1 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4 * c-common.c (handle_aligned_attribute): Properly check alignment
5 overflow. Use (1U << i) instead of (1 << i).
7 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
10 * expr.h (get_mem_align_offset): Updated.
12 * tree.h (tree_decl_common): Change align to "unsigned int" and
13 move it before pointer_alias_set.
15 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
16 Jakub Jelinek <jakub@redhat.com>
19 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
20 gr_register_operand with gr_reg_or_0_operand.
21 (cmpxchg_rel_di): Likewise.
22 (sync_lock_test_and_set<mode>): Likewise.
24 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
26 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
27 (true_regnum): Likewise.
29 * rtlanal.c (subreg_info): Moved to ...
30 * rtl.h (subreg_info): Here. New.
31 (subreg_get_info): New.
33 * rtlanal.c (subreg_get_info): Make it extern.
35 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
38 * config/i386/i386.c (ix86_abi): New.
39 (override_options): Handle -mabi=.
40 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
42 (ix86_call_abi_override): Likewise.
43 (init_cumulative_args): Likewise.
44 (function_arg_advance): Likewise.
45 (function_arg_64): Likewise.
46 (function_arg): Likewise.
47 (ix86_pass_by_reference): Likewise.
48 (ix86_function_value_regno_p): Likewise.
49 (ix86_build_builtin_va_list_abi): Likewise.
50 (setup_incoming_varargs_64): Likewise.
51 (is_va_list_char_pointer): Likewise.
52 (ix86_init_machine_status): Likewise.
53 (ix86_reg_parm_stack_space): Use enum calling_abi on
55 (ix86_function_type_abi): Return enum calling_abi. Rewrite
56 for 64bit. Replace DEFAULT_ABI with ix86_abi.
57 (ix86_function_abi): Make it static and return enum
59 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
61 (ix86_fn_abi_va_list): Updated.
63 * config/i386/i386.h (ix86_abi): New.
64 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
65 (CONDITIONAL_REGISTER_USAGE): Likewise.
66 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
67 (machine_function): Likewise.
69 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
71 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
72 (STACK_BOUNDARY): Likewise.
73 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
75 * config/i386/i386.opt (mabi=): New.
77 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
78 return enum calling_abi.
79 (ix86_function_type_abi): Likewise.
80 (ix86_function_abi): Removed.
82 * doc/invoke.texi: Document -mabi= option for x86.
84 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * builtins.c (real_dconstp): Delete.
87 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
89 2009-03-27 Dodji Seketeli <dodji@redhat.com>
90 Jakub Jelinek <jakub@redhat.com>
93 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
94 (gen_subprogram_die): When a function is explicit, generate the
95 DW_AT_explicit attribute.
96 * langhooks.h (struct lang_hooks_for_decls): Add
97 function_decl_explicit_p langhook.
98 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
99 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
101 2009-03-27 Jakub Jelinek <jakub@redhat.com>
103 * builtins.c (fold_builtin_memory_op): Optimize memmove
104 into memcpy if we can prove source and destination don't overlap.
106 * tree-inline.c: Include gt-tree-inline.h.
107 (clone_fn_id_num): New variable.
108 (clone_function_name): New function.
109 (tree_function_versioning): Use it.
110 * Makefile.in (GTFILES): Add tree-inline.c.
112 2009-03-27 Mark Mitchell <mark@codesourcery.com>
114 * BASE-VER: Change to 4.5.0.
116 2009-03-27 Xinliang David Li <davidxl@google.com>
118 PR tree-optimization/39557
119 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
121 2009-03-27 Xinliang David Li <davidxl@google.com>
123 PR tree-optimization/39548
124 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
127 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
129 * c-common.c (pointer_int_sum): Use %wd on return from
132 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
134 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
135 on return from tree_low_cst.
137 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
140 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
142 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
145 * builtins.h (c_strlen): Do not warn here.
146 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
147 * c-common.c (pointer_int_sum): Take an explicit location.
148 Warn about offsets out of bounds.
149 * c-common.h (pointer_int_sum): Adjust declaration.
151 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
153 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
156 2009-03-26 Jakub Jelinek <jakub@redhat.com>
159 * opts.c (warn_if_disallowed_function_p): Don't assume
160 get_callee_fndecl must return non-NULL.
162 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
164 PR rtl-optimization/39522
165 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
166 when reg_reloaded_valid is set.
168 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
170 * config/spu/divv2df3.c: New file.
171 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
172 (DPBIT_FUNCS): Filter out _div_df.
174 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
176 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
177 a jump insn, count that jump in the distance to the loop start.
179 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
182 * config/sh/sh.c (calc_live_regs): Fix condition for global
183 registers except PIC_OFFSET_TABLE_REGNUM.
185 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
188 * doc/invoke.texi (-mconsole): New.
192 (-mnop-fun-dllimport): New.
196 (sub section "i386 and x86-64 Windows Options"): New.
198 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
200 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
201 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
203 2009-03-25 Richard Guenther <rguenther@suse.de>
206 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
209 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
211 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
212 neither of haifa/selective schedulers are working.
214 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
216 * doc/invoke.texi (Debugging Options): Fix description of
217 -fno-merge-debug-strings.
219 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
221 * config/cris/libgcc.ver: New version-script.
222 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
224 * configure.ac <GAS features, nop mnemonic>: Add pattern
225 crisv32-*-* for "nop".
226 <GAS features, Thread-local storage>: Add item for CRIS and
228 * configure: Regenerate.
230 2009-03-24 Ira Rosen <irar@il.ibm.com>
232 PR tree-optimization/39529
233 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
234 mark_sym_for_renaming for the tag copied to the new vector
237 2009-03-24 Arthur Loiret <aloiret@debian.org>
239 * config.host (alpha*-*-linux*): Use driver-alpha.o and
241 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
242 EXTRA_SPEC_FUNCTIONS.
243 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
244 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
245 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
246 -march and -mtune options.
248 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
250 * config/m68k/t-rtems: Add m5329 multilib.
252 2009-03-24 Dodji Seketeli <dodji@redhat.com>
253 Jakub Jelinek <jakub@redhat.com>
256 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
259 2009-03-23 Jakub Jelinek <jakub@redhat.com>
262 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
263 instead of c_parser_expression_conv, if original_code isn't one of the
264 4 allowed comparison codes, fail.
266 2009-03-23 Richard Guenther <rguenther@suse.de>
268 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
269 * tree.h (struct tree_type): Likewise.
270 * reload.h (struct insn_chain): Likewise.
271 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
272 * function.h (struct function): Likewise.
273 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
275 2009-03-23 Jakub Jelinek <jakub@redhat.com>
277 PR tree-optimization/39516
278 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
280 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
282 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
283 should be set true if BITS_PER_WORD of target is bigger than 32
285 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
287 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
288 Translate -B-options to -rpath-link. Correct existing
289 rpath-link and conditionalize on !nostdlib.
291 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
293 * doc/extend.texi (Function Attributes, Variable Attributes):
295 * doc/invoke.texi (Debugging Options, Optimize Options)
296 (i386 and x86-64 Options, MCore Options): Likewise.
298 2009-03-20 Jakub Jelinek <jakub@redhat.com>
301 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
302 it for block local namespace aliases.
303 (gen_decl_die): Pass context_die to gen_namespace_die.
305 2009-03-19 Jakub Jelinek <jakub@redhat.com>
308 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
309 minimum or maximum value.
311 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
313 * reginfo.c (globalize_reg): Recompute derived reg sets.
315 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
318 * libgcc2.c (mprotect): Do not use signed arguments for
319 VirtualProtect, use DWORD arguments. Also fix the 'may
320 be used uninitialized' warning for the np variable.
322 2009-03-19 Jakub Jelinek <jakub@redhat.com>
325 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
326 functions using regparm calling conventions when not optimizing.
327 (ix86_function_sseregparm): Similarly for sseregparm calling
330 2009-03-19 Li Feng <nemokingdom@gmail.com>
333 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
334 dependence if the first conflict is after niter iterations.
336 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
339 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
340 functions with dynamic stack-pointer adjustments.
342 2009-03-19 Ben Elliston <bje@au.ibm.com>
344 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
345 option; change to -msdata=data.
347 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
349 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
352 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
355 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
357 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
359 * doc/invoke.texi (Code Gen Options): Expand discussion of
362 2009-03-18 Jakub Jelinek <jakub@redhat.com>
364 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
365 * matrix-reorg.c (struct matrix_info): Likewise.
366 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
367 * rtl.h (struct mem_attrs): Likewise.
368 * df.h (struct df): Likewise.
369 * tree-data-ref.h (struct data_dependence_relation): Likewise.
370 * ira-int.h (struct ira_allocno): Likewise.
371 * df-scan.c (struct df_collection_rec): Likewise.
372 * ira.c (struct equivalence): Likewise.
373 * function.c (struct temp_slot): Likewise.
374 * cfgloop.h (struct loop): Likewise.
377 * function.c (use_register_for_decl): When not optimizing, disregard
378 register keyword for variables with types containing methods.
380 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
383 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
384 (is_simple_operand): Call contains_component_ref_p before calling data
385 reference analysis that would fail on COMPONENT_REFs.
387 * tree-vrp.c (search_for_addr_array): Fix formatting.
389 2009-03-18 Richard Guenther <rguenther@suse.de>
391 * tree-vect-transform.c (vect_loop_versioning): Fold the
392 generated comparisons.
393 * tree-vectorizer.c (set_prologue_iterations): Likewise.
394 (slpeel_tree_peel_loop_to_edge): Likewise.
396 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
399 * opts.c (print_specific_help): In addition to `undocumented',
400 accept `separate' and `joined' flags if passed alone. Describe
401 output by the first matched one of those.
402 (common_handle_option): Skip over empty strings.
403 * gcc.c (display_help): Fix help string for `--help='.
404 * doc/invoke.texi (Option Summary, Overall Options): With
405 `--help=', classes and qualifiers can both be repeated, but
406 only the latter can be negated. One should not pass only
407 negated qualifiers. Fix markup and examples.
410 2008-10-14 Jakub Jelinek <jakub@redhat.com>
412 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
415 2009-03-17 Jing Yu <jingyu@google.com>
418 * function.h (struct rtl_data): Move is_thunk from here...
419 (struct function): ...to here.
420 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
421 * varasm.c (assemble_start_function): Change is_thunk from crtl to
423 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
425 (alpha_does_function_need_gp, alpha_start_function): Likewise.
426 (alpha_output_function_end_prologue): Likewise.
427 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
428 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
429 (rs6000_output_function_epilogue): Likewise.
430 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
432 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
435 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
436 from different units in a single alternative.
437 (*truncdfsf_i387): Ditto.
438 (*truncxfsf2_mixed): Ditto.
439 (*truncxfdf2_mixed): Ditto.
441 2009-03-17 Jakub Jelinek <jakub@redhat.com>
443 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
444 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
447 * tree-ssa-live.c (remove_unused_locals): Don't remove local
448 unused non-artificial variables when not optimizing.
451 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
452 DW_TAG_imported_module even if decl is IMPORTED_DECL with
453 NAMESPACE_DECL in its DECL_INITIAL.
456 * optabs.c (set_user_assembler_libfunc): New function.
457 * expr.h (set_user_assembler_libfunc): New prototype.
458 * c-common.c: Include libfuncs.h.
459 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
460 for memcmp, memset, memcpy, memmove and abort.
461 * Makefile.in (c-common.o): Depend on libfuncs.h.
464 * dwarf2out.c (gen_inlined_enumeration_type_die,
465 gen_inlined_structure_type_die, gen_inlined_union_type_die,
466 gen_tagged_type_instantiation_die): Removed.
467 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
470 2009-03-17 Janis Johnson <janis187@us.ibm.com>
473 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
475 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
476 (check-parallel-%): Ditto.
477 (check-consistency): Ditto.
479 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
481 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
482 local variable rhs by NULL_TREE.
484 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
487 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
489 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
492 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
494 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
497 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
498 for ms->sysv ABI calls only in 64bit mode.
500 * config/i386/i386.md (untyped_call): Support 32bit.
502 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
504 * doc/extend.texi: Replace x86_65 with x86_64.
506 2009-03-16 Jakub Jelinek <jakub@redhat.com>
508 PR tree-optimization/39455
509 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
510 mismatches for POINTER_TYPE_P (type).
511 (number_of_iterations_le): Likewise.
513 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
515 * config/picochip/picochip.c: Removed profiling support.
516 * config/picochip/picochip.md: Removed profiling instruction.
517 * config/picochip/picochip.h: Removed profiling builtin.
519 2009-03-16 Joseph Myers <joseph@codesourcery.com>
521 * doc/install.texi (--with-host-libstdcxx): Document.
523 2009-03-14 Anatoly Sokolov <aesok@post.ru>
526 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
527 generate a warning if the function name does not begin with
528 "__vector" and the function has either the 'signal' or 'interrupt'
529 attribute, from here to ...
530 (avr_declare_function_name): ...here. New function.
531 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
532 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
534 2009-03-14 Jakub Jelinek <jakub@redhat.com>
537 * cse.c (fold_rtx): Don't modify original const_arg1 when
538 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
539 separate variable instead.
540 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
541 from out of range shift counts.
542 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
544 2008-03-13 Catherine Moore <clm@codesourcery.com>
546 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
547 diagnostic.h with $(DIAGNOSTIC_H).
549 2008-03-12 Jakub Jelinek <jakub@redhat.com>
552 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
554 * config/i386/sync.md (sync_compare_and_swap<mode>,
555 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
556 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
558 (sync_double_compare_and_swapdi_pic,
559 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
560 cmpxchg8b_pic_memory_operand instead of just memory_operand.
562 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
565 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
567 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
570 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
571 (avx_addsubv4df3): Likewise.
572 (*avx_addsubv4sf3): Likewise.
573 (sse3_addsubv4sf3): Likewise.
575 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
578 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
580 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
583 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
584 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
585 registers for allocnos created from user-defined variables.
587 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
590 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
591 of non-integer mode as well.
593 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
595 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
596 for functions for which the parameter types are unknown.
598 2009-03-11 Jakub Jelinek <jakub@redhat.com>
601 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
602 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
603 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
604 * config/i386/i386.c (ix86_local_alignment): For
605 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
606 long long variables on the stack to avoid dynamic realignment.
607 Allow the first argument to be a decl rather than type.
608 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
610 2009-03-11 Nick Clifton <nickc@redhat.com>
613 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
615 Add description to mno-lsim option.
616 * config/mcore/mcore.h: Remove comment about deprecated m4align
618 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
619 * doc/invoke.texi: Add description of mno-lsim and
620 mstack-increment options.
622 * config/fr30/fr30.opt: Document the -mno-lsim option.
623 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
624 and -mno-lsim options.
626 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
628 * fold-const.c (fold_comparison): Only call fold_inf_compare
629 if the mode supports infinities.
631 2009-03-11 Jason Merrill <jason@redhat.com>
634 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
635 end already did. Notice GIMPLE_CALL modifications of the result.
636 Don't copy debug information from an ignored decl or a decl from
639 2009-03-10 Richard Guenther <rguenther@suse.de>
640 Nathan Froyd <froydnj@codesourcery.com>
643 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
644 (__divMODE3): Likewise.
646 2009-03-09 Jakub Jelinek <jakub@redhat.com>
648 PR tree-optimization/39394
649 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
650 DECL_SIZE_UNIT of variable length FIELD_DECLs.
652 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
654 * recog.c (verfiy_changes): Disallow renaming of hard regs in
655 inline asms for register asm ("") declarations.
657 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
659 * fold-const.c (fold_unary): Fix comment.
661 2009-03-07 Jan Hubicka <jh@suse.cz>
664 * tree-inline.c (setup_one_parameter): Do replacement of const
665 argument by constant in SSA form.
667 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
670 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
671 determine alignment passed to assign_stack_local.
672 (assign_parms_unsplit_complex): Likewise.
673 * except.c (sjlj_build_landing_pads): Likewise.
675 2009-03-06 Jakub Jelinek <jakub@redhat.com>
678 * tree-flow.h (add_referenced_var): Return bool instead of void.
679 * tree-dfa.c (add_referenced_var): Return result of
680 referenced_var_check_and_insert call.
681 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
682 of referenced_var_check_and_insert.
685 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
686 (gen_variable_die): Emit DW_AT_location on abstract static variable's
687 DIE, don't emit it if abstract origin already has it.
688 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
689 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
691 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
693 * genpreds.c: (needs_variable): Fix parentheses at variable name
695 (write_tm_constrs_h): Indent generated code.
697 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
699 * doc/extend.texi (Function Attributes): Add documentation
702 2009-03-06 Jakub Jelinek <jakub@redhat.com>
705 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
706 take locus from its DECL_SOURCE_LOCATION instead of input_location.
708 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
710 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
713 2009-03-05 Jakub Jelinek <jakub@redhat.com>
716 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
717 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
719 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
721 * config/i386/i386.md (R8_REG, R9_REG): New constants.
722 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
723 constants instead of magic numbers.
724 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
726 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
727 (x86_64_ms_abi_int_parameter_registers): Ditto.
728 (x86_64_int_return_registers): Ditto.
729 (ix86_maybe_switch_abi): Ditto.
730 (ix86_expand_call): Ditto for clobbered_registers array.
731 (ix86_hard_regno_mode_ok): Ditto.
732 (x86_extended_QIreg_mentioned_p): Ditto.
734 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
736 PR tree-optimization/39349
737 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
739 * combine.c (gen_lowpart_for_combine): Use omode when generating
742 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
744 PR rtl-optimization/39235
745 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
747 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
749 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
751 2009-03-04 Richard Guenther <rguenther@suse.de>
753 PR tree-optimization/39362
754 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
755 that occur in abnormal PHIs should be varying.
757 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
759 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
761 (simple_iv): Take loop as an argument instead of statement.
762 * tree-scalar-evolution.h (simple_iv): Declaration changed.
763 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
765 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
767 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
768 * matrix-reorg.c (analyze_transpose): Ditto.
769 * tree-data-ref.c (dr_analyze_innermost): Ditto.
770 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
771 * tree-predcom.c (ref_at_iteration): Ditto.
772 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
774 2009-03-04 Richard Guenther <rguenther@suse.de>
776 PR tree-optimization/39358
777 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
778 escaped_id and callused_id.
779 (solve_graph): Likewise.
781 2009-03-04 Richard Guenther <rguenther@suse.de>
783 PR tree-optimization/39339
784 * tree-sra.c (try_instantiate_multiple_fields): Make it
785 no longer ICE on the above.
787 2009-03-03 Joseph Myers <joseph@codesourcery.com>
789 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
790 that fits within Pmode.
792 2009-03-03 Steve Ellcey <sje@cup.hp.com>
795 * tm.texi (LIBCALL_VALUE): Update description.
797 2009-03-03 Steve Ellcey <sje@cup.hp.com>
800 * doc/extend.texi (section): Update description.
802 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
805 * tree-inline.c (remapped_type): New.
806 (can_be_nonlocal): Call remapped_type instead of remap_type.
808 2009-03-03 Jakub Jelinek <jakub@redhat.com>
811 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
812 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
814 2009-03-03 Richard Guenther <rguenther@suse.de>
817 * tree.c (tree_nonartificial_location): New function.
818 * tree.h (tree_nonartificial_location): Declare.
819 * builtins.c (expand_builtin_memory_chk): Provide location
820 of the call location for artificial function pieces.
821 (maybe_emit_chk_warning): Likewise.
822 (maybe_emit_sprintf_chk_warning): Likewise.
823 (maybe_emit_free_warning): Likewise.
824 * expr.c (expand_expr_real_1): Likewise.
826 2009-03-03 Jakub Jelinek <jakub@redhat.com>
828 PR tree-optimization/39343
829 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
830 COMPONENT_REF t has ARRAY_TYPE.
832 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
835 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
836 when the type precision of the induction variable should be
837 larger than the type precision of nit.
838 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
839 * graphite.c (graphite_loop_normal_form): Same.
840 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
842 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
844 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
845 (*call_1_rex64_ms_sysv): Use named constants instead of magic
846 numbers to describe clobbered registers.
847 (*call_value_0_rex64_ms_sysv): Ditto.
848 * config/i386/mmx.md (mmx_emms): Ditto.
851 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
853 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
856 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
858 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
859 (spu_section_type_flags): New function.
861 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
863 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
864 reg_class_contents of FLOAT_REGS into a temporary.
866 2009-03-02 Richard Guenther <rguenther@suse.de>
867 Ira Rosen <irar@il.ibm.com>
869 PR tree-optimization/39318
870 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
871 information to the vectorized statement.
873 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
875 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
876 variable. Use defined names instead of magic constants for REX SSE
879 2009-03-01 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/39331
882 * omp-low.c (lower_send_shared_vars): Do not receive new
883 values for the reference of DECL_BY_REFERENCE parms or results.
885 2009-03-01 Jan Hubicka <jh@suse.cz>
888 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
889 BLOCK_NONLOCALIZED_VAR): New macros.
890 (tree_block): Add nonlocalized_vars.
891 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
892 gen_decl_die): Add origin argument. Allow generation of die with
894 (gen_member_die, gen_type_die_with_usage, force_decl_die,
895 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
897 (gen_block_die): Fix checking for unused blocks.
898 (process_scope_var): Break out from .... ; work with origins only.
899 (decls_for_scope) ... here; process nonlocalized list.
900 (dwarf2out_ignore_block): Look for nonlocalized vars.
901 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
903 (dump_scope_block): Dump them.
904 * tree-inline.c (remap_decls): Handle nonlocalized vars.
905 (remap_block): Likewise.
906 (can_be_nonlocal): New predicate.
907 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
909 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
911 * configure: Regenerate.
913 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
915 * optc-gen.awk: No need to duplicate option flags twice.
916 Reuse help texts for duplicate options which do not have any.
918 * gcc.c (display_help): Document --version.
920 * gcc.c (main): If print_help_list and verbose_flag, ensure
921 driver output comes before subprocess output.
923 * optc-gen.awk: Assign all remaining fields to help string,
924 space-separated, for multi-line help in *.opt.
926 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
927 -Wno-pedantic-ms-format is for MinGW targets only.
929 * doc/options.texi (Option file format): Fix bad indentation,
930 restoring dropped sentence.
932 2009-02-28 Jan Hubicka <jh@suse.cz>
934 * tree-inline.c (tree_function_versioning): Output debug info.
936 2009-02-28 Jan Hubicka <jh@suse.cz>
939 * tree-inline.c (setup_one_parameter): Do not copy propagate
940 arguments when not optimizing.
942 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
945 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
946 (avx_addsubv4df3): Likewise.
947 (*avx_addsubv4sf3): Likewise.
948 (sse3_addsubv4sf3): Likewise.
949 (*avx_addsubv2df3): Likewise.
950 (sse3_addsubv2df3): Likewise.
951 (avx_unpckhps256): Correct item selectors.
952 (avx_unpcklps256): Likewise.
953 (avx_unpckhpd256): Likewise.
954 (avx_unpcklpd256): Likewise.
956 2009-02-28 Jan Hubicka <jh@suse.cz>
958 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
960 (copy_arguments_for_versioning): If var is declared don't declare it.
961 (tree_function_versioning): First setup substitutions and then copy
964 2009-02-27 Jan Hubicka <jh@suse.cz>
967 * cgraph.h (varpool_output_debug_info): Remove.
968 * cgraphunit.c (varpool_output_debug_info): Remove.
969 * dwarf2out.c (deferred_locations_struct): New struct
970 (deferred_locations): New type.
971 (deferred_locations_list): New static var.
972 (deffer_location): New function.
973 (gen_variable_die): Use it.
974 (decls_for_scope): Output info on local static vars.
975 (dwarf2out_finish): Process deferred locations.
976 * varpool.c (varpool_output_debug_info): Remove.
978 2009-02-27 Jan Hubicka <jh@suse.cz>
981 * tree.h (TREE_PROTECTED): Fix comment.
982 (BLOCK_HANDLER_BLOCK): Remove.
983 (struct tree_block): Remove handler_block add body_block.
984 (inlined_function_outer_scope_p): New.
985 (is_body_block): Remove.
986 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
987 * dwarf2out.c (is_inlined_entry_point): Remove.
988 (add_high_low_attributes): Use inlined_function_outer_scope_p.
989 (gen_block_die): Use is_inlined_entry_point check. Remove body block
991 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
992 * gimplify.c (gimplify_expr): Gimplify body blocks.
993 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
994 block with multiple subblocks.
995 (dump_scope_block): Prettier output; dump more flags and info.
996 (dump_scope_blocks): New.
997 (remove_unused_locals): Use dump_scope_blocks.
998 * tree-flow.h (dump_scope_blocks): Declare.
999 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1000 * stmt.c (is_body_block): Remove.
1001 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1002 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1004 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1007 * graphite.c (graphite_loop_normal_form): Do not call
1008 number_of_iterations_exit from a gcc_assert.
1010 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1012 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1013 jumps if COND is NULL.
1014 (find_cond_jump): New function.
1015 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1016 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1018 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1020 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1021 force_const_mem returns NULL_RTX.
1023 2009-02-26 Jan Hubicka <jh@suse.cz>
1026 * cgraph.h (varpool_output_debug_info): Remove.
1027 * cgraphunit.c (varpool_output_debug_info): Remove.
1028 * dwarf2out.c (deferred_locations_struct): New struct
1029 (deferred_locations): New type.
1030 (deferred_locations_list): New static var.
1031 (deffer_location): New function.
1032 (gen_variable_die): Use it.
1033 (decls_for_scope): Output info on local static vars.
1034 (dwarf2out_finish): Process deferred locations.
1035 * varpool.c (varpool_output_debug_info): Remove.
1037 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1039 PR rtl-optimization/39241
1040 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1041 to subreg_offset_representable_p.
1043 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1045 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1046 execute function prototype. Get f and nregs from max_reg_num
1047 and get_insns. Remove the first backward pass as it's dead,
1048 guard the forward pass by flag_expensive_optimizations.
1049 (rest_of_handle_regmove): Delete.
1050 (pass_regmove): Replace it with regmove_optimize.
1052 2009-02-25 Martin Jambor <mjambor@suse.cz>
1054 PR tree-optimization/39259
1055 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1056 calls_alloca function flags.
1057 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1060 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1062 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1063 flags_set_1_rtx, flags_set_1_set): Delete.
1064 (regmove_optimize): Do not call mark_flags_life_zones.
1066 2009-02-24 Julian Brown <julian@codesourcery.com>
1069 * config/arm/arm.c (require_pic_register): Only set
1070 cfun->machine->pic_reg once per function.
1072 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1074 * doc/invoke.texi (Link Options): Document an easier way to pass
1075 options that take arguments to the GNU linker using -Xlinker and -Wl.
1077 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1080 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1082 2009-02-24 Richard Guenther <rguenther@suse.de>
1085 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1087 2009-02-24 Richard Guenther <rguenther@suse.de>
1088 Zdenek Dvorak <ook@ucw.cz>
1090 PR tree-optimization/39233
1091 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1092 from converting them to a generic type.
1094 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1096 PR tree-optimization/39260
1097 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1098 contains a condition with a real type.
1099 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1101 2009-02-23 Jason Merrill <jason@redhat.com>
1104 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1105 narrowing_initializer_constant_valid_p.
1106 (narrowing_initializer_constant_valid_p): Don't return
1107 null_pointer_node for adding a pointer to itself.
1109 2009-02-23 Jan Hubicka <jh@suse.cz>
1112 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1115 2009-02-23 Jan Hubicka <jh@suse.cz>
1117 PR tree-optimization/37709
1118 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1119 * tree.h (block_ultimate_origin): Declare.
1120 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1121 * tree-ssa-live.c (remove_unused_scope_block_p):
1122 Eliminate blocks containig no instructions nor live variables nor
1124 (dump_scope_block): New function.
1125 (remove_unused_locals): Enable removal of dead blocks by default;
1126 enable dumping at TDF_DETAILS.
1128 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1130 * config/i386/i386.c (classify_argument): Don't allow COImode
1132 (function_arg_advance_32): Don't allow OImode.
1133 (function_arg_32): Likewise.
1134 (function_value_32): Likewise.
1135 (return_in_memory_32): Likewise.
1136 (function_arg_64): Remove OImode comment.
1138 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1141 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1142 ix86_expand_vector_set for V4DImode in 64bit mode only.
1143 (ix86_expand_vector_init_one_var): Likewise.
1145 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1147 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1149 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1152 * loop-iv.c: Revert last change.
1153 * emit-rtl.c: Likewise.
1155 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1158 * config/i386/i386.c (type_natural_mode): Remove an extra
1159 space in the warning message.
1160 (function_value_32): Handle 32-byte vector modes.
1161 (return_in_memory_32): Likewise.
1163 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1165 * loop-iv.c (truncate_value): New function.
1166 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1168 (lowpart_subreg): Move to...
1169 * emit-rtl.c: ...here.
1171 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1173 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1174 accidental and undocumented change at revision 140860.
1176 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1178 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1179 take gimple_seq * arguments.
1180 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1181 types_compatible_p langhook.
1183 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1184 Joseph Myers <joseph@codesourcery.com>
1186 * config/arm/arm.c (arm_builtin_va_list): New function.
1187 (arm_expand_builtin_va_start): Likewise.
1188 (arm_gimplify_va_arg_expr): Likewise.
1189 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1190 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1191 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1192 (va_list_type): New variable.
1193 (arm_mangle_type): Mangle va_list_type appropriately.
1195 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1198 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1199 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1200 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1201 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1202 parameter to 1000 for -O1 by default.
1203 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1205 * loop-invariant.c: Include params.h.
1206 (move_loop_invariants): Don't call move_single_loop_invariants on
1209 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1211 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1212 offset when calculating bounds for indexing stack_usage_map. Fixes
1213 a buffer overflow with certain target setups.
1215 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1218 * calls.c (expand_call): Clear try_tail_call if caller and callee
1219 disagree in promotion of function return value.
1221 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1224 * c-common.c (c_determine_visibility): If visibility changed and
1225 DECL_RTL has been already set, call make_decl_rtl to update symbol
1228 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1231 * varasm.c (assemble_variable): Don't check DECL_NAME when
1232 globalizing a variable.
1234 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1237 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1238 expression before any __builtin_trap call.
1239 * c-typeck.c (build_function_call): Convert and check function
1240 arguments before generating a call to a trap. Evaluate the
1241 function arguments before the trap.
1243 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1246 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1247 (UNSPEC_FXAM_MEM): New unspec.
1248 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1249 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1250 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1252 2009-02-19 Richard Guenther <rguenther@suse.de>
1254 PR tree-optimization/39207
1255 PR tree-optimization/39074
1256 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1257 storedanything_tree): New.
1258 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1259 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1260 (build_succ_graph): Add edges from STOREDANYTHING to all
1262 (init_base_vars): Initialize STOREDANYTHING.
1263 (compute_points_to_sets): Free substitution info after
1264 building the succ graph.
1265 (ipa_pta_execute): Likewise.
1267 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1269 (do_ds_constraint): Do not add to special var or non-pointer
1271 (type_could_have_pointers): Split out from ...
1272 (could_have_pointers): ... here. For arrays use the element type.
1273 (create_variable_info_for): Initialize may_have_pointers.
1274 (new_var_info): Likewise.
1275 (handle_lhs_call): Make the HEAP variable unknown-sized.
1276 (intra_create_variable_infos): Use a type with pointers for
1277 PARM_NOALIAS, make it unknown-sized.
1279 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1282 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1284 2009-02-18 Jason Merrill <jason@redhat.com>
1287 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1288 value if DECL_EXTERNAL.
1289 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1290 * target.h (gcc_target::binds_local_p): Clarify "module".
1291 * tree.h (TREE_PUBLIC): Clarify "module".
1293 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1296 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1297 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1299 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1302 * c.opt (Wabi): Support C and ObjC.
1305 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1307 * config/i386/i386.c (classify_argument): Warn once about the ABI
1308 change when passing union with long double.
1310 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1312 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1315 * c-parser.c (c_parser_compound_statement): Always enter and leave
1318 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1321 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1323 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1325 PR tree-optimization/36922
1326 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1327 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1330 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1332 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1335 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1337 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1339 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1341 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1344 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1345 Richard Sandiford <rdsandiford@googlemail.com>
1347 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1348 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1349 (loongson_biadd): ...this.
1351 2009-02-17 Richard Guenther <rguenther@suse.de>
1353 PR tree-optimization/39202
1354 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1355 a var make sure to follow existing collapses.
1357 2009-02-17 Richard Guenther <rguenther@suse.de>
1360 * langhooks.c (lhd_print_error_function): Check for NULL block.
1362 2009-02-17 Richard Guenther <rguenther@suse.de>
1364 PR tree-optimization/39204
1365 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1368 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1370 * config/soft-fp/double.h: Update from glibc CVS.
1372 2009-02-17 Richard Guenther <rguenther@suse.de>
1374 PR tree-optimization/39207
1375 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1376 strict-aliasing warnings for pointers pointing to NULL.
1378 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1381 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1382 skipping until next close brace.
1384 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1387 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1388 to function argument boundary.
1390 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1392 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1393 in the lea_add. Reload eventually constraints it properly.
1394 * config/picochip/constraints.md : Remove the target constraint
1395 "b", since it is not needed anymore.
1397 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1399 * gthr-dce.h: Uglify function parameter and local variable names.
1400 * gthr-gnat.h: Likewise.
1401 * gthr-mipssde.h: Likewise.
1402 * gthr-nks.h: Likewise.
1403 * gthr-posix95.h: Likewise.
1404 * gthr-posix.h: Likewise.
1405 * gthr-rtems.h: Likewise.
1406 * gthr-single.h: Likewise.
1407 * gthr-solaris.h: Likewise.
1408 * gthr-tpf.h: Likewise.
1409 * gthr-vxworks.h: Likewise.
1410 * gthr-win32.h: Likewise.
1412 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1415 * config/i386/i386.md: Restrict the new peephole2 to move
1416 between MMX/SSE registers.
1418 2009-02-15 Richard Guenther <rguenther@suse.de>
1421 2009-02-13 Richard Guenther <rguenther@suse.de>
1423 * configure.ac: Enable LFS.
1424 * configure: Re-generate.
1425 * config.in: Likewise.
1427 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1429 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1430 spu_srqwbyte, spu_srqwbytebc): Define.
1431 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1432 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1433 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1434 "shrqby_<mode>"): New insn-and-split patterns.
1435 * config/spu/spu.c (expand_builtin_args): Determine and return
1436 number of operands using spu_builtin_description data.
1437 (spu_expand_builtin_1): Use it.
1439 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1442 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1445 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1448 * config/i386/i386.c (override_options): Correct warning
1449 messages for -malign-loops, -malign-jumps and -malign-functions.
1451 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1454 * config/i386/i386.md: Restrict the new peephole2 to move
1455 between the general purpose registers.
1457 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1460 * config/i386/i386.c (type_natural_mode): Add a new argument.
1461 Return the original mode and warn ABI change if vector size is 32byte.
1462 (function_arg_advance): Updated.
1463 (function_arg): Likewise.
1464 (ix86_function_value): Likewise.
1465 (ix86_return_in_memory): Likewise.
1466 (ix86_sol10_return_in_memory): Likewise.
1467 (ix86_gimplify_va_arg): Likewise.
1468 (function_arg_32): Don't warn ABX ABI change here.
1469 (function_arg_64): Likewise.
1471 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1473 * loop-iv.c (implies_p): In the final case, test that operands 0
1474 of the two comparisons match.
1476 * config/bfin/bfin.c (find_prev_insn_start): New function.
1477 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1478 (find_next_insn_start): Move.
1480 2009-02-13 Richard Guenther <rguenther@suse.de>
1482 * configure.ac: Enable LFS.
1483 * configure: Re-generate.
1484 * config.in: Likewise.
1486 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1489 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1490 sizes on syntax error after some arguments have been parsed.
1492 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1494 * doc/invoke.texi (-fira): Remove.
1496 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1498 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1499 * recog.c: Likewise.
1502 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1504 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1505 (umul_ppmm): Likewise.
1506 (count_leading_zeros): Likewise.
1507 (count_trailing_zeros): Likewise.
1508 (UMUL_TIME): Likewise.
1510 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1512 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1513 soft-fp/t-softfp to tmake_file.
1515 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1516 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1517 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1518 IA64_BUILTIN_INFQ]: New.
1519 (ia64_init_builtins): Initialize __builtin_infq,
1520 __builtin_fabsq and __builtin_copysignq if not HPUX.
1521 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1522 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1524 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1526 (__fixtfti): Likewise.
1527 (__fixunstfti): Likewise.
1528 (__floattitf): Likewise.
1530 * config/ia64/libgcc-glibc.ver: New.
1531 * config/ia64/t-fprules-softfp: Likewise.
1532 * config/ia64/sfp-machine.h: Likewise.
1534 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1535 (LIBGCC2_TF_CEXT): Likewise.
1536 (TF_SIZE): Likewise.
1537 (TARGET_INIT_LIBFUNCS): Likewise.
1539 * config/ia64/t-glibc (SHLINB_MAPFILES):
1540 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1542 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1544 * config/i386/i386.c (construct_container): Rewrite processing
1545 BLKmode with X86_64_SSE_CLASS.
1547 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1550 * config/i386/i386.md: Replace simplify_replace_rtx with
1551 replace_rtx in the new peephole2.
1553 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1555 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1556 loop unrolling do not happen at -O2.
1558 2009-02-12 Michael Matz <matz@suse.de>
1560 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1562 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1564 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1567 2009-02-12 Ben Elliston <bje@au.ibm.com>
1569 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1570 patterns when updating the back chain. Missed in the 2009-02-10
1573 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1575 * doc/extend.texi (Decimal Floating Types): Update identifier of
1576 draft TR and list of missing support.
1578 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1581 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1582 bit to variable length decl's flags, add it also to its
1583 pointer replacement variable.
1585 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1586 Jakub Jelinek <jakub@redhat.com>
1589 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1590 (memory_blockage): New expander.
1591 (*memory_blockage): New insn pattern.
1592 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1593 instead of general blockage at the end of function prologue when
1594 frame pointer is used to access red zone area. Do not emit blockage
1595 when profiling, it is emitted in generic code.
1596 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1597 function epilogue when frame pointer is used to access red zone area.
1599 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1602 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1603 by arithmetic with memory operands.
1604 * config/i386/predicates.md (commutative_operator): New.
1606 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1608 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1611 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1613 * alias.h (record_alias_subset): Declare.
1614 * alias.c (record_alias_subset): Make global.
1616 2009-02-10 Nick Clifton <nickc@redhat.com>
1618 * tree-parloops.c: Change license to GPLv3.
1619 * ipa-struct-reorg.c: Change license to GPLv3.
1620 * ipa-struct-reorg.h: Change license to GPLv3.
1622 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1625 * c-decl.c (start_struct): Return NULL on error.
1627 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1630 * cfgloopmanip.c (remove_path): Call remove_bbs after
1631 cancel_loop_tree, not before it.
1634 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1635 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1636 VAR_DECLs were seen.
1637 * tree-ssa-live.c (remove_unused_locals): Recompute
1638 cfun->has_local_explicit_reg_vars.
1639 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1640 copies or clearings if cfun->has_local_explicit_reg_vars.
1642 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1645 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1646 of function prologue when frame pointer is used to access
1649 2009-02-10 Richard Guenther <rguenther@suse.de>
1652 * gimplify.c (gimple_regimplify_operands): Always look if
1653 we need to create a temporary.
1655 2009-02-10 Richard Guenther <rguenther@suse.de>
1657 PR tree-optimization/39132
1658 * tree-loop-distribution.c (todo): New global var.
1659 (generate_memset_zero): Trigger TODO_rebuild_alias.
1660 (tree_loop_distribution): Return todo.
1662 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1665 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1666 (x86_64_reg_class_name): Removed.
1667 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1668 first one isn't X86_64_SSE_CLASS or any other ones aren't
1669 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1670 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1671 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1672 and 3 X86_64_SSEUP_CLASS.
1673 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1674 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1676 2009-02-10 Ben Elliston <bje@au.ibm.com>
1678 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1679 form instruction to update the stack back chain word, even if the
1680 user has disabled the generation of update instructions.
1681 (movdi_<mode>_update_stack): New.
1682 (movsi_update_stack): Likewise.
1683 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1684 always use an update form instruction to update the stack back
1687 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1690 * graphite.c (if_region_set_false_region): After moving a region in
1691 the false branch of a condition, remove the empty dummy basic block.
1692 (gloog): Remove wrong fix for PR38953.
1694 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1696 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1697 generation due to implicit sign extension.
1699 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1702 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1703 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1705 2009-02-09 Richard Guenther <rguenther@suse.de>
1708 * convert.c (convert_to_real): Disable (float)fn((double)x)
1709 to fnf(x) conversion if errno differences may occur and
1710 -fmath-errno is set.
1712 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1714 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1715 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1716 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1718 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1721 * c-common.c (handle_alias_attribute): Disallow attribute for
1722 anything not a FUNCTION_DECL or VAR_DECL.
1724 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1727 * real.c (do_compare): Special-case compare of zero against
1728 decimal float value.
1730 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1733 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1734 as indicating flexible array members unless the field itself is
1735 being declarared as the incomplete array.
1737 2009-02-06 Jan Hubicka <jh@suse.cz>
1739 PR tree-optimization/38844
1740 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1743 2009-02-06 Richard Guenther <rguenther@suse.de>
1746 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1747 fork because we may expand it as __gcov_fork.
1749 2009-02-06 Nick Clifton <nickc@redhat.com>
1751 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1753 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1755 PR tree-optimization/35659
1756 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1757 vn_phi_eq): Shortcut if hashcode does not match.
1758 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1760 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1761 and avoid iterative_hash_expr.
1762 (FOR_EACH_VALUE_ID_IN_SET): New.
1763 (value_id_compare): Remove.
1764 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1765 sort expressions by value id.
1767 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1770 * config/sh/predicates.md (general_movsrc_operand): Don't check
1771 the subreg of system registers here.
1773 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1776 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1779 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1781 PR rtl-optimization/39110
1782 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1783 addresses, not aligned ones.
1785 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1786 Richard Guenther <rguenther@suse.de>
1788 PR tree-optimization/39100
1789 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1790 comment says and add edges.
1792 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1795 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1796 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1798 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1800 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1801 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1802 register_bb_in_sese, new_sese, free_sese): Moved.
1803 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1804 outermost_loop_in_scop, build_scop_iteration_domain,
1805 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1806 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1807 Use loop_in_sese_p instead of loop_in_scop_p.
1808 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1809 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1810 (scopdet_basic_block_info): Fix bug in scop detection.
1811 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1812 eq_loop_to_cloog_loop): Remove.
1813 (nb_loops_around_loop_in_scop, nb_loop
1814 ref_nb_loops): Moved here...
1815 * graphite.h (ref_nb_loops): ... from here.
1816 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1817 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1818 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1819 * testsuite/gcc.dg/graphite/scop-19.c: New
1821 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1822 Hans-Peter Nilsson <hp@axis.com>
1824 PR rtl-optimization/37889
1825 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1826 Move offset handling from PLUS to before the switch. Use new
1827 arguments when considering SYMBOL_REFs too.
1828 (rtx_addr_can_trap_p): Pass dummy offset and size.
1829 (enum may_trap_p_flags): Remove.
1830 (may_trap_p_1): Pass size from MEM_SIZE.
1832 PR rtl-optimization/38921
1833 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1834 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1835 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1836 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1838 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1840 AVX Programming Reference (January, 2009)
1841 * config/i386/sse.md (*vpclmulqdq): New.
1843 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1845 PR tree-optimization/38977
1846 PR gcov-profile/38292
1847 * calls.c (special_function_p): Disregard __builtin_ prefix.
1849 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1851 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1852 non-indexable addresses even before reload.
1854 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1857 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1858 as having variable size. Do not give an error for unnamed
1859 parameters with [*] declarators. Give a warning for type names
1860 with [*] declarators and mark them as variable size.
1861 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1862 for sizeof applied to [*] type names.
1864 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1867 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1869 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1871 * gcc.c (process_command): Update copyright notice dates.
1872 * gcov.c (print_version): Likewise.
1873 * gcov-dump.c (print_version): Likewise.
1874 * mips-tfile.c (main): Likewise.
1875 * mips-tdump.c (main): Likewise.
1877 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1880 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1881 for composite type involving a zero-length array type.
1883 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1886 * function.c (match_asm_constraints_1): Skip over
1887 initial optional % in the constraint.
1890 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1891 supported, don't accept FIXED_CSTs.
1892 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1893 and _Sat is used without _Fract/_Accum. Set specs->type to
1894 integer_type_node for cts_fract/cts_accum if fixed point is not
1897 2009-02-02 Catherine Moore <clm@codesourcery.com>
1899 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1901 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1903 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1904 (ABI_HAS_64BIT_SYMBOLS): Use it.
1905 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1907 2009-02-02 Paul Brook <paul@codesourcery.com>
1909 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1911 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1914 * recog.h (asm_operand_ok): Add constraints argument.
1915 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1916 recurse on matching constraint.
1917 (check_asm_operands): Pass constraints as 3rd argument to
1918 asm_operand_ok. Don't look up matching constraint here.
1919 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1922 2009-02-02 Ben Elliston <bje@au.ibm.com>
1924 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1925 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1927 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1929 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1930 information. Remove some obsolete information. Reorganize.
1932 * config/pa/fptr.c: Revert license to GPL 2.
1933 * config/pa/milli64.S: Likewise.
1935 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1938 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1939 LIBRARY name in, instead of hard-coding it.
1940 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1941 extra target make frag to tmake_files according to EH model.
1942 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1943 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1944 frags that define makefile variable EH_MODEL appropriately.
1945 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1946 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1947 to "-sjlj" according to type of EH configured.
1948 (LIBGCC_SONAME): Concatenate it to shared library base name.
1949 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1950 to "_sjlj" according to type of EH configured.
1951 (LIBGCC_SONAME): Concatenate it to shared library base name.
1952 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1953 (SHLIB_LINK): Add missing semicolon to if-else construct.
1954 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1955 string value of "pe_dll" command-line option.
1956 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1957 (SHLIB_SONAME): Use it when overriding t-cygming default.
1958 (SHLIB_IMPLIB): Override t-cygming default.
1959 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1960 string value of "pe_dll" command-line option.
1962 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1965 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1966 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1968 2009-01-31 Richard Guenther <rguenther@suse.de>
1970 PR tree-optimization/38937
1971 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1972 computing the transitive closure.
1974 2009-01-30 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/39041
1977 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1978 Propagate variable indices only if the types match for this stmt.
1980 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1983 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1984 inline but never defined.
1986 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1988 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1989 (*insv_h_di_reg_extimm): New insn.
1990 (*insv_l<mode>_reg_extimm): New insn.
1992 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1994 * config/picochip/picochip.c (flag_conserve_stack): set
1995 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1996 fconserve-stack. Reduce call-overhead used by inliner.
1998 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2001 * common.opt (flag_conserve_stack): Initialised to zero.
2003 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2006 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2007 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2010 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2012 * ira-color.c (allocno_reload_assign): Update comments.
2013 * regmove.c (regmove_optimize): Likewise.
2017 2009-01-29 Robert Millan <rmh@aybabtu.com>
2019 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2020 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2021 `MD_UNWIND_SUPPORT'.
2022 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2024 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2026 PR tree-optimization/39007
2027 * tree-loop-distribution.c (generate_builtin): Use
2028 recompute_dominator to compute the immediate dominator of the
2029 basic block just after the loop.
2031 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2033 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2034 (ASM_OUTPUT_DWARF_PCREL): Define.
2036 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2038 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2039 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2040 global. Modify entries about regmove and IRA.
2042 * ra-conflict.c: Remove the file.
2044 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2046 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2047 (pass_regclass_init): Rename to pass_reginfo_init.
2049 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2051 * toplev.h (flag_ira): Remove.
2053 * caller-save.c (setup_save_areas): Remove flag_ira.
2055 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2057 * global.c: Remove the file.
2059 * opts.c: (decode_options): Remove flag_ira.
2061 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2063 * regmove.c: Modify file description.
2064 (find_use_as_address, try_auto_increment): Define them only if
2065 AUTO_INC_DEC is defined.
2066 (replacement_quality, replace_in_call_usage, fixup_match_1,
2067 stable_and_no_regs_but_for_p): Remove.
2068 (reg_set_in_bb): Make it static.
2069 (regmove_optimize): Remove flag_ira and code which worked for
2072 * local-alloc.c: Remove the file.
2074 * common.opt (fira): Remove.
2076 * ira.c: Include except.h.
2077 (eliminable_regset): Move from global.c.
2078 (mark_elimination): Ditto. Remove flag_ira.
2079 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2080 equiv_mem_modified, validate_equiv_mem_from_store,
2081 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2082 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2083 no_equiv, recorded_label_ref): Move from local-alloc.c.
2084 (update_equiv_regs): Ditto. Make it static.
2085 (print_insn_chain, print_insn_chains): Move it from global.c.
2086 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2087 (build_insn_chain): Ditto. Make it static.
2088 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2089 Rename to init_live_subregs.
2090 (gate_ira): Remove flag_ira.
2092 * regclass.c: Rename reginfo.c. Change file description.
2093 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2094 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2095 (init_reg_sets_1): Remove code for evaluation of
2096 reg_class_superclasses and losing_caller_save_reg_set.
2097 (init_regs): Remove init_reg_autoinc.
2098 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2099 ok_for_base_p_nonstrict): Remove.
2100 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2101 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2102 corresponding entries.
2103 (dump_regclass, record_operand_costs, scan_one_insn,
2104 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2105 record_address_regs, auto_inc_dec_reg_p): Remove.
2106 (gt-regclass.h): Rename to gt-reginfo.h.
2108 * rtl.h (dump_global_regs, retry_global_alloc,
2109 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2111 * Makefile.in (RA_H): Remove.
2112 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2113 Rename regclass.o to reginfo.o.
2114 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2116 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2117 (GTFILES): Rename regclass.c to reginfo.c.
2119 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2120 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2122 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2123 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2125 (finish_spills): Ditto. Remove code for !flag_ira.
2127 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2130 * doc/invoke.texi (rtl debug options): Complete rewrite.
2131 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2133 * mode-switching.c (pass_mode_switching): Rename pass from
2134 "mode-sw" to "mode_sw".
2135 * except.c (pass_convert_to_eh_ranges): Rename pass from
2136 "eh-ranges" to "eh_ranges".
2137 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2141 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2142 Alexander Monakov <amonakov@ispras.ru>
2145 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2147 (move_exprs_to_boundary): Change return type and pass through
2148 should_move from move_op. Relax assert. Update usage ...
2149 (schedule_expr_on_boundary): ... here. Use should_move instead of
2151 (move_op_orig_expr_found): Indicate that insn was disconnected from
2153 (code_motion_process_successors): Do not call after_merge_succs
2154 callback if original expression was not found when traversing any of
2156 (code_motion_path_driver): Change return type. Update prototype.
2157 (move_op): Update comment. Add a new parameter (should_move). Update
2158 prototype. Set *should_move based on indication provided by
2159 move_op_orig_expr_found.
2161 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2163 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2164 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2165 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2166 * config/rs6000/rs6000.c (rs6000_override_options): Default
2167 avoid-indexed-addresses on for Power6, off for everything else.
2168 (avoiding_indexed_address_p): New function.
2169 (rs6000_legitimize_address): Use it.
2170 (rs6000_legitimate_address): Likewise.
2171 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2173 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2175 PR tree-optimization/38997
2176 * tree-loop-distribution.c (generate_memset_zero): Use
2177 POINTER_PLUS_EXPR for a pointer addition.
2179 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2181 * config/s390/s390.md (bswap<mode>2): New pattern added.
2183 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2185 * config/s390/s390.md (*tls_load_31): Added type attribute.
2187 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2189 * config/s390/s390.md: Fix a few comments.
2191 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2193 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2194 (*tm<mode>_full): Fixed z10prop attribute.
2195 (*tst<mode>_extimm): Fixed z10prop attribute.
2196 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2197 (*tstqiCCT_cconly): Fixed z10prop attribute.
2198 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2199 (*movsi_larl): Fixed z10prop attribute.
2200 (*movsi_zarch): Fixed z10prop attribute.
2201 (*movsi_eas): Fixed z10prop attribute.
2202 (*movhi): Fixed z10prop attribute.
2203 (*movqi): Fixed z10prop attribute.
2204 (*movstrictqi): Fixed z10prop attribute.
2205 (*mov<mode>): Fixed z10prop attribute.
2206 (*movcc): Fixed z10prop attribute.
2207 (*sethighpartdi_64): Fixed z10prop attribute.
2208 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2209 (*negdi2_sign_cc): Fixed z10prop attribute.
2210 (*negdi2_sign): Fixed z10prop attribute.
2211 (*absdi2_sign_cc): Fixed z10prop attribute.
2212 (*absdi2_sign): Fixed z10prop attribute.
2213 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2214 (*negabsdi2_sign): Fixed z10prop attribute.
2215 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2216 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2217 (doloop_si64): Fixed z10prop attribute.
2218 (doloop_si31): Fixed z10prop attribute.
2219 (doloop_long): Fixed z10prop attribute.
2220 (indirect_jump): Fixed z10prop attribute.
2221 (nop): Fixed z10prop attribute.
2222 (main_base_64): Fixed z10prop attribute.
2223 (reload_base_64): Fixed z10prop attribute.
2225 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2227 PR rtl-optimization/38740
2228 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2230 * config/mips/mips.c (mips_reorg): Likewise.
2232 2009-01-28 Richard Guenther <rguenther@suse.de>
2234 PR tree-optimization/38926
2235 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2236 with the correct value id to a value.
2237 (do_regular_insertion): Use the value number of edoubleprime
2238 for the value number of the expr.
2241 2008-08-21 Richard Guenther <rguenther@suse.de>
2243 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2244 a PHI ask VN if it is already available.
2245 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2246 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2248 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2251 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2252 set to varying whenever max has TREE_OVERFLOW set, similarly
2253 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2255 2009-01-28 Richard Guenther <rguenther@suse.de>
2258 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2259 uninitialized aggregate uses in call arguments.
2261 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2263 PR tree-optimization/38984
2264 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2265 the nothing_id variable if -fno-delete-null-pointer-checks.
2267 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2270 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2271 (set_got_offset_rex64): Ditto.
2273 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2276 * doc/extend.texi: Improve local variable with asm reg.
2278 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2280 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2281 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2282 was not supplied then set warn_packed_bitfield_compat to the
2284 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2287 2009-01-27 Richard Guenther <rguenther@suse.de>
2289 PR tree-optimization/38503
2290 * cfgexpand.c (expand_gimple_basic_block): Ignore
2291 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2292 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2293 variables that cannot have TBAA applied.
2294 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2297 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2300 * calls.c (initialize_argument_information): Do not wrap complex
2301 arguments in SAVE_EXPR.
2303 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2305 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2306 (INSTALL_LIBGCC): Revert typo commit.
2308 2009-01-26 Richard Guenther <rguenther@suse.de>
2310 PR tree-optimization/38745
2311 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2312 from special handling.
2314 2009-01-26 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/38745
2317 * tree-ssa.c (execute_update_addresses_taken): Do not include
2318 variables that cannot possibly be a register in not_reg_needs.
2319 Do not clear TREE_ADDRESSABLE on vars that may not become
2321 * tree-ssa.c (update_alias_info_1): Include those in the set
2322 of addressable vars.
2324 2009-01-26 Richard Guenther <rguenther@suse.de>
2327 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2328 * tree-ssa-dse.c: Include langhooks.h
2329 (execute_simple_dse): Remove stores with zero size.
2331 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2334 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2337 2009-01-24 Julian Brown <julian@codesourcery.com>
2339 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2340 config/arm/linux-atomic.c.
2341 * config/arm/linux-atomic.c: New.
2343 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2345 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2346 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2347 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2349 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2352 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2355 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2357 PR tree-optimization/38953
2358 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2359 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2360 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2361 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2364 2009-01-24 Paul Brook <paul@codesourcery.com>
2366 * config/arm/neon.md (neon_type): Move to arm.md.
2367 (neon_mov<VSTRUCT>): Add neon_type attribute.
2368 * config/arm/arm.md (neon_type): Move to here.
2369 (conds): Add "unconditioal" and use as default for NEON insns.
2371 2009-01-24 Ben Elliston <bje@au.ibm.com>
2373 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2374 void *' warning from -Wc++-compat.
2375 * Makefile.in (dominance.o-warn): Remove.
2377 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2379 PR tree-optimization/38932
2380 * fold-const.c (fold_unary_ignore_overflow): New.
2381 * tree.h (fold_unary_ignore_overflow): Declare.
2382 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2383 * tree-ssa-sccvn.c (visit_reference_op_load,
2384 simplify_unary_expression): Likewise.
2386 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2388 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2389 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2390 regardless of their type.
2391 * c-common.c (handle_packed_attribute): Don't ignore packed on
2393 * c.opt (Wpacked-bitfield-compat): New warning option.
2394 * stor-layout.c (place_field): Warn if offset of a field changed.
2395 * doc/extend.texi (packed): Mention the ABI change.
2396 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2397 (Warning Options): Add it to the list.
2399 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2401 * c-opts.c (c_common_post_options): Fix a typo in comments.
2403 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2406 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2407 variables to static.
2408 * doc/invoke.texi (-fmerge-all-constants): Update description.
2410 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2413 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2414 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2416 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2418 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2420 (LOCAL_ALIGNMENT): Similarly.
2422 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2423 Joseph Myers <joseph@codesourcery.com>
2425 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2426 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2427 * config/arm/arm-tune.md: Regenerate.
2428 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2431 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2433 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2434 version number to five.
2436 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2439 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2440 * c-common.c (set_underlying_type): Likewise.
2441 (is_typedef_decl ): Likewise
2443 (set_underlying_type): Likewise.
2444 (is_typedef_type): Likewise.
2446 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2449 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2452 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2455 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2456 (LIBGCC_SPEC): Don't define.
2457 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2459 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2461 PR rtl-optimization/38879
2462 * alias.c (base_alias_check): Unaligned access via AND address can
2463 alias all surrounding object types except those with sizes equal
2464 or wider than the size of unaligned access.
2466 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2469 * c-decl.c: (clone_underlying_type): Move this ...
2470 * c-common.c (set_underlying_type): ... here.
2471 Also, make sure the function properly sets TYPE_STUB_DECL() on
2472 the newly created typedef variant type.
2473 (is_typedef_decl ): New entry point.
2474 * tree.h: Added a new member member_types_needing_access_check to
2475 struct tree_decl_non_common.
2476 (set_underlying_type): New entry point.
2477 (is_typedef_type): Likewise.
2479 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2481 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2482 Check whether two instructions have memory references that
2483 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2484 are helper functions for traversing.
2485 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2486 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2487 not to draw dependency edge for instructions with non-conflicting
2490 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2493 * longlong.h: Update copyright years. Use soft-fp license notice.
2494 Sync __clz_tab declaration with glibc.
2496 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2499 * doc/extend.texi (syscall_linkage): New.
2500 (version_id): Modify.
2502 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2503 Richard Guenther <rguenther@suse.de>
2505 PR tree-optimization/38747
2506 PR tree-optimization/38748
2507 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2508 conversion if the base address is an indirect reference and the
2509 aliasing sets could cause issues.
2511 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2513 * common.opt (fgraphite, fgraphite-identity): Add comment for
2514 explaining why these options are not documented.
2516 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2518 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2519 gimple_call_lhs is NULL.
2521 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2524 * emit-rtl.c (adjust_address_1): Make sure memref is never
2527 2009-01-20 Ben Elliston <bje@au.ibm.com>
2529 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2530 const qualifier from arg parameter. Remove unnecessary cast to char *.
2531 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2532 const qualifier from arg 2.
2534 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2536 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2538 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2541 * rtl.h (reinit_regs): New prototype.
2542 * regclass.c: Include ira.h.
2544 * Makefile.in (regclass.o): Add ira.h.
2545 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2547 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2550 * c-common.c (handle_aligned_attribute): Use
2551 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2552 default alignment value.
2554 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2556 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2557 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2559 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2560 __BIGGEST_ALIGNMENT__.
2562 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2564 2009-01-18 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/38819
2567 * tree-flow.h (operation_could_trap_helper_p): Declare.
2568 * tree-eh.c (operation_could_trap_helper_p): Export.
2569 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2570 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2571 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2572 are about to insert a possibly trapping instruction and fail
2575 2009-01-18 Andreas Schwab <schwab@suse.de>
2577 * doc/install.texi (Configuration): Remove obsolete paragraph
2578 about use of --with-gnu-ld with --with-gnu-as.
2580 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2582 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2583 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2584 Follow spelling conventions.
2586 2009-01-18 Ben Elliston <bje@au.ibm.com>
2588 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2589 C++ warning about implicit conversion from void * to struct
2591 (bitmap_obstack_free): Likewise for bitmap_element *.
2592 * Makefile.in (bitmap.o-warn): Remove.
2594 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2596 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2598 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2599 Tobias Grosser <tobi.grosser@amd.com>
2601 * graphite.c (graphite_trans_scop_block): Do not block single
2604 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2606 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2607 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2608 test with assertion.
2610 2009-01-16 Richard Guenther <rguenther@suse.de>
2612 PR tree-optimization/38835
2614 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2615 and INT + PTR -> (INT)(PTR p+ INT) folding.
2616 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2618 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2621 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2622 the subreg from a lowpart subreg if it is also casting the value.
2624 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2625 Tobias Grosser <tobi.grosser@amd.com>
2627 * graphite.c (compare_prefix_loops): New.
2628 (build_scop_canonical_schedules): Rewritten.
2629 (graphite_transform_loops): Move build_scop_canonical_schedules
2630 after build_scop_iteration_domain.
2632 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2633 Tobias Grosser <tobi.grosser@amd.com>
2635 * graphite.c (add_conditions_to_domain): Add the loops to
2636 the dimension of the iteration domain. Do copy the domain
2637 only when it exists.
2638 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2639 (add_conditions_to_constraints): New.
2640 (can_generate_code_stmt, can_generate_code): Removed.
2641 (gloog): Do not call can_generate_code.
2642 (graphite_transform_loops): Call add_conditions_to_constraints
2643 after building the iteration domain.
2645 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2647 PR tree-optimization/38789
2648 * tree-ssa-threadedge.c
2649 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2650 __builtin_constant_p.
2652 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2654 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2655 examined before deleting them.
2657 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2659 * function.c (aggregate_value_p): Correctly extract the function
2660 type from CALL_EXPR_FN lookup.
2662 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2664 * config/picochip/picochip.c (picochip_override_options): Revert
2665 CFI asm flag disable commited previously.
2667 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2668 Tobias Grosser <tobi.grosser@amd.com>
2669 Jan Sjodin <jan.sjodin@amd.com>
2671 * graphite.c (scan_tree_for_params): On substractions negate
2672 all the coefficients of the term.
2673 (clast_to_gcc_expression_red): New. Handle reduction expressions
2674 of more than two operands.
2675 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2676 (get_vdef_before_scop): Handle also the case of default definitions.
2678 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2680 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2681 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2682 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2684 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2685 Joey Ye <joey.ye@intel.com>
2688 * cfgexpand.c (expand_stack_alignment): Don't update stack
2689 boundary nor check incoming stack boundary here.
2690 (gimple_expand_cfg): Update stack boundary and check incoming
2691 stack boundary here.
2693 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2695 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2697 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2699 PR rtl-optimization/38245
2700 * calls.c (expand_call): Add stack arguments to
2701 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2702 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2703 in regs and partially in memory or BLKmode arguments.
2704 (emit_library_call_value_1): Add stack arguments to
2705 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2706 ACCUMULATE_OUTGOING_ARGS).
2707 * dce.c: Include tm_p.h.
2708 (find_call_stack_args): New function.
2709 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2711 (mark_insn): Call find_call_stack_args for CALL_Ps.
2712 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2713 forwards. Allocate and free arg_stores bitmap if needed, pass it
2714 down to deletable_insn_p, don't mark stores set in arg_stores
2715 bitmap, clear the bitmap at the beginning of each bb.
2716 * Makefile.in (dce.o): Depend on $(TM_P_H).
2718 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2721 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2722 to make sure the insn is a conditional test (bug 22599). Reformat a
2725 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2728 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2729 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2730 (gloog): Do not call cleanup_tree_cfg.
2731 (graphite_transform_loops): Call cleanup_tree_cfg after all
2732 scops have been code generated.
2734 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2735 * doc/gty.texi (Invoking the garbage collector): Added new node
2736 and section documenting ggc_collect.
2738 2009-01-14 Richard Guenther <rguenther@suse.de>
2740 PR tree-optimization/38826
2742 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2743 initialization notes only if we actually emitted a warning.
2744 (intra_create_variable_infos): Add constraints for a result decl
2745 that is passed by hidden reference.
2746 (build_pred_graph): Mark all related variables non-direct on
2749 2009-01-14 Nick Clifton <nickc@redhat.com>
2751 * ira-conflicts.c: Include addresses.h for the definition of
2753 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2754 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2756 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2759 * Makefile.in (ira-lives.o): Add except.h.
2761 * ira-lives.c: Include except.h.
2762 (process_bb_node_lives): Process can_throw_internal.
2764 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2766 PR rtl-optimization/38774
2767 * combine.c (simplify_set): When undoing cc_use change, don't do
2768 PUT_CODE on the newly created comparison, but instead put back the
2771 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2773 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2774 values. Remove duplicate arm8 entry.
2776 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2778 PR tree-optimization/38786
2779 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2780 the SSA_NAME case of expand_scalar_variables_expr.
2781 Set the type of an expression to the type of its assign statement.
2782 (expand_scalar_variables_expr): Also gather the scalar computation
2783 used to index the memory access. Do not pass loop_p.
2784 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2785 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2786 the gimple_stmt_iterator where it inserts new code.
2788 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2789 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2791 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2793 * graphite.h (debug_value): Removed.
2794 * graphite.c (debug_value): Removed.
2796 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2798 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2799 ldrd/strd with two 32-bit instructions.
2801 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2803 * config/arm/arm.c (struct processors): Pass for speed down into
2804 cost helper functions.
2805 (const_ok_for_op): Handle COMPARE and inequality nodes.
2806 (arm_rtx_costs_1): Rewrite.
2807 (arm_size_rtx_costs): Update prototype.
2808 (arm_rtx_costs): Pass speed down to helper functions.
2809 (arm_slowmul_rtx_costs): Rework cost calculations.
2810 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2811 (arm_9e_rtx_costs): Likewise.
2813 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2815 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2816 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2817 (alpha_legitimize_address): Do not split local symbols wider than
2818 UNITS_PER_WORD into HIGH/LO_SUM parts.
2820 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2823 * gcc.c (process_command): Replace call to execvp with calls
2824 to pex_one and exit.
2826 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2829 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2830 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2831 variant for devices with 3-byte PC.
2832 (__tablejump_elpm__) : New.
2834 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2837 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2838 offsetof member-designator, handle it as `[0].'.
2840 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2842 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2843 function when not using named sections on targets with named sections
2844 if branch distance is less than 262132.
2846 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2848 * combine.c (combine_instructions): Recompute
2849 optimize_this_for_speed_p for each BB in the main combine loop.
2851 2009-01-12 Tomas Bily <tbily@suse.cz>
2854 * tree-loop-distribution.c (prop_phis): New function.
2855 (generate_builtin): Call prop_phis.
2856 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2858 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2860 PR tree-optimization/38807
2861 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2862 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2864 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2866 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2867 subreg of op0 to the original op0.
2869 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2871 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2873 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2876 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2877 starting with digits.
2879 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2882 * config/arm/arm.c (arm_is_long_call_p): Don't call
2883 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2885 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2887 * regrename.c (regrename_optimize): Fix dumping.
2888 (find_oldest_value_reg): Preserve REG_POINTER.
2889 (copy_hardreg_forward_1): Likewise.
2891 2009-01-09 Diego Novillo <dnovillo@google.com>
2893 * gimple.h (struct gimple_statement_base) <uid>: Document
2894 the restrictions on its use.
2896 (gimple_set_uid): Tidy.
2898 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2900 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2901 zero guard even if align_bytes != 0 and count is smaller than
2904 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2906 PR rtl-optimization/38495
2907 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2908 (add_range_and_copies_from_move_list): Print all added ranges.
2909 Add ranges to memory optimized destination.
2911 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2915 * config/i386/i386.c (override_options): Reject
2916 -mstringop-strategy=rep_8byte with -m32.
2917 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2918 to 1. Do count comparison against epilogue_size_needed at compile
2919 time even when count_exp was constant forced into register. For
2920 size_needed don't jump to epilogue, instead just avoid aligning
2921 and invoke the body algorithm. If need_zero_guard, add zero guard
2922 even if count is non-zero, but smaller than size_needed + number of
2923 bytes that could be stored for alignment.
2924 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2925 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2926 but smaller than size_needed + number of bytes that could be stored
2927 for alignment. Compare size_needed with epilogue_size_needed instead
2928 of desired_align - align, don't adjust size_needed, pass
2929 epilogue_size_needed to the epilogue expanders.
2932 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2934 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2936 * pa.c (last_address): Change to unsigned.
2937 (update_total_code_bytes): Change argument to unsigned. Don't
2938 check if insn addresses are set.
2939 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2940 addresses are not set.
2941 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2943 2009-01-09 Nick Clifton <nickc@redhat.com>
2945 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2946 DECL_DECLARED_INLINE_P.
2948 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2951 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2952 GET_MODE (op0) in operand_subword_force calls.
2955 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2956 fold_convert arg0 operands to TREE_TYPE (op0) first.
2958 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2960 * params.def (ira-max-conflict-table-size): Decrease default value
2963 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2965 PR tree-optimization/37031
2966 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2968 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2969 allocate it using gc instead of heap, use VEC_quick_push instead of
2971 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2972 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2973 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2974 allocated vector from heap allocated.
2975 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2976 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2977 vector only after perfect_loop_nest_depth call.
2979 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2980 Jan Sjodin <jan.sjodin@amd.com>
2982 PR tree-optimization/38559
2983 * graphite.c (debug_value, copy_constraint,
2984 swap_constraint_variables, scale_constraint_variable, ): New.
2985 (get_lower_bound, get_upper_bound): Removed.
2986 (graphite_trans_bb_strip_mine): Clean up this code that works
2987 only for constant number of iterations. Fully copy upper and
2988 lower bound constraints, not only the constant part of them.
2989 * graphite.h (debug_value): Declared.
2991 2009-01-08 Ira Rosen <irar@il.ibm.com>
2993 PR tree-optimization/37194
2994 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2995 Don't add the cost of cost model guard in prologue to scalar
2996 outside cost in case of known number of iterations.
2998 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2999 Alan Modra <amodra@bigpond.net.au>
3001 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3002 non-word-aligned REG+CONST addressing.
3004 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3007 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3008 free_after_compilation when outputting a thunk.
3009 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3010 Do not call free_after_compilation here.
3012 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3014 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3015 (ix86_valid_target_attribute_inner_p): Ditto.
3017 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3019 PR tree-optimization/38492
3020 PR tree-optimization/38498
3021 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3022 * tree-chrec.h (scev_is_linear_expression): Declared.
3023 * graphite.c (graphite_cannot_represent_loop_niter): New.
3024 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3025 (graphite_loop_normal_form): Use gcc_assert.
3026 (scan_tree_for_params): Use CASE_CONVERT.
3027 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3028 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3029 Use gcc_assert. Discard scops that contain unhandled cases.
3030 (build_scop_conditions): Return a boolean status for unhandled cases.
3031 (strip_mine_profitable_p): Print the loop number, not its depth.
3032 (is_interchange_valid): Pass the depth of the loop nest, don't
3033 recompute it wrongly.
3034 (graphite_trans_bb_block): Same.
3035 (graphite_trans_bb_block): Print tentative of loop blocking.
3036 (graphite_trans_scop_block): Do not print that the loop has been
3038 (graphite_transform_loops): Do not handle scops that contain condition
3041 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3043 AVX Programming Reference (December, 2008)
3044 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3045 (_mm256_stream_pd): Likewise.
3046 (_mm256_stream_ps): Likewise.
3048 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3049 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3050 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3051 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3052 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3053 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3054 (ix86_expand_special_args_builtin): Likewise.
3056 * config/i386/sse.md (AVXMODEDI): New.
3057 (avx_movnt<mode>): Likewise.
3058 (avx_movnt<mode>): Likewise.
3059 (<sse>_movnt<mode>): Remove AVX support.
3060 (sse2_movntv2di): Likewise.
3062 2009-01-07 Richard Guenther <rguenther@suse.de>
3065 * fold-const.c (extract_muldiv): Remove obsolete comment.
3066 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3067 to PLUS_EXPR canonicalization for the canonicalization.
3069 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3071 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3072 hosted cross-compilers generating less efficient code.
3074 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3076 * function.h (rtl_data): Add a dbr_scheduled_p field.
3077 * reorg.c (dbr_schedule): Set it.
3078 (gate_handle_delay_slots): Check it.
3079 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3080 (mips_reorg): Check flag_delayed_branch instead of
3081 mips_base_delayed_branch.
3082 (mips_override_options): Don't set mips_base_delayed_branch
3083 or flag_delayed_branch.
3085 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3087 PR rtl-optimization/38426.
3088 * ira.c (ira): Set current_function_is_leaf earlier.
3090 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3092 PR rtl-optimization/38722
3093 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3094 too early, only set a flag and modify after last possible
3097 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3100 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3101 * real.c (decimal_single_format): Correct values of emin and emax.
3102 (decimal_double_format): Ditto.
3103 (decimal_quad_format): Ditto.
3104 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3105 computation of DECnn_MIN and DECnn_MAX for corrected values of
3106 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3107 __DECnn_MIN__, and adjust its computation for the corrected value
3110 2009-01-06 Jan Hubicka <jh@suse.cz>
3113 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3115 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3117 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3118 Add Robert Clark to the list of testers.
3120 2009-01-06 Jan Hubicka <jh@suse.cz>
3121 Kai Tietz <kai.tietz@onevision.com>
3123 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3124 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3126 2009-01-06 Jan Hubicka <jh@suse.cz>
3127 Kai Tietz <kai.tietz@onevision.com>
3129 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3131 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3132 (ix86_nsaved_regs): Count only general purpose regs.
3133 (ix86_nsaved_sseregs): New.
3134 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3135 to 16 for w64; compute padding and size of sse reg save area.
3136 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3137 general purpose regs.
3138 (ix86_emit_save_sse_regs_using_mov): New.
3139 (ix86_expand_prologue): Save SSE regs if needed.
3140 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3141 (ix86_emit_restore_sse_regs_using_mov): New.
3142 (ix86_expand_epilogue): Save SSE regs if needed.
3144 2009-01-06 Jan Hubicka <jh@suse.cz>
3145 Kai Tietz <kai.tietz@onevision.com>
3147 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3148 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3149 functions when accumulate outgoing args is off.
3151 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3154 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3155 before using pseudos_have_intersected_live_ranges_p.
3157 * ira-int.h (ira_assert): Always define.
3159 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3161 AVX Programming Reference (December, 2008)
3162 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3163 (_mm256_permute2_pd): Likewise.
3164 (_mm_permute2_ps): Likewise.
3165 (_mm256_permute2_ps): Likewise.
3166 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3167 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3169 * config/i386/i386.c (ix86_builtins): Remove
3170 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3171 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3172 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3173 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3174 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3175 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3176 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3177 __builtin_ia32_vpermil2ps256.
3178 (ix86_init_mmx_sse_builtins): Updated.
3179 (ix86_expand_args_builtin): Likewise.
3181 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3183 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3184 long absolute calls when generating PA 2.0 code.
3186 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3188 PR rtl-optimization/38583
3189 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3191 * params.def (ira-max-conflict-table-size): New.
3193 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3195 * ira.h (ira_conflicts_p): New external definition.
3197 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3198 table. Report this. Return result of building.
3199 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3200 building conflict table.
3202 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3203 (ira_color): Use ira_conflicts_p.
3205 * global.c: Include ira.h.
3206 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3209 * Makefile.in (global.o): Add ira.h.
3211 * ira-build.c (mark_all_loops_for_removal,
3212 propagate_some_info_from_allocno): New.
3213 (remove_unnecessary_allocnos): Call
3214 propagate_some_info_from_allocno.
3215 (remove_low_level_allocnos): New.
3216 (remove_unnecessary_regions): Add parameter. Call
3217 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3218 parameter to remove_unnecessary_regions.
3219 (ira_build): Remove all regions but root if the conflict table was
3220 not built. Update conflict hard regs for allocnos crossing calls.
3222 * ira.c (ira_conflicts_p): New global.
3223 (ira): Define and use ira_conflicts_p.
3225 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3226 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3227 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3229 2009-01-06 Ben Elliston <bje@au.ibm.com>
3231 * gengtype-lex.l (YY_NO_INPUT): Define.
3233 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3236 * c-common.c (handle_vector_size_attribute): Also reject
3239 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3241 PR tree-optimization/38492
3242 * graphite.c (rename_map_elt, debug_rename_elt,
3243 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3244 rename_map_elt_info, eq_rename_map_elts,
3245 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3246 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3247 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3248 (sese_build_livein_liveouts): New.
3249 (new_sese, free_sese): New.
3250 (new_scop): Call new_sese.
3251 (free_scop): Call free_sese.
3252 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3253 (register_old_new_names): Renamed register_old_and_new_names.
3254 (register_scop_liveout_renames, add_loop_exit_phis,
3255 insert_loop_close_phis, struct igp,
3256 default_liveout_before_guard, add_guard_exit_phis,
3257 insert_guard_phis, copy_renames): New.
3258 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3259 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3260 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3261 (scop_adjust_phis_for_liveouts): New.
3262 (gloog): Call scop_adjust_phis_for_liveouts.
3264 * graphite.h (struct sese): Documented. Added fields liveout,
3266 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3267 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3268 (struct scop): Added field liveout_renames.
3269 (SCOP_LIVEOUT_RENAMES): New.
3271 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3273 PR tree-optimization/38510
3274 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3275 (translate_clast): Call recompute_all_dominators before
3277 (gloog): Call recompute_all_dominators before graphite_verify.
3279 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3280 Jan Sjodin <jan.sjodin@amd.com>
3282 PR tree-optimization/38500
3283 * graphite.c (create_sese_edges): Call fix_loop_structure after
3286 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3288 * config.gcc: Add m32r*-*-rtems*.
3289 * config/m32r/rtems.h: New file.
3291 2009-01-05 Ben Elliston <bje@au.ibm.com>
3293 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3294 (.po.pox): Likewise.
3295 (po/gcc.pot): Likewise.
3297 2009-01-04 David S. Miller <davem@davemloft.net>
3299 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3300 (STARTING_FRAME_OFFSET): Always set to zero.
3302 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3304 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3305 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3306 fixed-point types, and vectors of the same.
3308 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3310 * config/mips/sync.md (*mb_barrier): Rename to...
3311 (*memory_barrier): ...this.
3313 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3315 * doc/extend.texi (Function Attributes): Move @cindex after @item
3316 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3317 and put in alphabetical order. Fix 'target' name and put in order.
3318 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3321 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3323 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3324 (memory_barrier): Expand as unspec instead of unspec_volatile.
3325 Remove mem:BLK from insn operands. Use Pmode scratch register.
3326 (*memory_barrier): Define as unspec instead of unspec_volatile.
3327 Use (match_dup 0) as input operand.
3329 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3330 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3331 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3332 scratch register. Remove operand 1.
3333 (*stbar): Define as unspec instead of unspec_volatile.
3334 Use (match_dup 0) as input operand, remove (const_int 8).
3335 (*membar): Define as unspec instead of unspec_volatile.
3336 Use (match_dup 0) as input operand, remove input operand 2.
3338 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3339 (memory_barrier): Expand as unspec instead of unspec_volatile.
3340 Remove mem:BLK from insn operands. Use Pmode scratch register.
3341 (*memory_barrier): Define as unspec instead of unspec_volatile.
3342 Use (match_dup 0) as input operand.
3344 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3345 Remove mem:BLK from insn operands. Use Pmode scratch register.
3346 Set volatile flag on operand 0.
3347 (*memory_barrier): New insn pattern.
3349 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3351 (*memory_barrier): Use (match_dup 0) as input operand.
3353 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3354 Remove mem:BLK from insn operands. Use Pmode scratch register.
3355 Set volatile flag on operand 0.
3356 (*mb_internal): New insn pattern.
3358 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3360 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3363 * function.c (struct temp_slot): Move to the section of the file
3364 that deals with temp slots. Remove field 'address'.
3365 (temp_slot_address_table): New hash table of address -> temp slot.
3366 (struct temp_slot_address_entry): New struct, items for the table.
3367 (temp_slot_address_compute_hash, temp_slot_address_hash,
3368 temp_slot_address_eq, insert_temp_slot_address): Support functions
3370 (find_temp_slot_from_address): Rewrite to use the new hash table.
3371 (remove_unused_temp_slot_addresses): Remove addresses of temp
3372 slots that have been made available.
3373 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3374 worker function for remove_unused_temp_slot_addresses.
3375 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3376 Add the temp slot address to the address -> temp slot map.
3377 (update_temp_slot_address): Update via insert_temp_slot_address.
3378 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3379 (pop_temp_slots): Likewise.
3380 (init_temp_slots): Allocate the address -> temp slot map, or empty
3381 the map if it is already allocated.
3382 (prepare_function_start): Initialize temp slot processing.
3384 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3387 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3388 Calculate the size of all stack vars assuming no packing of stack
3389 vars will happen, replacing a quadratic algorithm with a linear one.
3391 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3394 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3397 2009-01-03 Diego Novillo <dnovillo@google.com>
3399 * doc/contrib.texi: Update contributions.
3401 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3404 * builtins.c (fold_builtin_memory_op): Give up if either operand
3405 is volatile. Set srctype or desttype to non-qualified version
3409 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3412 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3414 PR rtl-optimization/35805
3415 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3416 problem if fast dce is able to remove any instructions.
3417 * dce.c (dce_process_block): Fix dump message.
3419 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3422 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3424 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3427 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3428 * tree-pretty-print.c (op_code_prio): New function.
3429 (op_prio): No longer static. Use op_code_prio.
3430 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3431 Use op_prio and op_code_prio to determine if () should be
3432 printed around operand(s) or not.
3434 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3435 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3436 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3437 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3438 pp_character instead of pp_string for single letter printing.
3440 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3442 * doc/extend.texi: Fix '#pragma GCC option' typo.
3444 2009-01-02 Richard Guenther <rguenther@suse.de>
3446 * doc/install.texi (--enable-checking): Mention different
3448 (--enable-stage1-checking): Document.
3450 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3453 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3454 case to be an error.
3456 2009-01-02 Ben Elliston <bje@au.ibm.com>
3458 * config/fp-bit.h (pack_d): Constify argument.
3459 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3460 (isnan): Constify argument.
3464 (_fpadd_parts): Constify return type.
3465 (_fpmul_parts): Likewise.
3466 (_fpdiv_parts): Likewise.
3468 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3471 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3472 warn about overwriting initializer with side-effects or
3473 -Woverride-init if !IMPLICIT.
3474 (output_init_element): Likewise. Pass IMPLICIT down to
3476 (process_init_element): Add IMPLICIT argument. Pass it down
3477 to output_init_element.
3478 (push_init_element, pop_init_level, set_designator): Adjust
3479 process_init_element callers.
3480 (set_nonincremental_init, set_nonincremental_init_from_string):
3481 Adjust add_pending_init callers.
3482 (output_pending_init_elements): Adjust output_init_element callers.
3483 * c-tree.h (process_init_element): Adjust prototype.
3484 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3485 process_init_element callers.