1 2009-03-27 Xinliang David Li <davidxl@google.com>
3 PR tree-optimization/39557
4 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
6 2009-03-27 Xinliang David Li <davidxl@google.com>
8 PR tree-optimization/39548
9 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
12 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
14 * c-common.c (pointer_int_sum): Use %wd on return from
17 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
19 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
20 on return from tree_low_cst.
22 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
25 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
27 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
30 * builtins.h (c_strlen): Do not warn here.
31 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
32 * c-common.c (pointer_int_sum): Take an explicit location.
33 Warn about offsets out of bounds.
34 * c-common.h (pointer_int_sum): Adjust declaration.
36 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
38 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
41 2009-03-26 Jakub Jelinek <jakub@redhat.com>
44 * opts.c (warn_if_disallowed_function_p): Don't assume
45 get_callee_fndecl must return non-NULL.
47 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
49 PR rtl-optimization/39522
50 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
51 when reg_reloaded_valid is set.
53 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
55 * config/spu/divv2df3.c: New file.
56 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
57 (DPBIT_FUNCS): Filter out _div_df.
59 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
61 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
62 a jump insn, count that jump in the distance to the loop start.
64 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
67 * config/sh/sh.c (calc_live_regs): Fix condition for global
68 registers except PIC_OFFSET_TABLE_REGNUM.
70 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
73 * doc/invoke.texi (-mconsole): New.
77 (-mnop-fun-dllimport): New.
81 (sub section "i386 and x86-64 Windows Options"): New.
83 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
85 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
86 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
88 2009-03-25 Richard Guenther <rguenther@suse.de>
91 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
94 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
96 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
97 neither of haifa/selective schedulers are working.
99 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
101 * doc/invoke.texi (Debugging Options): Fix description of
102 -fno-merge-debug-strings.
104 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
106 * config/cris/libgcc.ver: New version-script.
107 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
109 * configure.ac <GAS features, nop mnemonic>: Add pattern
110 crisv32-*-* for "nop".
111 <GAS features, Thread-local storage>: Add item for CRIS and
113 * configure: Regenerate.
115 2009-03-24 Ira Rosen <irar@il.ibm.com>
117 PR tree-optimization/39529
118 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
119 mark_sym_for_renaming for the tag copied to the new vector
122 2009-03-24 Arthur Loiret <aloiret@debian.org>
124 * config.host (alpha*-*-linux*): Use driver-alpha.o and
126 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
127 EXTRA_SPEC_FUNCTIONS.
128 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
129 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
130 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
131 -march and -mtune options.
133 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
135 * config/m68k/t-rtems: Add m5329 multilib.
137 2009-03-24 Dodji Seketeli <dodji@redhat.com>
138 Jakub Jelinek <jakub@redhat.com>
141 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
144 2009-03-23 Jakub Jelinek <jakub@redhat.com>
147 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
148 instead of c_parser_expression_conv, if original_code isn't one of the
149 4 allowed comparison codes, fail.
151 2009-03-23 Richard Guenther <rguenther@suse.de>
153 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
154 * tree.h (struct tree_type): Likewise.
155 * reload.h (struct insn_chain): Likewise.
156 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
157 * function.h (struct function): Likewise.
158 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
160 2009-03-23 Jakub Jelinek <jakub@redhat.com>
162 PR tree-optimization/39516
163 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
165 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
167 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
168 should be set true if BITS_PER_WORD of target is bigger than 32
170 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
172 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
173 Translate -B-options to -rpath-link. Correct existing
174 rpath-link and conditionalize on !nostdlib.
176 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
178 * doc/extend.texi (Function Attributes, Variable Attributes):
180 * doc/invoke.texi (Debugging Options, Optimize Options)
181 (i386 and x86-64 Options, MCore Options): Likewise.
183 2009-03-20 Jakub Jelinek <jakub@redhat.com>
186 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
187 it for block local namespace aliases.
188 (gen_decl_die): Pass context_die to gen_namespace_die.
190 2009-03-19 Jakub Jelinek <jakub@redhat.com>
193 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
194 minimum or maximum value.
196 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
198 * reginfo.c (globalize_reg): Recompute derived reg sets.
200 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
203 * libgcc2.c (mprotect): Do not use signed arguments for
204 VirtualProtect, use DWORD arguments. Also fix the 'may
205 be used uninitialized' warning for the np variable.
207 2009-03-19 Jakub Jelinek <jakub@redhat.com>
210 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
211 functions using regparm calling conventions when not optimizing.
212 (ix86_function_sseregparm): Similarly for sseregparm calling
215 2009-03-19 Li Feng <nemokingdom@gmail.com>
218 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
219 dependence if the first conflict is after niter iterations.
221 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
224 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
225 functions with dynamic stack-pointer adjustments.
227 2009-03-19 Ben Elliston <bje@au.ibm.com>
229 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
230 option; change to -msdata=data.
232 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
234 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
237 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
240 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
242 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
244 * doc/invoke.texi (Code Gen Options): Expand discussion of
247 2009-03-18 Jakub Jelinek <jakub@redhat.com>
249 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
250 * matrix-reorg.c (struct matrix_info): Likewise.
251 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
252 * rtl.h (struct mem_attrs): Likewise.
253 * df.h (struct df): Likewise.
254 * tree-data-ref.h (struct data_dependence_relation): Likewise.
255 * ira-int.h (struct ira_allocno): Likewise.
256 * df-scan.c (struct df_collection_rec): Likewise.
257 * ira.c (struct equivalence): Likewise.
258 * function.c (struct temp_slot): Likewise.
259 * cfgloop.h (struct loop): Likewise.
262 * function.c (use_register_for_decl): When not optimizing, disregard
263 register keyword for variables with types containing methods.
265 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
268 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
269 (is_simple_operand): Call contains_component_ref_p before calling data
270 reference analysis that would fail on COMPONENT_REFs.
272 * tree-vrp.c (search_for_addr_array): Fix formatting.
274 2009-03-18 Richard Guenther <rguenther@suse.de>
276 * tree-vect-transform.c (vect_loop_versioning): Fold the
277 generated comparisons.
278 * tree-vectorizer.c (set_prologue_iterations): Likewise.
279 (slpeel_tree_peel_loop_to_edge): Likewise.
281 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
284 * opts.c (print_specific_help): In addition to `undocumented',
285 accept `separate' and `joined' flags if passed alone. Describe
286 output by the first matched one of those.
287 (common_handle_option): Skip over empty strings.
288 * gcc.c (display_help): Fix help string for `--help='.
289 * doc/invoke.texi (Option Summary, Overall Options): With
290 `--help=', classes and qualifiers can both be repeated, but
291 only the latter can be negated. One should not pass only
292 negated qualifiers. Fix markup and examples.
295 2008-10-14 Jakub Jelinek <jakub@redhat.com>
297 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
300 2009-03-17 Jing Yu <jingyu@google.com>
303 * function.h (struct rtl_data): Move is_thunk from here...
304 (struct function): ...to here.
305 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
306 * varasm.c (assemble_start_function): Change is_thunk from crtl to
308 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
310 (alpha_does_function_need_gp, alpha_start_function): Likewise.
311 (alpha_output_function_end_prologue): Likewise.
312 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
313 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
314 (rs6000_output_function_epilogue): Likewise.
315 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
317 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
320 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
321 from different units in a single alternative.
322 (*truncdfsf_i387): Ditto.
323 (*truncxfsf2_mixed): Ditto.
324 (*truncxfdf2_mixed): Ditto.
326 2009-03-17 Jakub Jelinek <jakub@redhat.com>
328 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
329 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
332 * tree-ssa-live.c (remove_unused_locals): Don't remove local
333 unused non-artificial variables when not optimizing.
336 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
337 DW_TAG_imported_module even if decl is IMPORTED_DECL with
338 NAMESPACE_DECL in its DECL_INITIAL.
341 * optabs.c (set_user_assembler_libfunc): New function.
342 * expr.h (set_user_assembler_libfunc): New prototype.
343 * c-common.c: Include libfuncs.h.
344 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
345 for memcmp, memset, memcpy, memmove and abort.
346 * Makefile.in (c-common.o): Depend on libfuncs.h.
349 * dwarf2out.c (gen_inlined_enumeration_type_die,
350 gen_inlined_structure_type_die, gen_inlined_union_type_die,
351 gen_tagged_type_instantiation_die): Removed.
352 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
355 2009-03-17 Janis Johnson <janis187@us.ibm.com>
358 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
360 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
361 (check-parallel-%): Ditto.
362 (check-consistency): Ditto.
364 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
366 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
367 local variable rhs by NULL_TREE.
369 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
372 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
374 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
377 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
379 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
382 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
383 for ms->sysv ABI calls only in 64bit mode.
385 * config/i386/i386.md (untyped_call): Support 32bit.
387 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
389 * doc/extend.texi: Replace x86_65 with x86_64.
391 2009-03-16 Jakub Jelinek <jakub@redhat.com>
393 PR tree-optimization/39455
394 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
395 mismatches for POINTER_TYPE_P (type).
396 (number_of_iterations_le): Likewise.
398 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
400 * config/picochip/picochip.c: Removed profiling support.
401 * config/picochip/picochip.md: Removed profiling instruction.
402 * config/picochip/picochip.h: Removed profiling builtin.
404 2009-03-16 Joseph Myers <joseph@codesourcery.com>
406 * doc/install.texi (--with-host-libstdcxx): Document.
408 2009-03-14 Anatoly Sokolov <aesok@post.ru>
411 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
412 generate a warning if the function name does not begin with
413 "__vector" and the function has either the 'signal' or 'interrupt'
414 attribute, from here to ...
415 (avr_declare_function_name): ...here. New function.
416 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
417 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
419 2009-03-14 Jakub Jelinek <jakub@redhat.com>
422 * cse.c (fold_rtx): Don't modify original const_arg1 when
423 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
424 separate variable instead.
425 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
426 from out of range shift counts.
427 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
429 2008-03-13 Catherine Moore <clm@codesourcery.com>
431 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
432 diagnostic.h with $(DIAGNOSTIC_H).
434 2008-03-12 Jakub Jelinek <jakub@redhat.com>
437 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
439 * config/i386/sync.md (sync_compare_and_swap<mode>,
440 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
441 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
443 (sync_double_compare_and_swapdi_pic,
444 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
445 cmpxchg8b_pic_memory_operand instead of just memory_operand.
447 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
450 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
452 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
455 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
456 (avx_addsubv4df3): Likewise.
457 (*avx_addsubv4sf3): Likewise.
458 (sse3_addsubv4sf3): Likewise.
460 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
463 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
465 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
468 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
469 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
470 registers for allocnos created from user-defined variables.
472 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
475 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
476 of non-integer mode as well.
478 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
480 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
481 for functions for which the parameter types are unknown.
483 2009-03-11 Jakub Jelinek <jakub@redhat.com>
486 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
487 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
488 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
489 * config/i386/i386.c (ix86_local_alignment): For
490 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
491 long long variables on the stack to avoid dynamic realignment.
492 Allow the first argument to be a decl rather than type.
493 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
495 2009-03-11 Nick Clifton <nickc@redhat.com>
498 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
500 Add description to mno-lsim option.
501 * config/mcore/mcore.h: Remove comment about deprecated m4align
503 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
504 * doc/invoke.texi: Add description of mno-lsim and
505 mstack-increment options.
507 * config/fr30/fr30.opt: Document the -mno-lsim option.
508 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
509 and -mno-lsim options.
511 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
513 * fold-const.c (fold_comparison): Only call fold_inf_compare
514 if the mode supports infinities.
516 2009-03-11 Jason Merrill <jason@redhat.com>
519 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
520 end already did. Notice GIMPLE_CALL modifications of the result.
521 Don't copy debug information from an ignored decl or a decl from
524 2009-03-10 Richard Guenther <rguenther@suse.de>
525 Nathan Froyd <froydnj@codesourcery.com>
528 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
529 (__divMODE3): Likewise.
531 2009-03-09 Jakub Jelinek <jakub@redhat.com>
533 PR tree-optimization/39394
534 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
535 DECL_SIZE_UNIT of variable length FIELD_DECLs.
537 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
539 * recog.c (verfiy_changes): Disallow renaming of hard regs in
540 inline asms for register asm ("") declarations.
542 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
544 * fold-const.c (fold_unary): Fix comment.
546 2009-03-07 Jan Hubicka <jh@suse.cz>
549 * tree-inline.c (setup_one_parameter): Do replacement of const
550 argument by constant in SSA form.
552 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
555 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
556 determine alignment passed to assign_stack_local.
557 (assign_parms_unsplit_complex): Likewise.
558 * except.c (sjlj_build_landing_pads): Likewise.
560 2009-03-06 Jakub Jelinek <jakub@redhat.com>
563 * tree-flow.h (add_referenced_var): Return bool instead of void.
564 * tree-dfa.c (add_referenced_var): Return result of
565 referenced_var_check_and_insert call.
566 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
567 of referenced_var_check_and_insert.
570 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
571 (gen_variable_die): Emit DW_AT_location on abstract static variable's
572 DIE, don't emit it if abstract origin already has it.
573 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
574 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
576 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
578 * genpreds.c: (needs_variable): Fix parentheses at variable name
580 (write_tm_constrs_h): Indent generated code.
582 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
584 * doc/extend.texi (Function Attributes): Add documentation
587 2009-03-06 Jakub Jelinek <jakub@redhat.com>
590 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
591 take locus from its DECL_SOURCE_LOCATION instead of input_location.
593 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
595 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
598 2009-03-05 Jakub Jelinek <jakub@redhat.com>
601 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
602 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
604 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
606 * config/i386/i386.md (R8_REG, R9_REG): New constants.
607 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
608 constants instead of magic numbers.
609 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
611 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
612 (x86_64_ms_abi_int_parameter_registers): Ditto.
613 (x86_64_int_return_registers): Ditto.
614 (ix86_maybe_switch_abi): Ditto.
615 (ix86_expand_call): Ditto for clobbered_registers array.
616 (ix86_hard_regno_mode_ok): Ditto.
617 (x86_extended_QIreg_mentioned_p): Ditto.
619 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
621 PR tree-optimization/39349
622 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
624 * combine.c (gen_lowpart_for_combine): Use omode when generating
627 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
629 PR rtl-optimization/39235
630 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
632 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
634 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
636 2009-03-04 Richard Guenther <rguenther@suse.de>
638 PR tree-optimization/39362
639 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
640 that occur in abnormal PHIs should be varying.
642 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
644 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
646 (simple_iv): Take loop as an argument instead of statement.
647 * tree-scalar-evolution.h (simple_iv): Declaration changed.
648 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
650 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
652 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
653 * matrix-reorg.c (analyze_transpose): Ditto.
654 * tree-data-ref.c (dr_analyze_innermost): Ditto.
655 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
656 * tree-predcom.c (ref_at_iteration): Ditto.
657 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
659 2009-03-04 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/39358
662 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
663 escaped_id and callused_id.
664 (solve_graph): Likewise.
666 2009-03-04 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/39339
669 * tree-sra.c (try_instantiate_multiple_fields): Make it
670 no longer ICE on the above.
672 2009-03-03 Joseph Myers <joseph@codesourcery.com>
674 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
675 that fits within Pmode.
677 2009-03-03 Steve Ellcey <sje@cup.hp.com>
680 * tm.texi (LIBCALL_VALUE): Update description.
682 2009-03-03 Steve Ellcey <sje@cup.hp.com>
685 * doc/extend.texi (section): Update description.
687 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
690 * tree-inline.c (remapped_type): New.
691 (can_be_nonlocal): Call remapped_type instead of remap_type.
693 2009-03-03 Jakub Jelinek <jakub@redhat.com>
696 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
697 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
699 2009-03-03 Richard Guenther <rguenther@suse.de>
702 * tree.c (tree_nonartificial_location): New function.
703 * tree.h (tree_nonartificial_location): Declare.
704 * builtins.c (expand_builtin_memory_chk): Provide location
705 of the call location for artificial function pieces.
706 (maybe_emit_chk_warning): Likewise.
707 (maybe_emit_sprintf_chk_warning): Likewise.
708 (maybe_emit_free_warning): Likewise.
709 * expr.c (expand_expr_real_1): Likewise.
711 2009-03-03 Jakub Jelinek <jakub@redhat.com>
713 PR tree-optimization/39343
714 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
715 COMPONENT_REF t has ARRAY_TYPE.
717 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
720 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
721 when the type precision of the induction variable should be
722 larger than the type precision of nit.
723 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
724 * graphite.c (graphite_loop_normal_form): Same.
725 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
727 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
729 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
730 (*call_1_rex64_ms_sysv): Use named constants instead of magic
731 numbers to describe clobbered registers.
732 (*call_value_0_rex64_ms_sysv): Ditto.
733 * config/i386/mmx.md (mmx_emms): Ditto.
736 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
738 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
741 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
743 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
744 (spu_section_type_flags): New function.
746 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
748 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
749 reg_class_contents of FLOAT_REGS into a temporary.
751 2009-03-02 Richard Guenther <rguenther@suse.de>
752 Ira Rosen <irar@il.ibm.com>
754 PR tree-optimization/39318
755 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
756 information to the vectorized statement.
758 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
760 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
761 variable. Use defined names instead of magic constants for REX SSE
764 2009-03-01 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/39331
767 * omp-low.c (lower_send_shared_vars): Do not receive new
768 values for the reference of DECL_BY_REFERENCE parms or results.
770 2009-03-01 Jan Hubicka <jh@suse.cz>
773 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
774 BLOCK_NONLOCALIZED_VAR): New macros.
775 (tree_block): Add nonlocalized_vars.
776 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
777 gen_decl_die): Add origin argument. Allow generation of die with
779 (gen_member_die, gen_type_die_with_usage, force_decl_die,
780 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
782 (gen_block_die): Fix checking for unused blocks.
783 (process_scope_var): Break out from .... ; work with origins only.
784 (decls_for_scope) ... here; process nonlocalized list.
785 (dwarf2out_ignore_block): Look for nonlocalized vars.
786 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
788 (dump_scope_block): Dump them.
789 * tree-inline.c (remap_decls): Handle nonlocalized vars.
790 (remap_block): Likewise.
791 (can_be_nonlocal): New predicate.
792 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
794 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
796 * configure: Regenerate.
798 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
800 * optc-gen.awk: No need to duplicate option flags twice.
801 Reuse help texts for duplicate options which do not have any.
803 * gcc.c (display_help): Document --version.
805 * gcc.c (main): If print_help_list and verbose_flag, ensure
806 driver output comes before subprocess output.
808 * optc-gen.awk: Assign all remaining fields to help string,
809 space-separated, for multi-line help in *.opt.
811 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
812 -Wno-pedantic-ms-format is for MinGW targets only.
814 * doc/options.texi (Option file format): Fix bad indentation,
815 restoring dropped sentence.
817 2009-02-28 Jan Hubicka <jh@suse.cz>
819 * tree-inline.c (tree_function_versioning): Output debug info.
821 2009-02-28 Jan Hubicka <jh@suse.cz>
824 * tree-inline.c (setup_one_parameter): Do not copy propagate
825 arguments when not optimizing.
827 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
830 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
831 (avx_addsubv4df3): Likewise.
832 (*avx_addsubv4sf3): Likewise.
833 (sse3_addsubv4sf3): Likewise.
834 (*avx_addsubv2df3): Likewise.
835 (sse3_addsubv2df3): Likewise.
836 (avx_unpckhps256): Correct item selectors.
837 (avx_unpcklps256): Likewise.
838 (avx_unpckhpd256): Likewise.
839 (avx_unpcklpd256): Likewise.
841 2009-02-28 Jan Hubicka <jh@suse.cz>
843 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
845 (copy_arguments_for_versioning): If var is declared don't declare it.
846 (tree_function_versioning): First setup substitutions and then copy
849 2009-02-27 Jan Hubicka <jh@suse.cz>
852 * cgraph.h (varpool_output_debug_info): Remove.
853 * cgraphunit.c (varpool_output_debug_info): Remove.
854 * dwarf2out.c (deferred_locations_struct): New struct
855 (deferred_locations): New type.
856 (deferred_locations_list): New static var.
857 (deffer_location): New function.
858 (gen_variable_die): Use it.
859 (decls_for_scope): Output info on local static vars.
860 (dwarf2out_finish): Process deferred locations.
861 * varpool.c (varpool_output_debug_info): Remove.
863 2009-02-27 Jan Hubicka <jh@suse.cz>
866 * tree.h (TREE_PROTECTED): Fix comment.
867 (BLOCK_HANDLER_BLOCK): Remove.
868 (struct tree_block): Remove handler_block add body_block.
869 (inlined_function_outer_scope_p): New.
870 (is_body_block): Remove.
871 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
872 * dwarf2out.c (is_inlined_entry_point): Remove.
873 (add_high_low_attributes): Use inlined_function_outer_scope_p.
874 (gen_block_die): Use is_inlined_entry_point check. Remove body block
876 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
877 * gimplify.c (gimplify_expr): Gimplify body blocks.
878 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
879 block with multiple subblocks.
880 (dump_scope_block): Prettier output; dump more flags and info.
881 (dump_scope_blocks): New.
882 (remove_unused_locals): Use dump_scope_blocks.
883 * tree-flow.h (dump_scope_blocks): Declare.
884 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
885 * stmt.c (is_body_block): Remove.
886 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
887 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
889 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
892 * graphite.c (graphite_loop_normal_form): Do not call
893 number_of_iterations_exit from a gcc_assert.
895 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
897 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
898 jumps if COND is NULL.
899 (find_cond_jump): New function.
900 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
901 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
903 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
905 * config/alpha/alpha.h (alpha_expand_mov): Return false if
906 force_const_mem returns NULL_RTX.
908 2009-02-26 Jan Hubicka <jh@suse.cz>
911 * cgraph.h (varpool_output_debug_info): Remove.
912 * cgraphunit.c (varpool_output_debug_info): Remove.
913 * dwarf2out.c (deferred_locations_struct): New struct
914 (deferred_locations): New type.
915 (deferred_locations_list): New static var.
916 (deffer_location): New function.
917 (gen_variable_die): Use it.
918 (decls_for_scope): Output info on local static vars.
919 (dwarf2out_finish): Process deferred locations.
920 * varpool.c (varpool_output_debug_info): Remove.
922 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
924 PR rtl-optimization/39241
925 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
926 to subreg_offset_representable_p.
928 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
930 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
931 execute function prototype. Get f and nregs from max_reg_num
932 and get_insns. Remove the first backward pass as it's dead,
933 guard the forward pass by flag_expensive_optimizations.
934 (rest_of_handle_regmove): Delete.
935 (pass_regmove): Replace it with regmove_optimize.
937 2009-02-25 Martin Jambor <mjambor@suse.cz>
939 PR tree-optimization/39259
940 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
941 calls_alloca function flags.
942 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
945 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
947 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
948 flags_set_1_rtx, flags_set_1_set): Delete.
949 (regmove_optimize): Do not call mark_flags_life_zones.
951 2009-02-24 Julian Brown <julian@codesourcery.com>
954 * config/arm/arm.c (require_pic_register): Only set
955 cfun->machine->pic_reg once per function.
957 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
959 * doc/invoke.texi (Link Options): Document an easier way to pass
960 options that take arguments to the GNU linker using -Xlinker and -Wl.
962 2009-02-24 Steve Ellcey <sje@cup.hp.com>
965 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
967 2009-02-24 Richard Guenther <rguenther@suse.de>
970 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
972 2009-02-24 Richard Guenther <rguenther@suse.de>
973 Zdenek Dvorak <ook@ucw.cz>
975 PR tree-optimization/39233
976 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
977 from converting them to a generic type.
979 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
981 PR tree-optimization/39260
982 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
983 contains a condition with a real type.
984 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
986 2009-02-23 Jason Merrill <jason@redhat.com>
989 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
990 narrowing_initializer_constant_valid_p.
991 (narrowing_initializer_constant_valid_p): Don't return
992 null_pointer_node for adding a pointer to itself.
994 2009-02-23 Jan Hubicka <jh@suse.cz>
997 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1000 2009-02-23 Jan Hubicka <jh@suse.cz>
1002 PR tree-optimization/37709
1003 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1004 * tree.h (block_ultimate_origin): Declare.
1005 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1006 * tree-ssa-live.c (remove_unused_scope_block_p):
1007 Eliminate blocks containig no instructions nor live variables nor
1009 (dump_scope_block): New function.
1010 (remove_unused_locals): Enable removal of dead blocks by default;
1011 enable dumping at TDF_DETAILS.
1013 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1015 * config/i386/i386.c (classify_argument): Don't allow COImode
1017 (function_arg_advance_32): Don't allow OImode.
1018 (function_arg_32): Likewise.
1019 (function_value_32): Likewise.
1020 (return_in_memory_32): Likewise.
1021 (function_arg_64): Remove OImode comment.
1023 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1026 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1027 ix86_expand_vector_set for V4DImode in 64bit mode only.
1028 (ix86_expand_vector_init_one_var): Likewise.
1030 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1032 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1034 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1037 * loop-iv.c: Revert last change.
1038 * emit-rtl.c: Likewise.
1040 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1043 * config/i386/i386.c (type_natural_mode): Remove an extra
1044 space in the warning message.
1045 (function_value_32): Handle 32-byte vector modes.
1046 (return_in_memory_32): Likewise.
1048 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1050 * loop-iv.c (truncate_value): New function.
1051 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1053 (lowpart_subreg): Move to...
1054 * emit-rtl.c: ...here.
1056 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1058 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1059 accidental and undocumented change at revision 140860.
1061 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1063 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1064 take gimple_seq * arguments.
1065 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1066 types_compatible_p langhook.
1068 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1069 Joseph Myers <joseph@codesourcery.com>
1071 * config/arm/arm.c (arm_builtin_va_list): New function.
1072 (arm_expand_builtin_va_start): Likewise.
1073 (arm_gimplify_va_arg_expr): Likewise.
1074 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1075 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1076 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1077 (va_list_type): New variable.
1078 (arm_mangle_type): Mangle va_list_type appropriately.
1080 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1083 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1084 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1085 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1086 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1087 parameter to 1000 for -O1 by default.
1088 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1090 * loop-invariant.c: Include params.h.
1091 (move_loop_invariants): Don't call move_single_loop_invariants on
1094 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1096 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1097 offset when calculating bounds for indexing stack_usage_map. Fixes
1098 a buffer overflow with certain target setups.
1100 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1103 * calls.c (expand_call): Clear try_tail_call if caller and callee
1104 disagree in promotion of function return value.
1106 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1109 * c-common.c (c_determine_visibility): If visibility changed and
1110 DECL_RTL has been already set, call make_decl_rtl to update symbol
1113 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1116 * varasm.c (assemble_variable): Don't check DECL_NAME when
1117 globalizing a variable.
1119 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1122 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1123 expression before any __builtin_trap call.
1124 * c-typeck.c (build_function_call): Convert and check function
1125 arguments before generating a call to a trap. Evaluate the
1126 function arguments before the trap.
1128 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1131 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1132 (UNSPEC_FXAM_MEM): New unspec.
1133 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1134 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1135 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1137 2009-02-19 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/39207
1140 PR tree-optimization/39074
1141 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1142 storedanything_tree): New.
1143 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1144 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1145 (build_succ_graph): Add edges from STOREDANYTHING to all
1147 (init_base_vars): Initialize STOREDANYTHING.
1148 (compute_points_to_sets): Free substitution info after
1149 building the succ graph.
1150 (ipa_pta_execute): Likewise.
1152 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1154 (do_ds_constraint): Do not add to special var or non-pointer
1156 (type_could_have_pointers): Split out from ...
1157 (could_have_pointers): ... here. For arrays use the element type.
1158 (create_variable_info_for): Initialize may_have_pointers.
1159 (new_var_info): Likewise.
1160 (handle_lhs_call): Make the HEAP variable unknown-sized.
1161 (intra_create_variable_infos): Use a type with pointers for
1162 PARM_NOALIAS, make it unknown-sized.
1164 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1167 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1169 2009-02-18 Jason Merrill <jason@redhat.com>
1172 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1173 value if DECL_EXTERNAL.
1174 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1175 * target.h (gcc_target::binds_local_p): Clarify "module".
1176 * tree.h (TREE_PUBLIC): Clarify "module".
1178 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1181 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1182 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1184 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1187 * c.opt (Wabi): Support C and ObjC.
1190 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1192 * config/i386/i386.c (classify_argument): Warn once about the ABI
1193 change when passing union with long double.
1195 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1197 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1200 * c-parser.c (c_parser_compound_statement): Always enter and leave
1203 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1206 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1208 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1210 PR tree-optimization/36922
1211 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1212 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1215 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1217 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1220 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1222 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1224 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1226 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1229 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1230 Richard Sandiford <rdsandiford@googlemail.com>
1232 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1233 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1234 (loongson_biadd): ...this.
1236 2009-02-17 Richard Guenther <rguenther@suse.de>
1238 PR tree-optimization/39202
1239 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1240 a var make sure to follow existing collapses.
1242 2009-02-17 Richard Guenther <rguenther@suse.de>
1245 * langhooks.c (lhd_print_error_function): Check for NULL block.
1247 2009-02-17 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/39204
1250 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1253 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1255 * config/soft-fp/double.h: Update from glibc CVS.
1257 2009-02-17 Richard Guenther <rguenther@suse.de>
1259 PR tree-optimization/39207
1260 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1261 strict-aliasing warnings for pointers pointing to NULL.
1263 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1266 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1267 skipping until next close brace.
1269 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1272 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1273 to function argument boundary.
1275 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1277 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1278 in the lea_add. Reload eventually constraints it properly.
1279 * config/picochip/constraints.md : Remove the target constraint
1280 "b", since it is not needed anymore.
1282 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1284 * gthr-dce.h: Uglify function parameter and local variable names.
1285 * gthr-gnat.h: Likewise.
1286 * gthr-mipssde.h: Likewise.
1287 * gthr-nks.h: Likewise.
1288 * gthr-posix95.h: Likewise.
1289 * gthr-posix.h: Likewise.
1290 * gthr-rtems.h: Likewise.
1291 * gthr-single.h: Likewise.
1292 * gthr-solaris.h: Likewise.
1293 * gthr-tpf.h: Likewise.
1294 * gthr-vxworks.h: Likewise.
1295 * gthr-win32.h: Likewise.
1297 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1300 * config/i386/i386.md: Restrict the new peephole2 to move
1301 between MMX/SSE registers.
1303 2009-02-15 Richard Guenther <rguenther@suse.de>
1306 2009-02-13 Richard Guenther <rguenther@suse.de>
1308 * configure.ac: Enable LFS.
1309 * configure: Re-generate.
1310 * config.in: Likewise.
1312 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1314 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1315 spu_srqwbyte, spu_srqwbytebc): Define.
1316 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1317 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1318 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1319 "shrqby_<mode>"): New insn-and-split patterns.
1320 * config/spu/spu.c (expand_builtin_args): Determine and return
1321 number of operands using spu_builtin_description data.
1322 (spu_expand_builtin_1): Use it.
1324 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1327 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1330 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1333 * config/i386/i386.c (override_options): Correct warning
1334 messages for -malign-loops, -malign-jumps and -malign-functions.
1336 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1339 * config/i386/i386.md: Restrict the new peephole2 to move
1340 between the general purpose registers.
1342 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1345 * config/i386/i386.c (type_natural_mode): Add a new argument.
1346 Return the original mode and warn ABI change if vector size is 32byte.
1347 (function_arg_advance): Updated.
1348 (function_arg): Likewise.
1349 (ix86_function_value): Likewise.
1350 (ix86_return_in_memory): Likewise.
1351 (ix86_sol10_return_in_memory): Likewise.
1352 (ix86_gimplify_va_arg): Likewise.
1353 (function_arg_32): Don't warn ABX ABI change here.
1354 (function_arg_64): Likewise.
1356 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1358 * loop-iv.c (implies_p): In the final case, test that operands 0
1359 of the two comparisons match.
1361 * config/bfin/bfin.c (find_prev_insn_start): New function.
1362 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1363 (find_next_insn_start): Move.
1365 2009-02-13 Richard Guenther <rguenther@suse.de>
1367 * configure.ac: Enable LFS.
1368 * configure: Re-generate.
1369 * config.in: Likewise.
1371 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1374 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1375 sizes on syntax error after some arguments have been parsed.
1377 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1379 * doc/invoke.texi (-fira): Remove.
1381 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1383 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1384 * recog.c: Likewise.
1387 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1389 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1390 (umul_ppmm): Likewise.
1391 (count_leading_zeros): Likewise.
1392 (count_trailing_zeros): Likewise.
1393 (UMUL_TIME): Likewise.
1395 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1397 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1398 soft-fp/t-softfp to tmake_file.
1400 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1401 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1402 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1403 IA64_BUILTIN_INFQ]: New.
1404 (ia64_init_builtins): Initialize __builtin_infq,
1405 __builtin_fabsq and __builtin_copysignq if not HPUX.
1406 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1407 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1409 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1411 (__fixtfti): Likewise.
1412 (__fixunstfti): Likewise.
1413 (__floattitf): Likewise.
1415 * config/ia64/libgcc-glibc.ver: New.
1416 * config/ia64/t-fprules-softfp: Likewise.
1417 * config/ia64/sfp-machine.h: Likewise.
1419 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1420 (LIBGCC2_TF_CEXT): Likewise.
1421 (TF_SIZE): Likewise.
1422 (TARGET_INIT_LIBFUNCS): Likewise.
1424 * config/ia64/t-glibc (SHLINB_MAPFILES):
1425 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1427 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1429 * config/i386/i386.c (construct_container): Rewrite processing
1430 BLKmode with X86_64_SSE_CLASS.
1432 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1435 * config/i386/i386.md: Replace simplify_replace_rtx with
1436 replace_rtx in the new peephole2.
1438 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1440 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1441 loop unrolling do not happen at -O2.
1443 2009-02-12 Michael Matz <matz@suse.de>
1445 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1447 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1449 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1452 2009-02-12 Ben Elliston <bje@au.ibm.com>
1454 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1455 patterns when updating the back chain. Missed in the 2009-02-10
1458 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1460 * doc/extend.texi (Decimal Floating Types): Update identifier of
1461 draft TR and list of missing support.
1463 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1466 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1467 bit to variable length decl's flags, add it also to its
1468 pointer replacement variable.
1470 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1471 Jakub Jelinek <jakub@redhat.com>
1474 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1475 (memory_blockage): New expander.
1476 (*memory_blockage): New insn pattern.
1477 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1478 instead of general blockage at the end of function prologue when
1479 frame pointer is used to access red zone area. Do not emit blockage
1480 when profiling, it is emitted in generic code.
1481 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1482 function epilogue when frame pointer is used to access red zone area.
1484 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1487 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1488 by arithmetic with memory operands.
1489 * config/i386/predicates.md (commutative_operator): New.
1491 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1493 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1496 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1498 * alias.h (record_alias_subset): Declare.
1499 * alias.c (record_alias_subset): Make global.
1501 2009-02-10 Nick Clifton <nickc@redhat.com>
1503 * tree-parloops.c: Change license to GPLv3.
1504 * ipa-struct-reorg.c: Change license to GPLv3.
1505 * ipa-struct-reorg.h: Change license to GPLv3.
1507 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1510 * c-decl.c (start_struct): Return NULL on error.
1512 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1515 * cfgloopmanip.c (remove_path): Call remove_bbs after
1516 cancel_loop_tree, not before it.
1519 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1520 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1521 VAR_DECLs were seen.
1522 * tree-ssa-live.c (remove_unused_locals): Recompute
1523 cfun->has_local_explicit_reg_vars.
1524 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1525 copies or clearings if cfun->has_local_explicit_reg_vars.
1527 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1530 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1531 of function prologue when frame pointer is used to access
1534 2009-02-10 Richard Guenther <rguenther@suse.de>
1537 * gimplify.c (gimple_regimplify_operands): Always look if
1538 we need to create a temporary.
1540 2009-02-10 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/39132
1543 * tree-loop-distribution.c (todo): New global var.
1544 (generate_memset_zero): Trigger TODO_rebuild_alias.
1545 (tree_loop_distribution): Return todo.
1547 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1550 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1551 (x86_64_reg_class_name): Removed.
1552 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1553 first one isn't X86_64_SSE_CLASS or any other ones aren't
1554 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1555 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1556 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1557 and 3 X86_64_SSEUP_CLASS.
1558 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1559 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1561 2009-02-10 Ben Elliston <bje@au.ibm.com>
1563 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1564 form instruction to update the stack back chain word, even if the
1565 user has disabled the generation of update instructions.
1566 (movdi_<mode>_update_stack): New.
1567 (movsi_update_stack): Likewise.
1568 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1569 always use an update form instruction to update the stack back
1572 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1575 * graphite.c (if_region_set_false_region): After moving a region in
1576 the false branch of a condition, remove the empty dummy basic block.
1577 (gloog): Remove wrong fix for PR38953.
1579 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1581 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1582 generation due to implicit sign extension.
1584 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1587 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1588 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1590 2009-02-09 Richard Guenther <rguenther@suse.de>
1593 * convert.c (convert_to_real): Disable (float)fn((double)x)
1594 to fnf(x) conversion if errno differences may occur and
1595 -fmath-errno is set.
1597 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1599 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1600 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1601 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1603 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1606 * c-common.c (handle_alias_attribute): Disallow attribute for
1607 anything not a FUNCTION_DECL or VAR_DECL.
1609 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1612 * real.c (do_compare): Special-case compare of zero against
1613 decimal float value.
1615 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1618 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1619 as indicating flexible array members unless the field itself is
1620 being declarared as the incomplete array.
1622 2009-02-06 Jan Hubicka <jh@suse.cz>
1624 PR tree-optimization/38844
1625 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1628 2009-02-06 Richard Guenther <rguenther@suse.de>
1631 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1632 fork because we may expand it as __gcov_fork.
1634 2009-02-06 Nick Clifton <nickc@redhat.com>
1636 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1638 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1640 PR tree-optimization/35659
1641 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1642 vn_phi_eq): Shortcut if hashcode does not match.
1643 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1645 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1646 and avoid iterative_hash_expr.
1647 (FOR_EACH_VALUE_ID_IN_SET): New.
1648 (value_id_compare): Remove.
1649 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1650 sort expressions by value id.
1652 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1655 * config/sh/predicates.md (general_movsrc_operand): Don't check
1656 the subreg of system registers here.
1658 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1661 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1664 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1666 PR rtl-optimization/39110
1667 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1668 addresses, not aligned ones.
1670 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1671 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/39100
1674 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1675 comment says and add edges.
1677 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1680 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1681 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1683 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1685 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1686 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1687 register_bb_in_sese, new_sese, free_sese): Moved.
1688 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1689 outermost_loop_in_scop, build_scop_iteration_domain,
1690 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1691 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1692 Use loop_in_sese_p instead of loop_in_scop_p.
1693 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1694 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1695 (scopdet_basic_block_info): Fix bug in scop detection.
1696 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1697 eq_loop_to_cloog_loop): Remove.
1698 (nb_loops_around_loop_in_scop, nb_loop
1699 ref_nb_loops): Moved here...
1700 * graphite.h (ref_nb_loops): ... from here.
1701 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1702 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1703 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1704 * testsuite/gcc.dg/graphite/scop-19.c: New
1706 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1707 Hans-Peter Nilsson <hp@axis.com>
1709 PR rtl-optimization/37889
1710 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1711 Move offset handling from PLUS to before the switch. Use new
1712 arguments when considering SYMBOL_REFs too.
1713 (rtx_addr_can_trap_p): Pass dummy offset and size.
1714 (enum may_trap_p_flags): Remove.
1715 (may_trap_p_1): Pass size from MEM_SIZE.
1717 PR rtl-optimization/38921
1718 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1719 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1720 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1721 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1723 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1725 AVX Programming Reference (January, 2009)
1726 * config/i386/sse.md (*vpclmulqdq): New.
1728 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1730 PR tree-optimization/38977
1731 PR gcov-profile/38292
1732 * calls.c (special_function_p): Disregard __builtin_ prefix.
1734 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1736 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1737 non-indexable addresses even before reload.
1739 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1742 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1743 as having variable size. Do not give an error for unnamed
1744 parameters with [*] declarators. Give a warning for type names
1745 with [*] declarators and mark them as variable size.
1746 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1747 for sizeof applied to [*] type names.
1749 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1752 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1754 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1756 * gcc.c (process_command): Update copyright notice dates.
1757 * gcov.c (print_version): Likewise.
1758 * gcov-dump.c (print_version): Likewise.
1759 * mips-tfile.c (main): Likewise.
1760 * mips-tdump.c (main): Likewise.
1762 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1765 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1766 for composite type involving a zero-length array type.
1768 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1771 * function.c (match_asm_constraints_1): Skip over
1772 initial optional % in the constraint.
1775 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1776 supported, don't accept FIXED_CSTs.
1777 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1778 and _Sat is used without _Fract/_Accum. Set specs->type to
1779 integer_type_node for cts_fract/cts_accum if fixed point is not
1782 2009-02-02 Catherine Moore <clm@codesourcery.com>
1784 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1786 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1788 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1789 (ABI_HAS_64BIT_SYMBOLS): Use it.
1790 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1792 2009-02-02 Paul Brook <paul@codesourcery.com>
1794 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1796 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1799 * recog.h (asm_operand_ok): Add constraints argument.
1800 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1801 recurse on matching constraint.
1802 (check_asm_operands): Pass constraints as 3rd argument to
1803 asm_operand_ok. Don't look up matching constraint here.
1804 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1807 2009-02-02 Ben Elliston <bje@au.ibm.com>
1809 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1810 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1812 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1814 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1815 information. Remove some obsolete information. Reorganize.
1817 * config/pa/fptr.c: Revert license to GPL 2.
1818 * config/pa/milli64.S: Likewise.
1820 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1823 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1824 LIBRARY name in, instead of hard-coding it.
1825 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1826 extra target make frag to tmake_files according to EH model.
1827 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1828 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1829 frags that define makefile variable EH_MODEL appropriately.
1830 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1831 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1832 to "-sjlj" according to type of EH configured.
1833 (LIBGCC_SONAME): Concatenate it to shared library base name.
1834 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1835 to "_sjlj" according to type of EH configured.
1836 (LIBGCC_SONAME): Concatenate it to shared library base name.
1837 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1838 (SHLIB_LINK): Add missing semicolon to if-else construct.
1839 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1840 string value of "pe_dll" command-line option.
1841 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1842 (SHLIB_SONAME): Use it when overriding t-cygming default.
1843 (SHLIB_IMPLIB): Override t-cygming default.
1844 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1845 string value of "pe_dll" command-line option.
1847 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1850 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1851 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1853 2009-01-31 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/38937
1856 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1857 computing the transitive closure.
1859 2009-01-30 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/39041
1862 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1863 Propagate variable indices only if the types match for this stmt.
1865 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1868 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1869 inline but never defined.
1871 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1873 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1874 (*insv_h_di_reg_extimm): New insn.
1875 (*insv_l<mode>_reg_extimm): New insn.
1877 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1879 * config/picochip/picochip.c (flag_conserve_stack): set
1880 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1881 fconserve-stack. Reduce call-overhead used by inliner.
1883 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1886 * common.opt (flag_conserve_stack): Initialised to zero.
1888 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1891 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1892 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1895 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1897 * ira-color.c (allocno_reload_assign): Update comments.
1898 * regmove.c (regmove_optimize): Likewise.
1902 2009-01-29 Robert Millan <rmh@aybabtu.com>
1904 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1905 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1906 `MD_UNWIND_SUPPORT'.
1907 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1909 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1911 PR tree-optimization/39007
1912 * tree-loop-distribution.c (generate_builtin): Use
1913 recompute_dominator to compute the immediate dominator of the
1914 basic block just after the loop.
1916 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1918 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1919 (ASM_OUTPUT_DWARF_PCREL): Define.
1921 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1923 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1924 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1925 global. Modify entries about regmove and IRA.
1927 * ra-conflict.c: Remove the file.
1929 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1931 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1932 (pass_regclass_init): Rename to pass_reginfo_init.
1934 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1936 * toplev.h (flag_ira): Remove.
1938 * caller-save.c (setup_save_areas): Remove flag_ira.
1940 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1942 * global.c: Remove the file.
1944 * opts.c: (decode_options): Remove flag_ira.
1946 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1948 * regmove.c: Modify file description.
1949 (find_use_as_address, try_auto_increment): Define them only if
1950 AUTO_INC_DEC is defined.
1951 (replacement_quality, replace_in_call_usage, fixup_match_1,
1952 stable_and_no_regs_but_for_p): Remove.
1953 (reg_set_in_bb): Make it static.
1954 (regmove_optimize): Remove flag_ira and code which worked for
1957 * local-alloc.c: Remove the file.
1959 * common.opt (fira): Remove.
1961 * ira.c: Include except.h.
1962 (eliminable_regset): Move from global.c.
1963 (mark_elimination): Ditto. Remove flag_ira.
1964 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1965 equiv_mem_modified, validate_equiv_mem_from_store,
1966 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1967 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1968 no_equiv, recorded_label_ref): Move from local-alloc.c.
1969 (update_equiv_regs): Ditto. Make it static.
1970 (print_insn_chain, print_insn_chains): Move it from global.c.
1971 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1972 (build_insn_chain): Ditto. Make it static.
1973 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1974 Rename to init_live_subregs.
1975 (gate_ira): Remove flag_ira.
1977 * regclass.c: Rename reginfo.c. Change file description.
1978 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1979 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1980 (init_reg_sets_1): Remove code for evaluation of
1981 reg_class_superclasses and losing_caller_save_reg_set.
1982 (init_regs): Remove init_reg_autoinc.
1983 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1984 ok_for_base_p_nonstrict): Remove.
1985 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1986 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1987 corresponding entries.
1988 (dump_regclass, record_operand_costs, scan_one_insn,
1989 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1990 record_address_regs, auto_inc_dec_reg_p): Remove.
1991 (gt-regclass.h): Rename to gt-reginfo.h.
1993 * rtl.h (dump_global_regs, retry_global_alloc,
1994 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1996 * Makefile.in (RA_H): Remove.
1997 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1998 Rename regclass.o to reginfo.o.
1999 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2001 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2002 (GTFILES): Rename regclass.c to reginfo.c.
2004 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2005 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2007 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2008 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2010 (finish_spills): Ditto. Remove code for !flag_ira.
2012 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2015 * doc/invoke.texi (rtl debug options): Complete rewrite.
2016 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2018 * mode-switching.c (pass_mode_switching): Rename pass from
2019 "mode-sw" to "mode_sw".
2020 * except.c (pass_convert_to_eh_ranges): Rename pass from
2021 "eh-ranges" to "eh_ranges".
2022 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2026 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2027 Alexander Monakov <amonakov@ispras.ru>
2030 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2032 (move_exprs_to_boundary): Change return type and pass through
2033 should_move from move_op. Relax assert. Update usage ...
2034 (schedule_expr_on_boundary): ... here. Use should_move instead of
2036 (move_op_orig_expr_found): Indicate that insn was disconnected from
2038 (code_motion_process_successors): Do not call after_merge_succs
2039 callback if original expression was not found when traversing any of
2041 (code_motion_path_driver): Change return type. Update prototype.
2042 (move_op): Update comment. Add a new parameter (should_move). Update
2043 prototype. Set *should_move based on indication provided by
2044 move_op_orig_expr_found.
2046 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2048 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2049 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2050 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2051 * config/rs6000/rs6000.c (rs6000_override_options): Default
2052 avoid-indexed-addresses on for Power6, off for everything else.
2053 (avoiding_indexed_address_p): New function.
2054 (rs6000_legitimize_address): Use it.
2055 (rs6000_legitimate_address): Likewise.
2056 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2058 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2060 PR tree-optimization/38997
2061 * tree-loop-distribution.c (generate_memset_zero): Use
2062 POINTER_PLUS_EXPR for a pointer addition.
2064 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2066 * config/s390/s390.md (bswap<mode>2): New pattern added.
2068 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2070 * config/s390/s390.md (*tls_load_31): Added type attribute.
2072 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2074 * config/s390/s390.md: Fix a few comments.
2076 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2078 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2079 (*tm<mode>_full): Fixed z10prop attribute.
2080 (*tst<mode>_extimm): Fixed z10prop attribute.
2081 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2082 (*tstqiCCT_cconly): Fixed z10prop attribute.
2083 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2084 (*movsi_larl): Fixed z10prop attribute.
2085 (*movsi_zarch): Fixed z10prop attribute.
2086 (*movsi_eas): Fixed z10prop attribute.
2087 (*movhi): Fixed z10prop attribute.
2088 (*movqi): Fixed z10prop attribute.
2089 (*movstrictqi): Fixed z10prop attribute.
2090 (*mov<mode>): Fixed z10prop attribute.
2091 (*movcc): Fixed z10prop attribute.
2092 (*sethighpartdi_64): Fixed z10prop attribute.
2093 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2094 (*negdi2_sign_cc): Fixed z10prop attribute.
2095 (*negdi2_sign): Fixed z10prop attribute.
2096 (*absdi2_sign_cc): Fixed z10prop attribute.
2097 (*absdi2_sign): Fixed z10prop attribute.
2098 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2099 (*negabsdi2_sign): Fixed z10prop attribute.
2100 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2101 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2102 (doloop_si64): Fixed z10prop attribute.
2103 (doloop_si31): Fixed z10prop attribute.
2104 (doloop_long): Fixed z10prop attribute.
2105 (indirect_jump): Fixed z10prop attribute.
2106 (nop): Fixed z10prop attribute.
2107 (main_base_64): Fixed z10prop attribute.
2108 (reload_base_64): Fixed z10prop attribute.
2110 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2112 PR rtl-optimization/38740
2113 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2115 * config/mips/mips.c (mips_reorg): Likewise.
2117 2009-01-28 Richard Guenther <rguenther@suse.de>
2119 PR tree-optimization/38926
2120 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2121 with the correct value id to a value.
2122 (do_regular_insertion): Use the value number of edoubleprime
2123 for the value number of the expr.
2126 2008-08-21 Richard Guenther <rguenther@suse.de>
2128 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2129 a PHI ask VN if it is already available.
2130 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2131 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2133 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2136 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2137 set to varying whenever max has TREE_OVERFLOW set, similarly
2138 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2140 2009-01-28 Richard Guenther <rguenther@suse.de>
2143 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2144 uninitialized aggregate uses in call arguments.
2146 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2148 PR tree-optimization/38984
2149 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2150 the nothing_id variable if -fno-delete-null-pointer-checks.
2152 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2155 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2156 (set_got_offset_rex64): Ditto.
2158 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2161 * doc/extend.texi: Improve local variable with asm reg.
2163 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2165 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2166 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2167 was not supplied then set warn_packed_bitfield_compat to the
2169 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2172 2009-01-27 Richard Guenther <rguenther@suse.de>
2174 PR tree-optimization/38503
2175 * cfgexpand.c (expand_gimple_basic_block): Ignore
2176 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2177 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2178 variables that cannot have TBAA applied.
2179 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2182 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2185 * calls.c (initialize_argument_information): Do not wrap complex
2186 arguments in SAVE_EXPR.
2188 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2190 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2191 (INSTALL_LIBGCC): Revert typo commit.
2193 2009-01-26 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/38745
2196 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2197 from special handling.
2199 2009-01-26 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/38745
2202 * tree-ssa.c (execute_update_addresses_taken): Do not include
2203 variables that cannot possibly be a register in not_reg_needs.
2204 Do not clear TREE_ADDRESSABLE on vars that may not become
2206 * tree-ssa.c (update_alias_info_1): Include those in the set
2207 of addressable vars.
2209 2009-01-26 Richard Guenther <rguenther@suse.de>
2212 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2213 * tree-ssa-dse.c: Include langhooks.h
2214 (execute_simple_dse): Remove stores with zero size.
2216 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2219 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2222 2009-01-24 Julian Brown <julian@codesourcery.com>
2224 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2225 config/arm/linux-atomic.c.
2226 * config/arm/linux-atomic.c: New.
2228 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2230 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2231 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2232 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2234 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2237 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2240 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2242 PR tree-optimization/38953
2243 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2244 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2245 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2246 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2249 2009-01-24 Paul Brook <paul@codesourcery.com>
2251 * config/arm/neon.md (neon_type): Move to arm.md.
2252 (neon_mov<VSTRUCT>): Add neon_type attribute.
2253 * config/arm/arm.md (neon_type): Move to here.
2254 (conds): Add "unconditioal" and use as default for NEON insns.
2256 2009-01-24 Ben Elliston <bje@au.ibm.com>
2258 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2259 void *' warning from -Wc++-compat.
2260 * Makefile.in (dominance.o-warn): Remove.
2262 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2264 PR tree-optimization/38932
2265 * fold-const.c (fold_unary_ignore_overflow): New.
2266 * tree.h (fold_unary_ignore_overflow): Declare.
2267 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2268 * tree-ssa-sccvn.c (visit_reference_op_load,
2269 simplify_unary_expression): Likewise.
2271 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2273 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2274 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2275 regardless of their type.
2276 * c-common.c (handle_packed_attribute): Don't ignore packed on
2278 * c.opt (Wpacked-bitfield-compat): New warning option.
2279 * stor-layout.c (place_field): Warn if offset of a field changed.
2280 * doc/extend.texi (packed): Mention the ABI change.
2281 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2282 (Warning Options): Add it to the list.
2284 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2286 * c-opts.c (c_common_post_options): Fix a typo in comments.
2288 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2291 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2292 variables to static.
2293 * doc/invoke.texi (-fmerge-all-constants): Update description.
2295 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2298 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2299 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2301 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2303 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2305 (LOCAL_ALIGNMENT): Similarly.
2307 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2308 Joseph Myers <joseph@codesourcery.com>
2310 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2311 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2312 * config/arm/arm-tune.md: Regenerate.
2313 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2316 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2318 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2319 version number to five.
2321 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2324 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2325 * c-common.c (set_underlying_type): Likewise.
2326 (is_typedef_decl ): Likewise
2328 (set_underlying_type): Likewise.
2329 (is_typedef_type): Likewise.
2331 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2334 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2337 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2340 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2341 (LIBGCC_SPEC): Don't define.
2342 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2344 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2346 PR rtl-optimization/38879
2347 * alias.c (base_alias_check): Unaligned access via AND address can
2348 alias all surrounding object types except those with sizes equal
2349 or wider than the size of unaligned access.
2351 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2354 * c-decl.c: (clone_underlying_type): Move this ...
2355 * c-common.c (set_underlying_type): ... here.
2356 Also, make sure the function properly sets TYPE_STUB_DECL() on
2357 the newly created typedef variant type.
2358 (is_typedef_decl ): New entry point.
2359 * tree.h: Added a new member member_types_needing_access_check to
2360 struct tree_decl_non_common.
2361 (set_underlying_type): New entry point.
2362 (is_typedef_type): Likewise.
2364 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2366 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2367 Check whether two instructions have memory references that
2368 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2369 are helper functions for traversing.
2370 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2371 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2372 not to draw dependency edge for instructions with non-conflicting
2375 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2378 * longlong.h: Update copyright years. Use soft-fp license notice.
2379 Sync __clz_tab declaration with glibc.
2381 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2384 * doc/extend.texi (syscall_linkage): New.
2385 (version_id): Modify.
2387 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2388 Richard Guenther <rguenther@suse.de>
2390 PR tree-optimization/38747
2391 PR tree-optimization/38748
2392 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2393 conversion if the base address is an indirect reference and the
2394 aliasing sets could cause issues.
2396 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2398 * common.opt (fgraphite, fgraphite-identity): Add comment for
2399 explaining why these options are not documented.
2401 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2403 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2404 gimple_call_lhs is NULL.
2406 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2409 * emit-rtl.c (adjust_address_1): Make sure memref is never
2412 2009-01-20 Ben Elliston <bje@au.ibm.com>
2414 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2415 const qualifier from arg parameter. Remove unnecessary cast to char *.
2416 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2417 const qualifier from arg 2.
2419 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2421 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2423 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2426 * rtl.h (reinit_regs): New prototype.
2427 * regclass.c: Include ira.h.
2429 * Makefile.in (regclass.o): Add ira.h.
2430 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2432 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2435 * c-common.c (handle_aligned_attribute): Use
2436 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2437 default alignment value.
2439 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2441 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2442 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2444 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2445 __BIGGEST_ALIGNMENT__.
2447 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2449 2009-01-18 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/38819
2452 * tree-flow.h (operation_could_trap_helper_p): Declare.
2453 * tree-eh.c (operation_could_trap_helper_p): Export.
2454 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2455 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2456 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2457 are about to insert a possibly trapping instruction and fail
2460 2009-01-18 Andreas Schwab <schwab@suse.de>
2462 * doc/install.texi (Configuration): Remove obsolete paragraph
2463 about use of --with-gnu-ld with --with-gnu-as.
2465 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2467 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2468 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2469 Follow spelling conventions.
2471 2009-01-18 Ben Elliston <bje@au.ibm.com>
2473 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2474 C++ warning about implicit conversion from void * to struct
2476 (bitmap_obstack_free): Likewise for bitmap_element *.
2477 * Makefile.in (bitmap.o-warn): Remove.
2479 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2481 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2483 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2484 Tobias Grosser <tobi.grosser@amd.com>
2486 * graphite.c (graphite_trans_scop_block): Do not block single
2489 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2491 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2492 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2493 test with assertion.
2495 2009-01-16 Richard Guenther <rguenther@suse.de>
2497 PR tree-optimization/38835
2499 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2500 and INT + PTR -> (INT)(PTR p+ INT) folding.
2501 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2503 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2506 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2507 the subreg from a lowpart subreg if it is also casting the value.
2509 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2510 Tobias Grosser <tobi.grosser@amd.com>
2512 * graphite.c (compare_prefix_loops): New.
2513 (build_scop_canonical_schedules): Rewritten.
2514 (graphite_transform_loops): Move build_scop_canonical_schedules
2515 after build_scop_iteration_domain.
2517 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2518 Tobias Grosser <tobi.grosser@amd.com>
2520 * graphite.c (add_conditions_to_domain): Add the loops to
2521 the dimension of the iteration domain. Do copy the domain
2522 only when it exists.
2523 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2524 (add_conditions_to_constraints): New.
2525 (can_generate_code_stmt, can_generate_code): Removed.
2526 (gloog): Do not call can_generate_code.
2527 (graphite_transform_loops): Call add_conditions_to_constraints
2528 after building the iteration domain.
2530 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2532 PR tree-optimization/38789
2533 * tree-ssa-threadedge.c
2534 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2535 __builtin_constant_p.
2537 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2539 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2540 examined before deleting them.
2542 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2544 * function.c (aggregate_value_p): Correctly extract the function
2545 type from CALL_EXPR_FN lookup.
2547 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2549 * config/picochip/picochip.c (picochip_override_options): Revert
2550 CFI asm flag disable commited previously.
2552 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2553 Tobias Grosser <tobi.grosser@amd.com>
2554 Jan Sjodin <jan.sjodin@amd.com>
2556 * graphite.c (scan_tree_for_params): On substractions negate
2557 all the coefficients of the term.
2558 (clast_to_gcc_expression_red): New. Handle reduction expressions
2559 of more than two operands.
2560 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2561 (get_vdef_before_scop): Handle also the case of default definitions.
2563 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2565 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2566 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2567 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2569 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2570 Joey Ye <joey.ye@intel.com>
2573 * cfgexpand.c (expand_stack_alignment): Don't update stack
2574 boundary nor check incoming stack boundary here.
2575 (gimple_expand_cfg): Update stack boundary and check incoming
2576 stack boundary here.
2578 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2580 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2582 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2584 PR rtl-optimization/38245
2585 * calls.c (expand_call): Add stack arguments to
2586 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2587 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2588 in regs and partially in memory or BLKmode arguments.
2589 (emit_library_call_value_1): Add stack arguments to
2590 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2591 ACCUMULATE_OUTGOING_ARGS).
2592 * dce.c: Include tm_p.h.
2593 (find_call_stack_args): New function.
2594 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2596 (mark_insn): Call find_call_stack_args for CALL_Ps.
2597 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2598 forwards. Allocate and free arg_stores bitmap if needed, pass it
2599 down to deletable_insn_p, don't mark stores set in arg_stores
2600 bitmap, clear the bitmap at the beginning of each bb.
2601 * Makefile.in (dce.o): Depend on $(TM_P_H).
2603 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2606 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2607 to make sure the insn is a conditional test (bug 22599). Reformat a
2610 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2613 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2614 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2615 (gloog): Do not call cleanup_tree_cfg.
2616 (graphite_transform_loops): Call cleanup_tree_cfg after all
2617 scops have been code generated.
2619 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2620 * doc/gty.texi (Invoking the garbage collector): Added new node
2621 and section documenting ggc_collect.
2623 2009-01-14 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/38826
2627 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2628 initialization notes only if we actually emitted a warning.
2629 (intra_create_variable_infos): Add constraints for a result decl
2630 that is passed by hidden reference.
2631 (build_pred_graph): Mark all related variables non-direct on
2634 2009-01-14 Nick Clifton <nickc@redhat.com>
2636 * ira-conflicts.c: Include addresses.h for the definition of
2638 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2639 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2641 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2644 * Makefile.in (ira-lives.o): Add except.h.
2646 * ira-lives.c: Include except.h.
2647 (process_bb_node_lives): Process can_throw_internal.
2649 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2651 PR rtl-optimization/38774
2652 * combine.c (simplify_set): When undoing cc_use change, don't do
2653 PUT_CODE on the newly created comparison, but instead put back the
2656 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2658 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2659 values. Remove duplicate arm8 entry.
2661 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2663 PR tree-optimization/38786
2664 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2665 the SSA_NAME case of expand_scalar_variables_expr.
2666 Set the type of an expression to the type of its assign statement.
2667 (expand_scalar_variables_expr): Also gather the scalar computation
2668 used to index the memory access. Do not pass loop_p.
2669 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2670 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2671 the gimple_stmt_iterator where it inserts new code.
2673 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2674 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2676 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2678 * graphite.h (debug_value): Removed.
2679 * graphite.c (debug_value): Removed.
2681 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2683 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2684 ldrd/strd with two 32-bit instructions.
2686 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2688 * config/arm/arm.c (struct processors): Pass for speed down into
2689 cost helper functions.
2690 (const_ok_for_op): Handle COMPARE and inequality nodes.
2691 (arm_rtx_costs_1): Rewrite.
2692 (arm_size_rtx_costs): Update prototype.
2693 (arm_rtx_costs): Pass speed down to helper functions.
2694 (arm_slowmul_rtx_costs): Rework cost calculations.
2695 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2696 (arm_9e_rtx_costs): Likewise.
2698 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2700 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2701 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2702 (alpha_legitimize_address): Do not split local symbols wider than
2703 UNITS_PER_WORD into HIGH/LO_SUM parts.
2705 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2708 * gcc.c (process_command): Replace call to execvp with calls
2709 to pex_one and exit.
2711 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2714 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2715 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2716 variant for devices with 3-byte PC.
2717 (__tablejump_elpm__) : New.
2719 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2722 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2723 offsetof member-designator, handle it as `[0].'.
2725 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2727 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2728 function when not using named sections on targets with named sections
2729 if branch distance is less than 262132.
2731 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2733 * combine.c (combine_instructions): Recompute
2734 optimize_this_for_speed_p for each BB in the main combine loop.
2736 2009-01-12 Tomas Bily <tbily@suse.cz>
2739 * tree-loop-distribution.c (prop_phis): New function.
2740 (generate_builtin): Call prop_phis.
2741 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2743 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2745 PR tree-optimization/38807
2746 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2747 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2749 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2751 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2752 subreg of op0 to the original op0.
2754 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2756 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2758 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2761 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2762 starting with digits.
2764 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2767 * config/arm/arm.c (arm_is_long_call_p): Don't call
2768 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2770 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2772 * regrename.c (regrename_optimize): Fix dumping.
2773 (find_oldest_value_reg): Preserve REG_POINTER.
2774 (copy_hardreg_forward_1): Likewise.
2776 2009-01-09 Diego Novillo <dnovillo@google.com>
2778 * gimple.h (struct gimple_statement_base) <uid>: Document
2779 the restrictions on its use.
2781 (gimple_set_uid): Tidy.
2783 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2785 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2786 zero guard even if align_bytes != 0 and count is smaller than
2789 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2791 PR rtl-optimization/38495
2792 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2793 (add_range_and_copies_from_move_list): Print all added ranges.
2794 Add ranges to memory optimized destination.
2796 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2800 * config/i386/i386.c (override_options): Reject
2801 -mstringop-strategy=rep_8byte with -m32.
2802 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2803 to 1. Do count comparison against epilogue_size_needed at compile
2804 time even when count_exp was constant forced into register. For
2805 size_needed don't jump to epilogue, instead just avoid aligning
2806 and invoke the body algorithm. If need_zero_guard, add zero guard
2807 even if count is non-zero, but smaller than size_needed + number of
2808 bytes that could be stored for alignment.
2809 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2810 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2811 but smaller than size_needed + number of bytes that could be stored
2812 for alignment. Compare size_needed with epilogue_size_needed instead
2813 of desired_align - align, don't adjust size_needed, pass
2814 epilogue_size_needed to the epilogue expanders.
2817 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2819 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2821 * pa.c (last_address): Change to unsigned.
2822 (update_total_code_bytes): Change argument to unsigned. Don't
2823 check if insn addresses are set.
2824 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2825 addresses are not set.
2826 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2828 2009-01-09 Nick Clifton <nickc@redhat.com>
2830 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2831 DECL_DECLARED_INLINE_P.
2833 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2836 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2837 GET_MODE (op0) in operand_subword_force calls.
2840 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2841 fold_convert arg0 operands to TREE_TYPE (op0) first.
2843 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2845 * params.def (ira-max-conflict-table-size): Decrease default value
2848 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2850 PR tree-optimization/37031
2851 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2853 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2854 allocate it using gc instead of heap, use VEC_quick_push instead of
2856 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2857 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2858 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2859 allocated vector from heap allocated.
2860 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2861 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2862 vector only after perfect_loop_nest_depth call.
2864 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2865 Jan Sjodin <jan.sjodin@amd.com>
2867 PR tree-optimization/38559
2868 * graphite.c (debug_value, copy_constraint,
2869 swap_constraint_variables, scale_constraint_variable, ): New.
2870 (get_lower_bound, get_upper_bound): Removed.
2871 (graphite_trans_bb_strip_mine): Clean up this code that works
2872 only for constant number of iterations. Fully copy upper and
2873 lower bound constraints, not only the constant part of them.
2874 * graphite.h (debug_value): Declared.
2876 2009-01-08 Ira Rosen <irar@il.ibm.com>
2878 PR tree-optimization/37194
2879 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2880 Don't add the cost of cost model guard in prologue to scalar
2881 outside cost in case of known number of iterations.
2883 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2884 Alan Modra <amodra@bigpond.net.au>
2886 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2887 non-word-aligned REG+CONST addressing.
2889 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2892 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2893 free_after_compilation when outputting a thunk.
2894 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2895 Do not call free_after_compilation here.
2897 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2899 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2900 (ix86_valid_target_attribute_inner_p): Ditto.
2902 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2904 PR tree-optimization/38492
2905 PR tree-optimization/38498
2906 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2907 * tree-chrec.h (scev_is_linear_expression): Declared.
2908 * graphite.c (graphite_cannot_represent_loop_niter): New.
2909 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2910 (graphite_loop_normal_form): Use gcc_assert.
2911 (scan_tree_for_params): Use CASE_CONVERT.
2912 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2913 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2914 Use gcc_assert. Discard scops that contain unhandled cases.
2915 (build_scop_conditions): Return a boolean status for unhandled cases.
2916 (strip_mine_profitable_p): Print the loop number, not its depth.
2917 (is_interchange_valid): Pass the depth of the loop nest, don't
2918 recompute it wrongly.
2919 (graphite_trans_bb_block): Same.
2920 (graphite_trans_bb_block): Print tentative of loop blocking.
2921 (graphite_trans_scop_block): Do not print that the loop has been
2923 (graphite_transform_loops): Do not handle scops that contain condition
2926 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2928 AVX Programming Reference (December, 2008)
2929 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2930 (_mm256_stream_pd): Likewise.
2931 (_mm256_stream_ps): Likewise.
2933 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2934 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2935 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2936 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2937 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2938 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2939 (ix86_expand_special_args_builtin): Likewise.
2941 * config/i386/sse.md (AVXMODEDI): New.
2942 (avx_movnt<mode>): Likewise.
2943 (avx_movnt<mode>): Likewise.
2944 (<sse>_movnt<mode>): Remove AVX support.
2945 (sse2_movntv2di): Likewise.
2947 2009-01-07 Richard Guenther <rguenther@suse.de>
2950 * fold-const.c (extract_muldiv): Remove obsolete comment.
2951 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2952 to PLUS_EXPR canonicalization for the canonicalization.
2954 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2956 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2957 hosted cross-compilers generating less efficient code.
2959 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2961 * function.h (rtl_data): Add a dbr_scheduled_p field.
2962 * reorg.c (dbr_schedule): Set it.
2963 (gate_handle_delay_slots): Check it.
2964 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2965 (mips_reorg): Check flag_delayed_branch instead of
2966 mips_base_delayed_branch.
2967 (mips_override_options): Don't set mips_base_delayed_branch
2968 or flag_delayed_branch.
2970 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2972 PR rtl-optimization/38426.
2973 * ira.c (ira): Set current_function_is_leaf earlier.
2975 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2977 PR rtl-optimization/38722
2978 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2979 too early, only set a flag and modify after last possible
2982 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2985 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2986 * real.c (decimal_single_format): Correct values of emin and emax.
2987 (decimal_double_format): Ditto.
2988 (decimal_quad_format): Ditto.
2989 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2990 computation of DECnn_MIN and DECnn_MAX for corrected values of
2991 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2992 __DECnn_MIN__, and adjust its computation for the corrected value
2995 2009-01-06 Jan Hubicka <jh@suse.cz>
2998 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3000 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3002 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3003 Add Robert Clark to the list of testers.
3005 2009-01-06 Jan Hubicka <jh@suse.cz>
3006 Kai Tietz <kai.tietz@onevision.com>
3008 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3009 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3011 2009-01-06 Jan Hubicka <jh@suse.cz>
3012 Kai Tietz <kai.tietz@onevision.com>
3014 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3016 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3017 (ix86_nsaved_regs): Count only general purpose regs.
3018 (ix86_nsaved_sseregs): New.
3019 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3020 to 16 for w64; compute padding and size of sse reg save area.
3021 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3022 general purpose regs.
3023 (ix86_emit_save_sse_regs_using_mov): New.
3024 (ix86_expand_prologue): Save SSE regs if needed.
3025 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3026 (ix86_emit_restore_sse_regs_using_mov): New.
3027 (ix86_expand_epilogue): Save SSE regs if needed.
3029 2009-01-06 Jan Hubicka <jh@suse.cz>
3030 Kai Tietz <kai.tietz@onevision.com>
3032 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3033 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3034 functions when accumulate outgoing args is off.
3036 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3039 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3040 before using pseudos_have_intersected_live_ranges_p.
3042 * ira-int.h (ira_assert): Always define.
3044 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3046 AVX Programming Reference (December, 2008)
3047 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3048 (_mm256_permute2_pd): Likewise.
3049 (_mm_permute2_ps): Likewise.
3050 (_mm256_permute2_ps): Likewise.
3051 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3052 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3054 * config/i386/i386.c (ix86_builtins): Remove
3055 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3056 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3057 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3058 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3059 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3060 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3061 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3062 __builtin_ia32_vpermil2ps256.
3063 (ix86_init_mmx_sse_builtins): Updated.
3064 (ix86_expand_args_builtin): Likewise.
3066 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3068 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3069 long absolute calls when generating PA 2.0 code.
3071 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3073 PR rtl-optimization/38583
3074 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3076 * params.def (ira-max-conflict-table-size): New.
3078 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3080 * ira.h (ira_conflicts_p): New external definition.
3082 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3083 table. Report this. Return result of building.
3084 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3085 building conflict table.
3087 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3088 (ira_color): Use ira_conflicts_p.
3090 * global.c: Include ira.h.
3091 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3094 * Makefile.in (global.o): Add ira.h.
3096 * ira-build.c (mark_all_loops_for_removal,
3097 propagate_some_info_from_allocno): New.
3098 (remove_unnecessary_allocnos): Call
3099 propagate_some_info_from_allocno.
3100 (remove_low_level_allocnos): New.
3101 (remove_unnecessary_regions): Add parameter. Call
3102 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3103 parameter to remove_unnecessary_regions.
3104 (ira_build): Remove all regions but root if the conflict table was
3105 not built. Update conflict hard regs for allocnos crossing calls.
3107 * ira.c (ira_conflicts_p): New global.
3108 (ira): Define and use ira_conflicts_p.
3110 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3111 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3112 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3114 2009-01-06 Ben Elliston <bje@au.ibm.com>
3116 * gengtype-lex.l (YY_NO_INPUT): Define.
3118 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3121 * c-common.c (handle_vector_size_attribute): Also reject
3124 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3126 PR tree-optimization/38492
3127 * graphite.c (rename_map_elt, debug_rename_elt,
3128 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3129 rename_map_elt_info, eq_rename_map_elts,
3130 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3131 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3132 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3133 (sese_build_livein_liveouts): New.
3134 (new_sese, free_sese): New.
3135 (new_scop): Call new_sese.
3136 (free_scop): Call free_sese.
3137 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3138 (register_old_new_names): Renamed register_old_and_new_names.
3139 (register_scop_liveout_renames, add_loop_exit_phis,
3140 insert_loop_close_phis, struct igp,
3141 default_liveout_before_guard, add_guard_exit_phis,
3142 insert_guard_phis, copy_renames): New.
3143 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3144 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3145 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3146 (scop_adjust_phis_for_liveouts): New.
3147 (gloog): Call scop_adjust_phis_for_liveouts.
3149 * graphite.h (struct sese): Documented. Added fields liveout,
3151 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3152 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3153 (struct scop): Added field liveout_renames.
3154 (SCOP_LIVEOUT_RENAMES): New.
3156 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3158 PR tree-optimization/38510
3159 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3160 (translate_clast): Call recompute_all_dominators before
3162 (gloog): Call recompute_all_dominators before graphite_verify.
3164 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3165 Jan Sjodin <jan.sjodin@amd.com>
3167 PR tree-optimization/38500
3168 * graphite.c (create_sese_edges): Call fix_loop_structure after
3171 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3173 * config.gcc: Add m32r*-*-rtems*.
3174 * config/m32r/rtems.h: New file.
3176 2009-01-05 Ben Elliston <bje@au.ibm.com>
3178 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3179 (.po.pox): Likewise.
3180 (po/gcc.pot): Likewise.
3182 2009-01-04 David S. Miller <davem@davemloft.net>
3184 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3185 (STARTING_FRAME_OFFSET): Always set to zero.
3187 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3189 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3190 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3191 fixed-point types, and vectors of the same.
3193 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3195 * config/mips/sync.md (*mb_barrier): Rename to...
3196 (*memory_barrier): ...this.
3198 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3200 * doc/extend.texi (Function Attributes): Move @cindex after @item
3201 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3202 and put in alphabetical order. Fix 'target' name and put in order.
3203 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3206 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3208 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3209 (memory_barrier): Expand as unspec instead of unspec_volatile.
3210 Remove mem:BLK from insn operands. Use Pmode scratch register.
3211 (*memory_barrier): Define as unspec instead of unspec_volatile.
3212 Use (match_dup 0) as input operand.
3214 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3215 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3216 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3217 scratch register. Remove operand 1.
3218 (*stbar): Define as unspec instead of unspec_volatile.
3219 Use (match_dup 0) as input operand, remove (const_int 8).
3220 (*membar): Define as unspec instead of unspec_volatile.
3221 Use (match_dup 0) as input operand, remove input operand 2.
3223 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3224 (memory_barrier): Expand as unspec instead of unspec_volatile.
3225 Remove mem:BLK from insn operands. Use Pmode scratch register.
3226 (*memory_barrier): Define as unspec instead of unspec_volatile.
3227 Use (match_dup 0) as input operand.
3229 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3230 Remove mem:BLK from insn operands. Use Pmode scratch register.
3231 Set volatile flag on operand 0.
3232 (*memory_barrier): New insn pattern.
3234 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3236 (*memory_barrier): Use (match_dup 0) as input operand.
3238 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3239 Remove mem:BLK from insn operands. Use Pmode scratch register.
3240 Set volatile flag on operand 0.
3241 (*mb_internal): New insn pattern.
3243 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3245 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3248 * function.c (struct temp_slot): Move to the section of the file
3249 that deals with temp slots. Remove field 'address'.
3250 (temp_slot_address_table): New hash table of address -> temp slot.
3251 (struct temp_slot_address_entry): New struct, items for the table.
3252 (temp_slot_address_compute_hash, temp_slot_address_hash,
3253 temp_slot_address_eq, insert_temp_slot_address): Support functions
3255 (find_temp_slot_from_address): Rewrite to use the new hash table.
3256 (remove_unused_temp_slot_addresses): Remove addresses of temp
3257 slots that have been made available.
3258 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3259 worker function for remove_unused_temp_slot_addresses.
3260 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3261 Add the temp slot address to the address -> temp slot map.
3262 (update_temp_slot_address): Update via insert_temp_slot_address.
3263 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3264 (pop_temp_slots): Likewise.
3265 (init_temp_slots): Allocate the address -> temp slot map, or empty
3266 the map if it is already allocated.
3267 (prepare_function_start): Initialize temp slot processing.
3269 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3272 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3273 Calculate the size of all stack vars assuming no packing of stack
3274 vars will happen, replacing a quadratic algorithm with a linear one.
3276 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3279 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3282 2009-01-03 Diego Novillo <dnovillo@google.com>
3284 * doc/contrib.texi: Update contributions.
3286 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3289 * builtins.c (fold_builtin_memory_op): Give up if either operand
3290 is volatile. Set srctype or desttype to non-qualified version
3294 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3297 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3299 PR rtl-optimization/35805
3300 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3301 problem if fast dce is able to remove any instructions.
3302 * dce.c (dce_process_block): Fix dump message.
3304 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3307 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3309 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3312 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3313 * tree-pretty-print.c (op_code_prio): New function.
3314 (op_prio): No longer static. Use op_code_prio.
3315 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3316 Use op_prio and op_code_prio to determine if () should be
3317 printed around operand(s) or not.
3319 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3320 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3321 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3322 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3323 pp_character instead of pp_string for single letter printing.
3325 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3327 * doc/extend.texi: Fix '#pragma GCC option' typo.
3329 2009-01-02 Richard Guenther <rguenther@suse.de>
3331 * doc/install.texi (--enable-checking): Mention different
3333 (--enable-stage1-checking): Document.
3335 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3338 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3339 case to be an error.
3341 2009-01-02 Ben Elliston <bje@au.ibm.com>
3343 * config/fp-bit.h (pack_d): Constify argument.
3344 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3345 (isnan): Constify argument.
3349 (_fpadd_parts): Constify return type.
3350 (_fpmul_parts): Likewise.
3351 (_fpdiv_parts): Likewise.
3353 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3356 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3357 warn about overwriting initializer with side-effects or
3358 -Woverride-init if !IMPLICIT.
3359 (output_init_element): Likewise. Pass IMPLICIT down to
3361 (process_init_element): Add IMPLICIT argument. Pass it down
3362 to output_init_element.
3363 (push_init_element, pop_init_level, set_designator): Adjust
3364 process_init_element callers.
3365 (set_nonincremental_init, set_nonincremental_init_from_string):
3366 Adjust add_pending_init callers.
3367 (output_pending_init_elements): Adjust output_init_element callers.
3368 * c-tree.h (process_init_element): Adjust prototype.
3369 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3370 process_init_element callers.