1 2009-03-28 Jan Hubicka <jh@suse.cz>
3 * cgraph.c (cgraph_function_body_availability): Functions declared
4 inline are always safe to assume that it is not going to be replaced.
6 2009-03-28 Richard Guenther <rguenther@suse.de>
8 PR tree-optimization/38513
9 * tree-ssa-pre.c (eliminate): Remove redundant stores.
10 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11 EXC_PTR_EXPR and FILTER_EXPR.
12 (get_ref_from_reference_ops): Likewise.
14 2009-03-28 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/38968
17 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
18 Use FLOOR_MOD_EXPR to compute misalignment.
20 2009-03-28 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/37795
23 * tree.h (combine_comparisons): Declare.
24 * fold-const.c (combine_comparisons): Export.
25 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
27 (ifcombine_iforif): Use combine_comparisons.
29 2009-03-28 Jan Hubicka <jh@suse.cz>
31 * tree-eh.c (inlinable_call_p): New function.
32 (make_eh_edges): Use it.
33 (verify_eh_edges): Use it.
34 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
35 * except.c (reachable_next_level): Add inlinable_function argument
36 (sjlj_find_directly_reachable_regions): Update.
37 (add_reachable_handler): Do not set saw_any_handlers.
38 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
39 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
40 Add new inlinable call parameter.
41 (can_throw_internal, can_throw_external): Update.
42 * except.h (can_throw_internal_1, can_throw_external_1,
43 foreach_reachable_handler): Update declaration.
45 2009-03-28 Joseph Myers <joseph@codesourcery.com>
47 * config/arm/t-arm-coff, config/h8300/coff.h,
48 config/i386/i386-aout.h, config/i386/i386-coff.h,
49 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
50 config/pdp11/2bsd.h, config/rs6000/aix41.h,
51 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
52 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
53 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
55 * Makefile.in: Remove protoize and fixproto support and references
57 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
58 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
60 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
61 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
63 (rest.encap): Don't depend on $(STMP_FIXPROTO)
64 (.PHONY): Don't depend on proto.
65 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
66 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
67 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
68 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
69 build/gen-protos.o, build/scan.o, xsys-protos.h,
70 build/fix-header$(build_exeext), build/fix-header.o,
71 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
72 stmp-install-fixproto): Remove.
73 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
74 SYSCALLS.c or fixproto files.
75 (install-common): Don't install protoize.
76 (install-headers-tar, install-headers-cpio, install-headers-cp):
77 Don't depend on $(STMP_FIXPROTO).
78 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
79 install fixproto files or write out fixproto settings.
80 (uninstall): Don't uninstall protoize.
81 * config.gcc (use_fixproto): Remove.
82 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
83 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
84 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
85 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
86 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
87 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
88 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
89 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
90 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
91 * config/t-vxworks (STMP_FIXPROTO): Remove.
92 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
93 STMP_FIXPROTO): Remove.
94 * config.in, configure: Regenerate.
95 * crtstuff.c (gid_t, uid_t): Don't undefine.
96 * doc/install.texi: Change m68k-coff to m68k-elf in example.
97 (arm-*-coff, arm-*-aout: Remove target entries.
98 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
99 Remove mention of AIX 4.1.
100 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
101 * doc/invoke.texi (Running Protoize): Remove.
102 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
103 (Protoize Caveats): Remove.
104 * tsystem.h: Update comments on headers assumed to exist.
106 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
108 * genautomata.c: Add a new year to the copyright. Add a new
110 (struct insn_reserv_decl): Add comments for member bypass_list.
111 (find_bypass): Remove.
112 (insert_bypass): New.
113 (process_decls): Use insert_bypass.
114 (output_internal_insn_latency_func): Output all bypasses with the
115 same input insn in one switch case.
117 * rtl.def (define_bypass): Describe bypass choice.
118 * doc/md.texi (define_bypass): Ditto.
120 2009-03-27 Richard Guenther <rguenther@suse.de>
122 * gimplify.c (mark_addressable): Export.
123 * tree-flow.h (mark_addressable): Declare.
124 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
125 * tree-ssa.c (verify_phi_args): Verify that address taken
126 variables have TREE_ADDRESSABLE set.
128 2009-03-27 Richard Guenther <rguenther@suse.de>
130 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
131 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
132 Do not mark decls TREE_ADDRESSABLE.
133 (build_fold_addr_expr): Adjust.
134 (fold_addr_expr): Remove.
135 (fold_unary): Use build_fold_addr_expr.
136 (fold_comparison): Likewise.
137 (split_address_to_core_and_offset): Likewise.
138 * coverage.c (tree_coverage_counter_addr): Mark the array decl
140 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
141 (gimplify_modify_expr_to_memcpy): Mark source and destination
143 * omp-low.c (create_omp_child_function): Mark the object decl
145 (lower_rec_input_clauses): Mark the var we take the address of
147 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
149 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
152 * cfgexpand.c (expand_one_stack_var_at): Change alignment
153 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
155 2009-03-27 Richard Guenther <rguenther@suse.de>
157 PR tree-optimization/39120
158 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
160 (handle_lhs_call): Process return constraints. Add escape
161 constraints if necessary.
162 (handle_const_call): Fill out return constraints. Make nested
163 case more precise. Avoid consttmp if possible.
164 (handle_pure_call): Fill out return constraints. Avoid
165 callused if possible.
166 (find_func_aliases): Simplify call handling.
168 2009-03-27 Richard Guenther <rguenther@suse.de>
170 PR tree-optimization/39120
171 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
173 (solve_graph): Do propagate CALLUSED.
174 (handle_pure_call): Use a scalar constraint from CALLUSED for
176 (find_what_p_points_to): CALLUSED shall not appear in poins-to
179 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
182 * c-common.c (handle_aligned_attribute): Properly check alignment
183 overflow. Use (1U << i) instead of (1 << i).
185 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
188 * expr.h (get_mem_align_offset): Updated.
190 * tree.h (tree_decl_common): Change align to "unsigned int" and
191 move it before pointer_alias_set.
193 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
194 Jakub Jelinek <jakub@redhat.com>
197 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
198 gr_register_operand with gr_reg_or_0_operand.
199 (cmpxchg_rel_di): Likewise.
200 (sync_lock_test_and_set<mode>): Likewise.
202 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
204 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
205 (true_regnum): Likewise.
207 * rtlanal.c (subreg_info): Moved to ...
208 * rtl.h (subreg_info): Here. New.
209 (subreg_get_info): New.
211 * rtlanal.c (subreg_get_info): Make it extern.
213 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
216 * config/i386/i386.c (ix86_abi): New.
217 (override_options): Handle -mabi=.
218 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
220 (ix86_call_abi_override): Likewise.
221 (init_cumulative_args): Likewise.
222 (function_arg_advance): Likewise.
223 (function_arg_64): Likewise.
224 (function_arg): Likewise.
225 (ix86_pass_by_reference): Likewise.
226 (ix86_function_value_regno_p): Likewise.
227 (ix86_build_builtin_va_list_abi): Likewise.
228 (setup_incoming_varargs_64): Likewise.
229 (is_va_list_char_pointer): Likewise.
230 (ix86_init_machine_status): Likewise.
231 (ix86_reg_parm_stack_space): Use enum calling_abi on
233 (ix86_function_type_abi): Return enum calling_abi. Rewrite
234 for 64bit. Replace DEFAULT_ABI with ix86_abi.
235 (ix86_function_abi): Make it static and return enum
237 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
239 (ix86_fn_abi_va_list): Updated.
241 * config/i386/i386.h (ix86_abi): New.
242 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
243 (CONDITIONAL_REGISTER_USAGE): Likewise.
244 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
245 (machine_function): Likewise.
247 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
249 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
250 (STACK_BOUNDARY): Likewise.
251 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
253 * config/i386/i386.opt (mabi=): New.
255 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
256 return enum calling_abi.
257 (ix86_function_type_abi): Likewise.
258 (ix86_function_abi): Removed.
260 * doc/invoke.texi: Document -mabi= option for x86.
262 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * builtins.c (real_dconstp): Delete.
265 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
267 2009-03-27 Dodji Seketeli <dodji@redhat.com>
268 Jakub Jelinek <jakub@redhat.com>
271 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
272 (gen_subprogram_die): When a function is explicit, generate the
273 DW_AT_explicit attribute.
274 * langhooks.h (struct lang_hooks_for_decls): Add
275 function_decl_explicit_p langhook.
276 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
277 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
279 2009-03-27 Jakub Jelinek <jakub@redhat.com>
281 * builtins.c (fold_builtin_memory_op): Optimize memmove
282 into memcpy if we can prove source and destination don't overlap.
284 * tree-inline.c: Include gt-tree-inline.h.
285 (clone_fn_id_num): New variable.
286 (clone_function_name): New function.
287 (tree_function_versioning): Use it.
288 * Makefile.in (GTFILES): Add tree-inline.c.
290 2009-03-27 Mark Mitchell <mark@codesourcery.com>
292 * BASE-VER: Change to 4.5.0.
294 2009-03-27 Xinliang David Li <davidxl@google.com>
296 PR tree-optimization/39557
297 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
299 2009-03-27 Xinliang David Li <davidxl@google.com>
301 PR tree-optimization/39548
302 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
305 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
307 * c-common.c (pointer_int_sum): Use %wd on return from
310 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
312 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
313 on return from tree_low_cst.
315 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
318 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
320 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
323 * builtins.h (c_strlen): Do not warn here.
324 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
325 * c-common.c (pointer_int_sum): Take an explicit location.
326 Warn about offsets out of bounds.
327 * c-common.h (pointer_int_sum): Adjust declaration.
329 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
331 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
334 2009-03-26 Jakub Jelinek <jakub@redhat.com>
337 * opts.c (warn_if_disallowed_function_p): Don't assume
338 get_callee_fndecl must return non-NULL.
340 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
342 PR rtl-optimization/39522
343 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
344 when reg_reloaded_valid is set.
346 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
348 * config/spu/divv2df3.c: New file.
349 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
350 (DPBIT_FUNCS): Filter out _div_df.
352 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
354 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
355 a jump insn, count that jump in the distance to the loop start.
357 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
360 * config/sh/sh.c (calc_live_regs): Fix condition for global
361 registers except PIC_OFFSET_TABLE_REGNUM.
363 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
366 * doc/invoke.texi (-mconsole): New.
370 (-mnop-fun-dllimport): New.
374 (sub section "i386 and x86-64 Windows Options"): New.
376 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
378 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
379 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
381 2009-03-25 Richard Guenther <rguenther@suse.de>
384 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
387 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
389 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
390 neither of haifa/selective schedulers are working.
392 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
394 * doc/invoke.texi (Debugging Options): Fix description of
395 -fno-merge-debug-strings.
397 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
399 * config/cris/libgcc.ver: New version-script.
400 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
402 * configure.ac <GAS features, nop mnemonic>: Add pattern
403 crisv32-*-* for "nop".
404 <GAS features, Thread-local storage>: Add item for CRIS and
406 * configure: Regenerate.
408 2009-03-24 Ira Rosen <irar@il.ibm.com>
410 PR tree-optimization/39529
411 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
412 mark_sym_for_renaming for the tag copied to the new vector
415 2009-03-24 Arthur Loiret <aloiret@debian.org>
417 * config.host (alpha*-*-linux*): Use driver-alpha.o and
419 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
420 EXTRA_SPEC_FUNCTIONS.
421 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
422 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
423 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
424 -march and -mtune options.
426 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
428 * config/m68k/t-rtems: Add m5329 multilib.
430 2009-03-24 Dodji Seketeli <dodji@redhat.com>
431 Jakub Jelinek <jakub@redhat.com>
434 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
437 2009-03-23 Jakub Jelinek <jakub@redhat.com>
440 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
441 instead of c_parser_expression_conv, if original_code isn't one of the
442 4 allowed comparison codes, fail.
444 2009-03-23 Richard Guenther <rguenther@suse.de>
446 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
447 * tree.h (struct tree_type): Likewise.
448 * reload.h (struct insn_chain): Likewise.
449 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
450 * function.h (struct function): Likewise.
451 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
453 2009-03-23 Jakub Jelinek <jakub@redhat.com>
455 PR tree-optimization/39516
456 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
458 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
460 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
461 should be set true if BITS_PER_WORD of target is bigger than 32
463 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
465 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
466 Translate -B-options to -rpath-link. Correct existing
467 rpath-link and conditionalize on !nostdlib.
469 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
471 * doc/extend.texi (Function Attributes, Variable Attributes):
473 * doc/invoke.texi (Debugging Options, Optimize Options)
474 (i386 and x86-64 Options, MCore Options): Likewise.
476 2009-03-20 Jakub Jelinek <jakub@redhat.com>
479 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
480 it for block local namespace aliases.
481 (gen_decl_die): Pass context_die to gen_namespace_die.
483 2009-03-19 Jakub Jelinek <jakub@redhat.com>
486 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
487 minimum or maximum value.
489 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
491 * reginfo.c (globalize_reg): Recompute derived reg sets.
493 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
496 * libgcc2.c (mprotect): Do not use signed arguments for
497 VirtualProtect, use DWORD arguments. Also fix the 'may
498 be used uninitialized' warning for the np variable.
500 2009-03-19 Jakub Jelinek <jakub@redhat.com>
503 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
504 functions using regparm calling conventions when not optimizing.
505 (ix86_function_sseregparm): Similarly for sseregparm calling
508 2009-03-19 Li Feng <nemokingdom@gmail.com>
511 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
512 dependence if the first conflict is after niter iterations.
514 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
517 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
518 functions with dynamic stack-pointer adjustments.
520 2009-03-19 Ben Elliston <bje@au.ibm.com>
522 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
523 option; change to -msdata=data.
525 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
527 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
530 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
533 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
535 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
537 * doc/invoke.texi (Code Gen Options): Expand discussion of
540 2009-03-18 Jakub Jelinek <jakub@redhat.com>
542 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
543 * matrix-reorg.c (struct matrix_info): Likewise.
544 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
545 * rtl.h (struct mem_attrs): Likewise.
546 * df.h (struct df): Likewise.
547 * tree-data-ref.h (struct data_dependence_relation): Likewise.
548 * ira-int.h (struct ira_allocno): Likewise.
549 * df-scan.c (struct df_collection_rec): Likewise.
550 * ira.c (struct equivalence): Likewise.
551 * function.c (struct temp_slot): Likewise.
552 * cfgloop.h (struct loop): Likewise.
555 * function.c (use_register_for_decl): When not optimizing, disregard
556 register keyword for variables with types containing methods.
558 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
561 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
562 (is_simple_operand): Call contains_component_ref_p before calling data
563 reference analysis that would fail on COMPONENT_REFs.
565 * tree-vrp.c (search_for_addr_array): Fix formatting.
567 2009-03-18 Richard Guenther <rguenther@suse.de>
569 * tree-vect-transform.c (vect_loop_versioning): Fold the
570 generated comparisons.
571 * tree-vectorizer.c (set_prologue_iterations): Likewise.
572 (slpeel_tree_peel_loop_to_edge): Likewise.
574 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
577 * opts.c (print_specific_help): In addition to `undocumented',
578 accept `separate' and `joined' flags if passed alone. Describe
579 output by the first matched one of those.
580 (common_handle_option): Skip over empty strings.
581 * gcc.c (display_help): Fix help string for `--help='.
582 * doc/invoke.texi (Option Summary, Overall Options): With
583 `--help=', classes and qualifiers can both be repeated, but
584 only the latter can be negated. One should not pass only
585 negated qualifiers. Fix markup and examples.
588 2008-10-14 Jakub Jelinek <jakub@redhat.com>
590 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
593 2009-03-17 Jing Yu <jingyu@google.com>
596 * function.h (struct rtl_data): Move is_thunk from here...
597 (struct function): ...to here.
598 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
599 * varasm.c (assemble_start_function): Change is_thunk from crtl to
601 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
603 (alpha_does_function_need_gp, alpha_start_function): Likewise.
604 (alpha_output_function_end_prologue): Likewise.
605 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
606 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
607 (rs6000_output_function_epilogue): Likewise.
608 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
610 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
613 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
614 from different units in a single alternative.
615 (*truncdfsf_i387): Ditto.
616 (*truncxfsf2_mixed): Ditto.
617 (*truncxfdf2_mixed): Ditto.
619 2009-03-17 Jakub Jelinek <jakub@redhat.com>
621 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
622 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
625 * tree-ssa-live.c (remove_unused_locals): Don't remove local
626 unused non-artificial variables when not optimizing.
629 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
630 DW_TAG_imported_module even if decl is IMPORTED_DECL with
631 NAMESPACE_DECL in its DECL_INITIAL.
634 * optabs.c (set_user_assembler_libfunc): New function.
635 * expr.h (set_user_assembler_libfunc): New prototype.
636 * c-common.c: Include libfuncs.h.
637 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
638 for memcmp, memset, memcpy, memmove and abort.
639 * Makefile.in (c-common.o): Depend on libfuncs.h.
642 * dwarf2out.c (gen_inlined_enumeration_type_die,
643 gen_inlined_structure_type_die, gen_inlined_union_type_die,
644 gen_tagged_type_instantiation_die): Removed.
645 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
648 2009-03-17 Janis Johnson <janis187@us.ibm.com>
651 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
653 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
654 (check-parallel-%): Ditto.
655 (check-consistency): Ditto.
657 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
659 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
660 local variable rhs by NULL_TREE.
662 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
665 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
667 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
670 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
672 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
675 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
676 for ms->sysv ABI calls only in 64bit mode.
678 * config/i386/i386.md (untyped_call): Support 32bit.
680 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
682 * doc/extend.texi: Replace x86_65 with x86_64.
684 2009-03-16 Jakub Jelinek <jakub@redhat.com>
686 PR tree-optimization/39455
687 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
688 mismatches for POINTER_TYPE_P (type).
689 (number_of_iterations_le): Likewise.
691 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
693 * config/picochip/picochip.c: Removed profiling support.
694 * config/picochip/picochip.md: Removed profiling instruction.
695 * config/picochip/picochip.h: Removed profiling builtin.
697 2009-03-16 Joseph Myers <joseph@codesourcery.com>
699 * doc/install.texi (--with-host-libstdcxx): Document.
701 2009-03-14 Anatoly Sokolov <aesok@post.ru>
704 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
705 generate a warning if the function name does not begin with
706 "__vector" and the function has either the 'signal' or 'interrupt'
707 attribute, from here to ...
708 (avr_declare_function_name): ...here. New function.
709 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
710 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
712 2009-03-14 Jakub Jelinek <jakub@redhat.com>
715 * cse.c (fold_rtx): Don't modify original const_arg1 when
716 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
717 separate variable instead.
718 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
719 from out of range shift counts.
720 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
722 2008-03-13 Catherine Moore <clm@codesourcery.com>
724 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
725 diagnostic.h with $(DIAGNOSTIC_H).
727 2008-03-12 Jakub Jelinek <jakub@redhat.com>
730 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
732 * config/i386/sync.md (sync_compare_and_swap<mode>,
733 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
734 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
736 (sync_double_compare_and_swapdi_pic,
737 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
738 cmpxchg8b_pic_memory_operand instead of just memory_operand.
740 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
743 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
745 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
748 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
749 (avx_addsubv4df3): Likewise.
750 (*avx_addsubv4sf3): Likewise.
751 (sse3_addsubv4sf3): Likewise.
753 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
756 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
758 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
761 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
762 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
763 registers for allocnos created from user-defined variables.
765 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
768 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
769 of non-integer mode as well.
771 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
773 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
774 for functions for which the parameter types are unknown.
776 2009-03-11 Jakub Jelinek <jakub@redhat.com>
779 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
780 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
781 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
782 * config/i386/i386.c (ix86_local_alignment): For
783 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
784 long long variables on the stack to avoid dynamic realignment.
785 Allow the first argument to be a decl rather than type.
786 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
788 2009-03-11 Nick Clifton <nickc@redhat.com>
791 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
793 Add description to mno-lsim option.
794 * config/mcore/mcore.h: Remove comment about deprecated m4align
796 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
797 * doc/invoke.texi: Add description of mno-lsim and
798 mstack-increment options.
800 * config/fr30/fr30.opt: Document the -mno-lsim option.
801 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
802 and -mno-lsim options.
804 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
806 * fold-const.c (fold_comparison): Only call fold_inf_compare
807 if the mode supports infinities.
809 2009-03-11 Jason Merrill <jason@redhat.com>
812 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
813 end already did. Notice GIMPLE_CALL modifications of the result.
814 Don't copy debug information from an ignored decl or a decl from
817 2009-03-10 Richard Guenther <rguenther@suse.de>
818 Nathan Froyd <froydnj@codesourcery.com>
821 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
822 (__divMODE3): Likewise.
824 2009-03-09 Jakub Jelinek <jakub@redhat.com>
826 PR tree-optimization/39394
827 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
828 DECL_SIZE_UNIT of variable length FIELD_DECLs.
830 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
832 * recog.c (verfiy_changes): Disallow renaming of hard regs in
833 inline asms for register asm ("") declarations.
835 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
837 * fold-const.c (fold_unary): Fix comment.
839 2009-03-07 Jan Hubicka <jh@suse.cz>
842 * tree-inline.c (setup_one_parameter): Do replacement of const
843 argument by constant in SSA form.
845 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
848 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
849 determine alignment passed to assign_stack_local.
850 (assign_parms_unsplit_complex): Likewise.
851 * except.c (sjlj_build_landing_pads): Likewise.
853 2009-03-06 Jakub Jelinek <jakub@redhat.com>
856 * tree-flow.h (add_referenced_var): Return bool instead of void.
857 * tree-dfa.c (add_referenced_var): Return result of
858 referenced_var_check_and_insert call.
859 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
860 of referenced_var_check_and_insert.
863 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
864 (gen_variable_die): Emit DW_AT_location on abstract static variable's
865 DIE, don't emit it if abstract origin already has it.
866 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
867 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
869 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
871 * genpreds.c: (needs_variable): Fix parentheses at variable name
873 (write_tm_constrs_h): Indent generated code.
875 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
877 * doc/extend.texi (Function Attributes): Add documentation
880 2009-03-06 Jakub Jelinek <jakub@redhat.com>
883 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
884 take locus from its DECL_SOURCE_LOCATION instead of input_location.
886 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
888 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
891 2009-03-05 Jakub Jelinek <jakub@redhat.com>
894 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
895 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
897 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
899 * config/i386/i386.md (R8_REG, R9_REG): New constants.
900 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
901 constants instead of magic numbers.
902 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
904 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
905 (x86_64_ms_abi_int_parameter_registers): Ditto.
906 (x86_64_int_return_registers): Ditto.
907 (ix86_maybe_switch_abi): Ditto.
908 (ix86_expand_call): Ditto for clobbered_registers array.
909 (ix86_hard_regno_mode_ok): Ditto.
910 (x86_extended_QIreg_mentioned_p): Ditto.
912 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
914 PR tree-optimization/39349
915 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
917 * combine.c (gen_lowpart_for_combine): Use omode when generating
920 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
922 PR rtl-optimization/39235
923 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
925 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
927 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
929 2009-03-04 Richard Guenther <rguenther@suse.de>
931 PR tree-optimization/39362
932 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
933 that occur in abnormal PHIs should be varying.
935 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
937 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
939 (simple_iv): Take loop as an argument instead of statement.
940 * tree-scalar-evolution.h (simple_iv): Declaration changed.
941 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
943 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
945 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
946 * matrix-reorg.c (analyze_transpose): Ditto.
947 * tree-data-ref.c (dr_analyze_innermost): Ditto.
948 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
949 * tree-predcom.c (ref_at_iteration): Ditto.
950 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
952 2009-03-04 Richard Guenther <rguenther@suse.de>
954 PR tree-optimization/39358
955 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
956 escaped_id and callused_id.
957 (solve_graph): Likewise.
959 2009-03-04 Richard Guenther <rguenther@suse.de>
961 PR tree-optimization/39339
962 * tree-sra.c (try_instantiate_multiple_fields): Make it
963 no longer ICE on the above.
965 2009-03-03 Joseph Myers <joseph@codesourcery.com>
967 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
968 that fits within Pmode.
970 2009-03-03 Steve Ellcey <sje@cup.hp.com>
973 * tm.texi (LIBCALL_VALUE): Update description.
975 2009-03-03 Steve Ellcey <sje@cup.hp.com>
978 * doc/extend.texi (section): Update description.
980 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
983 * tree-inline.c (remapped_type): New.
984 (can_be_nonlocal): Call remapped_type instead of remap_type.
986 2009-03-03 Jakub Jelinek <jakub@redhat.com>
989 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
990 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
992 2009-03-03 Richard Guenther <rguenther@suse.de>
995 * tree.c (tree_nonartificial_location): New function.
996 * tree.h (tree_nonartificial_location): Declare.
997 * builtins.c (expand_builtin_memory_chk): Provide location
998 of the call location for artificial function pieces.
999 (maybe_emit_chk_warning): Likewise.
1000 (maybe_emit_sprintf_chk_warning): Likewise.
1001 (maybe_emit_free_warning): Likewise.
1002 * expr.c (expand_expr_real_1): Likewise.
1004 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1006 PR tree-optimization/39343
1007 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1008 COMPONENT_REF t has ARRAY_TYPE.
1010 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1013 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1014 when the type precision of the induction variable should be
1015 larger than the type precision of nit.
1016 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1017 * graphite.c (graphite_loop_normal_form): Same.
1018 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1020 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1022 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1023 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1024 numbers to describe clobbered registers.
1025 (*call_value_0_rex64_ms_sysv): Ditto.
1026 * config/i386/mmx.md (mmx_emms): Ditto.
1029 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1031 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1034 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1036 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1037 (spu_section_type_flags): New function.
1039 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1041 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1042 reg_class_contents of FLOAT_REGS into a temporary.
1044 2009-03-02 Richard Guenther <rguenther@suse.de>
1045 Ira Rosen <irar@il.ibm.com>
1047 PR tree-optimization/39318
1048 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1049 information to the vectorized statement.
1051 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1053 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1054 variable. Use defined names instead of magic constants for REX SSE
1057 2009-03-01 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/39331
1060 * omp-low.c (lower_send_shared_vars): Do not receive new
1061 values for the reference of DECL_BY_REFERENCE parms or results.
1063 2009-03-01 Jan Hubicka <jh@suse.cz>
1066 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1067 BLOCK_NONLOCALIZED_VAR): New macros.
1068 (tree_block): Add nonlocalized_vars.
1069 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1070 gen_decl_die): Add origin argument. Allow generation of die with
1071 origin at hand only.
1072 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1073 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1075 (gen_block_die): Fix checking for unused blocks.
1076 (process_scope_var): Break out from .... ; work with origins only.
1077 (decls_for_scope) ... here; process nonlocalized list.
1078 (dwarf2out_ignore_block): Look for nonlocalized vars.
1079 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1081 (dump_scope_block): Dump them.
1082 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1083 (remap_block): Likewise.
1084 (can_be_nonlocal): New predicate.
1085 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1087 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1089 * configure: Regenerate.
1091 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1093 * optc-gen.awk: No need to duplicate option flags twice.
1094 Reuse help texts for duplicate options which do not have any.
1096 * gcc.c (display_help): Document --version.
1098 * gcc.c (main): If print_help_list and verbose_flag, ensure
1099 driver output comes before subprocess output.
1101 * optc-gen.awk: Assign all remaining fields to help string,
1102 space-separated, for multi-line help in *.opt.
1104 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1105 -Wno-pedantic-ms-format is for MinGW targets only.
1107 * doc/options.texi (Option file format): Fix bad indentation,
1108 restoring dropped sentence.
1110 2009-02-28 Jan Hubicka <jh@suse.cz>
1112 * tree-inline.c (tree_function_versioning): Output debug info.
1114 2009-02-28 Jan Hubicka <jh@suse.cz>
1117 * tree-inline.c (setup_one_parameter): Do not copy propagate
1118 arguments when not optimizing.
1120 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1123 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1124 (avx_addsubv4df3): Likewise.
1125 (*avx_addsubv4sf3): Likewise.
1126 (sse3_addsubv4sf3): Likewise.
1127 (*avx_addsubv2df3): Likewise.
1128 (sse3_addsubv2df3): Likewise.
1129 (avx_unpckhps256): Correct item selectors.
1130 (avx_unpcklps256): Likewise.
1131 (avx_unpckhpd256): Likewise.
1132 (avx_unpcklpd256): Likewise.
1134 2009-02-28 Jan Hubicka <jh@suse.cz>
1136 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1138 (copy_arguments_for_versioning): If var is declared don't declare it.
1139 (tree_function_versioning): First setup substitutions and then copy
1142 2009-02-27 Jan Hubicka <jh@suse.cz>
1145 * cgraph.h (varpool_output_debug_info): Remove.
1146 * cgraphunit.c (varpool_output_debug_info): Remove.
1147 * dwarf2out.c (deferred_locations_struct): New struct
1148 (deferred_locations): New type.
1149 (deferred_locations_list): New static var.
1150 (deffer_location): New function.
1151 (gen_variable_die): Use it.
1152 (decls_for_scope): Output info on local static vars.
1153 (dwarf2out_finish): Process deferred locations.
1154 * varpool.c (varpool_output_debug_info): Remove.
1156 2009-02-27 Jan Hubicka <jh@suse.cz>
1159 * tree.h (TREE_PROTECTED): Fix comment.
1160 (BLOCK_HANDLER_BLOCK): Remove.
1161 (struct tree_block): Remove handler_block add body_block.
1162 (inlined_function_outer_scope_p): New.
1163 (is_body_block): Remove.
1164 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1165 * dwarf2out.c (is_inlined_entry_point): Remove.
1166 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1167 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1169 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1170 * gimplify.c (gimplify_expr): Gimplify body blocks.
1171 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1172 block with multiple subblocks.
1173 (dump_scope_block): Prettier output; dump more flags and info.
1174 (dump_scope_blocks): New.
1175 (remove_unused_locals): Use dump_scope_blocks.
1176 * tree-flow.h (dump_scope_blocks): Declare.
1177 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1178 * stmt.c (is_body_block): Remove.
1179 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1180 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1182 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1185 * graphite.c (graphite_loop_normal_form): Do not call
1186 number_of_iterations_exit from a gcc_assert.
1188 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1190 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1191 jumps if COND is NULL.
1192 (find_cond_jump): New function.
1193 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1194 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1196 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1198 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1199 force_const_mem returns NULL_RTX.
1201 2009-02-26 Jan Hubicka <jh@suse.cz>
1204 * cgraph.h (varpool_output_debug_info): Remove.
1205 * cgraphunit.c (varpool_output_debug_info): Remove.
1206 * dwarf2out.c (deferred_locations_struct): New struct
1207 (deferred_locations): New type.
1208 (deferred_locations_list): New static var.
1209 (deffer_location): New function.
1210 (gen_variable_die): Use it.
1211 (decls_for_scope): Output info on local static vars.
1212 (dwarf2out_finish): Process deferred locations.
1213 * varpool.c (varpool_output_debug_info): Remove.
1215 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1217 PR rtl-optimization/39241
1218 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1219 to subreg_offset_representable_p.
1221 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1223 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1224 execute function prototype. Get f and nregs from max_reg_num
1225 and get_insns. Remove the first backward pass as it's dead,
1226 guard the forward pass by flag_expensive_optimizations.
1227 (rest_of_handle_regmove): Delete.
1228 (pass_regmove): Replace it with regmove_optimize.
1230 2009-02-25 Martin Jambor <mjambor@suse.cz>
1232 PR tree-optimization/39259
1233 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1234 calls_alloca function flags.
1235 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1238 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1240 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1241 flags_set_1_rtx, flags_set_1_set): Delete.
1242 (regmove_optimize): Do not call mark_flags_life_zones.
1244 2009-02-24 Julian Brown <julian@codesourcery.com>
1247 * config/arm/arm.c (require_pic_register): Only set
1248 cfun->machine->pic_reg once per function.
1250 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1252 * doc/invoke.texi (Link Options): Document an easier way to pass
1253 options that take arguments to the GNU linker using -Xlinker and -Wl.
1255 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1258 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1260 2009-02-24 Richard Guenther <rguenther@suse.de>
1263 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1265 2009-02-24 Richard Guenther <rguenther@suse.de>
1266 Zdenek Dvorak <ook@ucw.cz>
1268 PR tree-optimization/39233
1269 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1270 from converting them to a generic type.
1272 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1274 PR tree-optimization/39260
1275 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1276 contains a condition with a real type.
1277 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1279 2009-02-23 Jason Merrill <jason@redhat.com>
1282 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1283 narrowing_initializer_constant_valid_p.
1284 (narrowing_initializer_constant_valid_p): Don't return
1285 null_pointer_node for adding a pointer to itself.
1287 2009-02-23 Jan Hubicka <jh@suse.cz>
1290 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1293 2009-02-23 Jan Hubicka <jh@suse.cz>
1295 PR tree-optimization/37709
1296 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1297 * tree.h (block_ultimate_origin): Declare.
1298 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1299 * tree-ssa-live.c (remove_unused_scope_block_p):
1300 Eliminate blocks containig no instructions nor live variables nor
1302 (dump_scope_block): New function.
1303 (remove_unused_locals): Enable removal of dead blocks by default;
1304 enable dumping at TDF_DETAILS.
1306 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1308 * config/i386/i386.c (classify_argument): Don't allow COImode
1310 (function_arg_advance_32): Don't allow OImode.
1311 (function_arg_32): Likewise.
1312 (function_value_32): Likewise.
1313 (return_in_memory_32): Likewise.
1314 (function_arg_64): Remove OImode comment.
1316 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1319 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1320 ix86_expand_vector_set for V4DImode in 64bit mode only.
1321 (ix86_expand_vector_init_one_var): Likewise.
1323 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1325 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1327 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1330 * loop-iv.c: Revert last change.
1331 * emit-rtl.c: Likewise.
1333 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1336 * config/i386/i386.c (type_natural_mode): Remove an extra
1337 space in the warning message.
1338 (function_value_32): Handle 32-byte vector modes.
1339 (return_in_memory_32): Likewise.
1341 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1343 * loop-iv.c (truncate_value): New function.
1344 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1346 (lowpart_subreg): Move to...
1347 * emit-rtl.c: ...here.
1349 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1351 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1352 accidental and undocumented change at revision 140860.
1354 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1356 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1357 take gimple_seq * arguments.
1358 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1359 types_compatible_p langhook.
1361 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1362 Joseph Myers <joseph@codesourcery.com>
1364 * config/arm/arm.c (arm_builtin_va_list): New function.
1365 (arm_expand_builtin_va_start): Likewise.
1366 (arm_gimplify_va_arg_expr): Likewise.
1367 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1368 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1369 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1370 (va_list_type): New variable.
1371 (arm_mangle_type): Mangle va_list_type appropriately.
1373 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1376 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1377 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1378 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1379 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1380 parameter to 1000 for -O1 by default.
1381 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1383 * loop-invariant.c: Include params.h.
1384 (move_loop_invariants): Don't call move_single_loop_invariants on
1387 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1389 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1390 offset when calculating bounds for indexing stack_usage_map. Fixes
1391 a buffer overflow with certain target setups.
1393 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1396 * calls.c (expand_call): Clear try_tail_call if caller and callee
1397 disagree in promotion of function return value.
1399 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1402 * c-common.c (c_determine_visibility): If visibility changed and
1403 DECL_RTL has been already set, call make_decl_rtl to update symbol
1406 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1409 * varasm.c (assemble_variable): Don't check DECL_NAME when
1410 globalizing a variable.
1412 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1415 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1416 expression before any __builtin_trap call.
1417 * c-typeck.c (build_function_call): Convert and check function
1418 arguments before generating a call to a trap. Evaluate the
1419 function arguments before the trap.
1421 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1424 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1425 (UNSPEC_FXAM_MEM): New unspec.
1426 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1427 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1428 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1430 2009-02-19 Richard Guenther <rguenther@suse.de>
1432 PR tree-optimization/39207
1433 PR tree-optimization/39074
1434 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1435 storedanything_tree): New.
1436 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1437 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1438 (build_succ_graph): Add edges from STOREDANYTHING to all
1440 (init_base_vars): Initialize STOREDANYTHING.
1441 (compute_points_to_sets): Free substitution info after
1442 building the succ graph.
1443 (ipa_pta_execute): Likewise.
1445 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1447 (do_ds_constraint): Do not add to special var or non-pointer
1449 (type_could_have_pointers): Split out from ...
1450 (could_have_pointers): ... here. For arrays use the element type.
1451 (create_variable_info_for): Initialize may_have_pointers.
1452 (new_var_info): Likewise.
1453 (handle_lhs_call): Make the HEAP variable unknown-sized.
1454 (intra_create_variable_infos): Use a type with pointers for
1455 PARM_NOALIAS, make it unknown-sized.
1457 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1460 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1462 2009-02-18 Jason Merrill <jason@redhat.com>
1465 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1466 value if DECL_EXTERNAL.
1467 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1468 * target.h (gcc_target::binds_local_p): Clarify "module".
1469 * tree.h (TREE_PUBLIC): Clarify "module".
1471 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1474 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1475 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1477 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1480 * c.opt (Wabi): Support C and ObjC.
1483 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1485 * config/i386/i386.c (classify_argument): Warn once about the ABI
1486 change when passing union with long double.
1488 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1490 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1493 * c-parser.c (c_parser_compound_statement): Always enter and leave
1496 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1499 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1501 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1503 PR tree-optimization/36922
1504 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1505 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1508 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1510 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1513 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1515 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1517 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1519 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1522 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1523 Richard Sandiford <rdsandiford@googlemail.com>
1525 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1526 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1527 (loongson_biadd): ...this.
1529 2009-02-17 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/39202
1532 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1533 a var make sure to follow existing collapses.
1535 2009-02-17 Richard Guenther <rguenther@suse.de>
1538 * langhooks.c (lhd_print_error_function): Check for NULL block.
1540 2009-02-17 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/39204
1543 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1546 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1548 * config/soft-fp/double.h: Update from glibc CVS.
1550 2009-02-17 Richard Guenther <rguenther@suse.de>
1552 PR tree-optimization/39207
1553 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1554 strict-aliasing warnings for pointers pointing to NULL.
1556 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1559 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1560 skipping until next close brace.
1562 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1565 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1566 to function argument boundary.
1568 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1570 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1571 in the lea_add. Reload eventually constraints it properly.
1572 * config/picochip/constraints.md : Remove the target constraint
1573 "b", since it is not needed anymore.
1575 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1577 * gthr-dce.h: Uglify function parameter and local variable names.
1578 * gthr-gnat.h: Likewise.
1579 * gthr-mipssde.h: Likewise.
1580 * gthr-nks.h: Likewise.
1581 * gthr-posix95.h: Likewise.
1582 * gthr-posix.h: Likewise.
1583 * gthr-rtems.h: Likewise.
1584 * gthr-single.h: Likewise.
1585 * gthr-solaris.h: Likewise.
1586 * gthr-tpf.h: Likewise.
1587 * gthr-vxworks.h: Likewise.
1588 * gthr-win32.h: Likewise.
1590 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1593 * config/i386/i386.md: Restrict the new peephole2 to move
1594 between MMX/SSE registers.
1596 2009-02-15 Richard Guenther <rguenther@suse.de>
1599 2009-02-13 Richard Guenther <rguenther@suse.de>
1601 * configure.ac: Enable LFS.
1602 * configure: Re-generate.
1603 * config.in: Likewise.
1605 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1607 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1608 spu_srqwbyte, spu_srqwbytebc): Define.
1609 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1610 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1611 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1612 "shrqby_<mode>"): New insn-and-split patterns.
1613 * config/spu/spu.c (expand_builtin_args): Determine and return
1614 number of operands using spu_builtin_description data.
1615 (spu_expand_builtin_1): Use it.
1617 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1620 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1623 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1626 * config/i386/i386.c (override_options): Correct warning
1627 messages for -malign-loops, -malign-jumps and -malign-functions.
1629 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1632 * config/i386/i386.md: Restrict the new peephole2 to move
1633 between the general purpose registers.
1635 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1638 * config/i386/i386.c (type_natural_mode): Add a new argument.
1639 Return the original mode and warn ABI change if vector size is 32byte.
1640 (function_arg_advance): Updated.
1641 (function_arg): Likewise.
1642 (ix86_function_value): Likewise.
1643 (ix86_return_in_memory): Likewise.
1644 (ix86_sol10_return_in_memory): Likewise.
1645 (ix86_gimplify_va_arg): Likewise.
1646 (function_arg_32): Don't warn ABX ABI change here.
1647 (function_arg_64): Likewise.
1649 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1651 * loop-iv.c (implies_p): In the final case, test that operands 0
1652 of the two comparisons match.
1654 * config/bfin/bfin.c (find_prev_insn_start): New function.
1655 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1656 (find_next_insn_start): Move.
1658 2009-02-13 Richard Guenther <rguenther@suse.de>
1660 * configure.ac: Enable LFS.
1661 * configure: Re-generate.
1662 * config.in: Likewise.
1664 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1667 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1668 sizes on syntax error after some arguments have been parsed.
1670 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1672 * doc/invoke.texi (-fira): Remove.
1674 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1676 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1677 * recog.c: Likewise.
1680 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1682 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1683 (umul_ppmm): Likewise.
1684 (count_leading_zeros): Likewise.
1685 (count_trailing_zeros): Likewise.
1686 (UMUL_TIME): Likewise.
1688 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1690 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1691 soft-fp/t-softfp to tmake_file.
1693 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1694 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1695 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1696 IA64_BUILTIN_INFQ]: New.
1697 (ia64_init_builtins): Initialize __builtin_infq,
1698 __builtin_fabsq and __builtin_copysignq if not HPUX.
1699 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1700 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1702 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1704 (__fixtfti): Likewise.
1705 (__fixunstfti): Likewise.
1706 (__floattitf): Likewise.
1708 * config/ia64/libgcc-glibc.ver: New.
1709 * config/ia64/t-fprules-softfp: Likewise.
1710 * config/ia64/sfp-machine.h: Likewise.
1712 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1713 (LIBGCC2_TF_CEXT): Likewise.
1714 (TF_SIZE): Likewise.
1715 (TARGET_INIT_LIBFUNCS): Likewise.
1717 * config/ia64/t-glibc (SHLINB_MAPFILES):
1718 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1720 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1722 * config/i386/i386.c (construct_container): Rewrite processing
1723 BLKmode with X86_64_SSE_CLASS.
1725 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1728 * config/i386/i386.md: Replace simplify_replace_rtx with
1729 replace_rtx in the new peephole2.
1731 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1733 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1734 loop unrolling do not happen at -O2.
1736 2009-02-12 Michael Matz <matz@suse.de>
1738 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1740 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1742 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1745 2009-02-12 Ben Elliston <bje@au.ibm.com>
1747 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1748 patterns when updating the back chain. Missed in the 2009-02-10
1751 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1753 * doc/extend.texi (Decimal Floating Types): Update identifier of
1754 draft TR and list of missing support.
1756 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1759 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1760 bit to variable length decl's flags, add it also to its
1761 pointer replacement variable.
1763 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1764 Jakub Jelinek <jakub@redhat.com>
1767 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1768 (memory_blockage): New expander.
1769 (*memory_blockage): New insn pattern.
1770 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1771 instead of general blockage at the end of function prologue when
1772 frame pointer is used to access red zone area. Do not emit blockage
1773 when profiling, it is emitted in generic code.
1774 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1775 function epilogue when frame pointer is used to access red zone area.
1777 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1780 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1781 by arithmetic with memory operands.
1782 * config/i386/predicates.md (commutative_operator): New.
1784 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1786 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1789 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1791 * alias.h (record_alias_subset): Declare.
1792 * alias.c (record_alias_subset): Make global.
1794 2009-02-10 Nick Clifton <nickc@redhat.com>
1796 * tree-parloops.c: Change license to GPLv3.
1797 * ipa-struct-reorg.c: Change license to GPLv3.
1798 * ipa-struct-reorg.h: Change license to GPLv3.
1800 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1803 * c-decl.c (start_struct): Return NULL on error.
1805 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1808 * cfgloopmanip.c (remove_path): Call remove_bbs after
1809 cancel_loop_tree, not before it.
1812 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1813 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1814 VAR_DECLs were seen.
1815 * tree-ssa-live.c (remove_unused_locals): Recompute
1816 cfun->has_local_explicit_reg_vars.
1817 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1818 copies or clearings if cfun->has_local_explicit_reg_vars.
1820 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1823 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1824 of function prologue when frame pointer is used to access
1827 2009-02-10 Richard Guenther <rguenther@suse.de>
1830 * gimplify.c (gimple_regimplify_operands): Always look if
1831 we need to create a temporary.
1833 2009-02-10 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/39132
1836 * tree-loop-distribution.c (todo): New global var.
1837 (generate_memset_zero): Trigger TODO_rebuild_alias.
1838 (tree_loop_distribution): Return todo.
1840 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1843 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1844 (x86_64_reg_class_name): Removed.
1845 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1846 first one isn't X86_64_SSE_CLASS or any other ones aren't
1847 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1848 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1849 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1850 and 3 X86_64_SSEUP_CLASS.
1851 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1852 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1854 2009-02-10 Ben Elliston <bje@au.ibm.com>
1856 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1857 form instruction to update the stack back chain word, even if the
1858 user has disabled the generation of update instructions.
1859 (movdi_<mode>_update_stack): New.
1860 (movsi_update_stack): Likewise.
1861 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1862 always use an update form instruction to update the stack back
1865 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1868 * graphite.c (if_region_set_false_region): After moving a region in
1869 the false branch of a condition, remove the empty dummy basic block.
1870 (gloog): Remove wrong fix for PR38953.
1872 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1874 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1875 generation due to implicit sign extension.
1877 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1880 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1881 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1883 2009-02-09 Richard Guenther <rguenther@suse.de>
1886 * convert.c (convert_to_real): Disable (float)fn((double)x)
1887 to fnf(x) conversion if errno differences may occur and
1888 -fmath-errno is set.
1890 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1892 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1893 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1894 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1896 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1899 * c-common.c (handle_alias_attribute): Disallow attribute for
1900 anything not a FUNCTION_DECL or VAR_DECL.
1902 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1905 * real.c (do_compare): Special-case compare of zero against
1906 decimal float value.
1908 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1911 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1912 as indicating flexible array members unless the field itself is
1913 being declarared as the incomplete array.
1915 2009-02-06 Jan Hubicka <jh@suse.cz>
1917 PR tree-optimization/38844
1918 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1921 2009-02-06 Richard Guenther <rguenther@suse.de>
1924 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1925 fork because we may expand it as __gcov_fork.
1927 2009-02-06 Nick Clifton <nickc@redhat.com>
1929 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1931 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1933 PR tree-optimization/35659
1934 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1935 vn_phi_eq): Shortcut if hashcode does not match.
1936 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1938 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1939 and avoid iterative_hash_expr.
1940 (FOR_EACH_VALUE_ID_IN_SET): New.
1941 (value_id_compare): Remove.
1942 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1943 sort expressions by value id.
1945 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1948 * config/sh/predicates.md (general_movsrc_operand): Don't check
1949 the subreg of system registers here.
1951 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1954 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1957 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1959 PR rtl-optimization/39110
1960 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1961 addresses, not aligned ones.
1963 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1964 Richard Guenther <rguenther@suse.de>
1966 PR tree-optimization/39100
1967 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1968 comment says and add edges.
1970 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1973 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1974 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1976 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1978 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1979 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1980 register_bb_in_sese, new_sese, free_sese): Moved.
1981 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1982 outermost_loop_in_scop, build_scop_iteration_domain,
1983 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1984 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1985 Use loop_in_sese_p instead of loop_in_scop_p.
1986 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1987 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1988 (scopdet_basic_block_info): Fix bug in scop detection.
1989 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1990 eq_loop_to_cloog_loop): Remove.
1991 (nb_loops_around_loop_in_scop, nb_loop
1992 ref_nb_loops): Moved here...
1993 * graphite.h (ref_nb_loops): ... from here.
1994 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1995 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1996 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1997 * testsuite/gcc.dg/graphite/scop-19.c: New
1999 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2000 Hans-Peter Nilsson <hp@axis.com>
2002 PR rtl-optimization/37889
2003 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2004 Move offset handling from PLUS to before the switch. Use new
2005 arguments when considering SYMBOL_REFs too.
2006 (rtx_addr_can_trap_p): Pass dummy offset and size.
2007 (enum may_trap_p_flags): Remove.
2008 (may_trap_p_1): Pass size from MEM_SIZE.
2010 PR rtl-optimization/38921
2011 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2012 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2013 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2014 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2016 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2018 AVX Programming Reference (January, 2009)
2019 * config/i386/sse.md (*vpclmulqdq): New.
2021 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2023 PR tree-optimization/38977
2024 PR gcov-profile/38292
2025 * calls.c (special_function_p): Disregard __builtin_ prefix.
2027 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2029 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2030 non-indexable addresses even before reload.
2032 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2035 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2036 as having variable size. Do not give an error for unnamed
2037 parameters with [*] declarators. Give a warning for type names
2038 with [*] declarators and mark them as variable size.
2039 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2040 for sizeof applied to [*] type names.
2042 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2045 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2047 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2049 * gcc.c (process_command): Update copyright notice dates.
2050 * gcov.c (print_version): Likewise.
2051 * gcov-dump.c (print_version): Likewise.
2052 * mips-tfile.c (main): Likewise.
2053 * mips-tdump.c (main): Likewise.
2055 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2058 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2059 for composite type involving a zero-length array type.
2061 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2064 * function.c (match_asm_constraints_1): Skip over
2065 initial optional % in the constraint.
2068 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2069 supported, don't accept FIXED_CSTs.
2070 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2071 and _Sat is used without _Fract/_Accum. Set specs->type to
2072 integer_type_node for cts_fract/cts_accum if fixed point is not
2075 2009-02-02 Catherine Moore <clm@codesourcery.com>
2077 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2079 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2081 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2082 (ABI_HAS_64BIT_SYMBOLS): Use it.
2083 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2085 2009-02-02 Paul Brook <paul@codesourcery.com>
2087 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2089 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2092 * recog.h (asm_operand_ok): Add constraints argument.
2093 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2094 recurse on matching constraint.
2095 (check_asm_operands): Pass constraints as 3rd argument to
2096 asm_operand_ok. Don't look up matching constraint here.
2097 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2100 2009-02-02 Ben Elliston <bje@au.ibm.com>
2102 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2103 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2105 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2107 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2108 information. Remove some obsolete information. Reorganize.
2110 * config/pa/fptr.c: Revert license to GPL 2.
2111 * config/pa/milli64.S: Likewise.
2113 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2116 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2117 LIBRARY name in, instead of hard-coding it.
2118 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2119 extra target make frag to tmake_files according to EH model.
2120 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2121 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2122 frags that define makefile variable EH_MODEL appropriately.
2123 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2124 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2125 to "-sjlj" according to type of EH configured.
2126 (LIBGCC_SONAME): Concatenate it to shared library base name.
2127 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2128 to "_sjlj" according to type of EH configured.
2129 (LIBGCC_SONAME): Concatenate it to shared library base name.
2130 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2131 (SHLIB_LINK): Add missing semicolon to if-else construct.
2132 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2133 string value of "pe_dll" command-line option.
2134 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2135 (SHLIB_SONAME): Use it when overriding t-cygming default.
2136 (SHLIB_IMPLIB): Override t-cygming default.
2137 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2138 string value of "pe_dll" command-line option.
2140 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2143 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2144 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2146 2009-01-31 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/38937
2149 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2150 computing the transitive closure.
2152 2009-01-30 Richard Guenther <rguenther@suse.de>
2154 PR tree-optimization/39041
2155 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2156 Propagate variable indices only if the types match for this stmt.
2158 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2161 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2162 inline but never defined.
2164 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2166 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2167 (*insv_h_di_reg_extimm): New insn.
2168 (*insv_l<mode>_reg_extimm): New insn.
2170 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2172 * config/picochip/picochip.c (flag_conserve_stack): set
2173 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2174 fconserve-stack. Reduce call-overhead used by inliner.
2176 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2179 * common.opt (flag_conserve_stack): Initialised to zero.
2181 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2184 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2185 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2188 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2190 * ira-color.c (allocno_reload_assign): Update comments.
2191 * regmove.c (regmove_optimize): Likewise.
2195 2009-01-29 Robert Millan <rmh@aybabtu.com>
2197 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2198 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2199 `MD_UNWIND_SUPPORT'.
2200 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2202 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2204 PR tree-optimization/39007
2205 * tree-loop-distribution.c (generate_builtin): Use
2206 recompute_dominator to compute the immediate dominator of the
2207 basic block just after the loop.
2209 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2211 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2212 (ASM_OUTPUT_DWARF_PCREL): Define.
2214 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2216 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2217 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2218 global. Modify entries about regmove and IRA.
2220 * ra-conflict.c: Remove the file.
2222 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2224 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2225 (pass_regclass_init): Rename to pass_reginfo_init.
2227 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2229 * toplev.h (flag_ira): Remove.
2231 * caller-save.c (setup_save_areas): Remove flag_ira.
2233 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2235 * global.c: Remove the file.
2237 * opts.c: (decode_options): Remove flag_ira.
2239 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2241 * regmove.c: Modify file description.
2242 (find_use_as_address, try_auto_increment): Define them only if
2243 AUTO_INC_DEC is defined.
2244 (replacement_quality, replace_in_call_usage, fixup_match_1,
2245 stable_and_no_regs_but_for_p): Remove.
2246 (reg_set_in_bb): Make it static.
2247 (regmove_optimize): Remove flag_ira and code which worked for
2250 * local-alloc.c: Remove the file.
2252 * common.opt (fira): Remove.
2254 * ira.c: Include except.h.
2255 (eliminable_regset): Move from global.c.
2256 (mark_elimination): Ditto. Remove flag_ira.
2257 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2258 equiv_mem_modified, validate_equiv_mem_from_store,
2259 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2260 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2261 no_equiv, recorded_label_ref): Move from local-alloc.c.
2262 (update_equiv_regs): Ditto. Make it static.
2263 (print_insn_chain, print_insn_chains): Move it from global.c.
2264 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2265 (build_insn_chain): Ditto. Make it static.
2266 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2267 Rename to init_live_subregs.
2268 (gate_ira): Remove flag_ira.
2270 * regclass.c: Rename reginfo.c. Change file description.
2271 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2272 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2273 (init_reg_sets_1): Remove code for evaluation of
2274 reg_class_superclasses and losing_caller_save_reg_set.
2275 (init_regs): Remove init_reg_autoinc.
2276 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2277 ok_for_base_p_nonstrict): Remove.
2278 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2279 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2280 corresponding entries.
2281 (dump_regclass, record_operand_costs, scan_one_insn,
2282 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2283 record_address_regs, auto_inc_dec_reg_p): Remove.
2284 (gt-regclass.h): Rename to gt-reginfo.h.
2286 * rtl.h (dump_global_regs, retry_global_alloc,
2287 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2289 * Makefile.in (RA_H): Remove.
2290 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2291 Rename regclass.o to reginfo.o.
2292 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2294 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2295 (GTFILES): Rename regclass.c to reginfo.c.
2297 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2298 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2300 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2301 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2303 (finish_spills): Ditto. Remove code for !flag_ira.
2305 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2308 * doc/invoke.texi (rtl debug options): Complete rewrite.
2309 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2311 * mode-switching.c (pass_mode_switching): Rename pass from
2312 "mode-sw" to "mode_sw".
2313 * except.c (pass_convert_to_eh_ranges): Rename pass from
2314 "eh-ranges" to "eh_ranges".
2315 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2319 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2320 Alexander Monakov <amonakov@ispras.ru>
2323 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2325 (move_exprs_to_boundary): Change return type and pass through
2326 should_move from move_op. Relax assert. Update usage ...
2327 (schedule_expr_on_boundary): ... here. Use should_move instead of
2329 (move_op_orig_expr_found): Indicate that insn was disconnected from
2331 (code_motion_process_successors): Do not call after_merge_succs
2332 callback if original expression was not found when traversing any of
2334 (code_motion_path_driver): Change return type. Update prototype.
2335 (move_op): Update comment. Add a new parameter (should_move). Update
2336 prototype. Set *should_move based on indication provided by
2337 move_op_orig_expr_found.
2339 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2341 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2342 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2343 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2344 * config/rs6000/rs6000.c (rs6000_override_options): Default
2345 avoid-indexed-addresses on for Power6, off for everything else.
2346 (avoiding_indexed_address_p): New function.
2347 (rs6000_legitimize_address): Use it.
2348 (rs6000_legitimate_address): Likewise.
2349 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2351 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2353 PR tree-optimization/38997
2354 * tree-loop-distribution.c (generate_memset_zero): Use
2355 POINTER_PLUS_EXPR for a pointer addition.
2357 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2359 * config/s390/s390.md (bswap<mode>2): New pattern added.
2361 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2363 * config/s390/s390.md (*tls_load_31): Added type attribute.
2365 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2367 * config/s390/s390.md: Fix a few comments.
2369 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2371 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2372 (*tm<mode>_full): Fixed z10prop attribute.
2373 (*tst<mode>_extimm): Fixed z10prop attribute.
2374 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2375 (*tstqiCCT_cconly): Fixed z10prop attribute.
2376 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2377 (*movsi_larl): Fixed z10prop attribute.
2378 (*movsi_zarch): Fixed z10prop attribute.
2379 (*movsi_eas): Fixed z10prop attribute.
2380 (*movhi): Fixed z10prop attribute.
2381 (*movqi): Fixed z10prop attribute.
2382 (*movstrictqi): Fixed z10prop attribute.
2383 (*mov<mode>): Fixed z10prop attribute.
2384 (*movcc): Fixed z10prop attribute.
2385 (*sethighpartdi_64): Fixed z10prop attribute.
2386 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2387 (*negdi2_sign_cc): Fixed z10prop attribute.
2388 (*negdi2_sign): Fixed z10prop attribute.
2389 (*absdi2_sign_cc): Fixed z10prop attribute.
2390 (*absdi2_sign): Fixed z10prop attribute.
2391 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2392 (*negabsdi2_sign): Fixed z10prop attribute.
2393 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2394 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2395 (doloop_si64): Fixed z10prop attribute.
2396 (doloop_si31): Fixed z10prop attribute.
2397 (doloop_long): Fixed z10prop attribute.
2398 (indirect_jump): Fixed z10prop attribute.
2399 (nop): Fixed z10prop attribute.
2400 (main_base_64): Fixed z10prop attribute.
2401 (reload_base_64): Fixed z10prop attribute.
2403 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2405 PR rtl-optimization/38740
2406 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2408 * config/mips/mips.c (mips_reorg): Likewise.
2410 2009-01-28 Richard Guenther <rguenther@suse.de>
2412 PR tree-optimization/38926
2413 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2414 with the correct value id to a value.
2415 (do_regular_insertion): Use the value number of edoubleprime
2416 for the value number of the expr.
2419 2008-08-21 Richard Guenther <rguenther@suse.de>
2421 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2422 a PHI ask VN if it is already available.
2423 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2424 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2426 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2429 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2430 set to varying whenever max has TREE_OVERFLOW set, similarly
2431 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2433 2009-01-28 Richard Guenther <rguenther@suse.de>
2436 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2437 uninitialized aggregate uses in call arguments.
2439 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2441 PR tree-optimization/38984
2442 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2443 the nothing_id variable if -fno-delete-null-pointer-checks.
2445 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2448 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2449 (set_got_offset_rex64): Ditto.
2451 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2454 * doc/extend.texi: Improve local variable with asm reg.
2456 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2458 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2459 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2460 was not supplied then set warn_packed_bitfield_compat to the
2462 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2465 2009-01-27 Richard Guenther <rguenther@suse.de>
2467 PR tree-optimization/38503
2468 * cfgexpand.c (expand_gimple_basic_block): Ignore
2469 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2470 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2471 variables that cannot have TBAA applied.
2472 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2475 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2478 * calls.c (initialize_argument_information): Do not wrap complex
2479 arguments in SAVE_EXPR.
2481 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2483 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2484 (INSTALL_LIBGCC): Revert typo commit.
2486 2009-01-26 Richard Guenther <rguenther@suse.de>
2488 PR tree-optimization/38745
2489 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2490 from special handling.
2492 2009-01-26 Richard Guenther <rguenther@suse.de>
2494 PR tree-optimization/38745
2495 * tree-ssa.c (execute_update_addresses_taken): Do not include
2496 variables that cannot possibly be a register in not_reg_needs.
2497 Do not clear TREE_ADDRESSABLE on vars that may not become
2499 * tree-ssa.c (update_alias_info_1): Include those in the set
2500 of addressable vars.
2502 2009-01-26 Richard Guenther <rguenther@suse.de>
2505 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2506 * tree-ssa-dse.c: Include langhooks.h
2507 (execute_simple_dse): Remove stores with zero size.
2509 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2512 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2515 2009-01-24 Julian Brown <julian@codesourcery.com>
2517 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2518 config/arm/linux-atomic.c.
2519 * config/arm/linux-atomic.c: New.
2521 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2523 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2524 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2525 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2527 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2530 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2533 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2535 PR tree-optimization/38953
2536 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2537 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2538 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2539 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2542 2009-01-24 Paul Brook <paul@codesourcery.com>
2544 * config/arm/neon.md (neon_type): Move to arm.md.
2545 (neon_mov<VSTRUCT>): Add neon_type attribute.
2546 * config/arm/arm.md (neon_type): Move to here.
2547 (conds): Add "unconditioal" and use as default for NEON insns.
2549 2009-01-24 Ben Elliston <bje@au.ibm.com>
2551 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2552 void *' warning from -Wc++-compat.
2553 * Makefile.in (dominance.o-warn): Remove.
2555 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2557 PR tree-optimization/38932
2558 * fold-const.c (fold_unary_ignore_overflow): New.
2559 * tree.h (fold_unary_ignore_overflow): Declare.
2560 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2561 * tree-ssa-sccvn.c (visit_reference_op_load,
2562 simplify_unary_expression): Likewise.
2564 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2566 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2567 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2568 regardless of their type.
2569 * c-common.c (handle_packed_attribute): Don't ignore packed on
2571 * c.opt (Wpacked-bitfield-compat): New warning option.
2572 * stor-layout.c (place_field): Warn if offset of a field changed.
2573 * doc/extend.texi (packed): Mention the ABI change.
2574 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2575 (Warning Options): Add it to the list.
2577 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2579 * c-opts.c (c_common_post_options): Fix a typo in comments.
2581 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2584 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2585 variables to static.
2586 * doc/invoke.texi (-fmerge-all-constants): Update description.
2588 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2591 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2592 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2594 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2596 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2598 (LOCAL_ALIGNMENT): Similarly.
2600 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2601 Joseph Myers <joseph@codesourcery.com>
2603 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2604 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2605 * config/arm/arm-tune.md: Regenerate.
2606 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2609 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2611 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2612 version number to five.
2614 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2617 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2618 * c-common.c (set_underlying_type): Likewise.
2619 (is_typedef_decl ): Likewise
2621 (set_underlying_type): Likewise.
2622 (is_typedef_type): Likewise.
2624 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2627 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2630 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2633 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2634 (LIBGCC_SPEC): Don't define.
2635 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2637 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2639 PR rtl-optimization/38879
2640 * alias.c (base_alias_check): Unaligned access via AND address can
2641 alias all surrounding object types except those with sizes equal
2642 or wider than the size of unaligned access.
2644 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2647 * c-decl.c: (clone_underlying_type): Move this ...
2648 * c-common.c (set_underlying_type): ... here.
2649 Also, make sure the function properly sets TYPE_STUB_DECL() on
2650 the newly created typedef variant type.
2651 (is_typedef_decl ): New entry point.
2652 * tree.h: Added a new member member_types_needing_access_check to
2653 struct tree_decl_non_common.
2654 (set_underlying_type): New entry point.
2655 (is_typedef_type): Likewise.
2657 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2659 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2660 Check whether two instructions have memory references that
2661 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2662 are helper functions for traversing.
2663 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2664 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2665 not to draw dependency edge for instructions with non-conflicting
2668 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2671 * longlong.h: Update copyright years. Use soft-fp license notice.
2672 Sync __clz_tab declaration with glibc.
2674 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2677 * doc/extend.texi (syscall_linkage): New.
2678 (version_id): Modify.
2680 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2681 Richard Guenther <rguenther@suse.de>
2683 PR tree-optimization/38747
2684 PR tree-optimization/38748
2685 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2686 conversion if the base address is an indirect reference and the
2687 aliasing sets could cause issues.
2689 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2691 * common.opt (fgraphite, fgraphite-identity): Add comment for
2692 explaining why these options are not documented.
2694 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2696 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2697 gimple_call_lhs is NULL.
2699 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2702 * emit-rtl.c (adjust_address_1): Make sure memref is never
2705 2009-01-20 Ben Elliston <bje@au.ibm.com>
2707 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2708 const qualifier from arg parameter. Remove unnecessary cast to char *.
2709 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2710 const qualifier from arg 2.
2712 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2714 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2716 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2719 * rtl.h (reinit_regs): New prototype.
2720 * regclass.c: Include ira.h.
2722 * Makefile.in (regclass.o): Add ira.h.
2723 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2725 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2728 * c-common.c (handle_aligned_attribute): Use
2729 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2730 default alignment value.
2732 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2734 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2735 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2737 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2738 __BIGGEST_ALIGNMENT__.
2740 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2742 2009-01-18 Richard Guenther <rguenther@suse.de>
2744 PR tree-optimization/38819
2745 * tree-flow.h (operation_could_trap_helper_p): Declare.
2746 * tree-eh.c (operation_could_trap_helper_p): Export.
2747 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2748 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2749 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2750 are about to insert a possibly trapping instruction and fail
2753 2009-01-18 Andreas Schwab <schwab@suse.de>
2755 * doc/install.texi (Configuration): Remove obsolete paragraph
2756 about use of --with-gnu-ld with --with-gnu-as.
2758 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2760 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2761 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2762 Follow spelling conventions.
2764 2009-01-18 Ben Elliston <bje@au.ibm.com>
2766 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2767 C++ warning about implicit conversion from void * to struct
2769 (bitmap_obstack_free): Likewise for bitmap_element *.
2770 * Makefile.in (bitmap.o-warn): Remove.
2772 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2774 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2776 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2777 Tobias Grosser <tobi.grosser@amd.com>
2779 * graphite.c (graphite_trans_scop_block): Do not block single
2782 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2784 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2785 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2786 test with assertion.
2788 2009-01-16 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/38835
2792 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2793 and INT + PTR -> (INT)(PTR p+ INT) folding.
2794 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2796 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2799 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2800 the subreg from a lowpart subreg if it is also casting the value.
2802 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2803 Tobias Grosser <tobi.grosser@amd.com>
2805 * graphite.c (compare_prefix_loops): New.
2806 (build_scop_canonical_schedules): Rewritten.
2807 (graphite_transform_loops): Move build_scop_canonical_schedules
2808 after build_scop_iteration_domain.
2810 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2811 Tobias Grosser <tobi.grosser@amd.com>
2813 * graphite.c (add_conditions_to_domain): Add the loops to
2814 the dimension of the iteration domain. Do copy the domain
2815 only when it exists.
2816 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2817 (add_conditions_to_constraints): New.
2818 (can_generate_code_stmt, can_generate_code): Removed.
2819 (gloog): Do not call can_generate_code.
2820 (graphite_transform_loops): Call add_conditions_to_constraints
2821 after building the iteration domain.
2823 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2825 PR tree-optimization/38789
2826 * tree-ssa-threadedge.c
2827 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2828 __builtin_constant_p.
2830 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2832 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2833 examined before deleting them.
2835 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2837 * function.c (aggregate_value_p): Correctly extract the function
2838 type from CALL_EXPR_FN lookup.
2840 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2842 * config/picochip/picochip.c (picochip_override_options): Revert
2843 CFI asm flag disable commited previously.
2845 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2846 Tobias Grosser <tobi.grosser@amd.com>
2847 Jan Sjodin <jan.sjodin@amd.com>
2849 * graphite.c (scan_tree_for_params): On substractions negate
2850 all the coefficients of the term.
2851 (clast_to_gcc_expression_red): New. Handle reduction expressions
2852 of more than two operands.
2853 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2854 (get_vdef_before_scop): Handle also the case of default definitions.
2856 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2858 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2859 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2860 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2862 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2863 Joey Ye <joey.ye@intel.com>
2866 * cfgexpand.c (expand_stack_alignment): Don't update stack
2867 boundary nor check incoming stack boundary here.
2868 (gimple_expand_cfg): Update stack boundary and check incoming
2869 stack boundary here.
2871 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2873 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2875 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2877 PR rtl-optimization/38245
2878 * calls.c (expand_call): Add stack arguments to
2879 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2880 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2881 in regs and partially in memory or BLKmode arguments.
2882 (emit_library_call_value_1): Add stack arguments to
2883 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2884 ACCUMULATE_OUTGOING_ARGS).
2885 * dce.c: Include tm_p.h.
2886 (find_call_stack_args): New function.
2887 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2889 (mark_insn): Call find_call_stack_args for CALL_Ps.
2890 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2891 forwards. Allocate and free arg_stores bitmap if needed, pass it
2892 down to deletable_insn_p, don't mark stores set in arg_stores
2893 bitmap, clear the bitmap at the beginning of each bb.
2894 * Makefile.in (dce.o): Depend on $(TM_P_H).
2896 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2899 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2900 to make sure the insn is a conditional test (bug 22599). Reformat a
2903 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2906 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2907 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2908 (gloog): Do not call cleanup_tree_cfg.
2909 (graphite_transform_loops): Call cleanup_tree_cfg after all
2910 scops have been code generated.
2912 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2913 * doc/gty.texi (Invoking the garbage collector): Added new node
2914 and section documenting ggc_collect.
2916 2009-01-14 Richard Guenther <rguenther@suse.de>
2918 PR tree-optimization/38826
2920 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2921 initialization notes only if we actually emitted a warning.
2922 (intra_create_variable_infos): Add constraints for a result decl
2923 that is passed by hidden reference.
2924 (build_pred_graph): Mark all related variables non-direct on
2927 2009-01-14 Nick Clifton <nickc@redhat.com>
2929 * ira-conflicts.c: Include addresses.h for the definition of
2931 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2932 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2934 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2937 * Makefile.in (ira-lives.o): Add except.h.
2939 * ira-lives.c: Include except.h.
2940 (process_bb_node_lives): Process can_throw_internal.
2942 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2944 PR rtl-optimization/38774
2945 * combine.c (simplify_set): When undoing cc_use change, don't do
2946 PUT_CODE on the newly created comparison, but instead put back the
2949 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2951 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2952 values. Remove duplicate arm8 entry.
2954 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2956 PR tree-optimization/38786
2957 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2958 the SSA_NAME case of expand_scalar_variables_expr.
2959 Set the type of an expression to the type of its assign statement.
2960 (expand_scalar_variables_expr): Also gather the scalar computation
2961 used to index the memory access. Do not pass loop_p.
2962 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2963 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2964 the gimple_stmt_iterator where it inserts new code.
2966 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2967 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2969 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2971 * graphite.h (debug_value): Removed.
2972 * graphite.c (debug_value): Removed.
2974 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2976 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2977 ldrd/strd with two 32-bit instructions.
2979 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2981 * config/arm/arm.c (struct processors): Pass for speed down into
2982 cost helper functions.
2983 (const_ok_for_op): Handle COMPARE and inequality nodes.
2984 (arm_rtx_costs_1): Rewrite.
2985 (arm_size_rtx_costs): Update prototype.
2986 (arm_rtx_costs): Pass speed down to helper functions.
2987 (arm_slowmul_rtx_costs): Rework cost calculations.
2988 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2989 (arm_9e_rtx_costs): Likewise.
2991 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2993 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2994 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2995 (alpha_legitimize_address): Do not split local symbols wider than
2996 UNITS_PER_WORD into HIGH/LO_SUM parts.
2998 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3001 * gcc.c (process_command): Replace call to execvp with calls
3002 to pex_one and exit.
3004 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3007 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3008 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3009 variant for devices with 3-byte PC.
3010 (__tablejump_elpm__) : New.
3012 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3015 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3016 offsetof member-designator, handle it as `[0].'.
3018 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3020 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3021 function when not using named sections on targets with named sections
3022 if branch distance is less than 262132.
3024 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3026 * combine.c (combine_instructions): Recompute
3027 optimize_this_for_speed_p for each BB in the main combine loop.
3029 2009-01-12 Tomas Bily <tbily@suse.cz>
3032 * tree-loop-distribution.c (prop_phis): New function.
3033 (generate_builtin): Call prop_phis.
3034 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3036 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3038 PR tree-optimization/38807
3039 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3040 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3042 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3044 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3045 subreg of op0 to the original op0.
3047 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3049 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3051 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3054 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3055 starting with digits.
3057 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3060 * config/arm/arm.c (arm_is_long_call_p): Don't call
3061 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3063 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3065 * regrename.c (regrename_optimize): Fix dumping.
3066 (find_oldest_value_reg): Preserve REG_POINTER.
3067 (copy_hardreg_forward_1): Likewise.
3069 2009-01-09 Diego Novillo <dnovillo@google.com>
3071 * gimple.h (struct gimple_statement_base) <uid>: Document
3072 the restrictions on its use.
3074 (gimple_set_uid): Tidy.
3076 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3078 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3079 zero guard even if align_bytes != 0 and count is smaller than
3082 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3084 PR rtl-optimization/38495
3085 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3086 (add_range_and_copies_from_move_list): Print all added ranges.
3087 Add ranges to memory optimized destination.
3089 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3093 * config/i386/i386.c (override_options): Reject
3094 -mstringop-strategy=rep_8byte with -m32.
3095 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3096 to 1. Do count comparison against epilogue_size_needed at compile
3097 time even when count_exp was constant forced into register. For
3098 size_needed don't jump to epilogue, instead just avoid aligning
3099 and invoke the body algorithm. If need_zero_guard, add zero guard
3100 even if count is non-zero, but smaller than size_needed + number of
3101 bytes that could be stored for alignment.
3102 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3103 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3104 but smaller than size_needed + number of bytes that could be stored
3105 for alignment. Compare size_needed with epilogue_size_needed instead
3106 of desired_align - align, don't adjust size_needed, pass
3107 epilogue_size_needed to the epilogue expanders.
3110 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3112 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3114 * pa.c (last_address): Change to unsigned.
3115 (update_total_code_bytes): Change argument to unsigned. Don't
3116 check if insn addresses are set.
3117 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3118 addresses are not set.
3119 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3121 2009-01-09 Nick Clifton <nickc@redhat.com>
3123 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3124 DECL_DECLARED_INLINE_P.
3126 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3129 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3130 GET_MODE (op0) in operand_subword_force calls.
3133 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3134 fold_convert arg0 operands to TREE_TYPE (op0) first.
3136 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3138 * params.def (ira-max-conflict-table-size): Decrease default value
3141 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3143 PR tree-optimization/37031
3144 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3146 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3147 allocate it using gc instead of heap, use VEC_quick_push instead of
3149 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3150 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3151 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3152 allocated vector from heap allocated.
3153 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3154 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3155 vector only after perfect_loop_nest_depth call.
3157 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3158 Jan Sjodin <jan.sjodin@amd.com>
3160 PR tree-optimization/38559
3161 * graphite.c (debug_value, copy_constraint,
3162 swap_constraint_variables, scale_constraint_variable, ): New.
3163 (get_lower_bound, get_upper_bound): Removed.
3164 (graphite_trans_bb_strip_mine): Clean up this code that works
3165 only for constant number of iterations. Fully copy upper and
3166 lower bound constraints, not only the constant part of them.
3167 * graphite.h (debug_value): Declared.
3169 2009-01-08 Ira Rosen <irar@il.ibm.com>
3171 PR tree-optimization/37194
3172 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3173 Don't add the cost of cost model guard in prologue to scalar
3174 outside cost in case of known number of iterations.
3176 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3177 Alan Modra <amodra@bigpond.net.au>
3179 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3180 non-word-aligned REG+CONST addressing.
3182 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3185 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3186 free_after_compilation when outputting a thunk.
3187 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3188 Do not call free_after_compilation here.
3190 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3192 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3193 (ix86_valid_target_attribute_inner_p): Ditto.
3195 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3197 PR tree-optimization/38492
3198 PR tree-optimization/38498
3199 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3200 * tree-chrec.h (scev_is_linear_expression): Declared.
3201 * graphite.c (graphite_cannot_represent_loop_niter): New.
3202 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3203 (graphite_loop_normal_form): Use gcc_assert.
3204 (scan_tree_for_params): Use CASE_CONVERT.
3205 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3206 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3207 Use gcc_assert. Discard scops that contain unhandled cases.
3208 (build_scop_conditions): Return a boolean status for unhandled cases.
3209 (strip_mine_profitable_p): Print the loop number, not its depth.
3210 (is_interchange_valid): Pass the depth of the loop nest, don't
3211 recompute it wrongly.
3212 (graphite_trans_bb_block): Same.
3213 (graphite_trans_bb_block): Print tentative of loop blocking.
3214 (graphite_trans_scop_block): Do not print that the loop has been
3216 (graphite_transform_loops): Do not handle scops that contain condition
3219 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3221 AVX Programming Reference (December, 2008)
3222 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3223 (_mm256_stream_pd): Likewise.
3224 (_mm256_stream_ps): Likewise.
3226 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3227 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3228 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3229 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3230 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3231 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3232 (ix86_expand_special_args_builtin): Likewise.
3234 * config/i386/sse.md (AVXMODEDI): New.
3235 (avx_movnt<mode>): Likewise.
3236 (avx_movnt<mode>): Likewise.
3237 (<sse>_movnt<mode>): Remove AVX support.
3238 (sse2_movntv2di): Likewise.
3240 2009-01-07 Richard Guenther <rguenther@suse.de>
3243 * fold-const.c (extract_muldiv): Remove obsolete comment.
3244 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3245 to PLUS_EXPR canonicalization for the canonicalization.
3247 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3249 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3250 hosted cross-compilers generating less efficient code.
3252 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3254 * function.h (rtl_data): Add a dbr_scheduled_p field.
3255 * reorg.c (dbr_schedule): Set it.
3256 (gate_handle_delay_slots): Check it.
3257 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3258 (mips_reorg): Check flag_delayed_branch instead of
3259 mips_base_delayed_branch.
3260 (mips_override_options): Don't set mips_base_delayed_branch
3261 or flag_delayed_branch.
3263 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3265 PR rtl-optimization/38426.
3266 * ira.c (ira): Set current_function_is_leaf earlier.
3268 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3270 PR rtl-optimization/38722
3271 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3272 too early, only set a flag and modify after last possible
3275 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3278 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3279 * real.c (decimal_single_format): Correct values of emin and emax.
3280 (decimal_double_format): Ditto.
3281 (decimal_quad_format): Ditto.
3282 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3283 computation of DECnn_MIN and DECnn_MAX for corrected values of
3284 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3285 __DECnn_MIN__, and adjust its computation for the corrected value
3288 2009-01-06 Jan Hubicka <jh@suse.cz>
3291 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3293 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3295 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3296 Add Robert Clark to the list of testers.
3298 2009-01-06 Jan Hubicka <jh@suse.cz>
3299 Kai Tietz <kai.tietz@onevision.com>
3301 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3302 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3304 2009-01-06 Jan Hubicka <jh@suse.cz>
3305 Kai Tietz <kai.tietz@onevision.com>
3307 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3309 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3310 (ix86_nsaved_regs): Count only general purpose regs.
3311 (ix86_nsaved_sseregs): New.
3312 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3313 to 16 for w64; compute padding and size of sse reg save area.
3314 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3315 general purpose regs.
3316 (ix86_emit_save_sse_regs_using_mov): New.
3317 (ix86_expand_prologue): Save SSE regs if needed.
3318 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3319 (ix86_emit_restore_sse_regs_using_mov): New.
3320 (ix86_expand_epilogue): Save SSE regs if needed.
3322 2009-01-06 Jan Hubicka <jh@suse.cz>
3323 Kai Tietz <kai.tietz@onevision.com>
3325 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3326 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3327 functions when accumulate outgoing args is off.
3329 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3332 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3333 before using pseudos_have_intersected_live_ranges_p.
3335 * ira-int.h (ira_assert): Always define.
3337 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3339 AVX Programming Reference (December, 2008)
3340 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3341 (_mm256_permute2_pd): Likewise.
3342 (_mm_permute2_ps): Likewise.
3343 (_mm256_permute2_ps): Likewise.
3344 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3345 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3347 * config/i386/i386.c (ix86_builtins): Remove
3348 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3349 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3350 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3351 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3352 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3353 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3354 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3355 __builtin_ia32_vpermil2ps256.
3356 (ix86_init_mmx_sse_builtins): Updated.
3357 (ix86_expand_args_builtin): Likewise.
3359 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3361 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3362 long absolute calls when generating PA 2.0 code.
3364 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3366 PR rtl-optimization/38583
3367 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3369 * params.def (ira-max-conflict-table-size): New.
3371 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3373 * ira.h (ira_conflicts_p): New external definition.
3375 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3376 table. Report this. Return result of building.
3377 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3378 building conflict table.
3380 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3381 (ira_color): Use ira_conflicts_p.
3383 * global.c: Include ira.h.
3384 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3387 * Makefile.in (global.o): Add ira.h.
3389 * ira-build.c (mark_all_loops_for_removal,
3390 propagate_some_info_from_allocno): New.
3391 (remove_unnecessary_allocnos): Call
3392 propagate_some_info_from_allocno.
3393 (remove_low_level_allocnos): New.
3394 (remove_unnecessary_regions): Add parameter. Call
3395 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3396 parameter to remove_unnecessary_regions.
3397 (ira_build): Remove all regions but root if the conflict table was
3398 not built. Update conflict hard regs for allocnos crossing calls.
3400 * ira.c (ira_conflicts_p): New global.
3401 (ira): Define and use ira_conflicts_p.
3403 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3404 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3405 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3407 2009-01-06 Ben Elliston <bje@au.ibm.com>
3409 * gengtype-lex.l (YY_NO_INPUT): Define.
3411 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3414 * c-common.c (handle_vector_size_attribute): Also reject
3417 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3419 PR tree-optimization/38492
3420 * graphite.c (rename_map_elt, debug_rename_elt,
3421 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3422 rename_map_elt_info, eq_rename_map_elts,
3423 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3424 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3425 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3426 (sese_build_livein_liveouts): New.
3427 (new_sese, free_sese): New.
3428 (new_scop): Call new_sese.
3429 (free_scop): Call free_sese.
3430 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3431 (register_old_new_names): Renamed register_old_and_new_names.
3432 (register_scop_liveout_renames, add_loop_exit_phis,
3433 insert_loop_close_phis, struct igp,
3434 default_liveout_before_guard, add_guard_exit_phis,
3435 insert_guard_phis, copy_renames): New.
3436 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3437 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3438 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3439 (scop_adjust_phis_for_liveouts): New.
3440 (gloog): Call scop_adjust_phis_for_liveouts.
3442 * graphite.h (struct sese): Documented. Added fields liveout,
3444 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3445 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3446 (struct scop): Added field liveout_renames.
3447 (SCOP_LIVEOUT_RENAMES): New.
3449 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3451 PR tree-optimization/38510
3452 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3453 (translate_clast): Call recompute_all_dominators before
3455 (gloog): Call recompute_all_dominators before graphite_verify.
3457 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3458 Jan Sjodin <jan.sjodin@amd.com>
3460 PR tree-optimization/38500
3461 * graphite.c (create_sese_edges): Call fix_loop_structure after
3464 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3466 * config.gcc: Add m32r*-*-rtems*.
3467 * config/m32r/rtems.h: New file.
3469 2009-01-05 Ben Elliston <bje@au.ibm.com>
3471 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3472 (.po.pox): Likewise.
3473 (po/gcc.pot): Likewise.
3475 2009-01-04 David S. Miller <davem@davemloft.net>
3477 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3478 (STARTING_FRAME_OFFSET): Always set to zero.
3480 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3482 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3483 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3484 fixed-point types, and vectors of the same.
3486 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3488 * config/mips/sync.md (*mb_barrier): Rename to...
3489 (*memory_barrier): ...this.
3491 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3493 * doc/extend.texi (Function Attributes): Move @cindex after @item
3494 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3495 and put in alphabetical order. Fix 'target' name and put in order.
3496 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3499 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3501 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3502 (memory_barrier): Expand as unspec instead of unspec_volatile.
3503 Remove mem:BLK from insn operands. Use Pmode scratch register.
3504 (*memory_barrier): Define as unspec instead of unspec_volatile.
3505 Use (match_dup 0) as input operand.
3507 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3508 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3509 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3510 scratch register. Remove operand 1.
3511 (*stbar): Define as unspec instead of unspec_volatile.
3512 Use (match_dup 0) as input operand, remove (const_int 8).
3513 (*membar): Define as unspec instead of unspec_volatile.
3514 Use (match_dup 0) as input operand, remove input operand 2.
3516 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3517 (memory_barrier): Expand as unspec instead of unspec_volatile.
3518 Remove mem:BLK from insn operands. Use Pmode scratch register.
3519 (*memory_barrier): Define as unspec instead of unspec_volatile.
3520 Use (match_dup 0) as input operand.
3522 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3523 Remove mem:BLK from insn operands. Use Pmode scratch register.
3524 Set volatile flag on operand 0.
3525 (*memory_barrier): New insn pattern.
3527 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3529 (*memory_barrier): Use (match_dup 0) as input operand.
3531 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3532 Remove mem:BLK from insn operands. Use Pmode scratch register.
3533 Set volatile flag on operand 0.
3534 (*mb_internal): New insn pattern.
3536 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3538 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3541 * function.c (struct temp_slot): Move to the section of the file
3542 that deals with temp slots. Remove field 'address'.
3543 (temp_slot_address_table): New hash table of address -> temp slot.
3544 (struct temp_slot_address_entry): New struct, items for the table.
3545 (temp_slot_address_compute_hash, temp_slot_address_hash,
3546 temp_slot_address_eq, insert_temp_slot_address): Support functions
3548 (find_temp_slot_from_address): Rewrite to use the new hash table.
3549 (remove_unused_temp_slot_addresses): Remove addresses of temp
3550 slots that have been made available.
3551 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3552 worker function for remove_unused_temp_slot_addresses.
3553 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3554 Add the temp slot address to the address -> temp slot map.
3555 (update_temp_slot_address): Update via insert_temp_slot_address.
3556 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3557 (pop_temp_slots): Likewise.
3558 (init_temp_slots): Allocate the address -> temp slot map, or empty
3559 the map if it is already allocated.
3560 (prepare_function_start): Initialize temp slot processing.
3562 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3565 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3566 Calculate the size of all stack vars assuming no packing of stack
3567 vars will happen, replacing a quadratic algorithm with a linear one.
3569 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3572 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3575 2009-01-03 Diego Novillo <dnovillo@google.com>
3577 * doc/contrib.texi: Update contributions.
3579 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3582 * builtins.c (fold_builtin_memory_op): Give up if either operand
3583 is volatile. Set srctype or desttype to non-qualified version
3587 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3590 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3592 PR rtl-optimization/35805
3593 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3594 problem if fast dce is able to remove any instructions.
3595 * dce.c (dce_process_block): Fix dump message.
3597 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3600 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3602 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3605 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3606 * tree-pretty-print.c (op_code_prio): New function.
3607 (op_prio): No longer static. Use op_code_prio.
3608 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3609 Use op_prio and op_code_prio to determine if () should be
3610 printed around operand(s) or not.
3612 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3613 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3614 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3615 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3616 pp_character instead of pp_string for single letter printing.
3618 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3620 * doc/extend.texi: Fix '#pragma GCC option' typo.
3622 2009-01-02 Richard Guenther <rguenther@suse.de>
3624 * doc/install.texi (--enable-checking): Mention different
3626 (--enable-stage1-checking): Document.
3628 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3631 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3632 case to be an error.
3634 2009-01-02 Ben Elliston <bje@au.ibm.com>
3636 * config/fp-bit.h (pack_d): Constify argument.
3637 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3638 (isnan): Constify argument.
3642 (_fpadd_parts): Constify return type.
3643 (_fpmul_parts): Likewise.
3644 (_fpdiv_parts): Likewise.
3646 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3649 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3650 warn about overwriting initializer with side-effects or
3651 -Woverride-init if !IMPLICIT.
3652 (output_init_element): Likewise. Pass IMPLICIT down to
3654 (process_init_element): Add IMPLICIT argument. Pass it down
3655 to output_init_element.
3656 (push_init_element, pop_init_level, set_designator): Adjust
3657 process_init_element callers.
3658 (set_nonincremental_init, set_nonincremental_init_from_string):
3659 Adjust add_pending_init callers.
3660 (output_pending_init_elements): Adjust output_init_element callers.
3661 * c-tree.h (process_init_element): Adjust prototype.
3662 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3663 process_init_element callers.