1 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5 V2SImode or XFmode on PRE_DEC.
8 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
11 2010-03-31 Jie Zhang <jie@codesourcery.com>
14 * reload.h (caller_save_initialized_p): Declare.
15 * toplev.c (backend_init_target): Don't call
16 init_caller_save but set caller_save_initialized_p
18 * caller-save.c (caller_save_initialized_p): Define.
19 (init_caller_save): Check caller_save_initialized_p.
20 * ira.c (ira): Call init_caller_save if flag_caller_saves.
22 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
25 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
26 and soft-fp/t-softfp to tmake_file.
27 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
28 (LIBGCC2_TF_CEXT): Define.
31 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
34 * cselib.c (n_useless_values): Document handling of debug locs.
35 (n_useless_debug_values, n_debug_values): New variables.
36 (new_elt_loc_list): Don't add to debug values, keep count.
37 (promote_debug_loc): New.
38 (cselib_reset_table): Zero new variables.
39 (entry_and_rtx_equal_p): Promote debug locs.
40 (discard_useless_locs): Increment n_useless_debug_values for
42 (remove_useless_values): Adjust n_useless_values and n_debug_values
43 with n_useless_debug_values.
44 (add_mem_for_addr): Promote debug locs.
45 (cselib_lookup_mem): Likewise.
46 (cselib_lookup_addr): Renamed to...
47 (cselib_lookup_addr_1): ... this. Promote debug locs.
49 (cselib_log_lookup): ... this. Turn into...
50 (cselib_lookup_addr): ... new wrapper.
51 (cselib_lookup_from_insn): New.
52 (cselib_invalidate_regno): Increment n_useless_debug_values for
54 (cselib_invalidate_mem): Likewise.
55 (cselib_process_insn): Take n_deleted and n_debug_values into
56 account to guard remove_useless_value call.
57 (cselib_finish): Zero n_useless_debug_values.
58 * cselib.h (cselib_lookup_from_insn): Declare.
59 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
60 (sched_analyze_2): Likewise.
62 2010-03-30 Jakub Jelinek <jakub@redhat.com>
64 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
66 (adjust_mems): Replace narrowing SUBREG of expression containing
67 just PLUS, MINUS, MULT and ASHIFT of registers and constants
68 with operations in the narrower mode.
71 * var-tracking.c (dataflow_set_clear_at_call): Invalidate
72 just regs_invalidated_by_call instead all call_used_reg_set
75 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
78 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
79 pointer comparisons with types_compatible_p.
80 * tree-vect-stmts.c (vectorizable_call): Same.
81 (vectorizable_condition): Same.
83 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
85 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
86 stack check if the mask would be zero.
88 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
89 Jack Howarth <howarth@bromo.med.uc.edu>
91 * tree-profile.c (tree_init_ic_make_global_vars): Make static
94 2010-03-30 Joseph Myers <joseph@codesourcery.com>
97 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
99 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
100 Include ___unordxf2 and ___unordtf2.
101 * config/i386/libgcc-glibc.ver: Do not define inheritance from
104 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
106 * config/lm32/t-lm32: New file.
107 * config.gcc: Use the above file when targetting lm32.
109 2010-03-28 Duncan Sands <baldrick@free.fr>
111 * Makefile.in (PLUGIN_HEADERS): Add except.h.
113 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
116 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
117 Improve vectorization cost model diagnostic.
119 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
122 * tree-vect-data-refs.c (vect_analyze_data_refs): When
123 compute_data_dependences_for_loop returns false, early exit
124 and output an extra diagnostic for the failed data reference
127 2010-03-29 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/43560
130 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p
132 (can_sm_ref_p): Treat stores to readonly locations as
135 2010-03-29 Jie Zhang <jie@codesourcery.com>
138 * toplev.c (process_options): Set optimization_default_node
139 and optimization_current_node.
140 * opts.c (decode_options): Don't set optimization_default_node
141 and optimization_current_node.
143 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
145 * config/rtems.h: Abandon -qrtems_debug.
147 2010-03-28 Jan Hubicka <jh@suse.cz>
149 PR tree-optimization/43505
150 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
151 map should not be copied.
153 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
156 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
157 cdtors, set DECL_PRESERVE_P.
158 * ipa.c (cgraph_externally_visible_p): Return true if declaration
161 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
163 PR tree-optimization/43528
164 * stor-layout.c (place_field): Check that constant fits into
165 unsigned HWI when skipping calculation of MS bitfield layout.
167 2010-03-27 Jan Hubicka <jh@suse.cz>
170 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
171 notice_global_symbol work.
173 2010-03-27 Jakub Jelinek <jakub@redhat.com>
175 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
176 instead of dwarf2out_decl.
177 (struct var_loc_node): Remove section_label field.
178 (dwarf2out_function_decl): New function.
179 (dwarf2out_var_location): Don't set section_label field.
180 (dwarf2out_begin_function): Don't empty decl_loc_table here.
182 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
184 PR tree-optimization/43544
185 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
186 First argument for builtin vectorized function hook is now a
187 tree to be able to distinguish between machine specific and
189 * targhooks.c (default_builtin_vectorized_function): Ditto.
190 * targhooks.h (default_builtin_vectorized_function): Ditto.
191 * target.h (struct gcc_target): Ditto.
192 * tree-vect-stmts.c (vectorizable_function): Ditto.
193 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
194 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
197 2010-03-26 Joseph Myers <joseph@codesourcery.com>
200 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
201 nested binding iff it is a FUNCTION_DECL.
202 (store_parm_decls_newstyle): Pass nested=true to bind for
203 FUNCTION_DECLs amongst parameters.
205 2010-03-26 Jakub Jelinek <jakub@redhat.com>
207 * var-tracking.c (vt_expand_loc_callback): Don't run
208 cselib_expand_value_rtx_cb in dummy mode if
209 cselib_dummy_expand_value_rtx_cb returned false.
211 * var-tracking.c (emit_note_insn_var_location): For one part
212 notes with offset 0, don't add EXPR_LIST around the location.
213 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
214 add_location_or_const_value_attribute): Adjust for that change.
217 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
218 into first operand and location into second.
219 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
220 dw_cfi_oprnd_loc for DW_CFA_expression.
221 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
222 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
223 assume first argument is regnum and second argument is location.
225 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
228 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
229 of scratch register to DImode. Split to DImode comparison operator.
230 Use SImode subreg of scratch register in the multiplication.
231 (*cmp_sadd_sidi): Ditto.
232 (*cmp_ssub_si): Ditto.
233 (*cmp_ssub_sidi): Ditto.
235 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
238 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
239 Remove invalid assert and wrong comment.
241 2010-03-26 Jakub Jelinek <jakub@redhat.com>
244 * flags.h (final_insns_dump_p): New extern.
245 * final.c (final_insns_dump_p): New variable.
246 (rest_of_clean_state): Set it before -fdump-final-insns=
247 dumping, clear afterwards.
248 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
249 MEM_ALIAS_SET on MEMs.
251 2010-03-26 David S. Miller <davem@davemloft.net>
253 * configure.ac: Fix sparc GOTDATA_OP bug check.
254 * configure: Rebuild.
256 2010-03-26 Alan Modra <amodra@gmail.com>
258 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
260 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
262 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
263 TLS_SECTION_ASM_FLAG.
265 2010-03-25 Jakub Jelinek <jakub@redhat.com>
268 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
269 Clear first_function_block_is_cold.
272 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
273 argument if the argument is truth_value_p.
275 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
277 * config/rs6000/constraints.md: Update copyright year for my changes.
280 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
281 used in reg+reg addressing, swap registers.
283 2010-03-24 Jakub Jelinek <jakub@redhat.com>
286 * target.h (struct gcc_target): Add code_end hook.
287 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
289 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
290 * toplev.c (compile_file): Call targetm.asm_out.code_end
291 hook before unwind info/debug info output.
292 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
293 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
294 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
295 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
296 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
297 * config/i386/i386.c (ix86_file_end): Renamed to...
298 (ix86_code_end): ... this. Make static. Don't call
299 file_end_indicate_exec_stack. Emit unwind info using
300 final_start_function/final_end_function.
301 (darwin_x86_file_end): Remove.
302 (TARGET_ASM_CODE_END): Define.
303 * config/i386/i386.h (TARGET_ASM_FILE_END,
304 NEED_INDICATE_EXEC_STACK): Don't define.
305 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
306 (TARGET_ASM_FILE_END): Define to darwin_file_end.
307 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
308 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
311 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
312 at the beginning and final_end_function at the end.
313 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
315 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
317 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
318 and Sun as TLS syntax.
319 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
320 * configure: Regenerate.
321 * config.in: Regenerate.
322 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
323 (default_elf_asm_named_section): Use it.
324 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
325 (i386_output_dwarf_dtprel): Likewise.
326 (output_addr_const_extra): Likewise.
327 (output_pic_addr_const): Lowercase @GOTTPOFF.
328 (output_addr_const_extra): Likewise.
329 (output_pic_addr_const): Lowercase @GOTNTPOFF.
330 (output_addr_const_extra): Likewise.
331 (output_pic_addr_const): Lowercase @INDNTPOFF.
332 (output_addr_const_extra): Likewise.
333 (output_pic_addr_const): Lowercase @NTPOFF.
334 (output_addr_const_extra): Likewise.
335 (output_pic_addr_const): Lowercase @TPOFF.
336 (output_addr_const_extra): Likewise.
337 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
338 (*tls_global_dynamic_64): Likewise.
339 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
340 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
342 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
343 (ASM_OUTPUT_TLS_COMMON): Use it.
344 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
347 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
348 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
349 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
350 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
351 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
352 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
354 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
356 * config/i386/i386.c (override_options): Don't accept
357 -mtls-dialect=sun any longer.
358 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
359 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
360 (*tls_local_dynamic_base_32_sun): Likewise.
361 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
363 2010-03-24 Jakub Jelinek <jakub@redhat.com>
366 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
367 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
370 * ira.c (adjust_cleared_regs): New function.
371 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
375 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
377 * expr.c (expand_expr_real): Restore previous
378 curr_insn_source_location and curr_insn_block after
379 expand_expr_real_1 call.
380 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
381 instead of expand_expr_real_1.
383 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
385 PR rtl-optimization/43413
386 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
389 2010-03-22 James E. Wilson <wilson@codesourcery.com>
392 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
393 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
395 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
397 * config/i386/i386.c (ix86_target_string): Add -mfma.
398 Fix a typo in comment.
400 2010-03-22 Mike Stump <mikestump@comcast.net>
403 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
404 Don't overly align based upon packed packed fields.
406 2010-03-22 Jason Merrill <jason@redhat.com>
408 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
409 Use () rather than [], and move before the element type.
411 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
413 * doc/configfiles.texi (Configuration Files): Removed
414 fixinc/Makefile*, intl/Makefile.*.
415 * doc/makefile.texi: Fixed markup. Abstract from version
417 (Makefile): Removed obsolete gcc/java/parse.y example.
418 * doc/sourcebuild.texi: Likewise.
419 (Top Level): Added config, gnattools, libdecnumber, libgcc,
420 libgomp, libssp. Removed fastjar.
421 (Miscellaneous Docs): Clarify location.
422 Added COPYING3, COPYING3.LIB.
423 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
425 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
428 * config/i386/i386.c (x86_function_profiler)
429 [!NO_PROFILE_COUNTERS]: Fix typo.
430 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
433 2010-03-22 Janis Johnson <janis187@us.ibm.com>
434 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
436 * doc/sourcebuild.texi (Test Directives): Split into six
437 subsections, with most of the current text in new subsections
438 Directives, Selectors, and Final Actions.
439 (Directives): Split list of test directives into multiple
441 (Selectors): Describe use and syntax of selectors.
442 (Effective-Target Keywords): Describe all existing keywords.
443 (Add Options): Describe features for dg-add-options.
444 (Require Support): Describe variants of dg-require-support.
445 (Final Actions): Describe commands to use in dg-final.
447 2010-03-22 Michael Matz <matz@suse.de>
450 * recog.c (validate_replace_rtx_group): Replace also in
451 REG_EQUAL and REG_EQUIV notes.
453 2010-03-22 Richard Guenther <rguenther@suse.de>
455 PR tree-optimization/43390
456 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
457 sure vector extracts are type correct.
459 2010-03-22 Richard Guenther <rguenther@suse.de>
462 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
463 x * sqrt (x) even when optimizing for size if the target
464 has native support for sqrt.
466 2010-03-22 Jakub Jelinek <jakub@redhat.com>
468 * varasm.c (make_decl_rtl_for_debug): Also clear
469 flag_mudflap for the duration of make_decl_rtl call.
472 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
473 locs from preserved VALUEs.
475 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
478 * pa.md (movmemsi): Set align to one if zero.
479 (movmemdi): Likewise.
481 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
484 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
485 with their corresponding prologue pushes.
487 2010-03-20 Andrew Pinski <pinskia@gmail.com>
490 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
491 at the begining or end.
492 (spu_expand_epilogue): Likewise.
494 2010-03-20 Richard Guenther <rguenther@suse.de>
496 PR rtl-optimization/43438
497 * combine.c (make_extraction): Properly zero-/sign-extend an
498 extraction of the low part of a CONST_INT. Also handle
501 2010-03-19 Mike Stump <mikestump@comcast.net>
503 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
504 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
505 (override_options): Use SUBTARGET32_DEFAULT_CPU.
507 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
510 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
513 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
515 PR rtl-optimization/42258
516 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
517 use that may match DEF.
520 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
521 the cost of loading the constant rather than assuming
523 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
524 outer code is AND, do the same tests as the andsi3 expander and
525 return COSTS_N_INSNS (1) if and is cheap.
527 * optabs.c (avoid_expensive_constant): Fix formatting.
529 2010-03-19 Michael Matz <matz@suse.de>
532 * attribs.c (decl_attributes): When rebuilding a function pointer
533 type use the same qualifiers as the original pointer type.
535 2010-03-19 Martin Jambor <mjambor@suse.cz>
537 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
538 and is_gimple_ip_invariant_address.
540 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
543 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
545 * config/arm/arm.c (arm_override_options): Turn off
546 flag_dwarf2_cfi_asm for AAPCS variants.
548 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
551 * config/arm/arm.c (emit_multi_reg_push): Update comments.
552 Use PRE_MODIFY instead of PRE_DEC.
553 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
554 (vfp_emit_fstmd): Likewise.
556 2010-03-19 Michael Matz <matz@suse.de>
559 * builtins.c (expand_builtin_interclass_mathfn,
560 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
563 2010-03-19 Richard Guenther <rguenther@suse.de>
565 PR tree-optimization/43415
566 * tree-ssa-pre.c (phi_translate): Split out worker to ...
567 (phi_translate_1): ... this.
568 (phi_translate): Move all caching here. Cache all NARY
569 and REFERENCE translations.
571 2010-03-19 David S. Miller <davem@davemloft.net>
573 With help from Eric Botcazou.
574 * config/sparc/sparc.c: Include dwarf2out.h.
575 (emit_pic_helper): Delete.
576 (pic_helper_symbol_name): Delete.
577 (pic_helper_emitted_p): Delete.
578 (pic_helper_needed): New.
579 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
580 (get_pc_thunk_name): New.
581 (load_pic_register): Remove 'delay_pic_helper' arg. Use
582 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
583 Set pic_helper_needed to true. Don't call emit_pic_helper.
584 (sparc_expand_prologue): Update load_pic_register call.
585 (sparc_output_mi_thunk): Likewise.
586 (sparc_file_end): Emit a hidden comdat symbol for the PIC
587 thunk if possible. Output CFI information as needed.
589 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
590 Jack Howarth <howarth@bromo.med.uc.edu>
593 * config/i386/i386.h: Fix ABI on darwin x86-32.
595 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
597 * tree.h: Declare make_decl_rtl_for_debug.
598 * varasm.c (make_decl_rtl_for_debug): New.
599 * dwarf2out.c (rtl_for_decl_location): Call it.
600 * cfgexpand.c (expand_debug_expr): Call it.
602 2010-03-18 Jakub Jelinek <jakub@redhat.com>
605 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
609 * var-tracking.c (vt_init_cfa_base): Do nothing if
610 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
612 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
615 * var-tracking.c (canonicalize_vars_star): New.
616 (dataflow_post_merge_adjust): Use it.
618 2010-03-18 Jakub Jelinek <jakub@redhat.com>
621 * var-tracking.c (non_suitable_const): New function.
622 (add_uses): For DEBUG_INSNs with constants, don't record any
623 value, instead just the constant value itself.
624 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
625 is not VAR_LOC_UNKNOWN_P, set var to the constant.
626 (emit_notes_in_bb): Likewise.
627 (emit_note_insn_var_location): For onepart variables if
628 cur_loc is a VOIDmode constant, use DECL_MODE.
630 2010-03-18 Martin Jambor <mjambor@suse.cz>
633 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
634 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
635 all non-clones. Moved call redirection...
636 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
637 (cgraph_materialize_all_clones): Dispose of all
638 combined_args_to_skip bitmaps.
639 (verify_cgraph_node): Do not check for edges pointing to wrong
640 nodes in inline clones.
641 * tree-inline.c (copy_bb): Call
642 cgraph_redirect_edge_call_stmt_to_callee.
643 * ipa.c (cgraph_remove_unreachable_nodes): Call
644 cgraph_node_remove_callees even when there are used clones.
646 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
648 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
650 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
653 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
656 2010-03-18 Michael Matz <matz@suse.de>
659 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
660 into sqrt(x) if we need to preserve signed zeros.
662 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
663 Eric Botcazou <ebotcazou@adacore.com>
665 PR rtl-optimization/43360
666 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
667 note if we don't know its invariant status.
669 2010-03-18 Michael Matz <matz@suse.de>
671 PR tree-optimization/43402
672 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
673 PHI chains of ssa names registered for update.
675 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
678 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
679 non-offsettable and pre_modify update addressing.
680 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
681 and "2" alternatives "#".
682 (*movdd_softfloat32): Make all alternatives "#";
683 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
684 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
685 (*movdf_softfloat32): Make all alternatives "#";
686 (movdi): Use the new DIFD mode iterator to create a common splitter
687 for movdi, movdf and movdd patterns.
689 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
691 * common.opt (dumpdir): Remove redundant tab.
693 2010-03-17 Martin Jambor <mjambor@suse.cz>
695 PR tree-optimization/43347
696 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
697 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
699 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
701 PR rtl-optimization/42216
702 * regrename.c (create_new_chain): New function, broken out from...
703 (scan_rtx_reg): ... here. Call it. Handle the case where we are
704 appending a use to an empty chain.
705 (build_def_use): Remove previous changes that convert OP_INOUT to
706 OP_OUT operands; instead detect the case where an OP_INOUT operand
707 uses a previously untracked register and create an empty chain for it.
709 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
711 * doc/extend.texi (Function Attributes): Rewrite unfinished
712 sentence in ms_abi documentation.
714 2010-03-17 Alan Modra <amodra@gmail.com>
716 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
717 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
718 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
719 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
721 2010-03-16 Richard Henderson <rth@redhat.com>
724 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
725 (lower_try_finally): Save and restore eh_seq around the expansion
728 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
730 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
731 statements before splitting block.
733 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
735 * doc/sourcebuild.texi (Testsuites): Fix markup.
736 Use pathnames relative to gcc/testsuite.
737 (Test Directives): Move description of how timeout is determined.
738 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
739 (C Tests): Correct gcc.misc-tests directory.
740 Framework tests now live in gcc.test-framework.
742 2010-03-16 Richard Guenther <rguenther@suse.de>
745 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
746 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
748 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
749 Alexandre Oliva <aoliva@redhat.com>
751 PR tree-optimization/42917
752 * lambda-code.c (remove_iv): Skip debug statements.
753 (lambda_loopnest_to_gcc_loopnest): Likewise.
754 (not_interesting_stmt): Debug statements are not interesting.
756 2010-03-16 Jakub Jelinek <jakub@redhat.com>
760 * cselib.c (cselib_preserve_constants,
761 cfa_base_preserved_val): New static variables.
762 (preserve_only_constants): New function.
763 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
764 clear its REG_VALUES. If cselib_preserve_constants, don't
765 empty the whole hash table, but preserve there VALUEs with constants,
766 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
767 (cselib_preserve_cfa_base_value): New function.
768 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
769 (cselib_init): Change argument to int bitfield. Set
770 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
772 (cselib_finish): Clear cselib_preserve_constants and
773 cfa_base_preserved_val.
774 * cselib.h (enum cselib_record_what): New enum.
775 (cselib_init): Change argument to int.
776 (cselib_preserve_cfa_base_value): New prototype.
777 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
778 * dse.c (dse_step1): Likewise.
779 * cfgcleanup.c (thread_jump): Likewise.
780 * sched-deps.c (sched_analyze): Likewise.
781 * gcse.c (local_cprop_pass): Likewise.
782 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
783 If FN is non-NULL, call the callback always and whenever it returns
784 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
785 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
786 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
787 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
788 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
789 * var-tracking.c: Include recog.h.
790 (bb_stack_adjust_offset): Remove.
791 (vt_stack_adjustments): Don't call it, instead just gather the
792 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
793 (adjust_stack_reference): Remove.
794 (compute_cfa_pointer): New function.
795 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
796 (struct adjust_mem_data): New type.
797 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
799 (get_address_mode): New function.
800 (replace_expr_with_values): Use it.
801 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
802 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
803 (adjust_sets): Remove.
804 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
805 Use get_address_mode.
806 (get_adjusted_src): Remove.
807 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
808 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
809 (add_with_sets): Don't call adjust_sets.
810 (fp_setter, vt_init_cfa_base): New functions.
811 (vt_initialize): Change return type to bool. Move most of pool etc.
812 initialization to the beginning of the function from end. Pass
813 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
814 If !frame_pointer_needed, call vt_stack_adjustment before mos
815 vector is filled, call vt_init_cfa_base if argp/framep has been
816 eliminated to sp. If frame_pointer_needed and argp/framep has
817 been eliminated to hard frame pointer, set
818 hard_frame_pointer_adjustment and call vt_init_cfa_base after
819 encountering fp setter in the prologue. For MO_ADJUST, call
820 log_op_type before pusing the op into mos vector, not afterwards.
821 Call adjust_insn before cselib_process_insn/add_with_sets,
822 call cancel_changes (0) afterwards.
823 (variable_tracking_main_1): Adjust for vt_initialize calling
824 vt_stack_adjustments and returning whether it succeeded or not.
826 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
828 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
831 2010-03-15 Jakub Jelinek <jakub@redhat.com>
833 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
835 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
836 drap_reg has not been set.
838 2010-03-15 Michael Matz <matz@suse.de>
841 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
842 use it to expand block copies.
843 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
844 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
845 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
847 2010-03-15 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/43367
850 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
853 2010-03-15 Richard Guenther <rguenther@suse.de>
855 PR tree-optimization/43317
856 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
858 2010-03-15 Martin Jambor <mjambor@suse.cz>
860 PR tree-optimization/43141
861 * tree-sra.c (create_abstract_origin): New function.
862 (modify_function): Call create_abstract_origin.
864 2010-03-15 Chris Demetriou <cgd@google.com>
866 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
869 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
872 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
873 call insert_out_of_ssa_copy for default definitions.
875 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
877 * graphite-clast-to-gimple.c (my_long_long): Defined.
878 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
879 * graphite-sese-to-poly.c (my_long_long): Defined.
880 (scop_ivs_can_be_represented): Use it.
882 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
884 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
885 graphite-max-bbs-per-function, and loop-block-tile-size.
886 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
888 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
890 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
892 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
894 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
895 (add_upper_bounds_from_estimated_nit): New.
896 (build_loop_iteration_domains): Use it.
898 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
900 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
902 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
905 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
906 should be an INTEGER_CST. Also handle CASE_CONVERT.
908 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
910 * graphite.c (graphite_initialize): To bound the number of bbs per
911 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
912 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
913 * doc/invoke.texi: Document it.
915 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
917 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
918 * graphite-sese-to-poly.h (build_poly_scop): Same.
920 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
922 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
923 the number of parameters in the scop. Use as an upper bound
924 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
925 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
926 * doc/invoke.texi: Document it.
928 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
930 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
931 * doc/c-tree.texi: Remove.
932 * doc/generic.texi: Merge c-tree.texi here.
933 * doc/gccint.texi (Trees): Remove menu entry.
934 (c-tree.texi): Remove @include.
935 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
936 * doc/languages.texi (Reading RTL): Ditto.
938 2010-03-12 Steve Ellcey <sje@cup.hp.com>
941 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
943 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
946 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
947 code added to work around reload clobbering CONST insns.
949 2010-03-12 Jakub Jelinek <jakub@redhat.com>
951 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
952 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
953 (cselib_preserve_only_values): Remove retain argument, don't
954 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
955 * cselib.h (cselib_preserve_only_values): Remove retain argument.
956 * var-tracking.c (micro_operation): Move insn field before union.
957 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
958 (struct variable_tracking_info_def): Remove n_mos field, change
959 mos into a vector of micro_operations.
960 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
961 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
962 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
963 changing into a vector.
964 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
965 come before all other uops generated by add_stores.
966 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
968 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
969 a vector. Run just one pass over the bbs instead of separate counting
970 and computation phase.
971 (vt_finalize): Free VTI (bb)->mos vector instead of array.
974 * tree-inline.c (remap_decls): Put old_var rather than origin_var
975 into *nonlocalized_list vector.
976 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
977 even if origin is non-NULL.
978 (gen_variable_die): Likewise.
979 (process_scope_var): Don't change origin.
980 (gen_decl_die): Likewise.
981 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
982 before adding new edges instead of after it, fix moving over
985 2010-03-11 David S. Miller <davem@davemloft.net>
987 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
989 * configure: Rebuild.
991 2010-03-11 Martin Jambor <mjambor@suse.cz>
993 PR tree-optimization/43257
994 * tree.c (assign_assembler_name_if_neeeded): New function.
995 (free_lang_data_in_cgraph): Assembler name assignment moved to the
997 * tree.h (assign_assembler_name_if_neeeded): Declare.
998 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
999 the function if needed.
1001 2010-03-11 Chris Demetriou <cgd@google.com>
1003 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1004 include/stdint-gcc.h, and include/stdint.h world-readable.
1006 2010-03-11 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/43255
1009 * tree-vrp.c (process_assert_insertions_for): Do not insert
1010 asserts for trivial conditions.
1012 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1014 PR tree-optimization/43280
1015 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1016 generation. Move calculation of size out of the if branch.
1017 (find_bswap): Modify compare number generation.
1019 2010-03-11 Richard Guenther <rguenther@suse.de>
1022 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1023 (input_gimple_stmt): Fixup handled component types during
1024 operand read. Also fix up decls in ADDR_EXPRs.
1026 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1028 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1029 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1031 2010-03-10 Jan Hubicka <jh@suse.cz>
1034 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1035 * varasm.c (get_variable_section): Don't do that here...
1036 (make_decl_rtl): ... and here.
1037 (do_assemble_alias): Produce decl RTL.
1038 (assemble_alias): Likewise.
1040 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1043 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1044 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1046 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1047 (based_loc_descr): Only express drap or vdrap regno based expressions
1048 using DW_OP_fbreg when not optimizing.
1049 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1050 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1051 REG_CFA_SET_VDRAP note.
1053 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1055 PR tree-optimization/43236
1056 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1057 error in calculation of base address in reverse iteration case.
1058 (generate_builtin): Take number of latch executions if the statement
1061 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1064 * tree-eh.c: Include pointer-set.h.
1065 (lower_eh_dispatch): Filter out duplicate case labels and
1066 remove the unneeded edge when the label is unused. Return
1067 true when some edges are removed.
1068 (execute_lower_eh_dispatch): When any lowering resulted in
1069 removing an edge, also delete unreachable blocks.
1071 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1074 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1075 UNSPEC_MACHOPIC_OFFSET.
1077 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1080 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1081 (m68k_delegitimize_address): New function.
1083 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1086 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1089 * var-tracking.c (adjust_sets): New function.
1090 (count_with_sets, add_with_sets): Use it.
1091 (get_adjusted_src): New inline function.
1092 (add_stores): Use it.
1095 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
1096 call cselib_dummy_expand_value_rtx_cb instead of
1097 cselib_expand_value_rtx_cb.
1100 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
1101 * config/i386/i386.c: Include debug.h and dwarf2out.h.
1102 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
1103 and .cfi_endproc around the pic thunks.
1104 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
1105 all queued unwind info register saves are saved before the call.
1106 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
1107 considered as sp-=4 for unwind info and the pop as sp+=4 which
1108 also clobbers dest, but doesn't actually restore it.
1111 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
1112 RTX_FRAME_RELATED_P.
1114 2010-03-09 Jie Zhang <jie@codesourcery.com>
1116 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
1117 whitespaces in output template.
1119 2010-03-09 Jie Zhang <jie@codesourcery.com>
1121 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
1124 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1126 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
1127 builtins.exp in a separate job.
1129 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1131 * graphite-sese-to-poly.c (add_param_constraints): Use
1132 lower_bound_in_type and upper_bound_in_type.
1134 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1136 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1137 instead of unsigned_type_node.
1139 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1140 Reza Yazdani <reza.yazdani@amd.com>
1143 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1144 on pointer type parameters.
1146 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1150 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1151 handle conversions from pointer to integers.
1152 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1153 induction variable, to be able to work with code generated by CLooG.
1154 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1155 (build_poly_scop): Bail out if we cannot codegen a loop.
1157 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1159 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1160 code generation with gloog_error.
1162 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1164 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1165 Call fold_convert on all the returned values.
1166 (expand_scalar_variables_expr): Pass to
1167 expand_scalar_variables_ssa_name the type of the resulting expression.
1169 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1171 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1172 ppl_min_for_le_pointset.
1173 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1174 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1176 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1178 * graphite-dependences.c (map_into_dep_poly): Removed.
1179 (dependence_polyhedron_1): Use combine_context_id_scat.
1181 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1183 * graphite-poly.h (struct poly_scattering): Add layout documentation.
1184 (struct poly_bb): Same.
1185 (combine_context_id_scat): New.
1187 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1190 * sese.c (name_defined_in_loop_p): Return false for default
1193 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1195 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1196 and clean up the logic.
1198 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1200 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1203 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1205 * var-tracking.c (remove_cselib_value_chains): Define only for
1207 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1208 delete_slot_part, emit_notes_for_differences_1): Don't call
1209 remove_cselib_value_chains here.
1210 (set_slot_part, emit_notes_for_differences_2): Don't call
1211 add_cselib_value_chains here.
1212 (preserved_values): New vector.
1213 (preserve_value): New function.
1214 (add_uses, add_stores, vt_add_function_parameters): Use it
1215 instead of cselib_preserve_value.
1216 (changed_values_stack): New vector.
1217 (check_changed_vars_0): New function.
1218 (check_changed_vars_1, check_changed_vars_2): Use it.
1219 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1220 changed_values_stack VALUEs.
1221 (vt_emit_notes): For all preserved_values call
1222 add_cselib_value_chains. If ENABLE_CHECKING call
1223 remove_cselib_value_chains before verifying value_chains is empty.
1224 Initialize and free changed_values_stack.
1225 (vt_initialize): Initialize preserved_values.
1226 (vt_finalize): Free preserved_values.
1228 2010-03-08 Richard Guenther <rguenther@suse.de>
1230 PR tree-optimization/43269
1231 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1234 2010-03-08 Martin Jambor <mjambor@suse.cz>
1236 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1237 (ipa_is_param_called): Removed.
1238 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1239 (ipa_print_node_params): Do not print the called flag.
1240 (ipa_write_node_info): Do not stream the called flag.
1241 (ipa_read_node_info): Likewise.
1243 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1246 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1247 * cselib.c (struct expand_value_data): Add dummy field.
1248 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1250 (cselib_dummy_expand_value_rtx_cb): New function.
1251 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1253 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1254 * var-tracking.c: Include pointer-set.h.
1255 (variable): Change n_var_parts to char from int. Add
1256 cur_loc_changed and in_changed_variables fields.
1257 (variable_canonicalize): Remove.
1258 (shared_var_p): New inline function.
1259 (unshare_variable): Maintain cur_loc_changed and
1260 in_changed_variables fields. If var was in changed_variables,
1261 replace it there with new_var. Just copy cur_loc instead of
1262 resetting it to something else.
1263 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1264 (dataflow_set_union): Don't call variable_canonicalize.
1265 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1266 of their DEBUG_EXPR_TREE_DECLs.
1267 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1268 and in_changed_variables and cur_loc_changed is false.
1269 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1270 and cur_loc_changed. Don't update cur_loc here.
1271 (variable_merge_over_src): Don't call variable_canonicalize.
1272 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1273 removing loc that is equal to cur_loc, clear cur_loc,
1274 set cur_loc_changed and ensure variable_was_changed is called.
1275 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1276 compare pointers in cur_loc check, if it is equal to loc,
1277 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1278 (variable_different_p): Remove compare_current_location argument,
1279 don't compare cur_loc.
1280 (dataflow_set_different_1): Adjust variable_different_p caller.
1281 (variable_was_changed): If dv had some var in changed_variables
1282 already, reset in_changed_variables flag for it and propagate
1283 cur_loc_changed over to the new variable. On empty var
1284 always set cur_loc_changed. Set in_changed_variables on whatever
1285 var is added to changed_variables.
1286 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1287 Use shared_var_p. When removing loc that is equal to cur_loc,
1288 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1289 end, don't set it to something else, just call variable_was_changed.
1290 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1291 loc being removed, clear cur_loc and set cur_loc_changed.
1292 Set cur_loc_changed if all locations have been removed.
1293 (struct expand_loc_callback_data): New type.
1294 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1295 allocated. Always create SUBREGs if simplify_subreg failed.
1296 Prefer to use cur_loc, when that fails and still in
1297 changed_variables (and seen first time) recompute it. Set
1298 cur_loc_changed of variables which had to change cur_loc and
1299 compute elcd->cur_loc_changed if any of the subexpressions used
1300 had to change cur_loc.
1301 (vt_expand_loc): Adjust to pass arguments in
1302 expand_loc_callback_data structure.
1303 (vt_expand_loc_dummy): New function.
1304 (emitted_notes): New variable.
1305 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1306 that weren't used for any other decl in current
1307 emit_notes_for_changes call call vt_expand_loc_dummy to update
1308 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1309 first loc_chain location if NULL before. Always use just
1310 cur_loc instead of first loc_chain location. When cur_loc_changed
1311 is false, when not --enable-checking=rtl just don't emit any note.
1312 When rtl checking, compute the note and assert it is the same
1313 as previous note. Clear cur_loc_changed and in_changed_variables
1314 at the end before removing from changed_variables.
1315 (check_changed_vars_3): New function.
1316 (emit_notes_for_changes): Traverse changed_vars to call
1317 check_changed_vars_3 on each changed var.
1318 (emit_notes_for_differences_1): Clear cur_loc_changed and
1319 in_changed_variables. Recompute cur_loc of new_var.
1320 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1321 (vt_emit_notes): Initialize and destroy emitted_notes.
1323 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1325 PR rtl-optimization/42220
1326 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1327 Use verify_reg_tracked to determine if we should use OP_OUT rather
1329 (build_def_use): If we see an in-out operand for a register that we
1330 know nothing about, treat is an output if possible, fail the block if
1333 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1336 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1339 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1342 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1343 uses of relevant DEFs that are dead outside the loop too.
1345 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1347 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1349 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1351 * var-tracking.c (values_to_unmark): New variable.
1352 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1353 values_to_unmark vector. Moved body to...
1354 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1355 instead queue it into values_to_unmark vector.
1356 (vt_find_locations): Free values_to_unmark vector.
1358 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1360 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1361 (site.exp): Export them when plugins are enabled.
1363 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1366 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1368 (chrec_fold_multiply): Same.
1370 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1373 * c-decl.c (build_compound_literal): Return early if init is
1376 2010-03-04 Martin Jambor <mjambor@suse.cz>
1378 PR tree-optimization/43164
1379 PR tree-optimization/43191
1380 * tree-sra.c (type_consists_of_records_p): Reject records with
1381 zero-size bit-fields at the end.
1383 2010-03-04 Mike Stump <mikestump@comcast.net>
1385 * Makefile.in (TAGS): Remove *.y.
1387 2010-03-04 Richard Guenther <rguenther@suse.de>
1389 PR tree-optimization/40761
1390 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1392 (my_rev_post_order_compute): New function.
1393 (init_pre): Call it.
1395 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1398 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1399 decrease the cost of an IV candidate when the cost is infinite.
1401 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1403 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1404 Use '3DNow!' for the extension of that name, ensure normal space
1406 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1408 2010-03-03 Jeff Law <law@redhat.com>
1410 * PR middle-end/32693
1411 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1412 than gen_rtx_SUBREG.
1413 (extract_bit_field_1): Likewise.
1415 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1417 * doc/sourcebuild.texi (Test directives): Document that arguments
1418 include-opts and exclude-opts are now optional for dg-skip-if,
1419 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1421 2010-03-03 Jason Merrill <jason@redhat.com>
1424 * cgraph.h (varpool_node): Add extra_name field.
1425 * varpool.c (varpool_extra_name_alias): New.
1426 (varpool_assemble_decl): Emit extra name aliases.
1427 (varpool_mark_needed_node): Look past an extra name alias.
1428 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1429 * lto-streamer-in.c (lto_input_tree): Read it.
1430 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1432 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1434 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1435 (sparc*-*-solaris2*): ...this.
1437 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1440 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1441 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1442 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1443 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1446 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1447 fallthrough to default handling, just with want_address 0 instead of 2.
1448 For single element lists, add_AT_loc directly, otherwise create an
1449 artificial variable DIE and stick location list to it.
1452 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1453 (VAL_EXPR_HAS_REVERSE): Define.
1454 (reverse_op): New function.
1455 (add_stores): For reversible operations add an extra MO_VAL_USE.
1457 2010-03-02 Jason Merrill <jason@redhat.com>
1459 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1461 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1463 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1464 (sparc64-*-linux*): Likewise.
1465 (sparc64-*-solaris2*): Include assembler files before linker ones.
1466 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1467 * config/sparc/gas.h: Delete.
1468 * config/sparc/sol2-64.h: Add copyright notice.
1469 * config/sparc/sol2-gas-bi.h: Likewise.
1470 * config/sparc/sol2-gld.h: Likewise.
1471 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1472 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1473 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1474 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1475 (sparc_elf_asm_named_section): Rename into...
1476 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1478 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1480 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1482 2010-03-02 Jeff Law <law@redhat.com>
1485 * reload1.c (rtx_p, substitute_stack): Declare.
1486 (substitute): Record addresses of changed rtxs.
1487 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1488 Restore the original rtx when complete.
1489 (reload): Free subsitute_stack when complete.
1491 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1493 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1494 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1496 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1497 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1498 Torture Tests): Change from subsection to section.
1500 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1501 Steven Bosscher <steven@gcc.gnu.org>
1503 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1506 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1509 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1510 the assignment from the new induction variable to the assignment
1511 of the value from the original loop PHI function.
1513 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1514 Daniel Jacobowitz <dan@codesourcery.com>
1516 * doc/sourcebuild.texi (Test directives): Clarify options to
1519 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1521 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1522 Disable cfi directives unless GCC and gas agree on using read-only
1523 .eh_frame sections for 64-bit.
1524 * configure: Regenerate.
1526 2010-03-01 Richard Guenther <rguenther@suse.de>
1528 PR tree-optimization/43220
1529 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1530 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1532 2010-03-01 Richard Guenther <rguenther@suse.de>
1533 Martin Jambor <mjambor@suse.cz>
1536 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1537 gimplified parameters.
1539 2010-03-01 Christian Bruel <christian.bruel@st.com>
1541 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1543 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1545 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1547 2010-03-01 Richard Guenther <rguenther@suse.de>
1550 * expr.c (expand_assignment): Use the alias-oracle to tell
1551 if the rhs aliases the result decl.
1553 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1556 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1557 to sol_gt_pch_get_address.
1558 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1559 64-bit, SPARC and x86.
1560 (sol_gt_pch_get_address): New function.
1562 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1564 * toplev.h (inform_n, error_n): Declare.
1565 * diagnostic.c (inform_n, error_n): New function.
1567 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1569 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1570 has no rtl yet when processing local_decls, queue it and recheck
1571 if deferred stack allocation hasn't assigned it rtl.
1573 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1575 * config/sh/sh.c (unspec_bbr_uid): New.
1576 (gen_block_redirect): Use it instead of INSN_UID.
1577 (gen_far_branch): Likewise.
1579 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1581 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1582 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1584 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1586 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1587 (Warning Options): -Wno-conversion-null is valid for
1588 Objective-C++ as well.
1589 * doc/tm.texi (Named Address Spaces): Likewise.
1590 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1591 * doc/tree-ssa.texi (Tree SSA): Likewise.
1593 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1596 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1597 by default. Don't set the default arch for
1598 i[34567]86-*-darwin*|x86_64-*-darwin*.
1600 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1603 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1604 default. Set the default 32bit/64bit archs with $with_arch
1605 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1607 2010-02-27 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/43186
1610 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1611 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1612 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1613 unroller iterations.
1615 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1617 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1618 required and i[34567]86-*-* targets don't support 64bit ISA.
1620 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1623 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1626 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1628 * config.gcc: Set the default arch at least to Prescott for
1629 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1630 if SSE math is enabled.
1632 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1634 * diagnostic.c (diagnostic_initialize): Update.
1635 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1637 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1638 (diagnostic_inhibit_notes): New.
1639 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1641 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1644 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1645 * doc/standards.texi: Likewise.
1646 * doc/extend.texi: Likewise.
1647 * doc/trouble.texi: Likewise.
1648 * doc/cppopts.texi: Likewise.
1649 * doc/install.texi: Likewise.
1650 * c.opt (std=c90,std=gnu90): New options.
1651 * c-opts.c (c_common_handle_option): Handle them.
1653 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1656 * c-decl.c (undeclared_variable): Use an informative note.
1658 2010-02-26 Richard Guenther <rguenther@suse.de>
1660 PR tree-optimization/43186
1661 * gimple.h (gimple_fold): Remove.
1662 * gimple.c (gimple_fold): Remove. Inline into single user ...
1663 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1664 Try harder for conditions.
1666 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1669 * function.c (used_types_insert): Don't skip through named pointer
1670 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1671 and it is different from the main variant's type.
1673 2010-02-26 Nick Clifton <nickc@redhat.com>
1675 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1677 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1679 * config.gcc: Support --with-fpmath=sse for x86.
1681 * config/i386/ssemath.h: New.
1683 * doc/install.texi (--with-fpmath=sse): Documented.
1685 2010-02-26 Richard Guenther <rguenther@suse.de>
1687 PR tree-optimization/43188
1688 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1689 vector types of over-aligned element type.
1691 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1694 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1695 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1697 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1699 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1701 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1703 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1704 * var-tracking.c: Include diagnostic.h.
1705 (debug_dv): New function.
1706 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1709 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1710 (add_value_chain, add_value_chains, remove_value_chain,
1711 remove_value_chains): Handle DEBUG_EXPRs.
1712 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1715 * regcprop.c (struct queued_debug_insn_change): New type.
1716 (struct value_data_entry): Add debug_insn_changes field.
1717 (struct value_data): Add n_debug_insn_changes field.
1718 (debug_insn_changes_pool): New variable.
1719 (free_debug_insn_changes, apply_debug_insn_changes,
1720 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1721 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1722 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1724 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1726 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1727 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1728 changes, call cprop_find_used_regs via note_stores.
1729 (copyprop_hardreg_forward): When copying vd from predecessor
1730 which has any queued DEBUG_INSN changes, make sure the pointers are
1731 cleared. At the end call df_analyze and then if there are any
1732 DEBUG_INSN changes queued at the end of some basic block for still
1733 live registers, apply them.
1734 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1736 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1738 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1741 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1743 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1744 targets. Set the default with_cpu/with_arch from arch/cpu.
1745 Allow x86-64 and native for with_cpu/with_arch.
1747 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1749 * ebitmap.c: Change calls to verify_popcount with calls to
1750 sbitmap_verify_popcount.
1751 (ebitmap_clear_bit): Fixed map->cacheindex test and
1752 map>cache update when bit clearing results in an empty
1755 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1758 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1759 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1760 and support both V2DF and V2DI modes.
1761 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1762 support both V2DF and V2DI modes.
1763 (general): Delete trailing whitespace from a few patterns.
1765 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1766 V2DF/V2DI interleave high/low builtins.
1768 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1771 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1772 interleave high/low functions.
1774 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1776 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1777 #pragma extern_prefix.
1779 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1782 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1783 BLKmode, assert op0 is a MEM and just adjust its mode.
1786 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1787 if bitpos isn't multiple of mode's bitsize.
1789 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1791 * c.opt (-ftemplate-depth=): New.
1792 (-ftemplate-depth-): Deprecate.
1793 * optc-gen.awk: Handle -ftemplate-depth=.
1794 * opth-gen.awk: Likewise.
1795 * c-opts.c (c_common_handle_option): Likewise.
1796 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1798 2010-02-24 Jason Merrill <jason@redhat.com>
1800 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1802 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1804 * cfg.c (alloc_aux_for_block): Remove inline.
1805 (alloc_aux_for_edge): Likewise.
1807 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1809 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1811 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1813 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1814 * config/i386/sol2-gas.h: New file.
1815 * config.gcc (i[34567]86-*-solaris2*): Use it.
1817 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1820 * c-typeck.c (ep_convert_and_check): New.
1821 (build_conditional_expr): Use it.
1822 (build_binary_op): Likewise.
1824 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1826 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1829 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1830 bounds even for -O+.
1831 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1832 expr needs to have DECL_NAME set.
1834 2010-02-24 Nick Clifton <nickc@redhat.com>
1836 * config/mep/mep.c: Include gimple.h.
1837 (mep_function_uses_sp): Delete unused function.
1838 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1839 parameters. Use unsigned integers to count args. Return a
1840 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1842 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1845 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1846 greater or equal to nelt instead of 2 * nelt.
1847 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1850 2010-02-23 Jason Merrill <jason@redhat.com>
1853 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1854 in cfun->local_decls even if they have register types.
1857 * stor-layout.c (place_field): Don't warn about unnecessary
1858 DECL_PACKED if the type is packed.
1860 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1863 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1864 GOTOFF relocs, even when the base reg isn't pic pointer.
1866 2010-02-23 Michael Matz <matz@suse.de>
1869 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1870 (expand_gimple_basic_block): Generate and use debug temps if there
1871 are debug uses left after the last real use of TERed ssa names.
1872 Unlink debug immediate uses when they are expanded.
1874 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1877 * config/i386/i386.c (override_options): Reorganise to provide
1878 better error messages.
1880 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1883 * graphite-scop-detection.c (create_single_exit_edge): Move
1884 the call to find_single_exit_edge to....
1885 (create_sese_edges): ...here. Don't handle multiple edges
1886 exiting the function.
1887 (build_graphite_scops): Don't handle multiple edges
1888 exiting the function.
1890 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1893 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1894 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1896 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1899 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1901 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1904 * c-typeck.c (convert_arguments): Print declaration location.
1905 * c-common.c (validate_nargs): Rename as
1906 builtin_function_validate_nargs.
1907 (check_builtin_function_arguments): Update.
1909 2010-02-22 Richard Guenther <rguenther@suse.de>
1912 * tree-inline.c (declare_return_variable): Use the type of
1913 the call stmt lhs if available.
1915 2010-02-22 Duncan Sands <baldrick@free.fr>
1917 * passes.c (register_pass): Always consider all pass lists when
1918 ref_pass_instance_number is zero.
1920 2010-02-22 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/42749
1923 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1924 parameter. Do arithmetic in the original type.
1925 (update_accumulator_with_ops): Likewise.
1926 (adjust_accumulator_values): Adjust.
1928 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1930 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1931 (QI to BLKmode splitter): New splitter.
1933 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1935 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1936 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1938 2010-02-22 Richard Guenther <rguenther@suse.de>
1940 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1942 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1944 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1945 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1946 ($(T)crti.o, $(T)crtn.o): Remove rules.
1948 2010-02-21 Tobias Burnus <burnus@net-b.de>
1951 * doc/invoke.texi (-fassociative-math): Document that this
1952 option is automatically enabled for Fortran.
1954 2010-02-20 David S. Miller <davem@davemloft.net>
1956 * configure.ac: Test if linker and assembler properly support
1957 GOTDATA_OP relocations.
1958 * configure: Rebuild.
1959 * config.in: Likewise.
1960 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1961 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1962 (movsi_high_pic): Likewise.
1963 (movdi_lo_sum_pic): Likewise.
1964 (movdi_high_pic): Likewise.
1965 (movsi_pic_gotdata_op): New pattern.
1966 (movdi_pic_gotdata_op): Likewise.
1967 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1968 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1970 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1973 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1974 attribute to ssemul.
1975 (xop_mulv2div2di3_high): Ditto.
1977 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1980 * c.opt (Wconversion-null): New option.
1981 * doc/invoke.texi (Wconversion-null): Document.
1983 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1985 * common.opt (Wlarger-than-): Add Undocumented.
1987 2010-02-19 Mike Stump <mikestump@comcast.net>
1989 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1991 2010-02-19 Jason Merrill <jason@redhat.com>
1994 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1995 * configure: Likewise.
1997 2010-02-20 Alan Modra <amodra@gmail.com>
2000 * cgraph.h (cgraph_make_decl_local): Declare.
2001 * cgraph.c (cgraph_make_decl_local): New function.
2002 (cgraph_make_node_local): Use it.
2003 * cgraphunit.c (cgraph_function_versioning): Likewise.
2004 * ipa.c (function_and_variable_visibility): Likewise.
2006 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2009 * except.c (sjlj_emit_function_enter): Don't call
2010 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2012 * rtl.h (add_reg_br_prob_note): Remove prototype.
2014 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2017 * c-common.c (conversion_warning): Remove widening conversions
2018 before checking the conversion of integers to reals.
2020 2010-02-19 Mike Stump <mikestump@comcast.net>
2023 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2026 * cgraphunit.c (process_function_and_variable_attributes): Check
2027 DECL_PRESERVE_P instead of looking up attribute "used".
2028 * ipa-pure-const.c (check_decl): Likewise.
2029 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2030 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2031 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2032 instead of attribute "used".
2033 * config/sol2-c.c (solaris_pragma_init): Likewise.
2034 (solaris_pragma_fini): Likewise.
2036 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2038 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2039 Use XCNEW instead of xcalloc.
2040 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2041 XNEW instead of xmalloc.
2042 (get_fields): Use XNEWVEC instead of xmalloc.
2045 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2046 populate vars array.
2047 (create_new_general_access): For debug stmts just reset value.
2048 (get_stmt_accesses): For accesses within debug stmts just record them
2049 using add_access_to_acc_sites instead of preventing the peeling or
2050 counting them as accesses.
2053 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2055 2010-02-19 Richard Guenther <rguenther@suse.de>
2057 PR tree-optimization/42916
2058 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2061 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2063 * configure.ac: Replace all uses of changequote in macro arguments
2064 with proper quoting.
2066 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2069 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2071 2010-02-19 Richard Guenther <rguenther@suse.de>
2073 PR tree-optimization/42944
2074 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2075 test for aliasing with errno.
2077 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2080 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2081 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2082 * dojump.c: Include output.h.
2083 (inv): New inline function.
2084 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2085 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2086 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2087 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2088 argument, pass it down to other calls.
2089 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2090 add REG_BR_PROB note to the conditional jump.
2091 * cfgexpand.c (add_reg_br_prob_note): Removed.
2092 (expand_gimple_cond): Don't call it, add the probability
2093 as last argument to jumpif_1/jumpifnot_1.
2094 * Makefile.in (dojump.o): Depend on output.h.
2095 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
2097 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
2098 * stmt.c (do_jump_if_equal): Likewise.
2099 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
2100 * loop-unswitch.c (compare_and_jump_seq): Likewise.
2101 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
2103 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
2104 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
2105 jumpifnot_1 callers.
2106 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
2108 (store_expr): Adjust jumpifnot caller.
2109 (store_constructor): Adjust jumpif caller.
2112 * gimplify.c (gimple_boolify): For __builtin_expect call
2113 gimple_boolify also on its first argument.
2115 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
2117 * configure.ac (gnu-unique-object): Wrap regexps using [] in
2119 (__stack_chk_fail): Ditto. Remove quadrigraphs.
2120 * configure: Regenerated.
2122 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2124 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
2125 lang_hooks.types_compatible_p instead of comptypes.
2127 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
2129 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
2130 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
2131 if __prefer_thumb__ is defined.
2133 2010-02-18 Martin Jambor <mjambor@suse.cz>
2135 PR tree-optimization/43066
2136 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
2137 array with zero-sized element type.
2139 2010-02-18 Jakub Jelinek <jakub@redhat.com>
2141 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
2142 rtx, allocate struct var_loc_node here and return it to the
2143 caller, and only if it is actually needed.
2144 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
2145 move it earlier and return immediately if it returns NULL.
2147 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
2149 * config/sparc/gas.h: New file. Restore
2150 TARGET_ASM_NAMED_SECTION to its ELF default.
2151 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
2153 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2154 Likewise. Add ATTRIBUTE_UNUSED to prototype.
2155 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
2156 after sparc/sysv4.h.
2158 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
2160 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
2162 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
2164 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
2165 patterns from predicated pattern.
2167 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
2170 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
2171 for insn mnemonic suffix.
2173 2010-02-17 Richard Guenther <rguenther@suse.de>
2175 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
2178 2010-02-17 Jakub Jelinek <jakub@redhat.com>
2181 * caller-save.c (save_call_clobbered_regs): If BB ends with
2182 a DEBUG_INSN, move any notes in between last real insn and the last
2183 DEBUG_INSN after the last DEBUG_INSN.
2185 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
2187 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
2188 Fix return type. Fix argument type. Explain meaning of return value.
2190 2010-02-16 Richard Guenther <rguenther@suse.de>
2192 PR tree-optimization/41043
2193 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
2194 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
2196 (vrp_visit_phi_node): ... but only for loop PHI nodes.
2198 2010-02-16 Ira Rosen <irar@il.ibm.com>
2200 PR tree-optimization/43074
2201 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
2202 * tree-vect-loop.c (vect_analyze_loop_operations): Add
2203 vectorizable cycles in hybrid SLP check.
2204 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
2206 2010-02-16 Richard Guenther <rguenther@suse.de>
2208 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2209 (true_dependence): If memrefs_conflict_p computes must-alias
2210 trust it. Move TBAA check after offset-based disambiguation.
2211 (canon_true_dependence): Likewise.
2213 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2215 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2216 * doc/invoke.texi: Document it.
2217 * var-tracking.c: Include toplev.h and params.h.
2218 (vt_find_locations): Return bool indicating success. Compute
2219 hash sizes unconditionally. Check new parameter, report.
2220 (variable_tracking_main_1): Check vt_find_locations results and
2221 retry. Renamed from...
2222 (variable_tracking_main): ... this. New wrapper to preserve
2223 flag_var_tracking_assignments.
2224 * Makefile.in (var-tracking.o): Adjust dependencies.
2226 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2227 Jakub Jelinek <jakub@redhat.com>
2230 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2231 if weak_import attribute is present.
2232 * config/darwin.c (machopic_select_section): Likewise.
2234 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2236 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2237 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2238 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2239 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2241 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
2244 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2247 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2248 Rewrite text to refer to the names.
2250 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2252 * config/i386/i386-builtin-types.def
2253 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2254 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2255 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2256 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2257 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2258 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2259 IX86_BUILTIN_VPERMIL2PS256.
2260 (MULTI_ARG_4_DF2_DI_I): Defined.
2261 (MULTI_ARG_4_DF2_DI_I1): Defined.
2262 (MULTI_ARG_4_SF2_SI_I): Defined.
2263 (MULTI_ARG_4_SF2_SI_I1): Defined.
2264 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2265 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2266 __builtin_ia32_vpermil2ps256.
2267 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2268 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2269 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2270 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2271 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2272 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2273 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2274 CODE_FOR_xop_vpermil2v8sf3.
2275 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2276 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2277 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2278 (_mm256_permute2_pd): New.
2279 (_mm_permute2_ps): New.
2280 (_mm256_permute2_ps): New.
2282 2010-02-15 Nick Clifton <nickc@redhat.com>
2284 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
2285 boolean parameters. Use emit_jump_insn when emitting a pop
2286 instruction containing a return insn.
2287 (push): Use 'true' rather than '1' as second parameter to F.
2288 (h8300_expand_prologue): Likewise.
2289 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2290 (h8300_expand_epilogue): Likewise.
2292 2010-02-15 Richard Guenther <rguenther@suse.de>
2295 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2298 2010-02-15 Nick Clifton <nickc@redhat.com>
2300 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2303 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2305 * intl.c (fake_ngettext): New function.
2306 * intl.h (fake_ngettext): Declare.
2307 (ngettext): Define macro.
2308 * collect2.c (notice_translated): New function.
2309 (main): Use notice_translated and ngettext.
2310 * collect2.h (notice_translated): Declare.
2312 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2314 * reorg.c (delete_computation): Comment fixes.
2315 * caller-save.c (setup_save_areas): Idem.
2316 * sel-sched-dump.c (dump_lv_set): Idem.
2319 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2321 * config/s390/s390.c (s390_sched_init): New function.
2322 (TARGET_SCHED_INIT): Target hook defined.
2324 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2325 Jack Howarth <howarth@bromo.med.uc.edu>
2326 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2329 Partial revert of unintended change in fix for PR41605.
2330 * config/darwin.h: Fix typo.
2331 * config/darwin9.h: Same.
2333 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2335 * c-pch.c (pch_init): Clear v.
2337 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2340 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2341 graphite_can_represent_init for MULT_EXPR.
2343 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2347 * graphite-sese-to-poly.c (remove_phi): New.
2348 (translate_scalar_reduction_to_array): Call remove_phi.
2350 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2353 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2354 * graphite-clast-to-gimple.h (gloog): Update declaration.
2355 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2356 * graphite-poly.h (struct poly_bb): Add missing comments.
2357 (struct scop): Add poly_scop_p field.
2359 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2360 * graphite.c (graphite_transform_loops): Build the polyhedral
2361 representation for each scop before code generation.
2362 * sese.c (rename_variables_in_operand): Removed.
2363 (rename_variables_in_expr): Return the renamed expression.
2364 (rename_sese_parameters): New.
2365 * sese.h (rename_sese_parameters): Declared.
2367 2010-02-11 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/42998
2370 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2371 POINTER_PLUS_EXPR properly.
2373 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2374 Changpeng Fang <changpeng.fang@amd.com>
2377 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2378 the cost of an IV candidate when the IV is used in a test against zero.
2380 * gcc.dg/tree-ssa/ivopts-3.c: New.
2382 2010-02-11 Richard Guenther <rguenther@suse.de>
2385 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2386 pointer-vs-decl case by swapping refs. Handle some cases
2387 of pointer-vs-decl disambiguations more conservatively.
2388 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2389 to false after expanding.
2391 2010-02-11 Richard Guenther <rguenther@suse.de>
2394 * gcc.c (process_command): Handle LTO file@offset case more
2397 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2399 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2400 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2402 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2404 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2405 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2406 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2407 Optimize eq/ne comparisons when both arguments are known to be
2409 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2410 Don't mask operands unnecessarily if they are known to be already
2413 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2415 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2418 2010-02-10 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/43017
2421 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2422 for wrapping signed arithmetic.
2424 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2427 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2428 if no debug info should be emitted for it.
2430 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2432 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2433 note when flag_exceptions is set.
2435 2010-02-10 Duncan Sands <baldrick@free.fr>
2437 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2439 2010-02-10 Richard Guenther <rguenther@suse.de>
2442 * tree.c (get_unwidened): Handle constants.
2443 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2445 2010-02-10 Martin Jambor <mjambor@suse.cz>
2448 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2449 check for variable argument counts independently.
2451 2010-02-10 Christian Bruel <christian.bruel@st.com>
2454 * config/sh/sh.c (find_barrier): Increase length for non delayed
2455 conditional branches.
2457 2010-02-10 Christian Bruel <christian.bruel@st.com>
2459 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2461 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2463 * builtins.c (set_builtin_user_assembler_name): Also handle
2464 ffs if int is smaller than word.
2466 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2469 * ira-conflicts.c (get_dup): Remove.
2470 (process_reg_shuffles): Add new parameter. Use it as an
2471 additional guard for copy generation.
2472 (add_insn_allocno_copies): Rewrite.
2474 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2476 * common.opt (fsched2-use-traces): Preserved for backward
2478 * doc/invoke.texi: Remove the documentation about option
2479 -fsched2-use-traces.
2480 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2481 flag_sched2_use_traces.
2482 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2483 the backward compatibility flag section.
2485 2010-02-09 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/43008
2488 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2489 make HEAP variables initialized from global memory if they
2490 are not known builtin functions.
2491 (find_func_aliases): Adjust.
2493 2010-02-09 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/43000
2496 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2497 arithmetic manually.
2499 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2501 PR tree-optimization/42931
2502 * tree-loop-linear.c (try_interchange_loops): Don't call
2503 double_int_mul if estimated_loop_iterations failed.
2505 2010-02-08 Martin Jambor <mjambor@suse.cz>
2508 * tree-sra.c (build_accesses_from_assign): Do not mark in
2509 should_scalarize_away_bitmap if stmt has volatile ops.
2510 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2513 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2515 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2517 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2519 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2522 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2525 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2527 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2530 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2531 to unknown_dependence.
2532 (graphite_legal_transform_dr): Handle the unknown_dependence.
2533 (graphite_carried_dependence_level_k): Same.
2535 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2537 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2539 2010-02-07 Richard Guenther <rguenther@suse.de>
2542 * expr.c (get_inner_reference): Always initialize *pbitsize.
2544 2010-02-07 Richard Guenther <rguenther@suse.de>
2547 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2548 new ARRAY_REFs on variable size element or minimal index arrays.
2550 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2551 gimple_fold_indirect_ref.
2553 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2556 * arm.c (arm_override_options): Just return if the user has specified
2557 an invalid fpu name.
2559 2010-02-03 Jason Merrill <jason@redhat.com>
2562 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2563 i386_pe_maybe_record_exported_symbol.
2565 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2568 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2569 (pa_delegitimize_address): New function.
2571 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2573 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2574 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2576 2010-02-05 Richard Guenther <rguenther@suse.de>
2579 * lto-streamer-in.c (get_resolution): Deal with references
2580 to undefined functions.
2582 2010-02-05 Richard Guenther <rguenther@suse.de>
2584 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2585 (fold_const_aggregate_ref): Likewise.
2586 (ccp_fold_stmt): Substitute loads.
2587 (maybe_fold_reference): Verify types before substituting.
2589 (fold_gimple_assign): Unshare properly.
2590 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2592 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2594 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2595 for rs6000_gen_cell_microcode.
2597 2010-02-04 Richard Guenther <rguenther@suse.de>
2599 PR rtl-optimization/42952
2600 * dse.c (const_or_frame_p): Remove MEM handling.
2602 2010-02-04 Nick Clifton <nickc@redhat.com>
2604 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2605 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2606 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2607 (mn10300_asm_output_mi_thunk): New function.
2608 (mn10300_can_output_mu_thunk): New function.
2609 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2610 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2611 (FUNCTION_ARG): Delete incorrect comment.
2613 2010-02-03 Jason Merrill <jason@redhat.com>
2616 * fold-const.c (operand_equal_p): Handle erroneous types.
2618 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2620 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2622 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2624 PR rtl-optimization/42941
2625 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2628 2010-02-03 Jason Merrill <jason@redhat.com>
2631 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2633 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2636 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2637 (cselib_reset_table): Renamed from...
2638 (cselib_reset_table_with_next_value): ... this.
2639 (cselib_get_next_uid): Renamed from...
2640 (cselib_get_next_unknown_value): ... this.
2641 * cselib.c (next_uid): Renamed from...
2642 (next_unknown_value): ... this.
2643 (cselib_clear_table): Adjust.
2644 (cselib_reset_table): Adjust. Renamed from...
2645 (cselib_reset_table_with_next_value): ... this.
2646 (cselib_get_next_uid): Adjust. Renamed from...
2647 (cselib_get_next_unknown_value): ... this.
2648 (get_value_hash): Use hash.
2649 (cselib_hash_rtx): Likewise.
2650 (new_cselib_val): Adjust. Set and dump uid.
2651 (cselib_lookup_mem): Pass next_uid as hash.
2652 (cselib_subst_to_values): Likewise.
2653 (cselib_log_lookup): Dump uid.
2654 (cselib_lookup): Pass next_uid as hash. Adjust.
2655 (cselib_process_insn): Adjust.
2656 (cselib_init): Initialize next_uid.
2657 (cselib_finish): Adjust.
2658 (dump_cselib_table): Likewise.
2659 * dse.c (canon_address): Dump value uid.
2660 * print-rtl.c (print_rtx): Print value uid.
2661 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2663 (dv_uid): New function, sort of renamed from...
2664 (dv_htab_hash): ... this, reimplemented in terms of it and...
2665 (dv_uid2hash): ... this. New.
2666 (variable_htab_eq): Drop excess assertions.
2667 (tie_break_pointers): Removed.
2668 (canon_value_cmp): Compare uids.
2669 (variable_post_merge_New_vals): Print uids.
2670 (vt_add_function_parameters): Adjust.
2671 (vt_initialize): Reset table. Adjust.
2673 2010-02-03 Richard Guenther <rguenther@suse.de>
2675 PR tree-optimization/42944
2676 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2677 (call_may_clobber_ref_p_1): Likewise. Properly handle
2678 malloc and calloc clobbering errno.
2680 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2682 * doc/invoke.texi: Fix name of sched1 dump.
2684 * opts.c (decode_options): Set flag_tree_switch_conversion
2685 only conditionally on optimize >= 2.
2687 * gcse.c: Assorted comment fixes in pass description.
2689 2010-02-03 Anthony Green <green@moxielogic.com>
2691 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2692 nop padding in order to maintain alignment of storage location of
2693 target function address.
2694 (moxie_trampoline_init): Store target function address at newly
2696 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2698 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2700 2010-02-03 Richard Guenther <rguenther@suse.de>
2703 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2705 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2707 * config.gcc: Reenable check for obsolete targets.
2708 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2709 mips-sgi-irix6.[0-4]*.
2711 2010-02-02 Nick Clifton <nickc@redhat.com>
2713 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2714 constant size of 4 as being the same as 0.
2715 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2716 can take values in the range 0..4.
2718 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2721 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2722 as _darwin10_Unwind_FindEnclosingFunction().
2723 * libgcc-libsystem.ver: New.
2725 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2728 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2729 implicitly set registers.
2731 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2733 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2734 (arm_override_options): Allow automatic selection of the thread
2735 pointer register if thumb2.
2736 (legitimize_pic_address): Improve code sequences for Thumb2.
2737 (arm_call_tls_get_addr): Likewise.
2738 (legitimize_tls_address): Likewise.
2739 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2740 (pic_load_addr_32bit): ... this. New named pattern.
2741 * thumb2.md (pic_load_addr_thumb2): Delete.
2742 (pic_load_dot_plus_four): Delete.
2743 (tls_load_dot_plus_four): New named pattern.
2745 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2748 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2749 Document fix for TLS bug.
2751 2010-01-31 Richard Guenther <rguenther@suse.de>
2753 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2754 conservatively correct.
2756 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2760 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2762 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2764 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2768 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2770 * config.gcc: Adjust order of makefile fragments for mingw targets.
2772 2010-01-31 Richard Guenther <rguenther@suse.de>
2775 * gimplify.c (gimplify_init_constructor): For volatile LHS
2776 initialize a temporary.
2778 2010-01-31 Matthias Klose <doko@ubuntu.com>
2780 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2782 * configure: Regenerate.
2784 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2786 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2787 the same alias set and their sizes different constantness.
2788 (aliasing_component_refs_p): Revert 2009-10-24 change.
2790 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2792 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2795 2010-01-29 Richard Guenther <rguenther@suse.de>
2797 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2798 Assert we successfully updated the call.
2800 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2802 PR rtl-optimization/42889
2803 * df.h (df_set_bb_dirty_nonlr): New prototype.
2804 * df-core.c (df_set_bb_dirty_nonlr): New function.
2805 * df-scan.c (df_insn_rescan): Call it instead of
2806 df_set_bb_dirty for DEBUG_INSNs.
2808 2010-01-29 Richard Guenther <rguenther@suse.de>
2811 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2812 quadratic behavior in most cases.
2814 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2817 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2818 in the call to gen_x86_movsicc_0_m1.
2820 2010-01-28 Richard Guenther <rguenther@suse.de>
2822 PR tree-optimization/42871
2823 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2825 2010-01-28 Richard Guenther <rguenther@suse.de>
2827 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2828 into call arguments.
2830 2010-01-28 Richard Guenther <rguenther@suse.de>
2833 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2834 the forwarder if the destination is an EH landing pad.
2836 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2838 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2839 block list passed to gimple_duplicate_sese_tail.
2840 (parallelize_loops): Avoid parallelization when the function
2842 Avoid parallelization when the preheader is IRREDUCIBLE.
2843 Try to optimize when estimated_loop_iterations_int is unresolved.
2844 Add the loop's location to the dump file.
2845 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2846 (gimple_duplicate_sese_tail): Remove the check for the latch.
2847 Redirect nexits to the exit block.
2848 Remove handling of the incoming edges to the latch.
2849 Redirect the backedge from the copied latch to the exit bb.
2851 2010-01-28 Michael Matz <matz@suse.de>
2854 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2855 Wrap force_reg into a sequence, emit it before user.
2857 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2859 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2861 (arm_legacy_rev): Likewise.
2862 (thumb_legacy_rev): Likewise.
2864 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2866 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2867 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2868 on MEM's address failed, try avoid_constant_pool_reference and
2869 recurse if it returned something different.
2870 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2871 address, try avoid_constant_pool_reference and recurse if it
2872 returned something different.
2873 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2874 address and avoid_constant_pool_reference returned something
2875 different, don't set have_address.
2877 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2880 * var-tracking.c (val_store): Add modified argument, obey it.
2882 (count_uses): Move down logging of main.
2883 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2884 don't need resolution.
2885 (emit_notes_in_bb): Likewise.
2887 2010-01-27 Richard Guenther <rguenther@suse.de>
2890 * tree-inline.c (remap_decl): Delay remapping of SSA name
2891 default definitions until we need them.
2893 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2895 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2896 (rs6000_delegitimize_address): New function.
2898 * config/s390/s390.c (s390_delegitimize_address): Call
2899 delegitimize_mem_from_attrs.
2902 * tree-inline.c (cannot_copy_type_1): Removed.
2903 (copy_forbidden): Don't forbid copying of functions containing
2904 records/unions with variable length fields.
2906 2010-01-27 Christian Bruel <christian.bruel@st.com>
2910 * config/sh/sh.c (find_barrier): Increase length for non delayed
2911 conditional branches.
2913 2010-01-27 Matthias Klose <doko@ubuntu.com>
2915 * configure.ac (gnu-unique-object): Fix ldd version check.
2916 * configure: Regenerate.
2918 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2920 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2922 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2923 Test for HAVE_GNU_AS value.
2925 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2927 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2928 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2929 INT64_TYPE): Define.
2930 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2931 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2932 INT_LEAST64_TYPE): Define.
2933 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2934 UINT_LEAST64_TYPE): Define.
2935 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2936 INT_FAST64_TYPE): Define.
2937 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2938 UINT_FAST64_TYPE): Define.
2939 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2940 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2941 (SIG_ATOMIC_TYPE): Define.
2943 2010-01-26 Richard Guenther <rguenther@suse.de>
2945 * df-scan.c (df_scan_set_bb_info): Remove assert.
2946 (df_insn_rescan_debug_internal): Merge asserts.
2947 (df_install_ref): Likewise.
2948 (df_mark_reg): Use bitmap_set_range.
2949 (df_hard_reg_used_p): Remove assert.
2950 (df_hard_reg_used_count): Likewise.
2952 2010-01-26 Richard Guenther <rguenther@suse.de>
2954 PR rtl-optimization/42685
2955 * web.c (web_main): Ignore DEBUG_INSNs.
2957 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2959 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2961 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2962 Fix types of fndecl and arglist parameters.
2964 2010-01-26 Richard Guenther <rguenther@suse.de>
2967 * tree-eh.c (unsplit_eh): Skip debug insns.
2969 2010-01-26 Richard Guenther <rguenther@suse.de>
2971 PR tree-optimization/42250
2972 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2974 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2977 * omp-low.c (expand_omp_sections): Only use single_pred if
2978 l2_bb is single_pred_p.
2980 2010-01-25 Christian Bruel <christian.bruel@st.com>
2983 * config/sh/sh.c (find_barrier): Increase length for non delayed
2984 conditional branches.
2985 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2987 2010-01-24 David S. Miller <davem@davemloft.net>
2989 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2990 define if not using GAS.
2991 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2992 Likewise. Delete SECTION_MERGE code, which is only applicable
2995 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2998 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2999 mangling of va_list in system headers.
3001 2010-01-23 Toon Moene <toon@moene.org>
3003 * tree-predcom.c (combine_chains): Return NULL, not false.
3005 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
3007 * tree-loop-distribution.c (distribute_loop): Fix declaration and
3008 initialization of variable res to agree with return type.
3010 2010-01-22 Steve Ellcey <sje@cup.hp.com>
3012 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
3013 * tree-sra.c: Add include of expr.h.
3015 2010-01-22 Jakub Jelinek <jakub@redhat.com>
3017 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
3018 insert the debug stmt on the single non-EH edge from the stmt.
3020 2010-01-22 Richard Henderson <rth@redhat.com>
3023 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
3024 the RHS until after generate_subtree_copies has insertted its
3025 code before the current statement.
3027 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
3029 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
3031 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
3033 2010-01-21 Martin Jambor <mjambor@suse.cz>
3035 PR tree-optimization/42585
3036 * tree-sra.c (struct access): New field grp_total_scalarization.
3037 (dump_access): Dump the new field.
3038 (should_scalarize_away_bitmap): New variable.
3039 (cannot_scalarize_away_bitmap): Likewise.
3040 (sra_initialize): Allocate new bitmaps.
3041 (sra_deinitialize): Free new bitmaps.
3042 (create_access_1): New function.
3043 (create_access): Parts moved to create_access_1.
3044 (type_consists_of_records_p): New function.
3045 (completely_scalarize_record): Likewise.
3046 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
3047 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
3048 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
3050 (analyze_all_variable_accesses): Completely scalarize small eligible
3053 2010-01-21 Martin Jambor <mjambor@suse.cz>
3055 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
3057 2010-01-21 Andrew Haley <aph@redhat.com>
3059 * gcc.c (process_command): Move lang_specific_driver before
3060 setting cc_libexec_prefix.
3062 2010-01-21 Richard Guenther <rguenther@suse.de>
3065 * fold-const.c (negate_expr_p): Pretend only negative
3066 real constants are easily negatable.
3068 2010-01-20 Janis Johnson <janis187@us.ibm.com>
3069 Jason Merrill <jason@redhat.com>
3071 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
3072 (TYPE_TRANSPARENT_AGGR): this, for union and record.
3073 * calls.c (initialize argument_information): Handle it.
3074 * c-common.c (handle_transparent_union_attribute): Use new name.
3075 * c-decl.c (finish_struct): Ditto.
3076 * c-typeck.c (type_lists_compatible_p): Ditto.
3077 (convert_for_assignment): Use new name and also handle record.
3078 * function.c (aggregate_value_p): Handle it.
3079 (pass_by_reference): Ditto.
3080 (assign_parm_data_types): Ditto.
3081 * print-tree.c (print_node): Ditto.
3082 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
3083 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
3084 * tree.c (first_field): New fn.
3086 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3089 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
3090 even when linking statically, for now.
3092 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3095 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
3096 without a cselib val.
3097 (count_uses): Accept MO_VAL_SET with no val on stores.
3098 (add_stores): Likewise.
3100 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3102 * var-tracking.c (check_value_val): Add a compile time assertion.
3103 (dv_is_decl_p): Simplify.
3104 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
3105 gcc_assert if ENABLE_CHECKING.
3107 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3110 * var-tracking.c: Include tree-flow.h.
3111 (mem_dies_at_call): New.
3112 (dataflow_set_preserve_mem_locs): Use it.
3113 (dataflow_set_remove_mem_locs): Likewise.
3114 (dump_var): Renamed from dump_variable. Adjust all callers.
3115 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
3116 * Makefile.in (var-tracking.o): Adjust deps.
3118 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
3120 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
3122 2010-01-20 Richard Guenther <rguenther@suse.de>
3124 PR tree-optimization/42717
3125 * tree-ssa-dce.c (get_live_post_dom): Remove.
3126 (forward_edge_to_pdom): Take an arbitrary edge to copy
3127 degenerate PHI args from.
3128 (remove_dead_stmt): Use the first post-dominator even if it
3129 does not contain live statements as redirection destination.
3131 2010-01-20 Richard Guenther <rguenther@suse.de>
3133 * tree-inline.c (estimate_num_insns): Handle EH builtins.
3135 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3137 * sel-sched.c (create_speculation_check): Remove set but not used
3139 (try_transformation_cache): Remove set but not used variable ds.
3140 (calculate_privileged_insns): Remove set but not used variables
3141 cur_insn and min_spec_insn.
3142 (find_best_expr): Remove set but not used variable avail_n.
3143 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
3145 * cgraphunit.c (assemble_thunk): Remove set but not used variable
3147 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
3148 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
3151 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
3154 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
3155 cpu types. Add support for *-sse3 cpu types.
3156 (x86_64-*-*): Ditto.
3158 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3161 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
3162 argument, call initializer_constant_valid_p_1 instead of
3163 initializer_constant_valid_p, pass CACHE to it, return NULL
3164 immediately if first call returns NULL.
3165 (initializer_constant_valid_p_1): New function.
3166 (initializer_constant_valid_p): Use it.
3168 2010-01-20 Thomas Quinot <quinot@adacore.com>
3170 * tree.def (PLACEHOLDER_EXPR): Fix comment.
3172 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3174 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
3175 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
3176 (loc_list_from_tree): Don't handle unsigned division. Handle
3177 signed modulo using DW_OP_{over,over,div,mul,minus}.
3178 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
3179 modulo instead of signed.
3181 2010-01-20 DJ Delorie <dj@redhat.com>
3183 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
3185 (h8300_emit_stack_adjustment): Propogate it.
3187 (h8300_expand_prologue): Likewise.
3188 (h8300_expand_epilogue): Likewise.
3190 2010-01-19 Michael Matz <matz@suse.de>
3192 PR tree-optimization/41783
3193 * tree-data-ref.c (toplevel): Include flags.h.
3194 (dump_data_dependence_relation): Also dump the inputs if the
3195 result will be unknown.
3196 (split_constant_offset_1): Look through some conversions.
3197 * tree-predcom.c (determine_roots_comp): Restart a new chain if
3198 the offset from last element is too large.
3199 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
3200 (reassociate_to_the_same_stmt): Handle vector registers.
3201 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
3203 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
3204 wide_prolog_niters argument, emit widening instructions.
3205 (vect_do_peeling_for_alignment): Adjust caller, use widened
3206 variant of the iteration cound.
3207 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3209 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3212 * config/arm/neon-testgen.m (emit_automatics): New parameter
3213 features. Adjust for Fixed_return_reg feature.
3214 (test_intrinsic): Call emit_automatics with new feature.
3215 * config/arm/neon.ml: Update copyright years.
3216 (features): New Fixed_return_reg feature.
3217 (ops): Update feature for Vget_low.
3219 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3221 PR tree-optimization/42719
3222 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3226 * fwprop.c (all_uses_available_at): Return false if def_set dest
3227 is a REG that is used in def_insn.
3229 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3231 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3233 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3236 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3238 * target.h (struct gcc_target) <secondary_reload>: Change type
3239 of last argument to secondary_reload_info *.
3241 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3244 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3245 memory references with unaligned offsets. Remove CQImode handling.
3246 (unaligned_memory_operand): Return 1 for memory references with
3247 unaligned offsets. Remove CQImode handling.
3249 2010-01-18 Richard Guenther <rguenther@suse.de>
3252 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3255 2010-01-18 Richard Guenther <rguenther@suse.de>
3257 PR tree-optimization/42781
3258 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3259 restrict processing only if the original variable was artificial.
3261 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3263 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3264 find number of popped argument bytes.
3266 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3267 Fix the text that describes the return value for invalid insns.
3269 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3271 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3272 Clarify what 'cost of the -dependence' is. Fix quoting.
3274 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3275 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3277 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3279 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3280 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3282 2010-01-17 Richard Guenther <rguenther@suse.de>
3285 * function.c (split_complex_args): Take a VEC to modify.
3286 (assign_parms_augmented_arg_list): Build a VEC instead of
3287 a chain of PARM_DECLs.
3288 (assign_parms_unsplit_complex): Take a VEC of arguments.
3289 Do not fixup unmodified parms.
3290 (assign_parms): Deal with the VEC.
3291 (gimplify_parameters): Likewise.
3293 2010-01-17 Richard Guenther <rguenther@suse.de>
3295 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3296 node existence check.
3297 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3298 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3299 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3300 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3301 (gimple_execute_on_growing_pred): Likewise.
3303 2010-01-17 Richard Guenther <rguenther@suse.de>
3305 PR tree-optimization/42773
3306 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3307 (compute_antic_aux): Likewise.
3308 (compute_partial_antic_aux): Likewise.
3310 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3313 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3316 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3318 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3321 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3322 Fix markup for strict argument.
3324 (TARGET_SCHED_REORDER2): Fix argument types.
3326 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3327 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3329 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3330 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3332 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3335 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3336 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3337 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3338 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3339 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3341 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3343 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3345 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3346 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3348 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3350 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3353 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3355 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3356 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3358 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3360 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3362 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3363 referring to it. Fix language.
3365 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3367 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3369 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3371 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3373 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3374 '@var{stream}. Remove stray 'and'.
3376 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3378 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3380 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3382 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3383 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3385 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3386 Fix description of return value.
3387 Rename argument "sz" to "len."
3389 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3390 Clarify meaning of 'true' return value.
3392 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3394 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3395 rep_mode versus mode_rep.
3397 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3399 (TARGET_BUILTIN_DECL): Fix name.
3401 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3403 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3405 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3407 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3409 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3411 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3414 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3415 Rename argument tm_fn to md_fn.
3417 (TARGET_OPTION_PRINT): Fix argument list.
3419 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3422 * config/i386/i386.c (ix86_fixup_binary_operands):
3423 Revert FMA4 fixup of operands.
3425 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3428 * Makefile.in (write_entries_to_file, install-plugin):
3429 Use \012 instead of \n with tr.
3431 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3433 * configure.ac (HAVE_AS_REF): New C macro.
3434 * configure: Regenerate.
3435 * config.in: Likewise.
3436 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3438 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3441 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3443 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3445 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3447 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3449 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3451 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3453 (TARGET_BINDS_LOCAL_P): Fix argument type.
3455 (TARGET_ASM_FILE_END): Use prototype.
3457 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3459 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3461 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3463 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3465 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3466 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3468 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3469 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3471 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3472 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3473 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3474 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3476 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3478 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3480 (TARGET_INIT_BUILTINS): Use prototype.
3482 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3483 Put 'const char *' in braces. Fix parameter types.
3484 (TARGET_INVALID_CONVERSION): Fix parameter types.
3485 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3486 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3488 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3491 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3493 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3495 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3497 * doc/tm.texi (TARGET_HELP): Fix return type.
3499 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3500 in braces. Fix argument types.
3502 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3504 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3506 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3508 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3509 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3511 (TARGET_MANGLE_TYPE): Fix argument types.
3513 (TARGET_IRA_COVER_CLASSES): Use prototype.
3515 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3517 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3519 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3521 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3523 (TARGET_CALLEE_COPIES): Fix argument types.
3525 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3527 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3529 (TARGET_FUNCTION_VALUE): Fix argument types.
3531 (TARGET_RETURN_IN_MSB): Fix argument type.
3533 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3535 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3537 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3539 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3540 agree with return type.
3542 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3544 2010-01-15 Jing Yu <jingyu@google.com>
3546 PR rtl-optimization/42691
3547 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3548 a pseudo to a constant and are merged, and adjust comments.
3550 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3552 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3554 2010-01-15 Richard Guenther <rguenther@suse.de>
3557 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3558 labels of computed or non-local gotos to the destination.
3559 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3560 landing pad label is the first label.
3562 2010-01-15 Richard Guenther <rguenther@suse.de>
3564 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3566 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3569 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3570 to allow generation of the xssqrtdp instruction on power7.
3571 (sqrtdf2_fpr): Ditto.
3573 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3576 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3577 functions with noreturn attribute.
3580 * varasm.c (declare_weak): Add weak attribute to decl if it
3581 doesn't have one already.
3582 (assemble_external): Only add decls to weak_decls if they also
3583 have weak attribute.
3585 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3587 * var-tracking.c (var_reg_delete): Don't delete the association
3588 between REGs and values or one-part variables if the register
3591 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3594 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3595 because its first operand is a non-localized variable.
3597 2010-01-14 Martin Jambor <mjambor@suse.cz>
3599 PR tree-optimization/42706
3600 * tree-sra.c (encountered_recursive_call): New variable.
3601 (encountered_unchangable_recursive_call): Likewise.
3602 (sra_initialize): Initialize both new variables.
3603 (callsite_has_enough_arguments_p): New function.
3604 (scan_function): Call decl and flags check only for IPA-SRA, check
3605 whether there is a recursive call and whether it has enough arguments.
3606 (all_callers_have_enough_arguments_p): New function.
3607 (convert_callers): Look for recursive calls only when
3608 encountered_recursive_call is set.
3609 (ipa_early_sra): Bail out either if
3610 !all_callers_have_enough_arguments_p or
3611 encountered_unchangable_recursive_call.
3613 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3615 * sel-sched.c: Add 2010 to copyright years.
3616 * sel-sched-ir.c: Likewise.
3617 * sel-sched-ir.h: Likewise.
3619 2010-01-14 Martin Jambor <mjambor@suse.cz>
3621 PR tree-optimization/42714
3622 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3623 constructors specially.
3625 2010-01-14 Andi Kleen <ak@linux.intel.com>
3627 * config/i386/drivers-i386.c (detect_caches_intel):
3628 Add l2sizekb parameter and fill in.
3629 (host_detect_local_cpu): Add l2sizekb, fill in.
3630 Add Atom small cache heuristic.
3632 2010-01-14 Andi Kleen <ak@linux.intel.com>
3634 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3635 Add level3 parameter and fill in.
3636 (detect_caches_intel): Handle level3 cache.
3638 2010-01-14 Andi Kleen <ak@linux.intel.com>
3640 * config/i386/drivers-i386.c (host_detect_local_cpu):
3641 Fix core duo detection.
3643 2010-01-14 Andi Kleen <ak@linux.intel.com>
3645 * config/i386/drivers-i386.c (host_detect_local_cpu):
3648 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3650 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3651 (rs6000_variable_issue_1): this. Use...
3652 (rs6000_variable_issue): here. Reimplement. Print debug info.
3654 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3656 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3657 sel_restore_notes. Update all callers. Call reemit_notes
3660 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3662 PR rtl-optimization/42246
3663 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3666 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3668 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3669 all successors is the same as number of successors in current region.
3671 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3673 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3674 to rename is not separable. Otherwise check that its LHS is not NULL.
3676 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3678 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3680 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3682 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3683 available registers when failed to discover LHS register class.
3684 Fix indentation. Update comment.
3686 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3687 Alexander Monakov <amonakov@ispras.ru>
3689 PR rtl-optimization/42389
3690 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3692 (advance_state_on_fence): Likewise.
3693 (sel_target_adjust_priority): Print debug output only when
3694 sched_verbose >= 4, not 2.
3695 (get_expr_cost): Do not issue all unique insns on the next cycle.
3696 (fill_insns): Initialize can_issue_more from the value saved
3698 * sel-sched-ir.c (flist_add): New parameter issue_more.
3699 Init FENCE_ISSUE_MORE with it.
3700 (merge_fences): Likewise.
3701 (init_fences): Update call to flist_add.
3702 (add_to_fences, add_clean_fence_to_fences)
3703 (add_dirty_fence_to_fences): Likewise.
3704 (move_fence_to_fences): Update call to merge_fences.
3705 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3707 * sel-sched-ir.h (struct _fence): New field issue_more.
3708 (FENCE_ISSUE_MORE): New accessor macro.
3710 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3712 PR rtl-optimization/42388
3713 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3714 that have no predecessors nor successors. Do not call move_bb_info
3715 for empty blocks outside of current region.
3717 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3719 PR rtl-optimization/42294
3720 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3721 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3722 originators' originators.
3724 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3726 PR rtl-optimization/39453
3727 PR rtl-optimization/42246
3728 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3730 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3732 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3733 Alexander Monakov <amonakov@ispras.ru>
3736 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3737 (maybe_tidy_empty_bb): ... here. Make static. Add new
3738 argument. Update all callers.
3739 (tidy_control_flow): ... and here. Recompute topological order
3740 of basic blocks in region if necessary.
3741 (sel_redirect_edge_and_branch): Change return type. Return true
3742 if topological order might have been invalidated.
3743 (purge_empty_blocks): Export and move from...
3744 * sel-sched.c (purge_empty_blocks): ... here.
3745 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3746 (maybe_tidy_empty_bb): Delete prototype.
3747 (purge_empty_blocks): Declare.
3749 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3751 PR rtl-optimization/42249
3752 * sel-sched.c (try_replace_dest_reg): When chosen register
3753 and original register is the same, do not bail out early, but
3754 still check all original insns for validity of replacing destination
3755 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3758 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3761 Port from no-undefined-overflow branch:
3762 2009-03-09 Richard Guenther <rguenther@suse.de>
3764 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3766 2010-01-14 Richard Guenther <rguenther@suse.de>
3769 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3771 2010-01-14 Ira Rosen <irar@il.ibm.com>
3773 PR tree-optimization/42709
3774 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3775 as scalar type in creation of constant vector operand.
3777 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3780 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3781 (check-parallel-%): Match `testsuite' directory component only
3784 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3786 PR translation/39521
3787 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3790 2010-01-13 Richard Guenther <rguenther@suse.de>
3792 PR tree-optimization/42730
3793 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3796 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3799 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3800 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3803 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3805 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3806 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3807 ___umulsi3_highpart.
3809 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3810 rather than schedule_insns if the pass is enabled.
3812 2010-01-13 Martin Jambor <mjambor@suse.cz>
3814 PR tree-optimization/42704
3815 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3818 2010-01-13 Martin Jambor <mjambor@suse.cz>
3820 PR tree-optimization/42703
3821 * tree-sra.c (analyze_access_subtree): Check that we can build a
3822 reference to the original data within the aggregate.
3824 2010-01-13 Richard Guenther <rguenther@suse.de>
3826 PR tree-optimization/42705
3827 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3829 2010-01-13 Richard Guenther <rguenther@suse.de>
3832 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3834 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3837 * var-tracking.c (values_to_unmark): New variable.
3838 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3839 values_to_unmark vector. Moved body to...
3840 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3841 instead queue it into values_to_unmark vector.
3842 (vt_find_locations): Free values_to_unmark vector.
3844 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3846 * config/s390/s390.c (override_options): Set
3847 default of max-pending-list-length to 256
3849 2010-01-13 Richard Guenther <rguenther@suse.de>
3852 * tree-pass.h (PROP_gimple_lcx): New.
3853 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3854 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3855 before the final cleanup_eh.
3856 (dump_properties): Dump PROP_gimple_lcx.
3857 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3858 (tree_lower_complex_O0): Remove.
3859 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3860 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3861 tree_lower_complex, schedule TODO_update_ssa.
3862 * lto-streamer-out.c (output_function): Stream the functions
3864 * lto-streamer-in.c (input_function): Likewise.
3865 (lto_read_body): Do not override them here.
3867 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3870 * c-typeck.c (build_c_cast): Fold value cast to union type before
3871 wrapping it in a CONSTRUCTOR.
3873 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3875 PR rtl-optimization/42699
3876 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3879 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3881 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3882 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3883 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3884 SUBTARGET_WARN_UNUSED_SPEC): ... here
3885 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3887 2010-01-12 Julian Brown <julian@codesourcery.com>
3889 * config/arm/neon-schedgen.ml (Utils): Don't try to
3890 open missing module.
3891 (find_with_result): New.
3893 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3896 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3897 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3899 PR tree-optimization/42645
3900 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3901 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3902 decl_map, set processing_debug_stmt to -1 and return name without
3905 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3907 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3908 binutils version, and reword target configuration description.
3910 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3912 * config/avr/avr.h (LINKER_NAME): Remove.
3914 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3917 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3918 that support VSX, warn for -mno-altivec if vsx is not disabled,
3921 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3922 Shujing Zhao <pearly.zhao@oracle.com>
3924 PR translation/42469
3925 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3926 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3927 character between option name and help text.
3928 * c.opt (imultilib): Likewise.
3930 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3932 * lto-streamer-out.c (output_unreferenced_globals): Output static
3935 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3937 PR rtl-optimization/42621
3938 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3939 optimizing for size.
3940 (duplicate_computed_gotos): Remove now-redundant check.
3942 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3945 * configure.ac: Save and restore LDFLAGS and LIBS
3946 * configure: Regenerate.
3948 2010-01-10 Richard Guenther <rguenther@suse.de>
3951 * builtins.c (fold_builtin_strlen): Add type argument and
3952 convert the resulting length to it.
3953 (fold_builtin_1): Adjust.
3955 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3957 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3958 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3960 (num_insns_constant_wide): Adjust for that change.
3962 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3965 * web.c (union_defs): Add used argument, to combine uses of
3967 (entry_register): Adjust type and tests of used argument.
3968 (web_main): Widen used for new use. Pass it to union_defs.
3969 * df.h (union_defs): Adjust prototype.
3971 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3974 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3975 uses in new incoming argument. Free body.
3976 (reset_debug_uses_in_loop): New.
3977 (analyze_insn_to_expand_var): Call the latter if the former found
3978 anything. Fix whitespace. Reject invalid dest overlaps before
3979 going through all insns in the loop.
3981 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3984 * haifa-sched.c (dying_use_p): Debug insns don't count.
3986 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3989 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3990 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3991 (verify_gimple_call): Reject LHS in noreturn calls.
3993 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3997 * tree-vect-loop-manip.c (adjust_info): New type.
3998 (adjust_vec): New pointer to vector.
3999 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
4000 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
4001 (slpeel_update_phis_for_duplicate_loop): Use them.
4002 (slpeel_update_phi_nodes_for_guard1): Likewise.
4003 (slpeel_update_phi_nodes_for_guard2): Likewise.
4004 (slpeel_tree_peel_loop_to_edge): Likewise.
4005 (vect_update_ivs_after_vectorizer): Likewise.
4007 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4009 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
4010 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
4012 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4014 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
4015 bogus uninitialized warning.
4017 2010-01-09 Richard Guenther <rguenther@suse.de>
4020 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
4021 the evolution is compatible with the initial condition.
4023 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4025 * gcc.c (process_command): Update copyright notice dates.
4026 * gcov.c (print_version): Likewise.
4027 * gcov-dump.c (print_version): Likewise.
4028 * mips-tfile.c (main): Likewise.
4029 * mips-tdump.c (main): Likewise.
4031 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4034 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
4036 (rotlhi3_8): Delete.
4038 (rotlsi3_8): Delete.
4039 (rotlsi3_16): Delete.
4040 (rotlsi3_24): Delete.
4042 (*rotw<mode>3): New.
4043 (*rotb<mode>3): New.
4044 * config/avr/avr.c (avr_rotate_bytes): New function.
4045 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
4047 2010-01-08 Steve Ellcey <sje@cup.hp.com>
4050 * configure.ac: Modify -rdynamic check.
4051 * configure: Regenerate.
4053 2010-01-08 DJ Delorie <dj@redhat.com>
4055 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
4056 register popping order.
4058 2010-01-08 Richard Guenther <rguenther@suse.de>
4061 * c.opt (fsigned-char): Also let LTO handle this option.
4062 (funsigned-char): Likewise.
4064 2010-01-07 Richard Guenther <rguenther@suse.de>
4066 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
4067 (gimple_op): Likewise.
4068 (gimple_op_ptr): Likewise.
4069 (gimple_assign_set_lhs): Remove gcc_assert.
4070 (gimple_assign_set_rhs1): Likewise.
4071 (gimple_assign_set_rhs2): Likewise.
4072 (gimple_call_set_lhs): Likewise.
4073 (gimple_call_set_fn): Likewise.
4074 (gimple_call_set_fndecl): Likewise.
4075 (gimple_call_fndecl): Likewise.
4076 (gimple_call_return_type): Likewise.
4077 (gimple_call_set_chain): Likewise.
4078 (gimple_call_num_args): Likewise.
4079 (gimple_call_set_arg): Likewise.
4080 (gimple_cond_set_code): Likewise.
4081 (gimple_cond_set_lhs): Likewise.
4082 (gimple_cond_set_rhs): Likewise.
4083 (gimple_cond_set_true_label): Likewise.
4084 (gimple_cond_set_false_label): Likewise.
4085 (gimple_label_set_label): Likewise.
4086 (gimple_goto_set_dest): Likewise.
4087 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
4088 (gimple_debug_bind_get_value): Likewise.
4089 (gimple_debug_bind_get_value_ptr): Likewise.
4090 (gimple_debug_bind_set_var): Likewise.
4091 (gimple_debug_bind_set_value): Likewise.
4092 (gimple_debug_bind_reset_value): Likewise.
4093 (gimple_debug_bind_has_value_p): Likewise.
4094 (gimple_return_retval_ptr): Remove gcc_assert.
4095 (gimple_return_retval): Likewise.
4096 (gimple_return_set_retval): Likewise.
4097 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
4098 (safe_referenced_var_iterator): Remove.
4099 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
4100 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
4101 (fill_referenced_var_vec): Remove.
4102 (first_readonly_imm_use): Remove redundant gcc_assert.
4103 (phi_arg_index_from_use): Combine gcc_asserts.
4104 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
4105 (first_imm_use_stmt): Remove redundant gcc_assert.
4106 * tree-cfg.c (verify_gimple_call): Verify function and chain
4107 operands. Verify arguments.
4108 (verify_types_in_gimple_stmt): Verify condition code and labels.
4110 2010-01-07 Richard Guenther <rguenther@suse.de>
4112 PR tree-optimization/42641
4113 * sese.c (rename_map_elt_info): Use the SSA name version, do
4116 2010-01-07 Jakub Jelinek <jakub@redhat.com>
4118 PR tree-optimization/42625
4119 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
4120 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
4122 2010-01-07 Duncan Sands <baldrick@free.fr>
4124 * Makefile.in (PLUGIN_HEADERS): Add version.h.
4126 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
4129 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
4130 note itself is not function_invariant_p.
4132 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
4134 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
4135 Do not add the DF_NOTE problem.
4136 * store-motion.c (execute_rtl_store_motion): Likewise.
4138 2010-01-07 Martin Jambor <mjambor@suse.cz>
4140 PR tree-optimization/42157
4141 * tree-sra.c (compare_access_positions): Stabilize sort if both
4142 accesses have integer types, return zero immediately if they are the
4145 2010-01-06 Richard Henderson <rth@redhat.com>
4148 * haifa-sched.c (add_to_note_list): Merge into ...
4149 (concat_note_lists): ... here, and ...
4150 (unlink_other_notes, rm_other_notes): Merge into...
4151 (remove_notes): ... here. Create REG_SAVE_NOTEs for
4152 NOTE_INSN_EPILOGUE_BEG.
4154 2010-01-06 Richard Guenther <rguenther@suse.de>
4156 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
4157 not inline regular functions into always-inline functions.
4159 2010-01-06 Nick Clifton <nickc@redhat.com>
4161 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
4162 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
4164 (OVERRIDE_OPTIONS): Delete.
4165 (OPTIMIZATION_OPTIONS): Define.
4166 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
4167 * config/rx/rx.c (rx_handle_option): Issue an error message if
4168 -mcpu=rx200 and -fpu are used together.
4169 (rx_set_optimization_options): New function. Issue an error
4170 message if an optimization attribute attempts to reset the FPU/
4171 math optimization pairing.
4172 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
4173 * config/rx/rx.opt: Set the default to 32-bit doubles.
4174 * config/rx/t-rx: Add multilibs for -nofpu option.
4175 * doc/invoke.texi: Update documentation of RX options.
4177 2010-01-06 Richard Guenther <rguenther@suse.de>
4179 * tree-ssa-pre.c (name_to_id): New global.
4180 (alloc_expression_id): Simplify SSA name handling.
4181 (lookup_expression_id): Likewise.
4182 (init_pre): Zero name_to_id.
4183 (fini_pre): Free it.
4185 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
4187 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
4189 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
4192 * config/i386/sse.md (smaxv2di3): New.
4193 (umaxv2di3): Likewise.
4194 (sminv2di3): Likewise.
4195 (uminv2di3): Likewise.
4197 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
4200 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
4201 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
4202 (legitimize_tls_address): Likewise.
4203 (sparc_tls_referenced_p): Likewise.
4204 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
4205 and adjust calls to legitimize_pic_address.
4206 (legitimate_constant_p) Use sparc_tls_referenced_p.
4207 (legitimate_pic_operand_p): Likewise.
4208 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4209 (sparc_tls_symbol_ref_1): Delete.
4210 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4211 (legitimize_tls_address): Make static, handle CONST patterns.
4212 (legitimize_pic_address): Make static, remove unused parameter and
4213 adjust recursive calls.
4214 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4215 and adjust call to legitimize_pic_address.
4216 (sparc_output_mi_thunk): Likewise.
4218 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4219 H.J. Lu <hongjiu.lu@intel.com>
4222 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4223 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4224 operands to make them signed.
4227 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4230 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4231 GTU to GT for V4SI and V2DI.
4233 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4234 (umin<mode>3): Removed.
4236 (uminv4si3): Likewise.
4238 2010-01-05 Martin Jambor <mjambor@suse.cz>
4240 PR tree-optimization/42462
4241 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4242 current_function_decl to helper functions and macros.
4244 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4247 * flags.h: Don't include real.h.
4248 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4249 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4250 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4251 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4252 * dominance.c: Update copyright.
4253 * gimple.c (walk_gimple_op): Remove inline.
4254 * tree-ssa-reassoc.c: Include real.h.
4255 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4256 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4258 2010-01-05 Nick Clifton <nickc@redhat.com>
4260 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4261 register to push into the stack frame when the accumulator has to
4262 be saved during interrupts.
4264 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4266 * doc/invoke.texi: Remove the documentation about option
4268 * common.opt (Wunreachable-code): Preserved for backward
4270 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4271 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4272 the backward compatibility flag section.
4274 2010-01-05 Richard Guenther <rguenther@suse.de>
4276 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4278 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4281 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4283 PR tree-optimization/42508
4284 * tree-sra.c (convert_callers): Check for recursive call
4285 by comparing cgraph nodes instead of decls.
4286 (modify_function): Call ipa_modify_formal_parameters also
4287 on all same_body aliases.
4289 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4290 cgraph nodes when checking for same_body aliases.
4292 2010-01-05 Richard Guenther <rguenther@suse.de>
4294 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4295 allocation and lookup.
4296 (get_or_alloc_expr_for_constant): Likewise.
4297 (phi_translate): Sink allocation.
4299 2010-01-04 Richard Guenther <rguenther@suse.de>
4301 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4302 a new entry only if needed.
4303 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4304 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4306 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4308 (phi_translate): Handle CONSTANTs early.
4310 2010-01-04 Martin Jambor <mjambor@suse.cz>
4312 PR tree-optimization/42398
4313 * tree-sra.c (struct access): Removed flag grp_different_types.
4314 (dump_access): Do not dump the removed flag.
4315 (sort_and_splice_var_accesses): Do not set the removed flag.
4316 (sra_modify_expr): Check for type compatibility directly.
4318 2010-01-04 Martin Jambor <mjambor@suse.cz>
4320 PR tree-optimization/42366
4321 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4322 edges with variable number of parameters.
4323 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4324 flag instead of asserting it.
4325 (ipa_read_node_info): Read uses_analysis_done flag.
4327 2010-01-04 Richard Guenther <rguenther@suse.de>
4329 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4330 iterative_hash_* as intended.
4331 (vn_reference_compute_hash): Likewise. Simplify hashing
4333 (vn_reference_lookup_2): Likewise.
4334 (vn_nary_op_compute_hash): Likewise.
4335 (vn_phi_compute_hash): Likewise.
4336 (expressions_equal_p): Remove strange code.
4337 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4338 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4339 (bitmap_insert_into_set_1): Take value-id as parameter.
4340 (add_to_value): Pass it.
4341 (bitmap_insert_into_set): Likewise.
4342 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4344 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4347 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4348 (do_self_spec): For switches with SWITCH_IGNORE set set also
4349 SWITCH_IGNORE_PERMANENTLY.
4350 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4353 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4355 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4356 tree of an unreferenced global var.
4358 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4361 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4362 GTU to GT for V4SI and V2DI.
4364 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4365 (umin<mode>3): Removed.
4367 (uminv4si3): Likewise.
4369 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4372 * collect2.c (main): Turn on trace in collect2 if -v is passed
4375 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4377 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4378 description of expression operand.
4380 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4382 * configure.ac: Add install-html to target_list for Make-hooks.
4383 * configure: Regenerate.
4384 * fortran/Make-lang.in (F95_HTMLFILES): New.
4385 (fortran.html): Use it.
4386 (fortran.install-html): New.
4387 * Makefile.in (install-html): Add lang.install-html.
4388 * java/Make-lang.in (JAVA_HTMLFILES): New.
4389 (java.html): Use it.
4390 (java.install-html): New.
4391 * objc/Make-lang.in (objc.install-html): New.
4392 * objcp/Make-lang.in (obj-c++.install-html): New.
4393 * cp/Make-lang.in (c++.install-html): New.
4394 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4395 * lto/Make-lang.in (lto.install-html): New.
4397 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4400 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4402 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4404 PR rtl-optimization/41862
4405 * store-motion.c (store_killed_in_insn, compute_store_table,
4406 remove_reachable_equiv_notes, replace_store_insn,
4407 build_store_vectors): Ignore all DEBUG_INSNs.
4409 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4412 * common.opt: Add dumpdir.
4414 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4416 (option_map): Add --dumpdir.
4418 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4420 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4422 * opts.c (decode_options): Try dump_dir_name first if
4423 dump_base_name isn't an absolute path.
4424 (common_handle_option): Handle OPT_dumpdir.
4426 * toplev.c (dump_dir_name): New.
4427 (print_switch_values): Also ignore -dumpdir.
4429 * toplev.h (dump_dir_name): New.
4431 2010-01-03 Richard Guenther <rguenther@suse.de>
4433 PR tree-optimization/42589
4434 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4435 double-word expansion of bswap32.
4437 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4439 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4440 with BLOCK_FOR_INSN.
4441 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4442 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4443 noce_process_if_block): Likewise.
4444 * gcse.c (compute_local_properties, insert_expr_in_table,
4445 insert_set_in_table, canon_list_insert, find_avail_set,
4446 pre_insert_copy_insn): Likewise.
4448 * basic-block.h (BLOCK_NUM): Move from here...
4449 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4451 2010-01-03 Richard Guenther <rguenther@suse.de>
4453 PR tree-optimization/42438
4454 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4455 contains_may_not_return_call flag.
4456 (BB_MAY_NOTRETURN): New.
4457 (valid_in_sets): Trapping nary operations are not valid
4458 in blocks that may not return.
4459 (insert_into_preds_of_block): Remove check for trapping expressions.
4460 (compute_avail): Compute also BB_MAY_NOTRETURN.
4462 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4464 * doc/invoke.texi: Add 2010 to copyright years.
4466 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4468 * config/sparc/sparc.c: Fix formatting nits.
4470 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4471 Alexander Monakov <amonakov@ispras.ru>
4473 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4475 2010-01-02 Richard Guenther <rguenther@suse.de>
4478 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4479 (simplify_switch_using_ranges): Mark to be removed edges
4482 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4484 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4486 * collect2.c (scan_libraries): Add missing argument in call to
4489 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4492 * config/alpha/predicates.md (aligned_memory_operand): Return false
4494 (unaligned_memory_operand): Return true for CQImode.
4495 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4496 doesn not cross aligned SImode word boundary.
4498 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4500 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4502 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4503 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4505 2010-01-02 Richard Guenther <rguenther@suse.de>
4508 * toplev.c (compile_file): Emit LTO marker properly. Change
4510 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4512 2010-01-01 Richard Guenther <rguenther@suse.de>
4515 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4517 2010-01-01 Richard Guenther <rguenther@suse.de>
4520 * c-decl.c (grokdeclarator): For zero-size arrays force
4521 structural equality checks as layout_type does.
4523 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4525 * builtins.c: Update copyright to 2010.
4527 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4530 * lto-streamer-out.c (produce_asm): Revert the last change.
4531 (copy_function): Likewise.
4533 * lto-streamer.c (lto_get_section_name): Skip any leading
4536 2010-01-01 Richard Guenther <rguenther@suse.de>
4539 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4543 Copyright (C) 2010 Free Software Foundation, Inc.
4545 Copying and distribution of this file, with or without modification,
4546 are permitted in any medium without royalty provided the copyright
4547 notice and this notice are preserved.