1 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-scalar-evolution.c (resolve_mixers): Exported.
4 * tree-scalar-evolution.h (resolve_mixers): Declare.
5 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
6 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
8 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
9 init_array_ref, init_pointer_ref, analyze_indirect_ref,
10 strip_conversion, analyze_offset_expr, address_analysis,
11 object_analysis, analyze_offset): Removed.
12 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
13 split_constant_offset, canonicalize_base_object_address,
14 object_address_invariant_in_loop_p, disjoint_objects_p,
15 dr_may_alias_p, dr_address_invariant_p): New functions.
16 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
18 (initialize_data_dependence_relation): Use dr_may_alias_p
19 and object_address_invariant_in_loop_p.
20 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
22 (find_data_references_in_stmt): Restrict the analysis of data references
23 to the given loop nest.
24 (find_data_references_in_loop): Made static. Pass loop nest to
25 find_data_references_in_stmt.
26 (compute_data_dependences_for_loop): Use DR_VOPS.
27 (free_data_ref): Free DR_VOPS.
28 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
29 (struct innermost_loop_behavior): ... new.
30 (struct base_object_info): Replaced by ...
31 (struct indices): ... new.
32 (struct dr_alias): New.
33 (enum data_ref_type): Removed.
34 (struct data_reference): Consist of struct innermost_loop_behavior,
35 struct indices and struct dr_alias.
36 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
37 (DR_MEMTAG): Renamed to ...
38 (DR_SYMBOL_TAG): ... this.
39 (find_data_references_in_loop): Declaration removed.
40 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
41 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
42 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
43 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
45 2007-05-13 Revital Eres <eres@il.ibm.com>
47 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
48 which walks virtual def-use chains to find redundant stores.
49 (dse_optimize_stmt): Call it.
51 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
53 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
54 * passes.c (init_optimization_passes): Move pass_jump_bypass
57 * basic-block.h (bb_has_eh_pred): Fix style issue.
59 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
61 PR rtl-optimization/31848
62 * loop-invariant.c (move_invariant_reg): If we move an insn
63 with a REG_EQUAL note, and that insn is not always executed,
64 remove the REG_EQUAL note.
66 2007-05-12 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/31797
69 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
70 propagate into a stmt that has volatile ops.
72 2007-05-12 Richard Sandiford <richard@codesourcery.com>
74 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
75 (gcc_tooldir): Likewise.
76 * configure: Regenerate.
77 * Makefile.in (libsubdir_to_prefix): New variable, based on the
78 old configure.ac gcc_tooldir setting.
79 (prefix_to_exec_prefix): New variable.
80 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
81 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
83 2007-05-11 Silvius Rus <rus@google.com>
85 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
86 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
87 * c-common.h (strict_aliasing_warning): Change return type.
88 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
89 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
90 (build_c_cast): Condition call to strict_aliasing_warning.
91 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
92 * flags.h (set_Wstrict_aliasing): Declare.
93 * opts.c (set_Wstrict_alising): Define, add call to.
94 * tree-flow.h (strict_aliasing_warning_backend): Declare.
95 * tree-ssa-alias-warnings.c: New file.
96 * tree-ssa-alias.c (compute_may_aliases): Add call to
97 strict_aliasing_warning_backend.
99 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
101 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
102 Use loop_depth and loop_outer accessor functions.
103 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
104 determine_invariantness_stmt, move_computations_stmt): Ditto.
105 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
106 add_loop, loopify, unloop, fix_loop_structure): Ditto.
107 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
108 * tree-scalar-evolution.c (interpret_loop_phi,
109 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
110 instantiate_parameters_1, scev_const_prop): Ditto.
111 * cfghooks.c (make_forwarder_block): Ditto.
112 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
113 * modulo-sched.c (loop_canon_p): Ditto.
114 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
115 slpeel_can_duplicate_loop_p): Ditto.
116 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
117 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
118 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
119 cancel_loop, verify_loop_structure): Ditto.
120 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
121 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
122 superloops vector instead of "pred" array.
123 (establish_preds): Take father loop as an argument. Initialize the
125 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
126 initialize loop->outer.
127 (flow_loop_tree_node_remove): Truncate the superloops vector.
128 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
129 "pred" merged to "superloops" vector.
130 (loop_depth, loop_outer): New.
131 (fel_init): Use loop_outer.
133 2007-05-11 Jan Hubicka <jh@suse.cz>
135 * cgraphunit.c: Include gt-cgraphunit.h
136 (static_ctors, static_dtors): New static vars.
137 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
138 based on implementation in c-common.c
139 (cgraph_finalize_function): Call record_cdtor_fn.
140 (cgraph_optimize): Call cgraph_build_cdtor_fns.
141 * decl.c (finish_function): Do not call c_record_cdtor_fn.
142 (c_write_global_declarations): Do not call c_build_cdtor_fns.
143 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
144 build_cdtor, c_build_cdtor_fns): Remove.
145 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
146 c_build_cdtor_fns): Remove prototype.
148 2007-05-11 Paolo Carlini <pcarlini@suse.de>
151 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
152 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
153 * builtins.c (fold_builtin_memchr): New.
154 (expand_builtin_memchr): Call the latter.
155 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
156 * doc/extend.texi ([Other built-in functions provided by GCC]):
159 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
161 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
162 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
163 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
164 PFPO_OP1_TYPE_SHIFT): Constants added.
165 (DFP_ALL): Mode macro defined.
166 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
167 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
168 Insn definitions added.
169 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
170 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
173 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
175 PR tree-optimization/31885
176 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
178 (automatically_generated_chrec_p): Return false for NULL.
180 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
182 * config/bfin/bfin.h (MOVE_RATIO): Define.
184 2007-05-10 Richard Sandiford <richard@codesourcery.com>
186 * config.gcc (sparc-wrs-vxworks): New target.
187 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
188 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
189 * config/sparc/sparc.h: Include vxworks-dummy.h.
190 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
191 include LABEL_REFs too.
192 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
193 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
195 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
197 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
198 (sparc_emit_call_insn): New function.
199 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
200 functions when generating VxWorks PIC.
201 * config/sparc/sparc.md (vxworks_load_got): New pattern.
202 (call, call_value): Use sparc_emit_call_insn instead of
205 2007-05-09 Bob Wilson <bob.wilson@acm.org>
207 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
209 2007-05-09 Bob Wilson <bob.wilson@acm.org>
211 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
212 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
213 instead of operand_subword.
215 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
217 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
218 * config/bfin/bfin.c (bfin_local_alignment): New function.
219 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
221 2007-05-08 Chao-ying Fu <fu@mips.com>
223 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
224 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
225 (smsub_widen_optab, umsub_widen_optab): Define.
226 * optabs.c (init_optabs): Initialize smsub_widen_optab and
228 * genopinit.c (optabs): Fill in smsub_widen_optab and
230 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
231 and umsub_widen_optab to implement multiply-subtract sequences.
232 * config/mips/mips.md (*msac<u>_di): Rename to...
233 (<u>msubsidi4): ...this. Extend condition to include
234 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
235 of operand 0 to "ka" and use the three-operand form of msub<u>
237 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
240 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
242 PR rtl-optimization/28011
243 * reload.c (push_reload): Set dont_share if IN appears in OUT
244 also when IN is a PLUS rtx.
245 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
248 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
250 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
251 call unshare_all_decls.
252 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
253 (unshare_all_decls): Remove.
255 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
258 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
261 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
262 Nigel Stephens <nigel@mips.com>
264 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
265 Update comments and all uses.
266 (MIN_FPRS_PER_FMT): Define.
267 * config/mips/mips.c (function_arg): Fix to correctly handle
268 the -mips32r2 -mfp64 -mabi=32 case.
269 (override_options): Enable use of odd-numbered registers for
270 SFmode values on MIPS32.
271 (mips_save_reg_p): Save whole floating-point register pair if
273 (compute_frame_size): Fix comment.
275 2007-05-08 Jie Zhang <jie.zhang@analog.com>
277 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
278 argument of type bool.
279 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
280 argument. Safely select temporary P register according to it.
281 (do_link): Change call site of add_to_reg accordingly.
282 (do_unlink): Add epilogue_p as a fourth argument and pass it
284 (expand_interrupt_handler_epilogue): Change call of do_unlink
286 (bfin_expand_prologue): Add a third argument sibcall_p.
287 * config/bfin/bfin.md (epilogue): Change call of
288 bfin_expand_epilogue accordingly.
289 (sibcall_epilogue): Likewise.
290 (eh_return_internal): Likewise.
292 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
293 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
294 * config/bfin/bfin.c (bfin_handle_option): Handle
295 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
296 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
297 Support bf534, bf536 and bf561.
298 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
300 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
303 * config/i386/i386.c (ix86_function_regparm): Process local
304 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
306 2007-05-07 Mike Stump <mrs@apple.com>
308 * doc/invoke.texi (Warning Options): Document that -Wempty-body
309 also checks for and while statements in C++.
311 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
313 * gcc.c (at_file_supplied): New variable.
314 (main): Set it if we expanded argv.
315 (do_spec_1): Pass an @-file to the linker if we were called with
316 an @-file argument and HAVE_GNU_LD.
317 * collect2.c (at_file_supplied): New variable.
318 (response_file): New variable.
319 (collect_exit): Unlink response_file if necessary.
322 (main): Set at_file_supplied if we expanded argv.
323 (collect_execute): Pass an @-file to subprocesses if we were called
324 with an @-file argument.
325 * configure.ac: Add define for HAVE_GNU_LD.
326 * configure: Regenerate.
327 * config.in: Regenerate.
329 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
331 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
337 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
339 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
340 (TARGET_ENCODE_SECTION_INFO): Re-define.
341 (m32c_encode_section_info): New
342 (function_vector_handler): New
343 (current_function_special_page_vector): New
344 (m32c_special_page_vector_p): New.
345 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
347 * config/m32c/jump.md: Added instruction JSRS for functions
348 with attribute "function_vector".
349 * doc/extend.texi (function_vector): Added description
350 for M16C, M32C targets.
352 2007-05-07 DJ Delorie <dj@redhat.com>
355 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
356 ashrpsi3, lshrpsi3): Update shift count constraint.
358 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
359 Nathan Froyd <froydnj@codesourcery.com>
362 * c-incpath.c (add_path): Strip trailing path separators.
364 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
366 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
367 Free dominance info before purging EH edges.
368 (eliminate_degenerate_phis): Likewise.
369 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
371 2007-05-07 Jan Hubicka <jh@suse.cz>
373 * gimplify.c (gimplify_expr): Do not crash when folding
376 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
379 * c-opts.c (lang_fortran): Make it non static.
380 * c-common.h (lang_fortran): New prototype.
381 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
382 -lang-fortran option was passed by the driver.
384 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
386 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
387 of ASSERT_CHECKING. Tweak message.
389 2007-05-06 Revital Eres <eres@il.ibm.com>
392 * loop-unroll.c (insert_var_expansion_initialization):
393 Initialize the expansions with -zero instead of +zero.
395 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
397 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
398 into pic and non-pic versions. Mark r19 as used for
399 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
400 for tgd_load, tld_load and tie_load .
401 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
402 version of tgd_load, tld_load and tie_load depending on the
405 2007-05-04 Ulrich Drepper <drepper@redhat.com>
406 Jakub Jelinek <jakub@redhat.com>
408 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
409 (__do_global_dtors_aux): Use more paranoid loop to run
410 destructors if HIDDEN_DTOR_LIST_END.
411 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
413 2007-05-04 Jakub Jelinek <jakub@redhat.com>
415 * varasm.c (align_variable): Don't increase alignment for
416 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
417 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
419 2007-05-04 Josh Conner <jconner@apple.com>
421 * basic-block.h (cdi_direction): Assign values to all enumeration
423 (dom_computed): Remove.
424 (dom_info_state): New.
425 (set_dom_info_availability): New.
426 * tree-ssa-loop-im.c (determine_invariantness): Initialize
427 walk_data.dom_direction.
428 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
429 instead of dom_computed[].
430 (split_edge): Likewise.
431 (create_basic_block): Likewise.
432 (merge_blocks): Likewise.
433 * ifcvt.c (find_if_header): Likewise.
434 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
435 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
436 * tree-ssa.c (verify_ssa): Likewise.
437 * tree-cfg.c (tree_verify_flow_info): Likewise.
438 (remove_edge_and_dominated_blocks): Likewise.
439 * dominance.c (dom_computed): Make static.
440 (calc_dfs_tree_nonrec): Change third param to a bool.
441 (calc_dfs_tree): Change second param to a bool.
442 (calc_idioms): Change second param to a bool. Use
443 dom_convert_dir_to_idx.
444 (init_dom_info): Validate dir before using.
445 (dom_convert_dir_to_idx): New.
446 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
447 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
448 (free_dominance_info): Use dom_convert_dir_to_idx.
449 (get_immediate_dominator): Likewise.
450 (set_immediate_dominator): Likewise.
451 (get_dominated_by): Likewise.
452 (redirect_immediate_dominators): Likewise.
453 (nearest_common_denominator): Likewise.
454 (dominated_by_p): Likewise.
455 (bb_dom_dfs_in): Likewise.
456 (bb_dom_dfs_out): Likewise.
457 (recount_dominator): Likewise.
458 (iterate_fix_dominators): Likewise.
459 (add_to_dominance_info): Likewise.
460 (delete_from_dominance_info): Likewise.
461 (first_dom_son): Likewise.
462 (next_dom_son): Likewise.
463 (dom_info_available_p): Likewise.
464 (dom_info_state): New.
465 (set_dom_info_availability): New.
467 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
469 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
471 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
473 2007-05-04 Bob Wilson <bob.wilson@acm.org>
475 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
476 (subdi3, subdi_carry): Delete.
478 2007-05-04 Jan Hubicka <jh@suse.cz>
479 Richard Guenther <rguenther@suse.de>
481 * opts.c (decode_options): Do not fiddle with inlining
482 parameters in case of optimizing for size.
483 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
485 (cgraph_decide_inlining_of_small_function): When optimizing for
486 size never inline functions increasing caller size.
487 (cgraph_early_inlining): Inline for size when optimizing for size.
489 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
491 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
492 logical operations piecewise.
493 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
494 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
495 subdi_sesidi_di): Delete.
496 (add_with_carry): Produce carry in CC instead of a DREG to shorten
497 the generated sequence. Allow three-reg add in constraints. Rewrite
498 the rtl expression for carry to avoid zero_extend of a constant.
499 (sub_with_carry): New pattern.
500 (adddi3, subdi3): Change into define_expand. For subtract, generate a
501 different sequence not involving jumps.
502 (notbi): Now a named pattern.
504 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
506 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
507 Add the note about a significant loss of accuracy of some
508 mathematical routines when these options are used.
510 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
512 * haifa-sched.c (rtx_vec_t): New typedef.
513 (contributes_to_priority_p): Extract piece of priority () into new
515 (priority): Use the function. Add assertion.
516 (rank_for_schedule, set_priorities): Add assertion to check that
517 insn's priority is initialized.
518 (clear_priorities, calc_priorities): Change signature. Make it update
519 all relevant insns. Update all callers ('add_to_speculative_block ()'
520 and 'create_block_check_twin ()').
521 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
522 Add new field 'priority_status'.
523 (INSN_PRIORITY_STATUS): New macro.
524 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
526 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
528 * sched-ebb.c (debug_ebb_dependencies): New static function.
529 (init_ready_list): Use it.
531 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
532 with changed signature and 'debug_rgn_dependencies ()'.
533 (debug_rgn_dependencies): New static function.
534 (init_ready_list): Use it.
536 * sched-int.h (debug_dependencies): Declare.
538 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
540 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
542 2007-05-04 Dirk Mueller <dmueller@suse.de>
544 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
546 2007-05-03 Jan Hubicka <jh@suse.cz>
548 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
549 for pointer type in more cases than before.
551 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
553 * tree-object-size.c (plus_expr_object_size): When operand size is
554 unknown, return unknown.
556 2007-05-03 Dirk Mueller <dmueller@suse.de>
558 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
560 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
563 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
565 2007-05-03 Janis Johnson <janis187@us.ibm.com>
567 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
569 2007-05-03 Joseph Myers <joseph@codesourcery.com>
571 * config/soft-fp/double.h, config/soft-fp/extended.h,
572 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
573 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
574 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
575 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
578 2007-05-03 Ian Lance Taylor <iant@google.com>
580 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
581 MASK_PPC_GFXOPT for 8540 or 8548.
583 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
585 * tree-vect-transform.c (vect_update_inits_of_drs): Use
586 vect_print_dump_info() to output debug information.
588 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
591 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
592 operands of size 2 when operand is not MEM_P.
594 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
596 PR tree-optimization/30565
597 * lambda-code.c (perfect_nestify): Fix updating of dominators.
599 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
601 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
602 (umulsi3_highpart): Use them.
603 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
604 for final accumulator to D regisster tranfser.
606 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
608 PR tree-optimization/31699
609 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
611 (vect_enhance_data_refs_alignment): Compute peel amount using
612 TYPE_VECTOR_SUBPARTS instead of vf.
613 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
615 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
618 * system.h: Remove inclusion of double-int.h
619 * tree.h: Include double-int.h
620 * gengtype.c: Likewise
621 * cfgloop.h: Likewise
622 * Makefile.in: Adjust dependencies on double-int.h
624 2007-05-02 Eric Christopher <echristo@apple.com>
626 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
627 -shared to -Zdynamiclib.
629 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
632 * c-common.c (strip_pointer_or_array_types): New function.
633 * c-common.h (strip_pointer_or_array_types): New function declaration.
635 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
637 PR tree-optimization/31771
638 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
640 2007-05-02 Paul Brook <paul@codesourcery.com>
642 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
644 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
647 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
650 2007-05-02 Nick Clifton <nickc@redhat.com>
652 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
654 2007-05-02 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/31146
657 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
658 argument, single_use_p. If we have a single use that is
659 a conversion to the definition rhs type, propagate that rhs.
660 (forward_propagate_addr_expr): Pass single_use_p argument
661 to forward_propagate_addr_expr_1.
663 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
665 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
668 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
670 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
671 'AMD Family 10 core'.
673 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
675 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
676 and athlon64-sse3 as improved versions of k8, opteron and athlon64
677 with SSE3 instruction set support.
678 * doc/invoke.texi: Likewise.
680 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
682 * config/i386/i386.c (override_options): Tuning 32-byte loop
683 alignment for amdfam10 architecture. Increasing the max loop
684 alignment to 24 bytes.
686 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
688 * config/m68k/constraints.md: New.
689 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
690 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
691 EXTRA_CONSTRAINT): Remove.
692 * config/m68k/m68k.md: Include constraints.md.
693 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
695 2007-05-01 Ian Lance Taylor <iant@google.com>
697 PR tree-optimization/31739
698 * tree-vrp.c (vrp_val_is_max): New static function.
699 (vrp_val_is_min): New static function.
700 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
702 (set_value_range): Use vrp_val_is_{max,min}.
703 (extract_range_from_assert): Likewise.
704 (extract_range_from_binary_expr): Likewise.
705 (extract_range_from_unary_expr): Likewise.
706 (dump_value_range, vrp_meet): Likewise.
707 (vrp_visit_phi_node): Likewise.
708 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
710 2007-05-01 Mark Mitchell <mark@codesourcery.com>
712 * config/i386/gmon-sol2.c (size_t): New type.
713 (intptr_t): Likewise.
714 (s_textsize): Declare as size_t.
716 (monstartup): Use size_t for sizes.
717 (_mcount): Save and restore registers.
718 (internal_mcount): Pass 0 as the first argument to monstartup
720 (moncontrol): Convert pointer to appropriately sized integer
721 before passing to profil.
723 2007-05-01 Joseph Myers <joseph@codesourcery.com>
725 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
726 __NO_FPRS__, not just if _SOFT_DOUBLE.
727 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
728 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
729 also for E500 double.
730 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
731 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
734 2007-05-01 Richard Guenther <rguenther@suse.de>
736 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
739 2007-05-01 Joseph Myers <joseph@codesourcery.com>
741 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
743 2007-05-01 Jan Hubicka <jh@suse.cz>
745 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
748 2007-05-01 Jan Hubicka <jh@suse.cz>
750 * tree.h (maybe_fold_offset_to_component_ref): Remove.
751 (maybe_fold_offset_to_reference): Declare.
752 * fold-const.c (fold_unary): Do not fold
753 (type *)&A into &A->field_of_type_and_offset_0
754 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
755 size is unknown, give up.
756 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
758 (maybe_fold_offset_to_reference): New.
759 (maybe_fold_stmt_indirect): Use it.
760 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
761 * gimplify.c (gimplify_conversion): Canonicalize conversions to
763 (gimplify_expr): Likewise for plus_expr.
765 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
767 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
768 bsi_after_labels. Always insert statements before bsi.
769 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
770 * predict.c (apply_return_prediction): Check for empty blocks.
771 * cfgexpand.c (lab_rtx_for_bb): New variable.
772 (label_rtx_for_bb): Do not create new tree labels.
773 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
774 (tree_expand_cfg): Initialize lab_rtx_for_bb.
775 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
777 (label_for_bb): Add field used.
778 (update_eh_label, main_block_label): Mark the label used.
779 (cleanup_dead_labels): Remove unused labels.
781 2007-05-01 Richard Guenther <rguenther@suse.de>
783 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
784 if it is not about to be set.
785 (get_value_range): Do not pre-allocate equiv bitmap.
786 (update_value_range): No need to clear equiv field.
787 (add_equivalence): Change prototype to get bitmap pointer.
788 Allocate bitmap here if it is not already.
789 (extract_range_from_assert): Do not allocate bitmap here.
790 Update callers to add_equivalence.
791 (extract_range_from_ssa_name): Likewise.
792 (get_vr_for_comparison): New static helper.
793 (compare_name_with_value): Handle NULL equiv bitmap by
794 peeling the first iteration of the comparison loop.
795 Use get_vr_for_comparison.
796 (compare_names): Handle NULL equiv bitmaps by using fake
797 ones. Use get_vr_for_comparison.
799 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
801 * double-int.c (mpz_set_double_int): Moved from
802 tree-ssa-loop-niter.c.
803 (mpz_get_double_int): Likewise; also, add option to wrap
804 out-of-range integers.
805 * double-int.h: New prototypes for above.
806 * tree.c (get_static_type_bounds): Moved from
807 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
808 TYPE_MAX_VALUE if they exist..
809 * tree.h: New prototype for above.
810 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
811 get_type_bounds calls.
812 (mpz_set_double_int): Move to double-int.c.
813 (get_type_bounds): Move to tree.c, rename to
814 get_static_type_bounds.
815 (mpz_to_double_int): Move to double-int.c, rename to
818 2007-04-30 Bob Wilson <bob.wilson@acm.org>
820 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
821 DIV0 exception can fall through to a normal return.
823 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
827 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
828 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
829 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
830 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
831 initialize align to silence bogus warning.
832 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
833 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
835 (struct sra_walk_fns): Remove use_all parameter from use.
836 (sra_hash_tree): Handle BIT_FIELD_REFs.
837 (sra_elt_hash): Don't hash bitfld blocks.
838 (sra_elt_eq): Skip them in parent compares as well. Handle
840 (sra_walk_expr): Don't maintain or pass down use_all_p.
841 (scan_use): Remove use_all parameter.
842 (scalarize_use): Likewise. Re-expand assignment to
843 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
844 output, and re-scalarize after output. Don't mark anything
846 (scalarize_ldst): Adjust.
847 (scalarize_walk_gimple_modify_statement): Likewise.
848 (build_element_name_1): Handle BIT_FIELD_REFs.
849 (instantiate_element): Don't warn for any element whose parent
851 (instantiate_missing_elements_1): Return the sra_elt.
852 (canon_type_for_field): New.
853 (try_instantiate_multiple_fields): New.
854 (instantiate_missing_elemnts): Use them.
855 (mark_no_warning): Removed.
856 (generate_one_element_ref): Handle BIT_FIELD_REFs.
857 (REPLDUP, sra_build_elt_assignment): New.
858 (generate_copy_inout): Use them.
859 (generate_element_copy): Likewise. Handle bitfld differences.
860 (generate_element_zero): Don't recurse for blocks. Use
861 sra_build_elt_assignment.
862 (generate_one_element_int): Take elt instead of var. Use
863 sra_build_elt_assignment.
864 (generate_element_init_1): Adjust.
865 (scalarize_use, scalarize_copy): Use REPLDUP.
866 (scalarize_ldst): Move assert before dereference.
867 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
869 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
872 * tree.c (reconstruct_complex_type): Reconstruct a reference
874 Also use the same mode for the pointer as the old pointer type.
876 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
878 * doc/trouble.texi (Interoperation): Remove note about Ultrix
881 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
883 PR rtl-optimization/31676
884 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
885 (df_refs_record): Call it.
887 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
889 * rtl.def (SS_ABS): New code.
890 * config/bfin/bfin.c (print_operand): New modifier 'v'.
891 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
892 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
893 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
894 (bfin_init_builtins): Define them.
895 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
896 (bfin_expand_builtin): ... and handle the others here.
897 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
898 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
899 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
900 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
901 operand is only HImode.
903 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
905 * regclass.c (scan_one_insn): Remove splitting of
908 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
909 Nigel Stephens <nigel@mips.com>
911 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
913 2007-04-28 Jan Hubicka <jh@suse.cz>
915 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
916 insn_locators_alloc instead of insn_locators_initialize;
917 call reset_block_changes.
918 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
919 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
920 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
921 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
922 * config/score/score.c (th_output_mi_thunk): Likewise.
923 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
924 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
925 tolerate uninitialized locator info.
928 * function.c (init_function_start): Don't init line number info.
929 (expand_function_end): Update.
930 (reset_block_changes, record_block_change, finalize_block_changes,
931 check_block_change, free_block_changes): Kill.
932 * function.h (reset_block_changes, record_block_change,
933 finalize_block_changes, check_block_change, free_block_changes): Remove
935 (struct function): Remove ib_boundaries_block.
936 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
937 Use curr_insn_locator to initialize locator.
938 (emit_line_note): Remove.
939 * cfgexpand.c (expand_gimple_cond_expr): Update.
940 (construct_exit_block): Likewise.
941 (tree_expand_cfg): Initialize/finalize locators.
942 * expr.c (expand_expr_real): Update.
943 * cfglayout.c (line_locators_locs, line_locators_lines,
944 file_locators_locs, file_locators_files): Remove.
945 (set_block_levels): Move to cfgexpand.c.
946 (insn_locators_initialize): Remove.
947 (pass_insn_locators_initialize): Remove.
948 (locations_locators_locs, locations_locators_vals): New static vars.
949 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
951 (insn_locators_alloc, insn_locators_finalize,
952 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
954 (locator_location): New.
955 (locator_line, locator_file): Rewrite.
956 * rtl.h (emit_line_note): Kill.
957 (insn_locators_alloc, insn_locators_finalize,
958 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
960 * tree-inline.c (initialize_cfun): Do not initialize
962 * passes.c (pass_insn_locators_initialize): Remove.
964 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
966 * tree-cfg.c (move_block_to_fn): Release bb from dominance
967 info. Update last_basic_block correctly.
969 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
972 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
973 register itself to hold the offset constant. Tell flow the use
974 of r4 and r5 when they are used.
976 2007-04-27 Richard Guenther <rguenther@suse.de>
978 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
979 if we simplified anything.
980 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
981 warnings until we did a simplification and the stmt was not
982 marked as TREE_NO_WARNING.
984 2007-04-27 Mike Stump <mrs@apple.com>
986 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
988 2007-04-27 Ian Lance Taylor <iant@google.com>
991 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
992 TYPE_MAX_VALUE exist, convert them to the new type.
994 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
996 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
997 if it claims to be available.
998 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1000 (perform_tree_ssa_dce): Always free postdominators.
1002 2007-04-27 Richard Henderson <rth@redhat.com>
1004 * config/alpha/predicates.md (aligned_memory_operand): Mark
1005 as define_special_predicate.
1006 (unaligned_memory_operand, normal_memory_operand): Likewise.
1007 (reg_or_unaligned_mem_operand): Remove.
1008 (any_memory_operand): Match the documentation and check for
1009 non-renumbered pseudos during reload.
1010 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1011 alpha_secondary_reload_class, update to new interface, make static.
1012 Handle CQImode like HImode. Remove FP subreg check.
1013 (alpha_expand_mov): Use replace_equiv_address.
1014 (alpha_expand_mov_nobwx): Use any_memory_operand.
1015 (TARGET_SECONDARY_RELOAD): New.
1016 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1017 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1018 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1019 * config/alpha/alpha.md: ... here.
1020 (RELOAD12, reloadmode): New.
1022 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1023 Don't handle the aligned case here.
1024 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1025 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1026 reload_inhi_help. Don't expect a scratch register.
1027 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1029 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1031 2007-04-27 Richard Guenther <rguenther@suse.de>
1033 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1035 2007-04-27 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/30965
1038 PR tree-optimization/30978
1039 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1040 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1041 (find_equivalent_equality_comparison): Likewise.
1042 (simplify_cond): Likewise.
1043 (get_prop_source_stmt): New helper.
1044 (get_prop_dest_stmt): Likewise.
1045 (can_propagate_from): Likewise.
1046 (remove_prop_source_from_use): Likewise.
1047 (combine_cond_expr_cond): Likewise.
1048 (forward_propagate_comparison): New function.
1049 (forward_propagate_into_cond): Rewrite to use fold for
1051 (tree_ssa_forward_propagate_single_use_vars): Call
1052 forward_propagate_comparison to propagate comparisons.
1054 2007-04-27 Richard Guenther <rguenther@suse.de>
1056 PR tree-optimization/31715
1057 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1058 sure to do computation on the offset in an appropriate
1061 2007-04-27 Richard Sandiford <richard@codesourcery.com>
1063 * reload.h (elimination_target_reg_p): Declare.
1064 * reload.c (find_reloads): Don't apply the reg_rtx move
1065 optimization if the SET_DEST satisfies elimination_target_reg_p.
1066 * reload1.c (elimination_target_reg_p): New function.
1067 (gen_reload): In the move/add2 fallback, make sure that op0
1068 does not overlap the destination register.
1070 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1072 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1073 transform only GIMPLE_MODIFY_STMTs.
1074 * tree-complex.c (expand_complex_operations_1): Ditto.
1075 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1076 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1077 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1079 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1080 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1081 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1082 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1083 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1084 slpeel_add_loop_guard): Ditto.
1085 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1086 * lambda-code.c (perfect_nestify): Ditto.
1087 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1088 before the first statement.
1089 * tree-optimize.c (execute_free_datastructures): Fix comments.
1090 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1091 * tree-flow.h (disband_implicit_edges): Declaration removed.
1092 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1094 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1096 (disband_implicit_edges, has_label_p): Removed.
1097 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1098 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1100 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1102 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1103 also for COND_EXPRs.
1104 * cfgexpand.c (label_rtx_for_bb): New function.
1105 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1106 Use label_rtx_for_bb to find the labels.
1107 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1108 last block. Detect fallthru edges.
1110 2007-04-26 Ian Lance Taylor <iant@google.com>
1113 * reload.c (find_reloads_subreg_address): If the address was valid
1114 in the original mode but not in the new mode, reload the whole
1117 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1119 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1120 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1121 (cleanup_control_expr_graph): Do not invalidate dominance info.
1122 Record altered blocks.
1123 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1124 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1125 cleanup_tree_cfg_bb): New functions.
1126 (remove_forwarder_block): Do not maintain the worklist of blocks.
1127 Record altered blocks.
1128 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1130 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
1131 delete_unreachable_blocks if dominators are not available.
1132 * tree-inline.c (optimize_inline_calls): Free dominance information
1134 * tree-flow.h (remove_edge_and_dominated_blocks,
1135 cfgcleanup_altered_bbs): Altered.
1136 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1138 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1140 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1141 do not invalidate dominators.
1143 2007-04-26 Anatoly Sokolov <aesok@post.ru>
1145 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1146 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1147 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1148 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1150 2007-04-26 Steve Ellcey <sje@cup.hp.com>
1152 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
1154 2007-04-26 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/31703
1157 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1158 the right type for the target of the bittest.
1160 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1162 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1163 ix86_sol10_return_in_memory.
1165 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1167 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1170 2007-04-26 Jakub Jelinek <jakub@redhat.com>
1173 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1175 PR tree-optimization/30558
1176 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1177 clear this_state.prev_try.
1179 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1180 Mark Mitchell <mark@codesourcery.com>
1182 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1183 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1184 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1186 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1189 * doc/invoke.texi (%:print-asm-header): Document.
1190 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1192 (static_spec_functions): Add print-asm-header.
1193 (main): Print a banner before the --target-help linker options.
1194 (print_asm_header_spec_function): New function.
1196 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
1199 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1200 (movsf_ie): Likewise.
1202 2007-04-25 Paolo Carlini <pcarlini@suse.de>
1204 * doc/extend.texi ([Type Traits]): Adjust per N2255.
1206 2007-04-25 Bob Wilson <bob.wilson@acm.org>
1208 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1210 (__umodsi3, __modsi3): Likewise.
1212 2007-04-25 Dirk Mueller <dmueller@suse.de>
1214 * c-typeck.c (build_compound_expr): Annotate warning()
1215 call with OPT_Wunused_value.
1216 * tree-ssa.c (warn_uninit): Annotate warning with
1218 * c-common.c (handle_sentinel_attribute): Annotate warning
1219 call with OPT_Wattributes.
1221 2007-04-25 Thiemo Seufer <ths@mips.com>
1223 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1225 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1226 on to the assembler. Improve handling of -mno-mips16. Add handling
1227 of -mno-mips3d, -mno-dsp, -mno-dspr2.
1228 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
1229 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1230 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1232 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
1235 * config/i386/winnt.c (i386_pe_file_end): Strip only
1236 USER_LABEL_PREFIX when writing export name.
1238 2007-04-25 Richard Sandiford <richard@codesourcery.com>
1240 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
1241 sh/elf.h, vx-common.h and vxworks.h.
1242 * config/sh/sh.h: Include config/vxworks-dummy.h.
1243 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1244 (OVERRIDE_OPTIONS): Use it.
1245 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1246 (vxworks_picreg): New pattern.
1247 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1248 VXWORKS_OS_CPP_BUILTINS.
1249 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1250 to their VXWORKS_* equivalents.
1251 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1252 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1253 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1254 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1255 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1256 -mrtp/-fPIC multilibs.
1257 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1258 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1259 (MULTILIB_OSDIRNAMES): Delete.
1261 2007-04-25 Anatoly Sokolov <aesok@post.ru>
1264 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1266 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
1268 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1269 rounding mode to be specified by the caller.
1270 (real_to_mpfr) Likewise.
1271 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1272 include new arguments.
1273 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1275 2007-04-24 Ian Lance Taylor <iant@google.com>
1277 PR tree-optimization/31605
1278 * tree-vrp.c (set_value_range): Check that min and max are not
1279 both overflow infinities.
1280 (set_value_range_to_value): New static function.
1281 (extract_range_from_binary_expr): Call set_value_range_to_value.
1282 (extract_range_from_cond_expr): Likewise.
1283 (extract_range_from_expr): Likewise.
1284 (extract_range_from_unary_expr): Likewise. Don't create a range
1285 which overflows on both sides.
1286 (vrp_meet): Check for a useless range.
1287 (vrp_visit_phi_node): If we see a constant which looks like an
1288 overflow infinity, turn off the TREE_OVERFLOW flag.
1290 2007-04-24 Ian Lance Taylor <iant@google.com>
1292 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1294 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
1297 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1298 diagnostic message is being built.
1299 * tree-pretty-print.c (dump_generic_node): Only write the
1300 formatted text into BUFFER's stream if we are not building a
1302 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1304 * Makefile.in (toplev.o): Depend on tree-pass.h.
1306 2007-04-24 Ian Lance Taylor <iant@google.com>
1308 PR tree-optimization/31602
1309 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1310 conditionals in the copied loop header.
1311 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1312 warnings if TREE_NO_WARNING is set.
1313 * doc/invoke.texi (Warning Options): Clarify that
1314 -Wstrict-overflow does not warn about loops.
1316 2007-04-24 Janis Johnson <janis187@us.ibm.com>
1318 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1319 expand on the comment about _Decimal128 arguments and check the
1320 integer result of the modulus operation; for 64-bit ELF ABI, ensure
1321 that _Decimal128 argument uses even/odd register pair.
1322 (function_arg): Ditto.
1324 2007-04-24 Hui-May Chang <hm.chang@apple.com>
1326 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1327 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1329 2007-04-24 Richard Guenther <rguenther@suse.de>
1330 Olga Golovanevsky <olga@il.ibm.com>
1332 * fold-const.c (multiple_of_p): Check for bottom
1335 2007-04-24 Richard Henderson <rth@redhat.com>
1337 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1338 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1339 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1340 looking for non-zero bits shifted out. Avoid a recursive call
1341 when constructing the scalar.
1342 (__floatundisf): Likewise.
1344 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
1346 * dwarf2out.c (field_byte_offset): Move the existing logic
1347 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1348 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1350 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1353 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1354 argument of 0 for memset.
1355 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1356 unsigned shift instead of the signed variant.
1358 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1360 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1361 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1362 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1363 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1364 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1365 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1366 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1367 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1368 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1369 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1370 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1371 "mul<mode>3", "div<mode>3"): Insn definitions added.
1372 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1373 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1374 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1375 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1376 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1377 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1378 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1379 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1380 TARGET_FLOAT_FORMAT): Macro definitions removed.
1381 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1382 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1383 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1384 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1385 (s390_gen_rtx_const_DI): Function removed.
1386 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1388 2007-04-24 Richard Sandiford <richard@codesourcery.com>
1390 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1391 over an external ffs function.
1393 2007-04-24 Chao-ying Fu <fu@mips.com>
1394 Richard Sandiford <richard@nildram.co.uk>
1396 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1397 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1398 (smadd_widen_optab, umadd_widen_optab): Define.
1399 * optabs.c (init_optabs): Initialize smadd_widen_optab and
1401 * genopinit.c (optabs): Fill in smadd_widen_optab and
1403 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1404 and umadd_widen_optab to implement multiply-add sequences.
1405 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1406 (<u>maddsidi4): ...this. Extend condition to include
1407 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
1408 of operand 0 to "ka" and use the three-operand form of madd<u>
1410 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1412 * config/mips/constraints.md (ka): New register constraint.
1414 2007-04-24 Jan Hubicka <j@suse.cz>
1418 2007-04-23 Jan Hubicka <jh@suse.cz>
1419 * function.c (init_function_start): Don't init line number info.
1420 (expand_function_end): Update.
1421 (reset_block_changes, record_block_change, finalize_block_changes,
1422 check_block_change, free_block_changes): Kill.
1423 * function.h (reset_block_changes, record_block_change,
1424 finalize_block_changes, check_block_change, free_block_changes): Remove
1426 (struct function): Remove ib_boundaries_block.
1427 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1428 Use curr_insn_locator to initialize locator.
1429 (emit_line_note): Remove.
1430 * cfgexpand.c (expand_gimple_cond_expr): Update.
1431 (construct_exit_block): Likewise.
1432 (tree_expand_cfg): Initialize/finalize locators.
1433 * expr.c (expand_expr_real): Update.
1434 * cfglayout.c (line_locators_locs, line_locators_lines,
1435 file_locators_locs, file_locators_files): Remove.
1436 (set_block_levels): Move to cfgexpand.c.
1437 (insn_locators_initialize): Remove.
1438 (pass_insn_locators_initialize): Remove.
1439 (locations_locators_locs, locations_locators_vals): New static vars.
1440 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1442 (insn_locators_alloc, insn_locators_finalize,
1443 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1445 (locator_location): New.
1446 (locator_line, locator_file): Rewrite.
1447 * rtl.h (emit_line_note): Kill.
1448 (insn_locators_alloc, insn_locators_finalize,
1449 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1451 * tree-inline.c (initialize_cfun): Do not initialize
1452 ib_boundaries_block.
1453 * passes.c (pass_insn_locators_initialize): Remove.
1455 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
1457 * doc/invoke.texi: Removed leading '-' from option index entries.
1459 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
1461 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1463 (create_phi_node): Use set_phi_nodes.
1464 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1465 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1466 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
1467 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1468 (bsi_start, bsi_last): Use bb_stmt_list.
1469 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1470 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1471 Traverse the statements using tsi iterator.
1472 * basic-block.h (struct basic_block_def): Fields stmt_list
1473 and phi_nodes moved to ...
1474 (struct tree_bb_info): ... new structure.
1475 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
1476 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1477 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
1478 (tree_verify_flow_info): Verify that il.tree is not set for
1479 entry and exit block.
1480 (tree_split_block): Use set_bb_stmt_list.
1482 2007-04-23 Mike Stump <mrs@apple.com>
1484 * config/i386/i386.c (ix86_tune_features
1485 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1488 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1490 * config/i386/i386.md (prefix_extra): New attribute.
1491 (length): Add prefix_extra.
1493 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1494 (sse2_movntv2di): Likewise.
1495 (sse2_cvtps2dq): Likewise.
1496 (sse2_cvtpd2pi): Likewise.
1497 (sse2_cvttpd2pi): Likewise.
1498 (*sse2_cvtpd2ps): Likewise.
1499 (*add<mode>3): Likewise.
1500 (sse2_ssadd<mode>3): Likewise.
1501 (sse2_usadd<mode>3): Likewise.
1502 (*sub<mode>3): Likewise.
1503 (sse2_sssub<mode>3): Likewise.
1504 (sse2_ussub<mode>3): Likewise.
1505 (*mulv8hi3): Likewise.
1506 (*smulv8hi3_highpart): Likewise.
1507 (*umulv8hi3_highpart): Likewise.
1508 (sse2_umulv2siv2di3): Likewise.
1509 (sse2_pmaddwd): Likewise.
1510 (ashr<mode>3): Likewise.
1511 (lshr<mode>3): Likewise.
1512 (ashl<mode>3): Likewise.
1513 (sse2_ashlti3): Likewise.
1514 (sse2_lshrti3): Likewise.
1515 (*umaxv16qi3): Likewise.
1516 (*smaxv8hi3): Likewise.
1517 (*uminv16qi3): Likewise.
1518 (*sminv8hi3): Likewise.
1519 (sse2_eq<mode>3): Likewise.
1520 (sse2_gt<mode>3): Likewise.
1521 (*and<mode>3): Likewise.
1522 (sse2_nand<mode>3): Likewise.
1523 (*ior<mode>3): Likewise.
1524 (*xor<mode>3): Likewise.
1525 (sse2_packsswb): Likewise.
1526 (sse2_packssdw): Likewise.
1527 (sse2_packuswb): Likewise.
1528 (sse2_punpckhbw): Likewise.
1529 (sse2_punpcklbw): Likewise.
1530 (sse2_punpckhwd): Likewise.
1531 (sse2_punpcklwd): Likewise.
1532 (sse2_punpckhdq): Likewise.
1533 (sse2_punpckldq): Likewise.
1534 (sse2_punpckhqdq): Likewise.
1535 (sse2_punpcklqdq): Likewise.
1536 (*sse2_pinsrw): Likewise.
1537 (*sse2_pextrw): Likewise.
1538 (sse2_pshufd_1): Likewise.
1539 (sse2_uavgv16qi3): Likewise.
1540 (sse2_uavgv8hi3): Likewise.
1541 (sse2_psadbw): Likewise.
1542 (sse2_pmovmskb): Likewise.
1543 (*sse2_maskmovdqu): Likewise.
1544 (*sse2_maskmovdqu_rex64): Likewise.
1545 (sse4a_extrqi): Likewise.
1546 (sse4a_extrq): Likewise.
1547 (sse3_lddqu): Set prefix_rep.
1548 (sse3_addsubv4sf3): Likewise.
1549 (sse3_haddv4sf3): Likewise.
1550 (sse3_hsubv4sf3): Likewise.
1551 (sse_cvtss2si): Likewise.
1552 (sse_cvtss2si_2): Likewise.
1553 (sse_cvtss2siq): Likewise.
1554 (sse_cvtss2siq_2): Likewise.
1555 (sse_cvttss2si): Likewise.
1556 (sse_cvttss2siq): Likewise.
1557 (sse2_cvttps2dq): Likewise.
1558 (sse3_movshdup): Likewise.
1559 (sse3_movsldup): Likewise.
1560 (sse2_cvtsd2si): Likewise.
1561 (sse2_cvtsd2si_2): Likewise.
1562 (sse2_cvtsd2siq): Likewise.
1563 (sse2_cvtsd2siq_2): Likewise.
1564 (sse2_cvttsd2si): Likewise.
1565 (sse2_cvttsd2siq): Likewise.
1566 (*sse2_cvtpd2dq): Likewise.
1567 (*sse2_cvttpd2dq): Likewise.
1568 (sse2_pshuflw_1): Likewise.
1569 (sse2_pshufhw_1): Likewise.
1570 (sse4a_insertqi): Likewise.
1571 (sse4a_insertq): Likewise.
1572 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1573 (ssse3_phadddv4si3): Likewise.
1574 (ssse3_phaddswv8hi3): Likewise.
1575 (ssse3_phsubwv8hi3): Likewise.
1576 (ssse3_phsubdv4si3): Likewise.
1577 (ssse3_phsubswv8hi3): Likewise.
1578 (ssse3_pmaddubswv8hi3): Likewise.
1579 (ssse3_pmulhrswv8hi3): Likewise.
1580 (ssse3_pshufbv16qi3): Likewise.
1581 (ssse3_psign<mode>3): Likewise.
1582 (ssse3_palignrti): Likewise.
1583 (abs<mode>2): Likewise.
1584 (ssse3_phaddwv4hi3): Set prefix_extra.
1585 (ssse3_phadddv2si3): Likewise.
1586 (ssse3_phaddswv4hi3): Likewise.
1587 (ssse3_phsubwv4hi3): Likewise.
1588 (ssse3_phsubdv2si3): Likewise.
1589 (ssse3_phsubswv4hi3): Likewise.
1590 (ssse3_pmaddubswv4hi3): Likewise.
1591 (ssse3_pmulhrswv4hi3): Likewise.
1592 (ssse3_pshufbv8qi3): Likewise.
1593 (ssse3_psign<mode>3): Likewise.
1594 (ssse3_palignrdi): Likewise.
1595 (abs<mode>2): Likewise.
1596 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1597 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1598 (sse2_pmovmskb): Set mode to SI instead of V2DF.
1600 2007-04-23 Nick Clifton <nickc@redhat.com>
1602 * params.def: Fix formatting of emacs local variables.
1604 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1606 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1607 move if inter-unit move isn't allowed.
1608 Don't split moving the first element of V2DI to DI to inter-unit
1609 move if inter-unit move isn't allowed.
1611 2007-04-23 Richard Guenther <rguenther@suse.de>
1613 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1614 and CDI_POST_DOMINATORS separately.
1616 2007-04-23 Nick Clifton <nickc@redhat.com>
1618 * c.opt (Wformat-contains-nul): Add warning attribute.
1620 2007-04-23 Jan Hubicka <jh@suse.cz>
1622 * function.c (init_function_start): Don't init line number info.
1623 (expand_function_end): Update.
1624 (reset_block_changes, record_block_change, finalize_block_changes,
1625 check_block_change, free_block_changes): Kill.
1626 * function.h (reset_block_changes, record_block_change,
1627 finalize_block_changes, check_block_change, free_block_changes): Remove
1629 (struct function): Remove ib_boundaries_block.
1630 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1631 Use curr_insn_locator to initialize locator.
1632 (emit_line_note): Remove.
1633 * cfgexpand.c (expand_gimple_cond_expr): Update.
1634 (construct_exit_block): Likewise.
1635 (tree_expand_cfg): Initialize/finalize locators.
1636 * expr.c (expand_expr_real): Update.
1637 * cfglayout.c (line_locators_locs, line_locators_lines,
1638 file_locators_locs, file_locators_files): Remove.
1639 (set_block_levels): Move to cfgexpand.c.
1640 (insn_locators_initialize): Remove.
1641 (pass_insn_locators_initialize): Remove.
1642 (locations_locators_locs, locations_locators_vals): New static vars.
1643 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1645 (insn_locators_alloc, insn_locators_finalize,
1646 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1648 (locator_location): New.
1649 (locator_line, locator_file): Rewrite.
1650 * rtl.h (emit_line_note): Kill.
1651 (insn_locators_alloc, insn_locators_finalize,
1652 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1654 * tree-inline.c (initialize_cfun): Do not initialize
1655 ib_boundaries_block.
1656 * passes.c (pass_insn_locators_initialize): Remove.
1658 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
1661 * expr.c (reduce_to_bit_field_precision): Handle
1664 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
1666 PR tree-optimization/24659
1667 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1668 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1669 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1670 * genopinit.c (optabs): Rename vec_pack_mod_optab
1671 to vec_pack_trunc_optab.
1672 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1673 early for scalar floating point operands for NOP_EXPR.
1674 (vectorizable_type_promotion): Ditto.
1675 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1676 vec_pack_trunc_optab.
1677 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1679 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1680 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1681 Rename from VEC_PACK_MOD_EXPR.
1682 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1683 * expr.c (expand_expr_real_1): Ditto.
1684 * tree-inline.c (estimate_num_insns_1): Ditto.
1685 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1687 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1688 (vec_unpacks_lo_v4sf): Ditto.
1689 (vec_pack_trunc_v2df): Ditto.
1690 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1691 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1692 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1694 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1696 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1698 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1699 Rename from VEC_PACK_MOD_EXPR. This expression also represent
1700 packing of floating point operands.
1701 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1702 represent unpacking of floating point operands.
1703 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1704 [vec_unpacks_hi]: Ditto.
1705 [vec_unpacks_lo]: Ditto.
1707 2007-04-22 Jan Hubicka <jh@suse.cz>
1709 * final.c (rest_of_handle_final): Call
1710 targetm.asm_out.constructor/targetm.asm_out.destructor
1711 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1712 proper priority via decl_*_priority_insert.
1713 * c-common.c (c_expand_body): Likewise.
1715 2007-04-22 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/29789
1718 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1719 (rewrite_reciprocal): New helper split out from
1720 determine_invariantness_stmt.
1721 (rewrite_bittest): Likewise.
1722 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1723 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1726 2007-04-22 Revital Eres <eres@il.ibm.com>
1728 * loop-unroll.c (var_to_expand): New field to support also
1729 insns of the form x = something + x.
1730 (analyze_insn_to_expand_var): Use it.
1731 (expand_var_during_unrolling): Likewise.
1733 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1735 * predict.c: Include pointer-set.h.
1736 (bb_predictions): New variable.
1737 (tree_predicted_by_p, tree_predict_edge,
1738 remove_predictions_associated_with_edge): Use bb_predictions map
1739 instead of bb->predictions.
1740 (clear_bb_predictions, assert_is_empty): New functions.
1741 (combine_predictions_for_bb): Use bb_predictions map. Call
1742 clear_bb_predictions.
1743 (tree_estimate_probability): Create and free bb_predictions map.
1744 * Makefile.in (predict.o): Add pointer-set.h dependency.
1745 * basic-block.h (struct basic_block_def): Remove predictions
1747 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1749 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
1752 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1755 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1757 * timevar.c (timevar_print): Change reference of --disable-checking to
1758 --enable-checking=release. Also warn if assert checking is disabled.
1760 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1763 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1764 decl as addressable if the compound literal was marked as
1766 Mark the decl as a gimple register if it is a complex or
1767 vector decl and does not live in memory.
1769 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1771 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1772 (GENERIC_NEXT): New function macro.
1773 (PHI_CHAIN): Use phi_node's new chain variable.
1774 (tree_phi_node): Change tree_common to tree_base
1775 and add the chain field.
1776 * tree-phinodes.c (make_phi_node): Don't set
1777 TREE_TYPE on the new node.
1778 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1779 instead of checking GIMPLE_TUPLE_P in chain_next.
1780 * tree-vect-transform.c
1781 (get_initial_def_for_induction): Look at
1782 PHI_RESULT_TREE for the type of the phi node.
1783 (update_vuses_to_preheader): Use PHI_CHAIN
1784 instead of TREE_CHAIN on the phi node.
1785 * tree-ssa-structalias.c (compute_points_to_sets):
1787 (ipa_pta_execute): Likewise.
1789 2007-04-21 Richard Guenther <rguenther@suse.de>
1792 * fold-const.c (fold_unary): Call fold_convert_const on the
1795 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
1797 * gcse.c (store_killed_in_insn): Handle PARALLELs.
1798 (store_killed_in_pat): New.
1800 2007-04-20 Richard Henderson <rth@redhat.com>
1803 * config/i386/i386.c (type_has_variadic_args_p): Look for any
1804 TREE_LIST with a void_type_node value, not void_list_node exactly.
1806 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
1808 * doc/standards.texi: Re-arrange into language-specific
1809 subsections. Add a C++ section, documenting which standards we
1812 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1814 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1815 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1817 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
1819 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1820 ecrti.o and crtbegin.o.
1821 (LIB_DEFAULT_SPEC): Include -lc.
1822 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1824 2007-04-20 Richard Henderson <rth@redhat.com>
1827 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1828 argument; update all callers.
1829 (get_unaligned_offset): New.
1830 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1831 get_unaligned_address, just pass on the address directly.
1832 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1833 the subreg in the helper patterns.
1834 (unaligned_extendqidi_le): Use get_unaligned_offset.
1835 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1836 (unaligned_extendhidi_be): Likewise.
1837 (unaligned_extendhidi): Tidy.
1838 * config/alpha/alpha-protos.h: Update.
1840 2007-04-20 Richard Henderson <rth@redhat.com>
1842 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1843 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1844 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1845 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1846 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1847 (CPP_SPEC): Don't include %(cpp_subtarget).
1848 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1849 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1850 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1852 2007-04-20 Jakub Jelinek <jakub@redhat.com>
1854 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1855 for __builtin_ia32_cmpordss.
1857 PR tree-optimization/31632
1858 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1859 and arg1 for optimizations of comparison against min/max values.
1860 Fold arg0 to arg1's type for optimizations of comparison against
1861 min+1 and max-1 values.
1863 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
1865 * reload.c (combine_reloads): When trying to use a dying register,
1866 check whether it's uninitialized and don't use if so.
1868 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
1870 * fold-const.c: Remove prototypes for native_encode_expr and
1871 native_interpret_expr.
1872 (native_encode_expr): Make non-static.
1873 (native_interpret_expr): Likewise.
1874 * tree.h: Add prototypes for the above.
1876 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1878 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1879 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1880 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1881 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1882 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1883 Add length attributes.
1885 2007-04-19 Janis Johnson <janis187@us.ibm.com>
1887 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1890 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1891 __STDC_WANT_DEC_FP__.
1893 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1895 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1896 for long double compatibility.
1897 * configure: Regenerate.
1899 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1901 PR rtl-optimization/29841
1902 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1904 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1905 that may cause control flow transfer from being moved.
1907 2007-04-18 Jan Hubicka <jh@suse.cz>
1909 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1912 2007-04-18 Eric Christopher <echristo@apple.com>
1914 * config/rs6000/darwin.md (load_macho_picbase): Use link register
1915 only. Update operands.
1916 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1917 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1918 link register to pic register.
1920 2007-04-18 Dirk Mueller <dmueller@suse.de>
1923 * tree-vrp.c (search_for_addr_array): New.
1924 (check_array_bounds): Suppress warning about
1925 address taken of array refs if its not de-referenced.
1927 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1929 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1930 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1932 * tree-vectorizer.h (NITERS_KNOWN_P): New.
1933 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1934 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1936 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1938 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
1940 (vect_analyze_scalar_cycles): Fix indentation.
1941 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1942 (vect_mark_relevant): Include phis in relevance analysis.
1944 * tree-vect-transform.c (vect_transform_loop): Add an assert.
1946 2007-04-18 Anatoly Sokolov <aesok@post.ru>
1948 * config/avr/avr.c (ptrreg_to_str): Replace error() with
1949 output_operand_lossage().
1951 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1953 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1954 the unused code for reduction without adjust-in-epilog to simplify the
1957 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
1959 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1960 (S390_TDC_NEGATIVE_ZERO): New constant.
1961 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1962 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1963 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1964 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1965 (S390_TDC_POSITIVE_INFINITY): New constant.
1966 (S390_TDC_NEGATIVE_INFINITY): New constant.
1967 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1968 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1969 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1970 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1971 (S390_TDC_INFINITY): New constant.
1972 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1973 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1974 optimization for UNSPEC_CCZ_TO_INT.
1975 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1976 ("*ccz_to_int"): New insn.
1977 ("isinf<mode>2"): New insn.
1978 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1979 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1980 (UNSPEC_CCZ_TO_INT): New constant.
1982 2007-04-18 Richard Guenther <rguenther@suse.de>
1984 PR tree-optimization/19431
1985 PR tree-optimization/21463
1986 * tree-pass.h (pass_phiprop): Declare.
1987 * passes.c (init_optimization_passes): New phiprop pass.
1988 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1989 (phivn_valid_p): New helper function.
1990 (phiprop_insert_phi): Likewise.
1991 (propagate_with_phi): Likewise.
1992 (tree_ssa_phiprop): New propagator propagating loads
1993 through phi nodes if profitable.
1995 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1997 * tree-vect-analyze.c (process_use): New function.
1998 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1999 Check phis in all bbs.
2000 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2003 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
2005 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2008 2007-04-17 Anatoly Sokolov <aesok@post.ru>
2011 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2014 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
2016 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2018 (sse_vmmulv4sf3): Likewise.
2019 (sse2_vmaddv2df3): Likewise.
2020 (sse2_vmmulv2df3): Likewise.
2022 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
2024 PR rtl-optimization/31360
2025 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2026 (target_reg_cost): New.
2027 (init_set_costs): Initialize target_reg_cost. Add comments
2028 regarding the rationale of the costs.
2029 (global_cost_for_size): Renamed to...
2030 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
2031 of register pressure.
2032 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2033 estimate_reg_pressure_cost. Add number of ivs.
2034 (determine_set_costs): Dump target_reg_cost.
2035 * loop-invariant.c (gain_for_invariant): Use
2036 estimate_reg_pressure_cost. Removed n_inv_uses argument.
2037 (best_gain_for_invariant, find_invariants_to_move): Remove
2039 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2040 (target_reg_cost): Declare.
2041 (global_cost_for_size): Declaration removed.
2042 (estimate_reg_pressure_cost): Declare.
2044 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
2046 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2047 regnos into even/odd register pairs.
2048 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2049 TDmode similar to the other floating point modes.
2050 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2051 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2053 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2054 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2055 (movdd_hardfloat64): Use TARGET_MFPGPR.
2057 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
2059 * reload1.c (delete_output_reload): Don't count output in n_inherited.
2062 2005-01-05 Richard Henderson <rth@redhat.com>
2064 * reload1.c (do_input_reload): Restrict the optimization deleteing
2065 a previous output reload to RELOAD_FOR_INPUT.
2067 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
2069 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2070 induc_vec_info_type.
2071 (vectorizable_induction): New function declaration.
2072 * tree-vect-transform.c (get_initial_def_for_induction): No need to
2073 check if already vectorized. Find first place in BB where new stmts
2074 can be inserted. Takes only one argument.
2075 (vectorizable_induction): New function.
2076 (vect_transform_stmt): Add case for induc_vec_info_type to call
2077 vectorizable_induction.
2078 (vect_transform_loop): Consider phis for vectorization.
2079 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2081 (analyze_operations): Call vectorizable_induction when analyzing phis.
2083 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2084 (vect_mark_relevant): Include phis in relevance analysis.
2085 (vect_mark_stmts_to_be_vectorize): Likewise.
2086 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2088 2007-04-16 Lawrence Crowl <crowl@google.com>
2090 * doc/invoke.texi (Debugging Options): Add documentation for the
2091 -femit-struct-debug options -femit-struct-debug-baseonly,
2092 -femit-struct-debug-reduced, and
2093 -femit-struct-debug-detailed[=...].
2095 * c-opts.c (c_common_handle_option): Add
2096 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2097 and OPT_femit_struct_debug_detailed_.
2098 * c.opt: Add specifications for
2099 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2100 and -femit-struct-debug-detailed[=...].
2101 * opts.c (set_struct_debug_option): Parse the
2102 -femit-struct-debug-... options.
2103 * opts.c (matches_main_base, main_input_basename,
2104 main_input_baselength, base_of_path, matches_main_base): Add
2105 variables and functions to compare header base name to compilation
2107 * opts.c (should_emit_struct_debug): Add to determine to emit a
2108 structure based on the option.
2109 (dump_struct_debug) Also disabled function to debug this
2111 * opts.c (handle_options): Save the base name of the
2114 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2115 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2116 This hook indicates if a type is generic. Set it by default
2118 * langhooks.h (struct lang_hooks_for_types): Add a new hook
2119 to determine if a struct type is generic or not.
2120 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2121 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2122 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2125 * flags.h (enum debug_info_usage): Add an enumeration to describe
2126 a program's use of a structure type.
2127 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2128 to indicate the program's usage of the type. Filter structs based
2129 on the -femit-struct-debug-... specification.
2130 (gen_type_die): Split into two routines, gen_type_die and
2131 gen_type_die_with_usage. gen_type_die is now a wrapper
2132 that assumes direct usage.
2133 (gen_type_die_with_usage): Replace calls to gen_type_die
2134 with gen_type_die_with_usage adding the program usage of
2135 the referenced type.
2136 (dwarf2out_imported_module_or_decl): Suppress struct debug
2137 information using should_emit_struct_debug when appropriate.
2139 2007-04-16 Ian Lance Taylor <iant@google.com>
2141 PR tree-optimization/31522
2142 * tree-vrp.c (vr_phi_edge_counts): New static variable.
2143 (vrp_initialize): Allocate vr_phi_edge_counts.
2144 (vrp_visit_phi_node): Don't push to infinity if we saw a new
2145 executable edge. Drop test for all constants.
2146 (vrp_finalize): Free vrp_phi_edge_counts.
2148 * doc/cpp.texi (Common Predefined Macros): Clarify description of
2149 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2151 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2152 predecessors at head rather than tail.
2154 2007-04-16 Matthias Klose <doko@debian.org>
2156 * config/alpha/linux.h (CPP_SPEC): Define.
2157 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2159 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
2161 * function.h: Remove sequence_stack extern declaration.
2163 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2165 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2167 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2170 2007-04-16 Anatoly Sokolov <aesok@post.ru>
2172 * config/avr/avr.c (avr_arch_types): Rearranging array.
2173 (enum avr_arch): Add.
2174 (avr_mcu_types): Use avr_arch enumeration constants instead of
2176 * config/avr/avr.h (LINK_SPEC): Simplify.
2178 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2180 * config/m68k/m68k.c (m68k_libcall_value,
2181 m68k_function_value): Use macros for register names more.
2183 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2185 (M68K_REGNAME): Use A6_REG.
2186 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2188 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2191 * sched-int.h (struct deps): Split field 'pending_lists_length' into
2192 'pending_read_list_length' and 'pending_write_list_length'. Update
2194 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
2195 to handle two length counters instead of one. Update all uses.
2196 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2197 two length counters instead of one.
2198 * sched-rgn.c (propagate_deps): Update to handle two length counters
2201 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
2204 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2205 copy of source, pass it to ix86_expand_vector_set and return
2208 2007-04-16 David Ung <davidu@mips.com>
2209 Joseph Myers <joseph@codesourcery.com>
2211 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2212 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2213 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2214 Add 74K processor information.
2215 * config/mips/mips.md: Include 74k.md.
2216 (cpu): Add 74kc,74kf,74kx.
2217 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2218 * config/mips/74k.md: New.
2219 * doc/invoke.texi (MIPS Options): Document 74K support.
2221 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
2223 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2224 vectorizable_* functions.
2225 * tree-vect-transform.c (vectorizable_call): Add check for
2226 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2227 (vectorizable_store): likewise.
2228 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2230 (vectorizable_operation, vectorizable_type_demotion): Likewise.
2231 (vectorizable_type_promotion, vectorizable_load): Likewise.
2232 (vectorizable_live_operation, vectorizable_condition): Likewise.
2233 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2235 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2237 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2239 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2240 register numbers more.
2241 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2242 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2243 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2244 FUNCTION_VALUE_REGNO_P): Likewise.
2245 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2246 STATIC_CHAIN_REGNUM): Likewise.
2247 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2248 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2249 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2250 * config/m68k/m68k.md (FP_REG): New.
2252 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2254 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2257 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2259 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2260 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2263 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2265 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2268 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2271 * c-decl.c (finish_decl): Grab the type of the decl after the call
2272 to store_init_value.
2274 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
2276 * common.opt (fforward-propagate): Fix "Optimization" annotation.
2278 2007-04-14 Jakub Jelinek <jakub@redhat.com>
2281 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2282 post dominators and cleanup cfg before returning.
2284 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
2286 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2287 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2289 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
2291 * config.gcc: Recognize fido.
2292 * config/m68k/m68k-devices.def (fidoa): New.
2293 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2295 (FL_FIDOA, TARGET_FIDOA): New.
2296 * config/m68k/m68k.opt (mfidoa): New.
2298 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2301 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2302 when a personality function is used.
2304 2007-04-13 Bob Wilson <bob.wilson@acm.org>
2306 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2308 2007-04-13 Mike Stump <mrs@apple.com>
2310 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2312 * config/darwin.opt (fapple-kext): Make C++ only.
2313 * config/darwin.c (darwin_override_options): Remove code to ensure
2314 -fapple-kext is given for C++ only.
2316 2007-04-13 Richard Sandiford <richard@codesourcery.com>
2318 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2319 * config/mips/mips.c (override_options): Call
2320 SUBTARGET_OVERRIDE_OPTIONS, if defined.
2322 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2324 * config/i386/i386.opt (msvr3-shlib): Removed.
2326 * doc/invoke.texi: Remove -msvr3-shlib.
2328 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2330 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2331 with "popcnt" instruction.
2333 2007-04-13 Richard Guenther <rguenther@suse.de>
2335 PR tree-optimization/21258
2336 * tree-vrp.c (compare_case_labels): New helper.
2337 (find_switch_asserts): New function.
2338 (find_assert_locations): Call it for SWITCH_EXPRs.
2340 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
2342 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2343 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2344 check is now implied in X87_FLOAT_MODE_P.
2345 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2346 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2347 (fix_trunc<mode>_i386_fisttp): Ditto.
2348 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2349 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2350 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2351 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2352 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2353 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2354 (unnamed_splitters): Ditto.
2355 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2356 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
2357 FIRST_SSE_REG for local functions when SSE math is enabled or
2358 for functions with sseregparm attribute.
2359 (standard_80387_constant_p): Return -1 if mode is not
2361 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2362 (ix86_expand_compare): Ditto.
2363 (ix86_expand_carry_flag_compare): Ditto.
2364 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2365 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2366 DECIMAL_FLOAT_MODE_P.
2367 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2368 of SCALAR_FLOAT_MODE_P.
2369 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2370 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2371 checks before FLOAT_MODE_P.
2372 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2373 before FLOAT_MODE_P.
2378 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2380 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
2381 Charles Wilson <libtool@cwilson.fastmail.fm>
2383 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2384 (libgcc.mvars): Don't depend on them.
2385 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2386 * exec-tool.in: New.
2388 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
2390 * doc/invoke.text (--help): Document --help=common.
2392 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
2394 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2396 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2398 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2399 * genemit.c (main): Emit #include "integrate.h".
2400 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2401 (LOADGP_RTP): New mips_loadgp_style.
2402 * config/mips/mips.h: Include config/vxworks-dummy.h.
2403 (TARGET_RTP_PIC): New macro.
2404 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2405 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2406 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2408 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
2409 -mvxworks-pic when using -mrtp and a PIC option.
2410 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2412 (mips_symbolic_constant_p, mips_symbolic_address_p)
2413 (mips_symbol_insns): Handle SYMBOL_HALF.
2414 (override_options): Warn about -G and -mrtp being used together.
2415 Initialize mips_lo_relocs[SYMBOL_HALF].
2416 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2417 (mips_emit_loadgp): Handle LOADGP_RTP.
2418 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2419 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2420 (tablejump): Handle function-relative case table entries if
2422 * config/mips/predicates.md (symbol_ref_operand): New predicate.
2424 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2426 * config/mips/mips.md (load_call<mode>): Allow any general register.
2428 (sibcall_value_internal, sibcall_value_multiple_internal)
2429 (call_value_internal, call_value_split, call_value_multiple_internal)
2430 (call_value_multiple_split): Remove constraints from operand 0.
2432 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2434 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2435 rather than loadgp_noshared.
2436 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2437 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
2439 * config/mips/mips.md (loadgp): Rename to...
2440 (loadgp_newabi): ...this.
2441 (loadgp_noshared): Rename to...
2442 (loadgp_absolute): ...this.
2444 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2446 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2447 false for locally-binding symbols.
2448 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2450 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2452 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2453 (SYMBOL_GOT_PAGE_OFST): ...this.
2454 (SYMBOL_GOT_GLOBAL): Rename to...
2455 (SYMBOL_GOT_DISP): ...this.
2456 (SYMBOL_GOTOFF_GLOBAL): Rename to...
2457 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
2458 * config/mips/mips.c (mips_global_symbol_p): New function.
2459 (mips_symbol_binds_local_p): Likewise.
2460 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2461 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
2462 and mips_symbol_binds_local_p.
2463 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2464 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2465 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2467 (mips_ok_for_lazy_binding_p): New function.
2468 (mips_load_call_address, mips_expand_call): Use it.
2469 (mips_dangerous_for_la25_p): Likewise.
2470 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2471 (*got_disp<mode>): Use got_disp_operand instead of
2472 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
2473 SYMBOL_GOTOFF_GLOBAL.
2474 (*got_page<mode>): Use got_page_ofst_operand instead of
2476 * config/mips/predicates.md (const_call_insn_operand): Use
2477 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2478 (global_got_operand): Rename to...
2479 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2481 (local_got_operand): Rename to...
2482 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2483 of SYMBOL_GOT_LOCAL.
2485 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2487 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2488 TARGET_CALL_CLOBBERED_GP.
2489 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2490 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2491 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2492 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2493 of TARGET_ABICALLS && !TARGET_NEWABI.
2494 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2495 * config/mips/mips.c (mips_load_call_address): Check
2496 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2497 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2498 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2499 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2500 TARGET_ABICALLS && TARGET_NEWABI.
2501 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2503 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2504 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2505 TARGET_ABICALLS && TARGET_NEWABI.
2506 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2507 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
2508 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
2509 whether indirect calls must use $25.
2510 (mips_extra_live_on_entry): Check TARGET_GOT instead of
2512 * config/mips/mips.md (jal_macro): Check flag_pic and
2513 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2514 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2515 instead of TARGET_ABICALLS.
2516 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2517 TARGET_ABICALLS && TARGET_OLDABI.
2518 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2519 (sibcall): In the comment above the define_insn, mention
2520 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2521 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2522 instead of TARGET_ABICALLS.
2524 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
2526 * doc/md.texi (Blackfin family constraints): Document PA and PB.
2527 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2528 (MACFLAGS_MATCH_P): New macro.
2529 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2530 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2531 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
2532 the other MACFLAG constants.
2533 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2534 (flag_machi): Tighten constraints. Renumber some of the operands.
2535 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
2537 (flag_machi_parts_acconly): New pattern.
2538 (flag_macinithi): Tighten constraints. Allow any accumulator to be
2540 (flag_macinit1hi): Tighten constraints.
2541 (flag_mul_macv2hi_parts_acconly): New pattern.
2543 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2544 Use a more efficient implementation.
2545 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2546 inline sequences when not optimizing for size.
2548 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2549 movhi_high2low): Delete, merge functionality into...
2550 (packv2hi): ... this pattern.
2552 2007-02-11 Jie Zhang <jie.zhang@analog.com>
2553 * config/bfin/bfin.opt (msim): New option.
2554 (mcpu=): New option.
2555 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2556 (bfin_cpu_t): Typedef of enum bfin_cpu.
2557 (bfin_cpu_type): New declaration.
2558 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2559 -msim and -mcpu= options.
2560 (LIB_SPEC): Likewise.
2561 * config/bfin/bfin.c (bfin_cpu_type): Define.
2562 (bfin_handle_option): Handle -mcpu= option.
2563 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2564 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2565 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2567 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2569 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2570 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2571 (powerpc-wrs-vxworksae): Use ${tm_file}.
2572 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2573 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
2574 * config/i386/vx-common.h: New file.
2576 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2578 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2581 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
2583 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2586 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
2590 * c-common.c (c_build_qualified_type): Set canonical type
2593 2007-04-12 Richard Guenther <rguenther@suse.de>
2595 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2596 lower bound and element size if lower bound is not zero
2597 or either of the ARRAY_REF operands is set.
2599 2007-04-12 Richard Guenther <rguenther@suse.de>
2601 PR tree-optimization/24689
2602 PR tree-optimization/31307
2603 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2605 * gimplify.c (canonicalize_addr_expr): To be consistent with
2606 gimplify_compound_lval only set operands two and three of
2607 ARRAY_REFs if they are not gimple_min_invariant. This makes
2608 it never at this place.
2609 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2611 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2613 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2614 null before emitting a .nsubspa directive.
2616 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2618 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2619 need_to_partition_p if there are no memory statements in the
2622 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2624 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2625 (gcd_of_steps_may_divide_p): New function.
2626 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2628 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2630 * reload.c (find_reloads_toplev, find_reloads_address,
2631 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2632 not a pointer equality test, to decide if we need to call
2633 push_reg_equiv_alt_mem.
2635 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
2637 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2638 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2639 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2641 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2643 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2644 vector to be positive.
2646 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2650 * doc/invoke.texi: Document --params max-aliased-vops and
2652 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2653 debug_memory_partitions): Move to tree-flow.h
2654 * params.h (AVG_ALIASED_VOPS): Define.
2655 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
2657 (mp_info_t): Likewise.
2658 (get_mem_sym_stats_for): New.
2659 (set_memory_partition): Move from tree-flow-inline.h.
2660 (mark_non_addressable): Only clear the set of symbols for the
2661 partition if it exists.
2662 (dump_memory_partitions): Move from tree-ssa-operands.c
2663 (debug_memory_partitions): Likewise.
2664 (need_to_partition_p): New.
2665 (dump_mem_ref_stats): New.
2666 (debug_mem_ref_stats): New.
2667 (dump_mem_sym_stats): New.
2668 (debug_mem_sym_stats): New.
2669 (update_mem_sym_stats_from_stmt): New.
2670 (compare_mp_info_entries): New.
2671 (mp_info_cmp): Call it.
2672 (sort_mp_info): Change argument to a list of mem_sym_stats_t
2674 (get_mpt_for): Move from tree-ssa-operands.c.
2675 (find_partition_for): New.
2676 (create_partition_for): Remove.
2677 (estimate_vop_reduction): New.
2678 (update_reference_counts): New.
2679 (build_mp_info): New.
2680 (compute_memory_partitions): Refactor.
2681 Document new heuristic.
2682 Call build_mp_info, update_reference_counts,
2683 find_partition_for and estimate_vop_reduction.
2684 (compute_may_aliases): Populate virtual operands before
2685 calling debugging dumps.
2686 (delete_mem_sym_stats): New.
2687 (delete_mem_ref_stats): New.
2688 (init_mem_ref_stats): New.
2689 (init_alias_info): Call it.
2690 (maybe_create_global_var): Remove alias_info argument.
2691 Get number of call sites and number of pure/const call sites
2692 from gimple_mem_ref_stats().
2693 (dump_alias_info): Call dump_memory_partitions first.
2694 (dump_points_to_info_for): Show how many times a pointer has
2696 * opts.c (decode_options): For -O2 set --param
2697 max-aliased-vops to 500.
2698 For -O3 set --param max-aliased-vops to 1000 and --param
2699 avg-aliased-vops to 3.
2700 * fortran/options.c (gfc_init_options): Remove assignment to
2702 * tree-flow-inline.h (gimple_mem_ref_stats): New.
2703 * tree-dfa.c (dump_variable): Dump memory reference
2705 Dump NO_ALIAS* settings.
2706 (referenced_var_lookup): Tidy.
2707 (mem_sym_stats): New.
2708 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2709 and ORIG are different SSA names for a memory partition.
2710 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2711 * tree-flow.h (struct mem_sym_stats_d): Define.
2712 (mem_sym_stats_t): Define.
2713 (struct mem_ref_stats_d): Define.
2714 (struct gimple_df): Add field mem_ref_stats.
2715 (enum noalias_state): Define.
2716 (struct var_ann_d): Add bitfield noalias_state.
2717 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2718 debug_mem_ref_stats, debug_memory_partitions,
2719 debug_mem_sym_stats): Declare.
2720 * tree-ssa-structalias.c (update_alias_info): Update call
2721 sites, pure/const call sites and asm sites in structure
2722 returned by gimple_mem_ref_stats.
2723 Remove local variable IS_POTENTIAL_DEREF.
2724 Increase NUM_DEREFS if the memory expression is a potential
2726 Call update_mem_sym_stats_from_stmt.
2727 If the memory references memory, call
2728 update_mem_sym_stats_from_stmt for all the direct memory
2729 symbol references found.
2730 (intra_create_variable_infos): Set noalias_state field for
2731 pointer arguments according to the value of
2732 flag_argument_noalias.
2733 * tree-ssa-structalias.h (struct alias_info): Remove fields
2734 num_calls_found and num_pure_const_calls_found.
2735 (update_mem_sym_stats_from_stmt): Declare.
2736 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2737 Set default value to 100.
2738 (PARAM_AVG_ALIASED_VOPS): Define.
2740 2007-04-11 Richard Guenther <rguenther@suse.de>
2743 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2744 a * -b + c as c - a * b if we honor sign dependent rounding.
2746 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2748 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2750 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2751 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2753 (initialize_trampoline): Don't use old-style function definition.
2754 (bfin_secondary_reload): Mark IN_P argument as unused.
2756 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
2758 PR tree-optimization/31343
2759 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2760 (build_polynomial_chrec): Return a scalar when the evolution is zero.
2761 * testsuite/gcc.dg/vect/pr31343.c: New.
2763 2007-04-10 Eric Christopher <echristo@apple.com>
2765 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2766 * config/i386/i386.md (*cmpfp0): Use.
2767 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2768 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2769 (fix_trunc<mode>_i386_fisttp): Ditto.
2770 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2771 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2772 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2773 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2774 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2775 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2776 (unnamed_splitters): Ditto.
2777 * config/i386/i386.c (output_fix_trunc): Assert that
2778 we're not being passed a TFmode operand.
2780 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
2782 PR tree-optimization/31526
2783 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2784 n_basic_blocks to find newly added blocks.
2786 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
2788 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2790 (fix_trunc<mode>si_sse): Ditto.
2791 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2792 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2793 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2794 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2795 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2796 expander using SSEMODEF mode macro.
2797 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2798 expander using SSEMODEF mode macro.
2799 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2800 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2801 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2802 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2803 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2804 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2805 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2806 Macroize insn using X87MODEF mode macro.
2808 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
2810 * config/i386/sse.md (sse2_pinsrw): Removed.
2811 (sse2_pextrw): Renamed to ...
2812 (*sse2_pextrw): This.
2814 2007-04-09 Jan Hubicka <jh@suse.cz>
2817 * config/i386/sse.md
2818 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2819 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2820 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2821 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2823 2007-04-09 Jan Hubicka <jh@suse.cz>
2825 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2826 multiple fields of union.
2828 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
2830 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2831 (create_preheaders): Check that loops are available.
2832 (fix_loop_structure): Clean up, improve comments.
2833 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2834 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
2836 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2837 * predict.c (tree_estimate_probability): Do not call
2838 calculate_dominance_info. Call create_preheaders.
2839 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2840 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2842 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2843 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2844 * tree-cfg.c (tree_split_edge): Make an assert more precise.
2845 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2848 2007-04-08 Jan Hubicka <jh@suse.cz>
2850 * tree.h (maybe_fold_offset_to_component_ref): Declare.
2851 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2852 * fold-const.c (fold_unary): Use it.
2854 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
2856 * varasm.c (assemble_variable): Remove call to
2857 lang_hooks.decls.prepare_assemble_variable.
2858 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2859 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2860 * langhooks.h (lang_hooks_for_decls): Remove
2861 prepare_assemble_variable.
2863 2007-04-08 Mike Stump <mrs@apple.com>
2865 * config/i386/i386.c: Use inc/dec on Core2.
2867 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
2869 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2870 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2871 lhd_tree_inlining_end_inlining): Remove.
2872 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2873 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2875 * langhooks-def.h (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 prototypes.
2878 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2879 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2880 LANG_HOOKS_TREE_INLINING_START_INLINING,
2881 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2883 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2886 2007-04-08 Anatoly Sokolov <aesok@post.ru>
2889 * config/avr/predicates.md (io_address_operand): Delete predicate.
2890 (low_io_address_operand): Don't use 'mode' argument.
2891 (higth_io_address_operand): Rename ...
2892 (high_io_address_operand): ... to this. Don't use 'mode' argument.
2893 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2896 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
2898 Revert change removing staticp.
2900 2007-04-07 Anatoly Sokolov <aesok@post.ru>
2903 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2906 2007-04-07 Bruce Korb <bkorb@gnu.org>
2908 * c.opt: Add -Wformat-contains-nul.
2909 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
2911 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2912 the NUL byte warning.
2914 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
2916 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2918 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2920 * tree.c (staticp): No longer use staticp langhook.
2921 * langhooks.c (lhd_staticp): Removed.
2922 * langhooks.h (struct lang_hooks): Remove staticp.
2923 * c-common.c (c_staticp): Remove.
2924 * c-common.h (c_staticp): Ditto.
2925 * langhooks-defs.h (lhd_staticp): Ditto.
2926 (LHD_HOOKS_STATICP): Ditto
2927 * tree.h (gcc_assert_lowered): New macro.
2929 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2931 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2932 argument "reliable".
2933 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2934 Add argument "reliable". Propagate it through calls.
2935 (infer_loop_bounds_from_undefined): Derive number of iterations
2936 estimates from references in blocks that do not dominate loop latch.
2937 (gcov_type_to_double_int): New function.
2938 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2939 and expected_loop_iterations_unbounded.
2940 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2941 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2942 * tree-data-ref.c (estimated_loop_iterations): Export.
2943 (get_references_in_stmt): Fix -- do not return addresses of local
2945 * cfgloop.h (expected_loop_iterations_unbounded,
2946 estimated_loop_iterations): Declare.
2948 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
2950 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2952 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2954 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2955 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2956 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2957 Use output_387_reg_move().
2958 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2959 expander using X87MODEF12 mode macro.
2960 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2961 choosing register preferences. Use output_387_reg_move().
2962 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2963 instead of "x". Use output_387_reg_move().
2964 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2965 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
2966 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2967 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
2968 Use output_387_reg_move().
2969 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2971 (*truncxf?f_i387 splitter): Ditto.
2973 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2975 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2976 LANG_HOOKS_SAFE_FROM_P.
2977 * expr.c (safe_from_p): Remove langhook call.
2978 * langhooks.h (lang_hooks): Remove safe_from_p.
2979 (lhd_safe_from_p): Remove prototype.
2980 * langhooks.c (lhd_safe_from_p): Remove.
2982 2007-04-06 Jan Hubicka <jh@suse.cz>
2984 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2987 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2989 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2990 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2991 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2992 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2994 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2995 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2997 2007-04-05 Richard Henderson <rth@redhat.com>
2999 * config/alpha/alpha.c (print_operand) [+]: Remove.
3000 (alpha_end_function): Print nop if call at end of function.
3001 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3002 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3003 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3004 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3005 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3006 the call pattern. Update peepholes to match.
3008 2007-04-05 Janis Johnson <janis187@us.ibm.com>
3010 * doc/extend.texi (Other Builtins): Add decimal float variants
3012 * builtins.def: Ditto.
3013 * builtins.c (expand_builtin): Ditto.
3015 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
3016 H.J. Lu <hongjiu.lu@intel.com>
3019 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3020 of V8HImode when calling ix86_binary_operator_ok.
3021 (sse2_pmaddwd): Call ix86_binary_operator_ok.
3022 (sdot_prodv8hi): Operands 1 and 2 must be register.
3024 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3026 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3027 initialize align to silence bogus warning.
3029 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3032 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
3034 (struct sra_walk_fns): Remove use_all parameter from use.
3035 (sra_hash_tree): Handle BIT_FIELD_REFs.
3036 (sra_elt_hash): Don't hash bitfld blocks.
3037 (sra_elt_eq): Skip them in parent compares as well. Handle
3039 (sra_walk_expr): Don't maintain or pass down use_all_p.
3040 (scan_use): Remove use_all parameter.
3041 (scalarize_use): Likewise. Re-expand assignment to
3042 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
3043 output, and re-scalarize after output. Don't mark anything
3045 (scalarize_ldst): Adjust.
3046 (scalarize_walk_gimple_modify_statement): Likewise.
3047 (build_element_name_1): Handle BIT_FIELD_REFs.
3048 (instantiate_element): Don't warn for any element whose parent
3050 (instantiate_missing_elements_1): Return the sra_elt.
3051 (canon_type_for_field): New.
3052 (try_instantiate_multiple_fields): New.
3053 (instantiate_missing_elemnts): Use them.
3054 (mark_no_warning): Removed.
3055 (generate_one_element_ref): Handle BIT_FIELD_REFs.
3056 (REPLDUP, sra_build_elt_assignment): New.
3057 (generate_copy_inout): Use them.
3058 (generate_element_copy): Likewise. Handle bitfld differences.
3059 (generate_element_zero): Don't recurse for blocks. Use
3060 sra_build_elt_assignment.
3061 (generate_one_element_int): Take elt instead of var. Use
3062 sra_build_elt_assignment.
3063 (generate_element_init_1): Adjust.
3064 (scalarize_use, scalarize_copy): Use REPLDUP.
3065 (scalarize_ldst): Move assert before dereference.
3066 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3068 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3070 * regmove.c: Fix unused variable warnings due to previous commit.
3072 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3074 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3075 (regmove_bb_head): Remove.
3076 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3077 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3078 problems with fixup_match_1.
3079 Don't initialize/free regmove_bb_head.
3081 (reg_is_remote_constant_p): If an insn is in the same basic block
3082 but not before INSN, consider it remote, too.
3084 2007-04-05 Anatoly Sokolov <aesok@post.ru>
3087 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3088 DECL_ASSEMBLER_NAME, not the DECL_NAME.
3090 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
3092 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3093 (CONDITIONAL_REGISTER_USAGE): Likewise.
3095 2007-04-04 Richard Henderson <rth@redhat.com>
3097 * config/alpha/lib1funcs.asm: Remove unused file.
3099 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3102 * opts.c (print_specific_help): Fix --help=<language>
3104 (common_handle_option): Support --help=common.
3106 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3109 * gcc.c (main): Do not run the linker if
3110 print_subprocess_help indicates that it shouldn't be
3113 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3116 * doc/invoke.texi (--help=): Document <languages> value, fix
3117 formatting in tables of values.
3119 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
3121 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3122 dllimport attribute of virtual methods.
3124 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
3126 * config/score/crti.asm: Change _bss_start to __bss_start.
3127 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3128 (OUTGOING_REG_PARM_STACK_SPACE) update.
3129 * config/score/score.opt: add options to make backend support
3130 score5, score5u, score7 and score7d.
3131 * config/score/score.md: Likewise.
3132 * config/score/misc.md: Likewise.
3133 * config/score/mac.md: Likewise.
3134 * doc/invoke.texi: Likewise.
3135 * doc/md.texi: update constraints define.
3137 2007-04-03 Richard Henderson <rth@redhat.com>
3139 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3140 an appropriate type, use the mode instead.
3142 2007-04-03 Richard Sandiford <richard@codesourcery.com>
3144 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3145 Set the default --with-arch setting to mips2.
3146 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3147 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3148 (MULTILIB_OSDIRNAMES): Delete.
3149 (MULTILIB_DIRNAMES): Define.
3150 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3151 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3152 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3153 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
3154 VXWORKS_OS_CPP_BUILTINS.
3155 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3156 (MIPS_DEBUGGING_INFO): Undefine.
3157 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3159 2007-04-03 Jakub Jelinek <jakub@redhat.com>
3162 * fold-const.c (native_encode_real): Encode real.c provided longs
3163 as a series of 32-bit native integers.
3164 (native_interpret_real): Interpret buffer as a series of 32-bit
3167 2007-04-03 Richard Guenther <rguenther@suse.de>
3169 * genpreds.c (write_insn_constraint_len): Write function
3170 optimized for CONSTRAINT_LEN implementation.
3171 (write_tm_preds_h): Output insn_constraint_len inline and
3172 use it for CONSTRAINT_LEN.
3173 (write_insn_preds_c): Don't output insn_constraint_len.
3174 * doc/md.texi (define_register_constraint): Document multi-letter
3175 constraints shall have the same length if they start with the same
3178 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3181 * config/i386/i386.md (isinf<mode>2): Expand only when
3182 TARGET_C99_FUNCTIONS is set.
3184 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3186 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3187 (x86_64-*-linux*): Ditto.
3188 * config/i386/i386.opt (mpc): New option.
3189 * config/i386/i386.c (overrride_options): Handle
3190 ix87_precision_string.
3191 * config/i386/crtprec.c: New file.
3192 * config/i386/t-crtpc: Ditto.
3193 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3195 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3196 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3197 crtprec32.o, crtprec64.o and crtprec80.o.
3199 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3201 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3203 2007-04-02 Eric Christopher <echristo@apple.com>
3205 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3206 limitations on darwin.
3208 2007-04-02 Anatoly Sokolov <aesok@post.ru>
3211 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3213 2007-04-02 Dave Korn <dave.korn@artimi.com>
3215 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3217 2007-04-02 Dave Korn <dave.korn@artimi.com>
3219 * libgcc2.h (exception_descriptor): Don't forward-declare.
3220 (__get_eh_table_language, __get_eh_table_version): Delete
3221 prototypes of long-dead functions.
3223 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
3225 * ebitmap.h: New file
3226 * ebitmap.c: New file
3227 * Makefile.in (ebitmap.o): New target.
3229 2007-04-01 Jan Hubicka <jh@suse.cz>
3231 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3232 before very first instruction.
3234 2007-04-01 Jan Hubicka <jh@suse.cz>
3236 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3237 waring on 64bit hosts.
3238 * bitmap.h: Fix typo in bitmap_head_def.
3240 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
3242 PR rtl-optimization/31391
3243 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3244 into a DELETED_LABEL note, and the label is in an empty basic
3245 block, update BB_END as well as BB_HEAD.
3247 2007-04-01 Richard Henderson <rth@redhat.com>
3249 PR tree-optimization/31169
3250 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3251 to varying if the range is outside [0, prec-1].
3253 2007-04-01 Richard Sandiford <richard@codesourcery.com>
3256 * config/mips/mips.md (load_const_gp): New insn.
3257 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3258 the MIPS16 GP pseudo register if no_new_pseudos.
3259 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3261 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3264 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3266 (call_value): Likewise.
3268 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
3269 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3272 * doc/invoke.texi: (optimization options): Reword description
3273 of -ffast-math. Document its primary purpose.
3275 2007-03-31 Richard Guenther <rguenther@suse.de>
3277 * omp-low.c (splay-tree.h): Include.
3278 (lookup_decl): Replace splay-tree usage by pointer-map.
3279 (maybe_lookup_decl): Likewise.
3280 (new_omp_context): Likewise.
3281 (delete_omp_context): Likewise.
3282 * gimplify.c (splay-tree.h): Include.
3283 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3285 (remap_ssa_name): Likewise.
3286 (remap_decl): Likewise.
3287 (remap_type_1): Likewise.
3288 (remap_type): Likewise.
3289 (copy_body_r): Likewise.
3290 (expand_call_inline): Likewise.
3291 (clone_body): Likewise.
3292 (copy_tree_r): Likewise.
3293 (remap_save_expr): Likewise.
3294 (unsave_r): Likewise.
3295 (unsave_expr_now): Likewise.
3296 (tree_function_versioning): Likewise.
3297 (build_duplicate_type): Likewise.
3298 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3299 (struct copy_body_data): Replace splay-tree by pointer-map.
3300 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3301 not $(SPLAY_TREE_H).
3302 (gimplify.o): Depend on $(SPLAY_TREE_H).
3303 (omp-low.p): Likewise.
3305 2007-03-31 Anatoly Sokolov <aesok@post.ru>
3307 * config/avr/predicates.md (even_register_operand,
3308 odd_register_operand): New predicates.
3309 * config/avr/avr.md (movw peephole2): New.
3310 (movw_r peephole2): New.
3312 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
3314 * tree.h (get_signed_or_unsigned_type): New.
3315 * fold-const.c (operand_equal_for_comparison_p): Use
3316 get_signed_or_unsigned_type instead of
3317 lang_hooks.types.signed_or_unsigned_type.
3318 * expr.c (store_expr): Ditto.
3319 * langhooks.c (get_signed_or_unsigned_type): New.
3320 (lhd_signed_or_unsigned_type): New.
3321 * langhooks.h (lhd_signed_or_unsigned_type): New.
3322 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3324 2007-03-30 Richard Henderson <rth@redhat.com>
3326 * tree-ssa-loop-ivopts.c: Include target.h.
3327 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3328 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3329 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3330 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3332 2007-03-30 Richard Henderson <rth@redhat.com>
3333 Kai Tietz <kai.tietz@onevision.com>
3335 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3337 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3338 (TARGET_64BIT_MS_ABI): New.
3339 (DBX_REGISTER_NUMBER): Handle 64-bit.
3340 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3341 (LONG_TYPE_SIZE): Force to 32.
3342 (REG_PARM_STACK_SPACE): New.
3343 (OUTGOING_REG_PARM_STACK_SPACE): New.
3344 (REGPARM_MAX, SSE_REGPARM_MAX): New.
3345 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3346 (STACK_BOUNDARY): Use 128 for 64-bit.
3347 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3348 Add 64-bit implementation.
3349 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3351 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3352 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3353 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3354 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3355 (ix86_handle_cconv_attribute): Don't warn when ignoring if
3356 TARGET_64BIT_MS_ABI.
3357 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3358 (ix86_pass_by_reference): Likewise.
3359 (ix86_function_value_regno_p): Likewise.
3360 (ix86_build_builtin_va_list): Likewise.
3361 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3362 (function_arg_advance_ms_64): New.
3363 (function_arg_advance): Call it.
3364 (function_arg_ms_64): New.
3365 (function_arg): Call it.
3366 (function_value_ms_64): New.
3367 (ix86_function_value_1): Call it.
3368 (return_in_memory_ms_64): New.
3369 (ix86_return_in_memory): Call it.
3370 (setup_incoming_varargs_ms_64): New.
3371 (ix86_setup_incoming_varargs): Call it.
3372 (ix86_expand_prologue): Handle 64-bit stack probing.
3373 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3374 (output_pic_addr_const): Likewise.
3375 (x86_this_parameter): Likewise.
3376 (x86_output_mi_thunk): Likewise.
3377 (x86_function_profiler): Likewise.
3378 (TARGET_STRICT_ARGUMENT_NAMING): New.
3379 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3380 (TARGET_64BIT_MS_ABI): New.
3381 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3382 * config/i386/i386.md (allocate_stack_worker): Remove.
3383 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3384 describe the clobber of eax without a match_scratch.
3385 (allocate_stack_worker_postreload): Remove.
3386 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3387 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3388 (allocate_stack_worker_rex64_postreload): Remove.
3389 (allocate_stack): Handle 64-bit.
3390 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3391 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3392 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3393 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3394 (STANDARD_STARTFILE_PREFIX_1): Likewise.
3395 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3396 * config.build (x86_64-*-mingw*): New host.
3397 * config.host (x86_64-*-mingw*): New host.
3398 * config.gcc (x86_64-*-mingw*): New target.
3399 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3401 2007-03-30 Richard Henderson <rth@redhat.com>
3402 Kai Tietz <kai.tietz@onevision.com>
3404 * c-pragma.c (struct def_pragma_macro_value): New.
3405 (struct def_pragma_macro): New.
3406 (pushed_macro_table): New.
3407 (dpm_hash, dpm_eq): New.
3408 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3409 (init_pragma): Install them.
3410 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3412 2007-03-30 Anatoly Sokolov <aesok@post.ru>
3414 * config/avr/avr.c (avr_override_options): Clear
3415 'flag_delete_null_pointer_checks'.
3417 2007-03-30 Paolo Carlini <pcarlini@suse.de>
3420 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3421 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3422 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3423 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3424 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3425 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3426 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3428 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3430 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
3432 * regmove.c: Move all of pass_stack_adjustments from here...
3433 * combine-stack-adj.c: ...to this new file.
3434 * Makefile.in: Add rules for combine-stack-adj.o.
3436 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
3438 PR tree-optimization/31383
3439 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3440 to have the same length.
3442 2007-03-30 Jan Hubicka <jh@suse.cz>
3445 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3446 availablility; add more sanity checking; ask varpool only about
3449 2007-03-29 Richard Henderson <rth@redhat.com>
3451 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3452 to decide, but __SIZEOF_LONG_LONG__.
3454 2007-03-29 Richard Henderson <rth@redhat.com>
3456 * emutls.c (struct __emutls_array): New.
3457 (emutls_destroy): Use it instead of casting element 0 from void*.
3458 (__emutls_get_address): Likewise.
3460 2007-03-29 Richard Henderson <rth@redhat.com>
3462 * varasm.c (initializer_constant_valid_p): Don't deny
3463 DECL_DLLIMPORT_P on functions.
3465 * config/i386/cygming.h: Remove function declarations.
3466 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3467 (ASM_OUTPUT_LABELREF): Remove.
3468 (COMMON_ASM_OP): Remove.
3469 (ASM_OUTPUT_COMMON): Remove.
3470 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3471 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3472 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3473 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3474 Rename from TARGET_ENCODE_SECTION_INFO.
3475 * config/i386/netware.h: Likewise.
3476 * config/i386/i386-protos.h: Update.
3477 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3478 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3479 (legitimate_constant_p): Reject dllimports.
3480 (dllimport_map, get_dllimport_decl): New.
3481 (legitimize_dllimport_symbol): New.
3482 (legitimize_address, ix86_expand_move): Use it.
3483 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3484 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3485 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3486 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3487 * config/i386/predicates.md (constant_call_address_operand): Only
3488 accept symbols; reject dllimport_p symbols.
3489 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3490 i386_pe_maybe_record_exported_symbol.
3491 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3492 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3493 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3494 trust the setting of DECL_DLLIMPORT_P.
3495 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3496 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3497 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3498 tidy the argument scanning loop.
3499 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3500 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3501 (i386_pe_strip_name_encoding): Remove.
3502 (i386_pe_binds_local_p): New.
3503 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3504 (i386_pe_output_labelref): Remove.
3505 (i386_pe_asm_output_aligned_decl_common): New.
3506 (i386_pe_maybe_record_exported_symbol): Rename from
3507 i386_pe_record_exported_symbol; check for dllexported symbols.
3509 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
3511 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3512 add comment explaining why vsnprintf cannot be used.
3514 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
3516 PR tree-optimization/30666
3517 * tree.c (build_complex_type): When creating type names for DWARF2
3518 debug info, create TYPE_DECLs for TYPE_NAME instead of
3520 (build_common_tree_nodes_2): Use build_complex_type when building
3521 predefined complex types, to preserve canonical types.
3523 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
3525 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3526 (noce_get_alt_condition): Look at it to determine whether to
3527 reverse the condition or not.
3528 (noce_get_condition): Substitute the truth for lies.
3529 (noce_find_if_block): Set the then_else_reversed field.
3531 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
3533 * config/fr30/fr30.md (movdi): Do not accept immediates as the
3534 destination of this insn.
3535 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3536 than calling gen_rtx_SET directly. Use r0 to hold the value of
3537 'address + 4' rather than a stack based temporary which can be
3540 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3542 * config/s390/s390.c (s390_secondary_input_reload_class,
3543 s390_secondary_output_reload_class): Functions removed.
3544 (s390_secondary_reload): New function.
3545 (TARGET_SECONDARY_RELOAD): Target macro defined.
3546 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3547 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3548 * config/s390/s390.md ("reload_outti", "reload_outdi",
3549 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3550 "reload_out<mode>"): Expanders removed.
3551 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3552 "reload<mode>_nonoffmem_out"): Expanders added.
3554 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3556 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3557 SRC->DEST replacement failed anyway.
3559 2007-03-28 Mike Stump <mrs@apple.com>
3561 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3562 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3563 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3565 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3567 * config.gcc: Accept barcelona as a variant of amdfam10.
3568 * config/i386/i386.c (override_options): Likewise.
3569 * doc/invoke.texi: Likewise.
3571 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
3573 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3574 offsets for BIT_FIELD_REF and COMPONENT_REF.
3576 2007-03-28 Richard Guenther <rguenther@suse.de>
3578 * tree.c (is_global_var): Move ...
3579 * tree-flow-inline.h (is_global_var): ... here.
3580 * tree.h (is_global_var): Remove declaration.
3582 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
3584 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3586 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3587 * config/i386/i386.c (ix86_tune_features): Initialize new
3589 * config/i386/predicates.md (promotable_binary_operator): Use
3590 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3592 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3595 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3597 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
3599 * config/fr30/fr30.md (movsi_internal): Change destination
3600 constraint from m to V and add m to the end.
3602 2007-03-28 Christian Bruel <christian.bruel@st.com>
3604 * config/sh/sh.md (movsi_i): Fix type attribute.
3606 2007-03-28 Christian Bruel <christian.bruel@st.com>
3608 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3609 (movsf_ie): Likewise.
3611 2007-03-28 Christian Bruel <christian.bruel@st.com>
3613 * config.gcc: Add sh4-300 to multilib.
3614 * config/sh/t-mlib-sh4-300: New file.
3616 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
3618 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3619 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3621 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3622 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3623 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3624 "fixuns_trunctddi2"): Whitespace fix.
3626 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3628 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3629 the definition of struct sh_args.
3630 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3631 CALL_COOKIE_INT_REG_GET): Likewise.
3633 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
3635 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3636 transformations are applied successfully.
3638 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
3640 * tree.c (tree_contains_struct): Permit 512 tree codes.
3641 * tree.h (tree_contains_struct): Ditto.
3642 (MAX_TREE_CODES): Ditto.
3643 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3644 SPARE member to store remaining padding bits.
3646 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3648 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3651 2007-03-27 Janis Johnson <janis187@us.ibm.com>
3653 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3654 * configure: Regenerate.
3656 * configure: Regenerate using the correct version of autoconf.
3658 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3660 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3662 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3663 regs to "__SP_L__" and "__SP_H__".
3665 2007-03-27 Richard Guenther <rguenther@suse.de>
3667 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3668 computations with it with a HOST_WIDE_INT variable.
3670 2007-03-26 Mike Stump <mrs@apple.com>
3672 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3673 objective-c-header, objective-c++-header and objc++-cpp-output
3675 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3677 2007-03-26 Richard Henderson <rth@redhat.com>
3680 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3681 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3682 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3683 IX86_BUILTIN_PSRLQ128): New.
3684 (ix86_init_mmx_sse_builtins): Add them.
3685 (ix86_expand_builtin): Expand them.
3686 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3687 operand 2 be TImode.
3688 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3689 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3690 _mm_srli_epi64): Mark __B const.
3691 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3692 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3693 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3694 new two-vector shift builtins.
3696 2007-03-26 Ian Lance Taylor <iant@google.com>
3698 PR tree-optimization/31345
3699 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3700 [+INF, +INF(OVF)] into VARYING.
3702 2007-03-26 Zack Weinberg <zackw@panix.com>
3704 * gengtype-parse.c: New file.
3705 * gengtype-yacc.y: Delete.
3706 * gengtype-lex.l: Don't include gengtype-yacc.h.
3707 Define YY_DECL and yyterminate appropriately for recursive
3708 descent parser. yylval is now a string out-parameter to yylex.
3709 (HWS, EOID): New shorthand.
3710 (IWORD): Add a couple more types.
3711 (yylex): Add a setup stanza. Remove the complex rules for
3712 detecting GTY'ed types and typedefs; replace with simple
3713 keyword detectors. Adjust everything for the changed
3714 definition of yylval. Ignore all pp-directives, not just #define.
3716 (parse_file): Rename yybegin; do not call yyparse.
3718 * gengtype.c (xasprintf): Export again.
3719 (this_file): New. Use everywhere __FILE__ was being used.
3720 (get_lang_bitmap): Special case types defined in gengtype.c.
3721 (do_typedef, new_structure): Suppress definition of certain types.
3722 (new_structure): Improve diagnostics of duplicate definitions.
3723 Make sure location_s is associated with input.h.
3724 (nreverse_pairs, define_location_structures): New functions.
3725 (main): Improve tagging of kludge types. Remove old kludges
3726 for input.h types; use define_location_structures.
3727 * gengtype.h: Update prototypes. Define token codes here.
3728 * Makefile.in: Remove all references to gengtype-yacc.
3729 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
3731 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3732 add GTY((skip)) to the field that's only conditionally there.
3733 * doc/install.texi: Document that Bison is no longer required
3734 unless building treelang.
3736 * gengtype.c: Don't include gtyp-gen.h.
3737 (srcdir): Declare here.
3738 (base_files, lang_dir_names): Allocate dynamically.
3739 (gt_files, num_gt_files, num_lang_dirs): New globals.
3740 (measure_input_list, read_input_line, read_input_list)
3741 (set_lang_bitmap): New functions.
3742 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3743 simplify, relying on read_input_list to set up the bitmaps.
3744 (main): Arguments are no longer unused. Check for correct number
3745 of command line arguments, set srcdir and srcdir_len, then call
3746 read_input_list, before doing anything else. No need to worry
3747 about duplicates in main loop.
3748 * configure.ac: Simplify the calculation of all_gtfiles.
3749 Put language tags in there. Don't set or substitute
3750 all_gtfiles_files_langs or all_gtfiles_files_frags.
3751 * Makefile.in: Revamp the way gengtype is invoked, now that it
3752 takes a file on its command line with a much simpler format.
3753 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3754 (GTFILES): Remove duplicates and C source files.
3755 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3756 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3757 * configure: Regenerate.
3759 * gengtype.h: Remove all type definitions to gengtype.c; leave
3760 only definitions of options_p, type_p, and pair_p as opaque
3761 pointers. Update prototypes.
3762 * gengtype.c: Many type definitions moved here from gengtype.h.
3763 Consolidate type definitions at the top of the file.
3764 (xvasprintf): Delete.
3765 (xasprintf): Make static.
3766 (create_nested_pointer_option): Add 'next' parameter.
3767 (create_field_all, create_field_at): New functions.
3768 (create_field): Now a thin wrapper around create_field_all.
3769 (create_optional_field): Rename create_optional_field_ and add
3770 line argument. Original name is now a macro which supplies
3772 (oprintf): Use vsnprintf directly.
3773 (close_output_files): Use fatal rather than perror/exit.
3774 (note_def_vec, note_def_vec_alloc): Use create_field_at.
3775 (main): Set progname. Don't use exit.
3776 * gengtype-yacc.y (struct_fields): Use create_field_at.
3777 (option, optionseqopt): Delete.
3778 (optionseq): Consolidate productions from option here so we
3779 can use the first argument to create_option.
3781 * gengtype-lex.l: Distinguish unions from structures in the
3782 token type. Don't call find_structure; return the tag as a string.
3783 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3784 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3785 Reorganize typedef_struct production accordingly.
3786 Use create_nested_ptr_option.
3787 * gengtype.c (create_nested_ptr_option): New function.
3788 * gengtype.h: Declare it.
3790 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3791 (string_type): Don't declare.
3792 (do_scalar_typedef): Declare.
3793 (create_scalar_type): Update prototype.
3794 * gengtype.c (string_type): Make static.
3795 (scalar_nonchar, scalar_char): New.
3796 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
3797 (resolve_typedef): Use scalar_nonchar for error recovery.
3798 (create_scalar_type): Remove name_len field. Return scalar_char
3799 or scalar_nonchar as appropriate.
3800 (adjust_field_type): Look at scalar_is_char boolean to decide whether
3802 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3804 (main): Initialize scalar_char and scalar_nonchar before calling
3806 * gengtype-lex.l: Adjust for removal of second argument to
3807 create_scalar_type. Use yylval.s instead of yylval.t when
3809 * gengtype-yacc.y: Type of SCALAR is string. Call
3810 create_scalar_type from type:SCALAR rule. Adjust for removal of
3811 second argument to create_scalar_type.
3813 * vec.h: Remove all #if IN_GENGTYPE blocks.
3814 Add comment saying that changes may require adjustments to gengtype.
3815 * gengtype.c: Don't include coretypes.h or tm.h.
3816 Add comment to inclusion of errors.h.
3817 (note_def_vec, note_def_vec_alloc): New functions.
3818 * gengtype.h: Declare new functions.
3819 * gengtype-lex.l: Don't include coretypes.h.
3820 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3822 (update_lineno): Remove unnecessary prototype.
3823 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3824 (VEC rule): Just return VEC_TOKEN.
3825 * gengtype-yacc.y (VEC_TOKEN): New token type.
3826 (type): Add a production for VEC(a,b).
3827 * Makefile.in: Update dependencies.
3829 * gengtype-lex.l: Remove rules for parsing pointer-to-function
3830 typedefs that use the old PARAMS macro.
3832 * gengtype-lex.l: Remove all rules and states relating to yacc
3834 * gengtype-yacc.y: Similarly.
3835 * gengtype.c (note_yacc_type): Delete function.
3836 * gengtype.h: Update prototypes.
3838 2007-03-26 Joseph Myers <joseph@codesourcery.com>
3840 * tree-pretty-print.c (dump_generic_node): Report precision of
3841 unnamed integer types.
3843 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
3845 * ifcvt.c (noce_try_store_flag_constants): Don't check
3846 no_new_pseudos here.
3847 (noce_try_store_flag_constants): Don't check no_new_pseudos.
3848 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3849 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3850 noce_try_sign_mask): Likewise.
3851 (if_convert): Check no_new_pseudos here.
3853 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3855 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3856 (noce_get_condition): Handle new then_else_reversed argument.
3857 (noce_init_if_info): Remove, fold into noce_find_if_block.
3858 (noce_process_if_block): Take a struct noce_if_info as the
3859 argument. Don't set up one based on ce_if_info. Update pointer
3860 references accordingly.
3861 (cond_move_process_if_block): Likewise.
3862 (process_if_block): Removed.
3863 (find_if_block): Removed. Move functionality two new functions,
3864 noce_find_if_block and cond_exec_find_if_block.
3865 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
3866 blocks and the symmetric IF-ELSE-JOIN case.
3867 (cond_exec_find_if_block): Also new function mostly based on old
3868 find_if_block and process_if_block.
3869 (find_if_header): Replace find_if_block call with separately
3870 guarded calls to noce_find_if_block and cond_exec_find_if_block.
3871 (find_cond_trap): Update noce_get_condition call.
3872 (dead_or_predicable): Likewise.
3874 2007-03-26 Jakub Jelinek <jakub@redhat.com>
3876 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3878 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3879 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3880 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3881 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3882 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
3883 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3884 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3885 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3886 __builtin_ia32_psrad128 builtins.
3888 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
3890 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3891 * config/i386/constraints.md
3892 (define_constraint "I"): Use IN_RANGE macro.
3893 (define_constraint "J"): Ditto.
3894 (define_constraint "K"): Ditto.
3895 (define_constraint "M"): Ditto.
3896 (define_constraint "N"): Ditto.
3897 (define_constraint "O"): Ditto.
3898 * config/i386/predicates.md
3899 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3900 (define_predicate "const_0_to_3_operand"): Ditto.
3901 (define_predicate "const_0_to_7_operand"): Ditto.
3902 (define_predicate "const_0_to_15_operand"): Ditto.
3903 (define_predicate "const_0_to_63_operand"): Ditto.
3904 (define_predicate "const_0_to_255_operand"): Ditto.
3905 (define_predicate "const_1_to_31_operand"): Ditto.
3906 (define_predicate "const_2_to_3_operand"): Ditto.
3907 (define_predicate "const_4_to_7_operand"): Ditto.
3909 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3911 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3912 in SImode for save_world.
3913 * config/rs6000/altivec.md (save_world, restore_world): Convert to
3916 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
3918 PR tree-optimization/30784
3919 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3922 2007-03-25 Revital Eres <eres@il.ibm.com>
3924 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3925 Fold movement_possibility function into it.
3927 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3929 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3930 (load_macho_picbase_{si,di}): Convert to LR hard reg.
3931 (call_indirect_nonlocal_darwin64): Same.
3932 (call_nonlocal_darwin64): Same.
3933 (call_value_indirect_nonlocal_darwin64): Same.
3934 (call_value_nonlocal_darwin64): Same.
3935 (sibcall_nonlocal_darwin64): Same.
3936 (sibcall_value_nonlocal_darwin64): Same.
3937 (sibcall_symbolic_64): Same.
3938 (sibcall_value_symbolic_64): Same.
3939 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3941 (rs6000_emit_load_toc_table): Same.
3942 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3943 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3949 (load_toc_v4_pic_si): Same
3950 (load_toc_v4_PIC_1): Same.
3951 (load_toc_v4_PIC_1b): Same.
3952 (call_indirect_aix{32,64}): Same.
3953 (call_value_indirect_aix{32,64}): Same.
3956 (call_local{32,64}): Same.
3957 (call_value_local{32,64}): Same.
3958 (call_indirect_nonlocal_aix{32,64}): Same.
3959 (call_nonlocal_aix{32,64}): Same.
3960 (call_value_indirect_nonlocal_aix{32,64}): Same.
3961 (call_value_nonlocal_aix{32,64}): Same.
3962 (call_indirect_nonlocal_sysv<mode>): Same.
3963 (call_nonlocal_sysv<mode>): Same.
3964 (call_value_indirect_nonlocal_sysv<mode>): Same.
3965 (call_value_nonlocal_sysv<mode>): Same.
3967 (sibcall_local{32,64}): Same.
3968 (sibcall_value_local{32,64}): Same.
3969 (sibcall_nonlocal_aix{32,64}): Same.
3970 (sibcall_value_nonlocal_aix{32,64}): Same.
3971 (sibcall_nonlocal_sysv<mode>): Same.
3972 (sibcall_value): Same.
3973 (sibcall_value_nonlocal_sysv<mode>): Same.
3975 2007-03-24 Paul Brook <paul@codesourcery.com>
3977 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3978 * config/arm/linux-eabi.h: Remove legacy syscall hack.
3980 2007-03-24 Richard Henderson <rth@redhat.com>
3982 * config/ia64/constraints.md: New file.
3983 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3984 satisfies_constraint_?.
3985 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3986 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3987 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3988 ia64_output_mi_thunk): Likewise.
3989 (ia64_const_ok_for_letter_p): Remove.
3990 (ia64_const_double_ok_for_letter_p): Remove.
3991 (ia64_extra_constraint): Remove.
3992 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3993 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3994 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3995 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3996 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3997 EXTRA_MEMORY_CONSTRAINT): Remove.
3998 * config/ia64/ia64.md: Include constriants.md. Replace
3999 CONST_OK_FOR_? with satisfies_constraint_?.
4001 2007-03-23 Michael Meissner <michael.meissner@amd.com>
4002 H.J. Lu <hongjiu.lu@intel.com>
4004 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4006 (name macros): Use DPD_BID_NAME to convert names properly.
4008 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4009 decimal floating point format.
4010 (init_floating_libfuncs): Change decimal functions so that they
4011 have a "bid_" prefix if the decimal system uses the BID format,
4012 and "dpd_" prefix if the decimal system uses the DPD format.
4013 (init_interclass_conv_libfuncs): Ditto.
4014 (init_intraclass_conv_libfuncs): Ditto.
4016 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4017 using the BID format.
4019 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4020 whether we are using the BID decimal format.
4021 * configure: Regenerate.
4023 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4024 the compiler has decimal floating point enabled. Define
4025 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4028 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4029 using the BID format.
4031 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4032 whether we are using the BID decimal format.
4033 * configure: Regenerate.
4035 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4036 the compiler has decimal floating point enabled. Define
4037 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4040 * doc/install.texi (--enable-decimal-float): Document BID and DPD
4041 options, and that it is enabled for i386/x86_64 systems.
4043 * Makefile.in (enable_decimal_float): New.
4045 (DECNUMINC): Add -I$(DECNUMFMT).
4046 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4047 to $(DECNUMFMT) from $(DECNUM).
4049 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4050 Substitute enable_decimal_float.
4051 * configure: Regenerated.
4054 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4057 * configure.ac: Enable decimal float for x86_64-*-linux*.
4058 * configure: Regenerated.
4061 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4062 decimal128ClearSign to flip and clear the sign bit in decimal128.
4063 (decimal_real_maxval): Set decimal128SetSign to set the sign
4066 2007-03-23 Ian Lance Taylor <iant@google.com>
4068 * fold-const.c (fold_binary): Correct warning for X - c >= X.
4070 2007-03-23 Ian Lance Taylor <iant@google.com>
4072 * tree-dump.c (dump_files): Correct comment.
4074 2007-03-23 Ian Lance Taylor <iant@google.com>
4076 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4078 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
4080 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
4081 in cfglayout mode. Don't go into and out of cfglayout mode.
4082 Link the blocks in the order of the constructed traces.
4083 (rest_of_handle_tracer): Adjust call to tracer.
4084 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4085 Don't go into cfglayout mode.
4086 (rtl_loop_done): Don't go out of cfglayout mode.
4087 * cfglayout.c (relink_block_chain): New function, split out from...
4088 (fixup_reorder_chain): ...here. Remove redundant checking.
4089 (cfg_layout_finalize): Don't clear the header, footer, and aux
4090 fields here, move the code to do so to relink_block_chain. Likewise
4091 for free_original_copy_tables.
4092 * rtl.h (tracer): Update prototype.
4093 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4094 Assert we are in cfglayout mode. Don't go into and out of cfglayout
4095 mode. Use relink_block_chain to serialize the CFG according to the
4096 new basic block order. Move targetm.cannot_modify_jumps_p check from
4098 (gate_handle_reorder_blocks): ...to here.
4099 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4101 (gate_duplicate_computed_gotos): ...to here.
4102 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4103 something always changes when going into and out of cfglayout mode.
4104 Perform an expensive cfg cleanup while going into cfglayout mode.
4105 Always update liveness information on HAVE_conditional_execution
4106 targets. Reserialize the basic blocks and go out of cfglayout mode.
4107 * reg-stack.c: Include cfglayout.h.
4108 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4109 the call to reorder_basic_blocks.
4110 * basic-block.h (reorder_basic_blocks): Update prototype.
4111 (relink_block_chain): New prototype.
4112 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4114 2007-03-23 Joseph Myers <joseph@codesourcery.com>
4116 * config/mips/mips.md (type, hazard, *movdi_32bit,
4117 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4118 *movhi_internal, *movqi_internal, *movsf_hardfloat,
4119 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4120 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4121 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4123 (movcc): Change first xfer to multi.
4124 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4125 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4126 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4127 config/mips/generic.md: Change reservations using "xfer" to use
4129 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4130 using match_operand.
4131 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4132 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4134 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4136 2007-03-22 Richard Henderson <rth@redhat.com>
4138 * config/i386/i386.c: Remove unnecessary function declarations.
4139 Move targetm definition, and all related macros, to the end of
4140 the file. Resort some functions to put definitions before uses.
4141 (ix86_attribute_table): Make static. Move to end of file.
4142 (ix86_gimplify_va_arg): Make static.
4144 2007-03-22 Richard Henderson <rth@redhat.com>
4146 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4147 don't increase local_regparm with force_align_arg_pointer check.
4148 (ix86_function_sseregparm): Assert 32-bit.
4149 (type_has_variadic_args_p): New.
4150 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
4151 type_has_variadic_args_p.
4152 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4153 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
4154 use memset instead. Do maybe_vaarg check first; skip attribute
4155 tests if true; skip attribute tests for 64-bit.
4156 (construct_container): Remove TARGET_DEBUG_ARG.
4157 (function_arg_advance_32, function_arg_advance_64): Split out ...
4158 (function_arg_advance): ... from here.
4159 (function_arg_32, function_arg_64): Split out ...
4160 (function_arg): ... from here.
4161 (ix86_pass_by_reference): Tidy.
4162 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4163 (function_value_32): New, from parts of ix86_function_value
4164 and ix86_value_regno.
4165 (function_value_64): New, from parts of ix86_function_value
4166 and ix86_libcall_value.
4167 (ix86_function_value_1): New.
4168 (ix86_function_value, ix86_libcall_value): Use it.
4169 (return_in_memory_32, return_in_memory_64): Split out ...
4170 (ix86_return_in_memory): ... from here.
4171 (ix86_struct_value_rtx): Skip for 64-bit.
4172 (ix86_libcall_value, ix86_value_regno): Remove.
4173 (setup_incoming_varargs_64): Split out ...
4174 (ix86_setup_incoming_varargs): ... from here.
4175 (ix86_va_start): Remove TARGET_DEBUG_ARG.
4176 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4177 * config/i386/i386-protos.h (ix86_function_value): Remove.
4178 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4180 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4183 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4184 infinities not supported, otherwise emit warning if -Woverflow. On
4185 underflow, emit warning if -Woverflow.
4186 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4188 * real.h (real_from_string): Update declaration
4190 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
4191 Richard Henderson <rth@redhat.com>
4193 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4194 * calls.c (compute_argument_block_size, expand_call,
4195 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4196 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4197 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4198 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4199 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4200 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4201 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4202 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4205 2007-03-22 Joseph Myers <joseph@codesourcery.com>
4207 * c-incpath.c (add_sysroot_to_chain): New.
4208 (merge_include_chains): Add sysroot argument. Call
4209 add_sysroot_to_chain if sysrooted.
4210 (register_include_chains): Update call to merge_include_chains.
4211 * doc/cppopts.texi: Document use of '=' in include directory
4214 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
4216 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4217 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
4218 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4219 insn pattern using X87MODEF12 mode macro.
4221 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
4223 * regmove.c (regmove_optimize): Use reg_mentioned_p
4224 instead of reg_overlap_mentioned_p for DST.
4226 2007-03-21 Mike Stump <mrs@apple.com>
4228 * c.opt: Fixup for Objective-C/C++.
4230 2007-03-21 Steve Ellcey <sje@cup.hp.com>
4232 * explow.c (convert_memory_address): Fold memory reference when
4233 POINTERS_EXTEND_UNSIGNED < 0
4235 2007-03-21 Richard Henderson <rth@redhat.com>
4238 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4239 * config/i386/mmintrin.h (__m64): Likewise.
4240 * config/i386/xmmintrin.h (__m128): Likewise.
4242 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4244 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4245 (VXWORKS_OS_CPP_BUILTINS): Define.
4246 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4247 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
4249 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4251 * rtl.h (constant_pool_reference_p): Delete.
4252 (find_constant_src): Declare.
4253 * rtlanal.c (find_constant_src): New function.
4254 * simplify-rtx.c (constant_pool_reference_p): Delete.
4255 * config/i386/i386.md: Use find_constant_src instead of
4256 constant_pool_reference_p/avoid_constant_pool_reference pairs.
4258 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4260 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4261 * c-cppbuiltin.c (c_cpp_builtins): Define them.
4263 2007-03-20 Mark Mitchell <mark@codesourcery.com>
4265 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4266 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4267 (arm_elf_asm_constructor): Use it.
4268 (arm_elf_asm_destructor): New function.
4270 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
4272 * jump.c (mark_jump_label): Treat SEQUENCE specially.
4274 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
4276 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4278 2007-03-19 Andrew Haley <aph@redhat.com>
4280 PR tree-optimization/31264
4281 * tree-vrp.c (register_edge_assert_for_1): Don't look though
4284 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
4286 PR rtl-optimization/30907
4287 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4288 (fwprop_init): Always call loop_optimizer_initialize.
4289 (fwprop_done): Always call loop_optimizer_finalize.
4290 (fwprop): We always have loop info now.
4291 (gate_fwprop_addr): Remove.
4292 (pass_fwprop_addr): Use gate_fwprop as gate.
4294 PR rtl-optimization/30841
4295 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4296 df_chain_alloc): Call df_reorganize_refs unconditionally.
4297 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4298 refs_organized to refs_organized_size.
4299 (df_ref_create_structure): Use refs_organized_size instead of
4300 bitmap_size if refs had been organized, and keep refs_organized_size
4302 * df.h (struct df_ref_info): Change refs_organized to
4303 refs_organized_size.
4304 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4307 2007-03-19 Mark Mitchell <mark@codesourcery.com>
4309 * except.c (output_function_exception_table): Do not reference the
4310 EH personality routine for functions that do not require an
4313 2007-03-20 Jakub Jelinek <jakub@redhat.com>
4316 * c-typeck.c (convert_for_assignment): Call comptypes for
4317 RECORD_TYPE or UNION_TYPE.
4320 * reload1.c (reload): Do invalid ASM checking after
4321 cleanup_subreg_operands.
4323 2007-03-19 Jeff Law <law@redhat.com>
4325 * tree-cfg.c (find_taken_edge): Tighten conditions for
4326 optimizing computed gotos.
4328 2007-03-19 Michael Matz <matz@suse.de>
4330 * builtins.c (expand_builtin_sync_operation,
4331 expand_builtin_compare_and_swap,
4332 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4335 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4336 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4339 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4341 * doc/tm.texi: Add brackets around the return type of
4342 TARGET_SECONDARY_RELOAD.
4344 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
4345 Richard Guenther <rguenther@suse.de>
4347 PR tree-optimization/31254
4348 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4349 Use handled_component_p () where appropriate. Continue
4350 propagating into the rhs if we propagated into an INDIRECT_REF
4353 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4355 * config/s390/s390.md (op_type attribute): RRR instruction type added.
4356 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4357 (xde, xdee): Mode attributes adjusted to support DFP modes.
4358 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4359 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4360 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4361 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4362 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4363 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4364 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4366 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4367 "movsf"): Insn definitions removed.
4368 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4369 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4370 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4372 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4373 "reload_in<mode>", "reload_out<mode>"): Expander added.
4374 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4377 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4379 * config/s390/s390.md: Only non-functional changes. Renamed
4380 FPR mode macro to BFP all over the file.
4382 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4384 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4385 (op_type attribute): RRF instruction type added.
4386 (fT0): New mode attribute.
4387 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4388 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4389 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4390 no secondary memory is needed when moving DFmode values between GPRs
4393 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4395 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4396 inverted and documentation adjusted.
4397 ("mhard-dfp", "msoft-dfp"): New options.
4398 * config/s390/s390.c (s390_handle_arch_option): New architecture
4400 (override_options): Sanity checks for the new options added.
4401 * config.gcc: New architecture switch: z9-ec.
4402 * config/s390/s390.h (processor_flags): PF_DFP added.
4403 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4404 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4405 when the bit is NOT set so remove it from the defaults.
4407 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4409 * genemit.c (main): Print include statement for dfp.h.
4410 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4413 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4415 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4417 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
4420 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4423 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4425 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4426 attr_length_call, output_call, output_indirect_call): Cleanup
4427 formatting of targetm calls.
4429 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4431 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4433 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
4436 reservation, bypass and anti-bypass descriptions for these instructions.
4437 Update move patterns.
4438 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4441 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
4443 * tree-vect-transform.c (get_initial_def_for_induction): Replace
4444 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4445 (get_initial_def_for_reduction): Likewise.
4447 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
4449 Fix PR tree-optimization/29922
4450 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4451 (get_representative): Removed.
4452 (value_dies_in_block_x): Update for rvuse removal.
4453 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4454 (compute_antic_aux): Handle when PHI nodes appear in
4455 non-single-successors.
4456 (dump_bitmap_of_names): Removed.
4457 (compute_antic_safe): Renamed and removed rvuse calculation.
4458 Calculate only antic safe.
4459 (insert_into_preds_of_block): Remove assert.
4460 (execute_pre): Update for renamed functions.
4461 (defer_or_phi_translate_block): New function.
4463 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4465 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4466 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4468 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4469 Follow spelling conventions.
4471 * tree-data-ref.h: Remove the prototype for analyze_array.
4473 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
4475 PR tree-optimization/31041
4476 * tree-vect-transform.c (get_initial_def_for_induction): Call
4477 force_gimple_operand.
4479 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
4481 * ipa-type-escape.c (look_for_casts) : Revert code to use
4482 handled_component_p due to ada test a-numaux.adb.
4484 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4486 * final.c (final_scan_insn): Alter the condition of a
4487 conditional trap if we have nonstandard CC.
4489 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4491 * configure.ac: Remove excess quoting from asm line 0 test.
4492 * configure: Rebuilt.
4494 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4496 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4497 * c-common.c (convert_and_check): Move warning logic to...
4498 (warnings_for_convert_and_check): ...here. Define.
4499 * c-common.h (warnings_for_convert_and_check): Declare.
4501 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4503 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4504 (output_call): Likewise.
4506 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4508 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4510 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4512 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4514 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
4516 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4517 opteron, athlon-64 and athlon-fx processor_alias_table entries.
4519 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
4521 PR tree-optimization/31183
4522 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4523 Use double_int instead of unsigned int for representing access_strides.
4524 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4526 2007-03-16 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/31146
4529 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4530 to allow recursion of forward_propagate_addr_expr.
4531 (forward_propagate_addr_into_variable_array_index): Likewise.
4532 (forward_propagate_addr_expr): Likewise.
4533 (tree_ssa_forward_propagate_single_use_vars): Likewise.
4534 (forward_propagate_addr_expr_1): Recurse on simple copies
4535 instead of propagating into them. Do so for useless conversions
4537 (forward_propagate_addr_expr): Clean up unused statements after
4540 2007-03-16 Richard Guenther <rguenther@suse.de>
4542 * builtins.c (expand_builtin_cexpi): Use the right argument
4543 for the expansion via cexp.
4545 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4547 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4548 * configure: Rebuilt.
4550 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4553 * dwarf2out.c (force_type_die): Adjust comment.
4554 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4556 2007-03-15 DJ Delorie <dj@redhat.com>
4558 * config/frv/predicates.md (minmax_operator): Don't check operands
4561 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4563 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4564 Update constant estimates of number of iterations.
4565 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
4566 argument renamed to "realistic".
4567 (compute_estimated_nb_iterations): Removed.
4568 (record_niter_bound): New function.
4569 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4570 call record_nonwrapping_iv with upper = false.
4571 (infer_loop_bounds_from_signedness): Pass upper argument to
4572 record_nonwrapping_iv.
4573 (estimate_numbers_of_iterations_loop): Do not call
4574 compute_estimated_nb_iterations. Record estimate based on profile
4575 information. Initialize the constant estimates of number of
4577 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4579 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4580 number of iterations is too small.
4581 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4582 (EST_NOT_AVAILABLE): Removed.
4583 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4584 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4587 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4589 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4590 Handle NE_EXPR guards.
4592 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4595 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4596 Set also -pedantic-errors by default for the preprocessor unless
4597 -fpermissive is given.
4599 2007-03-15 Richard Guenther <rguenther@suse.de>
4603 * builtins.c (expand_builtin_cexpi): As a fallback if we
4604 don't have builtins for sincos or cexp create a function
4605 declaration for cexp and expand to a call to that.
4606 (expand_builtin_int_roundingfn): Always fall
4607 back to floor/ceil and its variants even if they may be
4610 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
4613 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4614 jump tables, move the call to delete_dead_jumptables from here...
4615 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
4616 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4617 don't allow merging of blocks that try_redirect_by_replacing_jump
4618 also does not handle when not optimizing.
4620 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4621 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4623 * config/i386/i386.md (x86_sahf_1): Correctly handle
4626 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4629 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4630 x86_64_general_operand as operand[2] predicate. Remove "iF"
4631 from operand constraints and use "e" constraint instead.
4632 (*subti3_1, *subti3_1 splitter): Ditto.
4633 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4634 operand[1] predicate.
4636 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
4638 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4639 arrays, multiply the access strides by the size of the sub-array.
4640 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4642 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4644 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4645 the configured assembler supports the sahf mnemonic.
4646 * configure: Regenerate.
4647 * config.in: Regenerate.
4649 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4650 emit "sahf" or ".byte\t0x9e" as asm template.
4652 2007-03-14 Michael Meissner <michael.meissner@amd.com>
4655 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4656 option to replace hard coded TARGET_xxx in md file.
4657 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4658 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4659 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4660 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4661 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4662 (X86_TUNE_NOT_VECTORMODE): Ditto.
4663 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4664 (TUNE_AVOID_VECTOR_DECODE): Ditto.
4665 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4666 (TUNE_SLOW_IMUL_IMM8): Ditto.
4667 (TUNE_MOVE_M1_VIA_OR): Ditto.
4668 (TUNE_NOT_UNPAIRABLE): Ditto.
4669 (TUNE_NOT_VECTORMODE): Ditto.
4671 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4674 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4675 tuning options instead of hard coded TARGET_xxx.
4676 (fix ssemode peephole2's): Ditto.
4677 (imul peephole2's): Ditto.
4679 (movdi_or_rex64): Ditto.
4680 (move peephole2): Ditto.
4681 (not peephole2's): Ditto.
4683 2007-03-14 Dirk Mueller <dmueller@suse.de>
4685 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4686 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4687 * c-parser.c (c_parser_if_body): Always add an empty statement in case
4689 * c-parser.c (c_parser_do_statement): Warn about empty body in
4691 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4692 * doc/invoke.texi (-Wempty-body): Update documentation.
4694 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4697 * c-common.h (warn_for_div_by_zero): Declare.
4698 * c-common.c (warn_for_div_by_zero): Define.
4699 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4702 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4704 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4705 to PREFIX and STANDARD_PREFIX.
4707 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4708 Phil Edwards <phil@codesourcery.com>
4710 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4711 (__gthread_once_t): Remove busy field for RTPs.
4712 (__GTHREAD_ONCE_INIT): Update accordingly.
4714 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4716 * doc/invoke.texi: Document VxWorks options.
4718 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4720 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4722 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
4724 PR tree-optimization/30590
4725 * tree-nrv.c (tree_nrv): Check for the partial update of the
4728 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4730 * flags.h (flag_random_seed): Remove declaration, in favor of...
4731 * toplev.h (get_random_seed, set_random_seed): ... these.
4732 * tree.c (get_file_function_name): Use the former.
4733 * opts.c (common_handle_option): Use the latter.
4736 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
4739 * cse.c (cse_find_path): Do not bail out if a basic block that
4740 we already visited now becomes part of a path that starts at a
4741 different basic block. Just disallow this, to make sure we
4742 visit each basic block at most once.
4744 2007-03-13 Jan Hubicka <jh@suse.cz>
4746 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4747 when profile esitmate is present, calls with very low frequency are
4750 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4752 PR tree-optimization/30730
4753 PR tree-optimization/26900
4754 * tree-ssa-loop-niter.c: Include gmp.h.
4756 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4757 split_to_var_and_offset, determine_value_range,
4758 bound_difference_of_offsetted_base, refine_bounds_using_guard,
4759 bound_difference, bounds_add, bounds_negate,
4760 number_of_iterations_ne_max, dump_affine_iv): New functions.
4761 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4762 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4763 difference of initial and final value of control iv to validate
4765 (number_of_iterations_cond): Add loop parameter. Determine bounds
4766 on the difference of the extremes of the control iv. Add dumps.
4767 (expand_simple_operations): Handle phi nodes.
4768 (simplify_using_initial_conditions): Do not record used conditions.
4769 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4770 Do not set additional_info.
4771 (implies_nonnegative_p, implies_ge_p): Removed.
4772 (derive_constant_upper_bound): Do not use parameter `additional'.
4773 (record_estimate): Parameter `additional' removed. Parameter
4774 `i_bound' added. Do not call derive_constant_upper_bound.
4775 (record_nonwrapping_iv): Use derive_constant_upper_bound to
4776 bound the number of iterations estimate.
4777 (estimate_numbers_of_iterations_loop): Pass the estimate from
4778 the number of iterations analysis to record_estimate.
4779 * tree.h (multiple_of_p): Declare.
4780 * tree-scalar-evolution.c (expression_expensive_p): Removed.
4781 (scev_const_prop): Do not check expression_expensive_p.
4782 * fold-const.c (multiple_of_p): Exported.
4783 * double-int.c (double_int_mask): Exported.
4784 * double-int.h (double_int_mask): Declare.
4785 * tree-flow.h (struct tree_niter_desc): Removed additional_info
4786 field. Added max field.
4788 2007-03-13 David Taylor <taylor@candd.org>
4791 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4794 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4797 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
4798 two unamed patterns.
4800 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
4802 * config/i386/i386.opt (mcx16, msahf): New options.
4803 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4804 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4806 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4807 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4808 Output -mcx16 and -msahf options when corresponding bit is set.
4810 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4813 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4815 * configure.ac: Test for assembler tolerance to # 0 "".
4816 * configure, config.in: Rebuilt.
4817 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4819 2007-03-13 Geoffrey Keating <geoffk@apple.com>
4821 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4823 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4824 (handle_syscall): Handle direct system calls.
4825 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4827 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4829 * doc/invoke.texi: Fix cpp.info cross-reference.
4830 * doc/passes.texi: Fix gcc.info cross-reference.
4832 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
4834 PR tree-optimization/30835
4835 * lambda-code.c (can_convert_to_perfect_nest): Check whether
4836 bb_for_stmt is not NULL before accessing it.
4838 2007-03-12 Joseph Myers <joseph@codesourcery.com>
4840 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4843 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4846 * doc/install.texi: Document --enable-stage1-languages
4848 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
4850 * tree-pass.h (pass_into_cfg_layout_mode,
4851 pass_outof_cfg_layout_mode): Declare.
4852 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4853 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4854 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4855 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4857 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
4859 * c-decl.c (warn_variable_length_array): New function.
4860 Refactored from grokdeclarator to handle warn_vla
4861 and handle unnamed array case.
4862 (grokdeclarator): Refactored VLA warning case.
4863 * c.opt (Wvla): New flag.
4864 * doc/invoke.texi (Wvla): New warning.
4866 2007-03-12 Richard Henderson <rth@redhat.com>
4868 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4869 (TARGET_SECTION_TYPE_FLAGS): New.
4871 2007-03-12 Richard Henderson <rth@redhat.com>
4873 * config/darwin.c (machopic_reloc_rw_mask): New.
4874 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4875 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4877 2007-03-12 Mark Mitchell <mark@codesourcery.com>
4879 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4880 * cppdefault.h (cpp_PREFIX): Document.
4881 (cpp_PREFIX_len): Likewise.
4882 (cpp_EXEC_PREFIX): New variable.
4883 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4884 * c-incpath.c (add_standard_paths): Correct logic for relocating
4885 paths within prefix.
4887 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
4889 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4890 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4892 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4893 fix_truncdfdi_sse using SSEMODEF mode macro.
4894 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4895 fix_truncdfsi_sse using SSEMODEF mode macro.
4896 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4897 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4899 2007-03-12 Richard Sandiford <richard@codesourcery.com>
4901 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4904 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
4906 * tree.h : Add multiple_of_p declaration.
4907 * fold-const.c (multiple_of_p): Make multiple_of_p public.
4908 * ipa-type-escape.c (results_of_malloc): Redundant.
4909 (visited_stmts): New. Visited stmt for walk_use_def_chains.
4910 (cast_type): Extended with new members.
4911 (check_cast): Returns cast_type.
4912 (cast): New structure for data of walk_use_def_chains.
4913 (is_malloc_result, is_cast_from_non_pointer_1,
4914 is_cast_from_non_pointer,
4915 is_array_access_through_pointer_and_index): New functions.
4916 (look_for_casts): Returns cast types.
4917 (check_call): Returns void.
4918 (okay_pointer_operation): Use support of pointer plus index,
4919 pointer plus constant and allow all multiplications.
4921 2007-03-11 Richard Guenther <rguenther@suse.de>
4923 PR tree-optimization/31115
4924 * tree-vrp.c (extract_range_from_binary_expr): Make sure
4925 the shift count is positive and non-anti-range for RSHIFT_EXPR.
4926 A shift count of zero is not special as with *_DIV_EXPR.
4927 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4930 2007-03-11 Ian Lance Taylor <iant@google.com>
4932 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4933 the *_DIV_EXPR codes correctly with overflow infinities.
4935 2007-03-11 Ira Rosen <irar@il.ibm.com>
4937 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4938 indicate success/failure of the analysis. Add negation to subtrahend
4939 in case of subtraction. Fail if both operands contain constants.
4940 (create_data_ref): Fail if analyze_offset fails.
4942 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
4944 * config/i386/i386.md (frndintxf2): Rename to ...
4945 (rintxf2): ... this. Remove expander having same name.
4946 (rintsf2, rintdf2): Implement using SSEMODEF macro.
4947 (roundsf2, rounddf2): Ditto.
4948 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4949 (lround<mode>di2, lround<mode>si2): Ditto.
4951 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
4953 * lower-subreg.c: Include except.h.
4954 (decompose_multiword_subregs): Verify that the only control flow
4955 insns we can split are loads to multi-words pseudos.
4956 Handle breaking such blocks after splitting, instead of calling
4957 find_many_sub_basic_blocks.
4959 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4960 on the new basic block. Add a lengthy comment explaining why we
4961 thought this was necessary.
4962 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4964 2007-03-10 Mark Mitchell <mark@codesourcery.com>
4967 * tree.c (walk_type_fields): Recurse into the element type of
4968 ARRAY_TYPEs if there is a pointer set.
4970 2007-03-10 Dirk Mueller <dmueller@suse.de>
4972 * c-common.c (warn_logical_operator): Fix condition.
4974 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
4976 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4978 * config/darwin.c (machopic_select_section): Remove superfluous
4979 argument in call to categorize_decl_for_section. Remove unused
4982 2007-03-10 Joseph Myers <joseph@codesourcery.com>
4984 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4986 * configure: Regenerate.
4988 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
4991 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4992 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4993 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4994 Add LABEL_NUSES to emitted label.
4995 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4996 branch probability value to emitted jump insn.
4997 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4998 Do not check life information and do not re-arrange input operands
4999 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5001 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5003 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5004 the change of decode_asm_operands.
5006 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5008 * mode-switching.c (create_pre_exit): Skip blockage insn.
5010 2007-03-09 Diego Novillo <dnovillo@redhat.com>
5012 * tree-pass.h (TODO_update_smt_usage): Remove.
5014 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5018 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5020 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5021 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5022 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
5025 2007-03-09 Geoffrey Keating <geoffk@apple.com>
5027 * gcc.c: Document %{, in big comment at top.
5028 (input_suffix_matches): Remove special handling for .s and
5030 (input_spec_matches): New.
5031 (handle_braces): Handle %{,.
5032 (validate_switches): ',' indicates a value which is not a switch.
5033 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5034 to detect assembler input.
5035 * config/i386/sol2.h (CPP_SPEC): Likewise.
5036 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5037 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5038 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5039 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5040 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5041 -m64 causes deployment target to default to 10.5.
5042 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5044 2007-03-09 Richard Henderson <rth@redhat.com>
5047 * target.h (targetm.asm.out.reloc_rw_mask): New.
5048 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5049 (TARGET_ASM_OUT): Use it.
5050 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5051 * varasm.c (categorize_decl_for_section): Remove shlib argument;
5052 use the new reloc_rw_mask target hook instead.
5053 (default_section_type_flags_1): Merge into...
5054 (default_section_type_flags): ... here.
5055 (decl_readonly_section_1): Merge into...
5056 (decl_readonly_section): ... here.
5057 (default_elf_select_section_1): Merge into...
5058 (default_elf_select_section): ... here.
5059 (default_unique_section_1): Merge into...
5060 (default_unique_section): ... here.
5061 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5062 (default_select_rtx_section): Use it.
5063 (default_elf_select_rtx_section): Likewise.
5064 * output.h: Update to match.
5065 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5066 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5067 (TARGET_ASM_RELOC_RW_MASK): New.
5068 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5069 to categorize_decl_for_section.
5070 (x86_64_elf_unique_section): Likewise.
5071 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5072 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5073 (TARGET_ASM_RELOC_RW_MASK): New.
5074 * config/ia64/ia64.c (ia64_rwreloc_select_section,
5075 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5076 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5077 (TARGET_RWRELOC): Remove.
5078 (ia64_section_type_flags): Adjust call to default_section_type_flags.
5079 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5080 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5081 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5082 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5083 (rs6000_xcoff_select_section): Use decl_readonly_section.
5084 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5085 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5086 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5087 (TARGET_SECTION_TYPE_FLAGS): Remove.
5088 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5090 2007-03-09 Roger Sayle <roger@eyesopen.com>
5092 * fold-const.c (fold_comparison): Remove compile-time evaluation of
5093 complex constant equality/inequality comparisons for here.
5094 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5095 known at compile-time or can be simplified to a scalar comparison.
5096 (fold_relational_const): Move compile-time evaluation of complex
5097 constant equality/inequality comparisons to here.
5099 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5101 PR rtl-optimization/30643
5102 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5104 (fold_rtx): Recurse, like before 2006-11-03.
5106 2007-03-09 DJ Delorie <dj@redhat.com>
5108 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5111 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
5113 PR tree-optimization/30375
5114 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5115 LHS of statements is not the same.
5116 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5118 2007-03-09 Chao-ying Fu <fu@mips.com>
5120 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5122 * doc/invoke.texi (-mdspr2): Document new option.
5123 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5124 New unspec for DSP REV 2.
5125 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5126 these instructions are extended in DSP REV 2.
5127 (mips-dspr2.md): Include.
5128 * config/mips/mips.opt (mdspr2): New option.
5129 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5130 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5131 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5132 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5133 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5134 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
5135 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5137 (bdesc_map): Add one field of unsupported_target_flags.
5138 (bdesc_arrays): Update entries to have extra fields. Add
5140 (mips_init_builtins): Initialize new function types.
5141 Check unsupported_target_fileds to filter out builtins.
5142 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5144 (ASM_SPEC): Pass mdspr2 to the assembler.
5145 * config/mips/mips-dspr2.md: New file.
5147 2007-03-09 Sa Liu <saliu@de.ibm.com>
5149 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5151 2007-03-09 Ian Lance Taylor <iant@google.com>
5153 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5154 argument) like -Wstrict-overflow=2.
5155 * doc/invoke.texi (Warning Options): Update documentation.
5157 2007-03-09 Dirk Mueller <dmueller@suse.de>
5160 * doc/invoke.texi (-Wlogical-op): Document.
5161 * common.opt (-Wlogical-op): New.
5162 * c-common.h (warn_logical_operator): Declare.
5163 * c-common.c (warn_logical_operator): Define.
5164 * c-typeck.c (parser_build_binary_op): Call
5165 warn_logical_operator.
5167 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5169 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5170 * final.c (final_scan_insn): Test for non-"" file name.
5172 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
5174 * doc/loop.texi: Document the Omega linear constraints solver.
5175 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5176 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5177 omega-hash-table-size, omega-max-keys, and
5178 omega-eliminate-redundant-constraints.
5179 * tree-pass.h (pass_check_data_deps): Declared.
5182 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5183 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5184 pass_check_data_deps): New.
5185 * tree-data-ref.c (init_data_ref): Remove declaration.
5186 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5187 (analyze_array): Renamed init_array_ref, move up initializations.
5188 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
5189 Removed arguments that are set to NULL.
5190 (analyze_indirect_ref): Correct indentation, correct call to
5192 (object_analysis): Call init_array_ref instead of analyze_array.
5193 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5194 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5195 of DR_ACCESS_FNS_ADDR.
5196 (init_omega_eq_with_af, omega_extract_distance_vectors,
5197 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5198 ddr_consistent_p): New.
5199 (compute_affine_dependence): Check consistency of ddrs when
5200 flag_check_data_deps is passed.
5201 (analyze_all_data_dependences): Uncomment.
5202 (tree_check_data_deps): New.
5203 * tree-data-ref.h: Include omega.h.
5204 (DR_ACCESS_FNS_ADDR): Removed.
5205 (data_dependence_relation): Add inner_loop.
5206 (DDR_INNER_LOOP): New.
5207 * common.opt (fcheck-data-deps): New.
5208 * tree-flow.h (tree_check_data_deps): Declare.
5209 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5210 (OBJS-common): Depend on omega.o.
5212 * passes.c (pass_check_data_deps): Scheduled.
5213 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5214 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5215 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5216 PARAM_VECT_MAX_VERSION_CHECKS,
5217 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5219 2007-03-09 Richard Guenther <rguenther@suse.de>
5221 PR tree-optimization/30904
5223 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5224 the same way as *_DIV_EXPR.
5226 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5228 * recog.c (decode_asm_operands): No mixed declarations and code.
5230 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5232 * rtl.def (ASM_INPUT): Add location.
5233 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5234 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5235 (decode_asm_operands): Add loc operand.
5236 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5237 * stmt.c (expand_asm): Rename to...
5238 (expand_asm_loc): ... this. Add locus argument. Pass it on to
5239 gen_rtx_ASM_INPUT_loc.
5240 (expand_asm_expr): Adjust.
5241 * recog.c (decode_asm_operands): Add loc operand.
5242 (check_asm_operands, extract_insn): Adjust.
5243 * reload1.c (maybe_fix_stack_asms): Likewise.
5244 * final.c (asm_insn_count): Likewise.
5245 (final_scan_insn): Output # line before and after asm.
5247 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
5249 * tree-ssa-structalias.c (variable_info): Remove
5251 (new_var_info): Ditto.
5252 (shared_bitmap_info_t): New structure.
5253 (shared_bitmap_table): New variable.
5254 (shared_bitmap_hash): New function.
5255 (shared_bitmap_eq): Ditto
5256 (shared_bitmap_lookup): Ditto.
5257 (shared_bitmap_add): Ditto.
5258 (merge_smts_into): Change to take bitmap directly.
5259 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5260 (init_alias_vars): Init shared bitmap hashtable.
5261 (delete_points_to_sets): Delete shared bitmap hashtable.
5262 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5263 is_aliased removal as a change that was still necessary was
5266 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
5268 * config/i386/i386.h (override_options): Conditionally disable
5269 x86_sahf for 64bit targets only.
5271 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
5274 * c-decl.c (merge_decls): Don't call make_var_volatile.
5275 * varasm.c (make_var_volatile): Remove.
5276 * output.h (make_var_volatile): Remove.
5278 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
5280 PR tree-optimization/31085
5281 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5283 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5285 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5286 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5287 ATTR_CONST_NOTHROW_LIST.
5289 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5292 2007-03-08 Diego Novillo <dnovillo@redhat.com>
5294 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5296 2007-03-08 Geoffrey Keating <geoffk@apple.com>
5299 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5301 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5302 passed, use shared libgcc.
5304 2007-03-08 Roger Sayle <roger@eyesopen.com>
5306 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5307 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5308 (honor_protect_cleanup_actions, lower_try_finally_switch):
5310 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5311 ifc_temp_var): Likewise.
5312 * tree-inline.c (setup_one_parameter): Likewise.
5313 * tree-mudflap.c (mf_decl_cache_locals,
5314 mf_build_check_statement_for): Likewise.
5315 * tree-nested.c (init_tmp_var, save_tmp_var,
5316 finalize_nesting_tree_1): Likewise.
5317 * tree-outof-ssa.c (insert_copy_on_edge,
5318 insert_backedge_copies): Likewise.
5319 * tree-profile.c (tree_gen_edge_profiler,
5320 tree_gen_ic_profiler): Likewise.
5321 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5322 * tree-sra.c (sra_build_assignment): Likewise.
5323 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5324 * tree-ssa-math-opts.c (insert_reciprocals,
5325 execute_cse_sincos_1): Likewise.
5326 * tree-tailcall.c (adjust_accumulator_values,
5327 adjust_return_value): Likewise.
5328 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5329 * tree-vect-transform.c (vect_create_data_ref_ptr,
5330 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5331 vect_create_epilog_for_reduction, vectorizable_reduction,
5332 vectorizable_call, vectorizable_conversion,
5333 vectorizable_assignment, vectorizable_operation,
5334 vectorizable_type_demotion, vect_gen_widened_results_half,
5335 vect_permute_store_chain, vectorizable_store,
5336 vect_setup_realignment, vect_permute_load_chain,
5337 vectorizable_load, vectorizable_condition,
5338 vect_create_cond_for_align_checks): Likewise.
5339 * tree-vrp.c (build_assert_expr_for): Likewise.
5341 2007-03-08 Ian Lance Taylor <iant@google.com>
5343 * tree-vrp.c: Include "intl.h".
5344 (usable_range_p): New static function.
5345 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5346 overflowed values, juts set *strict_overflow_p.
5347 (compare_values): Only return -2 if one of the operands is not a
5349 (compare_ranges): Call usable_range_p.
5350 (compare_range_with_value): Likewise.
5351 (vrp_evaluate_conditional_warnv): Rename from
5352 vrp_evaluate_conditional. Make static. Change all callers.
5353 (vrp_evaluate_conditional): New function.
5354 (simplify_div_or_mod_using_ranges): Issue warning about reliance
5356 (simplify_abs_using_ranges): Likewise.
5357 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5358 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5359 within_stmt parameter.
5360 * tree-ssa-propagate.c (fold_predicate_in): Update call to
5361 vrp_evaluate_conditional.
5362 * tree-ssa-threadedge.c
5363 (record_temporary_equivalences_from_stmts_at_dest): Change
5364 simplify parameter to take a second tree parameter.
5365 (simplify_control_stmt_condition): Likewise.
5366 (thread_across_edge): Likewise.
5367 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5368 (thread_across_edge): Likewise.
5369 * Makefile.in (tree-vrp.o): Depend upon intl.h.
5371 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
5373 * config/i386/i386.h (TARGET_SAHF): New define.
5374 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5375 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5376 (x86_sahf): New global variable.
5377 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
5378 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
5379 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
5380 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
5382 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5383 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5384 when expanding fcomi/sahf based tests.
5385 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5386 expanding sahf based alternative. Emit sahf based sequence when
5387 optimizing for code size.
5388 * config/i386/i386.md (x86_sahf_1): Do not disable for
5389 TARGET_64BIT, enable for TARGET_SAHF.
5391 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
5393 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5394 spurious whitespace from error message.
5396 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
5399 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5401 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
5403 * c-decl.c (grokdeclarator): Disable warnings for anonymous
5405 * tree-sra.c (instantiate_element): Propagate disabled warnings
5406 from the element itself to the created variable.
5408 2007-03-07 Richard Henderson <rth@redhat.com>
5411 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5412 silently fix up the stack in the case of a missing register.
5414 2007-03-07 Paul Brook <paul@codesourcery.com>
5416 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5418 2007-03-07 Joseph Myers <joseph@codesourcery.com>
5420 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5422 (phase1_vrs): Use them.
5423 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5424 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5425 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5426 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5427 __gnu_Unwind_Restore_WMMXC if required.
5428 (_Unwind_VRS_Pop): Implement iWMMXt support.
5429 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5430 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5431 gnu_Unwind_Save_WMMXC): Define.
5433 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5435 * config/vxworks.h (vxworks_override_options): Declare.
5436 (VXWORKS_OVERRIDE_OPTIONS): Use it.
5437 * config/vxworks.c: Include target.h and toplev.h.
5438 (vxworks_override_options): New function.
5439 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5441 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
5443 * config/s390/s390.c (override_options): Don't emit an error when
5444 -mstack-size is used without providing -mstack-guard.
5445 (s390_emit_prologue): Choose stack_guard value automatically if not
5446 provided via command line.
5447 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5449 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5451 * config/i386/i386.c (output_set_got): Add a GOT initialization
5452 sequence for VxWorks PIC.
5453 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5454 around labels as well as symbols. Use gotoff_operand instead
5455 of local_symbolic_operand.
5456 (legitimize_pic_address): Use gotoff_operand instead of
5457 local_symbolic_operand. Use @GOT accesses for labels as
5459 (ix86_output_addr_diff_elt): Use PC-relative rather than
5460 GP-relative offsets for VxWorks PIC.
5461 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5462 no_new_pseudos. Check whether the returned register is op0.
5463 * config/i386/i386.md (tablejump): Use PC-relative rather than
5464 GP-relative offsets for VxWorks PIC.
5465 * config/i386/predicates.md (gotoff_operand): New predicate.
5467 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5469 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5471 * config/vxworks-dummy.h: New file.
5472 * config/i386/i386.h: Include it.
5474 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
5476 * dwarf2out.c (is_inlined_entry_point): New
5477 (add_high_low_attributes): Emit DW_AT_entry_pc along with
5478 DW_AT_ranges if the first subblock is the entry point.
5480 2007-03-06 David Daney <ddaney@avtrex.com>
5482 * doc/install.texi (mips-*-*): Change recommended binutils
5485 2007-03-06 Anatoly Sokolov <aesok@post.ru>
5487 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5488 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5490 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5491 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5493 2007-03-06 Jan Hubicka <jh@suse.cz>
5495 * errors.h (warning, error, fatal, internal_error): Mark as cold.
5496 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5498 (probably_cold_bb_p): Cold functions are cold.
5499 (probably_never_executed_bb_p): Cold functions are cold.
5500 (tree_bb_level_predictions): Predict calls to cold functions as not
5502 (compute_function_frequency): Check hot/cold attributes.
5503 * function.h (function_frequency): Update comments.
5504 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5505 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5506 (c_common_att): Add cold and hot.
5508 * doc/extend.texi (hot,cold attributes): Document.
5510 2007-03-06 Andrew Haley <aph@redhat.com>
5512 * function.c (expand_function_end): Move blockage to just after we
5513 emit the label for the naked return from the function.
5515 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5517 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5520 2007-03-06 Jan Hubicka <jh@suse.cz>
5522 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5523 loaded for constant large models. Non-large 64bit PIC can do.
5524 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5525 * cmodel.h: Add LARGE PIC.
5526 * i386.md (UNSPEC_PLTOFF): New.
5527 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5529 (*call_1_rex64): Disable for large models.
5530 (*call_1_rex64_large): New.
5531 (*call_value_1_rex64): Disable for large models.
5532 (*call_value_1_rex64_large): New.
5533 (set_rip_rex4): New.
5534 (set_got_offset_rex64): New.
5535 * predicates.md (constant_call_address_operand): For large model
5536 constant calls are not possible.
5537 * i386-protos.h (construct_plt_address): Declare.
5538 * i386.c (override_options): Accept large models.
5539 (ix86_expand_prologue): Expand large PIC GOT pointer load.
5540 (legitimate_constant_p): Add new UNSPECs.
5541 (legitimate_pic_operand_p): Likewise.
5542 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5543 (legitimize_pic_address): Do easy RIP relative way for TLS only for
5545 (output_pic_addr_const): Add PLTOFF.
5546 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5547 (ix86_expand_move): Legitimize pic address when in PIC mode.
5548 (construct_plt_address): New function.
5549 (ix86_expand_call): Offload the address to register and use GOT pointer
5551 * invoke.texi (mcmodel=large): Update documentation.
5553 2007-03-06 Richard Henderson <rth@redhat.com>
5555 * config/i386/i386.c (x86_use_leave, x86_push_memory,
5556 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5557 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5558 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5559 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5560 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5561 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5562 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5563 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5564 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5565 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5566 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5567 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5568 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5569 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5570 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5571 x86_schedule, x86_use_bt, x86_pad_returns,
5572 x86_use_xchgb): Merge into ...
5573 (ix86_tune_features): ... here. New array.
5574 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5575 x86_bswap): Merge into ...
5576 (ix86_arch_features): ... here. New array.
5577 (x86_3dnow_a): Remove.
5578 (x86_accumulate_outgoing_args): Make static.
5579 (x86_arch_always_fancy_math_387): Make static.
5580 (ix86_tune_mask, ix86_arch_mask): Move ...
5581 (override_options): ... to local variables here. Apply the
5582 appropriate mask to each element of ix86_arch_features and
5583 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
5584 as were done in the old macros.
5585 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5586 * config/i386/i386.h (x86_use_leave, x86_push_memory,
5587 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5588 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5589 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5590 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5591 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5592 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5593 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5594 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5595 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5596 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5597 x86_accumulate_outgoing_args, x86_prologue_using_move,
5598 x86_epilogue_using_move, x86_decompose_lea,
5599 x86_arch_always_fancy_math_387, x86_shift1,
5600 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5601 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5602 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5603 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5604 x86_use_incdec, x86_pad_returns, x86_bswap,
5605 x86_partial_flag_reg_stall): Remove.
5606 (enum ix86_tune_indices): New.
5607 (ix86_tune_features): New.
5608 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5609 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5610 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5611 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5612 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5613 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5614 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5615 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5616 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5617 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5618 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5619 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5620 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5621 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5622 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5623 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5624 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5625 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5626 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5627 TARGET_EXT_80387_CONSTANTS): Use it.
5628 (enum ix86_arch_indices): New.
5629 (ix86_arch_features): New.
5630 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5631 TARGET_BSWAP): Use it.
5632 (ix86_tune_mask, ix86_arch_mask): Remove.
5634 2007-03-06 Joseph Myers <joseph@codesourcery.com>
5637 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5638 Define using $${sysroot_headers_suffix}.
5639 * configure: Regenerate.
5640 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5641 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5643 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5644 * gcc.c (print_sysroot_headers_suffix): New.
5645 (option_map): Include --print-sysroot-headers-suffix.
5646 (display_help): Mention -print-sysroot-headers-suffix.
5647 (process_command): Handle -print-sysroot-headers-suffix.
5648 (do_spec_1): Append multilib directory to include-fixed path if
5649 sysroot suffixes in use.
5650 (main): Handle -print-sysroot-headers-suffix.
5651 * Makefile.in (start.encap): Don't depend on xlimits.h
5652 (xlimits.h): Remove.
5653 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
5654 limits.h for each multilib in fixinc_list.
5655 (fixinc_list, s-fixinc_list): New.
5656 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
5657 generate them for each multilib in fixinc_list.
5658 (stmp-fixproto): Use include-fixed. Run fixproto for each
5659 multilib in fixinc_list.
5660 (mostlyclean): Don't remove xlimits.h.
5661 (clean): Remove include-fixed.
5662 (real-install-headers-tar, real-install-headers-cpio,
5663 real-install-headers-cp): Don't copy include, only include-fixed.
5664 (install-mkheaders): Depend on fixinc_list. Don't depend on
5665 xlimits.h. Save limits.h files for each multilib in fixinc_list.
5666 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
5667 SYSTEM_HEADER_DIR setting in mkheaders.conf.
5669 2007-03-06 Jan Hubicka <jh@suse.cz>
5671 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5674 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5676 * configure.ac: Allow tm_file to contain build-directory files.
5677 * configure: Regenerate.
5678 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5679 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5680 * config/m68k/print-sysroot-suffix.sh: New file.
5682 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5684 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5685 of pic_offset_table_rtx if reload_completed.
5686 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5687 PIC_OFFSET_TABLE_REGNUM.
5688 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5690 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5691 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
5693 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5695 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5696 functions that call eh_return.
5698 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5700 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5701 functions that need a constant pool.
5703 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5706 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5707 (m68k_preferred_reload_class): Likewise.
5708 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5709 (SECONDARY_RELOAD_CLASS): Define.
5710 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5711 (LIMIT_RELOAD_CLASS): Delete.
5712 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5713 registers from storing bytes.
5714 (m68k_secondary_reload_class): New function.
5715 (m68k_preferred_reload_class): Likewise.
5717 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5719 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5721 (m68k_expand_prologue): Likewise.
5723 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5725 * config/m68k/m68k-protos.h (output_sibcall): Declare.
5726 (mips_expand_epilogue): Add a bool parameter.
5727 (m68k_legitimize_sibcall_address): Declare.
5728 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5729 (m68k_expand_epilogue): Add a parameter to select between sibling
5730 and normal epilogues. Only generate a return for the latter.
5731 (m68k_ok_for_sibcall_p): New function.
5732 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5733 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5734 (sibcall_value, *sibcall_value): Likewise.
5735 (*call, *call_value): Require !SIBLING_CALL_P.
5736 (epilogue): Update call to m68k_expand_epilogue.
5737 (sibcall_epilogue): New pattern.
5738 * config/m68k/predicates.md (const_call_operand): Say that this
5739 predicate applies to sibling calls too.
5740 (sibcall_operand): New predicate.
5742 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5744 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5745 alternatives as movsi_cf.
5746 (movsf_cf_hard): Add commentary.
5748 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
5749 Richard Sandiford <richard@codesourcery.com>
5751 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5752 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5753 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5754 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
5755 as being live on exit from an interrupt function.
5756 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5757 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5758 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5759 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5760 (m68k_interrupt_function_p): Globalize.
5761 (m68k_compute_frame_layout): Remove reverse mask code.
5762 (m68k_emit_movem, m68k_set_frame_related): New functions.
5763 (m68k_output_function_prologue): Delete in favor of...
5764 (m68k_expand_prologue): ...this new function.
5765 (m68k_output_function_epilogue): Delete in favor of...
5766 (m68k_expand_epilogue): ...this new function.
5767 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5769 (print_operand): Handle %?.
5770 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5771 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5772 (prologue, epilogue): New patterns.
5773 (return): Turn into a define_expand.
5774 (*return): New pattern, derived from old "return" pattern. Use rte
5775 rather than rts for interrupt functions. Only use rtd if the pop
5777 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5778 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5779 (link, *link, unlink, *unlink, load_got): Likewise.
5781 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5785 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5786 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5787 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5788 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5789 and m68k_matches_u_p.
5790 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5791 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5792 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5793 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5794 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5795 (REG_STRICT_P): New macro.
5796 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5797 PCREL_GENERAL_OPERAND_OK.
5798 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
5799 m68k_legitimate_base_reg_p.
5800 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5801 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5802 (PIC_CASE_VECTOR_ADDRESS): Update comment.
5803 * config/m68k/m68k.c (m68k_address): New structure.
5804 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5805 (m68k_decompose_index, m68k_legitimate_constant_address_p)
5806 (m68k_jump_table_ref_p, m68k_decompose_address)
5807 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5808 (m68k_matches_u_p): New functions.
5809 (print_operand_address): Rewrite to use m68k_decompose_index.
5811 2007-03-05 David Taylor <dtaylor@emc.com>
5813 * gcc.c: Correct copyright date in --version output.
5815 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5817 * pa.md: In unamed move patterns, disparge copies between general
5818 and floating point registers using '?' modifier. Don't include 'f'
5819 constraint for register preferences in DImode, SImode, HImode and
5820 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
5821 Remove constraints for copies between general and floating registers
5822 in soft-float DFmode pattern.
5823 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5827 2007-03-05 Mike Stump <mrs@apple.com>
5829 * c-common.c (targetcm): Add.
5830 * c-opts.c (c_common_handle_option): Handle language specific
5832 * opts.c (handle_option): Verify language for target options, if
5834 * opth-gen.awk: Add CL_LANG_ALL.
5835 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5836 (TARGETCM_INITIALIZER): Add.
5837 * target.h (struct gcc_targetcm): Add.
5839 * targhooks.c (default_handle_c_option): Add.
5840 * targhooks.h (default_handle_c_option): Add.
5841 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5843 * config/darwin.opt (iframework): Add.
5844 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5845 * config/darwin-c.c (handle_c_option): Add.
5846 (TARGET_HANDLE_C_OPTION): Add.
5848 * doc/invoke.texi (Darwin Options): Add -iframework.
5850 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5855 2007-03-05 Ian Lance Taylor <iant@google.com>
5857 * c.opt (fgnu89-inline): New option.
5858 * c-opts.c (c_common_post_options): Set default value for
5860 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5861 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5863 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5864 (grokdeclarator, start_function): Likewise.
5865 * c-cppbuiltin.c (c_cpp_builtins): Define either
5866 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5867 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5868 (C Dialect Options): Document -fgnu89-inline.
5869 * doc/extend.texi (Function Attributes): Explain what the
5870 gnu_inline attribute does.
5871 * doc/cpp.texi (Common Predefined Macros): Document
5872 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5874 2007-03-05 Ian Lance Taylor <iant@google.com>
5876 PR tree-optimization/31034
5877 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5878 half-range if the other side is an overflow infinity.
5880 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
5882 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5883 (bfin*-linux-uclibc*): New configuration.
5884 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5886 * config/bfin/linux.h: New file.
5887 * config/bfin/libgcc-bfin.ver: New file.
5888 * config/bfin/t-bfin-uclinux: New file.
5889 * config/bfin/t-bfin-linux: New file.
5890 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5891 (TARGET_OS_CPP_BUILTINS): New macro.
5893 2007-03-05 Richard Guenther <rguenther@suse.de>
5895 * fold-const.c (fold_binary): Remove duplicate folding
5896 of comparison of non-null ADDR_EXPR against null.
5898 2007-03-05 Richard Guenther <rguenther@suse.de>
5899 Dorit Nuzman <dorit@il.ibm.com>
5901 PR tree-optimization/26420
5902 * tree-vectorizer.c (vectorize_loops): Bail out early if there
5903 are no loops in the function. Only print the number of
5904 vectorized loops if it is greater than zero or we are supposed
5905 to print information about unvectorized loops.
5907 2007-03-05 Revital Eres <eres@il.ibm.com>
5909 * gcc.dg/var-expand1.c: New test.
5910 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5911 when an accumulator is expanded.
5913 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5916 * c-common.c (convert_and_check): Don't give warnings for
5917 conversion if 'expr' already overflowed.
5919 2007-03-04 Roger Sayle <roger@eyesopen.com>
5922 * fold-const.c (fold_comparison): Enforce type consistency when
5923 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5925 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
5927 * tree-ssa-address.c (create_mem_ref): Do not put an expression
5928 containing a cast to the base of TARGET_MEM_REF.
5930 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
5932 * tree.c (tree_contains_struct_check_failed): Remove spurious
5933 whitespace from error message.
5935 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5938 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5939 instead of precision.
5941 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
5942 Nathan Sidwell <nathan@codesourcery.com>
5944 * emit-rtl.c (find_auto_inc): New.
5945 (try_split): recreate REG_INC notes,
5946 Use regular for loops rather than whiles.
5948 2007-03-03 Andreas Schwab <schwab@suse.de>
5950 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5951 * configure: Regenerate.
5953 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5955 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5956 flag_rounding_math, not flag_unsafe_math_optimizations.
5958 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5960 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5961 alpha_fold_vector_minmax): Likewise.
5962 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5963 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5965 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5967 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5968 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5969 if the lhs has side-effects.
5970 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5972 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5974 * config/i386/i386.h (TUNEMASK): Remove define.
5975 (ARCHMASK): Remove define.
5976 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5977 Use ix86_arch_mask variable instead of ARCHMASK.
5978 * config/i386/i386.c (override_options): Ditto.
5979 (standard_80387_constant_p): Ditto.
5981 2007-03-02 Ian Lance Taylor <iant@google.com>
5983 Used signed infinities in VRP.
5984 * tree-vrp.c (uses_overflow_infinity): New static function.
5985 (supports_overflow_infinity): New static function.
5986 (make_overflow_infinity): New static function.
5987 (negative_overflow_infinity): New static function.
5988 (positive_overflow_infinity): New static function.
5989 (is_negative_overflow_infinity): New static function.
5990 (is_positive_overflow_infinity): New static function.
5991 (is_overflow_infinity): New static function.
5992 (overflow_infinity_range_p): New static function.
5993 (compare_values_warnv): New function split out of compare_values.
5994 (compare_value): Call it.
5995 (set_value_range_to_nonnegative): Add overflow_infinity
5996 parameter. Change caller.
5997 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5999 (vrp_expr_computes_nonzero): Likewise.
6000 (compare_ranges, compare_range_with_value): Likewise.
6001 (compare_name_with_value, compare_names): Likewise.
6002 (vrp_evaluate_conditional): Likewise.
6003 (set_value_range): Handle infinity
6004 (vrp_operand_equal_p, operand_less_p): Likewise.
6005 (extract_range_from_assert): Likewise.
6006 (vrp_int_const_binop): Likewise.
6007 (extract_range_from_binary_expr): Likewise.
6008 (extract_range_from_unary_expr): Likewise.
6009 (extract_range_from_comparison): Likewise.
6010 (extract_range_from_expr): Likewise.
6011 (dump_value_range): Likewise.
6012 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6013 (test_for_singularity): Likewise.
6014 (vrp_int_const_binop): Remove inline qualifier.
6015 (adjust_range_with_scev): Add comment.
6016 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6018 2007-03-02 Diego Novillo <dnovillo@redhat.com>
6020 * tree-ssa-structalias.c (could_have_pointers): Tidy.
6021 (get_constraint_for): Likewise.
6022 (do_structure_copy): Likewise.
6023 (find_func_aliases): Fix references to MODIFY_EXPR.
6024 (intra_create_variable_infos): Tidy.
6025 * tree-ssa-operands.c (add_virtual_operand): Add argument
6027 When adding members of alias sets, if IS_CALL_SITE is true and
6028 the symbol is not call-clobbered, skip it.
6031 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
6033 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6034 entry by means of emit_insn_at_entry.
6036 2007-03-02 Richard Henderson <rth@redhat.com>
6038 * expr.h (promoted_input_arg): Remove decl.
6039 * function.c (promoted_input_arg): Merge into ...
6040 * combine.c (setup_incoming_promotions): ... only caller.
6041 Rearrange to avoid double loop.
6043 2007-03-02 Ben Elliston <bje@au.ibm.com>
6044 Peter Bergner <bergner@vnet.ibm.com>
6045 Janis Johnson <janis187@us.ibm.com>
6047 * config/rs6000/dfp.md: New file.
6048 * config/rs6000/rs6000.md: Include dfp.md.
6049 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6050 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6051 and TDmode decimal float modes in FP registers.
6052 (num_insns_constant): Likewise.
6053 (rs6000_legitimate_offset_address_p): Likewise.
6054 (rs6000_legitimize_address): Likewise.
6055 (rs6000_legitimize_reload_address): Likewise.
6056 (rs6000_legitimate_address): Likewise.
6057 (rs6000_emit_move): Likewise.
6058 (function_arg_boundary): Likewise.
6059 (function_arg_advance): Likewise.
6060 (rs6000_darwin64_record_arg_recurse): Likewise.
6061 (function_arg): Likewise.
6062 (rs6000_gimplify_va_arg): Likewise.
6063 (rs6000_split_multireg_move): Likewise.
6064 (rs6000_output_function_epilogue): Likewise.
6065 (rs6000_output_function_epilogue): Likewise.
6066 (rs6000_register_move_cost): Likewise.
6067 (rs6000_function_value): Likewise.
6068 (rs6000_libcall_value): Likewise.
6070 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6072 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6074 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6076 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6077 Use $MULTIDIR to choose between the kernel and RTP headers,
6078 and use $WIND_BASE and $WIND_USR to locate them.
6080 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6082 * config/i386/i386.c (override_options): Put initialization of
6083 ix86_tune_mask and ix86_arch_mask to the correct place.
6085 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6086 Michael Meissner <michael.meissner@amd.com>
6089 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6091 (TARGET_CMOVE): Use ARCHMASK.
6092 (TARGET_CMPXCHG): Ditto.
6093 (TARGET_CMPXCHG8B): Ditto.
6094 (TARGET_XADD): Ditto.
6095 (TARGET_BSWAP): Ditto.
6096 * config/i386/i386.c (ix86_tune_mask): New global variable.
6097 (ix86_arch_mask): Ditto.
6098 (override_options): Initialize ix86_tune_mask and
6099 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6102 2007-03-02 Ben Elliston <bje@au.ibm.com>
6105 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6107 2007-03-02 Joseph Myers <joseph@codesourcery.com>
6109 * target.h (init_dwarf_reg_sizes_extra): New target hook.
6110 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6111 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6112 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6114 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6115 rs6000_init_dwarf_reg_sizes_extra): New.
6116 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6117 SPE register high parts.
6119 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
6121 * Makefile.in: Add install-pdf target as
6122 copied from automake v1.10 rules.
6123 * configure.ac: Add install-pdf to target list.
6124 * configure: Regenerate.
6126 2007-03-01 Paul Brook <paul@codesourcery.com>
6128 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6129 modes to LDRD for DImode.
6130 (output_move_double): Fixup out of range ldrd/strd.
6131 (vfp_secondary_reload_class): Rename...
6132 (coproc_secondary_reload_class): ... to this. Add wb argument.
6133 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6134 coproc_secondary_reload_class for CLASS_IWMMXT.
6135 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6136 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6138 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
6140 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
6141 factor by the estimated number of iterations.
6142 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6145 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6146 decode_caches_intel, detect_caches_intel): New functions.
6147 (host_detect_local_cpu): Use detect_caches_amd and
6148 detect_caches_intel.
6150 2007-03-01 Richard Henderson <rth@redhat.com>
6152 * expr.c (emit_move_complex_push): Export.
6153 (emit_move_complex_parts): Split out from ...
6154 (emit_move_complex): ... here.
6155 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6156 * config/i386/i386.md (movcdi): New.
6158 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
6160 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6161 size of mode1 to check for tieable modes in MMX case.
6163 2007-03-01 Richard Sandiford <richard@codesourcery.com>
6165 * Makefile.in (rtlanal.o): Depend on tree.h.
6166 * rtl.h (offset_within_section_p, split_const): Declare.
6167 * rtlanal.c: Include tree.h.
6168 (offset_within_block_p): New function, taken from
6169 mips_offset_within_object_p.
6170 (split_const): New function, taken from mips_split_const.
6171 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6173 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6174 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6175 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6176 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6177 (m68k_illegitimate_symbolic_constant_p): New function.
6178 * config/m68k/m68k.md (movsi): Remove misleading predicates.
6179 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6180 symbolic constant that might be outside the symbol's section,
6181 move the symbol first and then add the offset.
6182 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6184 * config/mips/mips.c (mips_split_const): Delete.
6185 (mips_offset_within_object_p): Delete.
6186 (mips_symbolic_constant_p): Use offset_within_section_p and
6187 split_const instead of mips_offset_within_object_p and
6189 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6190 (mips_legitimize_const_move, print_operand_reloc)
6191 (mips_dangerous_for_la25_p): Use split_const instead of
6194 2007-02-28 Eric Christopher <echristo@apple.com>
6196 * Makefile.in (install-include-dir): Don't rm -rf include.
6198 2007-02-28 Richard Guenther <rguenther@suse.de>
6201 * fold-const.c (fold_binary): Do not associate expressions
6202 with more than one variable for integer types that do not wrap.
6204 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
6206 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6207 Delete, and replace with...
6208 (fold_builtin_call_array): This. Update callers to use it.
6209 * fold-const.c (fold_build_call_list): Delete, and replace with...
6210 (fold_build_call_array): This.
6211 (fold_build_call_list_initializer): Delete, and replace with...
6212 (fold_build_call_array_initializer): This.
6213 * tree.h: Update declarations to reflect above changes.
6215 * c-typeck.c (build_function_call): Store converted arguments
6216 in a stack-allocated array instead of building a list.
6217 (convert_arguments): Store arguments in the array passed in as an
6218 argument, and return the actual number of arguments.
6219 * c-format.c: (check_function_format): Pass arguments in an
6220 array instead of a list.
6221 * c-common.c (check_function_nonnull): Likewise.
6222 (check_function_sentinel): Likewise.
6223 (check_function_arguments): Likewise.
6224 * c-common.h: Update declarations to reflect above changes.
6226 2007-02-28 Jan Hubicka <jh@suse.cz>
6228 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6229 PRED_NEGATIVE_RETURN): Update outcomes.
6231 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
6233 * calls.c (emit_library_call_value_1): Handle partial registers
6234 correctly when building up CALL_INSN_FUNCTION_USAGE.
6236 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6238 * pa/predicates.md (move_src_operand): Allow zero for mode.
6239 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6242 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
6245 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6246 *movv2df_internal): Enable pattern only for valid operand
6248 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6249 tie only 128bit modes. For MMX registers, tie only 64bit modes.
6251 2007-02-27 Mike Stump <mrs@apple.com>
6253 * config/darwin-crt3.c: Avoid compilation when compiling for a
6256 2007-02-27 Joseph Myers <joseph@codesourcery.com>
6258 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6260 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6261 for fixed headers and limits.h.
6262 (install-include-dir, install-headers-tar, install-headers-cpio,
6263 install-headers-cp, real-install-headers-tar,
6264 real-install-headers-cpio, real-install-headers-cp): Handle
6265 include-fixed as well as include.
6266 (install-mkheaders): Don't install files that go only in include
6268 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6269 from GCC_INCLUDE_DIR.
6270 * gcc.c (process_command): Remove special -BstageN/ handling.
6271 (do_spec_1): Add include-fixed directories.
6273 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6275 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6277 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6279 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6282 2007-02-27 Mark Mitchell <mark@codesourcery.com>
6284 * c-common.c (get_priority): Add check for
6285 SUPPORTS_INIT_PRIORITY.
6287 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6289 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6291 * config/bfin/bfin.c: Include "cfglayout.h".
6292 (MAX_LSETUP_DISTANCE): New macro.
6293 (struct loop_info): New members incoming, incoming_src and
6294 incoming_dest. Delete member predecessor.
6295 (length_for_loop): New function.
6296 (bfin_optimize_loop): Handle more different loop structures.
6297 (bfin_discover_loop): Rework detection of predecessor blocks by
6298 examining incoming edges.
6299 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6301 (bfin_reorder_loops): New function.
6302 (bfin_reorg_loops): Use these three new functions.
6304 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6305 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6306 (CONSTRAINT_LEN): Add entry for 'q'.
6307 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6308 Add 'q' constraints.
6309 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6310 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6312 * config/bfin/bfin.md (add_with_carry): New pattern.
6313 (s_or_u, su_optab, su_modifier): New code macros/attrs.
6314 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6315 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6316 support unsigned multiplies too. Removed incorrect commutativity from
6317 operand 1 constraint where appropriate.
6318 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6320 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6321 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6323 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6324 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6325 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6326 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6327 usmulhisi_hh_huh): New patterns.
6329 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6330 lshifthi3): Fix output template to use half reg for operand 2.
6332 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6335 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6337 2007-02-27 Andreas Schwab <schwab@suse.de>
6339 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6341 2007-02-27 Jan Hubicka <jh@suse.cz>
6343 * predict.c (last_basic_block_p): Remove.
6344 (tree_estimate_probability): Update return heuristic for commonized
6347 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6349 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6351 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6353 * doc/include/gcc-common.texi (versionsubtitle): New macro.
6354 * doc/cpp.texi: Standardize title page.
6355 * doc/cppinternals.texi: Likewise.
6356 * doc/gcc.texi: Standardize title page, remove version number
6357 from copyright page.
6358 * doc/gccint.texi: Likewise.
6359 * doc/install.texi: Standardize title page, add table of
6362 2007-02-26 Jan Hubicka <jh@suse.cz>
6364 * predict.def: Set outcomes according to more recent results.
6365 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6366 Remove dead predictors.
6367 * predict.c (return_prediction): Fix pasto.
6369 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6371 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6372 change; avoid a memory leak when returning early.
6374 2007-02-26 Mark Mitchell <mark@codesourcery.com>
6376 * c-decl.c (static_ctors): Move to c-common.c.
6377 (static_dtors): Likewise.
6378 (finish_function): Use c_record_cdtor_fn.
6379 (build_cdtor): Move to c-common.c.
6380 (c_write_global_declarations): Use c_build_cdtor_fns.
6381 * c-common.h (static_ctors): Declare.
6382 (static_dtors): Likewise.
6383 (c_record_cdtor_fn): Likewise.
6384 (c_build_cdtor_fns): Likewise.
6385 * c-common.c (static_ctors): New variable.
6386 (static_dtors): Likewise.
6387 (c_record_cdtor_fn): New function.
6388 (build_cdtor): Move from c-decl.c
6389 (c_build_cdtor_fns): New function.
6391 * output.h (assemble_addr_to_section): Declare.
6392 (get_cdtor_priority_section): Likewise.
6393 * varasm.c (assemble_addr_to_section): New function.
6394 (get_cdtor_priority_section): Likewise.
6395 (default_named_section_asm_out_destructor): Use them.
6396 (destor_dtor_section_asm_out_destructor): Likewise.
6397 (default_named_section_asm_out_constructor): Likewise.
6398 (default_ctor_section_asm_out_constructor): Likewise.
6399 * config.gcc (*-*-vxworks*): Include vxworks.o.
6400 * config/t-vxworks (vxworks.o): New target.
6401 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6402 (TARGET_ASM_CONSTRUCTOR): Define.
6403 (TARGET_ASM_DESTRUCTOR): Likewise.
6404 (vxworks_asm_out_constructor): Declare.
6405 (vxworks_asm_out_destructor): Likewise.
6407 * c-common.c (get_priority): Check that we have not just an
6408 INTEGER_CST, but an integer constant with integeral type.
6410 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
6412 PR tree-optimization/30938
6413 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6414 use &dt[nargs-1] instead of &dt[nargs] in the call to
6415 vect_is_simple_use().
6417 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
6419 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6420 from register elimination as PRE_MODIFY / POST_MODIFY increments.
6421 Do not attempt to handle MEM inside auto-inc expressions.
6422 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6423 of a register modified by an auto-inc expression. However, do handle
6424 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6425 (elimination_effects): Prohibit elimination of a register modified
6426 by an auto-inc expression. Disable register elimination rules whose
6427 target register is modified by an auto-inc expression with variable
6430 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
6432 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6434 (array_at_struct_end_p): New function.
6435 (idx_infer_loop_bounds): Use it.
6436 (estimate_numbers_of_iterations_loop): Export.
6437 * predict.c (predict_loops): Use estimated_loop_iterations_int.
6438 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6439 (tree_estimate_probability): Call record_loop_exits.
6440 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6441 (estimated_loop_iterations, estimated_loop_iterations_int,
6442 estimated_loop_iterations_tree): New functions.
6443 (analyze_siv_subscript_cst_affine,
6444 compute_overlap_steps_for_affine_1_2,
6445 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6446 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6447 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6448 (PRED_LOOP_ITERATIONS_GUESSED): New.
6449 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6450 * cfgloop.h (estimate_numbers_of_iterations_loop,
6451 estimated_loop_iterations_int): Declare.
6453 2007-02-25 Mark Mitchell <mark@codesourcery.com>
6455 * doc/extend.texi: Document optional priority argument to
6456 constructors and destructors.
6457 * tree.c (init_priority_for_decl): Adjust GTY markers.
6458 (init_ttree): Use priority-info hash functions for
6459 init_priority_for_decl.
6460 (tree_map_eq): Rename to ...
6461 (tree_map_base_eq): ... this.
6462 (tree_map_marked_p): Rename to ...
6463 (tree_map_base_marked_p): ... this.
6464 (tree_map_base_hash): New function.
6465 (decl_init_priority_lookup): Rework.
6466 (decl_fini_priority_lookup): New function.
6467 (decl_priority_info): New function.
6468 (decl_init_priority_insert): Use it.
6469 (decl_fini_priority_insert): Likewise.
6470 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6472 (decl_restrict_base_insert): Likewise.
6473 (decl_debug_expr_insert): Likewise.
6474 (decl_value_expr_lookup): Likewise.
6475 (decl_value_expr_insert): Likewise.
6476 * tree.h (priority_type): New type.
6477 (decl_init_priority_lookup): Use priority_type.
6478 (decl_fini_priority_lookup): New function.
6479 (decl_init_priority_insert): Use priority_type.
6480 (decl_fini_priority_insert): New function.
6481 (DECL_HAS_INIT_PRIORITY): Tweak comments.
6482 (DECL_INIT_PRIORITY): Likewise.
6483 (SET_DECL_INIT_PRIORITY): Add comment.
6484 (DECL_FINI_PRIORITY): New macro.
6485 (SET_DECL_FINI_PRIORITY): Likewise.
6486 (DEFAULT_INIT_PRIORITY): Document.
6487 (MAX_INIT_PRIORITY): Likewise.
6488 (MAX_RESERVED_INIT_PRIORITY): Likewise.
6489 (tree_map_base): New type.
6490 (tree_map_base_eq): New function.
6491 (tree_map_base_hash): Likewise.
6492 (tree_map_base_marked_p): Likewise.
6493 (tree_map): Inherit from tree_map_base.
6494 (tree_map_eq): Make it a macro.
6495 (tree_map_marked_p): Likewise.
6496 (tree_int_map): Inherit from tree_map_base.
6497 (tree_int_map_eq): Make it a macro.
6498 (tree_int_map_hash): Likewise.
6499 (tree_int_map_marked_p): Likewise.
6500 (tree_priority_map): New type.
6501 (tree_priority_map_eq): New macro.
6502 (tree_priority_map_hash): Likewise.
6503 (tree_priority_map_marked_p): Likewise.
6504 * varasm.c (emults_decl): Adjust for refactoring of tree_map
6506 (emutls_common_1): Likewise.
6507 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6508 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6509 of tree_map hierarchy.
6510 * tree-cfg.c (move_stmt_r): Likewise.
6511 (new_label_mapper): Likewise.
6512 * c-tree.h (c_expand_body): Move to ...
6513 * c-common.h (c_expand_body): ... here.
6514 * c-decl.c (c_expand_body): Move to ...
6515 * c-common.c (c_expand_body): ... here.
6516 (c_common_attribute_table): Allow 1 argument for the constructor
6517 and destructor attributes.
6518 (get_priority): New function.
6519 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6520 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6522 2007-02-24 Jan Hubicka <jh@suse.cz>
6525 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6527 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6528 Jan Hubicka <jh@suse.cz>
6531 * i386.c (counter_mode): New function.
6532 (expand_set_or_movmem_via_loop): Use it.
6533 (expand_movmem_epilogue): Likewise; fix pasto.
6534 (ix86_expand_movmem): Do emit guard even for constant counts.
6535 (ix86_expand_setmem): Likewise.
6537 2007-02-25 Nick Clifton <nickc@redhat.com>
6539 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6540 (JUMP_TABLES_IN_TEXT_SECTION): Define.
6542 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6545 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6546 count argument with 0x10, not with 0x16.
6547 (expand_setmem_epilogue): Ditto.
6549 2007-02-24 Mike Stump <mrs@apple.com>
6551 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6554 2007-02-24 Richard Guenther <rguenther@suse.de>
6557 * fold-const.c (fold_binary): Fold x +- CST op x for
6558 EQ_EXPR and NE_EXPR.
6560 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6562 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6564 2007-02-24 Jan Hubicka <jh@suse.cz>
6566 * cgraphunit.c (decide_is_function_needed): Honor
6567 -fkeep-inline-functions.
6569 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6571 * builtins.c (fold_builtin_modf): New.
6572 (fold_builtin_2): Use it.
6574 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
6576 * loop-iv.c (implies_p): Detect additional cases where A implies B.
6577 (determine_max_iter): Take additional LOOP arg; all callers changed.
6578 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6579 one using simplifications.
6580 (simplify_using_initial_values): Return if the expression becomes
6581 invalid due to altered regs.
6583 2007-02-23 DJ Delorie <dj@redhat.com>
6585 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6587 2007-02-23 Mike Stump <mrs@apple.com>
6589 * tlink.c (scan_linker_output): Parse linker messages from
6590 darwin9's linker better.
6592 2007-02-23 Steve Ellcey <sje@cup.hp.com>
6595 * varpool.c (varpool_assemble_pending_decls): Set
6596 varpool_last_needed_node to null.
6598 2007-02-23 DJ Delorie <dj@redhat.com>
6600 * config/i386/i386.c (ix86_data_alignment): Don't specify an
6601 alignment bigger than the object file can handle.
6603 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
6606 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6607 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6608 (*movsf_1): Penalize MMX moves.
6610 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
6612 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6613 2^32-1 or more times unless flag_unsafe_loop_optimizations.
6615 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6617 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6619 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6620 (fold_builtin_1): Use them.
6621 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6622 BUILT_IN_SIGNIFICAND.
6624 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
6626 * config/i386/i386.c (bdesc_1arg): Initialize
6627 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6628 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6629 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6630 and IX86_BUILTIN_MOVSLDUP.
6632 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
6634 PR rtl-optimization/30841
6635 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6637 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6639 * builtins.c (fold_builtin_frexp): New.
6640 (fold_builtin_2): Use it.
6642 2007-02-22 Mark Mitchell <mark@codesourcery.com>
6644 * doc/invoke.texi (Spec Files): Document getenv spec function.
6646 * gcc.c (getenv_spec_function): New function.
6647 (static_spec_functions): Add it.
6648 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6649 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6652 2007-02-22 Michael Matz <matz@suse.de
6655 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6656 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6658 2007-02-22 Ian Lance Taylor <iant@google.com>
6661 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6662 (mem_loc_descriptor): Call it.
6664 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
6665 Ira Rosen <irar@il.ibm.com>
6667 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6669 2007-02-22 Ira Rosen <irar@il.ibm.com>
6671 PR tree-optimization/30843
6672 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6673 stores only after all the group is vectorized.
6675 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
6677 PR tree-optimization/30858
6678 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6679 in the reduction cycle have a single use in the loop.
6680 * tree-vectorizer.h (relevant): Add documentation.
6682 2007-02-20 Mike Stump <mrs@apple.com>
6684 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6685 * configure: Regenerate.
6687 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
6689 Change the defaults of some parameters and options.
6690 * config/spu/spu-protos.h (spu_optimization_options): Declare.
6691 * config/spu/spu.c (spu_optimization_options): Add.
6692 (spu_override_options): Change params in spu_optimization_options.
6693 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6695 Register 127 is only 16 byte aligned when used as a frame pointer.
6696 * config/spu/spu-protos.h (spu_init_expanders): Declare.
6697 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6698 HARD_FRAME_POINTER_REGNUM.
6699 (spu_legitimate_address): Use regno_aligned_for_reload.
6700 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
6701 aligned when frame_pointer_needed is true.
6702 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
6704 * config/spu/spu.h (INIT_EXPANDERS): Define.
6706 Make sure shift and rotate instructions have valid immediate operands.
6707 * config/spu/predicates.md (spu_shift_operand): Remove.
6708 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6709 * config/spu/constraints.md (W, O): Extend range.
6710 * config/spu/spu.md (umask, nmask): Define.
6711 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6712 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6713 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6714 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6715 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
6716 (lshr<mode>3_reg): Fix rtl description.
6718 Make sure mulhisi immediate operands are valid.
6719 * config/spu/predicates.md (imm_K_operand): Add.
6720 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6722 Generate constants using fsmbi and andi.
6723 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6724 (print_operand, spu_split_immediate, classify_immediate,
6725 fsmbi_const_p): Handle IC_FSMBI2.
6727 Correctly handle a CONST_VECTOR containing symbols.
6728 * config/spu/spu.c (print_operand): Handle HIGH correctly.
6729 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6730 (immediate_load_p): Allow symbols that use 2 instructions to create.
6731 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
6732 with symbols when flag_pic is set.
6733 (const_vector_immediate_p): New.
6734 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6735 accept a CONST_VECTOR with symbols.
6736 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
6737 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
6739 * config/spu/spu.md (high, low): Delete.
6740 (low_<mode>): Define.
6742 Remove INTRmode and INTR_REGNUM, which didn't work.
6743 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6745 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6746 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6747 peephole2 pattern): Don't use INTR or 131.
6748 (movintrcc): Delete.
6749 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6750 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6751 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6752 (UNSPEC_SET_INTR): Add.
6753 * config/spu/spu-modes.def (INTR): Remove.
6755 More accurate warnings about run-time relocations.
6756 * config/spu/spu.c (reloc_diagnostic): Test in_section.
6758 Correctly warn about immediate arguments to specific intrinsics.
6759 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6760 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6761 the instruction predicate.
6763 Fix tree check errors with latest update.
6764 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6766 (spu_expand_builtin): Use CALL_EXPR_FN.
6768 Add missing specific intrinsics.
6769 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6771 * config/spu/spu_internals.h: Ditto.
6773 Fix incorrect operand modifiers.
6774 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
6775 * config/spu/spu.md (xor<mode>3): Change %S to %J.
6777 Optimize one case of zero_extend of a vec_select.
6778 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
6780 Accept any immediate for hbr.
6781 * config/spu/spu.md (hbr): Change s constraints to i.
6783 2007-02-21 Paul Brook <paul@codesourcery.com>
6785 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6786 condexec_count when skipping USE and CLOBBER.
6788 2007-02-21 Nick Clifton <nickc@redhat.com>
6790 * common.opt (Warray-bounds): Add Warning attribute.
6791 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6793 (fsized-zeroes): Add Optimization attribute.
6794 (fsplit-wide-types, ftree-scev-cprop): Likewise.
6795 * c.opt (Wc++0x-compat): Add Warning attribute.
6797 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
6800 * reload1.c (eliminate_regs_in_insn): In the single_set special
6801 case, attempt to re-recognize the insn before falling back to
6802 having reload fix it up.
6804 2007-02-20 Eric Christopher <echristo@gmail.com>
6806 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6807 Rewrite accordingly.
6808 (frv_read_iacc_argument): Ditto.
6809 (frv_expand_set_builtin): Take a call instead of arglist, update for
6811 (frv_expand_unop_builtin): Ditto.
6812 (frv_expand_binop_builtin): Ditto.
6813 (frv_expand_cut_builtin): Ditto.
6814 (frv_expand_binopimm_builtin): Ditto.
6815 (frv_expand_voidbinop_builtin): Ditto.
6816 (frv_expand_int_void2arg): Ditto.
6817 (frv_expand_prefetches): Ditto.
6818 (frv_expand_voidtriop_builtin): Ditto.
6819 (frv_expand_voidaccop_builtin): Ditto.
6820 (frv_expand_load_builtin): Ditto.
6821 (frv_expand_store_builtin): Ditto.
6822 (frv_expand_mdpackh_builtin): Ditto.
6823 (frv_expand_mclracc_builtin): Ditto.
6824 (frv_expand_mrdacc_builtin): Ditto.
6825 (frv_expand_mwtacc_builtin): Ditto.
6826 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6829 2007-02-20 Janis Johnson <janis187@us.ibm.com>
6831 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6832 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6834 (HAVE_GAS_DFP): Check for assembler support of decimal floating
6836 * configure: Regenerate.
6837 * config.in: Regenerate.
6838 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6839 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6840 masks to power6 and power6x and to POWERPC_MASKS.
6841 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6843 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6844 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6845 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6846 Access PROTOTYPE as variable, not mask.
6848 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6850 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6851 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6852 * combine.c (adjust_for_new_dest): Use it.
6853 * postreload.c (reload_combine): Likewise.
6855 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6857 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6858 notes on an insn with multiple sets, even if single_set returns
6859 non-NULL for that insn.
6861 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6863 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6866 2007-02-20 Geoffrey Keating <geoffk@apple.com>
6868 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6869 if user didn't pass it.
6870 * config/i386/darwin.h (CC1_SPEC): Likewise.
6871 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6872 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6873 -mmacosx-version-min.
6875 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6876 Uros Bizjak <ubizjak@gmail.com>
6878 * optabs.h (enum optab_index): Add new OTI_scalb.
6879 (scalb_optab): Define corresponding macro.
6880 * optabs.c (init_optabs): Initialize scalb_optab.
6881 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6883 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6884 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6885 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6886 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6887 flag_unsafe_math_optimizations is set.
6889 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6890 to implement scalbf, scalb and scalbl built-ins as inline x87
6893 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6894 DJ Delorie <dj@redhat.com>
6897 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6898 (diagnostic_report_diagnostic): ... here, and turn them into real
6899 errors. If warnings are inhibited, no need to do anything.
6901 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
6903 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6904 better code generation.
6906 2007-02-20 Ben Elliston <bje@au.ibm.com>
6908 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6910 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
6912 * config/alpha/alpha.c, config/alpha/alpha.md,
6913 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6914 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6915 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6916 config/arm/lib1funcs.asm: Follow spelling conventions.
6918 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6919 config/fr30/fr30.md, config/i386/i386.h,
6920 config/iq2000/iq2000.h, config/iq2000/predicates.md,
6921 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6922 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6923 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6924 config/rs6000/altivec.md, config/rs6000/rs6000.c,
6925 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6926 config/sparc/sparc.c, config/sparc/sparc.h,
6927 config/sparc/sparc.md, config/spu/constraints.md,
6928 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6931 2007-02-20 Alan Modra <amodra@bigpond.net.au>
6934 * varasm.c (use_blocks_for_decl_p): Return false for decls with
6937 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
6939 * doc/invoke.texi (-ftree-lrs): Remove.
6941 2007-02-19 Diego Novillo <dnovillo@redhat.com>
6943 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6946 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
6948 * config/ia64/ia64.c (ia64_expand_builtin): Use the
6949 new CALL_EXPR_FN macro for retrieving the function
6950 declaration of the input expression.
6952 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6954 * c.opt (Waddress): New.
6955 * common.opt (Walways-true): Delete.
6956 (Wstring-literal-comparison): Delete.
6957 * doc/invoke.texi (Warning Options): Delete -Walways-true and
6958 -Wstring-literal-comparison. Add -Waddress.
6960 (Walways-true): Delete.
6961 (Wstring-literal-comparison): Delete.
6962 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6963 consistently instead of -Walways-true in example.
6964 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6965 * c-typeck.c (parser_build_binary_op): Replace
6966 -Wstring-literal-comparison and -Walways-true with -Waddress.
6967 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6970 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6972 * tree-cfg.c (dump_function_to_file): Be prepared for functions
6973 without DECL_STRUCT_FUNCTION initialized.
6975 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6977 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6978 due to calls to functions taking pointers as parameters.
6980 2007-02-19 Richard Henderson <rth@redhat.com>
6983 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6986 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
6988 * config/s390/s390.c (s390_call_saved_register_used,
6989 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6990 accessed to the new scheme.
6992 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6994 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6995 (cris_print_index, cris_print_operand, cris_print_operand_address)
6996 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6997 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6998 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7000 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7001 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7002 GO_IF_LEGITIMATE_ADDRESS): Ditto.
7003 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7004 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7005 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7006 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7007 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7008 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7009 (uminsi3, call, call_value): Ditto.
7010 (define_split: indir_to_reg_split, unnamed): Ditto.
7012 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
7014 PR tree-optimization/30975
7015 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7018 2007-02-18 Eric Christopher <echristo@gmail.com>
7020 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7021 Remove use of arglist.
7022 (mips_expand_builtin): Remove use of arglist, pass in expr.
7023 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7024 (mips_expand_builtin_movtf): Ditto.
7025 (mips_expand_builtin_compare): Ditto.
7027 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7029 * tree-sra.c (sra_build_assignment): Replace assertion
7030 checking with a comment explaining why it can't be done.
7032 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7035 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7036 during CALL_EXPR representation conversion.
7037 * tree-ssa-propagate.c (set_rhs): Likewise.
7039 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7041 * tree-sra.c (sra_build_assignment): Disable assertion checking
7044 2007-02-18 Roger Sayle <roger@eyesopen.com>
7046 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7047 instead of calling build2 with a GIMPLE_MODIFY_STMT.
7048 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7050 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7051 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
7052 gimplify_init_ctor_eval_range, gimple_push_cleanup,
7053 gimplify_omp_for, gimplify_omp_atomic_pipeline,
7054 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7055 force_gimple_operand): Likewise.
7056 * ipa-cp.c (constant_val_insert): Likewise.
7057 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7058 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7059 perfect_nestify): Likewise.
7060 * langhooks.c (lhd_omp_assignment): Likewise.
7061 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7062 lower_copyprivate_clauses, lower_send_clauses,
7063 lower_send_shared_vars, expand_parallel_call,
7064 expand_omp_for_generic, expand_omp_for_static_nochunk,
7065 expand_omp_for_static_chunk, expand_omp_sections,
7066 lower_omp_single_copy, lower_omp_for_lastprivate,
7067 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7068 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7069 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7072 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
7074 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7075 config/sh/sh.md: Follow spelling conventions.
7077 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7078 config/frv/predicates.md: Follow spelling conventions.
7080 * config/m68k/linux-unwind.h: Fix a comment typo.
7081 * target.h: Follow spelling conventions.
7083 2007-02-18 Roger Sayle <roger@eyesopen.com>
7085 PR rtl-optimization/28173
7086 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
7087 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7088 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7089 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7090 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7092 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7094 * builtins.c (fold_builtin_load_exponent): New.
7095 (fold_builtin_2): Use it.
7097 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
7099 PR rtl-optimization/30773
7100 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7101 if we fail to attach a REG_EQUIV note.
7103 2007-02-18 David Edelsohn <edelsohn@gnu.org>
7104 Roger Sayle <roger@eyesopen.com>
7106 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7108 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7110 * calls.c (initialize_argument_information): Pass original EXP
7111 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
7112 code to split complex arguments here, as part of initializing the
7114 (expand_call): Remove code that builds a list of arguments and
7115 inserts implicit arguments into it. Instead, just count how many
7116 implicit arguments there will be so we can determine the size of
7117 the ARGS array, and let initialize_argument_information do the work.
7118 (split_complex_values): Delete unused function.
7120 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7122 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7124 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7126 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7127 for arg pointer based indexed addressing.
7129 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7131 * config/ia64/ia64.h, config/ia64/ia64.md,
7132 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7133 spelling conventions.
7135 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7137 * config/m68k/m68k.c (split_di): New.
7138 * config/m68k/m68k-protos.h: Declare split_di.
7139 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7140 Improve predicate handling and split constant shifts.
7142 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7144 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7145 parameter for register bitfield operations, general predicates
7148 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7150 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7151 * config/m68k/linux-unwind.h: New file.
7153 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7155 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7156 config/i386/athlon.md, config/ia64/ia64.md,
7157 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7158 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7159 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7160 tree-ssa-loop-niter.c, tree-vect-analyze.c,
7161 tree-vect-transform.c: Fix comment typos.
7163 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
7165 * sched-deps.c (find_insn_list): Remove.
7166 * sched-int.h: Remove the prototype for find_insn_list.
7168 2007-02-16 Geoffrey Keating <geoffk@apple.com>
7170 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7172 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7173 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7174 darwin_rs6000_override_options.
7175 (C_COMMON_OVERRIDE_OPTIONS): Expect
7176 darwin_macosx_version_min to be non-NULL always.
7177 (TARGET_C99_FUNCTIONS): Likewise.
7178 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7179 (DARWIN_MINVERSION_SPEC): New.
7180 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7181 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7183 (DARWIN_MINVERSION_SPEC): New.
7184 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7186 * config/darwin-c.c (darwin_cpp_builtins): Expect
7187 darwin_macosx_version_min to be non-NULL always.
7189 * config/rs6000/rs6000.c: Clean up trailing whitespace.
7191 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
7193 * config/i386/i386.h (x86_use_xchgb): New.
7194 (TARGET_USE_XCHGB): New macro.
7195 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7196 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7197 Split after reload into bswaphi for shifts of 8.
7198 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7199 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7200 or when optimizing for size.
7202 2007-02-16 Richard Guenther <rguenther@suse.de>
7203 Christian Bruel <christian.bruel@st.com>
7205 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7206 DECLs but prefer SSA_NAMEs over DECLs.
7208 2007-02-16 Richard Guenther <rguenther@suse.de>
7210 * tree-flow-inline.h (single_imm_use_p): Remove.
7211 (zero_imm_uses_p): Likewise.
7212 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7213 instead of single_imm_use_p.
7214 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7217 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7220 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7221 nested double- and backquotes.
7223 2007-02-15 Roger Sayle <roger@eyesopen.com>
7226 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
7227 should be unreachable.
7228 (build2_stat): Allow construction of MODIFY_EXPR at any time.
7229 For the time being redirect GIMPLE_MODIFY_STMT to the new
7230 (renamed) build_gimple_modify_stmt_stat.
7231 (build2_gimple_stat): Rename to...
7232 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7233 Always build a GIMPLE_MODIFY_STMT node.
7234 * tree.h (build2_gimple, build2_gimple_stat): Delete.
7235 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7238 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7239 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7240 * tree-complex.c (set_component_ssa_name, expand_complex_move,
7241 expand_complex_div_wide): Likewise.
7242 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7243 * tree-ssa-loop-im.c (schedule_sm): Likewise.
7244 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7245 * tree-ssa-loop-manip.c (create_iv): Likewise.
7246 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7247 abs_replacement): Likewise.
7248 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7249 realify_fake_stores): Likewise.
7251 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7252 node rather than a GIMPLE_MODIFY_STMT node.
7253 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7254 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7256 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7257 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7260 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7263 * fold-const.c (fold_comparison): Add back the
7264 folding of constant complex comparisions.
7266 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7269 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7270 effects unknown to this function, return early.
7272 2007-02-15 Ian Lance Taylor <iant@google.com>
7274 * lower-subreg.c (move_eh_region_note): New static function.
7275 (resolve_simple_move): Call it.
7276 (decompose_multiword_subregs): Track blocks for which we resolve a
7277 simple move which is also a control flow insn. Pass them to
7278 find_many_sub_basic_blocks.
7279 (pass_lower_subreg): Add TODO_verify_flow.
7280 (pass_lower_subreg2): Likewise.
7282 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7283 Brooks Moses <brooks.moses@codesourcery.com>
7284 Lee Millward <lee.millward@codesourcery.com>
7286 * tree.h (enum tree_code_class): Add tcc_vl_exp.
7287 (VL_EXP_CLASS_P): New.
7288 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7290 (TREE_OPERAND_CHECK_CODE): Likewise.
7291 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7292 (TREE_RTL_OPERAND_CHECK): Likewise.
7293 (tree_operand_check_failed): Make second parameter the whole tree
7294 instead of its code. Fixed callers.
7295 (VL_EXP_CHECK): New.
7296 (TREE_OPERAND_LENGTH): New.
7297 (VL_EXP_OPERAND_LENGTH): New.
7298 (CALL_EXPR_FN): New.
7299 (CALL_EXPR_STATIC_CHAIN): New.
7300 (CALL_EXPR_ARGS): New.
7301 (CALL_EXPR_ARG): New.
7302 (call_expr_nargs): New.
7303 (CALL_EXPR_ARGP): New.
7304 (build_nt_call_list): Declare.
7305 (build_vl_exp_stat): Declare.
7306 (build_vl_exp): New.
7307 (build_call_list): Declare.
7308 (build_call_nary): Declare.
7309 (build_call_valist): Declare.
7310 (build_call_array): Declare.
7311 (call_expr_arg): Declare.
7312 (call_expr_argp): Declare.
7313 (call_expr_arglist): Declare.
7314 (fold_build_call_list): Declare.
7315 (fold_build_call_list_initializer): Declare.
7316 (fold_call_expr): Declare to replace fold_builtin.
7317 (fold_builtin_fputs): Update to agree with modified definition.
7318 (fold_builtin_strcpy): Likewise.
7319 (fold_builtin_strncpy): Likewise.
7320 (fold_builtin_memory_chk): Likewise.
7321 (fold_builtin_stxcpy_chk): Likewise.
7322 (fold_builtin_strncpy_chk): Likewise.
7323 (fold_builtin_next_arg): Likewise.
7324 (fold_build_call_expr): Declare.
7325 (fold_builtin_call_list): Declare.
7326 (fold_builtin_call_valist): Declare.
7327 (build_call_expr): Declare.
7328 (validate_arglist): Update to agree with modified definition.
7329 (tree_operand_length): New.
7330 (call_expr_arg_iterator): New.
7331 (init_call_expr_arg_iterator): New.
7332 (next_call_expr_arg): New.
7333 (first_call_expr_arg): New.
7334 (more_call_expr_args_p): New.
7335 (FOR_EACH_CALL_EXPR_ARG): New.
7337 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7338 and tcc_gimple_stmt.
7339 (tree_code_size): Update documentation. Use sizeof (tree) rather
7340 than sizeof (char *).
7341 (tree_size): Likewise. Add case for tcc_vl_exp.
7342 (tree_node_structure): Add case for tcc_vl_exp.
7343 (contains_placeholder_p): Likewise.
7344 (substitute_in_expr): Likewise.
7345 (substitute_placeholder_in_expr): Likewise.
7346 (stabilize_reference_1): Likewise.
7347 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
7348 to diagnose breakage of this interface for constructing CALL_EXPRs.
7349 (build_nt): Add similar assertion here.
7350 (build_nt_call_list): New.
7351 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7352 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7354 (get_callee_fndecl): Use new CALL_EXPR accessors.
7355 (tree_operand_check_failed): Change parameters to pass entire node
7356 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7357 (process_call_operands): New.
7358 (build_vl_exp_stat): New.
7359 (build_call_list): New.
7360 (build_call_nary): New.
7361 (build_call_valist): New.
7362 (build_call_array): New.
7363 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7364 (call_expr_arglist): New.
7366 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7367 tcc_vl_exp instead of a fixed-size tcc_expression.
7369 * doc/c-tree.texi (CALL_EXPR): Document new representation and
7370 accessors for CALL_EXPRs.
7371 (AGGR_INIT_EXPR): Likewise.
7373 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7374 Brooks Moses <brooks.moses@codesourcery.com>
7375 Lee Millward <lee.millward@codesourcery.com>
7377 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7378 (expand_builtin_nonlocal_goto): Change parameter to be entire
7379 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
7380 (expand_builtin_prefetch): Likewise.
7381 (expand_builtin_classify_type): Likewise.
7382 (mathfn_built_in): Return NULL_TREE instead of 0.
7383 (expand_errno_check): Use new CALL_EXPR accessors.
7384 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7385 Return NULL_RTX instead of 0.
7386 (expand_builtin_mathfn_2): Likewise.
7387 (expand_builtin_mathfn_3): Likewise.
7388 (expand_builtin_interclass_mathfn): Likewise.
7389 (expand_builtin_sincos): Likewise.
7390 (expand_builtin_cexpi): Likewise.
7391 (expand_builtin_int_roundingfn): Likewise.
7392 (expand_builtin_int_roundingfn_2): Likewise.
7393 (expand_builtin_pow): Likewise.
7394 (expand_builtin_powi): Likewise.
7395 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7396 of arglist, fixing callers appropriately. Use new CALL_EXPR
7397 accessors and constructors. Return NULL_RTX instead of 0.
7398 (expand_builtin_strstr): Likewise.
7399 (expand_builtin_strchr): Likewise.
7400 (expand_builtin_strrchr): Likewise.
7401 (expand_builtin_strpbrk): Likewise.
7402 (expand_builtin_memcpy): Likewise.
7403 (expand_builtin_mempcpy): Likewise.
7404 (expand_builtin_mempcpy_args): New.
7405 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7406 (expand_builtin_memmove_args): New.
7407 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7408 (expand_movstr): Likewise.
7409 (expand_builtin_strcpy): Likewise.
7410 (expand_builtin_strcpy_args): New.
7411 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7412 (expand_builtin_strncpy): Likewise.
7413 (expand_builtin_memset): Likewise.
7414 (expand_builtin_memset_args): New.
7415 (expand_builtin_bzero): Similarly to expand_builtin_memset.
7416 (expand_builtin_memcmp): Likewise.
7417 (expand_builtin_strcmp): Likewise.
7418 (expand_builtin_strncmp): Likewise.
7419 (expand_builtin_strcat): Likewise.
7420 (expand_builtin_strncat): Likewise.
7421 (expand_builtin_strspn): Likewise.
7422 (expand_builtin_strcspn): Likewise.
7423 (expand_builtin_args_info): Likewise.
7424 (expand_builtin_va_start): Likewise.
7425 (gimplify_va_arg_expr): Likewise.
7426 (expand_builtin_va_end): Likewise.
7427 (expand_builtin_va_copy): Likewise.
7428 (expand_builtin_frame_address): Likewise.
7429 (expand_builtin_alloca): Likewise.
7430 (expand_builtin_bswap): Likewise.
7431 (expand_builtin_unop): Likewise.
7432 (expand_builtin_fputs): Likewise.
7433 (expand_builtin_expect): Likewise.
7434 (expand_builtin_fabs): Likewise.
7435 (expand_builtin_copysign): Likewise.
7436 (expand_builtin_printf): Likewise.
7437 (expand_builtin_fprintf): Likewise.
7438 (expand_builtin_sprintf): Likewise.
7439 (expand_builtin_init_trampoline): Likewise.
7440 (expand_builtin_signbit): Likewise.
7441 (expand_builtin_fork_or_exec): Likewise.
7442 (expand_builtin_sync_operation): Likewise.
7443 (expand_builtin_compare_and_swap): Likewise.
7444 (expand_builtin_lock_test_and_set): Likewise.
7445 (expand_builtin_lock_release): Likewise.
7446 (expand_builtin): Likewise.
7447 (builtin_mathfn_code): Likewise.
7449 (fold_builtin_constant_p): Pass call arguments individually instead
7450 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7451 accessors and constructors. Return NULL_TREE instead of 0.
7452 (fold_builtin_expect): Likewise.
7453 (fold_builtin_classify_type): Likewise.
7454 (fold_builtin_strlen): Likewise.
7455 (fold_builtin_nan): Likewise.
7456 (integer_valued_real_p): Likewise.
7457 (fold_trunc_transparent_mathfn): Likewise.
7458 (fold_fixed_mathfn): Likewise.
7459 (fold_builtin_cabs): Likewise.
7460 (fold_builtin_sqrt): Likewise.
7461 (fold_builtin_cbrt): Likewise.
7462 (fold_builtin_cos): Likewise.
7463 (fold_builtin_cosh): Likewise.
7464 (fold_builtin_tan): Likewise.
7465 (fold_builtin_sincos): Likewise.
7466 (fold_builtin_cexp): Likewise.
7467 (fold_builtin_trunc): Likewise.
7468 (fold_builtin_floor): Likewise.
7469 (fold_builtin_ceil): Likewise.
7470 (fold_builtin_round): Likewise.
7471 (fold_builtin_int_roundingfn): Likewise.
7472 (fold_builtin_bitop): Likewise.
7473 (fold_builtin_bswap): Likewise.
7474 (fold_builtin_logarithm): Likewise.
7475 (fold_builtin_hypot): Likewise.
7476 (fold_builtin_pow): Likewise.
7477 (fold_builtin_powi): Likewise.
7478 (fold_builtin_exponent): Likewise.
7479 (fold_builtin_memset): Likewise.
7480 (fold_builtin_bzero): Likewise.
7481 (fold_builtin_memory_op): Likewise.
7482 (fold_builtin_bcopy): Deleted; call site changed to invoke
7483 fold_builtin_memory_op directly.
7484 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7485 (fold_builtin_strncpy): Likewise.
7486 (fold_builtin_memcmp): Likewise.
7487 (fold_builtin_strcmp): Likewise.
7488 (fold_builtin_strncmp): Likewise.
7489 (fold_builtin_signbit): Likewise.
7490 (fold_builtin_copysign): Likewise.
7491 (fold_builtin_isascii): Likewise.
7492 (fold_builtin_toascii): Likewise.
7493 (fold_builtin_isdigit): Likewise.
7494 (fold_builtin_fabs): Likewise.
7495 (fold_builtin_abs): Likewise.
7496 (fold_builtin_fmin_fmax): Likewise.
7497 (fold_builtin_carg): Likewise.
7498 (fold_builtin_classify): Likewise.
7499 (fold_builtin_unordered_cmp): Likewise.
7501 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7502 New functions split out from fold_builtin_1.
7503 (fold_builtin_n): New.
7504 (fold_builtin_varargs): New.
7505 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
7507 (fold_call_expr): New.
7508 (build_function_call_expr): Rewrite to use new helper function.
7509 (fold_builtin_call_list): New.
7510 (build_call_expr): New.
7511 (fold_builtin_call_valist): New.
7512 (rewrite_call_expr): New.
7513 (validate_arg): New.
7514 (validate_arglist): Change parameter to be entire CALL_EXPR instead
7515 of an arglist. Change return type to bool. Use new CALL_EXPR
7518 (fold_builtin_strstr): Pass call arguments individually instead
7519 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7520 accessors and constructors. Return NULL_TREE instead of 0.
7521 (fold_builtin_strchr): Likewise.
7522 (fold_builtin_strrchr): Likewise.
7523 (fold_builtin_strpbrk): Likewise.
7524 (fold_builtin_strcat): Likewise.
7525 (fold_builtin_strncat): Likewise.
7526 (fold_builtin_strspn): Likewise.
7527 (fold_builtin_strcspn): Likewise.
7528 (fold_builtin_fputs): Likewise.
7529 (fold_builtin_next_arg): Likewise.
7530 (fold_builtin_sprintf): Likewise.
7532 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
7533 NULL_RTX instead of 0.
7534 (expand_builtin_memory_chk): Likewise.
7535 (maybe_emit_chk_warning): Likewise.
7536 (maybe_emit_sprintf_chk_warning): Likewise.
7538 (fold_builtin_object_size): Pass call arguments individually instead
7539 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7540 accessors and constructors. Return NULL_TREE instead of 0.
7541 (fold_builtin_memory_chk): Likewise.
7542 (fold_builtin_stxcpy_chk): Likewise.
7543 (fold_builtin_strncpy_chk): Likewise.
7544 (fold_builtin_strcat_chk): Likewise.
7545 (fold_builtin_strcat_chk): Likewise.
7546 (fold_builtin_strncat_chk): Likewise.
7547 (fold_builtin_sprintf_chk): Likewise.
7548 (fold_builtin_snprintf_chk): Likewise.
7549 (fold_builtin_printf): Likewise.
7550 (fold_builtin_vprintf): Likewise.
7552 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7554 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7555 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7556 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7557 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7558 (fold_unary): Likewise.
7559 (fold_binary): Likewise.
7560 (fold_ternary): Remove CALL_EXPR case, since they are no longer
7561 ternary expressions.
7562 (fold): Add logic for tcc_vl_exp.
7563 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
7564 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7565 (fold_build3_stat): Add assertion to flag broken interface for
7566 constructing CALL_EXPRs.
7567 (fold_build_call_list): New.
7568 (fold_build_call_list_initializer): New.
7569 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7571 (fold_strip_sign_ops): Likewise.
7573 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7574 Brooks Moses <brooks.moses@codesourcery.com>
7575 Lee Millward <lee.millward@codesourcery.com>
7577 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7578 accessors and dump arguments explicitly.
7580 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7582 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7584 (print_call_name): Use new CALL_EXPR accessors.
7586 * print-tree.c (print_node): Add case tcc_vl_exp. Print
7587 CALL_EXPR arguments explicitly instead of as a list. Use
7588 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7590 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7591 (vrp_visit_stmt): Likewise.
7593 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
7594 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
7596 (force_move_till_expr): Likewise.
7598 * targhooks.c (default_external_stack_protect_fail): Use
7599 build_call_expr instead of build_function_call_expr.
7600 (default_hidden_stack_protect_fail): Likewise.
7602 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7605 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7606 and walk arguments explicitly.
7608 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7609 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7610 (expand_simple_operations): Likewise.
7611 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7613 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7614 of TREE_CODE_LENGTH.
7615 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7617 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7618 instead of TREE_CODE_LENGTH.
7620 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7621 (tree_ic_transform): Likewise.
7622 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7623 parameter instead of arglist. Fix callers.
7624 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7625 (tree_stringops_transform): Likewise.
7626 (tree_indirect_call_to_profile): Likewise.
7627 (tree_stringops_values_to_profile): Likewise.
7629 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7630 (eliminate_tail_call): Likewise.
7632 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7634 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7635 Use TREE_OPERAND_LENGTH and generalize to handle any number of
7637 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7639 * omp-low.c (build_omp_barrier): Use build_call_expr.
7640 (lower_rec_input_clauses): Likewise.
7641 (lower_reduction_clauses): Likewise.
7642 (expand_parallel_call): Likewise.
7643 (maybe_catch_exception): Likewise.
7644 (expand_omp_for_generic): Likewise.
7645 (expand_omp_for_static_nochunk): Likewise.
7646 (expand_omp_sections): Likewise.
7647 (lower_omp_single_simple): Likewise.
7648 (lower_omp_single_copy): Likewise.
7649 (lower_omp_master): Likewise.
7650 (lower_omp_ordered): Likewise.
7651 (lower_omp_critical): Likewise.
7653 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7654 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7656 * tree-gimple.c (is_gimple_call_addr): Fix doc.
7657 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7658 TREE_CODE_LENGTH. Add tcc_vl_exp case.
7660 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7661 and generalize to handle any number of operands.
7662 (chrec_contains_undetermined): Likewise.
7663 (tree_contains_chrecs): Likewise.
7664 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7666 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7668 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
7669 fold_call_expr instead of fold_builtin.
7670 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
7671 match declarations there.
7672 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
7675 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7676 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7678 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7679 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7681 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7684 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7685 (execute_cse_sincos): Use new CALL_EXPR accessors.
7687 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7689 * gimple-low.c (lower_function_body): Use build_call_expr.
7690 (lower_builtin_setjmp): Likewise.
7692 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7693 (set_storage_via_libcall): Likewise.
7694 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
7695 instead of TREE_CODE_LENGTH.
7696 (expand_expr_real_1): Use new CALL_EXPR accessors.
7698 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7699 generalize to handle any number of operands.
7700 (TB_parent_eq): Likewise.
7702 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7703 (strip_builtin_expect): Likewise.
7705 * function.c (gimplify_parameters): Use build_call_expr.
7707 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7708 instead of TREE_CODE_LENGTH.
7710 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7711 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7713 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7716 * gimplify.c (build_stack_save_restore): Use build_call_expr.
7717 (gimplify_decl_expr): Likewise.
7718 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7719 Use new CALL_EXPR iterators.
7720 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7721 (gimplify_modify_expr_to_memset): Likewise.
7722 (gimplify_variable_sized_compare): Likewise.
7723 (gimplify_omp_atomic_fetch_op): Likewise.
7724 (gimplify_omp_atomic_pipeline): Likewise.
7725 (gimplify_omp_atomic_mutex): Likewise.
7726 (gimplify_function_tree): Likewise.
7728 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7729 (call_expr_flags): Likewise.
7730 (expand_call): Likewise.
7732 * except.c (expand_builtin_eh_return_data_regno): Pass entire
7733 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7736 * coverage.c (create_coverage): Use build_call_expr.
7738 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7739 (temp_call_expr_obstack): New.
7740 (pool_copy_list): Delete.
7741 (temp_copy_call_expr): New.
7742 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
7743 CALL_EXPR accessors. Get rid of special goo for copying argument
7744 lists and use temp_copy_call_expr instead.
7745 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
7746 CALL_EXPR accessors.
7747 (create_expression_by_pieces): Likewise. Use build_call_array
7748 to construct the result instead of fold_build3.
7749 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
7750 dealing with argument lists.
7751 (init_pre): Remove references to expression_node_pool and
7752 list_node_pool. Init temp_call_expr_obstack instead.
7753 (fini_pre): Remove references to expression_node_pool and
7756 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7757 and walk arguments explicitly instead of as a list.
7759 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7760 (mx_register_decls): Likewise.
7761 (mudflap_register_call): Likewise.
7762 (mudflap_finish_file): Likewise.
7764 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7765 (ipa_callsite_compute_param): Likewise.
7767 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7768 accessors and constructor.
7770 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7771 accessors and constructor.
7772 (convert_tramp_reference): Likewise.
7773 (convert_call_expr): Likewise.
7774 (finalize_nesting_tree_1): Likewise.
7776 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7779 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7781 * tree-inline.c (initialize_inlined_parameters): Pass entire
7782 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7784 (estimate_num_insns_1): Use new CALL_EXPR accessors.
7785 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7787 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
7788 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7789 (vectorizable_reduction): Likewise.
7790 (vectorizable_call): Use new CALL_EXPR iterators.
7791 (vectorizable_conversion): Use build_call_expr.
7792 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7793 (vect_gen_widened_results_half): Use build_call_expr.
7794 (vect_setup_realignment): Likewise.
7795 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7797 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7798 (pass_through_call): Likewise.
7799 (compute_object_sizes): Likewise. Use fold_call_expr instead of
7802 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7803 (tree_gen_pow2_profiler): Likewise.
7804 (tree_gen_one_value_profiler): Likewise.
7805 (tree_gen_ic_func_profiler): Likewise.
7806 (tree_gen_average_profiler): Likewise.
7807 (tree_gen_ior_profiler): Likewise.
7809 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7810 (find_func_aliases): Use new CALL_EXPR accessors. Add case
7811 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7813 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7814 of TREE_CODE_LENGTH.
7816 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7817 of TREE_CODE_LENGTH.
7819 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7821 (convert_to_integer): Likewise.
7823 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7826 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7827 Brooks Moses <brooks.moses@codesourcery.com>
7828 Lee Millward <lee.millward@codesourcery.com>
7830 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7832 * config/frv/frv.c (frv_expand_builtin): Likewise.
7833 * config/s390/s390.c (s390_expand_builtin): Likewise.
7835 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7836 (sparc_expand_builtin): Use new CALL_EXPR accessors.
7838 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7839 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7840 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
7841 (ix86_expand_store_builtin): Likewise.
7842 (ix86_expand_unop_builtin): Likewise.
7843 (ix86_expand_unop1_builtin): Likewise.
7844 (ix86_expand_sse_compare): Likewise.
7845 (ix86_expand_sse_comi): Likewise.
7846 (ix86_expand_vec_init_builtin): Likewise.
7847 (ix86_expand_vec_ext_builtin): Likewise.
7848 (ix86_expand_vec_set_builtin): Likewise.
7849 (ix86_expand_builtin): Use new CALL_EXPR accessors.
7851 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7852 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7854 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7855 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7856 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7858 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7860 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7861 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7862 arglist. Use new CALL_EXPR accessors. Fix callers.
7863 (altivec_expand_abs_builtin): Likewise.
7864 (rs6000_expand_binop_builtin): Likewise.
7865 (altivec_expand_predicate_builtin): Likewise.
7866 (altivec_expand_lv_builtin): Likewise.
7867 (spe_expand_stv_builtin): Likewise.
7868 (altivec_expand_stv_builtin): Likewise.
7869 (rs6000_expand_ternop_builtin): Likewise.
7870 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7871 (altivec_expand_st_builtin): Likewise.
7872 (altivec_expand_dst_builtin): Likewise.
7873 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7874 arglist. Use new CALL_EXPR accessors. Fix callers.
7875 (altivec_expand_vec_set_builtin): Likewise.
7876 (altivec_expand_vec_ext_builtin): Likewise.
7877 (altivec_expand_builtin): Use new CALL_EXPR accessors.
7878 (spe_expand_builtin): Likewise.
7879 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7880 arglist. Use new CALL_EXPR accessors. Fix callers.
7881 (spe_expand_evsel_builtin): Likewise.
7882 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
7883 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7885 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7886 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7887 (arm_expand_unop_builtin): Likewise.
7888 (arm_expand_builtin): Use new CALL_EXPR accessors.
7890 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
7893 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7894 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7895 (bfin_expand_unop_builtin): Likewise.
7896 (bfin_expand_builtin): Use new CALL_EXPR accessors.
7898 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7899 Brooks Moses <brooks.moses@codesourcery.com>
7900 Lee Millward <lee.millward@codesourcery.com>
7902 * c-semantics.c (build_stmt): Add internal diagnostic check.
7904 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7905 accessors. Print arguments explicitly instead of as a list.
7907 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7909 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7910 (c_finish_omp_flish): Likewise.
7912 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
7913 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
7914 instead of TREE_CODE_LENGTH.
7915 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7916 (c_warn_unused_result): Likewise.
7918 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7921 * doc/invoke.texi (Warning Options): Remove
7922 -Werror-implicit-function-declaration.
7923 (Wimplicit-function-declaration): Update description.
7924 * opts.c (common_handle_option): Move handling of -Werror=* to...
7925 (enable_warning_as_error): ...here.
7926 * opts.h (enable_warning_as_error): Declare.
7927 * c-decl.c (implicit_decl_warning): Unless
7928 -Wno-implicit-function-declaration is given, emit a pedwarn if
7929 -std=c99 or emit a warning if -Wimplicit-function-declaration.
7930 * c.opt (Wimplicit-function-declaration): Replace
7931 mesg_implicit_function_declaration with
7932 warn_implicit_function_declaration.
7933 * c-opts.c (c_common_handle_option):
7934 -Werror-implicit-function-declaration is exactly equal as
7935 -Werror=implicit-function-declaration.
7936 (set_Wimplicit): Replace mesg_implicit_function_declaration with
7937 warn_implicit_function_declaration.
7938 (c_common_post_options): -Wimplict-function-declaration is enabled
7939 by default by -std=c99, otherwise is disabled by default.
7940 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7942 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7944 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7945 DECL on the rhs to a DECL on the lhs for debug info purposes if the
7946 former is ignored but not the latter.
7948 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7950 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7951 is made and the reference doesn't use the alias set of its type,
7952 do not create the temporary using that type.
7954 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
7956 * jump.c: Remove prototypes for delete_computation and
7957 delete_prior_computation.
7959 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7961 * jump.c (get_label_after): Delete.
7962 (get_label_before, delete_computation, delete_jump,
7963 delete_prior_computation, follow_jumps): Move...
7964 * reorg.c (delete_computation, delete_prior_computation): ... here...
7965 (get_label_before, delete_jump): ... making these static ...
7966 (follow_jumps): ... and simplifying this since it only runs after
7968 * rtl.h (get_label_after, get_label_before, delete_jump,
7969 follow_jumps): Delete prototypes.
7971 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7973 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7975 2007-02-15 Nick Clifton <nickc@redhat.com>
7977 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7978 order to prevent it from being munged by the target.
7980 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
7982 * config/i386/i386.md: Remove misleading comment.
7984 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7986 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7987 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7990 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7992 * tree-sra.c (instantiate_missing_elements): Canonicalize
7994 (sra_build_assignment): New.
7995 (generate_copy_inout, generate_element_copy,
7996 generate_element_zero, generate_one_element_init): Use it.
7998 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8000 * tree-sra.c (instantiate_missing_elements): Canonicalize
8002 (sra_build_assignment): New.
8003 (generate_copy_inout, generate_element_copy,
8004 generate_element_zero, generate_one_element_init): Use it.
8006 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8008 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8011 2007-02-14 Joseph Myers <joseph@codesourcery.com>
8013 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8014 types as aggregates not scalars.
8015 * function.c (assign_stack_temp_for_type): Likewise.
8017 2007-02-14 Roger Sayle <roger@eyesopen.com>
8018 Zdenek Dvorak <dvorakz@suse.cz>
8020 * tree-dump.c (dump_switch_p_1): Require exact match of the option
8023 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8025 * passes.c (next_pass_1): Clear the next field of the copied
8028 2007-02-14 Richard Henderson <rth@redhat.com>
8030 * tree-sra.c (early_sra): New.
8031 (decl_can_be_decomposed_p): Deny va_list if early_sra.
8032 (tree_sra_early, pass_sra_early): New.
8033 * tree-pass.h (pass_sra_early): Declare.
8034 * passes.c (init_optimization_passes): Use it.
8036 2007-02-14 Richard Guenther <rguenther@suse.de>
8038 * flags.h (issue_strict_overflow_warning): Convert to a macro.
8040 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
8042 PR tree-optimization/30771
8043 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8045 (vect_analyze_operations): Induction phis can now be marked as
8047 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8048 Update documentation accordingly.
8050 2007-02-14 Nick Clifton <nickc@redhat.com>
8052 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8053 most 3 arguments are supported.
8054 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8056 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
8058 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8059 Ensure dst->current is valid.
8061 2007-02-13 Paul Brook <paul@codesourcery.com>
8063 * config.gcc: Add arm*-*-uclinux-*eabi.
8064 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8065 (SUBTARGET_EXTRA_LINK_SPEC): Define.
8066 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8067 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8068 (LINK_SPEC): Define.
8070 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8072 * config/arm/uclinux-eabi.h: New file.
8073 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8074 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8077 2007-02-13 Ian Lance Taylor <iant@google.com>
8079 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8080 * flags.h (warn_strict_overflow): Declare.
8081 (enum warn_strict_overflow_code): Define.
8082 (issue_strict_overflow_warning): New static inline function.
8083 * opts.c (warn_strict_overflow): New variable.
8084 (common_handle_option): Handle OPT_Wstrict_overflow and
8085 OPT_Wstrict_overflow_.
8086 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8088 * fold-const.c: Include intl.h.
8089 (fold_deferring_overflow_warnings): New static variable.
8090 (fold_deferred_overflow_warning): New static variable.
8091 (fold_deferred_overflow_code): New static variable.
8092 (fold_defer_overflow_warnings): New function.
8093 (fold_undefer_overflow_warnings): New function.
8094 (fold_undefer_and_ignore_overflow_warnings): New function.
8095 (fold_deferring_overflow_warnings_p): New function.
8096 (fold_overflow_warning): New static function.
8097 (make_range): Add strict_overflow_p parameter. Change all
8099 (extract_muldiv, extract_muldiv_1): Likewise.
8100 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8101 tree_expr_nonnegative_p.
8102 (fold_negate_expr): Call fold_overflow_warning.
8103 (fold_range_test): Likewise.
8104 (fold_comparison): Likewise.
8105 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
8106 instead of tree_expr_nonnegative_p.
8107 (tree_expr_nonnegative_warnv_p): Rename from
8108 tree_expr_nonnegative_p, add strict_overflow_p parameter.
8109 (tree_expr_nonnegative_p): New function.
8110 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8111 strict_overflow_p parameter.
8112 (tree_expr_nonzero_p): New function.
8113 * passes.c (verify_interpass_invariants): New static function.
8114 (execute_one_pass): Call it.
8115 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8117 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8118 (estimate_numbers_of_iterations): Likewise.
8119 (scev_probably_wraps_p): Likewise.
8120 * tree-ssa-ccp.c: Include "toplev.h".
8121 (evaluate_stmt): Defer fold overflow warnings until we know we are
8123 (struct fold_stmt_r_data): Add stmt field.
8124 (fold_stmt_r): Defer fold overflow warnings until we know we
8126 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8127 (fold_stmt_inplace): Likewise.
8128 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8129 (cleanup_control_expr_graph): Defer fold overflow warnings until
8130 we know we are going to optimize.
8131 * tree-cfg.c (fold_cond_expr_cond): Likewise.
8132 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8134 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8135 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8136 * tree-ssa-loop-manip.c (create_iv): Likewise.
8137 * c-typeck.c (build_conditional_expr): Likewise.
8138 (build_binary_op): Likewise.
8139 * tree-vrp.c (vrp_expr_computes_nonzero): Call
8140 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8141 (extract_range_from_unary_expr): Likewise.
8142 * simplify-rtx.c (simplify_const_relational_operation): Warn when
8143 assuming that signed overflow does not occur.
8144 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8145 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8146 (fold_defer_overflow_warnings): Declare.
8147 (fold_undefer_overflow_warnings): Declare.
8148 (fold_undefer_and_ignore_overflow_warnings): Declare.
8149 (fold_deferring_overflow_warnings_p): Declare.
8150 (tree_expr_nonzero_warnv_p): Declare.
8151 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8153 (Warning Options): Document -Wstrict-overflow.
8154 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8155 (tree-ssa-ccp.o): Likewise.
8156 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8157 (fold-const.o): Depend on intl.h.
8159 2007-02-13 Ian Lance Taylor <iant@google.com>
8162 * lower-subreg.c (resolve_simple_move): Decompose subregs in
8165 2007-02-13 Stuart Hastings <stuart@apple.com>
8167 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8169 2007-02-13 Richard Henderson <rth@redhat.com>
8171 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8172 handled_component_p before looking for the indirect_ref.
8174 2007-02-13 Richard Henderson <rth@redhat.com>
8176 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8177 remove flags clobber.
8178 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8179 (bswaphi_lowpart): New.
8180 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8181 remove TARGET_BSWAP test. Delete expander of the same name.
8183 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8184 (expand_unop): Use them.
8186 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
8188 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8189 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8190 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8191 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8192 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8193 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8194 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8195 assembler dialect choice from asm templates.
8197 2007-02-12 Richard Henderson <rth@redhat.com>
8199 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8200 (fixuns_trunc<SSEMODEF>si2): Use it.
8201 * config/i386/sse.md (vec_setv4sf_0): Export.
8202 * config/i386/i386.c (ix86_build_const_vector): Export.
8203 (ix86_split_convert_uns_si_sse): Rename from
8204 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8205 * config/i386/i386-protos.h: Update.
8207 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8210 * c-typeck.c (c_finish_return): Improve warning message.
8212 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8214 * alias.c (find_symbolic_term): Delete unused function.
8216 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
8218 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8219 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8220 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8222 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8224 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8225 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8226 the function, temporarily point the debug interface to the null one.
8228 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8230 * dwarf2out.c (round_up_to_align): New static function.
8231 (field_byte_offset): Use it to round the offset.
8233 2007-02-12 Richard Henderson <rth@redhat.com>
8235 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8236 (inswl_const): Export.
8238 2007-02-12 Richard Henderson <rth@redhat.com>
8240 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8241 result mode of the libcall, convert back to outmode.
8243 2007-02-12 Roger Sayle <roger@eyesopen.com>
8245 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8246 (bswapdi2): New define_expand to implement 32-bit implementation.
8248 2007-02-12 Nick Clifton <nickc@redhat.com>
8250 * doc/invoke.texi (Overall Options): Document --help=.
8251 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8252 (cc1_options): Pass --help= on to cc1.
8253 (display_help): Add description of --help=.
8254 (process_command): Add code to handle --help=. Allow translated
8255 --help and --target-help switches to be passed on to compiler
8257 (main): Remove unused if statement.
8258 * opts.c (columns): Remove.
8259 (LEFT_COLUMN): Define.
8260 (wrap_help): Add columns argument.
8261 (print_filtered_help): Change parameters to be an include bitmask,
8262 an exclude bitmask, an any bitmask and the column width. Move the
8263 code to display the params list here. Add code to display the
8264 status of options rather than their descriptions if the quiet flag
8266 (print_specific_help): Change parameters to be an include bitmask,
8267 an exclude bitmask and an any bitmask. Move code to look up the
8268 column width here. Decide upon the title for an options listing.
8269 (common_handle_options): Add code to handle --help=. Adapt code
8270 for --help and --target-help to use the revised form of the
8271 print_specific_help function.
8272 (print_help): Delete.
8273 (print_param_help): Delete.
8274 (print_switch): Delete.
8275 * opts.h (cl_lang_count): Add prototype.
8276 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8277 CL_MAX_OPTION_CLASS): New defines.
8278 * optc-gen.awk: Add construction of cl_lang_count.
8279 * c.opt: Add Warning attribute to warning options and Optimization
8280 attribute to optimization options.
8281 * common.opt: Likewise.
8283 Add -fhelp and -ftarget-help as aliases for the transformed --help
8284 and --target-help options.
8285 * opt-functions.awk: Add code to handle Warning and Optimization
8288 2007-02-12 Richard Henderson <rth@redhat.com>
8290 * config/alpha/constraints.md: New file.
8291 * config/alpha/alpha.c: Include tm-constrs.h.
8292 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8293 alpha_extra_constraint): Remove.
8294 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8295 * config/alpha/alpha-protos.h: Update.
8296 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8297 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8298 (EXTRA_CONSTRAINT): Remove.
8299 * config/alpha/alpha.md: Include constraints.md.
8300 (adddi splitter): Use satisfies_constraint_*.
8301 * config/alpha/predicates.md (add_operand): Likewise.
8302 (sext_add_operand, addition_operation): Likewise.
8304 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
8306 PR tree-optimization/29145
8307 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8308 in our handling of restrict qualified pointers.
8310 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8313 * doc/invoke.texi (Wunused-value): Update description.
8314 (Wextra): Delete item.
8315 * opts.c (set_Wextra): Don't use the value of Wextra to set the
8316 value of Wunused-value.
8317 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8318 (c_finish_stmt_expr): Don't check extra_warnings.
8319 (emit_side_effect_warnings): The caller is responsible to check
8322 2007-02-11 Roger Sayle <roger@eyesopen.com>
8323 Matt Thomas <matt@3am-software.com>
8325 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8327 2007-02-11 Roger Sayle <roger@eyesopen.com>
8329 * simplify-rtx.c (simplify_relational_operation_1): Optimize
8330 comparisons of POPCOUNT against zero.
8331 (simplify_const_relational_operation): Likewise.
8333 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8335 * doc/invoke.texi (Wextra): Delete outdated paragraph.
8337 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8339 * dwarf2out.c (root_type): Delete unused function.
8341 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8343 * genattrtab.c (contained_in_p): Delete unused function.
8344 (write_expr_attr_cache): Likewise.
8346 2007-02-11 Jan Hubicka <jh@suse.cz>
8348 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8351 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
8353 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8354 to add the REG_EQ* note.
8355 * see.c (see_merge_one_use_extension): Likewise.
8356 * local-alloc.c (update_equiv_regs): Likewise. Also don't
8357 turn REG_EQUAL notes into REG_EQUIV notes if the target
8358 register may have more than one set.
8359 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8360 * gcse.c (try_replace_reg): Likewise.
8361 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8362 * calls.c (fixup_tail_calls): Likewise. Abort if there is
8363 more than one REG_EQUIV note.
8364 * reload1.c (gen_reload): Use set_unique_reg_note.
8366 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
8368 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8369 (ix86_builtin_conversion): New function.
8371 2007-02-06 Mark Mitchell <mark@codesourcery.com>
8374 * tree.h (DECL_REPLACEABLE_P): New macro.
8375 * except.c (set_nothrow_function_flags): Likewise.
8377 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
8378 Ira Rosen <irar@il.ibm.com>
8379 Dorit Nuzman <dorit@il.ibm.com>
8381 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8382 * targhooks.c (default_builtin_vectorized_conversion): New.
8383 * targhooks.h (default_builtin_vectorized_function): New declaration.
8384 * target.h (struct vectorize): Add builtin_conversion field.
8385 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8386 stmt_vec_info_type value.
8387 (vectorizable_conversion): New declaration.
8388 * tree-vect-analyze.c (vect_analyze_operations): Add
8389 vectorizable_conversion call.
8390 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8391 * tree-vect-transform.c (vectorizable_conversion): New function.
8392 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8393 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8395 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8396 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8397 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8398 or ALTIVEC_BUILTIN_VCFSX.
8400 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8403 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8404 CONST_DOUBLE and operand 0 is a hard register.
8405 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8406 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
8407 is a hard floating-point register.
8409 2007-02-10 Richard Henderson <rth@redhat.com>
8410 Jakub Jelinek <jakub@redhat.com>
8411 Alexandre Oliva <aoliva@redhat.com>
8413 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8414 * builtin-types.def (BT_WORD): Make unsigned.
8415 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8416 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8417 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8418 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8419 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8420 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8422 * expr.c (emutls_var_address): New.
8423 (expand_expr_real_1): Expand emulated tls.
8424 (expand_expr_addr_expr_1): Likewise.
8425 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8426 * output.h (emutls_finish): Declare.
8427 * toplev.c (compile_file): Call it.
8428 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8429 address before wrapping in CONST.
8430 * varasm.c (emutls_htab, emutls_object_type): New.
8431 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8432 (get_emutls_object_name, get_emutls_object_type): New.
8433 (get_emutls_init_templ_addr, emutls_decl): New.
8434 (emutls_common_1, emutls_finish): New.
8435 (assemble_variable): When emulating tls, swap decls; generate
8436 constructor for the emutls objects.
8437 (do_assemble_alias): When emulating tls, swap decl and target name.
8438 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8440 * varpool.c (decide_is_variable_needed): Look at force_output.
8441 Recurse for emulated tls.
8442 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8443 with decide_is_variable_needed.
8444 * emutls.c: New file.
8445 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8446 tls_object for real tls.
8448 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8450 PR rtl-optimization/29599
8451 * reload1.c (eliminate_regs_in_insn): Take the destination
8452 mode into account when computing the offset.
8454 2007-02-09 Stuart Hastings <stuart@apple.com>
8455 Richard Henderson <rth@redhat.com>
8457 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8458 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8459 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8460 fixuns_truncdfhi2): New.
8461 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8462 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8463 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8464 (floatunssidf2): Allow nonimmediate source.
8465 * config/i386/sse.md (movdi_to_sse): New.
8466 (vec_concatv2di): Drop '*'.
8467 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8468 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8469 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8471 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8472 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8473 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8474 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8475 (ix86_build_signbit_mask): Fix decl of v, refactor to call
8476 ix86_build_const_vector.
8477 (x86_emit_floatuns): Rewrite.
8479 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8481 * genautomata.c (longest_path_length): Delete unused function.
8482 (struct state): Delete unused longest_path_length.
8483 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8484 (get_free_state): Delete unused.
8486 2007-02-09 Jan Hubicka <jh@suse.cz>
8488 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8489 * doc/invoke.texi (inline-unit-growth): Update default value.
8491 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8492 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8493 (rebuild_cgraph_edges): Likewise.
8494 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8495 (dump_cgraph_node): Dump frequencies.
8496 (cgraph_clone_edge): Add frequency scales.
8497 (cgraph_clone_node): Add freuqnecy.
8498 * cgraph.h (cgraph_edge): Add freuqnecy argument.
8499 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8500 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8501 * tree-pass.h (TODO_rebuild_frequencies): New constant.
8502 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8503 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8504 (save_inline_function_body): Likewise.
8505 * ipa-inline.c: inluce rtl.h
8506 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8507 (cgraph_edge_badness): Use frequencies.
8508 (cgraph_decide_recursive_inlining): Update clonning.
8509 (cgraph_decide_inlining_of_small_function): Dump frequency.
8510 * predict.c (estimate_bb_frequencies): Export.
8511 * predict.h (estimate_bb_frequencies): Declare.
8512 * tree-inline.c (copy_bb): Watch overflows.
8513 (expand_call_inline): Update call of cgraph_create_edge.
8514 (optimize_inline_calls): Use TODO flags to update frequnecies.
8515 * passes.h: Include predict.h
8516 (init_optimization_passes): Move profile ahead.
8517 (execute_function_todo): Handle TODO_rebuild_frequencies.
8519 2007-02-09 Roger Sayle <roger@eyesopen.com>
8521 * config/alpha/alpha.c (emit_insxl): Force the first operand of
8522 the insbl or inswl pattern into a register.
8524 2007-02-09 Roger Sayle <roger@eyesopen.com>
8526 * config/ia64/ia64.md (bswapdi2): New define_insn.
8528 2007-02-09 Richard Henderson <rth@redhat.com>
8530 * config/i386/constraints.md (Ym): New constraint.
8531 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8532 (movdi_1_rex64): Split sse and xmm general register moves from
8533 memory move alternatives. Use conditional register constraints.
8534 (movsf_1, movdf_integer): Likewise.
8535 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8536 (movdf_integer_rex64): New.
8537 (pushsf_rex64): Fix output constraints.
8538 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8539 (sse2_stored): Likewise.
8540 (sse2_storeq_rex64): New.
8541 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8542 amd and not generic.
8543 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8544 for optimize_size. Remove SF/DFmode hack.
8546 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8548 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8551 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
8552 Richard Sandiford <richard@codesourcery.com>
8554 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8555 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8556 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8557 m68k/t-mlib to tmake_file.
8558 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
8559 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8560 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8561 Allow it to be cf or m68k. Set m68k_arch_family. If that
8562 variable is not empty, add t-$m68k_arch_family to tmake_file.
8563 Add t-mlibs to tmake_file.
8564 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8565 * config/m68k/t-cf: New file.
8566 * config/m68k/t-m68k: Likewise.
8567 * config/m68k/t-mlibs: Likewise.
8568 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8569 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8570 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8571 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8572 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8574 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8575 (INSTALL_LIBGCC): Delete.
8576 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8577 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8578 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8579 (M68K_MLIB_CPU): Define.
8580 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8581 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8582 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8584 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8585 Richard Guenther <rguenther@suse.de>
8588 * fold-const.c (fold_comparison): Handle obfuscated comparisons
8589 against INT_MIN/INT_MAX.
8590 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8591 file if a loop is removed.
8593 2007-02-09 Joseph Myers <joseph@codesourcery.com>
8595 * calls.c (store_one_arg): Pass correct alignment to
8596 emit_push_insn for non-BLKmode values.
8597 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8598 unaligned stack slot via a suitably aligned slot.
8600 2007-02-08 DJ Delorie <dj@redhat.com>
8602 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8604 (legal_subregs): Use unsigned char, make const.
8605 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
8607 2007-02-08 Paul Brook <paul@codesourcery.com>
8609 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8610 special interworking needed.
8612 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
8614 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8615 conditional to __SSE2__.
8616 (Entries below should have been added to first ChangeLog
8617 entry for amdfam10 dated 2007-02-05)
8618 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8620 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8622 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8625 2007-02-08 DJ Delorie <dj@redhat.com>
8627 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8628 * config/m32c/m32c.c (legal_subregs): New.
8629 (m32c_illegal_subreg_p): New.
8630 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8631 unsupported subregs of hard regs.
8633 2007-02-08 Jan Hubicka <jh@suse.cz>
8635 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8636 the same one; always update histograms.
8638 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8640 * passes.c (init_optimization_passes): Tidy comment.
8642 2007-02-08 Roger Sayle <roger@eyesopen.com>
8644 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8645 strip zero_extend, bswap and rotates from POCOUNT's argument.
8646 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8647 zero_extend and rotates from PARITY's argument.
8648 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8649 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8650 of an integer constant at compile-time.
8652 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8655 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8657 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
8660 * tree-ssa-live.c (remove_unused_locals): Do not remove
8661 TREE_ADDRESSABLE variables.
8662 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8663 * tree-ssa-operands.c (add_virtual_operand): Remove argument
8664 FOR_CLOBBER. Update all users.
8665 If VAR has an associated alias set, add a virtual operand for
8666 it if no alias is found to conflict with the memory reference.
8668 2007-02-07 Jan Hubicka <jh@suse.cz>
8669 Robert Kidd <rkidd@crhc.uiuc.edu>
8671 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8673 2007-02-07 Ian Lance Taylor <iant@google.com>
8675 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8677 2007-02-07 Roger Sayle <roger@eyesopen.com>
8679 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8680 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8681 tablejumpdi, movsi_to_cr_one): Remove constraints from
8682 define_expand's match_operands.
8684 2007-02-07 Roger Sayle <roger@eyesopen.com>
8686 * global.c (compute_regsets): Move declatation of "i" inside of
8687 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8689 2007-02-07 Jakub Jelinek <jakub@redhat.com>
8692 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8693 of INDIRECT_REF <RESULT_DECL>.
8695 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8697 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
8698 Kaz Kojima <kkojima@gcc.gnu.org>
8701 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8703 (sh_initialize_trampoline): Add parentheses to avoid a warning.
8705 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8707 * doc/loop.texi: Document possibility not to perform disambiguation
8708 of loops with multiple latches.
8709 * cfgloopmanip.c (alp_enum_p): Removed.
8710 (add_loop): Handle subloops. Use get_loop_body_with_size.
8711 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8712 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8713 the new forwarder block.
8714 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8715 Handle the case latch is NULL.
8716 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8717 when marking loop exits.
8718 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
8720 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
8721 disambiguate_loops_with_multiple_latches.
8722 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8723 before fix_loop_structure.
8724 * cfgloop.c: Include pointer-set.h and output.h.
8725 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8726 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8727 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8728 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8729 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8730 disambiguate_multiple_latches, get_loop_body_with_size,
8731 disambiguate_loops_with_multiple_latches): New functions.
8732 (flow_loop_dump): Dump multiple latch edges.
8733 (flow_loop_nodes_find): Handle loops with multiple latches.
8734 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8735 (glb_enum_p): Modified.
8736 (get_loop_body): Use get_loop_body_with_size.
8737 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8738 (AVOID_CFG_MODIFICATIONS): New constant.
8739 (disambiguate_loops_with_multiple_latches, add_loop,
8740 get_loop_body_with_size): Declare.
8741 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8743 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
8746 * global.c (compute_regsets): New function.
8747 (global_alloc): Refactored ELIMINABLE_REGSET
8748 and NO_GLOBAL_ALLOC_REGS computation out.
8749 (rest_of_handle_global_alloc): Call compute_regsets()
8750 for non-optimizing case.
8752 2007-02-06 Richard Henderson <rth@redhat.com>
8754 * config/i386/constraints.md (Y2): Rename from Y.
8755 (Yi): New constraint.
8756 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8757 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8758 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8759 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8760 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8761 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8762 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8763 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8764 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8765 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8766 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8767 vec_extractv2si_1): Change Y constraints to Y2.
8768 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8769 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8770 Change Y constraints to Y2.
8771 (sse2_loadld): Change Y constraints to x.
8773 2007-02-06 Roger Sayle <roger@eyesopen.com>
8775 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8776 (parity<mode>2): New define_expand using rs6000_emit_parity.
8777 * config/rs6000/rs6000.c (rs6000_emit_popcount,
8778 rs6000_emit_parity): New functions.
8779 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8780 rs6000_emit_parity): Prototype here.
8782 2007-02-06 Ian Lance Taylor <iant@google.com>
8784 * lower-subreg.c (simple_move_operand): Reject CONST.
8785 (resolve_clobber): Call validate_change rather than directly
8786 assigning to XEXP (pat, 0).
8788 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8790 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8791 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8792 (tree-cfg.o): Remove hashtab.h dependency.
8794 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8795 (struct ivopts_data): Change niters to pointer_map_t.
8796 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8797 (niter_for_exit): Create pointer_map on demand. Change for
8799 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8800 (free_loop_data): Destroy data->niters if created and reset field.
8801 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8802 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8804 * tree-ssa-reassoc.c: Include pointer-set.h.
8805 (bb_rank): Change to long *.
8806 (operand_rank): Change to pointer_map_t.
8807 (find_operand_rank): Return long, -1 if not found. Declare as inline.
8808 (insert_operand_rank): Accept long.
8809 (operand_entry_hash, operand_entry_eq): Remove.
8810 (get_rank): Return long. Adjust for changes above.
8811 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
8813 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8815 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8816 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8817 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
8819 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
8820 directly since it cannot be NULL.
8821 (get_vi_for_tree): Rewrite for pointer_map API.
8822 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8823 (init_alias_vars): Create vi_for_tree as pointer_map.
8824 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8826 * tree-cfg.c: Don't include hashtab.h.
8827 (edge_to_cases): Declare as pointer_map.
8828 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8830 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8831 (start_recording_case_labels): Create edge_to_cases as pointer_map.
8832 (end_recoding_case_labels): Cleanup edge_to_cases manually before
8834 (record_switch_edge): Delete.
8835 (get_cases_for_edge): Adjust for pointer_map API, inline
8836 record_switch_edge (rewritten for new API), remove goto.
8838 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8840 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8841 * tree-nested.c: Include pointer-set.h.
8842 (var_map_elt, var_map_eq, var_map_hash): Delete.
8843 (struct nesting_info): Remove GTY marker. Change the two htab_t's
8845 (nesting_info_bitmap_obstack): New.
8846 (lookup_field_for_decl): Adjust for pointer_map API.
8847 (lookup_tramp_for_decl): Adjust for pointer_map API.
8848 (get_nonlocal_debug_decl): Adjust for pointer_map API.
8849 (get_local_debug_decl): Adjust for pointer_map API.
8850 (convert_nl_goto_reference): Adjust for pointer_map API.
8851 (convert_nl_goto_receiver): Adjust for pointer_map API.
8852 (create_nesting_tree): Create outside GGC space. Create bitmap on
8853 the new obstack. Create field_map and var_map as pointer_maps.
8854 (free_nesting_tree): Adjust for changes to create_nesting_tree.
8856 (lower_nested_functions): Move root here, no need to NULL it.
8857 Initialize and release the obstack.
8859 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
8861 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8862 Remove prototypes and make them non-static.
8863 (struct tree_int_map): Remove.
8864 * tree.h (struct tree_int_map): Move here, turning TO into an
8866 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8868 * tree.h (TREE_COMPLEXITY): Remove.
8869 (struct tree_exp): Remove complexity field.
8870 * tree.c (build1_stat): Don't set it.
8872 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
8873 Victor Kaplansky <victork@il.ibm.com>
8875 * tree-vectorizer.c (vect_is_simple_use): Support induction.
8876 (vect_is_simple_reduction): Support reduction with induction as
8877 one of the operands.
8878 (vect_is_simple_iv_evolution): Fix formatting.
8879 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8880 formatting. Don't mark induction phis for vectorization.
8881 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8882 * tree-vect-transform.c (get_initial_def_for_induction): New function.
8883 (vect_get_vec_def_for_operand): Support induction.
8884 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8886 (vectorizable_reduction): Support reduction with induction as one of
8888 (vectorizable_type_demotion): Use def-type of stmt argument rather
8889 than dummy def-type.
8891 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8892 flag_tree_scev_cprop.
8893 * common.opt (tree-scev-cprop): New flag.
8895 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8896 call to vect_get_new_vect_var.
8898 2007-02-06 Ira Rosen <irar@il.ibm.com>
8900 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8901 vectype is not NULL.
8902 (vect_pattern_recog_1): Likewise.
8904 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8906 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8907 (fold_negate_expr): Likewise.
8909 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
8912 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8913 even if cv-qualification is the same.
8915 2007-02-05 Geoffrey Keating <geoffk@apple.com>
8917 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8918 __enable_execute_stack on completion.
8920 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8922 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8923 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8924 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8925 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8926 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8927 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8928 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8929 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8931 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8933 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8934 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8935 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8936 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8937 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8938 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8939 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8940 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8941 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8942 umuldi3_highpart_rex64, umulsi3_highpart_insn,
8943 umulsi3_highpart_zext, smuldi3_highpart_rex64,
8944 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8945 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8946 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8947 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8948 sqrtextenddfxf2_i387): Added amdfam10_decode.
8950 * config/i386/athlon.md (athlon_idirect_amdfam10,
8951 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8952 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8953 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8954 athlon_ivector_store_amdfam10): New define_insn_reservation.
8955 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8958 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8960 * config/i386/athlon.md (athlon_call_amdfam10,
8961 athlon_pop_amdfam10, athlon_lea_amdfam10): New
8962 define_insn_reservation.
8963 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8964 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8965 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8967 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8969 * config/i386/athlon.md (athlon_sseld_amdfam10,
8970 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8971 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8973 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8975 * config/i386/athlon.md (athlon_sseins_amdfam10): New
8976 define_insn_reservation.
8977 * config/i386/i386.md (sseins): Added sseins to define_attr type
8978 and define_attr unit.
8979 * config/i386/sse.md: Set type attribute to sseins for insertq
8982 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8984 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8985 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8986 ssecomi_load_amdfam10, ssecomi_amdfam10,
8987 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8988 define_insn_reservation.
8989 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8991 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8993 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8994 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8995 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8996 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8997 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8998 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8999 define_insn_reservation.
9001 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9002 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9003 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9004 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9005 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9007 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9009 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9010 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9011 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9012 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9013 athlon_ssemul_load_k8): Added amdfam10.
9015 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9017 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9018 (x86_sse_unaligned_move_optimal): New variable.
9020 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9022 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9023 for unaligned vector SSE double/single precision loads for AMDFAM10.
9025 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9027 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9028 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9029 Define TARGET_CPU_DEFAULT_amdfam10.
9030 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9031 (processor_type): Add PROCESSOR_AMDFAM10.
9033 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9034 processor_type in config/i386/i386.h.
9035 Enable imul peepholes for TARGET_AMDFAM10.
9037 * config.gcc: Add support for --with-cpu option for amdfam10.
9039 * config/i386/i386.c (amdfam10_cost): New variable.
9040 (m_AMDFAM10): New macro.
9041 (m_ATHLON_K8_AMDFAM10): New macro.
9042 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9043 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9044 x86_promote_QImode, x86_integer_DFmode_moves,
9045 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9046 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9047 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9048 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9049 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9050 Enable/disable for amdfam10.
9051 (override_options): Add amdfam10_cost to processor_target_table.
9052 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9053 processor_alias_table.
9054 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9055 (ix86_adjust_cost): Add code for amdfam10.
9057 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9059 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9060 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9061 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9062 * config/i386/i386.h: Add builtin definition for SSE4A.
9063 * config/i386/i386.md: Add support for ABM instructions
9065 * config/i386/sse.md: Add support for SSE4A instructions
9066 (movntss, movntsd, extrq, insertq).
9067 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9068 Add -march=amdfam10 flag.
9069 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9070 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9072 * doc/extend.texi: Add documentation for SSE4A builtins.
9074 2007-02-05 Bob Wilson <bob.wilson@acm.org>
9076 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9078 2007-02-05 Richard Guenther <rguenther@suse.de>
9080 * tree-vectorizer.h (vectorizable_function): Add argument type
9081 argument, change return type.
9082 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9083 * tree-vect-transform.c (vectorizable_function): Handle extra
9084 argument, return vectorized function decl.
9085 (build_vectorized_function_call): Remove.
9086 (vectorizable_call): Handle calls with result and argument types
9087 differing. Handle loop vectorization factor correctly.
9088 * targhooks.c (default_builtin_vectorized_function): Adjust for
9090 * targhooks.h (default_builtin_vectorized_function): Likewise.
9091 * target.h (builtin_vectorized_function): Add argument type
9093 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9094 extra argument, allow vectorizing of lrintf.
9095 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9096 documentation of target hook.
9098 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
9101 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9102 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9103 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9105 2007-02-05 Roger Sayle <roger@eyesopen.com>
9107 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9108 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9109 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9110 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9111 before canonicalizing sincos to cexpi.
9112 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9114 2007-02-05 Roger Sayle <roger@eyesopen.com>
9116 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9117 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9118 (alpha_init_builtins): Use alpha_add_builtins to process tables.
9120 2007-02-05 Roger Sayle <roger@eyesopen.com>
9122 * mips-tfile.c (initialize_init_file): Correct endianness test.
9124 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
9126 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9129 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9131 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9132 saves in a PARALLEL before the register assignments.
9134 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9136 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9137 DWARF_FRAME_RETURN_COLUMN to be a general register.
9138 * dwarf2out.c (init_return_column_size): New function, split from...
9139 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
9140 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9141 to be nongeneral registers.
9142 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9144 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9145 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9147 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9149 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9151 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9153 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9154 (remove_path): Use can_remove_branch_p and remove_branch instead
9155 of loop_delete_branch_edge.
9156 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9157 (tree_transform_and_unroll_loop): Remove dead branches immediately.
9158 Update profile using scale_dominated_blocks_in_loop.
9159 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9160 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9161 (can_remove_branch_p, remove_branch): Declare.
9162 * tree-cfg.c (tree_can_remove_branch_p): New function.
9163 (tree_cfg_hooks): Add tree_can_remove_branch_p.
9164 * cfgrtl.c (rtl_can_remove_branch_p): New function.
9165 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9167 2007-02-05 Jan Hubicka <jh@suse.cz>
9170 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9171 nodes in cgraph, don't remove offline copy of the function.
9173 2007-02-04 Jan Hubicka <jh@suse.cz>
9175 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9176 vectors might cause maybe_lookup_element_for_expr to be called
9177 on non-sra-candidate.
9179 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9181 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9182 config/bfin/bfin.md, config/bfin/predicates.md: Follow
9183 spelling conventions.
9185 2007-02-04 Richard Guenther <rguenther@suse.de>
9188 * fold-const.c (try_move_mult_to_index): Make sure to not
9189 overflow one dimension of a multi-dimensional array access.
9191 2007-02-04 Jan Hubicka <jh@suse.cz>
9193 * passes.c (init_optimization_passes): Reindent.
9195 2007-02-04 Jan Hubicka <jh@suse.cz>
9196 Eric Botcazou <ebotcazou@adacore.com>
9198 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9199 (execute_fixup_cfg): Break out the abnormal goto code.
9200 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9201 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9202 (optimize_inline_calls): Call make_nonlocal_label_edges.
9204 2007-02-04 Jan Hubicka <jh@suse.cz>
9206 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9207 true when something was changed.
9208 (rename_ssa_copies): When something was changed, do
9209 TODO_remove_unused_locals.
9210 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9211 add TODO_remove_unused_locals when instruction was removed.
9213 2007-02-04 Jan Hubicka <jh@suse.cz>
9215 * ipa-inline.c (try_inline): Improve debug output; work on already
9217 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9218 call try_inline for already inlined edges too when flattening;
9219 inline also functions that make callee growth but overall unit size
9222 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9224 * config/m32c/bitops.md, config/m32c/jump.md,
9225 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9226 config/m32r/m32r.h, config/m32r/m32r.md,
9227 config/m32r/predicates.md, config/m68hc11/larith.asm,
9228 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9229 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9230 config/mips/mips-protos.h, config/mips/mips.c,
9231 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9232 config/mn10300/mn10300.h, config/mn10300/predicates.md,
9233 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9234 spelling conventions.
9236 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9237 Follow spelling conventions.
9239 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
9241 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9242 warn about C++0x compatibility.
9244 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9246 * config/h8300/h8300.c, config/h8300/h8300.h,
9247 config/h8300/h8300.md: Follow spelling conventions.
9249 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
9252 * combine.c (try_combine): Do not substitute source operand
9253 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9255 2007-02-03 Jan Hubicka <jh@suse.cz>
9257 PR gcov-profile/30650
9258 * value-prof.c (stringop_block_profile): Fix handling of size counter;
9259 do not divide by zero for never executed counters.
9260 (tree_find_values_to_profile): Fix counters.
9261 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9263 2007-02-03 Ian Lance Taylor <iant@google.com>
9265 * lower-subreg.c (simple_move_operand): New static function,
9266 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
9268 (simple_move): Call simple_move_operand.
9269 (find_decomposable_subregs): Add special handling of MEMs.
9270 (can_decompose_p): Rename from cannot_decompose_p. Reverse
9271 meaning of return value. If we see a hard register, test whether
9272 it can store a word_mode value. Change all callers.
9274 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9276 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9277 ftrapv insns and expanders.
9278 (subdi3): Change define_expand operand 1 to arith11_operand, and
9279 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
9280 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
9281 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9285 * varasm.c (notice_global_symbol): Treat global objects as weak when
9288 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9290 * emit-rtl.c (dconstpi): Delete.
9292 (init_emit_once): Delete dconstpi and init dconstsqrt2.
9293 * real.h (dconstpi): Delete.
9295 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9296 (fold_builtin_hypot): Likewise.
9298 2007-02-03 Tom Tromey <tromey@redhat.com>
9301 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9302 -gcoff3, -gxcoff3, -gvms3 implies -dD.
9304 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
9306 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9307 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9308 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9309 config/rs6000/cell.md, config/rs6000/darwin.h,
9310 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9311 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9312 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9313 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9314 typos. Follow spelling conventions.
9315 * doc/invoke.texi: Follow spelling conventions.
9317 2007-02-03 Roger Sayle <roger@eyesopen.com>
9319 * simplify-rtx.c (simplify_relational_operation_1): Implement some
9320 canonicalization transformations that attempt to simplify integer
9321 constant comparisons to become comparisons against zero.
9323 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9325 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9327 * fold-const.c (fold_binary): Fix comment typos. Fold complex
9328 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
9330 2007-02-02 Mike Stump <mrs@apple.com>
9332 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9333 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9334 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9335 generate a branch island.
9337 2007-02-02 Bob Wilson <bob.wilson@acm.org>
9339 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9340 (xtensa_legitimate_address_p): New.
9341 (xtensa_legitimize_address): New.
9342 (xtensa_output_addr_const_extra): New.
9343 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9345 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9346 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9347 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9348 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9349 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9350 (xtensa_legitimize_address): New.
9351 (xtensa_output_addr_const_extra): New.
9353 2007-02-02 Steve Ellcey <sje@cup.hp.com>
9355 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9357 2007-02-02 Ian Lance Taylor <iant@google.com>
9359 * expmed.c (expand_divmod): Add comment.
9361 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
9363 * emit-rtl.c (renumber_insns): Remove.
9364 * flags.h: Remove the extern for flag_renumber_insns.
9365 * rtl.h: Remove the prototype for renumber_insns.
9366 * toplev.c (flag_renumber_insns): Remove.
9368 2007-02-02 Hui-May Chang <hm.chang@apple.com>
9370 Revert for x86 darwin:
9371 2005-06-19 Uros Bizjak <uros@kss-loka.si>
9373 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9374 code before the following patch under TARGET_MACHO.
9375 (ix86_function_value_regno_p): Likewise.
9377 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9379 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9382 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9385 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9386 general or fp registers. Add comments.
9387 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9389 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
9391 * pointer-set.c (insert_aux): Only return insertion slot.
9392 (pointer_set_insert): Adjust.
9393 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9394 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9395 pointer_map_traverse): New.
9396 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9397 pointer_map_create, pointer_map_destroy, pointer_map_insert,
9398 pointer_map_contains, pointer_map_traverse): Declare.
9400 2007-02-02 Jakub Jelinek <jakub@redhat.com>
9403 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9404 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
9406 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9408 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9410 (struct _dep): New type.
9411 (dep_t): New typedef.
9412 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9413 (DEP_STATUS): New access macro. The macro with the same name was
9414 renamed to DEP_LINK_STATUS.
9415 (dep_init): Declare function
9417 (struct _dep_link): New type.
9418 (dep_link_t): New typedef.
9419 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9420 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9421 (DEP_LINK_STATUS): New macro.
9422 (debug_dep_links): New debug function.
9424 (struct _deps_list): New type.
9425 (deps_list_t): New typedef.
9426 (DEPS_LIST_FIRST): New access macro.
9427 (FOR_EACH_DEP_LINK): New cycle macro.
9428 (create_deps_list, free_deps_list, delete_deps_list): Declare
9430 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9431 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9432 (copy_deps_list_change_con): Ditto.
9434 (move_dep_link): Declare function.
9436 (struct _dep_node): New type.
9437 (dep_node_t): New typedef.
9438 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9440 (struct haifa_insn_data.back_deps): New field to hold backward
9441 dependencies of the insn.
9442 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
9444 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9445 Change its type to deps_list_t.
9446 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9447 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9448 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9450 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
9452 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
9454 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9456 (dep_cost): Declare.
9458 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9459 (ds_to_dk, dk_to_ds): New functions.
9461 (init_dep_1): New static function.
9462 (init_dep): New function.
9463 (copy_dep): New static function.
9465 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9467 (detach_dep_link): New static function.
9468 (move_dep_link): New function.
9470 (dep_links_consistent_p, dump_dep_links): New static functions.
9471 (debug_dep_links): New debugging function.
9473 (deps_obstack, dl_obstack, dn_obstack): New static variables.
9475 (alloc_deps_list, init_deps_list): New static functions.
9476 (create_deps_list): New function.
9477 (clear_deps_list): New static function.
9478 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9479 (deps_list_consistent_p, dump_deps_list): New static functions.
9480 (debug_deps_list): New function.
9481 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9483 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9485 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9486 use new scheduler dependencies lists.
9487 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9488 (sched_analyze): Ditto. Initialize dependencies lists.
9489 (add_forw_dep, compute_forward_dependences): Update to use new
9490 scheduler dependencies lists.
9492 (init_dependency_caches): Init deps_obstack.
9493 (free_dependency_caches): Free deps_obstack.
9495 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9496 new scheduler dependencies lists.
9497 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9498 (add_back_forw_dep, delete_back_forw_dep): Ditto.
9500 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9501 Update to use new scheduler dependencies lists.
9502 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9503 (debug_dependencies): Ditto.
9504 (schedule_region): Update comments.
9506 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9507 scheduler dependencies lists.
9508 (schedule_ebb): Update comments.
9510 * rtl.def (DEPS_LIST): Remove.
9512 * lists.c (unused_deps_list): Remove.
9513 (free_list): Update assertions.
9515 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9516 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9518 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9519 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9521 * haifa-sched.c (comments): Update.
9522 (insn_cost1): Remove. Inline the code into insn_cost ().
9523 (insn_cost): Update to use new scheduler dependencies lists. Move
9524 processing of the dependency cost to dep_cost ().
9525 (dep_cost): New function. Use it instead of insn_cost () when
9526 evaluating cost of the dependency. Use compatible interface to
9527 interact with the target.
9528 (priority): Update to use new scheduler dependencies lists.
9529 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
9530 with greater number of insns that depend on the insn.
9531 (schedule_insn): Update to use new scheduler dependencies lists. Add
9532 code to free backward dependencies lists. Inline and optimize code
9533 from resolve_dep () - see PR28071.
9534 (ok_for_early_queue_removal): Update to use new scheduler dependencies
9535 lists. Update call to targetm.sched.is_costly_dependence hook.
9537 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9538 scheduler dependencies lists.
9540 (resolve_dep): Remove. Move the logic to schedule_insn ().
9541 (init_h_i_d): Initialize dependencies lists.
9543 (process_insn_depend_be_in_spec): Rename to
9544 process_insn_forw_deps_be_in_spec. Update to use new scheduler
9546 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9547 Update to use new scheduler dependencies lists.
9548 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9550 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9551 new scheduler dependencies lists.
9552 (build_intra_loop_deps): Ditto.
9554 * target.h (struct _dep): Declare to use in
9555 gcc_target.sched.is_costly_dependence.
9556 (struct gcc_target.sched.adjust_cost): Fix typo.
9557 (struct gcc_target.sched.is_costly_dependence): Change signature to use
9558 single dep_t parameter instead of an equivalent triad.
9559 (struct gcc_target.sched.adjust_cost_2): Remove.
9561 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9563 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9565 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9567 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9569 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9570 (REG_DEP_TRUE): Document.
9572 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9573 Change signature to correspond to the targetm.sched.adjust_cost hook.
9574 Update use in TARGET_SCHED_ADJUST_COST_2.
9575 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9576 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9577 new scheduler dependencies lists.
9578 (ia64_gen_check): Ditto.
9580 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9583 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9584 signature to correspond to the targetm.sched.is_costly_dependence hook.
9585 (is_costly_group): Update to use new scheduler dependencies lists.
9587 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9588 instead of INSN_COST () macro.
9590 2007-02-01 Ian Lance Taylor <iant@google.com>
9592 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9594 2007-02-01 Guy Martin <gmsoft@gentoo.org>
9596 * pa.md (tp_load): Correct mfctl instruction syntax.
9598 2007-02-01 Geoffrey Keating <geoffk@apple.com>
9600 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9601 altivec_padding_size calculation on AIX. Improve comment, add
9602 assert to verify that it's right.
9604 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9607 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
9610 * global.c (global_alloc): Add mising initialization of
9613 2007-02-01 Roger Sayle <roger@eyesopen.com>
9615 * alias.c (init_alias_analysis): Correct whitespace.
9616 * bb-reorder.c (fix_edges_for_rarely_executed_code,
9617 partition_hot_cold_basic_blocks): Likewise.
9618 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9619 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9620 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9621 fold_builtin_snprintf_chk, fold_builtin_printf,
9622 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9623 do_mpfr_arg3, do_mpfr_sincos): Likewise.
9624 * cfgcleanup.c (cleanup_cfg): Likewise.
9625 * cfgexpand.c (tree_expand_cfg): Likewise.
9626 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9627 * function.c (get_next_funcdef_no): Likewise.
9628 * gengtype.c (main): Likewise.
9629 * genmodes.c (main): Likewise.
9630 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9631 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9632 * ifcvt.c (noce_emit_move_insn): Likewise.
9633 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9635 * stor-layout.c (get_best_mode): Likewise.
9636 * tree-ssa-loop-niter.c (get_val_for): Likewise.
9637 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9638 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9639 perform_var_substitution, solve_graph): Likewise.
9640 * tree-vrp.c (vrp_finalize): Likewise.
9642 2007-02-01 Ian Lance Taylor <iant@google.com>
9644 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9645 high part of a paradoxical subreg, return a constant zero.
9647 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
9649 * toplev.c (lang_dependent_init): Call init_set_costs.
9650 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9652 2007-02-01 Richard Guenther <rguenther@suse.de>
9655 * fold-const.c (fold_negate_expr): Allow negating a
9656 constant if overflow does not change.
9658 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9660 * doc/c-tree.texi (Expression trees): Improve markup.
9661 * doc/tm.texi (Register Classes, Addressing Modes)
9662 (Floating Point): Fix spacing after abbreviations. Fix some
9665 2007-02-01 Ben Elliston <bje@au.ibm.com>
9667 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9668 * doc/contrib.texi: Likewise.
9669 * doc/install.texi: Likewise.
9671 2007-01-31 Richard Henderson <rth@redhat.com>
9672 Ian Lance Taylor <iant@google.com>
9674 * lower-subreg.c: New file.
9675 * rtl.def (CONCATN): Define.
9676 * passes.c (init_optimization_passes): Add pass_lower_subreg and
9678 * emit-rtl.c (update_reg_offset): New static function, broken out
9679 of gen_rtx_REG_offset.
9680 (gen_rtx_REG_offset): Call update_reg_offset.
9681 (gen_reg_rtx_offset): New function.
9682 * regclass.c: Revert patch of 2006-03-05, restoring
9684 (clear_reg_info_regno): New function.
9685 * dwarf2out.c (concatn_loc_descriptor): New static function.
9686 (loc_descriptor): Handle CONCATN.
9687 * common.opt (fsplit_wide_types): New option.
9688 * opts.c (decode_options): Set flag_split_wide_types when
9690 * timevar.def (TV_LOWER_SUBREG): Define.
9691 * rtl.h (gen_reg_rtx_offset): Declare.
9692 (reg_scan_update): Declare.
9693 * regs.h (clear_reg_info_regno): Declare.
9694 * tree-pass.h (pass_lower_subreg): Declare.
9695 (pass_lower_subreg2): Declare.
9696 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9697 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
9699 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9700 * Makefile.in (OBJS-common): Add lower-subreg.o.
9701 (lower-subreg.o): New target.
9703 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9705 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9707 2007-01-31 Anatoly Sokolov <aesok@post.ru>
9710 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9712 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9715 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9717 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
9719 * cfgloop.h: Include vec-prim.h.
9720 (enum li_flags): Remove LI_ONLY_OLD.
9721 (loop_iterator): Changed.
9722 (fel_next, fel_init): Iterate over loop tree.
9723 (FOR_EACH_LOOP_BREAK): New macro.
9724 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9726 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9727 * modulo-sched.c (sms_schedule): Ditto.
9728 * tree-vectorizer.c (vectorize_loops): Ditto.
9729 * doc/loop.texi: Update information on loop numbering and behavior of
9730 FOR_EACH_LOOP wrto new loops.
9731 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9732 add_to_evolution_1): Test nestedness of loops instead of comparing
9734 * tree-chrec.c (chrec_fold_plus_poly_poly,
9735 chrec_fold_multiply_poly_poly, chrec_evaluate,
9736 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9737 reset_evolution_in_loop): Ditto.
9738 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9740 2007-01-31 Dirk Mueller <dmueller@suse.de>
9742 * c-common.c (warn_about_parentheses): Separate warning about
9743 un-parenthized sequence of comparison operators from the one
9744 which is supposed to warn about x <= y <= z.
9746 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
9748 * optabs.h (enum optab_index): Add new OTI_isinf.
9749 (isinf_optab): Define corresponding macro.
9750 * optabs.c (init_optabs): Initialize isinf_optab.
9751 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9753 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9754 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9756 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9757 expand_builtin_interclass_mathfn.
9758 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9759 * config/i386/i386.md (UNSPEC_FXAM): New constant.
9760 (fxam<mode>2_i387): New insn pattern.
9761 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9762 built-in functions as x87 inline asm.
9764 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9766 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9768 2007-01-30 Eric Christopher <echristo@apple.com>
9770 * config.gcc: Add geode.
9772 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9774 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9775 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9776 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9777 value-prof.c: Fix comment typos.
9779 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9782 * doc/invoke.texi (Wpointer-arith): Document warning.
9784 2007-01-30 Janis Johnson <janis187@us.ibm.com>
9786 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9787 the list of discrepancies from the draft TR.
9789 2007-01-30 Dirk Mueller <dmueller@suse.de>
9792 * doc/invoke.texi (-Wreturn-type): Update description to
9795 2007-01-30 Richard Sandiford <richard@codesourcery.com>
9797 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9799 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
9801 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9802 to handle optabs that operate on floating point input argument and
9803 output to integer output.
9804 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9805 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9806 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9807 expand_builtin_interclass_mathfn ().
9808 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9810 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9811 ilogbl built-in functions as x87 intrinsics.
9813 2007-01-30 Richard Guenther <rguenther@suse.de>
9816 * dwarf2out.c (reference_to_unused): Query varpool if the
9817 variable was output.
9819 2007-01-30 Richard Guenther <rguenther@suse.de>
9822 * passes.c (execute_one_pass): Reset in_gimple_form to not
9823 confuse non-unit-at-a-time mode.
9825 2007-01-29 Roger Sayle <roger@eyesopen.com>
9826 Richard Guenther <rguenther@suse.de>
9828 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9829 avoid undefined behaviour on overflow. Use force_fit_type_double
9830 to construct the constant with the specified TREE_OVERFLOW.
9832 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9834 * config/dfp-bit.c: Add parameterized support for fp exceptions.
9835 * config/dfp-bit.h: Ditto.
9837 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9839 * c-decl.c (pop_scope): Replace warnings with call to
9840 warn_for_unused_label.
9841 * c-common.h (warn_for_unused_label): Declare.
9842 * c-common.c (warn_for_unused_label): Define.
9844 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9846 * tree-optimize.c (update_inlined_to_pointers): Delete unused
9849 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9851 * Makefile.in (USER_H): Remove decfloat.h.
9852 * ginclude/decfloat.h: Delete, moving contents to ...
9853 * ginclude/float.h: Add support for decimal floating point,
9854 guarded by __STDC_WANT_DEC_FP__.
9856 2007-01-29 Mike Stump <mrs@apple.com>
9858 * doc/gccint.texi (Top): Rename Loop Representation to Loop
9859 Analysis and Representation to resolve case insensitive conflict.
9860 * doc/loop.texi (Loop Analysis and Representation): Likewise.
9862 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
9864 * tree.h (struct tree_memory_tag): Add aliases member.
9865 (MTAG_ALIASES): New macro.
9866 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9867 (add_may_alias): Remove pointer-set. Update for may_aliases being
9869 (mark_aliases_call_clobbered): Update for may_aliases being a
9871 (compute_tag_properties): Ditto.
9872 (create_partition_for): Ditto.
9873 (compute_memory_partitions): Ditto.
9874 (dump_may_aliases_for): Ditto.
9875 (is_aliased_with): Ditto.
9876 (add_may_alias_for_new_tag): Ditto.
9877 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9878 (compute_is_aliased): New function.
9879 (compute_may_aliases): Call compute_is_aliased).
9880 (init_alias_info): Initialize alias_bitmap_obstack.
9881 (union_alias_set_into): New function.
9882 (compute_flow_sensitive_aliasing): Use union_aliases_into.
9883 (have_common_aliases_p): Rewrite to take two bitmaps and use
9885 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9887 (finalize_ref_all_pointers): Update for add_may_alias changes.
9888 (new_type_alias): Ditto.
9889 * tree-flow-inline.h (may_aliases): Return a bitmap.
9890 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9891 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9892 may_aliases being a bitmap.
9893 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9894 may_aliases now returns a bitmap.
9895 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9897 * tree-ssa-operands.c (add_virtual_operand): Update for
9898 may_aliases being a bitmap.
9900 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
9902 PR tree-optimization/30630
9903 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9904 variable as changed.
9906 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
9909 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9910 expanded only once even if an error occurs.
9912 2007-01-29 Ben Elliston <bje@au.ibm.com>
9914 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9915 (__gcov_average_profiler): Likewise.
9916 (__gcov_ior_profiler): Likewise.
9917 (__gcov_merge_ior): Likewise.
9919 2007-01-28 Jan Hubicka <jh@suse.cz>
9921 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9922 * value-prof.c (stringop_block_profile): Likewise.
9924 2007-01-28 Jan Hubicka <jh@suse.cz>
9926 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9927 variant handling histograms; add wrapper.
9928 (clear_storage_via_libcall): Export.
9929 (emit_block_move_hints): Break out from ...; add histograms.
9930 (emit_block_move): ... this one.
9931 (clear_storage_hints): Break out from ...; add histograms.
9932 (clear_storage): ... this one.
9933 (set_storage_via_memset): Handle histogram.
9934 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9935 (clear_storage_hints, clear_storage_via_libcall): Declare.
9936 (set_storage_via_setmem): Update prototype.
9937 * doc/md.texi (movmem, setmem): Document new arguments.
9939 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9941 (stringop_block_profile): New global function.
9942 (tree_stringops_values_to_profile): Profile block size and alignment.
9943 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9945 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9946 (stringop_block_profile): Declare.
9947 * builtins.c: Include value-prof.h.
9948 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9949 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9950 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9951 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9952 * profile.c (instrument_values): Add new counters.
9953 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9955 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9956 (tree_init_edge_profiler): Build new profilers.
9957 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9958 (pass_tree_profile): Add dump.
9959 (tree_profile_hooks): Update.
9960 * Makefile.in (LIBGCOV): Add new constants.
9961 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9962 __gcov_ior_profiler): New.
9963 * i386.md (movmem/setmem expanders): Add new optional arguments.
9965 2007-01-28 David Edelsohn <edelsohn@gnu.org>
9967 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9969 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9971 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9972 (tree_unswitch_single_loop): Pass eni_size_weights to
9973 tree_num_loop_insns.
9974 * tree-ssa-loop-manip.c: Include tree-inline.h.
9975 (can_unroll_loop_p): Pass eni_size_weights to
9976 tree_num_loop_insns.
9977 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9978 Pass eni_size_weights to estimate_num_insns.
9979 * tree.h (init_inline_once): Export.
9980 * toplev.c (backend_init): Call init_inline_once.
9981 * cgraphunit.c (cgraph_process_new_functions,
9982 cgraph_analyze_function): Pass eni_inlining_weights to
9984 * ipa-inline.c (compute_inline_parameters): Ditto.
9985 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9986 to estimate_num_insns.
9987 (try_unroll_loop_completely): Pass eni_size_weights to
9988 tree_num_loop_insns.
9989 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9990 ot estimate_num_insns.
9991 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9992 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9993 * tree-inline.c (eni_inlining_weights, eni_size_weights,
9994 eni_time_weights): New variables.
9995 (init_inline_once): Initialize them.
9996 (struct eni_data): Mew.
9997 (estimate_num_insns_1, estimate_num_insns): Use weights.
9998 * tree-inline.h (struct eni_weights_d): New.
9999 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10000 (estimate_num_insns): Declaration changed.
10001 * cfgloop.h (tree_num_loop_insns): Declaration changed.
10002 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10003 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10005 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
10007 * tree-data-ref.c (conflict_fn): Assert that the number of affine
10008 relations in the conflict function is valid.
10010 2007-01-27 Ian Lance Taylor <iant@google.com>
10012 * common.opt: Add fstrict-overflow.
10013 * opts.c (decode_options): Set flag_strict_overflow if -O2.
10014 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10015 (TYPE_OVERFLOW_UNDEFINED): Define.
10016 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
10018 * tree.h (TYPE_TRAP_SIGNED): Don't define.
10019 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10020 (fold_negate_expr): Likewise.
10021 (make_range): Likewise.
10022 (extract_muldiv_1): Likewise.
10023 (maybe_canonicalize_comparison): Likewise.
10024 (fold_comparison): Likewise.
10025 (fold_binary): Likewise.
10026 (tree_expr_nonnegative_p): Likewise.
10027 (tree_expr_nonzero_p): Likewise.
10028 * tree-vrp.c (compare_values): Likewise.
10029 (extract_range_from_binary_expr): Likewise.
10030 (extract_range_from_unary_expr): Likewise.
10031 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10033 (nowrap_type_p): Likewise.
10034 * tree-scalar-evolution.c (simple_iv): Likewise.
10035 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10036 (build_range_check): Likewise.
10037 (extract_muldiv_1): Likewise.
10038 (fold_comparison): Likewise.
10039 * tree-vrp.c (vrp_int_const_binop): Likewise.
10040 (extract_range_from_unary_expr): Likewise.
10041 * convert.c (convert_to_integer): Likewise.
10042 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10043 (fold_comparison): Likewise.
10044 (fold_binary): Likewise.
10045 * optabs.c (optab_for_tree_code): Likewise.
10046 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10047 * simplify-rtx.c (simplify_const_relational_operation): Check
10048 flag_strict_overflow and flag_trapv.
10049 (simplify_const_relational_operation): Likewise.
10050 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10051 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
10054 2007-01-27 Roger Sayle <roger@eyesopen.com>
10056 * tree.c (tree_fold_gcd): Delete.
10057 * tree.h (tree_fold_gcd): Remove prototype.
10058 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10059 test whether one constant integer is a multiple of another. Instead
10060 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10061 * fold-const.c (multiple_of_p): We've determined both TOP and
10062 BOTTOM are integer constants so we can call int_const_binop directly
10063 instead of the more generic const_binop.
10065 2007-01-27 Roger Sayle <roger@eyesopen.com>
10067 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10068 1*X check that the constant hasn't overflowed, to preserve the
10070 (round_up): Provide an efficient implementation when rouding-up an
10071 INTEGER_CST to a power-of-two.
10073 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10075 * doc/sourcebuild.texi: Add comma for clarity.
10076 * doc/extend.texi: Fix some typos.
10077 * doc/passes.texi: Likewise.
10078 * doc/cppinternals.texi: Likewise.
10079 * doc/c-tree.texi: Likewise.
10080 * doc/tree-ssa.texi: Likewise.
10081 * doc/install.texi: Likewise.
10083 2007-01-27 Jan Hubicka <jh@suse.cz>
10085 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10086 (pass_sra): Do not require alias information.
10087 * passes.c (init_optimization_passes): Add SRA
10089 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
10091 * tracer.c (rest_of_handle_tracer): We already cleaned
10092 up the CFG in tracer() so don't do it here again.
10093 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10094 cleanup_cfg here, either. And don't call renumber_insns.
10096 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10097 and BB_HEAD are in the insn stream here. Instead make sure
10098 that BB_INSN is valid on all insns. Also, do check here that
10099 there are no pending branch predictions...
10100 (rtl_verify_flow_info): ...instead of doing it here. Checks
10101 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10104 2007-01-26 Roger Sayle <roger@eyesopen.com>
10106 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10107 function to simplify/factorize operand order canonicalization.
10108 (ix86_fixup_binary_operands): Reorganize using the above function.
10109 (ix86_binary_operator_ok): Likewise.
10111 2007-01-27 Jakub Jelinek <jakub@redhat.com>
10113 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10114 file scope from optimize_attrs.
10115 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10117 (optimize_attrs): Clear insn_code_values after freeing it.
10119 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10121 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10122 a parts.base assignment.
10124 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10126 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10127 (compute_subscript_distance, initialize_data_dependence_relation,
10128 finalize_ddr_dependent, analyze_ziv_subscript,
10129 analyze_siv_subscript_cst_affine,
10130 compute_overlap_steps_for_affine_univar,
10131 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10132 analyze_siv_subscript, analyze_miv_subscript,
10133 analyze_overlapping_iterations, subscript_dependence_tester_1,
10134 compute_self_dependence, free_dependence_relation): Work
10135 with affine_fn instead of chrecs.
10136 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10137 common_affine_function, affine_function_base,
10138 affine_function_constant_p, affine_fn_op, affine_fn_plus,
10139 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10140 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10141 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10142 (all_chrecs_equal_p): Removed.
10143 * tree-data-ref.h (affine_fn, conflict_function): New types.
10144 (struct subscript): Change type of conflicting_iterations_in_a
10145 and conflicting_iterations_in_b.
10147 2007-01-26 Steve Ellcey <sje@cup.hp.com>
10150 * config/pa/pa.h (TARGET_HPUX_11): New.
10151 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10152 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10154 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
10155 Richard Guenther <rguenther@suse.de>
10157 * tree-ssa-structalias.c (solve_graph): Handle case
10158 we merged the variable to another.
10160 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10162 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10165 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10166 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10168 2007-01-25 DJ Delorie <dj@redhat.com>
10170 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10171 allow changes to modes which don't fit in those registers.
10173 * reload1.c (choose_reload_regs): Check for invalid subregs before
10174 computing their locations, not after.
10176 2007-01-25 Geoffrey Keating <geoffk@apple.com>
10179 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10180 save Altivec registers in an eh_return function.
10181 (compute_vrsave_mask): Likewise.
10182 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10183 for saving Altivec registers.
10184 (rs6000_emit_prologue): Don't allocate stack twice in
10185 eh_return function. Correct expected value of altivec_save_offset
10186 when using save_world. Describe save of R0 to stack when using
10187 save_world. Describe stack pointer adjustment when using
10188 save_world. Remove duplicated eh_return parameter register saving.
10189 Update sp_offset variable after save_world.
10190 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10192 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10193 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10196 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10198 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10200 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10203 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10204 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
10206 2007-01-25 Richard Guenther <rguenther@suse.de>
10208 * doc/invoke.texi (-Wcoverage-mismatch): Document.
10209 * common.opt (-Wcoverage-mismatch): New warning option.
10210 * coverage.c (get_coverage_counts): Ignore coverage mismatch
10211 if -Wcoverage-mismatch is given.
10213 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
10215 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10216 (ipcp_driver): Change to static definition.
10217 Add dumping of the ifunctions.
10218 (constant_val_insert): Remove unused parameter. Support for SSA.
10219 (ipcp_propagate_const): Support for SSA.
10220 (ipcp_profile_bb_print): Print only analyzed nodes.
10221 (ipcp_replace_map_create): Remove support for Fortran constant
10223 * ipa-prop.c (ipa_method_modify_stmt,
10224 ipa_callsite_compute_param): Support for SSA.
10225 * ipa-prop.h (ipcp_driver): Remove declaration.
10226 (IS_VALID_TREE_MAP_INDEX): Add define.
10228 2007-01-24 Geoffrey Keating <geoffk@apple.com>
10230 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10232 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10234 PR middle-end/30447
10235 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10236 constant argument to cabs and do it without checking for
10237 -funsafe-math-optimizations.
10239 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
10241 * c-common.h (RID_FIRST_CXX0X): New.
10242 (RID_LAST_CXX0X): New.
10243 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10245 * c.opt (Wc++0x-compat): New.
10246 * doc/invoke.texi (-Wc++0x-compat): Document.
10248 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10250 * builtins.c (fold_builtin_carg): New.
10251 (fold_builtin_1): Use it.
10253 2007-01-24 Jan Hubicka <jh@suse.cz>
10255 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10257 * ipa-inline.c (initial_insns, max_insns): Delete.
10258 (compute_max_insns): New function.
10259 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10260 of insns as base for code growth.
10261 (cgraph_decide_inlining): Make initial_insns local; do not compute
10263 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10264 * doc/invoke.texi (inline-unit-growth): Update docs.
10266 2007-01-24 Jakub Jelinek <jakub@redhat.com>
10268 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10269 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10270 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10271 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
10272 for CPUs that have PTA_CX16 set.
10274 PR middle-end/27416
10275 * gimplify.c (omp_check_private): New function.
10276 (gimplify_scan_omp_clauses): Use it for
10277 firstprivate/lastprivate/reduction.
10279 PR middle-end/30494
10280 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10281 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10283 PR middle-end/30421
10284 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10285 If lower_lastprivate_clauses emits some statements, append them
10286 to dlist rather than body_p and to body_p append an initializer.
10287 (lower_omp_for): Adjust caller.
10289 2007-01-24 Steve Ellcey <sje@cup.hp.com>
10291 * target.h (globalize_decl_name): New.
10292 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10293 * output.h (default_globalize_decl_name): New.
10294 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10296 (globalize_decl): Ditto.
10297 (default_globalize_decl_name): New.
10298 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10299 (ia64_handle_version_id_attribute): New.
10300 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10301 (ia64_asm_output_external): Use globalize_decl_name instead
10302 of globalize_label.
10303 * doc/extend.texi (version_id): New pragma.
10304 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10306 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10308 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10309 _uleb128_t and _Unwind_SWord with _sleb128_t.
10310 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10311 uw_frame_state_for, uw_update_context_1): Likewise.
10312 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10313 * unwind-pe.h (read_uleb128, read_sleb128,
10314 read_encoded_value_with_base): Likewise.
10315 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10317 2007-01-24 Richard Guenther <rguenther@suse.de>
10319 * builtins.c (expand_builtin_cexpi): Get the fndecl
10320 for cexp in the correct way.
10322 2007-01-24 Jan Hubicka <jh@suse.cz>
10324 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10326 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10328 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10329 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10330 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10331 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10332 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10333 __SIZEOF_PTRDIFF_T__.
10334 * doc/cpp.texi: Documentation for the new builtin macros added.
10336 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
10338 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10339 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10340 instead of operands[2] to avoid access past the end of array.
10342 2007-01-24 Richard Sandiford <richard@codesourcery.com>
10344 * reload1.c (emit_reload_insns): Pass the reload register
10345 for a non-spill output reload through forget_old_reloads_1.
10347 2007-01-23 Joseph Myers <joseph@codesourcery.com>
10349 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10350 _SOFT_DOUBLE if doubles use software floating-point.
10351 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10352 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10353 * config/rs6000/darwin-ldouble.c: Also compile functions for
10354 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
10355 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10356 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10357 commented-out long double override.
10358 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10359 * config/rs6000/eabispe.h: Likewise.
10360 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10361 long double for non-SPE.
10362 (rs6000_handle_option): Likewise.
10363 (invalid_e500_subreg): Disallow more subregs involding DImode,
10364 DFmode, TImode or TFmode.
10365 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10367 (legitimate_lo_sum_address_p): Also check for TFmode for E500
10369 (rs6000_legitimize_address): Also handle TFmode for E500 double.
10370 (rs6000_legitimize_reload_address): Also handle TFmode for E500
10372 (rs6000_legitimate_address): Also check for TFmode for E500
10374 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10375 (spe_build_register_parallel): Handle TFmode and TCmode.
10376 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10378 (function_arg): Handle TFmode and TCmode for E500 double.
10379 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10381 (print_operand): Handle TFmode and TImode for %y.
10382 (rs6000_generate_compare): Handle TFmode comparisons for E500
10384 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10385 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10386 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10387 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10388 TFmode for E500 double.
10389 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10390 (floatsidf2): Enable for E500 double.
10391 (movtf_softfloat): Use rs6000_nonimmediate_operand.
10392 (extenddftf2): Change to extenddftf2_fprs.
10393 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10394 depending on TARGET_E500_DOUBLE.
10395 (extendsftf2): Enable for E500 double.
10396 (trunctfdf2): Enable for E500 double.
10397 (trunctfsf2): Change to trunctfsf2_fprs.
10398 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10399 depending on TARGET_E500_DOUBLE.
10400 (floatsitf2): Enable for E500 double.
10401 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10402 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10403 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10404 (negtf2): Change to negtf2_internal.
10405 (negtf2): New expander.
10406 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
10407 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10408 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10409 (movdi_internal32): Use rs6000_nonimmediate_operand.
10410 (unnamed splitter): Likewise.
10411 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10412 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10413 (SPE64TF, DITI): New mode macros.
10414 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10417 (frob_<mode>_di_2): New.
10418 (frob_tf_di_8_2): New.
10419 (frob_di_df): Change to frob_di_<mode>; allow more modes.
10421 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10423 (frob_ti_<mode>_8_2): New.
10424 (frob_ti_tf_2): New.
10425 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10426 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10428 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10429 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10430 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10431 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10432 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10433 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10436 2007-01-23 Ian Lance Taylor <iant@google.com>
10438 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10440 (OBJS-archive): Reformat, alphabetize.
10441 (OBJS): Change out_object_file to OBJS-md.
10443 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
10445 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10446 JUMP_P and CALL_P predicates where applicable.
10447 * config/i386/i386.c: Ditto.
10448 * config/i386/i386.md: Ditto.
10449 * config/i386/mmx.md: Ditto.
10450 * config/i386/predicates.md: Ditto.
10452 2007-01-22 Andreas Schwab <schwab@suse.de>
10454 * config/m68k/m68k.h: Fix comment.
10456 2007-01-22 Jan Hubicka <jh@suse.cz>
10458 * passes.c (init_optimization_passes): Do not rerun
10459 pass_early_warn_uninitialized.
10461 2007-01-22 Richard Guenther <rguenther@suse.de>
10463 PR tree-optimization/30038
10464 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10466 (execute_cse_sincos_1): Likewise.
10467 (execute_cse_sincos): Likewise.
10468 (gate_cse_sincos): Likewise.
10469 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10470 the cexpi() canonicalization of sincos().
10471 * tree-pass.h (pass_cse_sincos): Declare.
10472 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10474 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10476 PR rtl-optimization/29329
10477 * combine.c (replaced_rhs_insn): Rename to i2mod.
10478 (replaced_rhs_value): Rename to i2mod_new_rhs.
10479 (i2mod_old_rhs): New global variable.
10480 (combine_instructions): Adjust for above change. Save a copy of
10481 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10482 note are substituted in the second instruction.
10483 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
10484 ditch the note if it pertains to the second eliminated register
10485 and this register is mentioned in i2mod_old_rhs.
10488 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
10490 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10491 the insn to which the note was originally attached.
10493 2007-01-21 Jan Hubicka <jh@suse.cz>
10495 * ipa-inline.c (inlining_mode): Comment, move up.
10496 (cgraph_decide_inlining_incrementally): Do not perform inlining
10497 itself; fix handling of flattening of self recursive functions.
10498 (cgraph_find_cycles): Remove.
10499 (cgraph_flatten_node): Remove.
10500 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10501 (try_inline): New function.
10502 (cgraph_early_inlining): Update call of
10503 cgraph_decide_inlining_incrementally. Apply inlining here.
10504 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10506 2007-01-21 Dirk Mueller <dmueller@suse.de>
10509 * tree-vrp.c (check_array_bounds): do not warn
10510 about ADDR_EXPR's of ARRAY_REF's which are immediately
10511 used in binary expressions.
10513 2007-01-21 Ira Rosen <irar@il.ibm.com>
10515 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10516 read_write_dep and macros for its access.
10517 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10518 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10519 argument, call vect_check_interleaving for every independent pair of
10520 data-refs. Mark loads that access the same memory location as a store
10522 (vect_check_dependences): Remove.
10523 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
10524 call, fix the call to vect_analyze_data_ref_dependence.
10525 (vect_analyze_data_ref_access): For statements that access the same
10526 data-ref, check that they are not stores; for loads, check that there
10527 is no store that access the same location.
10529 2007-01-20 Roger Sayle <roger@eyesopen.com>
10530 Joseph Myers <joseph@codesourcery.com>
10532 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10533 (-fdump-rtl-stack): Likewise.
10534 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
10535 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10536 (-mpt-fixed): Use @minus{} for minus sign.
10537 (Using Precompiled Headers): Fix under/overfull hbox.
10539 2007-01-20 Jan Hubicka <jh@suse.cz>
10541 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10542 place within annotation.
10544 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10546 * pa.c (output_move_double): Change array size of xoperands to 4.
10548 2007-01-20 Jan Hubicka <jh@suse.cz>
10550 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10553 2007-01-19 Ian Lance Taylor <iant@google.com>
10555 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10556 constant to unsigned HOST_WIDE_INT before negating.
10558 2007-01-19 Ian Lance Taylor <iant@google.com>
10560 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10562 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10563 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10564 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10565 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10566 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10567 (realloc_vdef, realloc_vuse): Change second parameter to
10569 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10570 fields to unsigned.
10571 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10572 unsigned. Change x and lim locals to unsigned.
10573 (realloc_vdef, realloc_vuse): Change num_elem parameter to
10575 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10576 (copy_virtual_operands): Change i and n locals to unsigned.
10578 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 PR middle-end/29335
10581 * builtins.c (fold_builtin_1): Handle builtin fdim.
10583 2007-01-20 Jan Hubicka <jh@suse.cz>
10585 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10586 * tree-ssa-structalias.c (compute_points_to_sets): Do call
10587 init_alias_heapvars.
10588 (init_alias_heapvars): Initialize only when not already initialized.
10589 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10591 2007-01-19 Roger Sayle <roger@eyesopen.com>
10593 * common.opt (fsigned-zeros): New command line option.
10594 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10595 of flag_unsafe_math_optimizations.
10596 * opts.c (set_fast_math_flags): The -ffast-math command line option
10597 implies -fno-signed-zeros.
10598 (fast_math_flags_set_p): Likewise.
10600 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10601 the documentation of -ffast-math appropriately. Wrap long lines.
10603 2007-01-19 Steve Ellcey <sje@cup.hp.com>
10605 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10606 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10608 2007-01-19 Tomas Bily <tbily@suse.cz>
10610 * cgraphunit.c (cgraph_finalize_function): Updating of pid
10612 (tree_init_ic_make_global_vars): New function
10613 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10614 (tree_gen_ic_profiler): New function
10615 (tree_gen_ic_func_profiler): New function
10616 (tree_profiling): Added calling of tree_gen_ic_func_profiler
10617 (tree_profile_hooks): Added hook for indirec/virtual calls
10618 * value-prof.c (tree_find_values_to_profile): New case for
10620 (tree_values_to_profile): Call for determining indirect/virtual
10622 (tree_indirect_call_to_profile): New function
10623 (tree_ic_transform): New function
10624 (tree_ic): New function
10625 (find_func_by_pid): New function
10626 (init_pid_map): New function
10627 (tree_value_profile_transformations): Added check for
10628 indirect/virtual call transformation
10629 * value-prof.h (enum hist_type): New counter type for
10630 indirect/virtual calls
10631 (profile_hooks): Added new hook for profiling indirect/virtual
10633 * profile.c (instrument_values): New case for indirect/virtual
10635 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10636 (GCOV_COUNTER_V_INDIR): New counter type
10637 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10638 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10640 * cgraph.c: Definition of cgraph_max_pid
10641 (cgraph_create_node): Default init of pid attribute
10642 * cgraph.h: Declaration of cgraph_max_pid
10643 (struct cgraph_node): Added pid attribute
10644 * libgcov.c (__gcov_indirect_call_profiler): New function
10645 (__gcov_one_value_profiler_body): New function
10646 (__gcov_one_value_profiler): Body was moved to
10647 __gcov_one_value_profiler_body and calls it
10649 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
10651 * doc/gty.texi (Options): Document the mark_hook option to GTY.
10652 * gengtype.c (write_types_data, write_func_for_structure,
10653 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10654 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10655 (walk_type, write_func_for_structure): Generate the mark_hook if
10658 2007-01-19 Jan Hubicka <jh@suse.cz>
10660 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10661 'early' argument take inlining mode argument specifying whether to
10662 inline for size/speeed or all functions; add support for flattening;
10664 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10666 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10669 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10670 the name of the declared identifier.
10672 2007-01-19 Dirk Mueller <dmueller@suse.de>
10674 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10675 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10676 duplicate evaluation.
10678 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10680 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10681 Macroize expander using X87MODEF12 mode macro. Extend operand 1
10682 to XFMode, use acosxf2 and truncate result to requested mode.
10683 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10684 (asin<mode>2): Similarly, with asin expanders.
10685 (*fscalexf4_i387): Rename from *fscalexf4.
10686 (expNcorexf3): New expander.
10687 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10688 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10689 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
10690 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10691 patterns for SSE math.
10692 (exp10<mode>2): Similarly, with exp10 expanders.
10693 (exp2<mode>2): Similarly, with exp2 expanders.
10694 (expm1<mode>2): Similarly, with expm1 expanders.
10695 (ldexp<mode>3): Similarly, with ldexp expanders.
10696 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10697 Use gen_truncxf<mode>2_i387_noop to truncate result.
10699 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10701 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10702 for ColdFire targets.
10704 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
10705 Richard Sandiford <richard@codesourcery.com>
10707 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10708 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10709 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10710 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10711 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10712 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10714 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10716 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10717 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
10718 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
10719 (*adddi_dilshr32_cf): New pattern.
10720 (adddi3, subdi3): Remove first alternatives.
10722 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10724 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10725 implemented using move.l, do not use its cc result for floating-point
10728 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10730 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10731 from accepting 's' constraints if flag_pic.
10733 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10735 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10736 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10737 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10738 condition from TARGET_68881 to TARGET_HARD_FLOAT.
10740 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
10742 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10743 ColdFire alternatives.
10744 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10745 * config/m68k/m68k.md (clzsi2): Define for ColdFire
10746 architectures that support ff1 instruction.
10748 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10749 Julian Brown <julian@codesourcery.com>
10751 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10752 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10753 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
10756 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10758 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10760 (output_move_const_into_data_reg, output_move_simode_const): Delete.
10761 * config/m68k/m68k.c (const_method, const_int_cost): Take a
10762 HOST_WIDE_INT instead of an rtx.
10763 (m68k_rtx_costs): Update call accordingly.
10764 (output_move_const_into_data_reg): Likewise. Fix formatting.
10765 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10767 (output_move_simode_const): Update calls after above changes.
10768 Rework to use automatic variables and predicates like MEM_P.
10769 * config/m68k/m68k.md (pushexthisi_const): Update call to
10772 2007-01-19 Dirk Mueller <dmueller@suse.de>
10774 * tree-ssa-alias.c (perform_var_substitution): Fix typo
10775 in dump_flags test.
10777 2007-01-19 Richard Guenther <rguenther@suse.de>
10779 * builtins.c (expand_builtin_cexpi): Fall back to expanding
10780 via cexp in case sincos is not available.
10782 2007-01-19 Richard Guenther <rguenther@suse.de>
10784 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10785 * defaults.h (TARGET_HAS_SINCOS): Default to off.
10786 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10787 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10788 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10789 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10790 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10791 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10793 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10795 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10797 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10798 (atan2xf3): Directly generate RTL pattern.
10799 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10800 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10801 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10802 disable patterns for SSE math.
10803 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10804 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10805 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10806 disable patterns for SSE math.
10808 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
10810 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10812 2007-01-18 Roger Sayle <roger@eyesopen.com>
10814 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10815 VIEW_CONVERT_EXPR to the same type as it's operand.
10817 2007-01-18 David Edelsohn <edelsohn@gnu.org>
10819 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10820 configured for long double 128.
10822 2007-01-18 Mike Stump <mrs@apple.com>
10824 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10827 2007-01-18 Michael Meissner <michael.meissner@amd.com>
10829 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10832 2007-01-18 Jan Hubicka <jh@suse.cz>
10834 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10835 greater than NUM_VOP_FREE_BUCKETS.
10837 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
10839 * tree-ssa-structalias.c: Update comments.
10840 (ptabitmap_obstack): Removed.
10841 (pta_obstack): New.
10842 (oldpta_obstack): Ditto.
10843 (stats): Add a few members.
10844 (struct variable_info): Remove node, complex, address_taken, and
10845 indirect_target members. Add oldsolution member.
10846 (new_var_info): Do not initialize removed members.
10847 (constraint_expr_type): Remove INCLUDES.
10848 (constraint_graph): Add size, implicit_preds, rep,
10849 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10850 (FIRST_REF_NODE): New macro.
10851 (LAST_REF_NODE): Ditto.
10852 (FIRST_ADDR_NODE): Ditto.
10853 (find): New function.
10855 (dump_constraint): Do not handle INCLUDES.
10856 (insert_into_complex): Do not insert duplicate constraints.
10857 (condense_varmap_nodes): Renamed and rewritten into ...
10858 (merge_node_constraints): This. Also fix bug in handling of
10859 offseted copy constraints.
10860 (clear_edges_for_node): No longer need to deal with preds at all,
10861 or removing associated preds/succs.
10862 (merge_graph_nodes): Deal with indirect_cycles.
10863 Don't deal with predecessors.
10864 (add_implicit_graph_edge): New function.
10865 (add_pred_graph_edge): Ditto.
10866 (add_graph_edge): Don't deal with predecessors.
10867 (build_constraint_graph): Removed.
10868 (build_pred_graph): New function.
10869 (build_succ_graph): Ditto.
10870 (struct scc_info): Removed in_component. Added roots, dfs, and
10871 node_mapping. Remove visited_index, unification_queue.
10872 (scc_visit): Deal with union-find we do now.
10873 Deal with cycles with REF nodes.
10874 (collapse_nodes): Renamed and rewritten to ...
10875 (unify_nodes): This.
10876 (process_unification_queue): Removed.
10877 (topo_visit): Cleanup
10878 (do_da_constraint): Use find.
10879 (do_sd_constraint): Ditto.
10880 (do_ds_constraint): Ditto.
10881 (do_complex_constraint): Ditto.
10882 (init_scc_info): Update for removed and added members.
10883 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10884 (find_indirect_cycles): This.
10885 (equivalence_class): New variable.
10886 (label_visit): New function.
10887 (perform_variable_substitution): Rewritten.
10888 (free_var_substitution_info): New function.
10889 (find_equivalent_node): Ditto.
10890 (move_complex_constraints): Ditto.
10891 (eliminate_indirect_cycles): Ditto.
10892 (solve_graph): Only propagate changed bits.
10893 Use indirect cycle elimination.
10895 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10896 (tree_id_eq): Renamed to ...
10897 (tree_vi_eq): This. Update for member change
10898 (insert_id_for_tree): Renamed and rewritten to ...
10899 (insert_vi_for_tree): This.
10900 (lookup_id_for_tree): Renamed and rewritten to ...
10901 (lookup_vi_for_tree): This.
10902 (get_id_for_tree): Renamed and rewritten to ...
10903 (get_vi_for_tree): Ditto.
10904 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10905 (process_constraint): Don't handle INCLUDES.
10906 Remove special ADDRESSOF case.
10907 (find_func_aliases): Rewrite to use vi functions instead of id
10909 (create_function_info_for): Ditto.
10910 (create_variable_info_for): Ditto.
10911 (intra_create_variable_infos): Ditto.
10912 (merge_smts_into): Ditto.
10913 (find_what_p_points_to): Ditto.
10914 (init_base_vars): Ditto.
10915 (init_alias_vars): Ditto.
10916 (remove_preds_and_fake_succs): New function.
10917 (dump_sa_points_to_info): Dump new stats.
10918 (dump_solution_for_var): Use find.
10919 (set_used_smts): Fix formatting.
10920 (compute_points_to_sets): Updated for new functions.
10921 (ipa_pta_execute): Ditto.
10923 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10924 Richard Sandiford <richard@codesourcery.com>
10926 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10928 * calls.c (expand_call): If the return value is a PARALLEL,
10929 extract its first member.
10930 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10931 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10932 use FUNCTION_EXTRA_EPILOGUE.
10933 (m68k_function_value): Return a PARALLEL if the return value
10934 is of a pointer type.
10935 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10936 (FUNCTION_EXTRA_EPILOGUE): Remove.
10937 * config/m68k/m68k.md (D0_REG): New constant.
10939 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10941 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10942 output a NOP for empty epilogues.
10944 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10946 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10947 before function. Extend register save check to include all
10948 registers, not just integer ones.
10950 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10952 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10953 (m68k_use_return_insn): ...this.
10954 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10955 * config/m68k/m68k.c (use_return_insn): Rename to...
10956 (m68k_use_return_insn): ...this.
10957 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10958 of USE_RETURN_INSN.
10960 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10962 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10963 nearest even, fix denormal rounding overflow.
10965 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10967 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10968 f%$smove and f%$move.
10969 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10970 (extendsfdf2_cf): Use fdmove instead of f%&move.
10971 (truncdfsf2_cf): Use fsmove instead of f%$smove.
10972 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10974 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10976 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10979 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10981 * real.h (real_format): Add a canonical_nan_lsbs_set field.
10982 (coldfire_single_format): Declare.
10983 (coldfire_double_format): Likewise.
10984 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10985 of qnan_msb_set to determine the lower bits of a canonical
10987 (encode_ieee_double): Likewise.
10988 (encode_ieee_quad): Likewise.
10989 (ieee_single_format): Initialize canonical_nan_lsbs_set.
10990 (mips_single_format): Likewise.
10991 (ieee_double_format): Likewise.
10992 (mips_double_format): Likewise.
10993 (ieee_extended_motorola_format): Likewise.
10994 (ieee_extended_intel_96_format): Likewise.
10995 (ieee_extended_intel_128_format): Likewise.
10996 (ieee_extended_intel_96_round_53_format): Likewise.
10997 (ibm_extended_format): Likewise.
10998 (mips_extended_format): Likewise.
10999 (ieee_quad_format): Likewise.
11000 (mips_quad_format): Likewise.
11001 (vax_f_format): Likewise.
11002 (vax_d_format): Likewise.
11003 (vax_g_format): Likewise.
11004 (i370_single_format): Likewise.
11005 (i370_double_format): Likewise.
11006 (decimal_single_format): Likewise.
11007 (decimal_double_format): Likewise.
11008 (decimal_quad_format): Likewise.
11009 (c4x_single_format): Likewise.
11010 (c4x_extended_format): Likewise.
11011 (real_internal_format): Likewise.
11012 (coldfire_single_format): New real_format.
11013 (coldfire_double_format): Likewise.
11014 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11015 canonical_nan_lsbs_set.
11016 (pdp11_d_format): Likewise.
11017 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11018 if TARGET_COLDFIRE_CPU.
11020 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11022 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11023 (output_call, m68k_legitimize_call_address): Declare.
11024 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11025 parenthesees. Add support for a 'W' constraint.
11026 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11027 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11028 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11029 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11031 (override_options): Initialize them. Do not set flag_no_function_cse
11032 for TARGET_ID_SHARED_LIBRARY.
11033 (m68k_output_pic_call): Delete.
11034 (m68k_legitimize_call_address): New function.
11035 (print_operand): Remove the %o prefix. Handle the %p prefix.
11036 (output_call): New function.
11037 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
11038 target address from the GOT if symbolic jumps are not allowed.
11039 * config/m68k/m68k.md (call, general_operand): Do not set
11040 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
11041 Merge separate flag_pic and !flag_pic define_insns into...
11042 (*call, *call_value): ...these new patterns. Match the address
11043 rather than the containing MEM and require it to be a call_operand.
11044 Use output_call to generate the asm template.
11045 * config/m68k/predicates.md (const_call_operand): New predicate.
11046 (call_operand): Likewise.
11048 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11050 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11051 (STACK_GROWS_DOWNWARD): Define to 1.
11052 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11053 comments, emphasizing that these values are only defaults.
11054 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11055 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11057 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11059 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11061 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11062 Richard Sandiford <richard@codesourcery.com>
11064 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11065 (FP_REGNO_P): New macros.
11066 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11067 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11068 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11069 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11071 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11073 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11074 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11076 * config/m68k/t-floatlib: New file, extracting common code from...
11077 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11078 * config/m68k/t-uclinux: Here.
11079 * config/m68k/fpgnulib.c: Do not compile extendeed precision
11080 routines on ColdFire targets.
11082 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11084 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11085 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11086 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11087 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11088 explicitly set MOTOROLA to 1.
11089 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11091 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11092 Nathan Sidwell <nathan@codesourcery.com>
11094 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11095 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11096 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11097 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11098 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11099 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11100 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11101 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11102 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11103 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11104 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11105 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11106 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11107 (DBX_REGISTER_NUMBER): Delete.
11108 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11109 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11110 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11112 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11114 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11115 * config/flat.h: New file.
11116 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11117 OBJECT_FORMAT_FLAT.
11118 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11119 indirect references for -msep-data or -mid-shared-library.
11120 Do not use PC-relative code addresses either.
11121 * config/m68k/m68k.c (override_options): Restrict -fPIC error
11123 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
11124 for shared libraries and crt1.o for executables. Use crti.o and
11126 (ENDFILE_SPEC): Use crtend.o and crtn.o.
11127 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11128 Do not add -elf2flt or -shared-lib-id options here.
11129 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
11130 Pass -shared-lib-id if -mid-shared-library, taking the library
11131 identifier from -mshared-library-id if given, otherwise
11133 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11134 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11135 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11136 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11137 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11138 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11140 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11141 jump sequence for ISA A and ISA A+.
11142 (PICJUMP): Likewise.
11144 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11146 * config.gcc (m68k-*-uclinux*): Base the port on the common
11147 and m68k GNU/Linux files rather than on the generic ELF ones.
11148 * config/m68k/uclinux.h (TARGET_VERSION): Override.
11149 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11151 2007-01-18 Julian Brown <julian@codesourcery.com>
11152 Richard Sandiford <richard@codesourcery.com>
11154 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11155 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11156 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11158 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11159 80 unconditionally.
11160 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11162 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11164 * doc/install.texi: Document m68k-uclinuxoldabi.
11165 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11166 * config/m68k/uclinux-oldabi.h: New file, copied from
11167 config/m68k/uclinux.h.
11169 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11171 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11172 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11173 (m32r_compute_frame_size): Use unsigned for regno.
11174 (m32r_reload_lr): Use gen_frame_mem.
11176 (m32r_output_function_epilogue): Don't output the function epilogue
11178 (m32r_expand_epilogue): New.
11179 (direct_return): Return false if the function has the interrupt
11181 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11182 * config/m32r/m32r.md (epilogue): New expander.
11183 (return_lr, return_rte): New insns.
11184 (return): Make it expander.
11185 (return_normal): New expander.
11187 2007-01-18 Josh Conner <jconner@apple.com>
11190 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11191 support for UNLE, UNLT, UNGE, and UNGT.
11193 2007-01-18 Jan Hubicka <jh@suse.cz>
11195 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11196 * tree-tailcall (add_virtual_phis): Likewise.
11197 (optimize_tail_call): Return TODOs.
11198 (execute_tail_calls): Return TODOs.
11199 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11200 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11202 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11203 Cleanup cfg using TODO.
11204 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11205 * passes.c (execute_function_todo): When cleanup did something, remove
11207 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11208 (make_edges): Don't cleanup_cfg.
11210 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
11212 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11213 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11214 operate on the top of stack.
11215 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11216 register handling of instructions that output to the second
11218 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11219 (move_for_stack_reg): Special-case check for dead destination
11220 stack slot for constant load of 1.0 inside UNSPEC_TAN.
11222 * config/i386/i386.md (UNSPEC_TAN): New constant.
11223 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11224 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11225 to correctly model move of constant 1.0 to top stack slot.
11226 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11227 (unnamed peephole2 pattern): Remove corresponding peephole2
11228 pattern that optimizes tan insn and loading of constant 1.0.
11229 (tanxf2): Use fptanxf4_i387.
11230 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11231 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
11232 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11233 disable patterns for SSE math.
11234 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11235 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11237 2007-01-18 Dirk Mueller <dmueller@suse.de>
11238 Richard Guenther <rguenther@suse.de>
11241 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11242 * common.opt (Warray-bounds): Add new warning option.
11243 * c-opts.c (c_common_handle_option): Define -Warray-bounds
11245 * Makefile.in: make tree-vrp.o depend on toplev.h
11246 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11248 (check_array_refs, check_array_bounds, check_array_ref): New.
11250 2007-01-18 Jan Hubicka <jh@suse.cz>
11252 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11253 (execute_ssa_ccp): Return flags conditionally.
11254 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11256 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11258 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
11260 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11261 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11263 * Makefile.c (GTFILES): Add cfglayout.h.
11264 * gengtype.c (open_base_files): Likewise.
11265 * cfglayout.c (cfg_layout_function_footer,
11266 cfg_layout_function_header) Reindent to make gengtype happy.
11267 * cfglayout.h (cfg_layout_function_footer,
11268 cfg_layout_function_header): Add GTY(()) marker.
11270 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11272 2007-01-18 Ben Elliston <bje@au.ibm.com>
11274 * genautomata.c (write_automata): Include xstrerror output in the
11275 error message if writing the DFA description file fails.
11277 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
11279 * config/mips/mips-protos.h (mips_output_external): Make it
11281 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11282 * config/mips/mips.c (irix_output_external_libcall): Likewise.
11283 (extern_list): Likewise.
11284 (extern_head): Likewise.
11285 (TARGET_ASM_FILE_END): Likewise.
11286 (mips_file_end): Likewise.
11287 (mips_output_external): Rewritten.
11289 2007-01-18 Ben Elliston <bje@au.ibm.com>
11291 * genpreds.c (write_insn_preds_c): Only write out the function
11292 body for regclass_for_constraint if we have register constraints.
11294 2007-01-17 Tom Tromey <tromey@redhat.com>
11296 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11297 * doc/install.texi (Testing): Use sourceware.org.
11298 (Binaries): Likewise.
11299 (Specific): Likewise.
11300 * doc/contrib.texi (Contributors): Use sourceware.org.
11302 2007-01-17 Anatoly Sokolov <aesok@post.ru>
11304 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11305 (AVR_ENHANCED): Rename to ...
11306 (AVR_HAVE_MUL): ... new.
11307 (avr_enhanced_p): Rename to ...
11308 (avr_have_mul_p): ... new.
11309 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11310 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11311 * config/avr/avr.c (avr_enhanced_p): Rename to ...
11312 (avr_have_mul_p): ... new.
11313 (base_arch_s): Rename 'enhanced' to 'have_mul'.
11314 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11315 'avr_enhanced_p' and 'enhanced'.
11316 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11317 AVR_HAVE_MUL instead of AVR_ENHANCED.
11318 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11319 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11320 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11321 instead of AVR_ENHANCED.
11322 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11323 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11324 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11326 2007-01-17 Ian Lance Taylor <iant@google.com>
11328 * vec.h (VEC_reserve_exact): Define.
11329 (vec_gc_p_reserve_exact): Declare.
11330 (vec_gc_o_reserve_exact): Declare.
11331 (vec_heap_p_reserve_exact): Declare.
11332 (vec_heap_o_reserve_exact): Declare.
11333 (VEC_OP (T,A,reserve_exact)): New static inline function, three
11335 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11336 negative parameter.
11337 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11338 (VEC_OP (T,A,copy)) [all versions]: Likewise.
11339 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11340 * vec.c (calculate_allocation): Add exact parameter. Change all
11342 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11343 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11344 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11345 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11346 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11347 (vec_heap_p_reserve_exact): New function.
11348 (vec_heap_o_reserve_exact): New function.
11350 2007-01-17 Jan Hubicka <jh@suse.cz>
11352 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11354 2007-01-17 Eric Christopher <echristo@apple.com>
11356 * config.gcc: Support core2 processor.
11358 2007-01-16 Jan Hubicka <jh@suse.cz>
11360 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11361 the names, just unlink the chain so we don't crash on dangling pointers
11364 2007-01-16 Jan Hubicka <jh@suse.cz>
11366 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11367 * tree-pass.h: Reorder to make IPA passes appear toegher.
11368 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11369 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11370 parameters, do not call early inliner.
11371 * ipa-inline.c: Update comments. Include tree-flow.h
11372 (cgraph_decide_inlining): Do not compute inlining parameters.
11373 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11374 be called with function context set up.
11375 (pass_ipa_inline): Remove unreachable functions before pass.
11376 (cgraph_early_inlining): Simplify assuming to be called from the
11378 (pass_early_inline): New pass.
11379 (cgraph_gate_ipa_early_inlining): New gate.
11380 (pass_ipa_early_inline): Turn into simple wrapper.
11381 (compute_inline_parameters): New function.
11382 (gate_inline_passes): New gate.
11383 (pass_inline_parameters): New pass.
11384 (apply_inline): Move here from tree-optimize.c
11385 (pass_apply_inline): New pass.
11386 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11388 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11389 doing them by hand.
11390 (tree_function_versioning): Do not allocate dummy struct function.
11391 * tree-inline.h (optimize_inline_calls): Update prototype.
11392 * tree-optimize.c (execute_fixup_cfg): Export.
11393 (pass_fixup_cfg): Remove
11394 (tree_rest_of_compilation): Do not apply inlines.
11395 * tree-flow.h (execute_fixup_cfg): Declare.
11396 * Makefile.in (gt-passes.c): New.
11397 * passes.c: Include gt-passes.h
11398 (init_optimization_passes): New passes.
11399 (nnodes, order): New static vars.
11400 (do_per_function_toporder): New function.
11401 (execute_one_pass): Dump current pass here.
11402 (execute_ipa_pass_list): Don't dump current pass here.
11404 2007-01-16 Janis Johnson <janis187@us.ibm.com>
11406 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11407 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11409 2007-01-16 David Edelsohn <edelsohn@gnu.org>
11411 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11412 (strong_alias): Define.
11413 (__gcc_qmul): Provide non-FMA for soft-float.
11414 (__gcc_qdiv): Same.
11419 (__gcc_qunord): New.
11429 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11430 soft-float functions.
11431 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11433 about long double soft float.
11435 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
11436 Tehila Meyzels <tehila@il.ibm.com>
11438 * tree-vectorizer.h (is_pattern_stmt_p): New.
11439 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11440 formatting (tabs instead of spaces). Cleanup and clarify setting
11441 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11442 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11443 (vectorizable_type_demotion): Check that types are integral.
11444 (vectorizable_type_promotion): Likewise.
11445 (vectorizable_store): Fix typo. Eliminate new-line at end of
11448 2007-01-16 Jan Hubicka <jh@suse.cz>
11450 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11453 2007-01-15 Eric Christopher <echristo@apple.com>
11455 * ifcvt.c: Include vec.h, vecprim.h.
11456 (check_cond_move_block): New argument regs.
11457 Reorganize. Add registers used to regs.
11458 (cond_move_process_if_block): Use regs set above as
11461 2007-01-15 Eric Christopher <echristo@apple.com>
11463 * config/darwin.h: Update copyright.
11464 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11465 (LINK_COMMAND_SPEC): Add -u.
11466 (LINK_SPEC): Fix umbrella for above.
11468 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
11470 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11473 2007-01-15 Tom Tromey <tromey@redhat.com>
11475 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11476 * doc/install.texi (Testing): Don't mention jacks.
11477 (Configuration): Document --enable-java-maintainer-mode. Move
11478 --with-java-home to libgcj-specific section. Document
11480 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11482 2007-01-15 Jan Hubicka <jh@suse.cz>
11484 * tree-ssa-dce.c (DCE_TODOs): New.
11485 (propagate_necessity): Return if something changed.
11486 (eliminate_unnecessary_stmts): Likewise.
11487 (perform_tree_ssa_dce): Return TODO flags when needed.
11488 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11490 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
11492 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11493 (fyl2x_extend<mode>xf3_i387): New insn pattern.
11494 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11495 patterns using X87MODEF12 mode macro. Extend operand 1
11496 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11497 (log10<mode>2): Ditto.
11498 (log2<mode>2): Ditto.
11499 (log1p<mode>2): Ditto.
11500 (logb<mode>2): Ditto.
11501 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11502 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11503 (*fxtractxf3_i387): Rename from *fxtractxf3.
11504 (fxtract_extend<mode>xf3_i387): New insn pattern.
11505 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11506 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11507 and gen_fyl2xxf3_i387().
11509 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11511 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11512 * cfgloopmanip.c (fix_loop_placement): Made static. Use
11513 get_loop_exit_edges. Changed return type to bool.
11514 * cfgloop.h (fix_loop_placement): Declaration removed.
11516 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
11518 * param.h (MIN_VECT_LOOP_BOUND): New.
11519 * params.def (MIN_VECT_LOOP_BOUND): New.
11520 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11521 argument - minimum threshold for number of iterations.
11522 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11523 argument to declaration.
11524 * tree-vect-analyze.c (vect_analyze_operations): Check value of
11525 MIN_VECT_LOOP_BOUND.
11526 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11527 slpeel_tree_peel_loop_to_edge with additional argument.
11528 (vect_do_peeling_for_alignment): Likewise.
11529 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11531 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
11534 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11535 operands of size 1.
11537 2007-01-14 Jan Hubicka <jh@suse.cz>
11539 * tree-dfa.c (remove_referenced_var): New function.
11540 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11541 prune referenced vars list too.
11542 * tree-flow.h (remove_referenced_var): Declare.
11544 2007-01-14 Jan Hubicka <jh@suse.cz>
11546 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11548 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11549 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11550 * except.h (verify_eh_throw_table_statements): Kill prototype.
11551 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11552 into call exrepssions.
11553 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11555 * tree-cfg.c: Include pointer-set.h.
11556 (verify_node_sharing): Work on pointer set.
11557 (verify_eh_throw_stmt_node): New.
11558 (verify_stmts): Use pointers sets, verify throw_stmt.
11560 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
11562 * ipa-reference.c (analyze_function): Consider also addresses taken
11565 2007-01-12 Roger Sayle <roger@eyesopen.com>
11567 * c-typeck.c (null_pointer_constant_p): Replace use of
11568 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11569 (build_c_cast): Likewise.
11571 2007-01-12 Roger Sayle <roger@eyesopen.com>
11573 * tree.h (force_fit_type_double): Remove unused final argument.
11574 * c-common.c (constant_expression_warning): Replace use of
11575 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11576 (convert_and_check): Likewise.
11577 (shorten_compare): Update call to force_fit_type_double.
11578 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11579 * convert.c (convert_to_pointer): Update call to
11580 force_fit_type_double.
11581 * fold-const.c (force_fit_type_double): Remove overflowed_const
11583 (int_const_binop, fold_convert_const_int_from_int,
11584 fold_convert_const_int_from_real, fold_div_compare,
11585 fold_sign_changed_comparison, fold_unary, fold_negate_const,
11586 fold_abs_const, fold_not_const): Remove the final argument from
11587 calls to force_fit_type_double.
11589 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
11591 * configure.ac: Set insn to "nop" for spu-*-* also.
11592 * configure: Regenerate.
11594 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
11596 * builtins.def : Add BUILT_IN_FREE.
11598 2007-01-12 Jan Hubicka <jh@suse.cz>
11600 PR tree-optimization/30443
11601 * tree-inline.c (tree_function_versioning): Do not optimize when
11602 cloning for inlining.
11604 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
11606 * doc/loop.texi: Document recording of loop exits.
11607 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11608 (update_single_exits_after_duplication,
11609 update_single_exit_for_duplicated_loop,
11610 update_single_exit_for_duplicated_loops): Removed.
11611 (duplicate_loop_to_header_edge): Do not call
11612 update_single_exits_after_duplication and
11613 update_single_exit_for_duplicated_loops.
11614 (loop_version): Do not update single_exit information.
11615 (fix_loop_structure): Use record_loop_exits instead of
11616 mark_single_exit_loops.
11617 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11618 the lists of loop exits.
11619 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11620 split_edge, merge_blocks): Update the lists of loop exits.
11621 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11622 loop_optimizer_init.
11623 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11624 of mark_single_exit_loops.
11625 (loop_optimizer_finalize): Call release_recorded_exits.
11626 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11627 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11628 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11629 update single exit information.
11630 * lambda-code.c (perfect_nestify): Ditto.
11631 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11632 (mark_single_exit_loops): Removed.
11633 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11634 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11635 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11637 (get_loop_exit_edges, single_exit): Use recorded exit lists.
11638 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11639 (verify_loop_structure): Verify consistency of the exit lists.
11640 (flow_loops_find): Use alloc_loop. Initialize exits hash.
11641 (set_single_exit): Removed.
11642 * cfgloop.h (struct loop_exit): New function.
11643 (struct loop): single_exit_ field replaced by exits field.
11644 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11645 (struct loops): Added exits hash.
11646 (mark_single_exit_loops, set_single_exit): Declaration removed.
11647 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11649 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11651 * doc/invoke.texi: Avoid use of @headitem.
11653 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11655 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11657 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11659 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11662 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11663 Richard Sandiford <richard@codesourcery.com>
11665 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11666 * config/m68k/m68k.opt: Resort options.
11667 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11669 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11670 Richard Sandiford <richard@codesourcery.com>
11672 * doc/invoke.texi: Document the macros that are defined by
11673 m68k's -mtune and -mhard-float options.
11674 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11675 (m68k_cpp_cpu_family): Likewise.
11676 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11677 of __ucfv*__ macros. Define __mcffpu__ if generating code for
11678 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
11679 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11680 (m68k_cpp_cpu_family): Likewise.
11682 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11684 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11685 macros besides mc68000 as tuning macros. Use a switch statement
11686 to set them and mcpu32.
11688 2007-01-12 Julian Brown <julian@codesourcery.com>
11690 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11691 (TARGET_68040_ONLY): Rename to...
11692 (TARGET_68040): ...this.
11693 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11694 * config/m68k/m68k.md: Likewise.
11696 2007-01-12 Julian Brown <julian@codesourcery.com>
11697 Nathan Sidwell <nathan@codesourcery.com>
11698 Richard Sandiford <richard@codesourcery.com>
11700 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11701 the -mcpu= argument associated with the --with-cpu setting.
11702 Define M68K_DEFAULT_TUNE to the default -mtune= option,
11703 if different from the one implied by the -mcpu setting.
11704 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11705 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
11706 * doc/invoke.texi: Mention ColdFire in the introduction to the
11707 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
11708 -mno-div and -mhard-float options. Make -m68881 a synonym for
11709 -mhard-float. Document the previously-undocumented -m5206e,
11710 -m528x, -m5307 and -m5407 options. Tweak the existing option
11711 documentation for consistency.
11712 * doc/install.texi: Mention new --with-cpu arguments.
11713 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11714 default CPU if neither -mcpu nor -march are specified.
11715 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11716 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11717 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
11718 using m68k_tune to decide between families that implement the
11719 same ISA. Use m68k_tune to set __mcfv4e__.
11720 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11721 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11722 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11723 (FL_ISA_C, FL_ISA_MMU): New macros.
11724 (MASK_COLDFIRE): Delete.
11725 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11726 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11727 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11728 (TARGET_HARD_FLOAT): Do not define here.
11729 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11730 (TUNE_68000): New macro.
11731 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11732 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11733 (TUNE_CFV2): Redefine in terms of m68k_tune.
11734 (uarch_type, target_device, fpu_type): New enums.
11735 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11736 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11737 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11738 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11739 (FL_FOR_isa_c): New macros.
11740 (m68k_isa): New enum.
11741 (m68k_target_selection): New structure.
11742 (all_devices, all_isas, all_microarchs): New tables.
11743 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11744 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11745 (MASK_ALL_CPU_BITS): Delete.
11746 (m68k_find_selection): New function.
11747 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11748 Map the legacy target options to a combination of the new ones.
11749 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11750 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
11751 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11753 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11754 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11756 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11757 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11758 * config/m68k/m68k-devices.def: New file.
11760 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11761 Nathan Sidwell <nathan@codesourcery.com>
11763 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11764 (SUBTARGET_EXTRA_SPECS): New macros.
11765 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11766 use %(asm_cpu_spec) instead.
11767 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11768 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11769 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11770 (EXTRA_SPECS): Rename to...
11771 (SUBTARGET_EXTRA_SPECS): ...this.
11773 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11774 Richard Sandiford <richard@codesourcery.com>
11775 Julian Brown <julian@codesourcery.com>
11777 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11778 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11779 to the configuration's default CPU.
11780 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11781 Remove default masks.
11782 (m680[012]0-*-*): Set the default with_cpu to the first part of
11784 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11785 (m68k*-*-linux): Extend the --with-cpu handling to...
11786 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
11787 and m68010. Don't set target_cpu_default2.
11788 * doc/install.texi: Document --with-cpu for m68k.
11789 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11790 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11791 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11792 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11793 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11794 (ASM_SPEC): Remove use of %(asm_cpu_default).
11795 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11796 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11797 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
11798 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11799 __HAVE_FPU__ if TARGET_HARD_FLOAT.
11800 (TARGET_DEFAULT): Delete.
11801 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11802 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11803 (CPP_CPU_SPEC): Delete.
11804 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11805 the appropriate string.
11806 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11807 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11808 (ASM_SPEC): Don't use %(asm_default_spec).
11809 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11810 TARGET_DEFAULT and add MASK_68881.
11811 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11813 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11815 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11816 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11817 MASK_68010 alongside MASK_68020.
11818 * doc/invoke.texi: Document -m68010.
11819 * config/m68k/m68k.opt (m68010): New.
11820 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11822 (TUNE_68010): New macro.
11823 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11824 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11825 (M68K_CPU_m68332): Add MASK_68010.
11826 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11827 fallback definition.
11828 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11830 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11831 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
11832 to all entries that use MASK_68020.
11833 (output_move_simode_const, output_move_himode, output_move_qimode)
11834 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11835 instead of TARGET_68020 to select clr behavior. Remove comment
11836 about there being no TARGET_68010.
11837 * config/m68k/m68k.md: Likewise throughout.
11839 2007-01-12 Julian Brown <julian@codesourcery.com>
11841 * config/m68k/m68k.h (TARGET_ISAB): New macro.
11842 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11843 * config/m68k/m68k.md: Likewise.
11845 2007-01-12 Julian Brown <julian@codesourcery.com>
11847 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11848 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11850 2007-01-12 Julian Brown <julian@codesourcery.com>
11852 * config/m68k/m68k.h (TUNE_68040_60): New macro.
11853 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11854 * config/m68k/m68k.md: Likewise.
11856 2007-01-12 Julian Brown <julian@codesourcery.com>
11857 Richard Sandiford <richard@codesourcery.com>
11859 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11860 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11861 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11863 (TARGET_CPU32): Rename to...
11864 (TUNE_CPU32): ...this.
11865 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11866 (TUNE_CFV2): New macros.
11867 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11868 remove conditions that are implied by TARGET_68020.
11869 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11870 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11871 (m68k_output_function_epilogue): Likewise.
11872 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
11873 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
11874 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11875 non-68000 timings. Refactor multiplication and division costs.
11876 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11877 TUNE_CPU32 instead of TARGET_CPU32.
11878 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11879 and TUNE_68060 instead of TARGET_68060.
11880 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11881 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11883 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11884 && !TARGET_COLDFIRE" to choose between moveq and clr.
11885 Likewise in the unnamed movsf pattern.
11886 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11887 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
11890 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11892 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11893 of tabbing before backslashes.
11895 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11897 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11898 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11899 (ASM_OUTPUT_INTERNAL_LABEL): Define.
11901 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11903 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11904 find_interesting_uses_cond.
11905 (find_interesting_uses_cond): Use extract_cond_operands.
11906 (rewrite_use_compare): Use extract_cond_operands and
11907 force_gimple_operand_bsi. Do not call update_stmt.
11908 (determine_use_iv_cost_condition): Use extract_cond_operands.
11909 Return cheaper of using original bound and changing the exit bound.
11911 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11913 PR tree-optimization/29516
11914 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11915 most_expensive_mult_to_index, addr_to_parts,
11916 create_mem_ref, maybe_fold_tmr): Make the type of
11917 fields of TARGET_MEM_REF sizetype.
11918 (move_fixed_address_to_symbol, move_pointer_to_base):
11920 * tree.def (TARGET_MEM_REF): Add comment on types of
11923 2007-01-11 Joseph Myers <joseph@codesourcery.com>
11925 * c-common.c (vector_types_convertible_p): Treat opaque types as
11926 always convertible if they have the same size, but not otherwise.
11928 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
11930 * ifcvt.c (struct noce_if_info): Add comments to the fields.
11931 Remove the b_unconditional field.
11932 (noce_try_sign_mask): Do not look at b_unconditional.
11933 (noce_process_if_block): Do not use merge_if_blocks. Update
11934 the CFG here. Do not set b_unconditional.
11935 (cond_move_process_if_block): Likewise.
11936 (find_cond_trap): Likewise.
11937 (check_cond_move_block): Require simple jump insns at the end
11938 of the basic block.
11940 2007-01-11 Jan Hubicka <jh@suse.cz>
11942 PR tree-optimization/1046
11943 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11944 when alias info is not ready.
11945 (pass_tail_recursion): Do not require aliasing.
11946 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11947 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11948 * tree-ssa-copy.c (pass_copy_prop): Likewise.
11949 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11950 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11951 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11952 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11954 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11955 When aliasing is not build, mark statement as volatile.
11957 2007-01-11 Tom Tromey <tromey@redhat.com>
11959 PR preprocessor/15185, PR preprocessor/20989:
11960 * doc/cppopts.texi <-MT>: Update description of algorithm for
11961 computing default target.
11962 <-M, -MD>: Reword "basename" text.
11964 2007-01-11 Roger Sayle <roger@eyesopen.com>
11966 * builtins.c (expand_builtin_pow, expand_builtin_powi,
11967 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11968 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11969 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11970 fold_builtin_bswap, real_constp, fold_builtin_pow,
11971 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11972 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11973 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11974 * convert.c (convert_to_pointer): Likewise.
11975 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11976 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11977 const_binop, fold_convert_const_int_from_int,
11978 fold_convert_const_int_from_real,
11979 fold_convert_const_real_from_real, sign_bit_p,
11980 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11981 fold_sign_changed_comparison, fold_unary, fold_comparison,
11982 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11983 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11984 * print-tree.c (print_node_brief, print_node): Likewise.
11985 * stor-layout.c (place_field, layout_type): Likewise.
11986 * tree-chrec.c (keep_cast): Likewise.
11987 * tree.c (build_vector, build_real, build_real_from_int_cst,
11988 build_complex): Likewise.
11990 2007-01-11 Roger Sayle <roger@eyesopen.com>
11992 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
11993 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11995 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
11997 * configure.ac (strict1_warn): Rename to strict_warn.
11998 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11999 cc_set_by_configure, quoted_cc_set_by_configure,
12000 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12001 all_boot_languages, all_stagestuff): Remove.
12002 (target_list): Remove bootstrap targets.
12003 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12004 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12005 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12006 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12007 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12008 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12009 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12010 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12011 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12012 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12013 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12014 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12015 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12016 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12017 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12018 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12019 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12020 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12021 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12022 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12023 (mostlyclean): Adjust.
12024 (clean, distclean): Don't mention bootstrap stuff.
12025 * configure: Regenerate.
12026 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12027 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12028 treelang/config-lang.in (stagestuff): Remove.
12029 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12030 stageprofile, stagefeedback, stagestuff): Remove mention.
12032 2007-01-11 Nick Clifton <nickc@redhat.com>
12034 * config/mcore/predicates.md (mcore_general_movesrc_operand):
12036 (mcore_general_movdst_operand): Do not accept CONST_INTs.
12037 (mcore_arith_K_S_operand): Run the test for the S constraint not
12038 the test for the M constraint.
12039 (mcore_addsub_operand): Do not accept integer values that are
12040 larger than 32 bits.
12041 * config/mcore/mcore.md: Remove unused constraints from split.
12042 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12043 (addsi3): Likewise.
12044 (allocate_stack): Likewise.
12045 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12046 operands to 32 bits.
12047 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12049 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12050 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12051 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12052 mcore_output_bclri, mcore_output_andn, output_inline_const,
12053 mcore_output_move, mcore_output_movedouble): Likewise.
12054 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12055 (output_inline_const): Likewise.
12056 (output_inline_const): Fix format strings used in sprintf
12058 * config/mcore/mcore-protos.h: Update prototypes for changed
12059 functions in mcore.c.
12060 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12061 HOST_WIDE_INT and not int.
12062 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12063 CONST_OK_FOR_N): Likewise.
12064 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12065 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12068 2007-01-10 Jan Hubicka <jh@suse.cz>
12070 * tree-vrp.c (remove_range_assertions): Release defs.
12071 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12072 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12074 2007-01-10 Paul Brook <paul@codesourcery.com>
12076 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12077 * config/arm/arm.md (mulsi3subsi): New insn.
12079 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
12081 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12082 (tree_transform_and_unroll_loop): New.
12083 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12086 2007-01-10 Robert Kennedy <jimbob@google.com>
12088 * fold-const.c (fold_comparison): Fold comparisons like (x *
12089 1000 < 0) to (x < 0).
12091 2007-01-10 Ian Lance Taylor <iant@google.com>
12093 * tree-pretty-print.c (dump_generic_node): Print parentheses when
12094 operands have the same priority.
12096 2007-01-10 Tom Tromey <tromey@redhat.com>
12098 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12099 (fold_binary): Likewise.
12100 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12101 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12102 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12103 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12104 * langhooks.h (struct lang_hooks): Removed field
12105 'can_use_bit_fields_p'.
12107 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
12109 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12111 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
12113 * function.c (get_last_funcdef_no): New function.
12114 * function.h (get_last_funcdef_no): Declare.
12115 * tree-inline.c (initialize_cfun): Add initialization.
12116 (tree_function_versioning): Cleanup.
12118 2007-01-10 Jan Hubicka <jh@suse.cz>
12120 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12123 2007-01-10 Sa Liu <saliu@de.ibm.com>
12124 Ben Elliston <bje@au.ibm.com>
12126 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12127 for SAVE_NONLOCAL and Pmode for any other save level.
12128 * spu-protos.h (spu_restore_stack_block): Declare.
12129 * spu.md (save_stack_block): Remove.
12130 (restore_stack_block): Call spu_restore_stack_block.
12131 * spu.c (spu_restore_stack_block): New function.
12132 (spu_expand_epilogue): Remove old comment.
12134 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
12136 PR tree-optimization/30322
12137 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12138 (cand_value_at): Return the value as aff_tree.
12139 (may_eliminate_iv): Convert the bound from aff_tree to tree.
12140 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12141 aff_combination_mult): New functions.
12142 (aff_combination_add): Use aff_combination_add_cst.
12143 (aff_combination_convert): Allow conversions to a wider type.
12144 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12145 * tree-affine.h (aff_combination_mult): Declare.
12147 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
12149 * doc/tm.texi: Update documentation to reflect reality of exec
12150 and start file search behaviours. Update copyright year.
12151 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12152 header file directories.
12154 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
12156 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12157 (*cosxf2): Rename to cosxf2_i387.
12158 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
12159 using X87MODEF12 mode macro. Rename patterns to
12160 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
12162 (*cosdf2, *cossf2): Ditto.
12163 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
12164 to match extended input operands.
12165 (sincos<mode>3): New expander.
12166 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12167 insn patterns and corresponding splitters.
12169 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
12171 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12172 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12174 2007-01-09 Nicolas Pitre <nico@cam.org>
12177 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12179 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12181 * target.h (struct gcc_target): New field library_rtti_comdat.
12182 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12183 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12184 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12185 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12187 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12189 * doc/invoke.texi (Optimize Options): Correct description of -O0.
12191 2007-01-08 Richard Guenther <rguenther@suse.de>
12193 * tree.h (force_fit_type_double): Export.
12194 (force_fit_type): Remove.
12195 * fold-const.c (force_fit_type_double): New function.
12196 (force_fit_type): Remove.
12197 (int_const_binop): Use it.
12198 (fold_convert_const_int_from_int): Likewise.
12199 (fold_convert_const_int_from_real): Likewise.
12200 (fold_div_compare): Likewise.
12201 (fold_sign_changed_comparison): Likewise.
12202 (fold_unary): Likewise.
12203 (fold_negate_const): Likewise.
12204 (fold_abs_const): Likewise.
12205 (fold_not_const): Likewise.
12206 * c-common.c (shorten_compare): Use force_fit_type_double.
12207 * convert.c (convert_to_pointer): Likewise.
12209 2007-01-08 Richard Guenther <rguenther@suse.de>
12211 * tree.h (build_int_cst_wide_type): Export.
12212 * tree.c (build_int_cst_wide_type): New function.
12213 (build_int_cst_wide): Fix comment.
12214 * builtins.c (fold_builtin_object_size): Use build_int_cst
12215 to build -1 or 0 of the correct type. Use fit_double_type
12216 to check for overflow.
12217 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12219 (decode_field_reference): Likewise.
12220 (all_ones_mask_p): Likewise.
12221 (native_interpret_int): Use build_int_cst_wide_type.
12222 (fold_binary): Use build_int_cst_type to build an all-ones
12224 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12226 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
12228 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12230 2007-01-09 Ben Elliston <bje@au.ibm.com>
12232 * genautomata.c (STATS_OPTION): New option.
12233 (stats_flag): New flag.
12234 (gen_automata_option): Handle it.
12235 (initiate_automaton_gen): Ditto.
12236 (write_automata): Output statistics only if stats_flag is
12237 set. Likewise, output time statistics only if time_flag is set.
12238 * doc/md.texi (Processor pipeline description): Document new flag.
12240 2007-01-08 Richard Guenther <rguenther@suse.de>
12242 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12243 * tree.c (build_int_cst_type): Likewise.
12244 (size_in_bytes): Don't call force_fit_type on the result.
12245 (int_fits_type_p): Use fit_double_type.
12246 * fold-const.c (fit_double_type): New function.
12247 (force_fit_type): Use it.
12248 * tree.h (fit_double_type): Export.
12250 2007-01-08 Jan Hubicka <jh@suse.cz>
12252 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12253 * ipa.c (function_and_variable_visibility): Fix return type.
12255 2007-01-08 Richard Guenther <rguenther@suse.de>
12257 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12258 of offset to build the index.
12259 * tree-pretty-print.c (dump_generic_node): Don't build negated
12260 const just for printing.
12261 * c-pretty-print.c (pp_c_integer_constant): Likewise.
12262 * builtins.c (fold_builtin_int_roundingfn): Check if result
12263 fits the type by using force_fit_type and comparing the result.
12264 * predict.c (predict_loops): Use compare_tree_int for comparison.
12265 * tree.c (build_int_cst): Fall back to integer_type_node for
12267 (build_int_cst_wide): Assert type is non-null.
12269 2007-01-08 Roberto Costa <roberto.costa@st.com>
12271 * tree-vrp.c (extract_range_from_cond_expr): New.
12272 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12273 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12275 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12276 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12277 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12278 used as expressions.
12279 * tree-object-size.c (cond_expr_object_size): New.
12280 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12282 2007-01-08 Jan Hubicka <jh@suse.cz>
12284 * tree-ssa-forwprop.c (forward_propagate_into_cond,
12285 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12288 2007-01-08 Richard Guenther <rguenther@suse.de>
12290 PR tree-optimization/23603
12291 * tree-vrp.c (set_value_range_to_truthvalue): New function.
12292 (extract_range_from_binary): Fall back to truthvalue instead of
12293 varying for TRUTH_*_EXPR.
12294 (extract_range_from_comparison): Fall back to truthvalue instead of
12296 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12297 if all visited PHI values were constant.
12299 2007-01-08 Jan Hubicka <jh@suse.cz>
12301 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12302 (cgraph_analyze_function): break out from ...
12303 (cgraph_finalize_compilation_unit): ... here.
12304 (cgraph_expand_function): Remove forgoten commented out line.
12305 (cgraph_optimize): Analyze functions.
12307 2007-01-08 Jan Hubicka <jh@suse.cz>
12309 * tree-pas.h (TODO_remove_function): New flag.
12310 (TODO_update*): Renumber.
12311 (pass_ipa_increase_alignment,
12312 pass_ipa_function_and_variable_visibility): New passes.
12313 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12314 (cgraph_function_and_variable_visibility): Move to ipa.c
12315 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12316 cgraph_increase_alignment.
12317 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12318 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12319 calling tree-inline.
12320 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12321 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12322 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12323 (gate_increase_alignment): New function.
12324 (pass_ipa_increase_alignment): New pass.
12325 * ipa.c: Inline tree-pass.h and timevar.h
12326 (function_and_variable_visibility): Move here from cgraphunit.c
12327 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12328 * passes.c (init_optimization_passes): Add the two new passes.
12329 (execute_todo): Handle cgraph_remove_functions.
12331 2007-01-08 Nick Clifton <nickc@redhat.com>
12333 * config/frv/predicates.md (reg_or_0_operand): Accept
12336 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
12338 * config/bfin/rtems.h, config/bfin/t-rtems: New.
12339 * config.gcc: Add bfin*-rtems*.
12341 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12343 * c.opt: Add -flax-vector-conversions.
12344 * c-typeck.c (convert_for_assignment): Pass flag to
12345 vector_types_convertible_p to allow emission of note.
12346 (digest_init): Likewise.
12347 * c-opts.c: Handle -flax-vector-conversions.
12348 * c-common.c (flag_lax_vector_conversions): New.
12349 (vector_types_convertible_p): Unless -flax-vector conversions
12350 has been passed, disallow conversions between vectors with
12351 differing numbers of subparts and/or element types. If such
12352 a conversion is disallowed, possibly emit a note on the first
12353 occasion only to inform the user of -flax-vector-conversions.
12354 The new last argument specifies this.
12355 * c-common.h (flag_lax_vector_conversions): New.
12356 (vector_types_convertible_p): Add extra argument.
12357 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12358 char_type_node for V*QI type vectors.
12359 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12360 Update to satisfy new typechecking rules.
12361 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12362 C and C++ variants.
12363 * doc/invoke.texi (C Dialect Options): Document
12364 -flax-vector-conversions.
12366 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12368 PR tree-optimization/29877
12369 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12370 a register variable on the RHS to not be replaceable.
12372 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
12373 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12374 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12375 const_simm15, const_pow2, const_npow2): Added.
12376 * config/score/misc.md (insv, extv, extzv, movmemsi,
12377 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12378 * config/score/score.c (score_address_cost, score_select_cc_mode):
12380 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12381 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12382 Update score_print_operand.
12383 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12384 Adjust register allocate order and update some macro define.
12385 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12386 mdx_block_move_straight, mdx_block_move_loop_head,
12387 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12388 mdx_block_move): Added.
12389 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12390 mdp_limm): Updated and fix some bug and typo.
12391 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12392 (movsf, movdf, doloop_end): Added.
12394 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
12396 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12397 config/arm/thumb2.md: Fix comment typos.
12398 * doc/extend.texi: Fix a typo.
12400 2007-01-07 Eric Christopher <echristo@apple.com>
12402 * configure.ac: Check for __stack_chk_fail for darwin.
12403 * configure: Regenerate.
12405 2007-01-07 Richard Guenther <rguenther@suse.de>
12407 * tree-vrp.c (extract_range_from_assert): CSE calls to
12408 compare_values where possible.
12409 (extract_range_from_unary_expr): Likewise.
12411 2007-01-07 Anatoly Sokolov <aesok@post.ru>
12413 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12414 * config/avr/avr.c (call_insn_operand): Delete function.
12415 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12416 instead of register number. Use predicates.
12417 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12418 call_insn_operand): Add.
12420 2007-01-06 Jan Hubicka <jh@suse.cz>
12422 * tree-pass.h (pass_build_cgraph_edges): Declare.
12423 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12424 (visited_nodes): Remove.
12425 (cgraph_create_edges): Move to cgraphbuild.c; rename to
12426 build_cgrpah_edges; make visited_nodes local.
12427 (cgraph_process_new_functions): DO not call initialize_inline_failed.
12428 (record_references_in_initializer): Move to cgraphbuild.c
12429 (initialize_inline_failed, rebuild_cgraph_edges,
12430 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12431 (verify_cgraph_node): Make visited_nodes local.
12432 (cgraph_analyze_function): Do not call cgraph_create_edges and
12433 initialize_inline_failed.
12434 (cgraph_expand_function): Do not call cgraph_lower_function;
12435 assert that function is already lowered.
12436 * Makefile.in (cgraphbuild.o): New.
12437 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12438 at the end of lowering passes.
12440 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
12442 * ifcvt.c (cond_move_convert_if_block): New function, code
12443 factored out from...
12444 (cond_move_process_if_block): ...here. Call the new function
12445 on the THEN and ELSE blocks.
12446 (merge_if_block): Do not copy global_live_at_end, merge_blocks
12447 already takes care of this.
12449 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12452 * tree.h (TREE_OVERFLOW_P): New.
12453 * c-typeck.c (parser_build_unary_op): Warn only if result
12454 overflowed and operands did not.
12455 (parser_build_binary_op): Likewise.
12456 (convert_for_assignment): Remove redundant overflow_warning.
12457 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12459 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12461 * c-typeck.c (store_init_value): Split over two lines to follow
12462 the GNU coding style.
12464 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
12466 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12467 __GXX_EXPERIMENTAL_CXX0X__.
12468 * doc/cpp.texi: Same.
12470 2007-01-05 Richard Guenther <rguenther@suse.de>
12472 PR middle-end/27826
12473 * tree.c (get_narrower): Do not construct COMPONENT_REFs
12474 with mismatched types. Instead explicitly build a
12475 conversion NOP_EXPR.
12477 2007-01-05 Ian Lance Taylor <iant@google.com>
12479 * c-common.c (decl_with_nonnull_addr_p): New function.
12480 (c_common_truthvalue_conversion): Call it.
12481 * c-typeck.c (build_binary_op): Likewise.
12482 * c-common.h (decl_with_nonnull_addr_p): Declare.
12484 2007-01-05 Jakub Jelinek <jakub@redhat.com>
12487 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12490 2007-01-05 Joel Brobecker <brobecker@adacore.com>
12492 * doc/install.texi (Final install): Document the fact that
12493 the GNAT runtime should not be stripped.
12495 2007-01-04 Jan Hubicka <jh@suse.cz>
12497 * tree-inline.c (fold_marked_statements): Update operand caches
12498 and EH after folding
12500 2007-01-04 Ian Lance Taylor <iant@google.com>
12502 * c-common.c (check_function_nonnull): Whitespace fix.
12504 2007-01-04 Jan Hubicka <jh@suse.cz>
12506 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12507 comitted older version of patch.
12508 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12509 function, celanup cfg and collect garbage.
12511 2007-01-04 Mike Stump <mrs@apple.com>
12513 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12516 2007-01-04 Eric Christopher <echristo@apple.com>
12518 * libgcc2.c (__bswapsi2): Use SItype.
12519 (__bswapdi2): Use DItype.
12520 * libgcc2.h: Update for above.
12522 2007-01-04 Paul Brook <paul@codesourcery.com>
12524 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12525 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12526 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12527 umulsidi3, umulsidi3adddi, smulsi3_highpart,
12528 umulsi3_highpart): Make conditional on !arm_arch6.
12529 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12530 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12531 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12532 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12533 umulsi3_highpart_v6): New insns.
12535 2007-01-04 Roger Sayle <roger@eyesopen.com>
12537 * fold-const.c (fold_convert): When casting an expression to void,
12538 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12539 have a type. Instead of attempting to build a NOP_EXPR, return
12540 these "special" trees directly.
12542 2007-01-04 Joseph Myers <joseph@codesourcery.com>
12544 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12545 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
12546 rs6000_cost->fp not 0 as adjustment for outer NEG.
12548 2007-01-04 Jan Hubicka <jh@suse.cz>
12550 * cgraph.c (cgraph_release_function_body): New function.
12551 (cgraph_remove_node): Use it.
12552 * cgraph.h (cgraph_release_function_body): Declare.
12553 * cgraphunit.c (cgraph_expand_function): Use it.
12554 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12555 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12556 is initialized and while compilation of other function is running.
12557 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12558 statement CFG annotations from here to ...
12559 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12561 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
12563 * cfgloop.h (enum li_flags): Make the constants powers of two.
12565 2007-01-04 Jan Hubicka <jh@suse.cz>
12567 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12569 (fold_marked_statements): New function.
12570 (optimize_inline_calls, tree_function_versioning): Fold new statements.
12571 * tree-inline.h (copy_body_data): Add statements_to_fold.
12573 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
12575 * config.gcc: Mention libgcc/config.host.
12576 * Makefile.in: Update comments mentioning libgcc.
12577 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12578 (all.cross, start.encap, rest.encap, rest.cross): Update
12579 dependencies for libgcc move.
12580 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12581 (clean-target, clean-target-libgcc): Delete.
12582 (srcdirify, GCC_EXTRA_PARTS): New macros.
12583 (libgcc-support, libgcc.mvars): New rules.
12584 (distclean): Remove mention of mklibgcc.
12585 (install): Don't reference INSTALL_LIBGCC.
12586 (install-common): Don't reference EXTRA_PARTS.
12587 (install-libgcc, install-multilib): Delete rules.
12588 * mklibgcc.in: Delete file.
12589 * doc/configfiles.texi: Don't mention mklibgcc.
12591 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12592 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12593 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12594 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12595 (mklibgcc, ldblspecs): Likewise.
12597 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12598 (posixpre.def): Use $(T).
12599 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12600 (SHLIB_SRC, SHLIB_INSTALL): Delete.
12601 (SHLIB_LINK): Make dummy.
12602 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12604 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12606 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12607 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12608 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12609 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12611 * configure.ac (all_outputs): Remove mklibgcc.
12612 * configure: Regenerated.
12614 2007-01-03 Josh Conner <jconner@apple.com>
12616 PR middle-end/29683
12617 * calls.c (compute_argument_addresses): Set stack and stack_slot
12618 for partial args, too.
12619 (store_one_arg): Use locate.size.constant for the size when
12620 generating a save_area.
12622 2007-01-03 Robert Kennedy <jimbob@google.com>
12624 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12625 whose definitions are deleted due to basic block merging.
12627 2007-01-03 Paul Brook <paul@codesourcery.com>
12630 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12632 (use_return_insn): Return 0 for Thumb interrupt functions.
12633 (print_multi_reg): Add rfe argument for IRQ returns.
12634 (arm_output_epilogue): Pop interrupt return address directly into PC.
12635 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12637 2007-01-03 Paul Brook <paul@codesourcery.com>
12639 Merge from sourcerygxx-4_1.
12640 * config/arm/thumb2.md: New file.
12641 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12643 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12644 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12645 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12646 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12648 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12649 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12651 * config/arm/ieee754-sf.S: Ditto.
12652 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12653 (thumb1_base_register_rtx_p): ... to this.
12654 (thumb_index_register_rtx_p): Rename...
12655 (thumb1_index_register_rtx_p): ... to this.
12656 (thumb_output_function_prologue): Rename...
12657 (thumb1_output_function_prologue): ... to this.
12658 (thumb_legitimate_address_p): Rename...
12659 (thumb1_legitimate_address_p): ... to this.
12660 (thumb_rtx_costs): Rename...
12661 (thumb1_rtx_costs): ... to this.
12662 (thumb_compute_save_reg_mask): Rename...
12663 (thumb1_compute_save_reg_mask): ... to this.
12664 (thumb_final_prescan_insn): Rename...
12665 (thumb1_final_prescan_insn): ... to this.
12666 (thumb_expand_epilogue): Rename...
12667 (thumb1_expand_epilogue): ... to this.
12668 (arm_unwind_emit_stm): Rename...
12669 (arm_unwind_emit_sequence): ... to this.
12670 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12671 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12672 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12673 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12674 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12675 thumb2_output_casesi): New functions.
12676 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12677 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12678 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12679 THUMB2_WORK_REGS): Define.
12680 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12681 arm_condexec_mask, arm_condexec_masklen)): New variables.
12682 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12683 (arm_override_options): Check new CPU capabilities.
12684 Set new architecture flag variables.
12685 (arm_isr_value): Handle v7m interrupt functions.
12686 (user_return_insn): Return 0 for v7m interrupt functions. Handle
12688 (const_ok_for_arm): Handle Thumb-2 constants.
12689 (arm_gen_constant): Ditto. Use movw when available.
12690 (arm_function_ok_for_sibcall): Return false for v7m interrupt
12692 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12693 (thumb_find_work_register, arm_load_pic_register,
12694 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12695 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12696 print_multi_reg, output_mov_long_double_fpa_from_arm,
12697 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12698 output_mov_double_fpa_from_arm, output_move_double,
12699 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12700 output_return_instruction, arm_output_function_prologue,
12701 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12702 arm_output_mi_thunk, thumb_set_return_address): Ditto.
12703 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
12704 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12705 (arithmetic_instr, shift_op): Use arm_shift_nmem.
12706 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
12708 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12709 (thumb_expand_prologue): Use thumb_set_frame_pointer.
12710 (arm_file_start): Output directive for unified syntax.
12711 (arm_unwind_emit_set): Handle stack alignment instruction.
12712 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12713 Add v6t2, v7, v7a, v7r and v7m.
12714 (RETLDM): Add Thumb-2 code.
12715 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12716 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12717 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12718 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12719 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12720 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12721 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12722 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12723 ADJUST_INSN_LENGTH): Define.
12724 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12725 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12726 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12727 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12728 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12729 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12730 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12731 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12732 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12733 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12734 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12735 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12736 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12737 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12738 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12739 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12740 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12742 * config/arm/arm-tune.md: Regenerate.
12743 * config/arm/arm-protos.h: Update prototypes.
12744 * config/arm/vfp.md: Enable patterns for Thumb-2.
12745 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
12746 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12747 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12748 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12749 * config/arm/libunwind.S: Add Thumb-2 code.
12750 * config/arm/constraints.md: Update include Thumb-2.
12751 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12752 * config/arm/ieee754-df.S: Ditto.
12753 * config/arm/bpabi.S: Ditto.
12754 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12755 * config/arm/predicates.md (low_register_operand,
12756 low_reg_or_int_operand, thumb_16bit_operator): New.
12757 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12758 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12759 * config/arm/t-arm-elf: Add armv7 multilib.
12760 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12762 (UNSPEC_STACK_ALIGN, ce_count): New.
12763 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12764 arm_zero_extendsidi2, arm_zero_extendqidi2): New
12766 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12767 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12768 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12769 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12770 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12771 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12773 * doc/extend.texi: Document ARMv7-M interrupt functions.
12774 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12776 2007-01-03 Jakub Jelinek <jakub@redhat.com>
12778 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12779 (struct _Unwind_Context): Rename args_size to flags, remove
12780 signal_frame field, add a new args_size field and version field.
12781 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12782 _Unwind_IsExtendedContext): New inline functions.
12783 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12784 Assume by_value array is only present if _Unwind_IsExtendedContext.
12785 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12786 _Unwind_IsSignalFrame.
12787 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12788 (uw_update_context_1): Use _Unwind_SetSignalFrame.
12789 (uw_init_context_1): Initialize context->flags to
12790 EXTENDED_CONTEXT_BIT.
12791 * config/rs6000/linux-unwind.h (frob_update_context): Use
12792 _Unwind_SetSignalFrame.
12794 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
12796 PR middle-end/30353
12797 * gimplify.c (gimplify_modify_expr_complex_part): Move below
12798 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
12801 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
12803 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12804 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12805 RET, AT_SP): Remove.
12806 * config/i386/i386.md (*sse_prologue_save_insn): Use return
12809 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12810 * cfgbuild.c (find_basic_blocks): Likewise.
12811 * cfgrtl.c (rtl_create_basic_block): Likewise.
12812 * function.c (temp_slots_at_level): Likewise.
12813 * reg-stack.c (stack_regs_mentioned): Likewise.
12814 * regclass.c (allocate_reg_info): Likewise.
12815 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12816 set_bb_for_stmt, move_block_to_fn): Likewise.
12817 * tree-complex.c (tree_lower_complex): Likewise.
12818 * vec.h (VEC_safe_grow_cleared): New.
12820 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12822 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
12824 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12825 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12827 * cfgloopmanip.c (scale_loop_frequencies): Export.
12828 (loopify): Scale the frequencies by prescribed coefficients.
12829 (set_zero_probability): New function.
12830 (duplicate_loop_to_header_edge): Improve updating of frequencies.
12831 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12832 and frequencies according to arguments.
12833 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12835 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12836 * modulo-sched.c (sms_schedule): Set probabilities for entering
12837 versioned loop correctly.
12838 * tree-vect-transform.c (vect_transform_loop): Ditto.
12839 * cfgloop.h (loopify, loop_version): Declaration changed.
12840 (scale_loop_frequencies): Declared.
12842 2007-01-02 Jan Hubicka <jh@suse.cz>
12844 * cgraph.c: Include tree-flow.h
12845 (cgraph_add_new-function): Handle IPA_SSA mode; execute
12846 early_local_passes.
12847 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12848 * tree-pass.h (pass_all_early_optimizations): Declare.
12849 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12850 early_local_passes.
12851 (cgraph_analyze_function): Do early_local_passes.
12852 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12853 Do not add referenced vars.
12854 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12856 (gate_all_early_local_passes): New gate.
12857 (pass_early_local_passes): Use new gate.
12858 (execute_early_local_optimizations): New functions.
12859 (gate_all_early_optimizations): New gate.
12860 (pass_all_early_optimizations): New pass.
12861 (execute_free_datastructures): Free SSA only when initialized.
12862 (gate_init_datastructures): Init only when optimizing.
12863 (tree_lowering_passes): Do early local passes when called late.
12864 * tree-profile.c (do_tree_profiling): Don't profile functions added
12866 (do_early_tree_profiling, pass_early_tree_profile): Kill.
12867 * tree-cfg.c (update_modified_stmts): Do not update when operands are
12869 * passes.c (init_optimizations_passes): Reorder so we go into SSA
12870 during early_local_passes.
12871 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12874 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12876 * Makefile.in: Update copyright year.
12878 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12880 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12881 in $(lang_checks) and check-consistency targets.
12883 2007-01-02 Jan Hubicka <jh@suse.cz>
12885 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12886 Do not add referenced vars.
12887 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12889 * passes.c (init_optimization_passes): Put mudflap_2 after
12890 free_datastructures.
12892 2007-01-02 Jan Hubicka <jh@suse.cz>
12894 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12895 Set NOTHROW flag on call statements proved to be nothrow.
12896 Update statement of local calls so new pure/const functions are
12897 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12899 (tree_rest_of_compilation): Register hooks and initialize bitmap
12900 early. Do not set after_inlining flag.
12902 2007-01-02 Steve Ellcey <sje@cup.hp.com>
12904 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
12905 HOST_BITS_PER_LONGLONG
12907 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12910 * c-typeck.c (store_init_value): Don't emit pedantic overflow
12911 warning for non-static initializers.
12913 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
12915 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12916 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12917 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12918 Always use set_unique_reg_note to add REG_EQUAL notes.
12920 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12923 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12925 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12926 * cfgbuild.c (find_basic_blocks): Likewise.
12927 * cfgrtl.c (rtl_create_basic_block): Likewise.
12928 * function.c (temp_slots_at_level): Likewise.
12929 * reg-stack.c (stack_regs_mentioned): Likewise.
12930 * regclass.c (allocate_reg_info): Likewise.
12931 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12932 set_bb_for_stmt, move_block_to_fn): Likewise.
12933 * tree-complex.c (tree_lower_complex): Likewise.
12934 * vec.h (VEC_safe_grow_cleared): New.
12936 2007-01-02 Ian Lance Taylor <iant@google.com>
12938 * c-common.c (c_common_truthvalue_conversion): When warning about
12939 using an assignment as a truth value, set TREE_NO_WARNING.
12941 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12944 * c.opt (Wold-style-declaration): New.
12945 * doc/invoke.texi (C-only Warning Options): New.
12946 (Wold-style-declaration): Document it.
12947 (Wextra): Enabled by -Wextra.
12948 * c-opts.c (c_common_post_options): Enabled by -Wextra.
12949 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12950 -Wold-style-declaration.
12952 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12954 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12955 * cfgbuild.c (find_basic_blocks): Likewise.
12956 * cfgrtl.c (rtl_create_basic_block): Likewise.
12957 * function.c (temp_slots_at_level): Likewise.
12958 * reg-stack.c (stack_regs_mentioned): Likewise.
12959 * regclass.c (allocate_reg_info): Likewise.
12960 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12961 set_bb_for_stmt, move_block_to_fn): Likewise.
12962 * tree-complex.c (tree_lower_complex): Likewise.
12963 * vec.h (VEC_safe_grow_cleared): New.
12965 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
12967 * c-common.c (c_common_nodes_and_builtins): Since variants of
12968 void_type_node get built before it is given a name, we need to
12969 give those variants the name, too.
12970 (complete_array_type): We need to work with the canonical main
12971 type of the array, from which we will build the qualified version.
12972 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12973 * print-tree.c (print_node): Display canonical type information
12975 * stor-layout.c (layout_type): When we don't know the
12976 alignment of a type for which we're building an array, we end up
12977 guessing wrong, so make the type require structural equality.
12978 * tree.c (make_node_stat): When we build a new type, it is its
12979 own canonical type.
12980 (build_type_attribute_qual_variant): When building an attribute
12981 variant, its canonical type is the non-attribute variant. However,
12982 if the attributes are target-dependent and they differ, we need to
12983 use structural equality checks for this type.
12984 (build_qualified_type): A qualified type is not equivalent to its
12985 unqualified variant; set the canonical type appropriately.
12986 (build_distinct_type_copy): When building a distinct type from
12987 another type, the new type is its own canonical type.
12988 (build_variant_type_copy): When building a new type variant, we
12989 assume that it is equivalent to the original type.
12990 (build_pointer_type_for_mode): When building a pointer type, also
12991 build a canonical type pointer.
12992 (build_reference_type_for_mode): When building a reference type,
12993 also build a canonical type reference.
12994 (build_index_type): When we can't hash an index type (e.g.,
12995 because its maximum value is negative), the index type requires
12996 structural equality tests.
12997 (build_array_type): Build the canonical form of an array type.
12998 (build_function_type): Function types require structural equality,
12999 because they contain default arguments, attributes, etc.
13000 (build_method_type_directly): Ditto for method types.
13001 (build_offset_type): Build the canonical offset type.
13002 (build_complex_type): Build the canonical vector type.
13003 (make_vector_type): Build the canonical vector type.
13004 * tree.h (TYPE_CANONICAL): New.
13005 (TYPE_STRUCTURAL_EQUALITY_P): New.
13006 (SET_TYPE_STRUCTURAL_EQUALITY): New.
13007 (struct tree_type): Added "canonical" field.
13008 * params.h (VERIFY_CANONICAL_TYPES): New.
13009 * doc/c-tree.texi (TYPE_CANONICAL): Document.
13010 (TYPE_STRUCTURAL_EQUALITY_P): Document.
13011 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13012 * doc/invoke.texi (verify-canonical-types): Document --param
13013 parameter for verifying canonical types.
13015 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13017 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13018 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13019 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13020 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13022 * config/rs6000/e500.h: New.
13023 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13024 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13026 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13027 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13028 TARGET_E500_DOUBLE): Remove.
13029 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13030 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13031 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13032 * config/rs6000/rs6000.c (rs6000_override_options): Use
13033 CHECK_E500_OPTIONS.
13035 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13037 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13038 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13039 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13040 rs6000_emit_cmove): Don't check TARGET_E500.
13041 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13042 sordered): Don't check TARGET_E500.
13044 2007-01-01 Eric Christopher <echristo@apple.com>
13046 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13047 HARD_REGISTER_NUM_P.
13049 2007-01-01 Roger Sayle <roger@eyesopen.com>
13051 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13052 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13053 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13056 2007-01-01 Mike Stump <mrs@apple.com>
13058 * configure.ac: Remove support for building with Apple's gcc-3.1.
13060 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13062 PR middle-end/30311
13063 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13064 REG is a hard register. Do not modify REG before calling
13066 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13067 multiple of the size of YMODE for certain lowpart cases.
13069 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13071 PR middle-end/30253
13072 * gimplify (voidify_wrapper_expr): Update for
13073 GIMPLE_MODIFY_STMT.
13075 2007-01-01 Andreas Schwab <schwab@suse.de>
13078 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13079 save of BR0 in extra_spill_size instead of spill_size.
13080 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13082 (ia64_expand_epilogue): Restore BR0 from its new location.
13084 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13086 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13087 Use a temporary variable if the left hand side is not a gimple
13090 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13092 * gimplify.c (gimplify_return_expr): Make the temporary variable
13093 for the return expression, a gimple register variable.
13095 2007-01-01 Jan Hubicka <jh@suse.cz>
13097 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13100 2007-01-01 Mike Stump <mrs@apple.com>
13102 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13104 * config/darwin.c (machopic_select_rtx_section): Use
13105 HAVE_GAS_LITERAL16.
13106 (darwin_mergeable_constant_section): Likewise.
13107 * configure: Regenerate.
13108 * config.in: Regenerate.
13110 2007-01-01 Jan Hubicka <jh@suse.cz>
13111 Andrew Pinski <pinskia@gmail.com>
13113 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13114 before starting IPA passes.