| blob | c5ebb497a6351b4b999c895446f1614f201493c7 |
1 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3 PR middle-end/43209
4 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not decrease
5 the cost of an IV candidate when the cost is infinite.
7 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
10 Use '3DNow!' for the extension of that name, ensure normal space
11 after the string.
12 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
14 2010-03-03 Jeff Law <law@redhat.com>
16 * PR middle-end/32693
17 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
18 than gen_rtx_SUBREG.
19 (extract_bit_field_1): Likewise.
21 2010-03-03 Janis Johnson <janis187@us.ibm.com>
23 * doc/sourcebuild.texi (Test directives): Document that arguments
24 include-opts and exclude-opts are now optional for dg-skip-if,
25 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
27 2010-03-03 Jason Merrill <jason@redhat.com>
29 PR c++/12909
30 * cgraph.h (varpool_node): Add extra_name field.
31 * varpool.c (varpool_extra_name_alias): New.
32 (varpool_assemble_decl): Emit extra name aliases.
33 (varpool_mark_needed_node): Look past an extra name alias.
34 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
35 * lto-streamer-in.c (lto_input_tree): Read it.
36 * lto-streamer-out.c (output_unreferenced_globals): Write it.
38 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
40 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
41 (sparc*-*-solaris2*): ...this.
43 2010-03-03 Jakub Jelinek <jakub@redhat.com>
45 PR debug/43229
46 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
47 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
48 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
49 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
51 PR debug/43237
52 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
53 fallthrough to default handling, just with want_address 0 instead of 2.
54 For single element lists, add_AT_loc directly, otherwise create an
55 artificial variable DIE and stick location list to it.
57 PR debug/43177
58 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
59 (VAL_EXPR_HAS_REVERSE): Define.
60 (reverse_op): New function.
61 (add_stores): For reversible operations add an extra MO_VAL_USE.
63 2010-03-02 Jason Merrill <jason@redhat.com>
65 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
67 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
69 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
70 (sparc64-*-linux*): Likewise.
71 (sparc64-*-solaris2*): Include assembler files before linker ones.
72 (sparc-*-solaris2*): Simplify and reorder to match previous case.
73 * config/sparc/gas.h: Delete.
74 * config/sparc/sol2-64.h: Add copyright notice.
75 * config/sparc/sol2-gas-bi.h: Likewise.
76 * config/sparc/sol2-gld.h: Likewise.
77 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
78 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
79 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
80 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
81 (sparc_elf_asm_named_section): Rename into...
82 (sparc_solaris_elf_asm_named_section): ...this. Always define.
84 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
86 * config/alpha/alpha.c (override_options): Fix -mtune error message.
88 2010-03-02 Jeff Law <law@redhat.com>
90 PR middle-end/42431
91 * reload1.c (rtx_p, substitute_stack): Declare.
92 (substitute): Record addresses of changed rtxs.
93 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
94 Restore the original rtx when complete.
95 (reload): Free subsitute_stack when complete.
97 2010-03-02 Janis Johnson <janis187@us.ibm.com>
99 * doc/gccint.texi (menu): Add Testsuites as a chapter.
100 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
101 new chapter.
102 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
103 LTO Testing, gcov Testing, profopt Testing, compat Testing,
104 Torture Tests): Change from subsection to section.
106 2010-03-02 Jakub Jelinek <jakub@redhat.com>
107 Steven Bosscher <steven@gcc.gnu.org>
109 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
110 instead of bb.
112 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
114 PR middle-end/42640
115 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
116 the assignment from the new induction variable to the assignment
117 of the value from the original loop PHI function.
119 2010-03-01 Janis Johnson <janis187@us.ibm.com>
120 Daniel Jacobowitz <dan@codesourcery.com>
122 * doc/sourcebuild.texi (Test directives): Clarify options to
123 dg-skip-if.
125 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
127 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
128 Disable cfi directives unless GCC and gas agree on using read-only
129 .eh_frame sections for 64-bit.
130 * configure: Regenerate.
132 2010-03-01 Richard Guenther <rguenther@suse.de>
134 PR tree-optimization/43220
135 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
136 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
138 2010-03-01 Richard Guenther <rguenther@suse.de>
139 Martin Jambor <mjambor@suse.cz>
141 PR middle-end/41250
142 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
143 gimplified parameters.
145 2010-03-01 Christian Bruel <christian.bruel@st.com>
147 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
149 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
151 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
153 2010-03-01 Richard Guenther <rguenther@suse.de>
155 PR middle-end/43213
156 * expr.c (expand_assignment): Use the alias-oracle to tell
157 if the rhs aliases the result decl.
159 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
161 PR pch/14940
162 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
163 to sol_gt_pch_get_address.
164 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
165 64-bit, SPARC and x86.
166 (sol_gt_pch_get_address): New function.
168 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
170 * toplev.h (inform_n, error_n): Declare.
171 * diagnostic.c (inform_n, error_n): New function.
173 2010-03-01 Jakub Jelinek <jakub@redhat.com>
175 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
176 has no rtl yet when processing local_decls, queue it and recheck
177 if deferred stack allocation hasn't assigned it rtl.
179 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
181 * config/sh/sh.c (unspec_bbr_uid): New.
182 (gen_block_redirect): Use it instead of INSN_UID.
183 (gen_far_branch): Likewise.
185 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
187 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
188 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
190 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
192 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
193 (Warning Options): -Wno-conversion-null is valid for
194 Objective-C++ as well.
195 * doc/tm.texi (Named Address Spaces): Likewise.
196 * doc/plugins.texi (Plugins): Replace TABs with spaces.
197 * doc/tree-ssa.texi (Tree SSA): Likewise.
199 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
201 PR bootstrap/43202
202 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
203 by default. Don't set the default arch for
204 i[34567]86-*-darwin*|x86_64-*-darwin*.
206 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
208 PR bootstrap/43202
209 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
210 default. Set the default 32bit/64bit archs with $with_arch
211 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
213 2010-02-27 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/43186
216 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
217 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
218 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
219 unroller iterations.
221 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
223 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
224 required and i[34567]86-*-* targets don't support 64bit ISA.
226 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
228 PR ada/43096
229 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
230 the same alias set.
232 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
234 * config.gcc: Set the default arch at least to Prescott for
235 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
236 if SSE math is enabled.
238 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
240 * diagnostic.c (diagnostic_initialize): Update.
241 (diagnostic_report_diagnostic): Test inhibit_notes_p for
242 informative notes.
243 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
244 (diagnostic_inhibit_notes): New.
245 * toplev.c (process_options): inhibit notes with -fcompare-debug.
247 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
249 PR c/20631
250 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
251 * doc/standards.texi: Likewise.
252 * doc/extend.texi: Likewise.
253 * doc/trouble.texi: Likewise.
254 * doc/cppopts.texi: Likewise.
255 * doc/install.texi: Likewise.
256 * c.opt (std=c90,std=gnu90): New options.
257 * c-opts.c (c_common_handle_option): Handle them.
259 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
261 PR c/24577
262 * c-decl.c (undeclared_variable): Use an informative note.
264 2010-02-26 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/43186
267 * gimple.h (gimple_fold): Remove.
268 * gimple.c (gimple_fold): Remove. Inline into single user ...
269 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
270 Try harder for conditions.
272 2010-02-26 Jakub Jelinek <jakub@redhat.com>
274 PR debug/43190
275 * function.c (used_types_insert): Don't skip through named pointer
276 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
277 and it is different from the main variant's type.
279 2010-02-26 Nick Clifton <nickc@redhat.com>
281 * config/rx/rx.md (sminsi3): Remove bogus alternative.
283 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
285 * config.gcc: Support --with-fpmath=sse for x86.
287 * config/i386/ssemath.h: New.
289 * doc/install.texi (--with-fpmath=sse): Documented.
291 2010-02-26 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/43188
294 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
295 vector types of over-aligned element type.
297 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
299 PR target/43175
300 * config/i386/i386.c (expand_vec_perm_blend): Use correct
301 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
303 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
305 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
307 2010-02-26 Jakub Jelinek <jakub@redhat.com>
309 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
310 * var-tracking.c: Include diagnostic.h.
311 (debug_dv): New function.
312 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
314 PR debug/43160
315 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
316 (add_value_chain, add_value_chains, remove_value_chain,
317 remove_value_chains): Handle DEBUG_EXPRs.
318 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
320 PR debug/43161
321 * regcprop.c (struct queued_debug_insn_change): New type.
322 (struct value_data_entry): Add debug_insn_changes field.
323 (struct value_data): Add n_debug_insn_changes field.
324 (debug_insn_changes_pool): New variable.
325 (free_debug_insn_changes, apply_debug_insn_changes,
326 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
327 (kill_value_one_regno): Call free_debug_insn_changes if needed.
328 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
329 fields.
330 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
331 changes for them.
332 (copyprop_hardreg_forward_1): Don't call apply_change_group for
333 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
334 changes, call cprop_find_used_regs via note_stores.
335 (copyprop_hardreg_forward): When copying vd from predecessor
336 which has any queued DEBUG_INSN changes, make sure the pointers are
337 cleared. At the end call df_analyze and then if there are any
338 DEBUG_INSN changes queued at the end of some basic block for still
339 live registers, apply them.
340 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
342 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
344 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
345 (arm*-*-*): Ditto.
347 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
349 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
350 targets. Set the default with_cpu/with_arch from arch/cpu.
351 Allow x86-64 and native for with_cpu/with_arch.
353 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
355 * ebitmap.c: Change calls to verify_popcount with calls to
356 sbitmap_verify_popcount.
357 (ebitmap_clear_bit): Fixed map->cacheindex test and
358 map>cache update when bit clearing results in an empty
359 element.
361 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
363 PR target/43154
364 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
365 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
366 and support both V2DF and V2DI modes.
367 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
368 support both V2DF and V2DI modes.
369 (general): Delete trailing whitespace from a few patterns.
371 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
372 V2DF/V2DI interleave high/low builtins.
374 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
375 new VSX builtins.
377 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
378 interleave high/low functions.
380 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
382 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
383 #pragma extern_prefix.
385 2010-02-25 Jakub Jelinek <jakub@redhat.com>
387 PR debug/43166
388 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
389 BLKmode, assert op0 is a MEM and just adjust its mode.
391 PR debug/43165
392 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
393 if bitpos isn't multiple of mode's bitsize.
395 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
397 * c.opt (-ftemplate-depth=): New.
398 (-ftemplate-depth-): Deprecate.
399 * optc-gen.awk: Handle -ftemplate-depth=.
400 * opth-gen.awk: Likewise.
401 * c-opts.c (c_common_handle_option): Likewise.
402 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
404 2010-02-24 Jason Merrill <jason@redhat.com>
406 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
408 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
410 * cfg.c (alloc_aux_for_block): Remove inline.
411 (alloc_aux_for_edge): Likewise.
413 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
415 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
417 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
419 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
420 * config/i386/sol2-gas.h: New file.
421 * config.gcc (i[34567]86-*-solaris2*): Use it.
423 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
425 PR c/43128
426 * c-typeck.c (ep_convert_and_check): New.
427 (build_conditional_expr): Use it.
428 (build_binary_op): Likewise.
430 2010-02-24 Jakub Jelinek <jakub@redhat.com>
432 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
434 PR debug/43150
435 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
436 bounds even for -O+.
437 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
438 expr needs to have DECL_NAME set.
440 2010-02-24 Nick Clifton <nickc@redhat.com>
442 * config/mep/mep.c: Include gimple.h.
443 (mep_function_uses_sp): Delete unused function.
444 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
445 parameters. Use unsigned integers to count args. Return a
446 NULL_RTX instead of an error_mark_node. Toidy up formatting.
448 2010-02-23 Jakub Jelinek <jakub@redhat.com>
450 PR target/43107
451 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
452 greater or equal to nelt instead of 2 * nelt.
453 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
454 with nelt - 1.
456 2010-02-23 Jason Merrill <jason@redhat.com>
458 PR debug/42800
459 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
460 in cfun->local_decls even if they have register types.
462 PR c++/42837
463 * stor-layout.c (place_field): Don't warn about unnecessary
464 DECL_PACKED if the type is packed.
466 2010-02-23 Jakub Jelinek <jakub@redhat.com>
468 PR target/43139
469 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
470 GOTOFF relocs, even when the base reg isn't pic pointer.
472 2010-02-23 Michael Matz <matz@suse.de>
474 PR debug/43077
475 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
476 (expand_gimple_basic_block): Generate and use debug temps if there
477 are debug uses left after the last real use of TERed ssa names.
478 Unlink debug immediate uses when they are expanded.
480 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
482 PR 43123
483 * config/i386/i386.c (override_options): Reorganise to provide
484 better error messages.
486 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
488 PR middle-end/43083
489 * graphite-scop-detection.c (create_single_exit_edge): Move
490 the call to find_single_exit_edge to....
491 (create_sese_edges): ...here. Don't handle multiple edges
492 exiting the function.
493 (build_graphite_scops): Don't handle multiple edges
494 exiting the function.
496 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
498 PR middle-end/43097
499 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
500 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
502 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
504 PR middle-end/43026
505 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
507 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
509 PR c++/43126
510 * c-typeck.c (convert_arguments): Print declaration location.
511 * c-common.c (validate_nargs): Rename as
512 builtin_function_validate_nargs.
513 (check_builtin_function_arguments): Update.
515 2010-02-22 Richard Guenther <rguenther@suse.de>
517 PR lto/43045
518 * tree-inline.c (declare_return_variable): Use the type of
519 the call stmt lhs if available.
521 2010-02-22 Duncan Sands <baldrick@free.fr>
523 * passes.c (register_pass): Always consider all pass lists when
524 ref_pass_instance_number is zero.
526 2010-02-22 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/42749
529 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
530 parameter. Do arithmetic in the original type.
531 (update_accumulator_with_ops): Likewise.
532 (adjust_accumulator_values): Adjust.
534 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
536 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
537 (QI to BLKmode splitter): New splitter.
539 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
541 * config/i386/i386.c (initial_ix86_tune_features): Turn on
542 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
544 2010-02-22 Richard Guenther <rguenther@suse.de>
546 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
548 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
550 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
551 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
552 ($(T)crti.o, $(T)crtn.o): Remove rules.
554 2010-02-21 Tobias Burnus <burnus@net-b.de>
556 PR fortran/35259
557 * doc/invoke.texi (-fassociative-math): Document that this
558 option is automatically enabled for Fortran.
560 2010-02-20 David S. Miller <davem@davemloft.net>
562 * configure.ac: Test if linker and assembler properly support
563 GOTDATA_OP relocations.
564 * configure: Rebuild.
565 * config.in: Likewise.
566 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
567 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
568 (movsi_high_pic): Likewise.
569 (movdi_lo_sum_pic): Likewise.
570 (movdi_high_pic): Likewise.
571 (movsi_pic_gotdata_op): New pattern.
572 (movdi_pic_gotdata_op): Likewise.
573 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
574 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
576 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
578 PR target/43067
579 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
580 attribute to ssemul.
581 (xop_mulv2div2di3_high): Ditto.
583 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
585 PR c++/35669
586 * c.opt (Wconversion-null): New option.
587 * doc/invoke.texi (Wconversion-null): Document.
589 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
591 * common.opt (Wlarger-than-): Add Undocumented.
593 2010-02-19 Mike Stump <mikestump@comcast.net>
595 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
597 2010-02-19 Jason Merrill <jason@redhat.com>
599 PR target/40332
600 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
601 * configure: Likewise.
603 2010-02-20 Alan Modra <amodra@gmail.com>
605 PR middle-end/42344
606 * cgraph.h (cgraph_make_decl_local): Declare.
607 * cgraph.c (cgraph_make_decl_local): New function.
608 (cgraph_make_node_local): Use it.
609 * cgraphunit.c (cgraph_function_versioning): Likewise.
610 * ipa.c (function_and_variable_visibility): Likewise.
612 2010-02-19 Jakub Jelinek <jakub@redhat.com>
614 PR bootstrap/43121
615 * except.c (sjlj_emit_function_enter): Don't call
616 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
617 directly.
618 * rtl.h (add_reg_br_prob_note): Remove prototype.
620 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
622 PR 41779
623 * c-common.c (conversion_warning): Remove widening conversions
624 before checking the conversion of integers to reals.
626 2010-02-19 Mike Stump <mikestump@comcast.net>
628 PR middle-end/43125
629 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
631 PR objc/43061
632 * cgraphunit.c (process_function_and_variable_attributes): Check
633 DECL_PRESERVE_P instead of looking up attribute "used".
634 * ipa-pure-const.c (check_decl): Likewise.
635 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
636 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
637 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
638 instead of attribute "used".
639 * config/sol2-c.c (solaris_pragma_init): Likewise.
640 (solaris_pragma_fini): Likewise.
642 2010-02-19 Jakub Jelinek <jakub@redhat.com>
644 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
645 Use XCNEW instead of xcalloc.
646 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
647 XNEW instead of xmalloc.
648 (get_fields): Use XNEWVEC instead of xmalloc.
650 PR debug/43084
651 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
652 populate vars array.
653 (create_new_general_access): For debug stmts just reset value.
654 (get_stmt_accesses): For accesses within debug stmts just record them
655 using add_access_to_acc_sites instead of preventing the peeling or
656 counting them as accesses.
658 PR middle-end/42233
659 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
661 2010-02-19 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/42916
664 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
665 instructions.
667 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
669 * configure.ac: Replace all uses of changequote in macro arguments
670 with proper quoting.
672 2010-02-19 Jakub Jelinek <jakub@redhat.com>
674 PR middle-end/42233
675 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
677 2010-02-19 Richard Guenther <rguenther@suse.de>
679 PR tree-optimization/42944
680 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
681 test for aliasing with errno.
683 2010-02-19 Jakub Jelinek <jakub@redhat.com>
685 PR middle-end/42233
686 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
687 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
688 * dojump.c: Include output.h.
689 (inv): New inline function.
690 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
691 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
692 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
693 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
694 argument, pass it down to other calls.
695 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
696 add REG_BR_PROB note to the conditional jump.
697 * cfgexpand.c (add_reg_br_prob_note): Removed.
698 (expand_gimple_cond): Don't call it, add the probability
699 as last argument to jumpif_1/jumpifnot_1.
700 * Makefile.in (dojump.o): Depend on output.h.
701 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
702 callers.
703 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
704 * stmt.c (do_jump_if_equal): Likewise.
705 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
706 * loop-unswitch.c (compare_and_jump_seq): Likewise.
707 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
708 Likewise.
709 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
710 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
711 jumpifnot_1 callers.
712 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
713 callers.
714 (store_expr): Adjust jumpifnot caller.
715 (store_constructor): Adjust jumpif caller.
717 PR middle-end/42233
718 * gimplify.c (gimple_boolify): For __builtin_expect call
719 gimple_boolify also on its first argument.
721 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
723 * configure.ac (gnu-unique-object): Wrap regexps using [] in
724 changequote block.
725 (__stack_chk_fail): Ditto. Remove quadrigraphs.
726 * configure: Regenerated.
728 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
730 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
731 lang_hooks.types_compatible_p instead of comptypes.
733 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
735 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
736 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
737 if __prefer_thumb__ is defined.
739 2010-02-18 Martin Jambor <mjambor@suse.cz>
741 PR tree-optimization/43066
742 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
743 array with zero-sized element type.
745 2010-02-18 Jakub Jelinek <jakub@redhat.com>
747 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
748 rtx, allocate struct var_loc_node here and return it to the
749 caller, and only if it is actually needed.
750 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
751 move it earlier and return immediately if it returns NULL.
753 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
755 * config/sparc/gas.h: New file. Restore
756 TARGET_ASM_NAMED_SECTION to its ELF default.
757 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
758 check !HAVE_GNU_AS.
759 * config/sparc/sparc.c (sparc_elf_asm_named_section):
760 Likewise. Add ATTRIBUTE_UNUSED to prototype.
761 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
762 after sparc/sysv4.h.
764 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
766 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
768 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
770 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
771 patterns from predicated pattern.
773 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
775 PR target/43103
776 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
777 for insn mnemonic suffix.
779 2010-02-17 Richard Guenther <rguenther@suse.de>
781 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
782 to loop PHI nodes.
784 2010-02-17 Jakub Jelinek <jakub@redhat.com>
786 PR debug/42918
787 * caller-save.c (save_call_clobbered_regs): If BB ends with
788 a DEBUG_INSN, move any notes in between last real insn and the last
789 DEBUG_INSN after the last DEBUG_INSN.
791 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
793 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
794 Fix return type. Fix argument type. Explain meaning of return value.
796 2010-02-16 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/41043
799 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
800 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
801 statements ...
802 (vrp_visit_phi_node): ... but only for loop PHI nodes.
804 2010-02-16 Ira Rosen <irar@il.ibm.com>
806 PR tree-optimization/43074
807 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
808 * tree-vect-loop.c (vect_analyze_loop_operations): Add
809 vectorizable cycles in hybrid SLP check.
810 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
812 2010-02-16 Richard Guenther <rguenther@suse.de>
814 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
815 (true_dependence): If memrefs_conflict_p computes must-alias
816 trust it. Move TBAA check after offset-based disambiguation.
817 (canon_true_dependence): Likewise.
819 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
821 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
822 * doc/invoke.texi: Document it.
823 * var-tracking.c: Include toplev.h and params.h.
824 (vt_find_locations): Return bool indicating success. Compute
825 hash sizes unconditionally. Check new parameter, report.
826 (variable_tracking_main_1): Check vt_find_locations results and
827 retry. Renamed from...
828 (variable_tracking_main): ... this. New wrapper to preserve
829 flag_var_tracking_assignments.
830 * Makefile.in (var-tracking.o): Adjust dependencies.
832 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
833 Jakub Jelinek <jakub@redhat.com>
835 PR target/42854
836 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
837 if weak_import attribute is present.
838 * config/darwin.c (machopic_select_section): Likewise.
840 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
842 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
843 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
844 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
845 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
847 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
849 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
850 Fix argument types.
852 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
853 Rewrite text to refer to the names.
855 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
857 * config/i386/i386-builtin-types.def
858 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
859 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
860 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
861 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
862 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
863 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
864 IX86_BUILTIN_VPERMIL2PS256.
865 (MULTI_ARG_4_DF2_DI_I): Defined.
866 (MULTI_ARG_4_DF2_DI_I1): Defined.
867 (MULTI_ARG_4_SF2_SI_I): Defined.
868 (MULTI_ARG_4_SF2_SI_I1): Defined.
869 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
870 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
871 __builtin_ia32_vpermil2ps256.
872 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
873 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
874 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
875 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
876 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
877 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
878 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
879 CODE_FOR_xop_vpermil2v8sf3.
880 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
881 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
882 * config/i386/xopintrin.h (_mm_permute2_pd): New.
883 (_mm256_permute2_pd): New.
884 (_mm_permute2_ps): New.
885 (_mm256_permute2_ps): New.
887 2010-02-15 Nick Clifton <nickc@redhat.com>
889 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
890 boolean parameters. Use emit_jump_insn when emitting a pop
891 instruction containing a return insn.
892 (push): Use 'true' rather than '1' as second parameter to F.
893 (h8300_expand_prologue): Likewise.
894 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
895 (h8300_expand_epilogue): Likewise.
897 2010-02-15 Richard Guenther <rguenther@suse.de>
899 PR middle-end/43068
900 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
901 if that is zero.
903 2010-02-15 Nick Clifton <nickc@redhat.com>
905 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
906 delta.
908 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
910 * intl.c (fake_ngettext): New function.
911 * intl.h (fake_ngettext): Declare.
912 (ngettext): Define macro.
913 * collect2.c (notice_translated): New function.
914 (main): Use notice_translated and ngettext.
915 * collect2.h (notice_translated): Declare.
917 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
919 * reorg.c (delete_computation): Comment fixes.
920 * caller-save.c (setup_save_areas): Idem.
921 * sel-sched-dump.c (dump_lv_set): Idem.
922 * rtl.def: Idem.
924 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
926 * config/s390/s390.c (s390_sched_init): New function.
927 (TARGET_SCHED_INIT): Target hook defined.
929 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
930 Jack Howarth <howarth@bromo.med.uc.edu>
931 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
933 PR target/42982
934 Partial revert of unintended change in fix for PR41605.
935 * config/darwin.h: Fix typo.
936 * config/darwin9.h: Same.
938 2010-02-11 Jakub Jelinek <jakub@redhat.com>
940 * c-pch.c (pch_init): Clear v.
942 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
944 PR middle-end/42930
945 * graphite-scop-detection.c (graphite_can_represent_scev): Call
946 graphite_can_represent_init for MULT_EXPR.
948 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
950 PR middle-end/42914
951 PR middle-end/42530
952 * graphite-sese-to-poly.c (remove_phi): New.
953 (translate_scalar_reduction_to_array): Call remove_phi.
955 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
957 PR middle-end/42771
958 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
959 * graphite-clast-to-gimple.h (gloog): Update declaration.
960 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
961 * graphite-poly.h (struct poly_bb): Add missing comments.
962 (struct scop): Add poly_scop_p field.
963 (POLY_SCOP_P): New.
964 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
965 * graphite.c (graphite_transform_loops): Build the polyhedral
966 representation for each scop before code generation.
967 * sese.c (rename_variables_in_operand): Removed.
968 (rename_variables_in_expr): Return the renamed expression.
969 (rename_sese_parameters): New.
970 * sese.h (rename_sese_parameters): Declared.
972 2010-02-11 Richard Guenther <rguenther@suse.de>
974 PR tree-optimization/42998
975 * tree-ssa-pre.c (create_expression_by_pieces): Treat
976 POINTER_PLUS_EXPR properly.
978 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
979 Changpeng Fang <changpeng.fang@amd.com>
981 PR middle-end/40886
982 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
983 the cost of an IV candidate when the IV is used in a test against zero.
985 * gcc.dg/tree-ssa/ivopts-3.c: New.
987 2010-02-11 Richard Guenther <rguenther@suse.de>
989 PR lto/41664
990 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
991 pointer-vs-decl case by swapping refs. Handle some cases
992 of pointer-vs-decl disambiguations more conservatively.
993 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
994 to false after expanding.
996 2010-02-11 Richard Guenther <rguenther@suse.de>
998 PR driver/43021
999 * gcc.c (process_command): Handle LTO file@offset case more
1000 appropriately.
1002 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1004 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1005 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1006 of DEBUG_INSNs.
1007 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1009 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1010 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1011 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1012 Optimize eq/ne comparisons when both arguments are known to be
1013 zero-extended.
1014 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1015 Don't mask operands unnecessarily if they are known to be already
1016 zero-extended.
1018 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1020 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1021 instead of loop.
1023 2010-02-10 Richard Guenther <rguenther@suse.de>
1025 PR tree-optimization/43017
1026 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1027 for wrapping signed arithmetic.
1029 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1031 PR debug/43010
1032 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1033 if no debug info should be emitted for it.
1035 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1037 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1038 note when flag_exceptions is set.
1040 2010-02-10 Duncan Sands <baldrick@free.fr>
1042 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1044 2010-02-10 Richard Guenther <rguenther@suse.de>
1046 PR c/43007
1047 * tree.c (get_unwidened): Handle constants.
1048 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1050 2010-02-10 Martin Jambor <mjambor@suse.cz>
1052 PR lto/42985
1053 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1054 check for variable argument counts independently.
1056 2010-02-10 Christian Bruel <christian.bruel@st.com>
1058 PR target/42841
1059 * config/sh/sh.c (find_barrier): Increase length for non delayed
1060 conditional branches.
1062 2010-02-10 Christian Bruel <christian.bruel@st.com>
1064 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1066 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1068 * builtins.c (set_builtin_user_assembler_name): Also handle
1069 ffs if int is smaller than word.
1071 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1073 PR middle-end/42973
1074 * ira-conflicts.c (get_dup): Remove.
1075 (process_reg_shuffles): Add new parameter. Use it as an
1076 additional guard for copy generation.
1077 (add_insn_allocno_copies): Rewrite.
1079 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1081 * common.opt (fsched2-use-traces): Preserved for backward
1082 compatibility.
1083 * doc/invoke.texi: Remove the documentation about option
1084 -fsched2-use-traces.
1085 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1086 flag_sched2_use_traces.
1087 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1088 the backward compatibility flag section.
1090 2010-02-09 Richard Guenther <rguenther@suse.de>
1092 PR tree-optimization/43008
1093 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1094 make HEAP variables initialized from global memory if they
1095 are not known builtin functions.
1096 (find_func_aliases): Adjust.
1098 2010-02-09 Richard Guenther <rguenther@suse.de>
1100 PR tree-optimization/43000
1101 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1102 arithmetic manually.
1104 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1106 PR tree-optimization/42931
1107 * tree-loop-linear.c (try_interchange_loops): Don't call
1108 double_int_mul if estimated_loop_iterations failed.
1110 2010-02-08 Martin Jambor <mjambor@suse.cz>
1112 PR middle-end/42898
1113 * tree-sra.c (build_accesses_from_assign): Do not mark in
1114 should_scalarize_away_bitmap if stmt has volatile ops.
1115 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1116 has volatile ops.
1118 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1120 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1122 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1124 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1125 before the pattern.
1127 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1129 PR middle-end/42946
1130 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1132 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1134 PR middle-end/42988
1135 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1136 to unknown_dependence.
1137 (graphite_legal_transform_dr): Handle the unknown_dependence.
1138 (graphite_carried_dependence_level_k): Same.
1140 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1142 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1144 2010-02-07 Richard Guenther <rguenther@suse.de>
1146 PR middle-end/42991
1147 * expr.c (get_inner_reference): Always initialize *pbitsize.
1149 2010-02-07 Richard Guenther <rguenther@suse.de>
1151 PR middle-end/42956
1152 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1153 new ARRAY_REFs on variable size element or minimal index arrays.
1154 Complete.
1155 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1156 gimple_fold_indirect_ref.
1158 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1160 PR target/42957
1161 * arm.c (arm_override_options): Just return if the user has specified
1162 an invalid fpu name.
1164 2010-02-03 Jason Merrill <jason@redhat.com>
1166 PR c++/42870
1167 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1168 i386_pe_maybe_record_exported_symbol.
1170 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1172 PR target/42924
1173 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1174 (pa_delegitimize_address): New function.
1176 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1178 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1179 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1181 2010-02-05 Richard Guenther <rguenther@suse.de>
1183 PR lto/42762
1184 * lto-streamer-in.c (get_resolution): Deal with references
1185 to undefined functions.
1187 2010-02-05 Richard Guenther <rguenther@suse.de>
1189 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1190 (fold_const_aggregate_ref): Likewise.
1191 (ccp_fold_stmt): Substitute loads.
1192 (maybe_fold_reference): Verify types before substituting.
1193 Unshare properly.
1194 (fold_gimple_assign): Unshare properly.
1195 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1197 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1199 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1200 for rs6000_gen_cell_microcode.
1202 2010-02-04 Richard Guenther <rguenther@suse.de>
1204 PR rtl-optimization/42952
1205 * dse.c (const_or_frame_p): Remove MEM handling.
1207 2010-02-04 Nick Clifton <nickc@redhat.com>
1209 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1210 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1211 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1212 (mn10300_asm_output_mi_thunk): New function.
1213 (mn10300_can_output_mu_thunk): New function.
1214 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1215 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1216 (FUNCTION_ARG): Delete incorrect comment.
1218 2010-02-03 Jason Merrill <jason@redhat.com>
1220 PR c++/40138
1221 * fold-const.c (operand_equal_p): Handle erroneous types.
1223 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1225 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1227 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1229 PR rtl-optimization/42941
1230 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1231 of xmalloc.
1233 2010-02-03 Jason Merrill <jason@redhat.com>
1235 PR c++/35652
1236 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1238 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1240 PR debug/42896
1241 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1242 (cselib_reset_table): Renamed from...
1243 (cselib_reset_table_with_next_value): ... this.
1244 (cselib_get_next_uid): Renamed from...
1245 (cselib_get_next_unknown_value): ... this.
1246 * cselib.c (next_uid): Renamed from...
1247 (next_unknown_value): ... this.
1248 (cselib_clear_table): Adjust.
1249 (cselib_reset_table): Adjust. Renamed from...
1250 (cselib_reset_table_with_next_value): ... this.
1251 (cselib_get_next_uid): Adjust. Renamed from...
1252 (cselib_get_next_unknown_value): ... this.
1253 (get_value_hash): Use hash.
1254 (cselib_hash_rtx): Likewise.
1255 (new_cselib_val): Adjust. Set and dump uid.
1256 (cselib_lookup_mem): Pass next_uid as hash.
1257 (cselib_subst_to_values): Likewise.
1258 (cselib_log_lookup): Dump uid.
1259 (cselib_lookup): Pass next_uid as hash. Adjust.
1260 (cselib_process_insn): Adjust.
1261 (cselib_init): Initialize next_uid.
1262 (cselib_finish): Adjust.
1263 (dump_cselib_table): Likewise.
1264 * dse.c (canon_address): Dump value uid.
1265 * print-rtl.c (print_rtx): Print value uid.
1266 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1267 (dvuid): New type.
1268 (dv_uid): New function, sort of renamed from...
1269 (dv_htab_hash): ... this, reimplemented in terms of it and...
1270 (dv_uid2hash): ... this. New.
1271 (variable_htab_eq): Drop excess assertions.
1272 (tie_break_pointers): Removed.
1273 (canon_value_cmp): Compare uids.
1274 (variable_post_merge_New_vals): Print uids.
1275 (vt_add_function_parameters): Adjust.
1276 (vt_initialize): Reset table. Adjust.
1278 2010-02-03 Richard Guenther <rguenther@suse.de>
1280 PR tree-optimization/42944
1281 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1282 (call_may_clobber_ref_p_1): Likewise. Properly handle
1283 malloc and calloc clobbering errno.
1285 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1287 * doc/invoke.texi: Fix name of sched1 dump.
1289 * opts.c (decode_options): Set flag_tree_switch_conversion
1290 only conditionally on optimize >= 2.
1292 * gcse.c: Assorted comment fixes in pass description.
1294 2010-02-03 Anthony Green <green@moxielogic.com>
1296 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1297 nop padding in order to maintain alignment of storage location of
1298 target function address.
1299 (moxie_trampoline_init): Store target function address at newly
1300 aligned location.
1301 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1302 to 32.
1303 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1305 2010-02-03 Richard Guenther <rguenther@suse.de>
1307 PR middle-end/42927
1308 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1310 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1312 * config.gcc: Reenable check for obsolete targets.
1313 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1314 mips-sgi-irix6.[0-4]*.
1316 2010-02-02 Nick Clifton <nickc@redhat.com>
1318 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1319 constant size of 4 as being the same as 0.
1320 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1321 can take values in the range 0..4.
1323 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1325 PR java/41991
1326 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1327 as _darwin10_Unwind_FindEnclosingFunction().
1328 * libgcc-libsystem.ver: New.
1330 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1332 PR target/41399
1333 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1334 implicitly set registers.
1336 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1338 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1339 (arm_override_options): Allow automatic selection of the thread
1340 pointer register if thumb2.
1341 (legitimize_pic_address): Improve code sequences for Thumb2.
1342 (arm_call_tls_get_addr): Likewise.
1343 (legitimize_tls_address): Likewise.
1344 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1345 (pic_load_addr_32bit): ... this. New named pattern.
1346 * thumb2.md (pic_load_addr_thumb2): Delete.
1347 (pic_load_dot_plus_four): Delete.
1348 (tls_load_dot_plus_four): New named pattern.
1350 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1352 PR libgomp/29986
1353 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1354 Document fix for TLS bug.
1356 2010-01-31 Richard Guenther <rguenther@suse.de>
1358 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1359 conservatively correct.
1361 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1363 PR target/42850
1364 Revert:
1365 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1367 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1369 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1371 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1373 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1375 * config.gcc: Adjust order of makefile fragments for mingw targets.
1377 2010-01-31 Richard Guenther <rguenther@suse.de>
1379 PR middle-end/42898
1380 * gimplify.c (gimplify_init_constructor): For volatile LHS
1381 initialize a temporary.
1383 2010-01-31 Matthias Klose <doko@ubuntu.com>
1385 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1386 --with-headers
1387 * configure: Regenerate.
1389 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1391 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1392 the same alias set and their sizes different constantness.
1393 (aliasing_component_refs_p): Revert 2009-10-24 change.
1395 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1397 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1398 unused.
1400 2010-01-29 Richard Guenther <rguenther@suse.de>
1402 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1403 Assert we successfully updated the call.
1405 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1407 PR rtl-optimization/42889
1408 * df.h (df_set_bb_dirty_nonlr): New prototype.
1409 * df-core.c (df_set_bb_dirty_nonlr): New function.
1410 * df-scan.c (df_insn_rescan): Call it instead of
1411 df_set_bb_dirty for DEBUG_INSNs.
1413 2010-01-29 Richard Guenther <rguenther@suse.de>
1415 PR middle-end/37448
1416 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1417 quadratic behavior in most cases.
1419 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1421 PR target/42891
1422 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1423 in the call to gen_x86_movsicc_0_m1.
1425 2010-01-28 Richard Guenther <rguenther@suse.de>
1427 PR tree-optimization/42871
1428 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1430 2010-01-28 Richard Guenther <rguenther@suse.de>
1432 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
1433 into call arguments.
1435 2010-01-28 Richard Guenther <rguenther@suse.de>
1437 PR middle-end/42883
1438 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
1439 the forwarder if the destination is an EH landing pad.
1441 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
1443 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
1444 block list passed to gimple_duplicate_sese_tail.
1445 (parallelize_loops): Avoid parallelization when the function
1446 has_nonlocal_label.
1447 Avoid parallelization when the preheader is IRREDUCIBLE.
1448 Try to optimize when estimated_loop_iterations_int is unresolved.
1449 Add the loop's location to the dump file.
1450 * tree-cfg.c (add_phi_args_after_redirect): Remove.
1451 (gimple_duplicate_sese_tail): Remove the check for the latch.
1452 Redirect nexits to the exit block.
1453 Remove handling of the incoming edges to the latch.
1454 Redirect the backedge from the copied latch to the exit bb.
1456 2010-01-28 Michael Matz <matz@suse.de>
1458 PR target/42881
1459 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
1460 Wrap force_reg into a sequence, emit it before user.
1462 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
1464 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
1465 (arm_rev): New.
1466 (arm_legacy_rev): Likewise.
1467 (thumb_legacy_rev): Likewise.
1469 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1471 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
1472 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
1473 on MEM's address failed, try avoid_constant_pool_reference and
1474 recurse if it returned something different.
1475 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
1476 address, try avoid_constant_pool_reference and recurse if it
1477 returned something different.
1478 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
1479 address and avoid_constant_pool_reference returned something
1480 different, don't set have_address.
1482 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
1484 PR debug/42861
1485 * var-tracking.c (val_store): Add modified argument, obey it.
1486 Adjust callers.
1487 (count_uses): Move down logging of main.
1488 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
1489 don't need resolution.
1490 (emit_notes_in_bb): Likewise.
1492 2010-01-27 Richard Guenther <rguenther@suse.de>
1494 PR middle-end/42878
1495 * tree-inline.c (remap_decl): Delay remapping of SSA name
1496 default definitions until we need them.
1498 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1500 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1501 (rs6000_delegitimize_address): New function.
1503 * config/s390/s390.c (s390_delegitimize_address): Call
1504 delegitimize_mem_from_attrs.
1506 PR middle-end/42874
1507 * tree-inline.c (cannot_copy_type_1): Removed.
1508 (copy_forbidden): Don't forbid copying of functions containing
1509 records/unions with variable length fields.
1511 2010-01-27 Christian Bruel <christian.bruel@st.com>
1513 Revert:
1514 PR target/42841
1515 * config/sh/sh.c (find_barrier): Increase length for non delayed
1516 conditional branches.
1518 2010-01-27 Matthias Klose <doko@ubuntu.com>
1520 * configure.ac (gnu-unique-object): Fix ldd version check.
1521 * configure: Regenerate.
1523 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1525 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
1526 HAVE_GNU_AS value.
1527 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
1528 Test for HAVE_GNU_AS value.
1530 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1532 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
1533 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
1534 INT64_TYPE): Define.
1535 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
1536 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1537 INT_LEAST64_TYPE): Define.
1538 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
1539 UINT_LEAST64_TYPE): Define.
1540 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
1541 INT_FAST64_TYPE): Define.
1542 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1543 UINT_FAST64_TYPE): Define.
1544 (INTMAX_TYPE, UINTMAX_TYPE): Define.
1545 (INTPTR_TYPE, UINTPTR_TYPE): Define.
1546 (SIG_ATOMIC_TYPE): Define.
1548 2010-01-26 Richard Guenther <rguenther@suse.de>
1550 * df-scan.c (df_scan_set_bb_info): Remove assert.
1551 (df_insn_rescan_debug_internal): Merge asserts.
1552 (df_install_ref): Likewise.
1553 (df_mark_reg): Use bitmap_set_range.
1554 (df_hard_reg_used_p): Remove assert.
1555 (df_hard_reg_used_count): Likewise.
1557 2010-01-26 Richard Guenther <rguenther@suse.de>
1559 PR rtl-optimization/42685
1560 * web.c (web_main): Ignore DEBUG_INSNs.
1562 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
1564 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
1566 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
1567 Fix types of fndecl and arglist parameters.
1569 2010-01-26 Richard Guenther <rguenther@suse.de>
1571 PR middle-end/42806
1572 * tree-eh.c (unsplit_eh): Skip debug insns.
1574 2010-01-26 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/42250
1577 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
1579 2010-01-26 Jakub Jelinek <jakub@redhat.com>
1581 PR fortran/42866
1582 * omp-low.c (expand_omp_sections): Only use single_pred if
1583 l2_bb is single_pred_p.
1585 2010-01-25 Christian Bruel <christian.bruel@st.com>
1587 PR target/42841
1588 * config/sh/sh.c (find_barrier): Increase length for non delayed
1589 conditional branches.
1590 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
1592 2010-01-24 David S. Miller <davem@davemloft.net>
1594 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
1595 define if not using GAS.
1596 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1597 Likewise. Delete SECTION_MERGE code, which is only applicable
1598 when using GAS.
1600 2010-01-24 Mark Mitchell <mark@codesourcery.com>
1602 PR c++/42748
1603 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
1604 mangling of va_list in system headers.
1606 2010-01-23 Toon Moene <toon@moene.org>
1608 * tree-predcom.c (combine_chains): Return NULL, not false.
1610 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
1612 * tree-loop-distribution.c (distribute_loop): Fix declaration and
1613 initialization of variable res to agree with return type.
1615 2010-01-22 Steve Ellcey <sje@cup.hp.com>
1617 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
1618 * tree-sra.c: Add include of expr.h.
1620 2010-01-22 Jakub Jelinek <jakub@redhat.com>
1622 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
1623 insert the debug stmt on the single non-EH edge from the stmt.
1625 2010-01-22 Richard Henderson <rth@redhat.com>
1627 PR tree-opt/42833
1628 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
1629 the RHS until after generate_subtree_copies has insertted its
1630 code before the current statement.
1632 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
1634 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
1636 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
1638 2010-01-21 Martin Jambor <mjambor@suse.cz>
1640 PR tree-optimization/42585
1641 * tree-sra.c (struct access): New field grp_total_scalarization.
1642 (dump_access): Dump the new field.
1643 (should_scalarize_away_bitmap): New variable.
1644 (cannot_scalarize_away_bitmap): Likewise.
1645 (sra_initialize): Allocate new bitmaps.
1646 (sra_deinitialize): Free new bitmaps.
1647 (create_access_1): New function.
1648 (create_access): Parts moved to create_access_1.
1649 (type_consists_of_records_p): New function.
1650 (completely_scalarize_record): Likewise.
1651 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
1652 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
1653 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
1654 access.
1655 (analyze_all_variable_accesses): Completely scalarize small eligible
1656 records.
1658 2010-01-21 Martin Jambor <mjambor@suse.cz>
1660 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
1662 2010-01-21 Andrew Haley <aph@redhat.com>
1664 * gcc.c (process_command): Move lang_specific_driver before
1665 setting cc_libexec_prefix.
1667 2010-01-21 Richard Guenther <rguenther@suse.de>
1669 PR middle-end/19988
1670 * fold-const.c (negate_expr_p): Pretend only negative
1671 real constants are easily negatable.
1673 2010-01-20 Janis Johnson <janis187@us.ibm.com>
1674 Jason Merrill <jason@redhat.com>
1676 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
1677 (TYPE_TRANSPARENT_AGGR): this, for union and record.
1678 * calls.c (initialize argument_information): Handle it.
1679 * c-common.c (handle_transparent_union_attribute): Use new name.
1680 * c-decl.c (finish_struct): Ditto.
1681 * c-typeck.c (type_lists_compatible_p): Ditto.
1682 (convert_for_assignment): Use new name and also handle record.
1683 * function.c (aggregate_value_p): Handle it.
1684 (pass_by_reference): Ditto.
1685 (assign_parm_data_types): Ditto.
1686 * print-tree.c (print_node): Ditto.
1687 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
1688 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
1689 * tree.c (first_field): New fn.
1691 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1693 PR target/42818
1694 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
1695 even when linking statically, for now.
1697 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1699 PR debug/42715
1700 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
1701 without a cselib val.
1702 (count_uses): Accept MO_VAL_SET with no val on stores.
1703 (add_stores): Likewise.
1705 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1707 * var-tracking.c (check_value_val): Add a compile time assertion.
1708 (dv_is_decl_p): Simplify.
1709 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
1710 gcc_assert if ENABLE_CHECKING.
1712 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1714 PR debug/42782
1715 * var-tracking.c: Include tree-flow.h.
1716 (mem_dies_at_call): New.
1717 (dataflow_set_preserve_mem_locs): Use it.
1718 (dataflow_set_remove_mem_locs): Likewise.
1719 (dump_var): Renamed from dump_variable. Adjust all callers.
1720 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
1721 * Makefile.in (var-tracking.o): Adjust deps.
1723 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
1725 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
1727 2010-01-20 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/42717
1730 * tree-ssa-dce.c (get_live_post_dom): Remove.
1731 (forward_edge_to_pdom): Take an arbitrary edge to copy
1732 degenerate PHI args from.
1733 (remove_dead_stmt): Use the first post-dominator even if it
1734 does not contain live statements as redirection destination.
1736 2010-01-20 Richard Guenther <rguenther@suse.de>
1738 * tree-inline.c (estimate_num_insns): Handle EH builtins.
1740 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1742 * sel-sched.c (create_speculation_check): Remove set but not used
1743 variable twin.
1744 (try_transformation_cache): Remove set but not used variable ds.
1745 (calculate_privileged_insns): Remove set but not used variables
1746 cur_insn and min_spec_insn.
1747 (find_best_expr): Remove set but not used variable avail_n.
1748 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
1749 variable e.
1750 * cgraphunit.c (assemble_thunk): Remove set but not used variable
1751 false_label.
1752 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
1753 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
1754 new_scop_exit_edge.
1756 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
1758 PR bootstrap/42786
1759 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
1760 cpu types. Add support for *-sse3 cpu types.
1761 (x86_64-*-*): Ditto.
1763 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1765 PR middle-end/42803
1766 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
1767 argument, call initializer_constant_valid_p_1 instead of
1768 initializer_constant_valid_p, pass CACHE to it, return NULL
1769 immediately if first call returns NULL.
1770 (initializer_constant_valid_p_1): New function.
1771 (initializer_constant_valid_p): Use it.
1773 2010-01-20 Thomas Quinot <quinot@adacore.com>
1775 * tree.def (PLACEHOLDER_EXPR): Fix comment.
1777 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1779 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
1780 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
1781 (loc_list_from_tree): Don't handle unsigned division. Handle
1782 signed modulo using DW_OP_{over,over,div,mul,minus}.
1783 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
1784 modulo instead of signed.
1786 2010-01-20 DJ Delorie <dj@redhat.com>
1788 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
1789 (Fpa): Pass it
1790 (h8300_emit_stack_adjustment): Propogate it.
1791 (push): Pass it.
1792 (h8300_expand_prologue): Likewise.
1793 (h8300_expand_epilogue): Likewise.
1795 2010-01-19 Michael Matz <matz@suse.de>
1797 PR tree-optimization/41783
1798 * tree-data-ref.c (toplevel): Include flags.h.
1799 (dump_data_dependence_relation): Also dump the inputs if the
1800 result will be unknown.
1801 (split_constant_offset_1): Look through some conversions.
1802 * tree-predcom.c (determine_roots_comp): Restart a new chain if
1803 the offset from last element is too large.
1804 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
1805 (reassociate_to_the_same_stmt): Handle vector registers.
1806 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
1807 (e.g. conversions).
1808 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
1809 wide_prolog_niters argument, emit widening instructions.
1810 (vect_do_peeling_for_alignment): Adjust caller, use widened
1811 variant of the iteration cound.
1812 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
1814 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1816 PR target/38697
1817 * config/arm/neon-testgen.m (emit_automatics): New parameter
1818 features. Adjust for Fixed_return_reg feature.
1819 (test_intrinsic): Call emit_automatics with new feature.
1820 * config/arm/neon.ml: Update copyright years.
1821 (features): New Fixed_return_reg feature.
1822 (ops): Update feature for Vget_low.
1824 2010-01-19 Jakub Jelinek <jakub@redhat.com>
1826 PR tree-optimization/42719
1827 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
1828 stmt uses.
1830 PR debug/42728
1831 * fwprop.c (all_uses_available_at): Return false if def_set dest
1832 is a REG that is used in def_insn.
1834 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
1836 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
1838 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
1839 Add argument names.
1841 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
1843 * target.h (struct gcc_target) <secondary_reload>: Change type
1844 of last argument to secondary_reload_info *.
1846 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
1848 PR target/42774
1849 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
1850 memory references with unaligned offsets. Remove CQImode handling.
1851 (unaligned_memory_operand): Return 1 for memory references with
1852 unaligned offsets. Remove CQImode handling.
1854 2010-01-18 Richard Guenther <rguenther@suse.de>
1856 PR middle-end/39954
1857 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
1858 builtin calls.
1860 2010-01-18 Richard Guenther <rguenther@suse.de>
1862 PR tree-optimization/42781
1863 * tree-ssa-structalias.c (find_what_var_points_to): Skip
1864 restrict processing only if the original variable was artificial.
1866 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
1868 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
1869 find number of popped argument bytes.
1871 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
1872 Fix the text that describes the return value for invalid insns.
1874 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
1876 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
1877 Clarify what 'cost of the -dependence' is. Fix quoting.
1879 * toplev.c (default_get_pch_validity): Rename argument to "sz".
1880 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
1882 2010-01-17 Jakub Jelinek <jakub@redhat.com>
1884 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1885 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
1887 2010-01-17 Richard Guenther <rguenther@suse.de>
1889 PR middle-end/42248
1890 * function.c (split_complex_args): Take a VEC to modify.
1891 (assign_parms_augmented_arg_list): Build a VEC instead of
1892 a chain of PARM_DECLs.
1893 (assign_parms_unsplit_complex): Take a VEC of arguments.
1894 Do not fixup unmodified parms.
1895 (assign_parms): Deal with the VEC.
1896 (gimplify_parameters): Likewise.
1898 2010-01-17 Richard Guenther <rguenther@suse.de>
1900 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
1901 node existence check.
1902 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
1903 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
1904 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
1905 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
1906 (gimple_execute_on_growing_pred): Likewise.
1908 2010-01-17 Richard Guenther <rguenther@suse.de>
1910 PR tree-optimization/42773
1911 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
1912 (compute_antic_aux): Likewise.
1913 (compute_partial_antic_aux): Likewise.
1915 2010-01-17 Jie Zhang <jie.zhang@analog.com>
1917 PR debug/42767
1918 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
1919 and US_TRUNCATE.
1921 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
1923 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
1924 appearance.
1926 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
1927 Fix markup for strict argument.
1929 (TARGET_SCHED_REORDER2): Fix argument types.
1931 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
1932 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
1934 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
1935 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
1937 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
1938 Add argument name.
1940 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
1941 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
1942 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
1943 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
1944 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
1946 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
1948 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
1950 (TARGET_ASM_RELOC_RW_MASK): Add return type.
1951 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
1953 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
1955 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
1956 Use prototype.
1958 (TARGET_ASM_NAMED_SECTION): Fix argument list.
1960 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
1961 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
1963 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1965 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1967 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1968 referring to it. Fix language.
1970 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1972 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1974 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1976 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1978 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1979 '@var{stream}. Remove stray 'and'.
1981 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1983 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1985 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1987 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
1988 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
1990 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
1991 Fix description of return value.
1992 Rename argument "sz" to "len."
1994 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
1995 Clarify meaning of 'true' return value.
1997 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
1999 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2000 rep_mode versus mode_rep.
2002 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2004 (TARGET_BUILTIN_DECL): Fix name.
2006 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2008 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2010 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2012 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2014 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2016 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2017 Clarify language.
2019 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2020 Rename argument tm_fn to md_fn.
2022 (TARGET_OPTION_PRINT): Fix argument list.
2024 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2026 PR target/42664
2027 * config/i386/i386.c (ix86_fixup_binary_operands):
2028 Revert FMA4 fixup of operands.
2030 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2032 PR gcc/42525
2033 * Makefile.in (write_entries_to_file, install-plugin):
2034 Use \012 instead of \n with tr.
2036 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2038 * configure.ac (HAVE_AS_REF): New C macro.
2039 * configure: Regenerate.
2040 * config.in: Likewise.
2041 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2042 if HAVE_AS_REF.
2043 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2044 if HAVE_AS_REF.
2046 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2048 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2050 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2052 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2054 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2056 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2058 (TARGET_BINDS_LOCAL_P): Fix argument type.
2060 (TARGET_ASM_FILE_END): Use prototype.
2062 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2064 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2066 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2068 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2070 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2071 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2073 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2074 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2076 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2077 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2078 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2079 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2081 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2083 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2085 (TARGET_INIT_BUILTINS): Use prototype.
2087 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2088 Put 'const char *' in braces. Fix parameter types.
2089 (TARGET_INVALID_CONVERSION): Fix parameter types.
2090 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2091 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2093 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2094 Fix argument type.
2096 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2098 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2100 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2102 * doc/tm.texi (TARGET_HELP): Fix return type.
2104 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2105 in braces. Fix argument types.
2107 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2109 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2111 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2113 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2114 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2116 (TARGET_MANGLE_TYPE): Fix argument types.
2118 (TARGET_IRA_COVER_CLASSES): Use prototype.
2120 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2122 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2124 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2126 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2128 (TARGET_CALLEE_COPIES): Fix argument types.
2130 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2132 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2134 (TARGET_FUNCTION_VALUE): Fix argument types.
2136 (TARGET_RETURN_IN_MSB): Fix argument type.
2138 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2140 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2142 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2144 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2145 agree with return type.
2147 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2149 2010-01-15 Jing Yu <jingyu@google.com>
2151 PR rtl-optimization/42691
2152 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2153 a pseudo to a constant and are merged, and adjust comments.
2155 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2157 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2159 2010-01-15 Richard Guenther <rguenther@suse.de>
2161 PR middle-end/42739
2162 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2163 labels of computed or non-local gotos to the destination.
2164 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2165 landing pad label is the first label.
2167 2010-01-15 Richard Guenther <rguenther@suse.de>
2169 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2171 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2173 PR target/42747
2174 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2175 to allow generation of the xssqrtdp instruction on power7.
2176 (sqrtdf2_fpr): Ditto.
2178 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2180 PR middle-end/42674
2181 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2182 functions with noreturn attribute.
2184 PR c++/42608
2185 * varasm.c (declare_weak): Add weak attribute to decl if it
2186 doesn't have one already.
2187 (assemble_external): Only add decls to weak_decls if they also
2188 have weak attribute.
2190 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2192 * var-tracking.c (var_reg_delete): Don't delete the association
2193 between REGs and values or one-part variables if the register
2194 isn't clobbered.
2196 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2198 PR debug/42657
2199 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2200 because its first operand is a non-localized variable.
2202 2010-01-14 Martin Jambor <mjambor@suse.cz>
2204 PR tree-optimization/42706
2205 * tree-sra.c (encountered_recursive_call): New variable.
2206 (encountered_unchangable_recursive_call): Likewise.
2207 (sra_initialize): Initialize both new variables.
2208 (callsite_has_enough_arguments_p): New function.
2209 (scan_function): Call decl and flags check only for IPA-SRA, check
2210 whether there is a recursive call and whether it has enough arguments.
2211 (all_callers_have_enough_arguments_p): New function.
2212 (convert_callers): Look for recursive calls only when
2213 encountered_recursive_call is set.
2214 (ipa_early_sra): Bail out either if
2215 !all_callers_have_enough_arguments_p or
2216 encountered_unchangable_recursive_call.
2218 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2220 * sel-sched.c: Add 2010 to copyright years.
2221 * sel-sched-ir.c: Likewise.
2222 * sel-sched-ir.h: Likewise.
2224 2010-01-14 Martin Jambor <mjambor@suse.cz>
2226 PR tree-optimization/42714
2227 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2228 constructors specially.
2230 2010-01-14 Andi Kleen <ak@linux.intel.com>
2232 * config/i386/drivers-i386.c (detect_caches_intel):
2233 Add l2sizekb parameter and fill in.
2234 (host_detect_local_cpu): Add l2sizekb, fill in.
2235 Add Atom small cache heuristic.
2237 2010-01-14 Andi Kleen <ak@linux.intel.com>
2239 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2240 Add level3 parameter and fill in.
2241 (detect_caches_intel): Handle level3 cache.
2243 2010-01-14 Andi Kleen <ak@linux.intel.com>
2245 * config/i386/drivers-i386.c (host_detect_local_cpu):
2246 Fix core duo detection.
2248 2010-01-14 Andi Kleen <ak@linux.intel.com>
2250 * config/i386/drivers-i386.c (host_detect_local_cpu):
2251 Fix Atom detection.
2253 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2255 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2256 (rs6000_variable_issue_1): this. Use...
2257 (rs6000_variable_issue): here. Reimplement. Print debug info.
2259 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2261 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2262 sel_restore_notes. Update all callers. Call reemit_notes
2263 for all insns.
2265 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2267 PR rtl-optimization/42246
2268 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2269 loops.
2271 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2273 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2274 all successors is the same as number of successors in current region.
2276 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2278 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2279 to rename is not separable. Otherwise check that its LHS is not NULL.
2281 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2283 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2285 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2287 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2288 available registers when failed to discover LHS register class.
2289 Fix indentation. Update comment.
2291 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2292 Alexander Monakov <amonakov@ispras.ru>
2294 PR rtl-optimization/42389
2295 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2296 to can_issue_more.
2297 (advance_state_on_fence): Likewise.
2298 (sel_target_adjust_priority): Print debug output only when
2299 sched_verbose >= 4, not 2.
2300 (get_expr_cost): Do not issue all unique insns on the next cycle.
2301 (fill_insns): Initialize can_issue_more from the value saved
2302 with the fence.
2303 * sel-sched-ir.c (flist_add): New parameter issue_more.
2304 Init FENCE_ISSUE_MORE with it.
2305 (merge_fences): Likewise.
2306 (init_fences): Update call to flist_add.
2307 (add_to_fences, add_clean_fence_to_fences)
2308 (add_dirty_fence_to_fences): Likewise.
2309 (move_fence_to_fences): Update call to merge_fences.
2310 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2311 sched groups.
2312 * sel-sched-ir.h (struct _fence): New field issue_more.
2313 (FENCE_ISSUE_MORE): New accessor macro.
2315 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2317 PR rtl-optimization/42388
2318 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2319 that have no predecessors nor successors. Do not call move_bb_info
2320 for empty blocks outside of current region.
2322 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2324 PR rtl-optimization/42294
2325 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2326 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2327 originators' originators.
2329 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2331 PR rtl-optimization/39453
2332 PR rtl-optimization/42246
2333 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2334 for pipelining_p.
2335 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2337 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2338 Alexander Monakov <amonakov@ispras.ru>
2340 PR middle-end/42245
2341 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2342 (maybe_tidy_empty_bb): ... here. Make static. Add new
2343 argument. Update all callers.
2344 (tidy_control_flow): ... and here. Recompute topological order
2345 of basic blocks in region if necessary.
2346 (sel_redirect_edge_and_branch): Change return type. Return true
2347 if topological order might have been invalidated.
2348 (purge_empty_blocks): Export and move from...
2349 * sel-sched.c (purge_empty_blocks): ... here.
2350 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2351 (maybe_tidy_empty_bb): Delete prototype.
2352 (purge_empty_blocks): Declare.
2354 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2356 PR rtl-optimization/42249
2357 * sel-sched.c (try_replace_dest_reg): When chosen register
2358 and original register is the same, do not bail out early, but
2359 still check all original insns for validity of replacing destination
2360 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2361 in this case.
2363 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2365 PR c/42721
2366 Port from no-undefined-overflow branch:
2367 2009-03-09 Richard Guenther <rguenther@suse.de>
2369 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2371 2010-01-14 Richard Guenther <rguenther@suse.de>
2373 PR lto/42665
2374 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2376 2010-01-14 Ira Rosen <irar@il.ibm.com>
2378 PR tree-optimization/42709
2379 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2380 as scalar type in creation of constant vector operand.
2382 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2384 PR testsuite/42414
2385 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2386 (check-parallel-%): Match `testsuite' directory component only
2387 at the end.
2389 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2391 PR translation/39521
2392 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2393 strings with _().
2395 2010-01-13 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/42730
2398 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2399 offset zero.
2401 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2403 PR target/pr42542
2404 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2405 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2406 them signed.
2408 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2410 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2411 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2412 ___umulsi3_highpart.
2414 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2415 rather than schedule_insns if the pass is enabled.
2417 2010-01-13 Martin Jambor <mjambor@suse.cz>
2419 PR tree-optimization/42704
2420 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2421 SSA_NAMEs.
2423 2010-01-13 Martin Jambor <mjambor@suse.cz>
2425 PR tree-optimization/42703
2426 * tree-sra.c (analyze_access_subtree): Check that we can build a
2427 reference to the original data within the aggregate.
2429 2010-01-13 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/42705
2432 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
2434 2010-01-13 Richard Guenther <rguenther@suse.de>
2436 PR middle-end/42716
2437 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
2439 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2441 PR debug/41371
2442 * var-tracking.c (values_to_unmark): New variable.
2443 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2444 values_to_unmark vector. Moved body to...
2445 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2446 instead queue it into values_to_unmark vector.
2447 (vt_find_locations): Free values_to_unmark vector.
2449 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
2451 * config/s390/s390.c (override_options): Set
2452 default of max-pending-list-length to 256
2454 2010-01-13 Richard Guenther <rguenther@suse.de>
2456 PR lto/42678
2457 * tree-pass.h (PROP_gimple_lcx): New.
2458 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
2459 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
2460 before the final cleanup_eh.
2461 (dump_properties): Dump PROP_gimple_lcx.
2462 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
2463 (tree_lower_complex_O0): Remove.
2464 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
2465 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
2466 tree_lower_complex, schedule TODO_update_ssa.
2467 * lto-streamer-out.c (output_function): Stream the functions
2468 properties.
2469 * lto-streamer-in.c (input_function): Likewise.
2470 (lto_read_body): Do not override them here.
2472 2010-01-12 Joseph Myers <joseph@codesourcery.com>
2474 PR c/42708
2475 * c-typeck.c (build_c_cast): Fold value cast to union type before
2476 wrapping it in a CONSTRUCTOR.
2478 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2480 PR rtl-optimization/42699
2481 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
2482 involved.
2484 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2486 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2487 SUBTARGET_WARN_UNUSED_SPEC): Move ...
2488 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2489 SUBTARGET_WARN_UNUSED_SPEC): ... here
2490 * config/mips/iris5.h (LIBGCC_SPEC): Define.
2492 2010-01-12 Julian Brown <julian@codesourcery.com>
2494 * config/arm/neon-schedgen.ml (Utils): Don't try to
2495 open missing module.
2496 (find_with_result): New.
2498 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2500 PR debug/42662
2501 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
2502 sharing when canonicalizing ({lt,ge}u (plus a b) b).
2504 PR tree-optimization/42645
2505 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
2506 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
2507 decl_map, set processing_debug_stmt to -1 and return name without
2508 any remapping.
2510 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
2512 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
2513 binutils version, and reword target configuration description.
2515 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2517 * config/avr/avr.h (LINKER_NAME): Remove.
2519 2010-01-11 Janis Johnson <janis187@us.ibm.com>
2521 PR target/42416
2522 * config/rs6000/rs6000.c (rs6000_override_options): On targets
2523 that support VSX, warn for -mno-altivec if vsx is not disabled,
2524 and disable vsx.
2526 2010-01-11 Joseph Myers <joseph@codesourcery.com>
2527 Shujing Zhao <pearly.zhao@oracle.com>
2529 PR translation/42469
2530 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
2531 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
2532 character between option name and help text.
2533 * c.opt (imultilib): Likewise.
2535 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
2537 * lto-streamer-out.c (output_unreferenced_globals): Output static
2538 variables.
2540 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
2542 PR rtl-optimization/42621
2543 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
2544 optimizing for size.
2545 (duplicate_computed_gotos): Remove now-redundant check.
2547 2010-01-10 Steve Ellcey <sje@cup.hp.com>
2549 PR target/37454
2550 * configure.ac: Save and restore LDFLAGS and LIBS
2551 * configure: Regenerate.
2553 2010-01-10 Richard Guenther <rguenther@suse.de>
2555 PR middle-end/42667
2556 * builtins.c (fold_builtin_strlen): Add type argument and
2557 convert the resulting length to it.
2558 (fold_builtin_1): Adjust.
2560 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2562 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
2563 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
2564 1 insn.
2565 (num_insns_constant_wide): Adjust for that change.
2567 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2569 PR debug/42631
2570 * web.c (union_defs): Add used argument, to combine uses of
2571 uninitialized regs.
2572 (entry_register): Adjust type and tests of used argument.
2573 (web_main): Widen used for new use. Pass it to union_defs.
2574 * df.h (union_defs): Adjust prototype.
2576 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2578 PR debug/42630
2579 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
2580 uses in new incoming argument. Free body.
2581 (reset_debug_uses_in_loop): New.
2582 (analyze_insn_to_expand_var): Call the latter if the former found
2583 anything. Fix whitespace. Reject invalid dest overlaps before
2584 going through all insns in the loop.
2586 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2588 PR debug/42629
2589 * haifa-sched.c (dying_use_p): Debug insns don't count.
2591 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2593 PR middle-end/42363
2594 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
2595 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
2596 (verify_gimple_call): Reject LHS in noreturn calls.
2598 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2600 PR debug/42604
2601 PR debug/42395
2602 * tree-vect-loop-manip.c (adjust_info): New type.
2603 (adjust_vec): New pointer to vector.
2604 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
2605 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
2606 (slpeel_update_phis_for_duplicate_loop): Use them.
2607 (slpeel_update_phi_nodes_for_guard1): Likewise.
2608 (slpeel_update_phi_nodes_for_guard2): Likewise.
2609 (slpeel_tree_peel_loop_to_edge): Likewise.
2610 (vect_update_ivs_after_vectorizer): Likewise.
2612 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2614 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
2615 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2617 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2619 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
2620 bogus uninitialized warning.
2622 2010-01-09 Richard Guenther <rguenther@suse.de>
2624 PR middle-end/42512
2625 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
2626 the evolution is compatible with the initial condition.
2628 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2630 * gcc.c (process_command): Update copyright notice dates.
2631 * gcov.c (print_version): Likewise.
2632 * gcov-dump.c (print_version): Likewise.
2633 * mips-tfile.c (main): Likewise.
2634 * mips-tdump.c (main): Likewise.
2636 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2638 PR target/41885
2639 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
2640 (rotlhi3): Delete.
2641 (rotlhi3_8): Delete.
2642 (rotlsi3): Delete.
2643 (rotlsi3_8): Delete.
2644 (rotlsi3_16): Delete.
2645 (rotlsi3_24): Delete.
2646 (rotl<mode>3): New.
2647 (*rotw<mode>3): New.
2648 (*rotb<mode>3): New.
2649 * config/avr/avr.c (avr_rotate_bytes): New function.
2650 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
2652 2010-01-08 Steve Ellcey <sje@cup.hp.com>
2654 PR target/37454
2655 * configure.ac: Modify -rdynamic check.
2656 * configure: Regenerate.
2658 2010-01-08 DJ Delorie <dj@redhat.com>
2660 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
2661 register popping order.
2663 2010-01-08 Richard Guenther <rguenther@suse.de>
2665 PR lto/42528
2666 * c.opt (fsigned-char): Also let LTO handle this option.
2667 (funsigned-char): Likewise.
2669 2010-01-07 Richard Guenther <rguenther@suse.de>
2671 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
2672 (gimple_op): Likewise.
2673 (gimple_op_ptr): Likewise.
2674 (gimple_assign_set_lhs): Remove gcc_assert.
2675 (gimple_assign_set_rhs1): Likewise.
2676 (gimple_assign_set_rhs2): Likewise.
2677 (gimple_call_set_lhs): Likewise.
2678 (gimple_call_set_fn): Likewise.
2679 (gimple_call_set_fndecl): Likewise.
2680 (gimple_call_fndecl): Likewise.
2681 (gimple_call_return_type): Likewise.
2682 (gimple_call_set_chain): Likewise.
2683 (gimple_call_num_args): Likewise.
2684 (gimple_call_set_arg): Likewise.
2685 (gimple_cond_set_code): Likewise.
2686 (gimple_cond_set_lhs): Likewise.
2687 (gimple_cond_set_rhs): Likewise.
2688 (gimple_cond_set_true_label): Likewise.
2689 (gimple_cond_set_false_label): Likewise.
2690 (gimple_label_set_label): Likewise.
2691 (gimple_goto_set_dest): Likewise.
2692 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
2693 (gimple_debug_bind_get_value): Likewise.
2694 (gimple_debug_bind_get_value_ptr): Likewise.
2695 (gimple_debug_bind_set_var): Likewise.
2696 (gimple_debug_bind_set_value): Likewise.
2697 (gimple_debug_bind_reset_value): Likewise.
2698 (gimple_debug_bind_has_value_p): Likewise.
2699 (gimple_return_retval_ptr): Remove gcc_assert.
2700 (gimple_return_retval): Likewise.
2701 (gimple_return_set_retval): Likewise.
2702 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
2703 (safe_referenced_var_iterator): Remove.
2704 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
2705 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
2706 (fill_referenced_var_vec): Remove.
2707 (first_readonly_imm_use): Remove redundant gcc_assert.
2708 (phi_arg_index_from_use): Combine gcc_asserts.
2709 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
2710 (first_imm_use_stmt): Remove redundant gcc_assert.
2711 * tree-cfg.c (verify_gimple_call): Verify function and chain
2712 operands. Verify arguments.
2713 (verify_types_in_gimple_stmt): Verify condition code and labels.
2715 2010-01-07 Richard Guenther <rguenther@suse.de>
2717 PR tree-optimization/42641
2718 * sese.c (rename_map_elt_info): Use the SSA name version, do
2719 not hash pointers.
2721 2010-01-07 Jakub Jelinek <jakub@redhat.com>
2723 PR tree-optimization/42625
2724 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
2725 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
2727 2010-01-07 Duncan Sands <baldrick@free.fr>
2729 * Makefile.in (PLUGIN_HEADERS): Add version.h.
2731 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
2733 PR target/42511
2734 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
2735 note itself is not function_invariant_p.
2737 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
2739 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
2740 Do not add the DF_NOTE problem.
2741 * store-motion.c (execute_rtl_store_motion): Likewise.
2743 2010-01-07 Martin Jambor <mjambor@suse.cz>
2745 PR tree-optimization/42157
2746 * tree-sra.c (compare_access_positions): Stabilize sort if both
2747 accesses have integer types, return zero immediately if they are the
2748 same.
2750 2010-01-06 Richard Henderson <rth@redhat.com>
2752 PR middle-end/41883
2753 * haifa-sched.c (add_to_note_list): Merge into ...
2754 (concat_note_lists): ... here, and ...
2755 (unlink_other_notes, rm_other_notes): Merge into...
2756 (remove_notes): ... here. Create REG_SAVE_NOTEs for
2757 NOTE_INSN_EPILOGUE_BEG.
2759 2010-01-06 Richard Guenther <rguenther@suse.de>
2761 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
2762 not inline regular functions into always-inline functions.
2764 2010-01-06 Nick Clifton <nickc@redhat.com>
2766 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
2767 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
2768 used together.
2769 (OVERRIDE_OPTIONS): Delete.
2770 (OPTIMIZATION_OPTIONS): Define.
2771 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
2772 * config/rx/rx.c (rx_handle_option): Issue an error message if
2773 -mcpu=rx200 and -fpu are used together.
2774 (rx_set_optimization_options): New function. Issue an error
2775 message if an optimization attribute attempts to reset the FPU/
2776 math optimization pairing.
2777 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
2778 * config/rx/rx.opt: Set the default to 32-bit doubles.
2779 * config/rx/t-rx: Add multilibs for -nofpu option.
2780 * doc/invoke.texi: Update documentation of RX options.
2782 2010-01-06 Richard Guenther <rguenther@suse.de>
2784 * tree-ssa-pre.c (name_to_id): New global.
2785 (alloc_expression_id): Simplify SSA name handling.
2786 (lookup_expression_id): Likewise.
2787 (init_pre): Zero name_to_id.
2788 (fini_pre): Free it.
2790 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
2792 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
2794 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
2796 PR target/42542
2797 * config/i386/sse.md (smaxv2di3): New.
2798 (umaxv2di3): Likewise.
2799 (sminv2di3): Likewise.
2800 (uminv2di3): Likewise.
2802 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
2804 PR target/42564
2805 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
2806 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
2807 (legitimize_tls_address): Likewise.
2808 (sparc_tls_referenced_p): Likewise.
2809 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
2810 and adjust calls to legitimize_pic_address.
2811 (legitimate_constant_p) Use sparc_tls_referenced_p.
2812 (legitimate_pic_operand_p): Likewise.
2813 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
2814 (sparc_tls_symbol_ref_1): Delete.
2815 (sparc_tls_referenced_p): Make static, recognize specific patterns.
2816 (legitimize_tls_address): Make static, handle CONST patterns.
2817 (legitimize_pic_address): Make static, remove unused parameter and
2818 adjust recursive calls.
2819 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
2820 and adjust call to legitimize_pic_address.
2821 (sparc_output_mi_thunk): Likewise.
2823 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
2824 H.J. Lu <hongjiu.lu@intel.com>
2826 PR target/42542
2827 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
2828 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
2829 operands to make them signed.
2831 Revert:
2832 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2834 PR target/42542
2835 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2836 GTU to GT for V4SI and V2DI.
2838 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2839 (umin<mode>3): Removed.
2840 (uminv8hi3): New.
2841 (uminv4si3): Likewise.
2843 2010-01-05 Martin Jambor <mjambor@suse.cz>
2845 PR tree-optimization/42462
2846 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
2847 current_function_decl to helper functions and macros.
2849 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2851 PR bootstrap/41771
2852 * flags.h: Don't include real.h.
2853 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
2854 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
2855 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
2856 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
2857 * dominance.c: Update copyright.
2858 * gimple.c (walk_gimple_op): Remove inline.
2859 * tree-ssa-reassoc.c: Include real.h.
2860 * Makefile.in (FLAGS_H): Remove $(REAL_H).
2861 (tree-ssa-reassoc.o): Depend on $(REAL_H).
2863 2010-01-05 Nick Clifton <nickc@redhat.com>
2865 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
2866 register to push into the stack frame when the accumulator has to
2867 be saved during interrupts.
2869 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
2871 * doc/invoke.texi: Remove the documentation about option
2872 -Wunreachable-code.
2873 * common.opt (Wunreachable-code): Preserved for backward
2874 compatibility.
2875 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
2876 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
2877 the backward compatibility flag section.
2879 2010-01-05 Richard Guenther <rguenther@suse.de>
2881 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
2883 2010-01-05 Jakub Jelinek <jakub@redhat.com>
2885 PR other/42611
2886 * cfgexpand.c (expand_one_var): Diagnose too large variables.
2888 PR tree-optimization/42508
2889 * tree-sra.c (convert_callers): Check for recursive call
2890 by comparing cgraph nodes instead of decls.
2891 (modify_function): Call ipa_modify_formal_parameters also
2892 on all same_body aliases.
2894 * cgraphunit.c (cgraph_materialize_all_clones): Compare
2895 cgraph nodes when checking for same_body aliases.
2897 2010-01-05 Richard Guenther <rguenther@suse.de>
2899 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
2900 allocation and lookup.
2901 (get_or_alloc_expr_for_constant): Likewise.
2902 (phi_translate): Sink allocation.
2904 2010-01-04 Richard Guenther <rguenther@suse.de>
2906 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
2907 a new entry only if needed.
2908 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
2909 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
2910 hashtable lookup.
2911 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
2912 the result array.
2913 (phi_translate): Handle CONSTANTs early.
2915 2010-01-04 Martin Jambor <mjambor@suse.cz>
2917 PR tree-optimization/42398
2918 * tree-sra.c (struct access): Removed flag grp_different_types.
2919 (dump_access): Do not dump the removed flag.
2920 (sort_and_splice_var_accesses): Do not set the removed flag.
2921 (sra_modify_expr): Check for type compatibility directly.
2923 2010-01-04 Martin Jambor <mjambor@suse.cz>
2925 PR tree-optimization/42366
2926 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
2927 edges with variable number of parameters.
2928 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
2929 flag instead of asserting it.
2930 (ipa_read_node_info): Read uses_analysis_done flag.
2932 2010-01-04 Richard Guenther <rguenther@suse.de>
2934 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
2935 iterative_hash_* as intended.
2936 (vn_reference_compute_hash): Likewise. Simplify hashing
2937 SSA names.
2938 (vn_reference_lookup_2): Likewise.
2939 (vn_nary_op_compute_hash): Likewise.
2940 (vn_phi_compute_hash): Likewise.
2941 (expressions_equal_p): Remove strange code.
2942 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
2943 (pre_expr_hash): Likewise. Simplify hashing SSA names.
2944 (bitmap_insert_into_set_1): Take value-id as parameter.
2945 (add_to_value): Pass it.
2946 (bitmap_insert_into_set): Likewise.
2947 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
2949 2010-01-04 Jakub Jelinek <jakub@redhat.com>
2951 PR driver/42442
2952 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
2953 (do_self_spec): For switches with SWITCH_IGNORE set set also
2954 SWITCH_IGNORE_PERMANENTLY.
2955 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
2956 of SWITCH_IGNORE.
2958 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
2960 * lto-streamer-out.c (output_unreferenced_globals): Output the full
2961 tree of an unreferenced global var.
2963 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2965 PR target/42542
2966 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2967 GTU to GT for V4SI and V2DI.
2969 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2970 (umin<mode>3): Removed.
2971 (uminv8hi3): New.
2972 (uminv4si3): Likewise.
2974 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2976 PR lto/42581
2977 * collect2.c (main): Turn on trace in collect2 if -v is passed
2978 to gcc with LTO.
2980 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2982 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2983 description of expression operand.
2985 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2987 * configure.ac: Add install-html to target_list for Make-hooks.
2988 * configure: Regenerate.
2989 * fortran/Make-lang.in (F95_HTMLFILES): New.
2990 (fortran.html): Use it.
2991 (fortran.install-html): New.
2992 * Makefile.in (install-html): Add lang.install-html.
2993 * java/Make-lang.in (JAVA_HTMLFILES): New.
2994 (java.html): Use it.
2995 (java.install-html): New.
2996 * objc/Make-lang.in (objc.install-html): New.
2997 * objcp/Make-lang.in (obj-c++.install-html): New.
2998 * cp/Make-lang.in (c++.install-html): New.
2999 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3000 * lto/Make-lang.in (lto.install-html): New.
3002 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3004 PR lto/42520
3005 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3007 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3009 PR rtl-optimization/41862
3010 * store-motion.c (store_killed_in_insn, compute_store_table,
3011 remove_reachable_equiv_notes, replace_store_insn,
3012 build_store_vectors): Ignore all DEBUG_INSNs.
3014 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3016 PR lto/41564
3017 * common.opt: Add dumpdir.
3019 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3020 isn't specified.
3021 (option_map): Add --dumpdir.
3023 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3025 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3027 * opts.c (decode_options): Try dump_dir_name first if
3028 dump_base_name isn't an absolute path.
3029 (common_handle_option): Handle OPT_dumpdir.
3031 * toplev.c (dump_dir_name): New.
3032 (print_switch_values): Also ignore -dumpdir.
3034 * toplev.h (dump_dir_name): New.
3036 2010-01-03 Richard Guenther <rguenther@suse.de>
3038 PR tree-optimization/42589
3039 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3040 double-word expansion of bswap32.
3042 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3044 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3045 with BLOCK_FOR_INSN.
3046 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3047 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3048 noce_process_if_block): Likewise.
3049 * gcse.c (compute_local_properties, insert_expr_in_table,
3050 insert_set_in_table, canon_list_insert, find_avail_set,
3051 pre_insert_copy_insn): Likewise.
3053 * basic-block.h (BLOCK_NUM): Move from here...
3054 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3056 2010-01-03 Richard Guenther <rguenther@suse.de>
3058 PR tree-optimization/42438
3059 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3060 contains_may_not_return_call flag.
3061 (BB_MAY_NOTRETURN): New.
3062 (valid_in_sets): Trapping nary operations are not valid
3063 in blocks that may not return.
3064 (insert_into_preds_of_block): Remove check for trapping expressions.
3065 (compute_avail): Compute also BB_MAY_NOTRETURN.
3067 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3069 * doc/invoke.texi: Add 2010 to copyright years.
3071 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3073 * config/sparc/sparc.c: Fix formatting nits.
3075 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3076 Alexander Monakov <amonakov@ispras.ru>
3078 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3080 2010-01-02 Richard Guenther <rguenther@suse.de>
3082 PR middle-end/42577
3083 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3084 (simplify_switch_using_ranges): Mark to be removed edges
3085 as non-executable.
3087 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3089 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3091 * collect2.c (scan_libraries): Add missing argument in call to
3092 scan_prog_file.
3094 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3096 PR target/42448
3097 * config/alpha/predicates.md (aligned_memory_operand): Return false
3098 for CQImode.
3099 (unaligned_memory_operand): Return true for CQImode.
3100 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3101 doesn not cross aligned SImode word boundary.
3103 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3105 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3106 Remove.
3107 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3108 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3110 2010-01-02 Richard Guenther <rguenther@suse.de>
3112 PR lto/41597
3113 * toplev.c (compile_file): Emit LTO marker properly. Change
3114 it to __gnu_lto_v1.
3115 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3117 2010-01-01 Richard Guenther <rguenther@suse.de>
3119 PR debug/42455
3120 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3122 2010-01-01 Richard Guenther <rguenther@suse.de>
3124 PR c/42570
3125 * c-decl.c (grokdeclarator): For zero-size arrays force
3126 structural equality checks as layout_type does.
3128 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3130 * builtins.c: Update copyright to 2010.
3132 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3134 PR lto/42531
3135 * lto-streamer-out.c (produce_asm): Revert the last change.
3136 (copy_function): Likewise.
3138 * lto-streamer.c (lto_get_section_name): Skip any leading
3139 asterisk in name.
3141 2010-01-01 Richard Guenther <rguenther@suse.de>
3143 PR middle-end/42559
3144 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3145 for LABEL_DECLs.
3147 \f
3148 Copyright (C) 2010 Free Software Foundation, Inc.
3150 Copying and distribution of this file, with or without modification,
3151 are permitted in any medium without royalty provided the copyright
3152 notice and this notice are preserved.