| blob | 3b91d915a9f7aec597cba4f56da072f11560b02e |
1 2009-03-27 Xinliang David Li <davidxl@google.com>
3 PR tree-optimization/39548
4 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
5 candidate check.
7 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
9 * c-common.c (pointer_int_sum): Use %wd on return from
10 tree_low_cst.
12 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
14 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
15 on return from tree_low_cst.
17 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
19 PR c++/36799
20 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
22 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
24 PR c++/35652
25 * builtins.h (c_strlen): Do not warn here.
26 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
27 * c-common.c (pointer_int_sum): Take an explicit location.
28 Warn about offsets out of bounds.
29 * c-common.h (pointer_int_sum): Adjust declaration.
31 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
33 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
34 markup glitch.
36 2009-03-26 Jakub Jelinek <jakub@redhat.com>
38 PR c++/39554
39 * opts.c (warn_if_disallowed_function_p): Don't assume
40 get_callee_fndecl must return non-NULL.
42 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
44 PR rtl-optimization/39522
45 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
46 when reg_reloaded_valid is set.
48 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
50 * config/spu/divv2df3.c: New file.
51 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
52 (DPBIT_FUNCS): Filter out _div_df.
54 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
56 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
57 a jump insn, count that jump in the distance to the loop start.
59 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
61 PR target/39523
62 * config/sh/sh.c (calc_live_regs): Fix condition for global
63 registers except PIC_OFFSET_TABLE_REGNUM.
65 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
67 PR/39518
68 * doc/invoke.texi (-mconsole): New.
69 (-mcygwin): New.
70 (-mno-cygwin): New.
71 (-mdll): New.
72 (-mnop-fun-dllimport): New.
73 (-mthread): New.
74 (-mwin32): New.
75 (-mwindows): New.
76 (sub section "i386 and x86-64 Windows Options"): New.
78 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
80 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
81 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
83 2009-03-25 Richard Guenther <rguenther@suse.de>
85 PR middle-end/39497
86 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
87 of -Wno-error.
89 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
91 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
92 neither of haifa/selective schedulers are working.
94 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
96 * doc/invoke.texi (Debugging Options): Fix description of
97 -fno-merge-debug-strings.
99 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
101 * config/cris/libgcc.ver: New version-script.
102 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
104 * configure.ac <GAS features, nop mnemonic>: Add pattern
105 crisv32-*-* for "nop".
106 <GAS features, Thread-local storage>: Add item for CRIS and
107 CRIS v32.
108 * configure: Regenerate.
110 2009-03-24 Ira Rosen <irar@il.ibm.com>
112 PR tree-optimization/39529
113 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
114 mark_sym_for_renaming for the tag copied to the new vector
115 pointer.
117 2009-03-24 Arthur Loiret <aloiret@debian.org>
119 * config.host (alpha*-*-linux*): Use driver-alpha.o and
120 alpha/x-alpha.
121 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
122 EXTRA_SPEC_FUNCTIONS.
123 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
124 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
125 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
126 -march and -mtune options.
128 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
130 * config/m68k/t-rtems: Add m5329 multilib.
132 2009-03-24 Dodji Seketeli <dodji@redhat.com>
133 Jakub Jelinek <jakub@redhat.com>
135 PR debug/39524
136 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
137 nodes.
139 2009-03-23 Jakub Jelinek <jakub@redhat.com>
141 PR c/39495
142 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
143 instead of c_parser_expression_conv, if original_code isn't one of the
144 4 allowed comparison codes, fail.
146 2009-03-23 Richard Guenther <rguenther@suse.de>
148 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
149 * tree.h (struct tree_type): Likewise.
150 * reload.h (struct insn_chain): Likewise.
151 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
152 * function.h (struct function): Likewise.
153 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
155 2009-03-23 Jakub Jelinek <jakub@redhat.com>
157 PR tree-optimization/39516
158 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
160 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
162 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
163 should be set true if BITS_PER_WORD of target is bigger than 32
165 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
167 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
168 Translate -B-options to -rpath-link. Correct existing
169 rpath-link and conditionalize on !nostdlib.
171 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
173 * doc/extend.texi (Function Attributes, Variable Attributes):
174 Fix typos.
175 * doc/invoke.texi (Debugging Options, Optimize Options)
176 (i386 and x86-64 Options, MCore Options): Likewise.
178 2009-03-20 Jakub Jelinek <jakub@redhat.com>
180 PR debug/37890
181 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
182 it for block local namespace aliases.
183 (gen_decl_die): Pass context_die to gen_namespace_die.
185 2009-03-19 Jakub Jelinek <jakub@redhat.com>
187 PR c/39495
188 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
189 minimum or maximum value.
191 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
193 * reginfo.c (globalize_reg): Recompute derived reg sets.
195 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
197 PR target/39063
198 * libgcc2.c (mprotect): Do not use signed arguments for
199 VirtualProtect, use DWORD arguments. Also fix the 'may
200 be used uninitialized' warning for the np variable.
202 2009-03-19 Jakub Jelinek <jakub@redhat.com>
204 PR target/39496
205 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
206 functions using regparm calling conventions when not optimizing.
207 (ix86_function_sseregparm): Similarly for sseregparm calling
208 conventions.
210 2009-03-19 Li Feng <nemokingdom@gmail.com>
212 PR middle-end/39500
213 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
214 dependence if the first conflict is after niter iterations.
216 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
218 PR middle-end/38609
219 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
220 functions with dynamic stack-pointer adjustments.
222 2009-03-19 Ben Elliston <bje@au.ibm.com>
224 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
225 option; change to -msdata=data.
227 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
229 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
230 and -fopenmp.
232 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
234 PR target/35180
235 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
237 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
239 * doc/invoke.texi (Code Gen Options): Expand discussion of
240 -fno-common.
242 2009-03-18 Jakub Jelinek <jakub@redhat.com>
244 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
245 * matrix-reorg.c (struct matrix_info): Likewise.
246 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
247 * rtl.h (struct mem_attrs): Likewise.
248 * df.h (struct df): Likewise.
249 * tree-data-ref.h (struct data_dependence_relation): Likewise.
250 * ira-int.h (struct ira_allocno): Likewise.
251 * df-scan.c (struct df_collection_rec): Likewise.
252 * ira.c (struct equivalence): Likewise.
253 * function.c (struct temp_slot): Likewise.
254 * cfgloop.h (struct loop): Likewise.
256 PR debug/39485
257 * function.c (use_register_for_decl): When not optimizing, disregard
258 register keyword for variables with types containing methods.
260 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
262 PR middle-end/39447
263 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
264 (is_simple_operand): Call contains_component_ref_p before calling data
265 reference analysis that would fail on COMPONENT_REFs.
267 * tree-vrp.c (search_for_addr_array): Fix formatting.
269 2009-03-18 Richard Guenther <rguenther@suse.de>
271 * tree-vect-transform.c (vect_loop_versioning): Fold the
272 generated comparisons.
273 * tree-vectorizer.c (set_prologue_iterations): Likewise.
274 (slpeel_tree_peel_loop_to_edge): Likewise.
276 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
278 PR middle-end/37805
279 * opts.c (print_specific_help): In addition to `undocumented',
280 accept `separate' and `joined' flags if passed alone. Describe
281 output by the first matched one of those.
282 (common_handle_option): Skip over empty strings.
283 * gcc.c (display_help): Fix help string for `--help='.
284 * doc/invoke.texi (Option Summary, Overall Options): With
285 `--help=', classes and qualifiers can both be repeated, but
286 only the latter can be negated. One should not pass only
287 negated qualifiers. Fix markup and examples.
289 Revert
290 2008-10-14 Jakub Jelinek <jakub@redhat.com>
291 PR middle-end/37805
292 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
293 and -fhelp=separate.
295 2009-03-17 Jing Yu <jingyu@google.com>
297 PR middle-end/39378
298 * function.h (struct rtl_data): Move is_thunk from here...
299 (struct function): ...to here.
300 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
301 * varasm.c (assemble_start_function): Change is_thunk from crtl to
302 cfun.
303 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
304 cfun.
305 (alpha_does_function_need_gp, alpha_start_function): Likewise.
306 (alpha_output_function_end_prologue): Likewise.
307 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
308 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
309 (rs6000_output_function_epilogue): Likewise.
310 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
312 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
314 PR target/39482
315 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
316 from different units in a single alternative.
317 (*truncdfsf_i387): Ditto.
318 (*truncxfsf2_mixed): Ditto.
319 (*truncxfdf2_mixed): Ditto.
321 2009-03-17 Jakub Jelinek <jakub@redhat.com>
323 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
324 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
326 PR debug/39474
327 * tree-ssa-live.c (remove_unused_locals): Don't remove local
328 unused non-artificial variables when not optimizing.
330 PR debug/39471
331 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
332 DW_TAG_imported_module even if decl is IMPORTED_DECL with
333 NAMESPACE_DECL in its DECL_INITIAL.
335 PR middle-end/39443
336 * optabs.c (set_user_assembler_libfunc): New function.
337 * expr.h (set_user_assembler_libfunc): New prototype.
338 * c-common.c: Include libfuncs.h.
339 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
340 for memcmp, memset, memcpy, memmove and abort.
341 * Makefile.in (c-common.o): Depend on libfuncs.h.
343 PR debug/39412
344 * dwarf2out.c (gen_inlined_enumeration_type_die,
345 gen_inlined_structure_type_die, gen_inlined_union_type_die,
346 gen_tagged_type_instantiation_die): Removed.
347 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
348 do nothing.
350 2009-03-17 Janis Johnson <janis187@us.ibm.com>
352 PR testsuite/38526
353 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
354 its use.
355 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
356 (check-parallel-%): Ditto.
357 (check-consistency): Ditto.
359 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
361 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
362 local variable rhs by NULL_TREE.
364 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
366 PR target/39477
367 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
369 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
371 PR target/39476
372 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
374 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
376 PR target/39473
377 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
378 for ms->sysv ABI calls only in 64bit mode.
380 * config/i386/i386.md (untyped_call): Support 32bit.
382 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
384 * doc/extend.texi: Replace x86_65 with x86_64.
386 2009-03-16 Jakub Jelinek <jakub@redhat.com>
388 PR tree-optimization/39455
389 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
390 mismatches for POINTER_TYPE_P (type).
391 (number_of_iterations_le): Likewise.
393 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
395 * config/picochip/picochip.c: Removed profiling support.
396 * config/picochip/picochip.md: Removed profiling instruction.
397 * config/picochip/picochip.h: Removed profiling builtin.
399 2009-03-16 Joseph Myers <joseph@codesourcery.com>
401 * doc/install.texi (--with-host-libstdcxx): Document.
403 2009-03-14 Anatoly Sokolov <aesok@post.ru>
405 PR target/34299
406 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
407 generate a warning if the function name does not begin with
408 "__vector" and the function has either the 'signal' or 'interrupt'
409 attribute, from here to ...
410 (avr_declare_function_name): ...here. New function.
411 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
412 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
414 2009-03-14 Jakub Jelinek <jakub@redhat.com>
416 PR bootstrap/39454
417 * cse.c (fold_rtx): Don't modify original const_arg1 when
418 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
419 separate variable instead.
420 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
421 from out of range shift counts.
422 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
424 2008-03-13 Catherine Moore <clm@codesourcery.com>
426 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
427 diagnostic.h with $(DIAGNOSTIC_H).
429 2008-03-12 Jakub Jelinek <jakub@redhat.com>
431 PR target/39431
432 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
433 predicate.
434 * config/i386/sync.md (sync_compare_and_swap<mode>,
435 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
436 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
437 into a register.
438 (sync_double_compare_and_swapdi_pic,
439 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
440 cmpxchg8b_pic_memory_operand instead of just memory_operand.
442 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
444 PR target/39445
445 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
447 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
449 PR target/39327
450 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
451 (avx_addsubv4df3): Likewise.
452 (*avx_addsubv4sf3): Likewise.
453 (sse3_addsubv4sf3): Likewise.
455 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
457 PR target/38824
458 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
460 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
462 PR debug/39432
463 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
464 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
465 registers for allocnos created from user-defined variables.
467 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
469 PR target/39181
470 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
471 of non-integer mode as well.
473 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
475 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
476 for functions for which the parameter types are unknown.
478 2009-03-11 Jakub Jelinek <jakub@redhat.com>
480 PR target/39137
481 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
482 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
483 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
484 * config/i386/i386.c (ix86_local_alignment): For
485 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
486 long long variables on the stack to avoid dynamic realignment.
487 Allow the first argument to be a decl rather than type.
488 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
490 2009-03-11 Nick Clifton <nickc@redhat.com>
492 PR target/5362
493 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
494 options.
495 Add description to mno-lsim option.
496 * config/mcore/mcore.h: Remove comment about deprecated m4align
497 option.
498 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
499 * doc/invoke.texi: Add description of mno-lsim and
500 mstack-increment options.
502 * config/fr30/fr30.opt: Document the -mno-lsim option.
503 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
504 and -mno-lsim options.
506 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
508 * fold-const.c (fold_comparison): Only call fold_inf_compare
509 if the mode supports infinities.
511 2009-03-11 Jason Merrill <jason@redhat.com>
513 PR debug/39086
514 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
515 end already did. Notice GIMPLE_CALL modifications of the result.
516 Don't copy debug information from an ignored decl or a decl from
517 another function.
519 2009-03-10 Richard Guenther <rguenther@suse.de>
520 Nathan Froyd <froydnj@codesourcery.com>
522 PR middle-end/37850
523 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
524 (__divMODE3): Likewise.
526 2009-03-09 Jakub Jelinek <jakub@redhat.com>
528 PR tree-optimization/39394
529 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
530 DECL_SIZE_UNIT of variable length FIELD_DECLs.
532 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
534 * recog.c (verfiy_changes): Disallow renaming of hard regs in
535 inline asms for register asm ("") declarations.
537 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
539 * fold-const.c (fold_unary): Fix comment.
541 2009-03-07 Jan Hubicka <jh@suse.cz>
543 PR target/39361
544 * tree-inline.c (setup_one_parameter): Do replacement of const
545 argument by constant in SSA form.
547 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
549 PR middle-end/38028
550 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
551 determine alignment passed to assign_stack_local.
552 (assign_parms_unsplit_complex): Likewise.
553 * except.c (sjlj_build_landing_pads): Likewise.
555 2009-03-06 Jakub Jelinek <jakub@redhat.com>
557 PR middle-end/39360
558 * tree-flow.h (add_referenced_var): Return bool instead of void.
559 * tree-dfa.c (add_referenced_var): Return result of
560 referenced_var_check_and_insert call.
561 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
562 of referenced_var_check_and_insert.
564 PR debug/39372
565 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
566 (gen_variable_die): Emit DW_AT_location on abstract static variable's
567 DIE, don't emit it if abstract origin already has it.
568 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
569 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
571 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
573 * genpreds.c: (needs_variable): Fix parentheses at variable name
574 detection.
575 (write_tm_constrs_h): Indent generated code.
577 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
579 * doc/extend.texi (Function Attributes): Add documentation
580 for isr attributes.
582 2009-03-06 Jakub Jelinek <jakub@redhat.com>
584 PR debug/39387
585 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
586 take locus from its DECL_SOURCE_LOCATION instead of input_location.
588 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
590 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
591 the loop as bad.
593 2009-03-05 Jakub Jelinek <jakub@redhat.com>
595 PR debug/39379
596 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
597 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
599 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
601 * config/i386/i386.md (R8_REG, R9_REG): New constants.
602 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
603 constants instead of magic numbers.
604 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
605 (QI_REG_P): Ditto.
606 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
607 (x86_64_ms_abi_int_parameter_registers): Ditto.
608 (x86_64_int_return_registers): Ditto.
609 (ix86_maybe_switch_abi): Ditto.
610 (ix86_expand_call): Ditto for clobbered_registers array.
611 (ix86_hard_regno_mode_ok): Ditto.
612 (x86_extended_QIreg_mentioned_p): Ditto.
614 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
616 PR tree-optimization/39349
617 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
619 * combine.c (gen_lowpart_for_combine): Use omode when generating
620 clobber.
622 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
624 PR rtl-optimization/39235
625 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
627 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
629 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
631 2009-03-04 Richard Guenther <rguenther@suse.de>
633 PR tree-optimization/39362
634 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
635 that occur in abnormal PHIs should be varying.
637 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
639 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
640 Extend comments.
641 (simple_iv): Take loop as an argument instead of statement.
642 * tree-scalar-evolution.h (simple_iv): Declaration changed.
643 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
644 to simple_iv.
645 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
646 Ditto.
647 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
648 * matrix-reorg.c (analyze_transpose): Ditto.
649 * tree-data-ref.c (dr_analyze_innermost): Ditto.
650 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
651 * tree-predcom.c (ref_at_iteration): Ditto.
652 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
654 2009-03-04 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/39358
657 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
658 escaped_id and callused_id.
659 (solve_graph): Likewise.
661 2009-03-04 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/39339
664 * tree-sra.c (try_instantiate_multiple_fields): Make it
665 no longer ICE on the above.
667 2009-03-03 Joseph Myers <joseph@codesourcery.com>
669 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
670 that fits within Pmode.
672 2009-03-03 Steve Ellcey <sje@cup.hp.com>
674 PR middle-end/10109
675 * tm.texi (LIBCALL_VALUE): Update description.
677 2009-03-03 Steve Ellcey <sje@cup.hp.com>
679 PR middle-end/34443
680 * doc/extend.texi (section): Update description.
682 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
684 PR middle-end/39345
685 * tree-inline.c (remapped_type): New.
686 (can_be_nonlocal): Call remapped_type instead of remap_type.
688 2009-03-03 Jakub Jelinek <jakub@redhat.com>
690 PR fortran/39354
691 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
692 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
694 2009-03-03 Richard Guenther <rguenther@suse.de>
696 PR middle-end/39272
697 * tree.c (tree_nonartificial_location): New function.
698 * tree.h (tree_nonartificial_location): Declare.
699 * builtins.c (expand_builtin_memory_chk): Provide location
700 of the call location for artificial function pieces.
701 (maybe_emit_chk_warning): Likewise.
702 (maybe_emit_sprintf_chk_warning): Likewise.
703 (maybe_emit_free_warning): Likewise.
704 * expr.c (expand_expr_real_1): Likewise.
706 2009-03-03 Jakub Jelinek <jakub@redhat.com>
708 PR tree-optimization/39343
709 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
710 COMPONENT_REF t has ARRAY_TYPE.
712 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
714 PR middle-end/39335
715 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
716 when the type precision of the induction variable should be
717 larger than the type precision of nit.
718 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
719 * graphite.c (graphite_loop_normal_form): Same.
720 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
722 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
724 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
725 (*call_1_rex64_ms_sysv): Use named constants instead of magic
726 numbers to describe clobbered registers.
727 (*call_value_0_rex64_ms_sysv): Ditto.
728 * config/i386/mmx.md (mmx_emms): Ditto.
729 (mmx_femms): Ditto.
731 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
733 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
734 of ABI_64.
736 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
738 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
739 (spu_section_type_flags): New function.
741 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
743 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
744 reg_class_contents of FLOAT_REGS into a temporary.
746 2009-03-02 Richard Guenther <rguenther@suse.de>
747 Ira Rosen <irar@il.ibm.com>
749 PR tree-optimization/39318
750 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
751 information to the vectorized statement.
753 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
755 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
756 variable. Use defined names instead of magic constants for REX SSE
757 registers.
759 2009-03-01 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/39331
762 * omp-low.c (lower_send_shared_vars): Do not receive new
763 values for the reference of DECL_BY_REFERENCE parms or results.
765 2009-03-01 Jan Hubicka <jh@suse.cz>
767 PR debug/39267
768 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
769 BLOCK_NONLOCALIZED_VAR): New macros.
770 (tree_block): Add nonlocalized_vars.
771 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
772 gen_decl_die): Add origin argument. Allow generation of die with
773 origin at hand only.
774 (gen_member_die, gen_type_die_with_usage, force_decl_die,
775 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
776 of gen_*.
777 (gen_block_die): Fix checking for unused blocks.
778 (process_scope_var): Break out from .... ; work with origins only.
779 (decls_for_scope) ... here; process nonlocalized list.
780 (dwarf2out_ignore_block): Look for nonlocalized vars.
781 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
782 vars.
783 (dump_scope_block): Dump them.
784 * tree-inline.c (remap_decls): Handle nonlocalized vars.
785 (remap_block): Likewise.
786 (can_be_nonlocal): New predicate.
787 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
789 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
791 * configure: Regenerate.
793 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
795 * optc-gen.awk: No need to duplicate option flags twice.
796 Reuse help texts for duplicate options which do not have any.
798 * gcc.c (display_help): Document --version.
800 * gcc.c (main): If print_help_list and verbose_flag, ensure
801 driver output comes before subprocess output.
803 * optc-gen.awk: Assign all remaining fields to help string,
804 space-separated, for multi-line help in *.opt.
806 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
807 -Wno-pedantic-ms-format is for MinGW targets only.
809 * doc/options.texi (Option file format): Fix bad indentation,
810 restoring dropped sentence.
812 2009-02-28 Jan Hubicka <jh@suse.cz>
814 * tree-inline.c (tree_function_versioning): Output debug info.
816 2009-02-28 Jan Hubicka <jh@suse.cz>
818 PR debug/39267
819 * tree-inline.c (setup_one_parameter): Do not copy propagate
820 arguments when not optimizing.
822 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
824 PR target/39327
825 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
826 (avx_addsubv4df3): Likewise.
827 (*avx_addsubv4sf3): Likewise.
828 (sse3_addsubv4sf3): Likewise.
829 (*avx_addsubv2df3): Likewise.
830 (sse3_addsubv2df3): Likewise.
831 (avx_unpckhps256): Correct item selectors.
832 (avx_unpcklps256): Likewise.
833 (avx_unpckhpd256): Likewise.
834 (avx_unpcklpd256): Likewise.
836 2009-02-28 Jan Hubicka <jh@suse.cz>
838 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
839 static vars.
840 (copy_arguments_for_versioning): If var is declared don't declare it.
841 (tree_function_versioning): First setup substitutions and then copy
842 args.
844 2009-02-27 Jan Hubicka <jh@suse.cz>
846 PR debug/39267
847 * cgraph.h (varpool_output_debug_info): Remove.
848 * cgraphunit.c (varpool_output_debug_info): Remove.
849 * dwarf2out.c (deferred_locations_struct): New struct
850 (deferred_locations): New type.
851 (deferred_locations_list): New static var.
852 (deffer_location): New function.
853 (gen_variable_die): Use it.
854 (decls_for_scope): Output info on local static vars.
855 (dwarf2out_finish): Process deferred locations.
856 * varpool.c (varpool_output_debug_info): Remove.
858 2009-02-27 Jan Hubicka <jh@suse.cz>
860 PR debug/39267
861 * tree.h (TREE_PROTECTED): Fix comment.
862 (BLOCK_HANDLER_BLOCK): Remove.
863 (struct tree_block): Remove handler_block add body_block.
864 (inlined_function_outer_scope_p): New.
865 (is_body_block): Remove.
866 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
867 * dwarf2out.c (is_inlined_entry_point): Remove.
868 (add_high_low_attributes): Use inlined_function_outer_scope_p.
869 (gen_block_die): Use is_inlined_entry_point check. Remove body block
870 code.
871 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
872 * gimplify.c (gimplify_expr): Gimplify body blocks.
873 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
874 block with multiple subblocks.
875 (dump_scope_block): Prettier output; dump more flags and info.
876 (dump_scope_blocks): New.
877 (remove_unused_locals): Use dump_scope_blocks.
878 * tree-flow.h (dump_scope_blocks): Declare.
879 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
880 * stmt.c (is_body_block): Remove.
881 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
882 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
884 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
886 PR middle-end/39308
887 * graphite.c (graphite_loop_normal_form): Do not call
888 number_of_iterations_exit from a gcc_assert.
890 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
892 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
893 jumps if COND is NULL.
894 (find_cond_jump): New function.
895 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
896 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
898 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
900 * config/alpha/alpha.h (alpha_expand_mov): Return false if
901 force_const_mem returns NULL_RTX.
903 2009-02-26 Jan Hubicka <jh@suse.cz>
905 PR debug/39267
906 * cgraph.h (varpool_output_debug_info): Remove.
907 * cgraphunit.c (varpool_output_debug_info): Remove.
908 * dwarf2out.c (deferred_locations_struct): New struct
909 (deferred_locations): New type.
910 (deferred_locations_list): New static var.
911 (deffer_location): New function.
912 (gen_variable_die): Use it.
913 (decls_for_scope): Output info on local static vars.
914 (dwarf2out_finish): Process deferred locations.
915 * varpool.c (varpool_output_debug_info): Remove.
917 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
919 PR rtl-optimization/39241
920 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
921 to subreg_offset_representable_p.
923 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
925 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
926 execute function prototype. Get f and nregs from max_reg_num
927 and get_insns. Remove the first backward pass as it's dead,
928 guard the forward pass by flag_expensive_optimizations.
929 (rest_of_handle_regmove): Delete.
930 (pass_regmove): Replace it with regmove_optimize.
932 2009-02-25 Martin Jambor <mjambor@suse.cz>
934 PR tree-optimization/39259
935 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
936 calls_alloca function flags.
937 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
938 calls are detected.
940 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
942 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
943 flags_set_1_rtx, flags_set_1_set): Delete.
944 (regmove_optimize): Do not call mark_flags_life_zones.
946 2009-02-24 Julian Brown <julian@codesourcery.com>
948 PR target/35965
949 * config/arm/arm.c (require_pic_register): Only set
950 cfun->machine->pic_reg once per function.
952 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
954 * doc/invoke.texi (Link Options): Document an easier way to pass
955 options that take arguments to the GNU linker using -Xlinker and -Wl.
957 2009-02-24 Steve Ellcey <sje@cup.hp.com>
959 PR target/33785
960 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
962 2009-02-24 Richard Guenther <rguenther@suse.de>
964 PR debug/39285
965 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
967 2009-02-24 Richard Guenther <rguenther@suse.de>
968 Zdenek Dvorak <ook@ucw.cz>
970 PR tree-optimization/39233
971 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
972 from converting them to a generic type.
974 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
976 PR tree-optimization/39260
977 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
978 contains a condition with a real type.
979 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
981 2009-02-23 Jason Merrill <jason@redhat.com>
983 PR c++/38880
984 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
985 narrowing_initializer_constant_valid_p.
986 (narrowing_initializer_constant_valid_p): Don't return
987 null_pointer_node for adding a pointer to itself.
989 2009-02-23 Jan Hubicka <jh@suse.cz>
991 PR c/12245
992 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
993 resizing.
995 2009-02-23 Jan Hubicka <jh@suse.cz>
997 PR tree-optimization/37709
998 * tree.c (block_ultimate_origin): Move here from dwarf2out.
999 * tree.h (block_ultimate_origin): Declare.
1000 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1001 * tree-ssa-live.c (remove_unused_scope_block_p):
1002 Eliminate blocks containig no instructions nor live variables nor
1003 nested blocks.
1004 (dump_scope_block): New function.
1005 (remove_unused_locals): Enable removal of dead blocks by default;
1006 enable dumping at TDF_DETAILS.
1008 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1010 * config/i386/i386.c (classify_argument): Don't allow COImode
1011 and OImode.
1012 (function_arg_advance_32): Don't allow OImode.
1013 (function_arg_32): Likewise.
1014 (function_value_32): Likewise.
1015 (return_in_memory_32): Likewise.
1016 (function_arg_64): Remove OImode comment.
1018 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1020 PR target/39261
1021 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1022 ix86_expand_vector_set for V4DImode in 64bit mode only.
1023 (ix86_expand_vector_init_one_var): Likewise.
1025 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1027 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1029 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1031 PR bootstrap/39257
1032 * loop-iv.c: Revert last change.
1033 * emit-rtl.c: Likewise.
1035 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1037 PR target/39256
1038 * config/i386/i386.c (type_natural_mode): Remove an extra
1039 space in the warning message.
1040 (function_value_32): Handle 32-byte vector modes.
1041 (return_in_memory_32): Likewise.
1043 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1045 * loop-iv.c (truncate_value): New function.
1046 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1047 of lowpart_subreg.
1048 (lowpart_subreg): Move to...
1049 * emit-rtl.c: ...here.
1051 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1053 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1054 accidental and undocumented change at revision 140860.
1056 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1058 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1059 take gimple_seq * arguments.
1060 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1061 types_compatible_p langhook.
1063 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1064 Joseph Myers <joseph@codesourcery.com>
1066 * config/arm/arm.c (arm_builtin_va_list): New function.
1067 (arm_expand_builtin_va_start): Likewise.
1068 (arm_gimplify_va_arg_expr): Likewise.
1069 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1070 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1071 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1072 (va_list_type): New variable.
1073 (arm_mangle_type): Mangle va_list_type appropriately.
1075 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1077 PR middle-end/39157
1078 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1079 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1080 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1081 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1082 parameter to 1000 for -O1 by default.
1083 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1084 parameter.
1085 * loop-invariant.c: Include params.h.
1086 (move_loop_invariants): Don't call move_single_loop_invariants on
1087 very large loops.
1089 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1091 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1092 offset when calculating bounds for indexing stack_usage_map. Fixes
1093 a buffer overflow with certain target setups.
1095 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1097 PR target/39240
1098 * calls.c (expand_call): Clear try_tail_call if caller and callee
1099 disagree in promotion of function return value.
1101 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1103 PR target/39175
1104 * c-common.c (c_determine_visibility): If visibility changed and
1105 DECL_RTL has been already set, call make_decl_rtl to update symbol
1106 flags.
1108 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1110 PR c++/39188
1111 * varasm.c (assemble_variable): Don't check DECL_NAME when
1112 globalizing a variable.
1114 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1116 PR c/38483
1117 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1118 expression before any __builtin_trap call.
1119 * c-typeck.c (build_function_call): Convert and check function
1120 arguments before generating a call to a trap. Evaluate the
1121 function arguments before the trap.
1123 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1125 PR target/39228
1126 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1127 (UNSPEC_FXAM_MEM): New unspec.
1128 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1129 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1130 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1132 2009-02-19 Richard Guenther <rguenther@suse.de>
1134 PR tree-optimization/39207
1135 PR tree-optimization/39074
1136 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1137 storedanything_tree): New.
1138 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1139 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1140 (build_succ_graph): Add edges from STOREDANYTHING to all
1141 non-direct nodes.
1142 (init_base_vars): Initialize STOREDANYTHING.
1143 (compute_points_to_sets): Free substitution info after
1144 building the succ graph.
1145 (ipa_pta_execute): Likewise.
1147 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1148 field.
1149 (do_ds_constraint): Do not add to special var or non-pointer
1150 field solutions.
1151 (type_could_have_pointers): Split out from ...
1152 (could_have_pointers): ... here. For arrays use the element type.
1153 (create_variable_info_for): Initialize may_have_pointers.
1154 (new_var_info): Likewise.
1155 (handle_lhs_call): Make the HEAP variable unknown-sized.
1156 (intra_create_variable_infos): Use a type with pointers for
1157 PARM_NOALIAS, make it unknown-sized.
1159 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1161 PR target/39224
1162 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1164 2009-02-18 Jason Merrill <jason@redhat.com>
1166 PR target/39179
1167 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1168 value if DECL_EXTERNAL.
1169 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1170 * target.h (gcc_target::binds_local_p): Clarify "module".
1171 * tree.h (TREE_PUBLIC): Clarify "module".
1173 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1175 PR target/38891
1176 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1177 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1179 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1181 PR target/39082
1182 * c.opt (Wabi): Support C and ObjC.
1183 (Wpsabi): New.
1185 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1187 * config/i386/i386.c (classify_argument): Warn once about the ABI
1188 change when passing union with long double.
1190 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1192 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1194 PR c/35447
1195 * c-parser.c (c_parser_compound_statement): Always enter and leave
1196 a scope.
1198 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1200 PR target/34587
1201 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1203 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1205 PR tree-optimization/36922
1206 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1207 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1208 Likewise.
1210 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1212 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1213 to 0 for EABI64.
1215 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1217 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1219 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1221 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1222 tree sharing.
1224 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1225 Richard Sandiford <rdsandiford@googlemail.com>
1227 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1228 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1229 (loongson_biadd): ...this.
1231 2009-02-17 Richard Guenther <rguenther@suse.de>
1233 PR tree-optimization/39202
1234 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1235 a var make sure to follow existing collapses.
1237 2009-02-17 Richard Guenther <rguenther@suse.de>
1239 PR middle-end/39214
1240 * langhooks.c (lhd_print_error_function): Check for NULL block.
1242 2009-02-17 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/39204
1245 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1246 of the PHI arg.
1248 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1250 * config/soft-fp/double.h: Update from glibc CVS.
1252 2009-02-17 Richard Guenther <rguenther@suse.de>
1254 PR tree-optimization/39207
1255 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1256 strict-aliasing warnings for pointers pointing to NULL.
1258 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1260 PR c/35446
1261 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1262 skipping until next close brace.
1264 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1266 PR target/37049
1267 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1268 to function argument boundary.
1270 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1272 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1273 in the lea_add. Reload eventually constraints it properly.
1274 * config/picochip/constraints.md : Remove the target constraint
1275 "b", since it is not needed anymore.
1277 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1279 * gthr-dce.h: Uglify function parameter and local variable names.
1280 * gthr-gnat.h: Likewise.
1281 * gthr-mipssde.h: Likewise.
1282 * gthr-nks.h: Likewise.
1283 * gthr-posix95.h: Likewise.
1284 * gthr-posix.h: Likewise.
1285 * gthr-rtems.h: Likewise.
1286 * gthr-single.h: Likewise.
1287 * gthr-solaris.h: Likewise.
1288 * gthr-tpf.h: Likewise.
1289 * gthr-vxworks.h: Likewise.
1290 * gthr-win32.h: Likewise.
1292 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1294 PR target/39196
1295 * config/i386/i386.md: Restrict the new peephole2 to move
1296 between MMX/SSE registers.
1298 2009-02-15 Richard Guenther <rguenther@suse.de>
1300 Revert
1301 2009-02-13 Richard Guenther <rguenther@suse.de>
1303 * configure.ac: Enable LFS.
1304 * configure: Re-generate.
1305 * config.in: Likewise.
1307 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1309 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1310 spu_srqwbyte, spu_srqwbytebc): Define.
1311 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1312 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1313 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1314 "shrqby_<mode>"): New insn-and-split patterns.
1315 * config/spu/spu.c (expand_builtin_args): Determine and return
1316 number of operands using spu_builtin_description data.
1317 (spu_expand_builtin_1): Use it.
1319 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1321 PR target/38056
1322 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1323 TARGET_CONST_GP.
1325 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1327 PR target/39149
1328 * config/i386/i386.c (override_options): Correct warning
1329 messages for -malign-loops, -malign-jumps and -malign-functions.
1331 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1333 PR target/39152
1334 * config/i386/i386.md: Restrict the new peephole2 to move
1335 between the general purpose registers.
1337 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1339 PR target/39162
1340 * config/i386/i386.c (type_natural_mode): Add a new argument.
1341 Return the original mode and warn ABI change if vector size is 32byte.
1342 (function_arg_advance): Updated.
1343 (function_arg): Likewise.
1344 (ix86_function_value): Likewise.
1345 (ix86_return_in_memory): Likewise.
1346 (ix86_sol10_return_in_memory): Likewise.
1347 (ix86_gimplify_va_arg): Likewise.
1348 (function_arg_32): Don't warn ABX ABI change here.
1349 (function_arg_64): Likewise.
1351 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1353 * loop-iv.c (implies_p): In the final case, test that operands 0
1354 of the two comparisons match.
1356 * config/bfin/bfin.c (find_prev_insn_start): New function.
1357 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1358 (find_next_insn_start): Move.
1360 2009-02-13 Richard Guenther <rguenther@suse.de>
1362 * configure.ac: Enable LFS.
1363 * configure: Re-generate.
1364 * config.in: Likewise.
1366 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1368 PR c/35444
1369 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1370 sizes on syntax error after some arguments have been parsed.
1372 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1374 * doc/invoke.texi (-fira): Remove.
1376 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1378 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1379 * recog.c: Likewise.
1380 * rtl.h: Likewise.
1382 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1384 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1385 (umul_ppmm): Likewise.
1386 (count_leading_zeros): Likewise.
1387 (count_trailing_zeros): Likewise.
1388 (UMUL_TIME): Likewise.
1390 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1392 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1393 soft-fp/t-softfp to tmake_file.
1395 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1396 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1397 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1398 IA64_BUILTIN_INFQ]: New.
1399 (ia64_init_builtins): Initialize __builtin_infq,
1400 __builtin_fabsq and __builtin_copysignq if not HPUX.
1401 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1402 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1404 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1405 SHARED is defined.
1406 (__fixtfti): Likewise.
1407 (__fixunstfti): Likewise.
1408 (__floattitf): Likewise.
1410 * config/ia64/libgcc-glibc.ver: New.
1411 * config/ia64/t-fprules-softfp: Likewise.
1412 * config/ia64/sfp-machine.h: Likewise.
1414 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1415 (LIBGCC2_TF_CEXT): Likewise.
1416 (TF_SIZE): Likewise.
1417 (TARGET_INIT_LIBFUNCS): Likewise.
1419 * config/ia64/t-glibc (SHLINB_MAPFILES):
1420 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1422 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1424 * config/i386/i386.c (construct_container): Rewrite processing
1425 BLKmode with X86_64_SSE_CLASS.
1427 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1429 PR target/39152
1430 * config/i386/i386.md: Replace simplify_replace_rtx with
1431 replace_rtx in the new peephole2.
1433 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1435 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1436 loop unrolling do not happen at -O2.
1438 2009-02-12 Michael Matz <matz@suse.de>
1440 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1442 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1444 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1445 for -g3.
1447 2009-02-12 Ben Elliston <bje@au.ibm.com>
1449 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1450 patterns when updating the back chain. Missed in the 2009-02-10
1451 change.
1453 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1455 * doc/extend.texi (Decimal Floating Types): Update identifier of
1456 draft TR and list of missing support.
1458 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1460 PR middle-end/39154
1461 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1462 bit to variable length decl's flags, add it also to its
1463 pointer replacement variable.
1465 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1466 Jakub Jelinek <jakub@redhat.com>
1468 PR target/39118
1469 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1470 (memory_blockage): New expander.
1471 (*memory_blockage): New insn pattern.
1472 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1473 instead of general blockage at the end of function prologue when
1474 frame pointer is used to access red zone area. Do not emit blockage
1475 when profiling, it is emitted in generic code.
1476 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1477 function epilogue when frame pointer is used to access red zone area.
1479 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1481 PR target/38824
1482 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1483 by arithmetic with memory operands.
1484 * config/i386/predicates.md (commutative_operator): New.
1486 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1488 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1489 bulleted lists.
1491 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1493 * alias.h (record_alias_subset): Declare.
1494 * alias.c (record_alias_subset): Make global.
1496 2009-02-10 Nick Clifton <nickc@redhat.com>
1498 * tree-parloops.c: Change license to GPLv3.
1499 * ipa-struct-reorg.c: Change license to GPLv3.
1500 * ipa-struct-reorg.h: Change license to GPLv3.
1502 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1504 PR c/39084
1505 * c-decl.c (start_struct): Return NULL on error.
1507 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1509 PR middle-end/39124
1510 * cfgloopmanip.c (remove_path): Call remove_bbs after
1511 cancel_loop_tree, not before it.
1513 PR target/39139
1514 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1515 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1516 VAR_DECLs were seen.
1517 * tree-ssa-live.c (remove_unused_locals): Recompute
1518 cfun->has_local_explicit_reg_vars.
1519 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1520 copies or clearings if cfun->has_local_explicit_reg_vars.
1522 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1524 PR target/39118
1525 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1526 of function prologue when frame pointer is used to access
1527 red zone area.
1529 2009-02-10 Richard Guenther <rguenther@suse.de>
1531 PR middle-end/39127
1532 * gimplify.c (gimple_regimplify_operands): Always look if
1533 we need to create a temporary.
1535 2009-02-10 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/39132
1538 * tree-loop-distribution.c (todo): New global var.
1539 (generate_memset_zero): Trigger TODO_rebuild_alias.
1540 (tree_loop_distribution): Return todo.
1542 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1544 PR target/39119
1545 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1546 (x86_64_reg_class_name): Removed.
1547 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1548 first one isn't X86_64_SSE_CLASS or any other ones aren't
1549 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1550 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1551 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1552 and 3 X86_64_SSEUP_CLASS.
1553 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1554 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1556 2009-02-10 Ben Elliston <bje@au.ibm.com>
1558 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1559 form instruction to update the stack back chain word, even if the
1560 user has disabled the generation of update instructions.
1561 (movdi_<mode>_update_stack): New.
1562 (movsi_update_stack): Likewise.
1563 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1564 always use an update form instruction to update the stack back
1565 chain word.
1567 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1569 PR middle-end/38953
1570 * graphite.c (if_region_set_false_region): After moving a region in
1571 the false branch of a condition, remove the empty dummy basic block.
1572 (gloog): Remove wrong fix for PR38953.
1574 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1576 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1577 generation due to implicit sign extension.
1579 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1581 PR middle-end/38981
1582 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1583 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1585 2009-02-09 Richard Guenther <rguenther@suse.de>
1587 PR middle-end/35202
1588 * convert.c (convert_to_real): Disable (float)fn((double)x)
1589 to fnf(x) conversion if errno differences may occur and
1590 -fmath-errno is set.
1592 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1594 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1595 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1596 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1598 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1600 PR c/35434
1601 * c-common.c (handle_alias_attribute): Disallow attribute for
1602 anything not a FUNCTION_DECL or VAR_DECL.
1604 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1606 PR c/39035
1607 * real.c (do_compare): Special-case compare of zero against
1608 decimal float value.
1610 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1612 PR c/36432
1613 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1614 as indicating flexible array members unless the field itself is
1615 being declarared as the incomplete array.
1617 2009-02-06 Jan Hubicka <jh@suse.cz>
1619 PR tree-optimization/38844
1620 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1621 is already inlined.
1623 2009-02-06 Richard Guenther <rguenther@suse.de>
1625 PR middle-end/38977
1626 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1627 fork because we may expand it as __gcov_fork.
1629 2009-02-06 Nick Clifton <nickc@redhat.com>
1631 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1633 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1635 PR tree-optimization/35659
1636 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1637 vn_phi_eq): Shortcut if hashcode does not match.
1638 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1639 NULL operands.
1640 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1641 and avoid iterative_hash_expr.
1642 (FOR_EACH_VALUE_ID_IN_SET): New.
1643 (value_id_compare): Remove.
1644 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1645 sort expressions by value id.
1647 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1649 PR target/38991
1650 * config/sh/predicates.md (general_movsrc_operand): Don't check
1651 the subreg of system registers here.
1653 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1655 PR c++/39106
1656 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1657 on the copied decl.
1659 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1661 PR rtl-optimization/39110
1662 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1663 addresses, not aligned ones.
1665 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1666 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/39100
1669 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1670 comment says and add edges.
1672 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1674 PR c/35435
1675 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1676 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1678 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1680 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1681 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1682 register_bb_in_sese, new_sese, free_sese): Moved.
1683 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1684 outermost_loop_in_scop, build_scop_iteration_domain,
1685 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1686 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1687 Use loop_in_sese_p instead of loop_in_scop_p.
1688 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1689 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1690 (scopdet_basic_block_info): Fix bug in scop detection.
1691 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1692 eq_loop_to_cloog_loop): Remove.
1693 (nb_loops_around_loop_in_scop, nb_loop
1694 ref_nb_loops): Moved here...
1695 * graphite.h (ref_nb_loops): ... from here.
1696 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1697 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1698 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1699 * testsuite/gcc.dg/graphite/scop-19.c: New
1701 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1702 Hans-Peter Nilsson <hp@axis.com>
1704 PR rtl-optimization/37889
1705 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1706 Move offset handling from PLUS to before the switch. Use new
1707 arguments when considering SYMBOL_REFs too.
1708 (rtx_addr_can_trap_p): Pass dummy offset and size.
1709 (enum may_trap_p_flags): Remove.
1710 (may_trap_p_1): Pass size from MEM_SIZE.
1712 PR rtl-optimization/38921
1713 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1714 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1715 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1716 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1718 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1720 AVX Programming Reference (January, 2009)
1721 * config/i386/sse.md (*vpclmulqdq): New.
1723 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1725 PR tree-optimization/38977
1726 PR gcov-profile/38292
1727 * calls.c (special_function_p): Disregard __builtin_ prefix.
1729 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1731 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1732 non-indexable addresses even before reload.
1734 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1736 PR c/29129
1737 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1738 as having variable size. Do not give an error for unnamed
1739 parameters with [*] declarators. Give a warning for type names
1740 with [*] declarators and mark them as variable size.
1741 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1742 for sizeof applied to [*] type names.
1744 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1746 PR C++/36607
1747 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1749 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1751 * gcc.c (process_command): Update copyright notice dates.
1752 * gcov.c (print_version): Likewise.
1753 * gcov-dump.c (print_version): Likewise.
1754 * mips-tfile.c (main): Likewise.
1755 * mips-tdump.c (main): Likewise.
1757 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1759 PR c/35433
1760 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1761 for composite type involving a zero-length array type.
1763 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1765 PR target/35318
1766 * function.c (match_asm_constraints_1): Skip over
1767 initial optional % in the constraint.
1769 PR inline-asm/39059
1770 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1771 supported, don't accept FIXED_CSTs.
1772 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1773 and _Sat is used without _Fract/_Accum. Set specs->type to
1774 integer_type_node for cts_fract/cts_accum if fixed point is not
1775 supported.
1777 2009-02-02 Catherine Moore <clm@codesourcery.com>
1779 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1781 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1783 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1784 (ABI_HAS_64BIT_SYMBOLS): Use it.
1785 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1787 2009-02-02 Paul Brook <paul@codesourcery.com>
1789 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1791 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1793 PR inline-asm/39058
1794 * recog.h (asm_operand_ok): Add constraints argument.
1795 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1796 recurse on matching constraint.
1797 (check_asm_operands): Pass constraints as 3rd argument to
1798 asm_operand_ok. Don't look up matching constraint here.
1799 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1800 to asm_operand_ok.
1802 2009-02-02 Ben Elliston <bje@au.ibm.com>
1804 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1805 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1807 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1809 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1810 information. Remove some obsolete information. Reorganize.
1812 * config/pa/fptr.c: Revert license to GPL 2.
1813 * config/pa/milli64.S: Likewise.
1815 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1817 PR target/38904
1818 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1819 LIBRARY name in, instead of hard-coding it.
1820 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1821 extra target make frag to tmake_files according to EH model.
1822 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1823 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1824 frags that define makefile variable EH_MODEL appropriately.
1825 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1826 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1827 to "-sjlj" according to type of EH configured.
1828 (LIBGCC_SONAME): Concatenate it to shared library base name.
1829 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1830 to "_sjlj" according to type of EH configured.
1831 (LIBGCC_SONAME): Concatenate it to shared library base name.
1832 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1833 (SHLIB_LINK): Add missing semicolon to if-else construct.
1834 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1835 string value of "pe_dll" command-line option.
1836 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1837 (SHLIB_SONAME): Use it when overriding t-cygming default.
1838 (SHLIB_IMPLIB): Override t-cygming default.
1839 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1840 string value of "pe_dll" command-line option.
1842 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1844 PR target/38952
1845 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1846 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1848 2009-01-31 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/38937
1851 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1852 computing the transitive closure.
1854 2009-01-30 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/39041
1857 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1858 Propagate variable indices only if the types match for this stmt.
1860 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1862 PR target/39013
1863 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1864 inline but never defined.
1866 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1868 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1869 (*insv_h_di_reg_extimm): New insn.
1870 (*insv_l<mode>_reg_extimm): New insn.
1872 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1874 * config/picochip/picochip.c (flag_conserve_stack): set
1875 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1876 fconserve-stack. Reduce call-overhead used by inliner.
1878 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1880 PR/38157
1881 * common.opt (flag_conserve_stack): Initialised to zero.
1883 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1885 PR/39002
1886 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1887 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1888 method.
1890 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1892 * ira-color.c (allocno_reload_assign): Update comments.
1893 * regmove.c (regmove_optimize): Likewise.
1895 * ra.h: Removed.
1897 2009-01-29 Robert Millan <rmh@aybabtu.com>
1899 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1900 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1901 `MD_UNWIND_SUPPORT'.
1902 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1904 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1906 PR tree-optimization/39007
1907 * tree-loop-distribution.c (generate_builtin): Use
1908 recompute_dominator to compute the immediate dominator of the
1909 basic block just after the loop.
1911 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1913 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1914 (ASM_OUTPUT_DWARF_PCREL): Define.
1916 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1918 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1919 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1920 global. Modify entries about regmove and IRA.
1922 * ra-conflict.c: Remove the file.
1924 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1926 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1927 (pass_regclass_init): Rename to pass_reginfo_init.
1929 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1931 * toplev.h (flag_ira): Remove.
1933 * caller-save.c (setup_save_areas): Remove flag_ira.
1935 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1937 * global.c: Remove the file.
1939 * opts.c: (decode_options): Remove flag_ira.
1941 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1943 * regmove.c: Modify file description.
1944 (find_use_as_address, try_auto_increment): Define them only if
1945 AUTO_INC_DEC is defined.
1946 (replacement_quality, replace_in_call_usage, fixup_match_1,
1947 stable_and_no_regs_but_for_p): Remove.
1948 (reg_set_in_bb): Make it static.
1949 (regmove_optimize): Remove flag_ira and code which worked for
1950 !flag_ira.
1952 * local-alloc.c: Remove the file.
1954 * common.opt (fira): Remove.
1956 * ira.c: Include except.h.
1957 (eliminable_regset): Move from global.c.
1958 (mark_elimination): Ditto. Remove flag_ira.
1959 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1960 equiv_mem_modified, validate_equiv_mem_from_store,
1961 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1962 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1963 no_equiv, recorded_label_ref): Move from local-alloc.c.
1964 (update_equiv_regs): Ditto. Make it static.
1965 (print_insn_chain, print_insn_chains): Move it from global.c.
1966 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1967 (build_insn_chain): Ditto. Make it static.
1968 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1969 Rename to init_live_subregs.
1970 (gate_ira): Remove flag_ira.
1972 * regclass.c: Rename reginfo.c. Change file description.
1973 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1974 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1975 (init_reg_sets_1): Remove code for evaluation of
1976 reg_class_superclasses and losing_caller_save_reg_set.
1977 (init_regs): Remove init_reg_autoinc.
1978 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1979 ok_for_base_p_nonstrict): Remove.
1980 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1981 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1982 corresponding entries.
1983 (dump_regclass, record_operand_costs, scan_one_insn,
1984 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1985 record_address_regs, auto_inc_dec_reg_p): Remove.
1986 (gt-regclass.h): Rename to gt-reginfo.h.
1988 * rtl.h (dump_global_regs, retry_global_alloc,
1989 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1991 * Makefile.in (RA_H): Remove.
1992 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1993 Rename regclass.o to reginfo.o.
1994 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1995 gt-reginfo.h.
1996 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1997 (GTFILES): Rename regclass.c to reginfo.c.
1999 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2000 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2002 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2003 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2004 Remove flag_ira.
2005 (finish_spills): Ditto. Remove code for !flag_ira.
2007 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2009 PR middle-end/35854
2010 * doc/invoke.texi (rtl debug options): Complete rewrite.
2011 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2012 to auto_inc_dec".
2013 * mode-switching.c (pass_mode_switching): Rename pass from
2014 "mode-sw" to "mode_sw".
2015 * except.c (pass_convert_to_eh_ranges): Rename pass from
2016 "eh-ranges" to "eh_ranges".
2017 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2018 to "subreg1".
2021 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2022 Alexander Monakov <amonakov@ispras.ru>
2024 PR middle-end/38857
2025 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2026 register.
2027 (move_exprs_to_boundary): Change return type and pass through
2028 should_move from move_op. Relax assert. Update usage ...
2029 (schedule_expr_on_boundary): ... here. Use should_move instead of
2030 cant_move.
2031 (move_op_orig_expr_found): Indicate that insn was disconnected from
2032 stream.
2033 (code_motion_process_successors): Do not call after_merge_succs
2034 callback if original expression was not found when traversing any of
2035 the branches.
2036 (code_motion_path_driver): Change return type. Update prototype.
2037 (move_op): Update comment. Add a new parameter (should_move). Update
2038 prototype. Set *should_move based on indication provided by
2039 move_op_orig_expr_found.
2041 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2043 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2044 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2045 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2046 * config/rs6000/rs6000.c (rs6000_override_options): Default
2047 avoid-indexed-addresses on for Power6, off for everything else.
2048 (avoiding_indexed_address_p): New function.
2049 (rs6000_legitimize_address): Use it.
2050 (rs6000_legitimate_address): Likewise.
2051 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2053 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2055 PR tree-optimization/38997
2056 * tree-loop-distribution.c (generate_memset_zero): Use
2057 POINTER_PLUS_EXPR for a pointer addition.
2059 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2061 * config/s390/s390.md (bswap<mode>2): New pattern added.
2063 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2065 * config/s390/s390.md (*tls_load_31): Added type attribute.
2067 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2069 * config/s390/s390.md: Fix a few comments.
2071 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2073 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2074 (*tm<mode>_full): Fixed z10prop attribute.
2075 (*tst<mode>_extimm): Fixed z10prop attribute.
2076 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2077 (*tstqiCCT_cconly): Fixed z10prop attribute.
2078 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2079 (*movsi_larl): Fixed z10prop attribute.
2080 (*movsi_zarch): Fixed z10prop attribute.
2081 (*movsi_eas): Fixed z10prop attribute.
2082 (*movhi): Fixed z10prop attribute.
2083 (*movqi): Fixed z10prop attribute.
2084 (*movstrictqi): Fixed z10prop attribute.
2085 (*mov<mode>): Fixed z10prop attribute.
2086 (*movcc): Fixed z10prop attribute.
2087 (*sethighpartdi_64): Fixed z10prop attribute.
2088 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2089 (*negdi2_sign_cc): Fixed z10prop attribute.
2090 (*negdi2_sign): Fixed z10prop attribute.
2091 (*absdi2_sign_cc): Fixed z10prop attribute.
2092 (*absdi2_sign): Fixed z10prop attribute.
2093 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2094 (*negabsdi2_sign): Fixed z10prop attribute.
2095 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2096 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2097 (doloop_si64): Fixed z10prop attribute.
2098 (doloop_si31): Fixed z10prop attribute.
2099 (doloop_long): Fixed z10prop attribute.
2100 (indirect_jump): Fixed z10prop attribute.
2101 (nop): Fixed z10prop attribute.
2102 (main_base_64): Fixed z10prop attribute.
2103 (reload_base_64): Fixed z10prop attribute.
2105 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2107 PR rtl-optimization/38740
2108 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2109 if !optimize.
2110 * config/mips/mips.c (mips_reorg): Likewise.
2112 2009-01-28 Richard Guenther <rguenther@suse.de>
2114 PR tree-optimization/38926
2115 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2116 with the correct value id to a value.
2117 (do_regular_insertion): Use the value number of edoubleprime
2118 for the value number of the expr.
2120 Revert
2121 2008-08-21 Richard Guenther <rguenther@suse.de>
2123 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2124 a PHI ask VN if it is already available.
2125 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2126 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2128 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2130 PR middle-end/38934
2131 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2132 set to varying whenever max has TREE_OVERFLOW set, similarly
2133 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2135 2009-01-28 Richard Guenther <rguenther@suse.de>
2137 PR middle-end/38908
2138 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2139 uninitialized aggregate uses in call arguments.
2141 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2143 PR tree-optimization/38984
2144 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2145 the nothing_id variable if -fno-delete-null-pointer-checks.
2147 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2149 PR target/38988
2150 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2151 (set_got_offset_rex64): Ditto.
2153 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2155 PR target/38941
2156 * doc/extend.texi: Improve local variable with asm reg.
2158 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2160 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2161 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2162 was not supplied then set warn_packed_bitfield_compat to the
2163 default value of 1.
2164 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2165 against 1.
2167 2009-01-27 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/38503
2170 * cfgexpand.c (expand_gimple_basic_block): Ignore
2171 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2172 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2173 variables that cannot have TBAA applied.
2174 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2175 statements.
2177 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2179 PR middle-end/38969
2180 * calls.c (initialize_argument_information): Do not wrap complex
2181 arguments in SAVE_EXPR.
2183 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2185 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2186 (INSTALL_LIBGCC): Revert typo commit.
2188 2009-01-26 Richard Guenther <rguenther@suse.de>
2190 PR tree-optimization/38745
2191 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2192 from special handling.
2194 2009-01-26 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/38745
2197 * tree-ssa.c (execute_update_addresses_taken): Do not include
2198 variables that cannot possibly be a register in not_reg_needs.
2199 Do not clear TREE_ADDRESSABLE on vars that may not become
2200 registers.
2201 * tree-ssa.c (update_alias_info_1): Include those in the set
2202 of addressable vars.
2204 2009-01-26 Richard Guenther <rguenther@suse.de>
2206 PR middle-end/38851
2207 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2208 * tree-ssa-dse.c: Include langhooks.h
2209 (execute_simple_dse): Remove stores with zero size.
2211 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2213 PR c/38957
2214 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2215 as PLUS_EXPR.
2217 2009-01-24 Julian Brown <julian@codesourcery.com>
2219 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2220 config/arm/linux-atomic.c.
2221 * config/arm/linux-atomic.c: New.
2223 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2225 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2226 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2227 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2229 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2231 PR c/38938
2232 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2233 properly.
2235 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2237 PR tree-optimization/38953
2238 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2239 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2240 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2241 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2242 changed the CFG.
2244 2009-01-24 Paul Brook <paul@codesourcery.com>
2246 * config/arm/neon.md (neon_type): Move to arm.md.
2247 (neon_mov<VSTRUCT>): Add neon_type attribute.
2248 * config/arm/arm.md (neon_type): Move to here.
2249 (conds): Add "unconditioal" and use as default for NEON insns.
2251 2009-01-24 Ben Elliston <bje@au.ibm.com>
2253 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2254 void *' warning from -Wc++-compat.
2255 * Makefile.in (dominance.o-warn): Remove.
2257 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2259 PR tree-optimization/38932
2260 * fold-const.c (fold_unary_ignore_overflow): New.
2261 * tree.h (fold_unary_ignore_overflow): Declare.
2262 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2263 * tree-ssa-sccvn.c (visit_reference_op_load,
2264 simplify_unary_expression): Likewise.
2266 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2268 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2269 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2270 regardless of their type.
2271 * c-common.c (handle_packed_attribute): Don't ignore packed on
2272 bitfields.
2273 * c.opt (Wpacked-bitfield-compat): New warning option.
2274 * stor-layout.c (place_field): Warn if offset of a field changed.
2275 * doc/extend.texi (packed): Mention the ABI change.
2276 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2277 (Warning Options): Add it to the list.
2279 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2281 * c-opts.c (c_common_post_options): Fix a typo in comments.
2283 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2285 PR middle-end/38615
2286 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2287 variables to static.
2288 * doc/invoke.texi (-fmerge-all-constants): Update description.
2290 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2292 PR target/38931
2293 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2294 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2296 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2298 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2299 a word boundary.
2300 (LOCAL_ALIGNMENT): Similarly.
2302 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2303 Joseph Myers <joseph@codesourcery.com>
2305 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2306 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2307 * config/arm/arm-tune.md: Regenerate.
2308 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2309 -march=iwmmxt2.
2311 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2313 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2314 version number to five.
2316 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2318 PR c++/38930
2319 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2320 * c-common.c (set_underlying_type): Likewise.
2321 (is_typedef_decl ): Likewise
2322 * tree.h: Likewise
2323 (set_underlying_type): Likewise.
2324 (is_typedef_type): Likewise.
2326 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2328 PR middle-end/38587
2329 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2330 crossing setjmps.
2332 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2334 PR bootstrap/37660
2335 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2336 (LIBGCC_SPEC): Don't define.
2337 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2339 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2341 PR rtl-optimization/38879
2342 * alias.c (base_alias_check): Unaligned access via AND address can
2343 alias all surrounding object types except those with sizes equal
2344 or wider than the size of unaligned access.
2346 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2348 PR c++/26693
2349 * c-decl.c: (clone_underlying_type): Move this ...
2350 * c-common.c (set_underlying_type): ... here.
2351 Also, make sure the function properly sets TYPE_STUB_DECL() on
2352 the newly created typedef variant type.
2353 (is_typedef_decl ): New entry point.
2354 * tree.h: Added a new member member_types_needing_access_check to
2355 struct tree_decl_non_common.
2356 (set_underlying_type): New entry point.
2357 (is_typedef_type): Likewise.
2359 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2361 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2362 Check whether two instructions have memory references that
2363 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2364 are helper functions for traversing.
2365 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2366 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2367 not to draw dependency edge for instructions with non-conflicting
2368 alias sets.
2370 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2372 PR other/38758
2373 * longlong.h: Update copyright years. Use soft-fp license notice.
2374 Sync __clz_tab declaration with glibc.
2376 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2378 PR target/30687
2379 * doc/extend.texi (syscall_linkage): New.
2380 (version_id): Modify.
2382 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2383 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/38747
2386 PR tree-optimization/38748
2387 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2388 conversion if the base address is an indirect reference and the
2389 aliasing sets could cause issues.
2391 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2393 * common.opt (fgraphite, fgraphite-identity): Add comment for
2394 explaining why these options are not documented.
2396 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2398 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2399 gimple_call_lhs is NULL.
2401 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2403 PR target/38868
2404 * emit-rtl.c (adjust_address_1): Make sure memref is never
2405 overwritten.
2407 2009-01-20 Ben Elliston <bje@au.ibm.com>
2409 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2410 const qualifier from arg parameter. Remove unnecessary cast to char *.
2411 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2412 const qualifier from arg 2.
2414 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2416 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2418 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2420 PR c/38869
2421 * rtl.h (reinit_regs): New prototype.
2422 * regclass.c: Include ira.h.
2423 (reinit_regs): New.
2424 * Makefile.in (regclass.o): Add ira.h.
2425 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2427 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2429 PR target/38736
2430 * c-common.c (handle_aligned_attribute): Use
2431 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2432 default alignment value.
2434 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2436 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2437 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2439 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2440 __BIGGEST_ALIGNMENT__.
2442 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2444 2009-01-18 Richard Guenther <rguenther@suse.de>
2446 PR tree-optimization/38819
2447 * tree-flow.h (operation_could_trap_helper_p): Declare.
2448 * tree-eh.c (operation_could_trap_helper_p): Export.
2449 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2450 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2451 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2452 are about to insert a possibly trapping instruction and fail
2453 in this case.
2455 2009-01-18 Andreas Schwab <schwab@suse.de>
2457 * doc/install.texi (Configuration): Remove obsolete paragraph
2458 about use of --with-gnu-ld with --with-gnu-as.
2460 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2462 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2463 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2464 Follow spelling conventions.
2466 2009-01-18 Ben Elliston <bje@au.ibm.com>
2468 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2469 C++ warning about implicit conversion from void * to struct
2470 bitmap_head_def *.
2471 (bitmap_obstack_free): Likewise for bitmap_element *.
2472 * Makefile.in (bitmap.o-warn): Remove.
2474 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2476 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2478 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2479 Tobias Grosser <tobi.grosser@amd.com>
2481 * graphite.c (graphite_trans_scop_block): Do not block single
2482 nested loops.
2484 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2486 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2487 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2488 test with assertion.
2490 2009-01-16 Richard Guenther <rguenther@suse.de>
2492 PR tree-optimization/38835
2493 PR middle-end/36227
2494 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2495 and INT + PTR -> (INT)(PTR p+ INT) folding.
2496 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2498 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2500 PR target/38554
2501 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2502 the subreg from a lowpart subreg if it is also casting the value.
2504 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2505 Tobias Grosser <tobi.grosser@amd.com>
2507 * graphite.c (compare_prefix_loops): New.
2508 (build_scop_canonical_schedules): Rewritten.
2509 (graphite_transform_loops): Move build_scop_canonical_schedules
2510 after build_scop_iteration_domain.
2512 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2513 Tobias Grosser <tobi.grosser@amd.com>
2515 * graphite.c (add_conditions_to_domain): Add the loops to
2516 the dimension of the iteration domain. Do copy the domain
2517 only when it exists.
2518 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2519 (add_conditions_to_constraints): New.
2520 (can_generate_code_stmt, can_generate_code): Removed.
2521 (gloog): Do not call can_generate_code.
2522 (graphite_transform_loops): Call add_conditions_to_constraints
2523 after building the iteration domain.
2525 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2527 PR tree-optimization/38789
2528 * tree-ssa-threadedge.c
2529 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2530 __builtin_constant_p.
2532 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2534 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2535 examined before deleting them.
2537 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2539 * function.c (aggregate_value_p): Correctly extract the function
2540 type from CALL_EXPR_FN lookup.
2542 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2544 * config/picochip/picochip.c (picochip_override_options): Revert
2545 CFI asm flag disable commited previously.
2547 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2548 Tobias Grosser <tobi.grosser@amd.com>
2549 Jan Sjodin <jan.sjodin@amd.com>
2551 * graphite.c (scan_tree_for_params): On substractions negate
2552 all the coefficients of the term.
2553 (clast_to_gcc_expression_red): New. Handle reduction expressions
2554 of more than two operands.
2555 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2556 (get_vdef_before_scop): Handle also the case of default definitions.
2558 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2560 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2561 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2562 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2564 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2565 Joey Ye <joey.ye@intel.com>
2567 PR middle-end/37843
2568 * cfgexpand.c (expand_stack_alignment): Don't update stack
2569 boundary nor check incoming stack boundary here.
2570 (gimple_expand_cfg): Update stack boundary and check incoming
2571 stack boundary here.
2573 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2575 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2577 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2579 PR rtl-optimization/38245
2580 * calls.c (expand_call): Add stack arguments to
2581 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2582 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2583 in regs and partially in memory or BLKmode arguments.
2584 (emit_library_call_value_1): Add stack arguments to
2585 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2586 ACCUMULATE_OUTGOING_ARGS).
2587 * dce.c: Include tm_p.h.
2588 (find_call_stack_args): New function.
2589 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2590 argument.
2591 (mark_insn): Call find_call_stack_args for CALL_Ps.
2592 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2593 forwards. Allocate and free arg_stores bitmap if needed, pass it
2594 down to deletable_insn_p, don't mark stores set in arg_stores
2595 bitmap, clear the bitmap at the beginning of each bb.
2596 * Makefile.in (dce.o): Depend on $(TM_P_H).
2598 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2600 PR target/22599
2601 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2602 to make sure the insn is a conditional test (bug 22599). Reformat a
2603 few long lines.
2605 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2607 PR middle-end/38431
2608 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2609 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2610 (gloog): Do not call cleanup_tree_cfg.
2611 (graphite_transform_loops): Call cleanup_tree_cfg after all
2612 scops have been code generated.
2614 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2615 * doc/gty.texi (Invoking the garbage collector): Added new node
2616 and section documenting ggc_collect.
2618 2009-01-14 Richard Guenther <rguenther@suse.de>
2620 PR tree-optimization/38826
2621 PR middle-end/38477
2622 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2623 initialization notes only if we actually emitted a warning.
2624 (intra_create_variable_infos): Add constraints for a result decl
2625 that is passed by hidden reference.
2626 (build_pred_graph): Mark all related variables non-direct on
2627 address-taking.
2629 2009-01-14 Nick Clifton <nickc@redhat.com>
2631 * ira-conflicts.c: Include addresses.h for the definition of
2632 base_reg_class.
2633 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2634 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2636 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2638 PR target/38811
2639 * Makefile.in (ira-lives.o): Add except.h.
2641 * ira-lives.c: Include except.h.
2642 (process_bb_node_lives): Process can_throw_internal.
2644 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2646 PR rtl-optimization/38774
2647 * combine.c (simplify_set): When undoing cc_use change, don't do
2648 PUT_CODE on the newly created comparison, but instead put back the
2649 old comparison.
2651 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2653 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2654 values. Remove duplicate arm8 entry.
2656 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2658 PR tree-optimization/38786
2659 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2660 the SSA_NAME case of expand_scalar_variables_expr.
2661 Set the type of an expression to the type of its assign statement.
2662 (expand_scalar_variables_expr): Also gather the scalar computation
2663 used to index the memory access. Do not pass loop_p.
2664 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2665 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2666 the gimple_stmt_iterator where it inserts new code.
2667 Do not pass loop_p.
2668 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2669 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2671 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2673 * graphite.h (debug_value): Removed.
2674 * graphite.c (debug_value): Removed.
2676 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2678 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2679 ldrd/strd with two 32-bit instructions.
2681 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2683 * config/arm/arm.c (struct processors): Pass for speed down into
2684 cost helper functions.
2685 (const_ok_for_op): Handle COMPARE and inequality nodes.
2686 (arm_rtx_costs_1): Rewrite.
2687 (arm_size_rtx_costs): Update prototype.
2688 (arm_rtx_costs): Pass speed down to helper functions.
2689 (arm_slowmul_rtx_costs): Rework cost calculations.
2690 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2691 (arm_9e_rtx_costs): Likewise.
2693 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2695 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2696 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2697 (alpha_legitimize_address): Do not split local symbols wider than
2698 UNITS_PER_WORD into HIGH/LO_SUM parts.
2700 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2702 PR bootstrap/38580
2703 * gcc.c (process_command): Replace call to execvp with calls
2704 to pex_one and exit.
2706 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2708 PR target/29141
2709 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2710 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2711 variant for devices with 3-byte PC.
2712 (__tablejump_elpm__) : New.
2714 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2716 PR c/32041
2717 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2718 offsetof member-designator, handle it as `[0].'.
2720 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2722 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2723 function when not using named sections on targets with named sections
2724 if branch distance is less than 262132.
2726 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2728 * combine.c (combine_instructions): Recompute
2729 optimize_this_for_speed_p for each BB in the main combine loop.
2731 2009-01-12 Tomas Bily <tbily@suse.cz>
2733 PR middlend/38385
2734 * tree-loop-distribution.c (prop_phis): New function.
2735 (generate_builtin): Call prop_phis.
2736 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2738 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2740 PR tree-optimization/38807
2741 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2742 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2744 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2746 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2747 subreg of op0 to the original op0.
2749 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2751 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2753 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2755 PR debug/7055
2756 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2757 starting with digits.
2759 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2761 PR target/38695
2762 * config/arm/arm.c (arm_is_long_call_p): Don't call
2763 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2765 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2767 * regrename.c (regrename_optimize): Fix dumping.
2768 (find_oldest_value_reg): Preserve REG_POINTER.
2769 (copy_hardreg_forward_1): Likewise.
2771 2009-01-09 Diego Novillo <dnovillo@google.com>
2773 * gimple.h (struct gimple_statement_base) <uid>: Document
2774 the restrictions on its use.
2775 (gimple_uid): Tidy.
2776 (gimple_set_uid): Tidy.
2778 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2780 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2781 zero guard even if align_bytes != 0 and count is smaller than
2782 size_needed.
2784 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2786 PR rtl-optimization/38495
2787 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2788 (add_range_and_copies_from_move_list): Print all added ranges.
2789 Add ranges to memory optimized destination.
2791 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2793 PR target/38686
2794 PR target/38708
2795 * config/i386/i386.c (override_options): Reject
2796 -mstringop-strategy=rep_8byte with -m32.
2797 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2798 to 1. Do count comparison against epilogue_size_needed at compile
2799 time even when count_exp was constant forced into register. For
2800 size_needed don't jump to epilogue, instead just avoid aligning
2801 and invoke the body algorithm. If need_zero_guard, add zero guard
2802 even if count is non-zero, but smaller than size_needed + number of
2803 bytes that could be stored for alignment.
2804 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2805 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2806 but smaller than size_needed + number of bytes that could be stored
2807 for alignment. Compare size_needed with epilogue_size_needed instead
2808 of desired_align - align, don't adjust size_needed, pass
2809 epilogue_size_needed to the epilogue expanders.
2811 PR c/35742
2812 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2814 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2816 * pa.c (last_address): Change to unsigned.
2817 (update_total_code_bytes): Change argument to unsigned. Don't
2818 check if insn addresses are set.
2819 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2820 addresses are not set.
2821 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2823 2009-01-09 Nick Clifton <nickc@redhat.com>
2825 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2826 DECL_DECLARED_INLINE_P.
2828 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2830 PR middle-end/38347
2831 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2832 GET_MODE (op0) in operand_subword_force calls.
2834 PR middle-end/38771
2835 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2836 fold_convert arg0 operands to TREE_TYPE (op0) first.
2838 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2840 * params.def (ira-max-conflict-table-size): Decrease default value
2841 to 1000.
2843 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2845 PR tree-optimization/37031
2846 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2847 on parameter_set.
2848 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2849 allocate it using gc instead of heap, use VEC_quick_push instead of
2850 VEC_safe_push.
2851 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2852 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2853 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2854 allocated vector from heap allocated.
2855 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2856 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2857 vector only after perfect_loop_nest_depth call.
2859 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2860 Jan Sjodin <jan.sjodin@amd.com>
2862 PR tree-optimization/38559
2863 * graphite.c (debug_value, copy_constraint,
2864 swap_constraint_variables, scale_constraint_variable, ): New.
2865 (get_lower_bound, get_upper_bound): Removed.
2866 (graphite_trans_bb_strip_mine): Clean up this code that works
2867 only for constant number of iterations. Fully copy upper and
2868 lower bound constraints, not only the constant part of them.
2869 * graphite.h (debug_value): Declared.
2871 2009-01-08 Ira Rosen <irar@il.ibm.com>
2873 PR tree-optimization/37194
2874 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2875 Don't add the cost of cost model guard in prologue to scalar
2876 outside cost in case of known number of iterations.
2878 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2879 Alan Modra <amodra@bigpond.net.au>
2881 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2882 non-word-aligned REG+CONST addressing.
2884 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2886 PR target/38706
2887 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2888 free_after_compilation when outputting a thunk.
2889 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2890 Do not call free_after_compilation here.
2892 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2894 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2895 (ix86_valid_target_attribute_inner_p): Ditto.
2897 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2899 PR tree-optimization/38492
2900 PR tree-optimization/38498
2901 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2902 * tree-chrec.h (scev_is_linear_expression): Declared.
2903 * graphite.c (graphite_cannot_represent_loop_niter): New.
2904 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2905 (graphite_loop_normal_form): Use gcc_assert.
2906 (scan_tree_for_params): Use CASE_CONVERT.
2907 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2908 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2909 Use gcc_assert. Discard scops that contain unhandled cases.
2910 (build_scop_conditions): Return a boolean status for unhandled cases.
2911 (strip_mine_profitable_p): Print the loop number, not its depth.
2912 (is_interchange_valid): Pass the depth of the loop nest, don't
2913 recompute it wrongly.
2914 (graphite_trans_bb_block): Same.
2915 (graphite_trans_bb_block): Print tentative of loop blocking.
2916 (graphite_trans_scop_block): Do not print that the loop has been
2917 blocked.
2918 (graphite_transform_loops): Do not handle scops that contain condition
2919 scalar phi nodes.
2921 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2923 AVX Programming Reference (December, 2008)
2924 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2925 (_mm256_stream_pd): Likewise.
2926 (_mm256_stream_ps): Likewise.
2928 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2929 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2930 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2931 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2932 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2933 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2934 (ix86_expand_special_args_builtin): Likewise.
2936 * config/i386/sse.md (AVXMODEDI): New.
2937 (avx_movnt<mode>): Likewise.
2938 (avx_movnt<mode>): Likewise.
2939 (<sse>_movnt<mode>): Remove AVX support.
2940 (sse2_movntv2di): Likewise.
2942 2009-01-07 Richard Guenther <rguenther@suse.de>
2944 PR middle-end/38751
2945 * fold-const.c (extract_muldiv): Remove obsolete comment.
2946 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2947 to PLUS_EXPR canonicalization for the canonicalization.
2949 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2951 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2952 hosted cross-compilers generating less efficient code.
2954 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2956 * function.h (rtl_data): Add a dbr_scheduled_p field.
2957 * reorg.c (dbr_schedule): Set it.
2958 (gate_handle_delay_slots): Check it.
2959 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2960 (mips_reorg): Check flag_delayed_branch instead of
2961 mips_base_delayed_branch.
2962 (mips_override_options): Don't set mips_base_delayed_branch
2963 or flag_delayed_branch.
2965 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2967 PR rtl-optimization/38426.
2968 * ira.c (ira): Set current_function_is_leaf earlier.
2970 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2972 PR rtl-optimization/38722
2973 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2974 too early, only set a flag and modify after last possible
2975 undo_all point.
2977 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2979 PR c/34252
2980 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2981 * real.c (decimal_single_format): Correct values of emin and emax.
2982 (decimal_double_format): Ditto.
2983 (decimal_quad_format): Ditto.
2984 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2985 computation of DECnn_MIN and DECnn_MAX for corrected values of
2986 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2987 __DECnn_MIN__, and adjust its computation for the corrected value
2988 of emin.
2990 2009-01-06 Jan Hubicka <jh@suse.cz>
2992 PR target/38744
2993 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2995 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2997 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2998 Add Robert Clark to the list of testers.
3000 2009-01-06 Jan Hubicka <jh@suse.cz>
3001 Kai Tietz <kai.tietz@onevision.com>
3003 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3004 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3006 2009-01-06 Jan Hubicka <jh@suse.cz>
3007 Kai Tietz <kai.tietz@onevision.com>
3009 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3010 for w64 ABI.
3011 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3012 (ix86_nsaved_regs): Count only general purpose regs.
3013 (ix86_nsaved_sseregs): New.
3014 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3015 to 16 for w64; compute padding and size of sse reg save area.
3016 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3017 general purpose regs.
3018 (ix86_emit_save_sse_regs_using_mov): New.
3019 (ix86_expand_prologue): Save SSE regs if needed.
3020 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3021 (ix86_emit_restore_sse_regs_using_mov): New.
3022 (ix86_expand_epilogue): Save SSE regs if needed.
3024 2009-01-06 Jan Hubicka <jh@suse.cz>
3025 Kai Tietz <kai.tietz@onevision.com>
3027 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3028 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3029 functions when accumulate outgoing args is off.
3031 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3033 PR bootstrap/38742
3034 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3035 before using pseudos_have_intersected_live_ranges_p.
3037 * ira-int.h (ira_assert): Always define.
3039 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3041 AVX Programming Reference (December, 2008)
3042 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3043 (_mm256_permute2_pd): Likewise.
3044 (_mm_permute2_ps): Likewise.
3045 (_mm256_permute2_ps): Likewise.
3046 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3047 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3049 * config/i386/i386.c (ix86_builtins): Remove
3050 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3051 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3052 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3053 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3054 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3055 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3056 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3057 __builtin_ia32_vpermil2ps256.
3058 (ix86_init_mmx_sse_builtins): Updated.
3059 (ix86_expand_args_builtin): Likewise.
3061 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3063 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3064 long absolute calls when generating PA 2.0 code.
3066 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3068 PR rtl-optimization/38583
3069 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3071 * params.def (ira-max-conflict-table-size): New.
3073 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3075 * ira.h (ira_conflicts_p): New external definition.
3077 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3078 table. Report this. Return result of building.
3079 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3080 building conflict table.
3082 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3083 (ira_color): Use ira_conflicts_p.
3085 * global.c: Include ira.h.
3086 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3087 ira_conflicts_p.
3089 * Makefile.in (global.o): Add ira.h.
3091 * ira-build.c (mark_all_loops_for_removal,
3092 propagate_some_info_from_allocno): New.
3093 (remove_unnecessary_allocnos): Call
3094 propagate_some_info_from_allocno.
3095 (remove_low_level_allocnos): New.
3096 (remove_unnecessary_regions): Add parameter. Call
3097 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3098 parameter to remove_unnecessary_regions.
3099 (ira_build): Remove all regions but root if the conflict table was
3100 not built. Update conflict hard regs for allocnos crossing calls.
3102 * ira.c (ira_conflicts_p): New global.
3103 (ira): Define and use ira_conflicts_p.
3105 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3106 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3107 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3109 2009-01-06 Ben Elliston <bje@au.ibm.com>
3111 * gengtype-lex.l (YY_NO_INPUT): Define.
3113 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3115 PR c/34911
3116 * c-common.c (handle_vector_size_attribute): Also reject
3117 BOOLEAN_TYPE types.
3119 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3121 PR tree-optimization/38492
3122 * graphite.c (rename_map_elt, debug_rename_elt,
3123 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3124 rename_map_elt_info, eq_rename_map_elts,
3125 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3126 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3127 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3128 (sese_build_livein_liveouts): New.
3129 (new_sese, free_sese): New.
3130 (new_scop): Call new_sese.
3131 (free_scop): Call free_sese.
3132 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3133 (register_old_new_names): Renamed register_old_and_new_names.
3134 (register_scop_liveout_renames, add_loop_exit_phis,
3135 insert_loop_close_phis, struct igp,
3136 default_liveout_before_guard, add_guard_exit_phis,
3137 insert_guard_phis, copy_renames): New.
3138 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3139 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3140 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3141 (scop_adjust_phis_for_liveouts): New.
3142 (gloog): Call scop_adjust_phis_for_liveouts.
3144 * graphite.h (struct sese): Documented. Added fields liveout,
3145 num_ver and livein.
3146 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3147 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3148 (struct scop): Added field liveout_renames.
3149 (SCOP_LIVEOUT_RENAMES): New.
3151 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3153 PR tree-optimization/38510
3154 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3155 (translate_clast): Call recompute_all_dominators before
3156 graphite_verify.
3157 (gloog): Call recompute_all_dominators before graphite_verify.
3159 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3160 Jan Sjodin <jan.sjodin@amd.com>
3162 PR tree-optimization/38500
3163 * graphite.c (create_sese_edges): Call fix_loop_structure after
3164 splitting blocks.
3166 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3168 * config.gcc: Add m32r*-*-rtems*.
3169 * config/m32r/rtems.h: New file.
3171 2009-01-05 Ben Elliston <bje@au.ibm.com>
3173 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3174 (.po.pox): Likewise.
3175 (po/gcc.pot): Likewise.
3177 2009-01-04 David S. Miller <davem@davemloft.net>
3179 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3180 (STARTING_FRAME_OFFSET): Always set to zero.
3182 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3184 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3185 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3186 fixed-point types, and vectors of the same.
3188 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3190 * config/mips/sync.md (*mb_barrier): Rename to...
3191 (*memory_barrier): ...this.
3193 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3195 * doc/extend.texi (Function Attributes): Move @cindex after @item
3196 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3197 and put in alphabetical order. Fix 'target' name and put in order.
3198 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3199 typos.
3201 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3203 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3204 (memory_barrier): Expand as unspec instead of unspec_volatile.
3205 Remove mem:BLK from insn operands. Use Pmode scratch register.
3206 (*memory_barrier): Define as unspec instead of unspec_volatile.
3207 Use (match_dup 0) as input operand.
3209 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3210 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3211 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3212 scratch register. Remove operand 1.
3213 (*stbar): Define as unspec instead of unspec_volatile.
3214 Use (match_dup 0) as input operand, remove (const_int 8).
3215 (*membar): Define as unspec instead of unspec_volatile.
3216 Use (match_dup 0) as input operand, remove input operand 2.
3218 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3219 (memory_barrier): Expand as unspec instead of unspec_volatile.
3220 Remove mem:BLK from insn operands. Use Pmode scratch register.
3221 (*memory_barrier): Define as unspec instead of unspec_volatile.
3222 Use (match_dup 0) as input operand.
3224 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3225 Remove mem:BLK from insn operands. Use Pmode scratch register.
3226 Set volatile flag on operand 0.
3227 (*memory_barrier): New insn pattern.
3229 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3230 insn operands.
3231 (*memory_barrier): Use (match_dup 0) as input operand.
3233 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3234 Remove mem:BLK from insn operands. Use Pmode scratch register.
3235 Set volatile flag on operand 0.
3236 (*mb_internal): New insn pattern.
3238 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3240 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3242 PR middle-end/38586
3243 * function.c (struct temp_slot): Move to the section of the file
3244 that deals with temp slots. Remove field 'address'.
3245 (temp_slot_address_table): New hash table of address -> temp slot.
3246 (struct temp_slot_address_entry): New struct, items for the table.
3247 (temp_slot_address_compute_hash, temp_slot_address_hash,
3248 temp_slot_address_eq, insert_temp_slot_address): Support functions
3249 for the new table.
3250 (find_temp_slot_from_address): Rewrite to use the new hash table.
3251 (remove_unused_temp_slot_addresses): Remove addresses of temp
3252 slots that have been made available.
3253 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3254 worker function for remove_unused_temp_slot_addresses.
3255 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3256 Add the temp slot address to the address -> temp slot map.
3257 (update_temp_slot_address): Update via insert_temp_slot_address.
3258 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3259 (pop_temp_slots): Likewise.
3260 (init_temp_slots): Allocate the address -> temp slot map, or empty
3261 the map if it is already allocated.
3262 (prepare_function_start): Initialize temp slot processing.
3264 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3266 PR middle-end/38584
3267 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3268 Calculate the size of all stack vars assuming no packing of stack
3269 vars will happen, replacing a quadratic algorithm with a linear one.
3271 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3273 PR target/38707
3274 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3275 can't be used.
3277 2009-01-03 Diego Novillo <dnovillo@google.com>
3279 * doc/contrib.texi: Update contributions.
3281 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3283 PR c++/38705
3284 * builtins.c (fold_builtin_memory_op): Give up if either operand
3285 is volatile. Set srctype or desttype to non-qualified version
3286 of the other type.
3288 PR c/38700
3289 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3290 and FUNCTION_DECLs.
3292 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3294 PR rtl-optimization/35805
3295 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3296 problem if fast dce is able to remove any instructions.
3297 * dce.c (dce_process_block): Fix dump message.
3299 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3301 PR 33649
3302 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3304 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3306 PR middle-end/38690
3307 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3308 * tree-pretty-print.c (op_code_prio): New function.
3309 (op_prio): No longer static. Use op_code_prio.
3310 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3311 Use op_prio and op_code_prio to determine if () should be
3312 printed around operand(s) or not.
3314 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3315 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3316 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3317 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3318 pp_character instead of pp_string for single letter printing.
3320 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3322 * doc/extend.texi: Fix '#pragma GCC option' typo.
3324 2009-01-02 Richard Guenther <rguenther@suse.de>
3326 * doc/install.texi (--enable-checking): Mention different
3327 default for stage1.
3328 (--enable-stage1-checking): Document.
3330 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3332 PR middle-end/30142
3333 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3334 case to be an error.
3336 2009-01-02 Ben Elliston <bje@au.ibm.com>
3338 * config/fp-bit.h (pack_d): Constify argument.
3339 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3340 (isnan): Constify argument.
3341 (isinf): Likewise.
3342 (iszero): Likewise.
3343 (pack_d): Likewise.
3344 (_fpadd_parts): Constify return type.
3345 (_fpmul_parts): Likewise.
3346 (_fpdiv_parts): Likewise.
3348 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3350 PR c/36489
3351 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3352 warn about overwriting initializer with side-effects or
3353 -Woverride-init if !IMPLICIT.
3354 (output_init_element): Likewise. Pass IMPLICIT down to
3355 add_pending_init.
3356 (process_init_element): Add IMPLICIT argument. Pass it down
3357 to output_init_element.
3358 (push_init_element, pop_init_level, set_designator): Adjust
3359 process_init_element callers.
3360 (set_nonincremental_init, set_nonincremental_init_from_string):
3361 Adjust add_pending_init callers.
3362 (output_pending_init_elements): Adjust output_init_element callers.
3363 * c-tree.h (process_init_element): Adjust prototype.
3364 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3365 process_init_element callers.