1 2009-03-27 Mark Mitchell <mark@codesourcery.com>
3 * BASE-VER: Change to 4.5.0.
5 2009-03-27 Xinliang David Li <davidxl@google.com>
7 PR tree-optimization/39557
8 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
10 2009-03-27 Xinliang David Li <davidxl@google.com>
12 PR tree-optimization/39548
13 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
16 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
18 * c-common.c (pointer_int_sum): Use %wd on return from
21 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
23 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
24 on return from tree_low_cst.
26 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
29 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
31 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
34 * builtins.h (c_strlen): Do not warn here.
35 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
36 * c-common.c (pointer_int_sum): Take an explicit location.
37 Warn about offsets out of bounds.
38 * c-common.h (pointer_int_sum): Adjust declaration.
40 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
42 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
45 2009-03-26 Jakub Jelinek <jakub@redhat.com>
48 * opts.c (warn_if_disallowed_function_p): Don't assume
49 get_callee_fndecl must return non-NULL.
51 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
53 PR rtl-optimization/39522
54 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
55 when reg_reloaded_valid is set.
57 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
59 * config/spu/divv2df3.c: New file.
60 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
61 (DPBIT_FUNCS): Filter out _div_df.
63 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
65 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
66 a jump insn, count that jump in the distance to the loop start.
68 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
71 * config/sh/sh.c (calc_live_regs): Fix condition for global
72 registers except PIC_OFFSET_TABLE_REGNUM.
74 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
77 * doc/invoke.texi (-mconsole): New.
81 (-mnop-fun-dllimport): New.
85 (sub section "i386 and x86-64 Windows Options"): New.
87 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
89 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
90 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
92 2009-03-25 Richard Guenther <rguenther@suse.de>
95 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
98 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
100 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
101 neither of haifa/selective schedulers are working.
103 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
105 * doc/invoke.texi (Debugging Options): Fix description of
106 -fno-merge-debug-strings.
108 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
110 * config/cris/libgcc.ver: New version-script.
111 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
113 * configure.ac <GAS features, nop mnemonic>: Add pattern
114 crisv32-*-* for "nop".
115 <GAS features, Thread-local storage>: Add item for CRIS and
117 * configure: Regenerate.
119 2009-03-24 Ira Rosen <irar@il.ibm.com>
121 PR tree-optimization/39529
122 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
123 mark_sym_for_renaming for the tag copied to the new vector
126 2009-03-24 Arthur Loiret <aloiret@debian.org>
128 * config.host (alpha*-*-linux*): Use driver-alpha.o and
130 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
131 EXTRA_SPEC_FUNCTIONS.
132 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
133 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
134 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
135 -march and -mtune options.
137 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
139 * config/m68k/t-rtems: Add m5329 multilib.
141 2009-03-24 Dodji Seketeli <dodji@redhat.com>
142 Jakub Jelinek <jakub@redhat.com>
145 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
148 2009-03-23 Jakub Jelinek <jakub@redhat.com>
151 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
152 instead of c_parser_expression_conv, if original_code isn't one of the
153 4 allowed comparison codes, fail.
155 2009-03-23 Richard Guenther <rguenther@suse.de>
157 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
158 * tree.h (struct tree_type): Likewise.
159 * reload.h (struct insn_chain): Likewise.
160 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
161 * function.h (struct function): Likewise.
162 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
164 2009-03-23 Jakub Jelinek <jakub@redhat.com>
166 PR tree-optimization/39516
167 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
169 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
171 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
172 should be set true if BITS_PER_WORD of target is bigger than 32
174 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
176 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
177 Translate -B-options to -rpath-link. Correct existing
178 rpath-link and conditionalize on !nostdlib.
180 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
182 * doc/extend.texi (Function Attributes, Variable Attributes):
184 * doc/invoke.texi (Debugging Options, Optimize Options)
185 (i386 and x86-64 Options, MCore Options): Likewise.
187 2009-03-20 Jakub Jelinek <jakub@redhat.com>
190 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
191 it for block local namespace aliases.
192 (gen_decl_die): Pass context_die to gen_namespace_die.
194 2009-03-19 Jakub Jelinek <jakub@redhat.com>
197 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
198 minimum or maximum value.
200 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
202 * reginfo.c (globalize_reg): Recompute derived reg sets.
204 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
207 * libgcc2.c (mprotect): Do not use signed arguments for
208 VirtualProtect, use DWORD arguments. Also fix the 'may
209 be used uninitialized' warning for the np variable.
211 2009-03-19 Jakub Jelinek <jakub@redhat.com>
214 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
215 functions using regparm calling conventions when not optimizing.
216 (ix86_function_sseregparm): Similarly for sseregparm calling
219 2009-03-19 Li Feng <nemokingdom@gmail.com>
222 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
223 dependence if the first conflict is after niter iterations.
225 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
228 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
229 functions with dynamic stack-pointer adjustments.
231 2009-03-19 Ben Elliston <bje@au.ibm.com>
233 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
234 option; change to -msdata=data.
236 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
238 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
241 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
244 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
246 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
248 * doc/invoke.texi (Code Gen Options): Expand discussion of
251 2009-03-18 Jakub Jelinek <jakub@redhat.com>
253 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
254 * matrix-reorg.c (struct matrix_info): Likewise.
255 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
256 * rtl.h (struct mem_attrs): Likewise.
257 * df.h (struct df): Likewise.
258 * tree-data-ref.h (struct data_dependence_relation): Likewise.
259 * ira-int.h (struct ira_allocno): Likewise.
260 * df-scan.c (struct df_collection_rec): Likewise.
261 * ira.c (struct equivalence): Likewise.
262 * function.c (struct temp_slot): Likewise.
263 * cfgloop.h (struct loop): Likewise.
266 * function.c (use_register_for_decl): When not optimizing, disregard
267 register keyword for variables with types containing methods.
269 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
272 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
273 (is_simple_operand): Call contains_component_ref_p before calling data
274 reference analysis that would fail on COMPONENT_REFs.
276 * tree-vrp.c (search_for_addr_array): Fix formatting.
278 2009-03-18 Richard Guenther <rguenther@suse.de>
280 * tree-vect-transform.c (vect_loop_versioning): Fold the
281 generated comparisons.
282 * tree-vectorizer.c (set_prologue_iterations): Likewise.
283 (slpeel_tree_peel_loop_to_edge): Likewise.
285 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
288 * opts.c (print_specific_help): In addition to `undocumented',
289 accept `separate' and `joined' flags if passed alone. Describe
290 output by the first matched one of those.
291 (common_handle_option): Skip over empty strings.
292 * gcc.c (display_help): Fix help string for `--help='.
293 * doc/invoke.texi (Option Summary, Overall Options): With
294 `--help=', classes and qualifiers can both be repeated, but
295 only the latter can be negated. One should not pass only
296 negated qualifiers. Fix markup and examples.
299 2008-10-14 Jakub Jelinek <jakub@redhat.com>
301 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
304 2009-03-17 Jing Yu <jingyu@google.com>
307 * function.h (struct rtl_data): Move is_thunk from here...
308 (struct function): ...to here.
309 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
310 * varasm.c (assemble_start_function): Change is_thunk from crtl to
312 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
314 (alpha_does_function_need_gp, alpha_start_function): Likewise.
315 (alpha_output_function_end_prologue): Likewise.
316 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
317 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
318 (rs6000_output_function_epilogue): Likewise.
319 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
321 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
324 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
325 from different units in a single alternative.
326 (*truncdfsf_i387): Ditto.
327 (*truncxfsf2_mixed): Ditto.
328 (*truncxfdf2_mixed): Ditto.
330 2009-03-17 Jakub Jelinek <jakub@redhat.com>
332 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
333 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
336 * tree-ssa-live.c (remove_unused_locals): Don't remove local
337 unused non-artificial variables when not optimizing.
340 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
341 DW_TAG_imported_module even if decl is IMPORTED_DECL with
342 NAMESPACE_DECL in its DECL_INITIAL.
345 * optabs.c (set_user_assembler_libfunc): New function.
346 * expr.h (set_user_assembler_libfunc): New prototype.
347 * c-common.c: Include libfuncs.h.
348 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
349 for memcmp, memset, memcpy, memmove and abort.
350 * Makefile.in (c-common.o): Depend on libfuncs.h.
353 * dwarf2out.c (gen_inlined_enumeration_type_die,
354 gen_inlined_structure_type_die, gen_inlined_union_type_die,
355 gen_tagged_type_instantiation_die): Removed.
356 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
359 2009-03-17 Janis Johnson <janis187@us.ibm.com>
362 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
364 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
365 (check-parallel-%): Ditto.
366 (check-consistency): Ditto.
368 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
370 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
371 local variable rhs by NULL_TREE.
373 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
376 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
378 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
381 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
383 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
386 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
387 for ms->sysv ABI calls only in 64bit mode.
389 * config/i386/i386.md (untyped_call): Support 32bit.
391 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
393 * doc/extend.texi: Replace x86_65 with x86_64.
395 2009-03-16 Jakub Jelinek <jakub@redhat.com>
397 PR tree-optimization/39455
398 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
399 mismatches for POINTER_TYPE_P (type).
400 (number_of_iterations_le): Likewise.
402 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
404 * config/picochip/picochip.c: Removed profiling support.
405 * config/picochip/picochip.md: Removed profiling instruction.
406 * config/picochip/picochip.h: Removed profiling builtin.
408 2009-03-16 Joseph Myers <joseph@codesourcery.com>
410 * doc/install.texi (--with-host-libstdcxx): Document.
412 2009-03-14 Anatoly Sokolov <aesok@post.ru>
415 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
416 generate a warning if the function name does not begin with
417 "__vector" and the function has either the 'signal' or 'interrupt'
418 attribute, from here to ...
419 (avr_declare_function_name): ...here. New function.
420 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
421 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
423 2009-03-14 Jakub Jelinek <jakub@redhat.com>
426 * cse.c (fold_rtx): Don't modify original const_arg1 when
427 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
428 separate variable instead.
429 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
430 from out of range shift counts.
431 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
433 2008-03-13 Catherine Moore <clm@codesourcery.com>
435 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
436 diagnostic.h with $(DIAGNOSTIC_H).
438 2008-03-12 Jakub Jelinek <jakub@redhat.com>
441 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
443 * config/i386/sync.md (sync_compare_and_swap<mode>,
444 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
445 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
447 (sync_double_compare_and_swapdi_pic,
448 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
449 cmpxchg8b_pic_memory_operand instead of just memory_operand.
451 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
454 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
456 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
459 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
460 (avx_addsubv4df3): Likewise.
461 (*avx_addsubv4sf3): Likewise.
462 (sse3_addsubv4sf3): Likewise.
464 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
467 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
469 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
472 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
473 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
474 registers for allocnos created from user-defined variables.
476 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
479 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
480 of non-integer mode as well.
482 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
484 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
485 for functions for which the parameter types are unknown.
487 2009-03-11 Jakub Jelinek <jakub@redhat.com>
490 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
491 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
492 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
493 * config/i386/i386.c (ix86_local_alignment): For
494 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
495 long long variables on the stack to avoid dynamic realignment.
496 Allow the first argument to be a decl rather than type.
497 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
499 2009-03-11 Nick Clifton <nickc@redhat.com>
502 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
504 Add description to mno-lsim option.
505 * config/mcore/mcore.h: Remove comment about deprecated m4align
507 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
508 * doc/invoke.texi: Add description of mno-lsim and
509 mstack-increment options.
511 * config/fr30/fr30.opt: Document the -mno-lsim option.
512 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
513 and -mno-lsim options.
515 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
517 * fold-const.c (fold_comparison): Only call fold_inf_compare
518 if the mode supports infinities.
520 2009-03-11 Jason Merrill <jason@redhat.com>
523 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
524 end already did. Notice GIMPLE_CALL modifications of the result.
525 Don't copy debug information from an ignored decl or a decl from
528 2009-03-10 Richard Guenther <rguenther@suse.de>
529 Nathan Froyd <froydnj@codesourcery.com>
532 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
533 (__divMODE3): Likewise.
535 2009-03-09 Jakub Jelinek <jakub@redhat.com>
537 PR tree-optimization/39394
538 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
539 DECL_SIZE_UNIT of variable length FIELD_DECLs.
541 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
543 * recog.c (verfiy_changes): Disallow renaming of hard regs in
544 inline asms for register asm ("") declarations.
546 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
548 * fold-const.c (fold_unary): Fix comment.
550 2009-03-07 Jan Hubicka <jh@suse.cz>
553 * tree-inline.c (setup_one_parameter): Do replacement of const
554 argument by constant in SSA form.
556 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
559 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
560 determine alignment passed to assign_stack_local.
561 (assign_parms_unsplit_complex): Likewise.
562 * except.c (sjlj_build_landing_pads): Likewise.
564 2009-03-06 Jakub Jelinek <jakub@redhat.com>
567 * tree-flow.h (add_referenced_var): Return bool instead of void.
568 * tree-dfa.c (add_referenced_var): Return result of
569 referenced_var_check_and_insert call.
570 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
571 of referenced_var_check_and_insert.
574 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
575 (gen_variable_die): Emit DW_AT_location on abstract static variable's
576 DIE, don't emit it if abstract origin already has it.
577 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
578 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
580 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
582 * genpreds.c: (needs_variable): Fix parentheses at variable name
584 (write_tm_constrs_h): Indent generated code.
586 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
588 * doc/extend.texi (Function Attributes): Add documentation
591 2009-03-06 Jakub Jelinek <jakub@redhat.com>
594 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
595 take locus from its DECL_SOURCE_LOCATION instead of input_location.
597 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
599 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
602 2009-03-05 Jakub Jelinek <jakub@redhat.com>
605 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
606 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
608 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
610 * config/i386/i386.md (R8_REG, R9_REG): New constants.
611 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
612 constants instead of magic numbers.
613 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
615 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
616 (x86_64_ms_abi_int_parameter_registers): Ditto.
617 (x86_64_int_return_registers): Ditto.
618 (ix86_maybe_switch_abi): Ditto.
619 (ix86_expand_call): Ditto for clobbered_registers array.
620 (ix86_hard_regno_mode_ok): Ditto.
621 (x86_extended_QIreg_mentioned_p): Ditto.
623 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
625 PR tree-optimization/39349
626 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
628 * combine.c (gen_lowpart_for_combine): Use omode when generating
631 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
633 PR rtl-optimization/39235
634 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
636 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
638 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
640 2009-03-04 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/39362
643 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
644 that occur in abnormal PHIs should be varying.
646 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
648 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
650 (simple_iv): Take loop as an argument instead of statement.
651 * tree-scalar-evolution.h (simple_iv): Declaration changed.
652 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
654 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
656 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
657 * matrix-reorg.c (analyze_transpose): Ditto.
658 * tree-data-ref.c (dr_analyze_innermost): Ditto.
659 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
660 * tree-predcom.c (ref_at_iteration): Ditto.
661 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
663 2009-03-04 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/39358
666 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
667 escaped_id and callused_id.
668 (solve_graph): Likewise.
670 2009-03-04 Richard Guenther <rguenther@suse.de>
672 PR tree-optimization/39339
673 * tree-sra.c (try_instantiate_multiple_fields): Make it
674 no longer ICE on the above.
676 2009-03-03 Joseph Myers <joseph@codesourcery.com>
678 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
679 that fits within Pmode.
681 2009-03-03 Steve Ellcey <sje@cup.hp.com>
684 * tm.texi (LIBCALL_VALUE): Update description.
686 2009-03-03 Steve Ellcey <sje@cup.hp.com>
689 * doc/extend.texi (section): Update description.
691 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
694 * tree-inline.c (remapped_type): New.
695 (can_be_nonlocal): Call remapped_type instead of remap_type.
697 2009-03-03 Jakub Jelinek <jakub@redhat.com>
700 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
701 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
703 2009-03-03 Richard Guenther <rguenther@suse.de>
706 * tree.c (tree_nonartificial_location): New function.
707 * tree.h (tree_nonartificial_location): Declare.
708 * builtins.c (expand_builtin_memory_chk): Provide location
709 of the call location for artificial function pieces.
710 (maybe_emit_chk_warning): Likewise.
711 (maybe_emit_sprintf_chk_warning): Likewise.
712 (maybe_emit_free_warning): Likewise.
713 * expr.c (expand_expr_real_1): Likewise.
715 2009-03-03 Jakub Jelinek <jakub@redhat.com>
717 PR tree-optimization/39343
718 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
719 COMPONENT_REF t has ARRAY_TYPE.
721 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
724 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
725 when the type precision of the induction variable should be
726 larger than the type precision of nit.
727 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
728 * graphite.c (graphite_loop_normal_form): Same.
729 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
731 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
734 (*call_1_rex64_ms_sysv): Use named constants instead of magic
735 numbers to describe clobbered registers.
736 (*call_value_0_rex64_ms_sysv): Ditto.
737 * config/i386/mmx.md (mmx_emms): Ditto.
740 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
742 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
745 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
747 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
748 (spu_section_type_flags): New function.
750 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
752 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
753 reg_class_contents of FLOAT_REGS into a temporary.
755 2009-03-02 Richard Guenther <rguenther@suse.de>
756 Ira Rosen <irar@il.ibm.com>
758 PR tree-optimization/39318
759 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
760 information to the vectorized statement.
762 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
764 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
765 variable. Use defined names instead of magic constants for REX SSE
768 2009-03-01 Richard Guenther <rguenther@suse.de>
770 PR tree-optimization/39331
771 * omp-low.c (lower_send_shared_vars): Do not receive new
772 values for the reference of DECL_BY_REFERENCE parms or results.
774 2009-03-01 Jan Hubicka <jh@suse.cz>
777 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
778 BLOCK_NONLOCALIZED_VAR): New macros.
779 (tree_block): Add nonlocalized_vars.
780 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
781 gen_decl_die): Add origin argument. Allow generation of die with
783 (gen_member_die, gen_type_die_with_usage, force_decl_die,
784 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
786 (gen_block_die): Fix checking for unused blocks.
787 (process_scope_var): Break out from .... ; work with origins only.
788 (decls_for_scope) ... here; process nonlocalized list.
789 (dwarf2out_ignore_block): Look for nonlocalized vars.
790 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
792 (dump_scope_block): Dump them.
793 * tree-inline.c (remap_decls): Handle nonlocalized vars.
794 (remap_block): Likewise.
795 (can_be_nonlocal): New predicate.
796 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
798 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
800 * configure: Regenerate.
802 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
804 * optc-gen.awk: No need to duplicate option flags twice.
805 Reuse help texts for duplicate options which do not have any.
807 * gcc.c (display_help): Document --version.
809 * gcc.c (main): If print_help_list and verbose_flag, ensure
810 driver output comes before subprocess output.
812 * optc-gen.awk: Assign all remaining fields to help string,
813 space-separated, for multi-line help in *.opt.
815 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
816 -Wno-pedantic-ms-format is for MinGW targets only.
818 * doc/options.texi (Option file format): Fix bad indentation,
819 restoring dropped sentence.
821 2009-02-28 Jan Hubicka <jh@suse.cz>
823 * tree-inline.c (tree_function_versioning): Output debug info.
825 2009-02-28 Jan Hubicka <jh@suse.cz>
828 * tree-inline.c (setup_one_parameter): Do not copy propagate
829 arguments when not optimizing.
831 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
834 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
835 (avx_addsubv4df3): Likewise.
836 (*avx_addsubv4sf3): Likewise.
837 (sse3_addsubv4sf3): Likewise.
838 (*avx_addsubv2df3): Likewise.
839 (sse3_addsubv2df3): Likewise.
840 (avx_unpckhps256): Correct item selectors.
841 (avx_unpcklps256): Likewise.
842 (avx_unpckhpd256): Likewise.
843 (avx_unpcklpd256): Likewise.
845 2009-02-28 Jan Hubicka <jh@suse.cz>
847 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
849 (copy_arguments_for_versioning): If var is declared don't declare it.
850 (tree_function_versioning): First setup substitutions and then copy
853 2009-02-27 Jan Hubicka <jh@suse.cz>
856 * cgraph.h (varpool_output_debug_info): Remove.
857 * cgraphunit.c (varpool_output_debug_info): Remove.
858 * dwarf2out.c (deferred_locations_struct): New struct
859 (deferred_locations): New type.
860 (deferred_locations_list): New static var.
861 (deffer_location): New function.
862 (gen_variable_die): Use it.
863 (decls_for_scope): Output info on local static vars.
864 (dwarf2out_finish): Process deferred locations.
865 * varpool.c (varpool_output_debug_info): Remove.
867 2009-02-27 Jan Hubicka <jh@suse.cz>
870 * tree.h (TREE_PROTECTED): Fix comment.
871 (BLOCK_HANDLER_BLOCK): Remove.
872 (struct tree_block): Remove handler_block add body_block.
873 (inlined_function_outer_scope_p): New.
874 (is_body_block): Remove.
875 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
876 * dwarf2out.c (is_inlined_entry_point): Remove.
877 (add_high_low_attributes): Use inlined_function_outer_scope_p.
878 (gen_block_die): Use is_inlined_entry_point check. Remove body block
880 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
881 * gimplify.c (gimplify_expr): Gimplify body blocks.
882 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
883 block with multiple subblocks.
884 (dump_scope_block): Prettier output; dump more flags and info.
885 (dump_scope_blocks): New.
886 (remove_unused_locals): Use dump_scope_blocks.
887 * tree-flow.h (dump_scope_blocks): Declare.
888 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
889 * stmt.c (is_body_block): Remove.
890 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
891 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
893 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
896 * graphite.c (graphite_loop_normal_form): Do not call
897 number_of_iterations_exit from a gcc_assert.
899 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
901 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
902 jumps if COND is NULL.
903 (find_cond_jump): New function.
904 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
905 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
907 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
909 * config/alpha/alpha.h (alpha_expand_mov): Return false if
910 force_const_mem returns NULL_RTX.
912 2009-02-26 Jan Hubicka <jh@suse.cz>
915 * cgraph.h (varpool_output_debug_info): Remove.
916 * cgraphunit.c (varpool_output_debug_info): Remove.
917 * dwarf2out.c (deferred_locations_struct): New struct
918 (deferred_locations): New type.
919 (deferred_locations_list): New static var.
920 (deffer_location): New function.
921 (gen_variable_die): Use it.
922 (decls_for_scope): Output info on local static vars.
923 (dwarf2out_finish): Process deferred locations.
924 * varpool.c (varpool_output_debug_info): Remove.
926 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
928 PR rtl-optimization/39241
929 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
930 to subreg_offset_representable_p.
932 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
934 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
935 execute function prototype. Get f and nregs from max_reg_num
936 and get_insns. Remove the first backward pass as it's dead,
937 guard the forward pass by flag_expensive_optimizations.
938 (rest_of_handle_regmove): Delete.
939 (pass_regmove): Replace it with regmove_optimize.
941 2009-02-25 Martin Jambor <mjambor@suse.cz>
943 PR tree-optimization/39259
944 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
945 calls_alloca function flags.
946 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
949 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
951 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
952 flags_set_1_rtx, flags_set_1_set): Delete.
953 (regmove_optimize): Do not call mark_flags_life_zones.
955 2009-02-24 Julian Brown <julian@codesourcery.com>
958 * config/arm/arm.c (require_pic_register): Only set
959 cfun->machine->pic_reg once per function.
961 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
963 * doc/invoke.texi (Link Options): Document an easier way to pass
964 options that take arguments to the GNU linker using -Xlinker and -Wl.
966 2009-02-24 Steve Ellcey <sje@cup.hp.com>
969 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
971 2009-02-24 Richard Guenther <rguenther@suse.de>
974 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
976 2009-02-24 Richard Guenther <rguenther@suse.de>
977 Zdenek Dvorak <ook@ucw.cz>
979 PR tree-optimization/39233
980 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
981 from converting them to a generic type.
983 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
985 PR tree-optimization/39260
986 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
987 contains a condition with a real type.
988 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
990 2009-02-23 Jason Merrill <jason@redhat.com>
993 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
994 narrowing_initializer_constant_valid_p.
995 (narrowing_initializer_constant_valid_p): Don't return
996 null_pointer_node for adding a pointer to itself.
998 2009-02-23 Jan Hubicka <jh@suse.cz>
1001 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1004 2009-02-23 Jan Hubicka <jh@suse.cz>
1006 PR tree-optimization/37709
1007 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1008 * tree.h (block_ultimate_origin): Declare.
1009 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1010 * tree-ssa-live.c (remove_unused_scope_block_p):
1011 Eliminate blocks containig no instructions nor live variables nor
1013 (dump_scope_block): New function.
1014 (remove_unused_locals): Enable removal of dead blocks by default;
1015 enable dumping at TDF_DETAILS.
1017 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1019 * config/i386/i386.c (classify_argument): Don't allow COImode
1021 (function_arg_advance_32): Don't allow OImode.
1022 (function_arg_32): Likewise.
1023 (function_value_32): Likewise.
1024 (return_in_memory_32): Likewise.
1025 (function_arg_64): Remove OImode comment.
1027 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1030 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1031 ix86_expand_vector_set for V4DImode in 64bit mode only.
1032 (ix86_expand_vector_init_one_var): Likewise.
1034 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1036 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1038 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1041 * loop-iv.c: Revert last change.
1042 * emit-rtl.c: Likewise.
1044 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1047 * config/i386/i386.c (type_natural_mode): Remove an extra
1048 space in the warning message.
1049 (function_value_32): Handle 32-byte vector modes.
1050 (return_in_memory_32): Likewise.
1052 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1054 * loop-iv.c (truncate_value): New function.
1055 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1057 (lowpart_subreg): Move to...
1058 * emit-rtl.c: ...here.
1060 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1062 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1063 accidental and undocumented change at revision 140860.
1065 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1067 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1068 take gimple_seq * arguments.
1069 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1070 types_compatible_p langhook.
1072 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1073 Joseph Myers <joseph@codesourcery.com>
1075 * config/arm/arm.c (arm_builtin_va_list): New function.
1076 (arm_expand_builtin_va_start): Likewise.
1077 (arm_gimplify_va_arg_expr): Likewise.
1078 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1079 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1080 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1081 (va_list_type): New variable.
1082 (arm_mangle_type): Mangle va_list_type appropriately.
1084 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1087 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1088 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1089 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1090 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1091 parameter to 1000 for -O1 by default.
1092 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1094 * loop-invariant.c: Include params.h.
1095 (move_loop_invariants): Don't call move_single_loop_invariants on
1098 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1100 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1101 offset when calculating bounds for indexing stack_usage_map. Fixes
1102 a buffer overflow with certain target setups.
1104 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1107 * calls.c (expand_call): Clear try_tail_call if caller and callee
1108 disagree in promotion of function return value.
1110 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1113 * c-common.c (c_determine_visibility): If visibility changed and
1114 DECL_RTL has been already set, call make_decl_rtl to update symbol
1117 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1120 * varasm.c (assemble_variable): Don't check DECL_NAME when
1121 globalizing a variable.
1123 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1126 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1127 expression before any __builtin_trap call.
1128 * c-typeck.c (build_function_call): Convert and check function
1129 arguments before generating a call to a trap. Evaluate the
1130 function arguments before the trap.
1132 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1135 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1136 (UNSPEC_FXAM_MEM): New unspec.
1137 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1138 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1139 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1141 2009-02-19 Richard Guenther <rguenther@suse.de>
1143 PR tree-optimization/39207
1144 PR tree-optimization/39074
1145 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1146 storedanything_tree): New.
1147 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1148 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1149 (build_succ_graph): Add edges from STOREDANYTHING to all
1151 (init_base_vars): Initialize STOREDANYTHING.
1152 (compute_points_to_sets): Free substitution info after
1153 building the succ graph.
1154 (ipa_pta_execute): Likewise.
1156 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1158 (do_ds_constraint): Do not add to special var or non-pointer
1160 (type_could_have_pointers): Split out from ...
1161 (could_have_pointers): ... here. For arrays use the element type.
1162 (create_variable_info_for): Initialize may_have_pointers.
1163 (new_var_info): Likewise.
1164 (handle_lhs_call): Make the HEAP variable unknown-sized.
1165 (intra_create_variable_infos): Use a type with pointers for
1166 PARM_NOALIAS, make it unknown-sized.
1168 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1171 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1173 2009-02-18 Jason Merrill <jason@redhat.com>
1176 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1177 value if DECL_EXTERNAL.
1178 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1179 * target.h (gcc_target::binds_local_p): Clarify "module".
1180 * tree.h (TREE_PUBLIC): Clarify "module".
1182 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1185 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1186 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1188 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1191 * c.opt (Wabi): Support C and ObjC.
1194 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1196 * config/i386/i386.c (classify_argument): Warn once about the ABI
1197 change when passing union with long double.
1199 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1201 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1204 * c-parser.c (c_parser_compound_statement): Always enter and leave
1207 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1210 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1212 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1214 PR tree-optimization/36922
1215 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1216 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1219 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1221 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1224 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1226 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1228 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1230 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1233 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1234 Richard Sandiford <rdsandiford@googlemail.com>
1236 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1237 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1238 (loongson_biadd): ...this.
1240 2009-02-17 Richard Guenther <rguenther@suse.de>
1242 PR tree-optimization/39202
1243 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1244 a var make sure to follow existing collapses.
1246 2009-02-17 Richard Guenther <rguenther@suse.de>
1249 * langhooks.c (lhd_print_error_function): Check for NULL block.
1251 2009-02-17 Richard Guenther <rguenther@suse.de>
1253 PR tree-optimization/39204
1254 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1257 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1259 * config/soft-fp/double.h: Update from glibc CVS.
1261 2009-02-17 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/39207
1264 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1265 strict-aliasing warnings for pointers pointing to NULL.
1267 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1270 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1271 skipping until next close brace.
1273 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1276 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1277 to function argument boundary.
1279 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1281 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1282 in the lea_add. Reload eventually constraints it properly.
1283 * config/picochip/constraints.md : Remove the target constraint
1284 "b", since it is not needed anymore.
1286 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1288 * gthr-dce.h: Uglify function parameter and local variable names.
1289 * gthr-gnat.h: Likewise.
1290 * gthr-mipssde.h: Likewise.
1291 * gthr-nks.h: Likewise.
1292 * gthr-posix95.h: Likewise.
1293 * gthr-posix.h: Likewise.
1294 * gthr-rtems.h: Likewise.
1295 * gthr-single.h: Likewise.
1296 * gthr-solaris.h: Likewise.
1297 * gthr-tpf.h: Likewise.
1298 * gthr-vxworks.h: Likewise.
1299 * gthr-win32.h: Likewise.
1301 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1304 * config/i386/i386.md: Restrict the new peephole2 to move
1305 between MMX/SSE registers.
1307 2009-02-15 Richard Guenther <rguenther@suse.de>
1310 2009-02-13 Richard Guenther <rguenther@suse.de>
1312 * configure.ac: Enable LFS.
1313 * configure: Re-generate.
1314 * config.in: Likewise.
1316 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1318 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1319 spu_srqwbyte, spu_srqwbytebc): Define.
1320 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1321 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1322 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1323 "shrqby_<mode>"): New insn-and-split patterns.
1324 * config/spu/spu.c (expand_builtin_args): Determine and return
1325 number of operands using spu_builtin_description data.
1326 (spu_expand_builtin_1): Use it.
1328 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1331 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1334 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1337 * config/i386/i386.c (override_options): Correct warning
1338 messages for -malign-loops, -malign-jumps and -malign-functions.
1340 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1343 * config/i386/i386.md: Restrict the new peephole2 to move
1344 between the general purpose registers.
1346 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1349 * config/i386/i386.c (type_natural_mode): Add a new argument.
1350 Return the original mode and warn ABI change if vector size is 32byte.
1351 (function_arg_advance): Updated.
1352 (function_arg): Likewise.
1353 (ix86_function_value): Likewise.
1354 (ix86_return_in_memory): Likewise.
1355 (ix86_sol10_return_in_memory): Likewise.
1356 (ix86_gimplify_va_arg): Likewise.
1357 (function_arg_32): Don't warn ABX ABI change here.
1358 (function_arg_64): Likewise.
1360 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1362 * loop-iv.c (implies_p): In the final case, test that operands 0
1363 of the two comparisons match.
1365 * config/bfin/bfin.c (find_prev_insn_start): New function.
1366 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1367 (find_next_insn_start): Move.
1369 2009-02-13 Richard Guenther <rguenther@suse.de>
1371 * configure.ac: Enable LFS.
1372 * configure: Re-generate.
1373 * config.in: Likewise.
1375 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1378 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1379 sizes on syntax error after some arguments have been parsed.
1381 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1383 * doc/invoke.texi (-fira): Remove.
1385 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1387 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1388 * recog.c: Likewise.
1391 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1393 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1394 (umul_ppmm): Likewise.
1395 (count_leading_zeros): Likewise.
1396 (count_trailing_zeros): Likewise.
1397 (UMUL_TIME): Likewise.
1399 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1401 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1402 soft-fp/t-softfp to tmake_file.
1404 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1405 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1406 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1407 IA64_BUILTIN_INFQ]: New.
1408 (ia64_init_builtins): Initialize __builtin_infq,
1409 __builtin_fabsq and __builtin_copysignq if not HPUX.
1410 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1411 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1413 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1415 (__fixtfti): Likewise.
1416 (__fixunstfti): Likewise.
1417 (__floattitf): Likewise.
1419 * config/ia64/libgcc-glibc.ver: New.
1420 * config/ia64/t-fprules-softfp: Likewise.
1421 * config/ia64/sfp-machine.h: Likewise.
1423 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1424 (LIBGCC2_TF_CEXT): Likewise.
1425 (TF_SIZE): Likewise.
1426 (TARGET_INIT_LIBFUNCS): Likewise.
1428 * config/ia64/t-glibc (SHLINB_MAPFILES):
1429 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1431 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1433 * config/i386/i386.c (construct_container): Rewrite processing
1434 BLKmode with X86_64_SSE_CLASS.
1436 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1439 * config/i386/i386.md: Replace simplify_replace_rtx with
1440 replace_rtx in the new peephole2.
1442 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1444 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1445 loop unrolling do not happen at -O2.
1447 2009-02-12 Michael Matz <matz@suse.de>
1449 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1451 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1453 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1456 2009-02-12 Ben Elliston <bje@au.ibm.com>
1458 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1459 patterns when updating the back chain. Missed in the 2009-02-10
1462 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1464 * doc/extend.texi (Decimal Floating Types): Update identifier of
1465 draft TR and list of missing support.
1467 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1470 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1471 bit to variable length decl's flags, add it also to its
1472 pointer replacement variable.
1474 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1475 Jakub Jelinek <jakub@redhat.com>
1478 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1479 (memory_blockage): New expander.
1480 (*memory_blockage): New insn pattern.
1481 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1482 instead of general blockage at the end of function prologue when
1483 frame pointer is used to access red zone area. Do not emit blockage
1484 when profiling, it is emitted in generic code.
1485 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1486 function epilogue when frame pointer is used to access red zone area.
1488 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1491 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1492 by arithmetic with memory operands.
1493 * config/i386/predicates.md (commutative_operator): New.
1495 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1497 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1500 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1502 * alias.h (record_alias_subset): Declare.
1503 * alias.c (record_alias_subset): Make global.
1505 2009-02-10 Nick Clifton <nickc@redhat.com>
1507 * tree-parloops.c: Change license to GPLv3.
1508 * ipa-struct-reorg.c: Change license to GPLv3.
1509 * ipa-struct-reorg.h: Change license to GPLv3.
1511 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1514 * c-decl.c (start_struct): Return NULL on error.
1516 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1519 * cfgloopmanip.c (remove_path): Call remove_bbs after
1520 cancel_loop_tree, not before it.
1523 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1524 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1525 VAR_DECLs were seen.
1526 * tree-ssa-live.c (remove_unused_locals): Recompute
1527 cfun->has_local_explicit_reg_vars.
1528 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1529 copies or clearings if cfun->has_local_explicit_reg_vars.
1531 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1534 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1535 of function prologue when frame pointer is used to access
1538 2009-02-10 Richard Guenther <rguenther@suse.de>
1541 * gimplify.c (gimple_regimplify_operands): Always look if
1542 we need to create a temporary.
1544 2009-02-10 Richard Guenther <rguenther@suse.de>
1546 PR tree-optimization/39132
1547 * tree-loop-distribution.c (todo): New global var.
1548 (generate_memset_zero): Trigger TODO_rebuild_alias.
1549 (tree_loop_distribution): Return todo.
1551 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1554 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1555 (x86_64_reg_class_name): Removed.
1556 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1557 first one isn't X86_64_SSE_CLASS or any other ones aren't
1558 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1559 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1560 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1561 and 3 X86_64_SSEUP_CLASS.
1562 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1563 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1565 2009-02-10 Ben Elliston <bje@au.ibm.com>
1567 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1568 form instruction to update the stack back chain word, even if the
1569 user has disabled the generation of update instructions.
1570 (movdi_<mode>_update_stack): New.
1571 (movsi_update_stack): Likewise.
1572 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1573 always use an update form instruction to update the stack back
1576 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1579 * graphite.c (if_region_set_false_region): After moving a region in
1580 the false branch of a condition, remove the empty dummy basic block.
1581 (gloog): Remove wrong fix for PR38953.
1583 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1585 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1586 generation due to implicit sign extension.
1588 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1591 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1592 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1594 2009-02-09 Richard Guenther <rguenther@suse.de>
1597 * convert.c (convert_to_real): Disable (float)fn((double)x)
1598 to fnf(x) conversion if errno differences may occur and
1599 -fmath-errno is set.
1601 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1603 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1604 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1605 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1607 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1610 * c-common.c (handle_alias_attribute): Disallow attribute for
1611 anything not a FUNCTION_DECL or VAR_DECL.
1613 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1616 * real.c (do_compare): Special-case compare of zero against
1617 decimal float value.
1619 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1622 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1623 as indicating flexible array members unless the field itself is
1624 being declarared as the incomplete array.
1626 2009-02-06 Jan Hubicka <jh@suse.cz>
1628 PR tree-optimization/38844
1629 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1632 2009-02-06 Richard Guenther <rguenther@suse.de>
1635 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1636 fork because we may expand it as __gcov_fork.
1638 2009-02-06 Nick Clifton <nickc@redhat.com>
1640 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1642 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1644 PR tree-optimization/35659
1645 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1646 vn_phi_eq): Shortcut if hashcode does not match.
1647 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1649 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1650 and avoid iterative_hash_expr.
1651 (FOR_EACH_VALUE_ID_IN_SET): New.
1652 (value_id_compare): Remove.
1653 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1654 sort expressions by value id.
1656 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1659 * config/sh/predicates.md (general_movsrc_operand): Don't check
1660 the subreg of system registers here.
1662 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1665 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1668 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1670 PR rtl-optimization/39110
1671 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1672 addresses, not aligned ones.
1674 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1675 Richard Guenther <rguenther@suse.de>
1677 PR tree-optimization/39100
1678 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1679 comment says and add edges.
1681 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1684 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1685 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1687 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1689 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1690 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1691 register_bb_in_sese, new_sese, free_sese): Moved.
1692 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1693 outermost_loop_in_scop, build_scop_iteration_domain,
1694 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1695 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1696 Use loop_in_sese_p instead of loop_in_scop_p.
1697 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1698 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1699 (scopdet_basic_block_info): Fix bug in scop detection.
1700 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1701 eq_loop_to_cloog_loop): Remove.
1702 (nb_loops_around_loop_in_scop, nb_loop
1703 ref_nb_loops): Moved here...
1704 * graphite.h (ref_nb_loops): ... from here.
1705 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1706 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1707 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1708 * testsuite/gcc.dg/graphite/scop-19.c: New
1710 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1711 Hans-Peter Nilsson <hp@axis.com>
1713 PR rtl-optimization/37889
1714 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1715 Move offset handling from PLUS to before the switch. Use new
1716 arguments when considering SYMBOL_REFs too.
1717 (rtx_addr_can_trap_p): Pass dummy offset and size.
1718 (enum may_trap_p_flags): Remove.
1719 (may_trap_p_1): Pass size from MEM_SIZE.
1721 PR rtl-optimization/38921
1722 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1723 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1724 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1725 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1727 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1729 AVX Programming Reference (January, 2009)
1730 * config/i386/sse.md (*vpclmulqdq): New.
1732 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1734 PR tree-optimization/38977
1735 PR gcov-profile/38292
1736 * calls.c (special_function_p): Disregard __builtin_ prefix.
1738 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1740 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1741 non-indexable addresses even before reload.
1743 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1746 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1747 as having variable size. Do not give an error for unnamed
1748 parameters with [*] declarators. Give a warning for type names
1749 with [*] declarators and mark them as variable size.
1750 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1751 for sizeof applied to [*] type names.
1753 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1756 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1758 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1760 * gcc.c (process_command): Update copyright notice dates.
1761 * gcov.c (print_version): Likewise.
1762 * gcov-dump.c (print_version): Likewise.
1763 * mips-tfile.c (main): Likewise.
1764 * mips-tdump.c (main): Likewise.
1766 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1769 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1770 for composite type involving a zero-length array type.
1772 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1775 * function.c (match_asm_constraints_1): Skip over
1776 initial optional % in the constraint.
1779 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1780 supported, don't accept FIXED_CSTs.
1781 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1782 and _Sat is used without _Fract/_Accum. Set specs->type to
1783 integer_type_node for cts_fract/cts_accum if fixed point is not
1786 2009-02-02 Catherine Moore <clm@codesourcery.com>
1788 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1790 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1792 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1793 (ABI_HAS_64BIT_SYMBOLS): Use it.
1794 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1796 2009-02-02 Paul Brook <paul@codesourcery.com>
1798 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1800 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1803 * recog.h (asm_operand_ok): Add constraints argument.
1804 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1805 recurse on matching constraint.
1806 (check_asm_operands): Pass constraints as 3rd argument to
1807 asm_operand_ok. Don't look up matching constraint here.
1808 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1811 2009-02-02 Ben Elliston <bje@au.ibm.com>
1813 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1814 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1816 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1818 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1819 information. Remove some obsolete information. Reorganize.
1821 * config/pa/fptr.c: Revert license to GPL 2.
1822 * config/pa/milli64.S: Likewise.
1824 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1827 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1828 LIBRARY name in, instead of hard-coding it.
1829 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1830 extra target make frag to tmake_files according to EH model.
1831 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1832 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1833 frags that define makefile variable EH_MODEL appropriately.
1834 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1835 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1836 to "-sjlj" according to type of EH configured.
1837 (LIBGCC_SONAME): Concatenate it to shared library base name.
1838 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1839 to "_sjlj" according to type of EH configured.
1840 (LIBGCC_SONAME): Concatenate it to shared library base name.
1841 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1842 (SHLIB_LINK): Add missing semicolon to if-else construct.
1843 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1844 string value of "pe_dll" command-line option.
1845 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1846 (SHLIB_SONAME): Use it when overriding t-cygming default.
1847 (SHLIB_IMPLIB): Override t-cygming default.
1848 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1849 string value of "pe_dll" command-line option.
1851 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1854 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1855 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1857 2009-01-31 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/38937
1860 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1861 computing the transitive closure.
1863 2009-01-30 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/39041
1866 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1867 Propagate variable indices only if the types match for this stmt.
1869 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1872 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1873 inline but never defined.
1875 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1877 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1878 (*insv_h_di_reg_extimm): New insn.
1879 (*insv_l<mode>_reg_extimm): New insn.
1881 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1883 * config/picochip/picochip.c (flag_conserve_stack): set
1884 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1885 fconserve-stack. Reduce call-overhead used by inliner.
1887 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1890 * common.opt (flag_conserve_stack): Initialised to zero.
1892 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1895 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1896 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1899 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1901 * ira-color.c (allocno_reload_assign): Update comments.
1902 * regmove.c (regmove_optimize): Likewise.
1906 2009-01-29 Robert Millan <rmh@aybabtu.com>
1908 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1909 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1910 `MD_UNWIND_SUPPORT'.
1911 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1913 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1915 PR tree-optimization/39007
1916 * tree-loop-distribution.c (generate_builtin): Use
1917 recompute_dominator to compute the immediate dominator of the
1918 basic block just after the loop.
1920 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1922 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1923 (ASM_OUTPUT_DWARF_PCREL): Define.
1925 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1927 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1928 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1929 global. Modify entries about regmove and IRA.
1931 * ra-conflict.c: Remove the file.
1933 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1935 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1936 (pass_regclass_init): Rename to pass_reginfo_init.
1938 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1940 * toplev.h (flag_ira): Remove.
1942 * caller-save.c (setup_save_areas): Remove flag_ira.
1944 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1946 * global.c: Remove the file.
1948 * opts.c: (decode_options): Remove flag_ira.
1950 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1952 * regmove.c: Modify file description.
1953 (find_use_as_address, try_auto_increment): Define them only if
1954 AUTO_INC_DEC is defined.
1955 (replacement_quality, replace_in_call_usage, fixup_match_1,
1956 stable_and_no_regs_but_for_p): Remove.
1957 (reg_set_in_bb): Make it static.
1958 (regmove_optimize): Remove flag_ira and code which worked for
1961 * local-alloc.c: Remove the file.
1963 * common.opt (fira): Remove.
1965 * ira.c: Include except.h.
1966 (eliminable_regset): Move from global.c.
1967 (mark_elimination): Ditto. Remove flag_ira.
1968 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1969 equiv_mem_modified, validate_equiv_mem_from_store,
1970 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1971 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1972 no_equiv, recorded_label_ref): Move from local-alloc.c.
1973 (update_equiv_regs): Ditto. Make it static.
1974 (print_insn_chain, print_insn_chains): Move it from global.c.
1975 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1976 (build_insn_chain): Ditto. Make it static.
1977 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1978 Rename to init_live_subregs.
1979 (gate_ira): Remove flag_ira.
1981 * regclass.c: Rename reginfo.c. Change file description.
1982 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1983 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1984 (init_reg_sets_1): Remove code for evaluation of
1985 reg_class_superclasses and losing_caller_save_reg_set.
1986 (init_regs): Remove init_reg_autoinc.
1987 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1988 ok_for_base_p_nonstrict): Remove.
1989 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1990 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1991 corresponding entries.
1992 (dump_regclass, record_operand_costs, scan_one_insn,
1993 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1994 record_address_regs, auto_inc_dec_reg_p): Remove.
1995 (gt-regclass.h): Rename to gt-reginfo.h.
1997 * rtl.h (dump_global_regs, retry_global_alloc,
1998 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2000 * Makefile.in (RA_H): Remove.
2001 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2002 Rename regclass.o to reginfo.o.
2003 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2005 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2006 (GTFILES): Rename regclass.c to reginfo.c.
2008 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2009 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2011 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2012 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2014 (finish_spills): Ditto. Remove code for !flag_ira.
2016 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2019 * doc/invoke.texi (rtl debug options): Complete rewrite.
2020 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2022 * mode-switching.c (pass_mode_switching): Rename pass from
2023 "mode-sw" to "mode_sw".
2024 * except.c (pass_convert_to_eh_ranges): Rename pass from
2025 "eh-ranges" to "eh_ranges".
2026 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2030 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2031 Alexander Monakov <amonakov@ispras.ru>
2034 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2036 (move_exprs_to_boundary): Change return type and pass through
2037 should_move from move_op. Relax assert. Update usage ...
2038 (schedule_expr_on_boundary): ... here. Use should_move instead of
2040 (move_op_orig_expr_found): Indicate that insn was disconnected from
2042 (code_motion_process_successors): Do not call after_merge_succs
2043 callback if original expression was not found when traversing any of
2045 (code_motion_path_driver): Change return type. Update prototype.
2046 (move_op): Update comment. Add a new parameter (should_move). Update
2047 prototype. Set *should_move based on indication provided by
2048 move_op_orig_expr_found.
2050 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2052 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2053 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2054 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2055 * config/rs6000/rs6000.c (rs6000_override_options): Default
2056 avoid-indexed-addresses on for Power6, off for everything else.
2057 (avoiding_indexed_address_p): New function.
2058 (rs6000_legitimize_address): Use it.
2059 (rs6000_legitimate_address): Likewise.
2060 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2062 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2064 PR tree-optimization/38997
2065 * tree-loop-distribution.c (generate_memset_zero): Use
2066 POINTER_PLUS_EXPR for a pointer addition.
2068 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2070 * config/s390/s390.md (bswap<mode>2): New pattern added.
2072 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2074 * config/s390/s390.md (*tls_load_31): Added type attribute.
2076 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2078 * config/s390/s390.md: Fix a few comments.
2080 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2082 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2083 (*tm<mode>_full): Fixed z10prop attribute.
2084 (*tst<mode>_extimm): Fixed z10prop attribute.
2085 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2086 (*tstqiCCT_cconly): Fixed z10prop attribute.
2087 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2088 (*movsi_larl): Fixed z10prop attribute.
2089 (*movsi_zarch): Fixed z10prop attribute.
2090 (*movsi_eas): Fixed z10prop attribute.
2091 (*movhi): Fixed z10prop attribute.
2092 (*movqi): Fixed z10prop attribute.
2093 (*movstrictqi): Fixed z10prop attribute.
2094 (*mov<mode>): Fixed z10prop attribute.
2095 (*movcc): Fixed z10prop attribute.
2096 (*sethighpartdi_64): Fixed z10prop attribute.
2097 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2098 (*negdi2_sign_cc): Fixed z10prop attribute.
2099 (*negdi2_sign): Fixed z10prop attribute.
2100 (*absdi2_sign_cc): Fixed z10prop attribute.
2101 (*absdi2_sign): Fixed z10prop attribute.
2102 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2103 (*negabsdi2_sign): Fixed z10prop attribute.
2104 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2105 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2106 (doloop_si64): Fixed z10prop attribute.
2107 (doloop_si31): Fixed z10prop attribute.
2108 (doloop_long): Fixed z10prop attribute.
2109 (indirect_jump): Fixed z10prop attribute.
2110 (nop): Fixed z10prop attribute.
2111 (main_base_64): Fixed z10prop attribute.
2112 (reload_base_64): Fixed z10prop attribute.
2114 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2116 PR rtl-optimization/38740
2117 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2119 * config/mips/mips.c (mips_reorg): Likewise.
2121 2009-01-28 Richard Guenther <rguenther@suse.de>
2123 PR tree-optimization/38926
2124 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2125 with the correct value id to a value.
2126 (do_regular_insertion): Use the value number of edoubleprime
2127 for the value number of the expr.
2130 2008-08-21 Richard Guenther <rguenther@suse.de>
2132 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2133 a PHI ask VN if it is already available.
2134 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2135 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2137 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2140 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2141 set to varying whenever max has TREE_OVERFLOW set, similarly
2142 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2144 2009-01-28 Richard Guenther <rguenther@suse.de>
2147 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2148 uninitialized aggregate uses in call arguments.
2150 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2152 PR tree-optimization/38984
2153 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2154 the nothing_id variable if -fno-delete-null-pointer-checks.
2156 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2159 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2160 (set_got_offset_rex64): Ditto.
2162 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2165 * doc/extend.texi: Improve local variable with asm reg.
2167 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2169 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2170 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2171 was not supplied then set warn_packed_bitfield_compat to the
2173 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2176 2009-01-27 Richard Guenther <rguenther@suse.de>
2178 PR tree-optimization/38503
2179 * cfgexpand.c (expand_gimple_basic_block): Ignore
2180 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2181 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2182 variables that cannot have TBAA applied.
2183 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2186 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2189 * calls.c (initialize_argument_information): Do not wrap complex
2190 arguments in SAVE_EXPR.
2192 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2194 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2195 (INSTALL_LIBGCC): Revert typo commit.
2197 2009-01-26 Richard Guenther <rguenther@suse.de>
2199 PR tree-optimization/38745
2200 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2201 from special handling.
2203 2009-01-26 Richard Guenther <rguenther@suse.de>
2205 PR tree-optimization/38745
2206 * tree-ssa.c (execute_update_addresses_taken): Do not include
2207 variables that cannot possibly be a register in not_reg_needs.
2208 Do not clear TREE_ADDRESSABLE on vars that may not become
2210 * tree-ssa.c (update_alias_info_1): Include those in the set
2211 of addressable vars.
2213 2009-01-26 Richard Guenther <rguenther@suse.de>
2216 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2217 * tree-ssa-dse.c: Include langhooks.h
2218 (execute_simple_dse): Remove stores with zero size.
2220 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2223 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2226 2009-01-24 Julian Brown <julian@codesourcery.com>
2228 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2229 config/arm/linux-atomic.c.
2230 * config/arm/linux-atomic.c: New.
2232 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2234 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2235 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2236 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2238 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2241 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2244 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2246 PR tree-optimization/38953
2247 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2248 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2249 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2250 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2253 2009-01-24 Paul Brook <paul@codesourcery.com>
2255 * config/arm/neon.md (neon_type): Move to arm.md.
2256 (neon_mov<VSTRUCT>): Add neon_type attribute.
2257 * config/arm/arm.md (neon_type): Move to here.
2258 (conds): Add "unconditioal" and use as default for NEON insns.
2260 2009-01-24 Ben Elliston <bje@au.ibm.com>
2262 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2263 void *' warning from -Wc++-compat.
2264 * Makefile.in (dominance.o-warn): Remove.
2266 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2268 PR tree-optimization/38932
2269 * fold-const.c (fold_unary_ignore_overflow): New.
2270 * tree.h (fold_unary_ignore_overflow): Declare.
2271 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2272 * tree-ssa-sccvn.c (visit_reference_op_load,
2273 simplify_unary_expression): Likewise.
2275 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2277 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2278 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2279 regardless of their type.
2280 * c-common.c (handle_packed_attribute): Don't ignore packed on
2282 * c.opt (Wpacked-bitfield-compat): New warning option.
2283 * stor-layout.c (place_field): Warn if offset of a field changed.
2284 * doc/extend.texi (packed): Mention the ABI change.
2285 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2286 (Warning Options): Add it to the list.
2288 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2290 * c-opts.c (c_common_post_options): Fix a typo in comments.
2292 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2295 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2296 variables to static.
2297 * doc/invoke.texi (-fmerge-all-constants): Update description.
2299 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2302 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2303 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2305 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2307 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2309 (LOCAL_ALIGNMENT): Similarly.
2311 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2312 Joseph Myers <joseph@codesourcery.com>
2314 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2315 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2316 * config/arm/arm-tune.md: Regenerate.
2317 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2320 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2322 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2323 version number to five.
2325 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2328 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2329 * c-common.c (set_underlying_type): Likewise.
2330 (is_typedef_decl ): Likewise
2332 (set_underlying_type): Likewise.
2333 (is_typedef_type): Likewise.
2335 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2338 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2341 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2344 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2345 (LIBGCC_SPEC): Don't define.
2346 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2348 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2350 PR rtl-optimization/38879
2351 * alias.c (base_alias_check): Unaligned access via AND address can
2352 alias all surrounding object types except those with sizes equal
2353 or wider than the size of unaligned access.
2355 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2358 * c-decl.c: (clone_underlying_type): Move this ...
2359 * c-common.c (set_underlying_type): ... here.
2360 Also, make sure the function properly sets TYPE_STUB_DECL() on
2361 the newly created typedef variant type.
2362 (is_typedef_decl ): New entry point.
2363 * tree.h: Added a new member member_types_needing_access_check to
2364 struct tree_decl_non_common.
2365 (set_underlying_type): New entry point.
2366 (is_typedef_type): Likewise.
2368 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2370 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2371 Check whether two instructions have memory references that
2372 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2373 are helper functions for traversing.
2374 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2375 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2376 not to draw dependency edge for instructions with non-conflicting
2379 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2382 * longlong.h: Update copyright years. Use soft-fp license notice.
2383 Sync __clz_tab declaration with glibc.
2385 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2388 * doc/extend.texi (syscall_linkage): New.
2389 (version_id): Modify.
2391 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2392 Richard Guenther <rguenther@suse.de>
2394 PR tree-optimization/38747
2395 PR tree-optimization/38748
2396 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2397 conversion if the base address is an indirect reference and the
2398 aliasing sets could cause issues.
2400 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2402 * common.opt (fgraphite, fgraphite-identity): Add comment for
2403 explaining why these options are not documented.
2405 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2407 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2408 gimple_call_lhs is NULL.
2410 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2413 * emit-rtl.c (adjust_address_1): Make sure memref is never
2416 2009-01-20 Ben Elliston <bje@au.ibm.com>
2418 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2419 const qualifier from arg parameter. Remove unnecessary cast to char *.
2420 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2421 const qualifier from arg 2.
2423 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2425 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2427 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2430 * rtl.h (reinit_regs): New prototype.
2431 * regclass.c: Include ira.h.
2433 * Makefile.in (regclass.o): Add ira.h.
2434 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2436 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2439 * c-common.c (handle_aligned_attribute): Use
2440 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2441 default alignment value.
2443 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2445 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2446 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2448 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2449 __BIGGEST_ALIGNMENT__.
2451 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2453 2009-01-18 Richard Guenther <rguenther@suse.de>
2455 PR tree-optimization/38819
2456 * tree-flow.h (operation_could_trap_helper_p): Declare.
2457 * tree-eh.c (operation_could_trap_helper_p): Export.
2458 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2459 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2460 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2461 are about to insert a possibly trapping instruction and fail
2464 2009-01-18 Andreas Schwab <schwab@suse.de>
2466 * doc/install.texi (Configuration): Remove obsolete paragraph
2467 about use of --with-gnu-ld with --with-gnu-as.
2469 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2471 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2472 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2473 Follow spelling conventions.
2475 2009-01-18 Ben Elliston <bje@au.ibm.com>
2477 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2478 C++ warning about implicit conversion from void * to struct
2480 (bitmap_obstack_free): Likewise for bitmap_element *.
2481 * Makefile.in (bitmap.o-warn): Remove.
2483 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2485 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2487 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2488 Tobias Grosser <tobi.grosser@amd.com>
2490 * graphite.c (graphite_trans_scop_block): Do not block single
2493 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2495 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2496 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2497 test with assertion.
2499 2009-01-16 Richard Guenther <rguenther@suse.de>
2501 PR tree-optimization/38835
2503 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2504 and INT + PTR -> (INT)(PTR p+ INT) folding.
2505 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2507 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2510 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2511 the subreg from a lowpart subreg if it is also casting the value.
2513 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2514 Tobias Grosser <tobi.grosser@amd.com>
2516 * graphite.c (compare_prefix_loops): New.
2517 (build_scop_canonical_schedules): Rewritten.
2518 (graphite_transform_loops): Move build_scop_canonical_schedules
2519 after build_scop_iteration_domain.
2521 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2522 Tobias Grosser <tobi.grosser@amd.com>
2524 * graphite.c (add_conditions_to_domain): Add the loops to
2525 the dimension of the iteration domain. Do copy the domain
2526 only when it exists.
2527 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2528 (add_conditions_to_constraints): New.
2529 (can_generate_code_stmt, can_generate_code): Removed.
2530 (gloog): Do not call can_generate_code.
2531 (graphite_transform_loops): Call add_conditions_to_constraints
2532 after building the iteration domain.
2534 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2536 PR tree-optimization/38789
2537 * tree-ssa-threadedge.c
2538 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2539 __builtin_constant_p.
2541 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2543 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2544 examined before deleting them.
2546 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2548 * function.c (aggregate_value_p): Correctly extract the function
2549 type from CALL_EXPR_FN lookup.
2551 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2553 * config/picochip/picochip.c (picochip_override_options): Revert
2554 CFI asm flag disable commited previously.
2556 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2557 Tobias Grosser <tobi.grosser@amd.com>
2558 Jan Sjodin <jan.sjodin@amd.com>
2560 * graphite.c (scan_tree_for_params): On substractions negate
2561 all the coefficients of the term.
2562 (clast_to_gcc_expression_red): New. Handle reduction expressions
2563 of more than two operands.
2564 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2565 (get_vdef_before_scop): Handle also the case of default definitions.
2567 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2569 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2570 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2571 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2573 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2574 Joey Ye <joey.ye@intel.com>
2577 * cfgexpand.c (expand_stack_alignment): Don't update stack
2578 boundary nor check incoming stack boundary here.
2579 (gimple_expand_cfg): Update stack boundary and check incoming
2580 stack boundary here.
2582 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2584 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2586 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2588 PR rtl-optimization/38245
2589 * calls.c (expand_call): Add stack arguments to
2590 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2591 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2592 in regs and partially in memory or BLKmode arguments.
2593 (emit_library_call_value_1): Add stack arguments to
2594 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2595 ACCUMULATE_OUTGOING_ARGS).
2596 * dce.c: Include tm_p.h.
2597 (find_call_stack_args): New function.
2598 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2600 (mark_insn): Call find_call_stack_args for CALL_Ps.
2601 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2602 forwards. Allocate and free arg_stores bitmap if needed, pass it
2603 down to deletable_insn_p, don't mark stores set in arg_stores
2604 bitmap, clear the bitmap at the beginning of each bb.
2605 * Makefile.in (dce.o): Depend on $(TM_P_H).
2607 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2610 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2611 to make sure the insn is a conditional test (bug 22599). Reformat a
2614 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2617 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2618 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2619 (gloog): Do not call cleanup_tree_cfg.
2620 (graphite_transform_loops): Call cleanup_tree_cfg after all
2621 scops have been code generated.
2623 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2624 * doc/gty.texi (Invoking the garbage collector): Added new node
2625 and section documenting ggc_collect.
2627 2009-01-14 Richard Guenther <rguenther@suse.de>
2629 PR tree-optimization/38826
2631 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2632 initialization notes only if we actually emitted a warning.
2633 (intra_create_variable_infos): Add constraints for a result decl
2634 that is passed by hidden reference.
2635 (build_pred_graph): Mark all related variables non-direct on
2638 2009-01-14 Nick Clifton <nickc@redhat.com>
2640 * ira-conflicts.c: Include addresses.h for the definition of
2642 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2643 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2645 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2648 * Makefile.in (ira-lives.o): Add except.h.
2650 * ira-lives.c: Include except.h.
2651 (process_bb_node_lives): Process can_throw_internal.
2653 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2655 PR rtl-optimization/38774
2656 * combine.c (simplify_set): When undoing cc_use change, don't do
2657 PUT_CODE on the newly created comparison, but instead put back the
2660 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2662 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2663 values. Remove duplicate arm8 entry.
2665 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2667 PR tree-optimization/38786
2668 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2669 the SSA_NAME case of expand_scalar_variables_expr.
2670 Set the type of an expression to the type of its assign statement.
2671 (expand_scalar_variables_expr): Also gather the scalar computation
2672 used to index the memory access. Do not pass loop_p.
2673 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2674 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2675 the gimple_stmt_iterator where it inserts new code.
2677 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2678 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2680 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2682 * graphite.h (debug_value): Removed.
2683 * graphite.c (debug_value): Removed.
2685 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2687 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2688 ldrd/strd with two 32-bit instructions.
2690 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2692 * config/arm/arm.c (struct processors): Pass for speed down into
2693 cost helper functions.
2694 (const_ok_for_op): Handle COMPARE and inequality nodes.
2695 (arm_rtx_costs_1): Rewrite.
2696 (arm_size_rtx_costs): Update prototype.
2697 (arm_rtx_costs): Pass speed down to helper functions.
2698 (arm_slowmul_rtx_costs): Rework cost calculations.
2699 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2700 (arm_9e_rtx_costs): Likewise.
2702 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2704 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2705 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2706 (alpha_legitimize_address): Do not split local symbols wider than
2707 UNITS_PER_WORD into HIGH/LO_SUM parts.
2709 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2712 * gcc.c (process_command): Replace call to execvp with calls
2713 to pex_one and exit.
2715 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2718 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2719 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2720 variant for devices with 3-byte PC.
2721 (__tablejump_elpm__) : New.
2723 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2726 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2727 offsetof member-designator, handle it as `[0].'.
2729 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2731 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2732 function when not using named sections on targets with named sections
2733 if branch distance is less than 262132.
2735 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2737 * combine.c (combine_instructions): Recompute
2738 optimize_this_for_speed_p for each BB in the main combine loop.
2740 2009-01-12 Tomas Bily <tbily@suse.cz>
2743 * tree-loop-distribution.c (prop_phis): New function.
2744 (generate_builtin): Call prop_phis.
2745 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2747 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2749 PR tree-optimization/38807
2750 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2751 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2753 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2755 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2756 subreg of op0 to the original op0.
2758 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2760 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2762 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2765 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2766 starting with digits.
2768 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2771 * config/arm/arm.c (arm_is_long_call_p): Don't call
2772 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2774 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2776 * regrename.c (regrename_optimize): Fix dumping.
2777 (find_oldest_value_reg): Preserve REG_POINTER.
2778 (copy_hardreg_forward_1): Likewise.
2780 2009-01-09 Diego Novillo <dnovillo@google.com>
2782 * gimple.h (struct gimple_statement_base) <uid>: Document
2783 the restrictions on its use.
2785 (gimple_set_uid): Tidy.
2787 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2789 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2790 zero guard even if align_bytes != 0 and count is smaller than
2793 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2795 PR rtl-optimization/38495
2796 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2797 (add_range_and_copies_from_move_list): Print all added ranges.
2798 Add ranges to memory optimized destination.
2800 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2804 * config/i386/i386.c (override_options): Reject
2805 -mstringop-strategy=rep_8byte with -m32.
2806 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2807 to 1. Do count comparison against epilogue_size_needed at compile
2808 time even when count_exp was constant forced into register. For
2809 size_needed don't jump to epilogue, instead just avoid aligning
2810 and invoke the body algorithm. If need_zero_guard, add zero guard
2811 even if count is non-zero, but smaller than size_needed + number of
2812 bytes that could be stored for alignment.
2813 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2814 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2815 but smaller than size_needed + number of bytes that could be stored
2816 for alignment. Compare size_needed with epilogue_size_needed instead
2817 of desired_align - align, don't adjust size_needed, pass
2818 epilogue_size_needed to the epilogue expanders.
2821 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2823 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2825 * pa.c (last_address): Change to unsigned.
2826 (update_total_code_bytes): Change argument to unsigned. Don't
2827 check if insn addresses are set.
2828 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2829 addresses are not set.
2830 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2832 2009-01-09 Nick Clifton <nickc@redhat.com>
2834 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2835 DECL_DECLARED_INLINE_P.
2837 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2840 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2841 GET_MODE (op0) in operand_subword_force calls.
2844 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2845 fold_convert arg0 operands to TREE_TYPE (op0) first.
2847 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2849 * params.def (ira-max-conflict-table-size): Decrease default value
2852 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2854 PR tree-optimization/37031
2855 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2857 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2858 allocate it using gc instead of heap, use VEC_quick_push instead of
2860 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2861 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2862 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2863 allocated vector from heap allocated.
2864 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2865 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2866 vector only after perfect_loop_nest_depth call.
2868 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2869 Jan Sjodin <jan.sjodin@amd.com>
2871 PR tree-optimization/38559
2872 * graphite.c (debug_value, copy_constraint,
2873 swap_constraint_variables, scale_constraint_variable, ): New.
2874 (get_lower_bound, get_upper_bound): Removed.
2875 (graphite_trans_bb_strip_mine): Clean up this code that works
2876 only for constant number of iterations. Fully copy upper and
2877 lower bound constraints, not only the constant part of them.
2878 * graphite.h (debug_value): Declared.
2880 2009-01-08 Ira Rosen <irar@il.ibm.com>
2882 PR tree-optimization/37194
2883 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2884 Don't add the cost of cost model guard in prologue to scalar
2885 outside cost in case of known number of iterations.
2887 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2888 Alan Modra <amodra@bigpond.net.au>
2890 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2891 non-word-aligned REG+CONST addressing.
2893 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2896 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2897 free_after_compilation when outputting a thunk.
2898 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2899 Do not call free_after_compilation here.
2901 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2903 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2904 (ix86_valid_target_attribute_inner_p): Ditto.
2906 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2908 PR tree-optimization/38492
2909 PR tree-optimization/38498
2910 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2911 * tree-chrec.h (scev_is_linear_expression): Declared.
2912 * graphite.c (graphite_cannot_represent_loop_niter): New.
2913 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2914 (graphite_loop_normal_form): Use gcc_assert.
2915 (scan_tree_for_params): Use CASE_CONVERT.
2916 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2917 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2918 Use gcc_assert. Discard scops that contain unhandled cases.
2919 (build_scop_conditions): Return a boolean status for unhandled cases.
2920 (strip_mine_profitable_p): Print the loop number, not its depth.
2921 (is_interchange_valid): Pass the depth of the loop nest, don't
2922 recompute it wrongly.
2923 (graphite_trans_bb_block): Same.
2924 (graphite_trans_bb_block): Print tentative of loop blocking.
2925 (graphite_trans_scop_block): Do not print that the loop has been
2927 (graphite_transform_loops): Do not handle scops that contain condition
2930 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2932 AVX Programming Reference (December, 2008)
2933 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2934 (_mm256_stream_pd): Likewise.
2935 (_mm256_stream_ps): Likewise.
2937 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2938 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2939 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2940 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2941 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2942 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2943 (ix86_expand_special_args_builtin): Likewise.
2945 * config/i386/sse.md (AVXMODEDI): New.
2946 (avx_movnt<mode>): Likewise.
2947 (avx_movnt<mode>): Likewise.
2948 (<sse>_movnt<mode>): Remove AVX support.
2949 (sse2_movntv2di): Likewise.
2951 2009-01-07 Richard Guenther <rguenther@suse.de>
2954 * fold-const.c (extract_muldiv): Remove obsolete comment.
2955 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2956 to PLUS_EXPR canonicalization for the canonicalization.
2958 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2960 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2961 hosted cross-compilers generating less efficient code.
2963 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2965 * function.h (rtl_data): Add a dbr_scheduled_p field.
2966 * reorg.c (dbr_schedule): Set it.
2967 (gate_handle_delay_slots): Check it.
2968 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2969 (mips_reorg): Check flag_delayed_branch instead of
2970 mips_base_delayed_branch.
2971 (mips_override_options): Don't set mips_base_delayed_branch
2972 or flag_delayed_branch.
2974 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2976 PR rtl-optimization/38426.
2977 * ira.c (ira): Set current_function_is_leaf earlier.
2979 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2981 PR rtl-optimization/38722
2982 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2983 too early, only set a flag and modify after last possible
2986 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2989 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2990 * real.c (decimal_single_format): Correct values of emin and emax.
2991 (decimal_double_format): Ditto.
2992 (decimal_quad_format): Ditto.
2993 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2994 computation of DECnn_MIN and DECnn_MAX for corrected values of
2995 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2996 __DECnn_MIN__, and adjust its computation for the corrected value
2999 2009-01-06 Jan Hubicka <jh@suse.cz>
3002 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3004 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3006 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3007 Add Robert Clark to the list of testers.
3009 2009-01-06 Jan Hubicka <jh@suse.cz>
3010 Kai Tietz <kai.tietz@onevision.com>
3012 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3013 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3015 2009-01-06 Jan Hubicka <jh@suse.cz>
3016 Kai Tietz <kai.tietz@onevision.com>
3018 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3020 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3021 (ix86_nsaved_regs): Count only general purpose regs.
3022 (ix86_nsaved_sseregs): New.
3023 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3024 to 16 for w64; compute padding and size of sse reg save area.
3025 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3026 general purpose regs.
3027 (ix86_emit_save_sse_regs_using_mov): New.
3028 (ix86_expand_prologue): Save SSE regs if needed.
3029 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3030 (ix86_emit_restore_sse_regs_using_mov): New.
3031 (ix86_expand_epilogue): Save SSE regs if needed.
3033 2009-01-06 Jan Hubicka <jh@suse.cz>
3034 Kai Tietz <kai.tietz@onevision.com>
3036 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3037 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3038 functions when accumulate outgoing args is off.
3040 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3043 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3044 before using pseudos_have_intersected_live_ranges_p.
3046 * ira-int.h (ira_assert): Always define.
3048 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3050 AVX Programming Reference (December, 2008)
3051 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3052 (_mm256_permute2_pd): Likewise.
3053 (_mm_permute2_ps): Likewise.
3054 (_mm256_permute2_ps): Likewise.
3055 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3056 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3058 * config/i386/i386.c (ix86_builtins): Remove
3059 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3060 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3061 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3062 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3063 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3064 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3065 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3066 __builtin_ia32_vpermil2ps256.
3067 (ix86_init_mmx_sse_builtins): Updated.
3068 (ix86_expand_args_builtin): Likewise.
3070 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3072 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3073 long absolute calls when generating PA 2.0 code.
3075 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3077 PR rtl-optimization/38583
3078 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3080 * params.def (ira-max-conflict-table-size): New.
3082 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3084 * ira.h (ira_conflicts_p): New external definition.
3086 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3087 table. Report this. Return result of building.
3088 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3089 building conflict table.
3091 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3092 (ira_color): Use ira_conflicts_p.
3094 * global.c: Include ira.h.
3095 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3098 * Makefile.in (global.o): Add ira.h.
3100 * ira-build.c (mark_all_loops_for_removal,
3101 propagate_some_info_from_allocno): New.
3102 (remove_unnecessary_allocnos): Call
3103 propagate_some_info_from_allocno.
3104 (remove_low_level_allocnos): New.
3105 (remove_unnecessary_regions): Add parameter. Call
3106 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3107 parameter to remove_unnecessary_regions.
3108 (ira_build): Remove all regions but root if the conflict table was
3109 not built. Update conflict hard regs for allocnos crossing calls.
3111 * ira.c (ira_conflicts_p): New global.
3112 (ira): Define and use ira_conflicts_p.
3114 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3115 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3116 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3118 2009-01-06 Ben Elliston <bje@au.ibm.com>
3120 * gengtype-lex.l (YY_NO_INPUT): Define.
3122 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3125 * c-common.c (handle_vector_size_attribute): Also reject
3128 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3130 PR tree-optimization/38492
3131 * graphite.c (rename_map_elt, debug_rename_elt,
3132 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3133 rename_map_elt_info, eq_rename_map_elts,
3134 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3135 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3136 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3137 (sese_build_livein_liveouts): New.
3138 (new_sese, free_sese): New.
3139 (new_scop): Call new_sese.
3140 (free_scop): Call free_sese.
3141 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3142 (register_old_new_names): Renamed register_old_and_new_names.
3143 (register_scop_liveout_renames, add_loop_exit_phis,
3144 insert_loop_close_phis, struct igp,
3145 default_liveout_before_guard, add_guard_exit_phis,
3146 insert_guard_phis, copy_renames): New.
3147 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3148 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3149 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3150 (scop_adjust_phis_for_liveouts): New.
3151 (gloog): Call scop_adjust_phis_for_liveouts.
3153 * graphite.h (struct sese): Documented. Added fields liveout,
3155 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3156 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3157 (struct scop): Added field liveout_renames.
3158 (SCOP_LIVEOUT_RENAMES): New.
3160 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3162 PR tree-optimization/38510
3163 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3164 (translate_clast): Call recompute_all_dominators before
3166 (gloog): Call recompute_all_dominators before graphite_verify.
3168 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3169 Jan Sjodin <jan.sjodin@amd.com>
3171 PR tree-optimization/38500
3172 * graphite.c (create_sese_edges): Call fix_loop_structure after
3175 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3177 * config.gcc: Add m32r*-*-rtems*.
3178 * config/m32r/rtems.h: New file.
3180 2009-01-05 Ben Elliston <bje@au.ibm.com>
3182 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3183 (.po.pox): Likewise.
3184 (po/gcc.pot): Likewise.
3186 2009-01-04 David S. Miller <davem@davemloft.net>
3188 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3189 (STARTING_FRAME_OFFSET): Always set to zero.
3191 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3193 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3194 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3195 fixed-point types, and vectors of the same.
3197 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3199 * config/mips/sync.md (*mb_barrier): Rename to...
3200 (*memory_barrier): ...this.
3202 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3204 * doc/extend.texi (Function Attributes): Move @cindex after @item
3205 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3206 and put in alphabetical order. Fix 'target' name and put in order.
3207 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3210 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3212 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3213 (memory_barrier): Expand as unspec instead of unspec_volatile.
3214 Remove mem:BLK from insn operands. Use Pmode scratch register.
3215 (*memory_barrier): Define as unspec instead of unspec_volatile.
3216 Use (match_dup 0) as input operand.
3218 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3219 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3220 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3221 scratch register. Remove operand 1.
3222 (*stbar): Define as unspec instead of unspec_volatile.
3223 Use (match_dup 0) as input operand, remove (const_int 8).
3224 (*membar): Define as unspec instead of unspec_volatile.
3225 Use (match_dup 0) as input operand, remove input operand 2.
3227 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3228 (memory_barrier): Expand as unspec instead of unspec_volatile.
3229 Remove mem:BLK from insn operands. Use Pmode scratch register.
3230 (*memory_barrier): Define as unspec instead of unspec_volatile.
3231 Use (match_dup 0) as input operand.
3233 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3234 Remove mem:BLK from insn operands. Use Pmode scratch register.
3235 Set volatile flag on operand 0.
3236 (*memory_barrier): New insn pattern.
3238 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3240 (*memory_barrier): Use (match_dup 0) as input operand.
3242 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3243 Remove mem:BLK from insn operands. Use Pmode scratch register.
3244 Set volatile flag on operand 0.
3245 (*mb_internal): New insn pattern.
3247 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3249 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3252 * function.c (struct temp_slot): Move to the section of the file
3253 that deals with temp slots. Remove field 'address'.
3254 (temp_slot_address_table): New hash table of address -> temp slot.
3255 (struct temp_slot_address_entry): New struct, items for the table.
3256 (temp_slot_address_compute_hash, temp_slot_address_hash,
3257 temp_slot_address_eq, insert_temp_slot_address): Support functions
3259 (find_temp_slot_from_address): Rewrite to use the new hash table.
3260 (remove_unused_temp_slot_addresses): Remove addresses of temp
3261 slots that have been made available.
3262 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3263 worker function for remove_unused_temp_slot_addresses.
3264 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3265 Add the temp slot address to the address -> temp slot map.
3266 (update_temp_slot_address): Update via insert_temp_slot_address.
3267 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3268 (pop_temp_slots): Likewise.
3269 (init_temp_slots): Allocate the address -> temp slot map, or empty
3270 the map if it is already allocated.
3271 (prepare_function_start): Initialize temp slot processing.
3273 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3276 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3277 Calculate the size of all stack vars assuming no packing of stack
3278 vars will happen, replacing a quadratic algorithm with a linear one.
3280 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3283 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3286 2009-01-03 Diego Novillo <dnovillo@google.com>
3288 * doc/contrib.texi: Update contributions.
3290 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3293 * builtins.c (fold_builtin_memory_op): Give up if either operand
3294 is volatile. Set srctype or desttype to non-qualified version
3298 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3301 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3303 PR rtl-optimization/35805
3304 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3305 problem if fast dce is able to remove any instructions.
3306 * dce.c (dce_process_block): Fix dump message.
3308 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3311 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3313 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3316 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3317 * tree-pretty-print.c (op_code_prio): New function.
3318 (op_prio): No longer static. Use op_code_prio.
3319 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3320 Use op_prio and op_code_prio to determine if () should be
3321 printed around operand(s) or not.
3323 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3324 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3325 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3326 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3327 pp_character instead of pp_string for single letter printing.
3329 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3331 * doc/extend.texi: Fix '#pragma GCC option' typo.
3333 2009-01-02 Richard Guenther <rguenther@suse.de>
3335 * doc/install.texi (--enable-checking): Mention different
3337 (--enable-stage1-checking): Document.
3339 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3342 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3343 case to be an error.
3345 2009-01-02 Ben Elliston <bje@au.ibm.com>
3347 * config/fp-bit.h (pack_d): Constify argument.
3348 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3349 (isnan): Constify argument.
3353 (_fpadd_parts): Constify return type.
3354 (_fpmul_parts): Likewise.
3355 (_fpdiv_parts): Likewise.
3357 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3360 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3361 warn about overwriting initializer with side-effects or
3362 -Woverride-init if !IMPLICIT.
3363 (output_init_element): Likewise. Pass IMPLICIT down to
3365 (process_init_element): Add IMPLICIT argument. Pass it down
3366 to output_init_element.
3367 (push_init_element, pop_init_level, set_designator): Adjust
3368 process_init_element callers.
3369 (set_nonincremental_init, set_nonincremental_init_from_string):
3370 Adjust add_pending_init callers.
3371 (output_pending_init_elements): Adjust output_init_element callers.
3372 * c-tree.h (process_init_element): Adjust prototype.
3373 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3374 process_init_element callers.
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