1 2009-02-27 Jan Hubicka <jh@suse.cz>
4 * cgraph.h (varpool_output_debug_info): Remove.
5 * cgraphunit.c (varpool_output_debug_info): Remove.
6 * dwarf2out.c (deferred_locations_struct): New struct
7 (deferred_locations): New type.
8 (deferred_locations_list): New static var.
9 (deffer_location): New function.
10 (gen_variable_die): Use it.
11 (decls_for_scope): Output info on local static vars.
12 (dwarf2out_finish): Process deferred locations.
13 * varpool.c (varpool_output_debug_info): Remove.
15 2009-02-27 Jan Hubicka <jh@suse.cz>
18 * tree.h (TREE_PROTECTED): Fix comment.
19 (BLOCK_HANDLER_BLOCK): Remove.
20 (struct tree_block): Remove handler_block add body_block.
21 (inlined_function_outer_scope_p): New.
22 (is_body_block): Remove.
23 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
24 * dwarf2out.c (is_inlined_entry_point): Remove.
25 (add_high_low_attributes): Use inlined_function_outer_scope_p.
26 (gen_block_die): Use is_inlined_entry_point check. Remove body block
28 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
29 * gimplify.c (gimplify_expr): Gimplify body blocks.
30 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
31 block with multiple subblocks.
32 (dump_scope_block): Prettier output; dump more flags and info.
33 (dump_scope_blocks): New.
34 (remove_unused_locals): Use dump_scope_blocks.
35 * tree-flow.h (dump_scope_blocks): Declare.
36 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
37 * stmt.c (is_body_block): Remove.
38 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
39 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
41 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
44 * graphite.c (graphite_loop_normal_form): Do not call
45 number_of_iterations_exit from a gcc_assert.
47 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
49 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
50 jumps if COND is NULL.
51 (find_cond_jump): New function.
52 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
53 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
55 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
57 * config/alpha/alpha.h (alpha_expand_mov): Return false if
58 force_const_mem returns NULL_RTX.
60 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
62 PR rtl-optimization/39241
63 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
64 to subreg_offset_representable_p.
66 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
68 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
69 execute function prototype. Get f and nregs from max_reg_num
70 and get_insns. Remove the first backward pass as it's dead,
71 guard the forward pass by flag_expensive_optimizations.
72 (rest_of_handle_regmove): Delete.
73 (pass_regmove): Replace it with regmove_optimize.
75 2009-02-25 Martin Jambor <mjambor@suse.cz>
77 PR tree-optimization/39259
78 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
79 alls_alloca function flags.
80 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
83 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
85 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
86 flags_set_1_rtx, flags_set_1_set): Delete.
87 (regmove_optimize): Do not call mark_flags_life_zones.
89 2009-02-24 Julian Brown <julian@codesourcery.com>
92 * config/arm/arm.c (require_pic_register): Only set
93 cfun->machine->pic_reg once per function.
95 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
97 * doc/invoke.texi (Link Options): Document an easier way to pass
98 options that take arguments to the GNU linker using -Xlinker and -Wl.
100 2009-02-24 Steve Ellcey <sje@cup.hp.com>
103 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
105 2009-02-24 Richard Guenther <rguenther@suse.de>
108 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
110 2009-02-24 Richard Guenther <rguenther@suse.de>
111 Zdenek Dvorak <ook@ucw.cz>
113 PR tree-optimization/39233
114 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
115 from converting them to a generic type.
117 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
119 PR tree-optimization/39260
120 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
121 contains a condition with a real type.
122 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
124 2009-02-23 Jason Merrill <jason@redhat.com>
127 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
128 narrowing_initializer_constant_valid_p.
129 (narrowing_initializer_constant_valid_p): Don't return
130 null_pointer_node for adding a pointer to itself.
132 2009-02-23 Jan Hubicka <jh@suse.cz>
135 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
138 2009-02-23 Jan Hubicka <jh@suse.cz>
140 PR tree-optimization/37709
141 * tree.c (block_ultimate_origin): Move here from dwarf2out.
142 * tree.h (block_ultimate_origin): Declare.
143 * dwarf2out.c (block_ultimate_origin): Move to tree.c
144 * tree-ssa-live.c (remove_unused_scope_block_p):
145 Eliminate blocks containig no instructions nor live variables nor
147 (dump_scope_block): New function.
148 (remove_unused_locals): Enable removal of dead blocks by default;
149 enable dumping at TDF_DETAILS.
151 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
153 * config/i386/i386.c (classify_argument): Don't allow COImode
155 (function_arg_advance_32): Don't allow OImode.
156 (function_arg_32): Likewise.
157 (function_value_32): Likewise.
158 (return_in_memory_32): Likewise.
159 (function_arg_64): Remove OImode comment.
161 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
164 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
165 ix86_expand_vector_set for V4DImode in 64bit mode only.
166 (ix86_expand_vector_init_one_var): Likewise.
168 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
170 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
172 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
175 * loop-iv.c: Revert last change.
176 * emit-rtl.c: Likewise.
178 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
181 * config/i386/i386.c (type_natural_mode): Remove an extra
182 space in the warning message.
183 (function_value_32): Handle 32-byte vector modes.
184 (return_in_memory_32): Likewise.
186 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
188 * loop-iv.c (truncate_value): New function.
189 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
191 (lowpart_subreg): Move to...
192 * emit-rtl.c: ...here.
194 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
196 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
197 accidental and undocumented change at revision 140860.
199 2009-02-21 Joseph Myers <joseph@codesourcery.com>
201 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
202 take gimple_seq * arguments.
203 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
204 types_compatible_p langhook.
206 2009-02-20 Mark Mitchell <mark@codesourcery.com>
207 Joseph Myers <joseph@codesourcery.com>
209 * config/arm/arm.c (arm_builtin_va_list): New function.
210 (arm_expand_builtin_va_start): Likewise.
211 (arm_gimplify_va_arg_expr): Likewise.
212 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
213 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
214 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
215 (va_list_type): New variable.
216 (arm_mangle_type): Mangle va_list_type appropriately.
218 2009-02-20 Jakub Jelinek <jakub@redhat.com>
221 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
222 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
223 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
224 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
225 parameter to 1000 for -O1 by default.
226 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
228 * loop-invariant.c: Include params.h.
229 (move_loop_invariants): Don't call move_single_loop_invariants on
232 2009-02-20 Jaka Mocnik <jaka@xlab.si>
234 * calls.c (emit_library_call_value_1): Use slot_offset instead of
235 offset when calculating bounds for indexing stack_usage_map. Fixes
236 a buffer overflow with certain target setups.
238 2009-02-20 Jakub Jelinek <jakub@redhat.com>
241 * calls.c (expand_call): Clear try_tail_call if caller and callee
242 disagree in promotion of function return value.
244 2009-02-19 Jakub Jelinek <jakub@redhat.com>
247 * c-common.c (c_determine_visibility): If visibility changed and
248 DECL_RTL has been already set, call make_decl_rtl to update symbol
251 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
254 * varasm.c (assemble_variable): Don't check DECL_NAME when
255 globalizing a variable.
257 2009-02-19 Joseph Myers <joseph@codesourcery.com>
260 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
261 expression before any __builtin_trap call.
262 * c-typeck.c (build_function_call): Convert and check function
263 arguments before generating a call to a trap. Evaluate the
264 function arguments before the trap.
266 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
269 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
270 (UNSPEC_FXAM_MEM): New unspec.
271 (fxam<mode>2_i387_with_temp): New insn and split pattern.
272 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
273 memory using fxam<mode>2_i387_with_temp to remove excess precision.
275 2009-02-19 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/39207
278 PR tree-optimization/39074
279 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
280 storedanything_tree): New.
281 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
282 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
283 (build_succ_graph): Add edges from STOREDANYTHING to all
285 (init_base_vars): Initialize STOREDANYTHING.
286 (compute_points_to_sets): Free substitution info after
287 building the succ graph.
288 (ipa_pta_execute): Likewise.
290 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
292 (do_ds_constraint): Do not add to special var or non-pointer
294 (type_could_have_pointers): Split out from ...
295 (could_have_pointers): ... here. For arrays use the element type.
296 (create_variable_info_for): Initialize may_have_pointers.
297 (new_var_info): Likewise.
298 (handle_lhs_call): Make the HEAP variable unknown-sized.
299 (intra_create_variable_infos): Use a type with pointers for
300 PARM_NOALIAS, make it unknown-sized.
302 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
305 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
307 2009-02-18 Jason Merrill <jason@redhat.com>
310 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
311 value if DECL_EXTERNAL.
312 * tree-sra.c (sra_walk_gimple_assign): Likewise.
313 * target.h (gcc_target::binds_local_p): Clarify "module".
314 * tree.h (TREE_PUBLIC): Clarify "module".
316 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
319 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
320 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
322 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
325 * c.opt (Wabi): Support C and ObjC.
328 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
330 * config/i386/i386.c (classify_argument): Warn once about the ABI
331 change when passing union with long double.
333 * doc/invoke.texi: Update -Wabi for warning psABI changes.
335 2009-02-18 Joseph Myers <joseph@codesourcery.com>
338 * c-parser.c (c_parser_compound_statement): Always enter and leave
341 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
344 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
346 2009-02-18 Jakub Jelinek <jakub@redhat.com>
348 PR tree-optimization/36922
349 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
350 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
353 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
355 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
358 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
360 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
362 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
364 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
367 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
368 Richard Sandiford <rdsandiford@googlemail.com>
370 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
371 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
372 (loongson_biadd): ...this.
374 2009-02-17 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/39202
377 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
378 a var make sure to follow existing collapses.
380 2009-02-17 Richard Guenther <rguenther@suse.de>
383 * langhooks.c (lhd_print_error_function): Check for NULL block.
385 2009-02-17 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/39204
388 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
391 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
393 * config/soft-fp/double.h: Update from glibc CVS.
395 2009-02-17 Richard Guenther <rguenther@suse.de>
397 PR tree-optimization/39207
398 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
399 strict-aliasing warnings for pointers pointing to NULL.
401 2009-02-16 Joseph Myers <joseph@codesourcery.com>
404 * c-parser.c (c_parser_braced_init): Call pop_init_level when
405 skipping until next close brace.
407 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
410 * config/i386/i386.c (ix86_expand_push): Set memory alignment
411 to function argument boundary.
413 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
415 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
416 in the lea_add. Reload eventually constraints it properly.
417 * config/picochip/constraints.md : Remove the target constraint
418 "b", since it is not needed anymore.
420 2009-02-16 Jakub Jelinek <jakub@redhat.com>
422 * gthr-dce.h: Uglify function parameter and local variable names.
423 * gthr-gnat.h: Likewise.
424 * gthr-mipssde.h: Likewise.
425 * gthr-nks.h: Likewise.
426 * gthr-posix95.h: Likewise.
427 * gthr-posix.h: Likewise.
428 * gthr-rtems.h: Likewise.
429 * gthr-single.h: Likewise.
430 * gthr-solaris.h: Likewise.
431 * gthr-tpf.h: Likewise.
432 * gthr-vxworks.h: Likewise.
433 * gthr-win32.h: Likewise.
435 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
438 * config/i386/i386.md: Restrict the new peephole2 to move
439 between MMX/SSE registers.
441 2009-02-15 Richard Guenther <rguenther@suse.de>
444 2009-02-13 Richard Guenther <rguenther@suse.de>
446 * configure.ac: Enable LFS.
447 * configure: Re-generate.
448 * config.in: Likewise.
450 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
452 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
453 spu_srqwbyte, spu_srqwbytebc): Define.
454 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
455 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
456 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
457 "shrqby_<mode>"): New insn-and-split patterns.
458 * config/spu/spu.c (expand_builtin_args): Determine and return
459 number of operands using spu_builtin_description data.
460 (spu_expand_builtin_1): Use it.
462 2009-02-13 Steve Ellcey <sje@cup.hp.com>
465 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
468 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
471 * config/i386/i386.c (override_options): Correct warning
472 messages for -malign-loops, -malign-jumps and -malign-functions.
474 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
477 * config/i386/i386.md: Restrict the new peephole2 to move
478 between the general purpose registers.
480 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
483 * config/i386/i386.c (type_natural_mode): Add a new argument.
484 Return the original mode and warn ABI change if vector size is 32byte.
485 (function_arg_advance): Updated.
486 (function_arg): Likewise.
487 (ix86_function_value): Likewise.
488 (ix86_return_in_memory): Likewise.
489 (ix86_sol10_return_in_memory): Likewise.
490 (ix86_gimplify_va_arg): Likewise.
491 (function_arg_32): Don't warn ABX ABI change here.
492 (function_arg_64): Likewise.
494 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
496 * loop-iv.c (implies_p): In the final case, test that operands 0
497 of the two comparisons match.
499 * config/bfin/bfin.c (find_prev_insn_start): New function.
500 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
501 (find_next_insn_start): Move.
503 2009-02-13 Richard Guenther <rguenther@suse.de>
505 * configure.ac: Enable LFS.
506 * configure: Re-generate.
507 * config.in: Likewise.
509 2009-02-13 Joseph Myers <joseph@codesourcery.com>
512 * c-parser.c (c_parser_parms_list_declarator): Discard pending
513 sizes on syntax error after some arguments have been parsed.
515 2009-02-12 Jakub Jelinek <jakub@redhat.com>
517 * doc/invoke.texi (-fira): Remove.
519 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
521 * caller-save.c: Replace regclass.c with reginfo.c in comments.
525 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
527 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
528 (umul_ppmm): Likewise.
529 (count_leading_zeros): Likewise.
530 (count_trailing_zeros): Likewise.
531 (UMUL_TIME): Likewise.
533 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
535 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
536 soft-fp/t-softfp to tmake_file.
538 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
539 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
540 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
541 IA64_BUILTIN_INFQ]: New.
542 (ia64_init_builtins): Initialize __builtin_infq,
543 __builtin_fabsq and __builtin_copysignq if not HPUX.
544 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
545 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
547 * config/ia64/lib1funcs.asm (__divtf3): Define only if
549 (__fixtfti): Likewise.
550 (__fixunstfti): Likewise.
551 (__floattitf): Likewise.
553 * config/ia64/libgcc-glibc.ver: New.
554 * config/ia64/t-fprules-softfp: Likewise.
555 * config/ia64/sfp-machine.h: Likewise.
557 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
558 (LIBGCC2_TF_CEXT): Likewise.
560 (TARGET_INIT_LIBFUNCS): Likewise.
562 * config/ia64/t-glibc (SHLINB_MAPFILES):
563 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
565 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
567 * config/i386/i386.c (construct_container): Rewrite processing
568 BLKmode with X86_64_SSE_CLASS.
570 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
573 * config/i386/i386.md: Replace simplify_replace_rtx with
574 replace_rtx in the new peephole2.
576 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
578 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
579 loop unrolling do not happen at -O2.
581 2009-02-12 Michael Matz <matz@suse.de>
583 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
585 2009-02-12 Jakub Jelinek <jakub@redhat.com>
587 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
590 2009-02-12 Ben Elliston <bje@au.ibm.com>
592 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
593 patterns when updating the back chain. Missed in the 2009-02-10
596 2009-02-11 Janis Johnson <janis187@us.ibm.com>
598 * doc/extend.texi (Decimal Floating Types): Update identifier of
599 draft TR and list of missing support.
601 2009-02-11 Jakub Jelinek <jakub@redhat.com>
604 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
605 bit to variable length decl's flags, add it also to its
606 pointer replacement variable.
608 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
609 Jakub Jelinek <jakub@redhat.com>
612 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
613 (memory_blockage): New expander.
614 (*memory_blockage): New insn pattern.
615 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
616 instead of general blockage at the end of function prologue when
617 frame pointer is used to access red zone area. Do not emit blockage
618 when profiling, it is emitted in generic code.
619 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
620 function epilogue when frame pointer is used to access red zone area.
622 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
625 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
626 by arithmetic with memory operands.
627 * config/i386/predicates.md (commutative_operator): New.
629 2009-02-10 Janis Johnson <janis187@us.ibm.com>
631 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
634 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
636 * alias.h (record_alias_subset): Declare.
637 * alias.c (record_alias_subset): Make global.
639 2009-02-10 Nick Clifton <nickc@redhat.com>
641 * tree-parloops.c: Change license to GPLv3.
642 * ipa-struct-reorg.c: Change license to GPLv3.
643 * ipa-struct-reorg.h: Change license to GPLv3.
645 2009-02-10 Steve Ellcey <sje@cup.hp.com>
648 * c-decl.c (start_struct): Return NULL on error.
650 2009-02-10 Jakub Jelinek <jakub@redhat.com>
653 * cfgloopmanip.c (remove_path): Call remove_bbs after
654 cancel_loop_tree, not before it.
657 * function.h (struct function): Add has_local_explicit_reg_vars bit.
658 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
660 * tree-ssa-live.c (remove_unused_locals): Recompute
661 cfun->has_local_explicit_reg_vars.
662 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
663 copies or clearings if cfun->has_local_explicit_reg_vars.
665 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
668 * config/i386/i386.c (expand_prologue): Emit blockage at the end
669 of function prologue when frame pointer is used to access
672 2009-02-10 Richard Guenther <rguenther@suse.de>
675 * gimplify.c (gimple_regimplify_operands): Always look if
676 we need to create a temporary.
678 2009-02-10 Richard Guenther <rguenther@suse.de>
680 PR tree-optimization/39132
681 * tree-loop-distribution.c (todo): New global var.
682 (generate_memset_zero): Trigger TODO_rebuild_alias.
683 (tree_loop_distribution): Return todo.
685 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
688 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
689 (x86_64_reg_class_name): Removed.
690 (classify_argument): Return 0 if bytes > 32. Return 0 if the
691 first one isn't X86_64_SSE_CLASS or any other ones aren't
692 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
693 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
694 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
695 and 3 X86_64_SSEUP_CLASS.
696 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
697 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
699 2009-02-10 Ben Elliston <bje@au.ibm.com>
701 * config/rs6000/rs6000.md (allocate_stack): Always use an update
702 form instruction to update the stack back chain word, even if the
703 user has disabled the generation of update instructions.
704 (movdi_<mode>_update_stack): New.
705 (movsi_update_stack): Likewise.
706 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
707 always use an update form instruction to update the stack back
710 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
713 * graphite.c (if_region_set_false_region): After moving a region in
714 the false branch of a condition, remove the empty dummy basic block.
715 (gloog): Remove wrong fix for PR38953.
717 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
719 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
720 generation due to implicit sign extension.
722 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
725 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
726 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
728 2009-02-09 Richard Guenther <rguenther@suse.de>
731 * convert.c (convert_to_real): Disable (float)fn((double)x)
732 to fnf(x) conversion if errno differences may occur and
735 2009-02-07 Anatoly Sokolov <aesok@post.ru>
737 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
738 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
739 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
741 2009-02-06 Joseph Myers <joseph@codesourcery.com>
744 * c-common.c (handle_alias_attribute): Disallow attribute for
745 anything not a FUNCTION_DECL or VAR_DECL.
747 2009-02-06 Janis Johnson <janis187@us.ibm.com>
750 * real.c (do_compare): Special-case compare of zero against
753 2009-02-06 Joseph Myers <joseph@codesourcery.com>
756 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
757 as indicating flexible array members unless the field itself is
758 being declarared as the incomplete array.
760 2009-02-06 Jan Hubicka <jh@suse.cz>
762 PR tree-optimization/38844
763 * ipa-inline.c (try_inline): Stop inlining recursion when edge
766 2009-02-06 Richard Guenther <rguenther@suse.de>
769 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
770 fork because we may expand it as __gcov_fork.
772 2009-02-06 Nick Clifton <nickc@redhat.com>
774 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
776 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
778 PR tree-optimization/35659
779 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
780 vn_phi_eq): Shortcut if hashcode does not match.
781 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
783 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
784 and avoid iterative_hash_expr.
785 (FOR_EACH_VALUE_ID_IN_SET): New.
786 (value_id_compare): Remove.
787 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
788 sort expressions by value id.
790 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
793 * config/sh/predicates.md (general_movsrc_operand): Don't check
794 the subreg of system registers here.
796 2009-02-05 Jakub Jelinek <jakub@redhat.com>
799 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
802 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
804 PR rtl-optimization/39110
805 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
806 addresses, not aligned ones.
808 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
809 Richard Guenther <rguenther@suse.de>
811 PR tree-optimization/39100
812 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
813 comment says and add edges.
815 2009-02-05 Joseph Myers <joseph@codesourcery.com>
818 * c-common.c (handle_tls_model_attribute): Ignore attribute for
819 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
821 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
823 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
824 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
825 register_bb_in_sese, new_sese, free_sese): Moved.
826 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
827 outermost_loop_in_scop, build_scop_iteration_domain,
828 expand_scalar_variables_ssa_name, get_vdef_before_scop,
829 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
830 Use loop_in_sese_p instead of loop_in_scop_p.
831 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
832 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
833 (scopdet_basic_block_info): Fix bug in scop detection.
834 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
835 eq_loop_to_cloog_loop): Remove.
836 (nb_loops_around_loop_in_scop, nb_loop
837 ref_nb_loops): Moved here...
838 * graphite.h (ref_nb_loops): ... from here.
839 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
840 (loop_domain_dim, loop_iteration_vector_dim): Remove.
841 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
842 * testsuite/gcc.dg/graphite/scop-19.c: New
844 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
845 Hans-Peter Nilsson <hp@axis.com>
847 PR rtl-optimization/37889
848 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
849 Move offset handling from PLUS to before the switch. Use new
850 arguments when considering SYMBOL_REFs too.
851 (rtx_addr_can_trap_p): Pass dummy offset and size.
852 (enum may_trap_p_flags): Remove.
853 (may_trap_p_1): Pass size from MEM_SIZE.
855 PR rtl-optimization/38921
856 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
857 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
858 * rtlanal.c (may_trap_after_code_motion_p): Delete.
859 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
861 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
863 AVX Programming Reference (January, 2009)
864 * config/i386/sse.md (*vpclmulqdq): New.
866 2009-02-04 Jakub Jelinek <jakub@redhat.com>
868 PR tree-optimization/38977
869 PR gcov-profile/38292
870 * calls.c (special_function_p): Disregard __builtin_ prefix.
872 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
874 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
875 non-indexable addresses even before reload.
877 2009-02-03 Joseph Myers <joseph@codesourcery.com>
880 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
881 as having variable size. Do not give an error for unnamed
882 parameters with [*] declarators. Give a warning for type names
883 with [*] declarators and mark them as variable size.
884 * c-parser.c (c_parser_sizeof_expression): Do not give an error
885 for sizeof applied to [*] type names.
887 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
890 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
892 2009-02-03 Jakub Jelinek <jakub@redhat.com>
894 * gcc.c (process_command): Update copyright notice dates.
895 * gcov.c (print_version): Likewise.
896 * gcov-dump.c (print_version): Likewise.
897 * mips-tfile.c (main): Likewise.
898 * mips-tdump.c (main): Likewise.
900 2009-02-03 Joseph Myers <joseph@codesourcery.com>
903 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
904 for composite type involving a zero-length array type.
906 2009-02-03 Jakub Jelinek <jakub@redhat.com>
909 * function.c (match_asm_constraints_1): Skip over
910 initial optional % in the constraint.
913 * c-parser.c (c_parser_postfix_expression): If fixed point is not
914 supported, don't accept FIXED_CSTs.
915 * c-decl.c (finish_declspecs): Error if fixed point is not supported
916 and _Sat is used without _Fract/_Accum. Set specs->type to
917 integer_type_node for cts_fract/cts_accum if fixed point is not
920 2009-02-02 Catherine Moore <clm@codesourcery.com>
922 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
924 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
926 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
927 (ABI_HAS_64BIT_SYMBOLS): Use it.
928 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
930 2009-02-02 Paul Brook <paul@codesourcery.com>
932 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
934 2009-02-02 Jakub Jelinek <jakub@redhat.com>
937 * recog.h (asm_operand_ok): Add constraints argument.
938 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
939 recurse on matching constraint.
940 (check_asm_operands): Pass constraints as 3rd argument to
941 asm_operand_ok. Don't look up matching constraint here.
942 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
945 2009-02-02 Ben Elliston <bje@au.ibm.com>
947 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
948 TARGET_NARROW_VOLATILE_BITFIELD macro names.
950 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
952 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
953 information. Remove some obsolete information. Reorganize.
955 * config/pa/fptr.c: Revert license to GPL 2.
956 * config/pa/milli64.S: Likewise.
958 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
961 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
962 LIBRARY name in, instead of hard-coding it.
963 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
964 extra target make frag to tmake_files according to EH model.
965 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
966 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
967 frags that define makefile variable EH_MODEL appropriately.
968 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
969 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
970 to "-sjlj" according to type of EH configured.
971 (LIBGCC_SONAME): Concatenate it to shared library base name.
972 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
973 to "_sjlj" according to type of EH configured.
974 (LIBGCC_SONAME): Concatenate it to shared library base name.
975 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
976 (SHLIB_LINK): Add missing semicolon to if-else construct.
977 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
978 string value of "pe_dll" command-line option.
979 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
980 (SHLIB_SONAME): Use it when overriding t-cygming default.
981 (SHLIB_IMPLIB): Override t-cygming default.
982 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
983 string value of "pe_dll" command-line option.
985 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
988 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
989 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
991 2009-01-31 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/38937
994 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
995 computing the transitive closure.
997 2009-01-30 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/39041
1000 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1001 Propagate variable indices only if the types match for this stmt.
1003 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1006 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1007 inline but never defined.
1009 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1011 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1012 (*insv_h_di_reg_extimm): New insn.
1013 (*insv_l<mode>_reg_extimm): New insn.
1015 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1017 * config/picochip/picochip.c (flag_conserve_stack): set
1018 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1019 fconserve-stack. Reduce call-overhead used by inliner.
1021 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1024 * common.opt (flag_conserve_stack): Initialised to zero.
1026 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1029 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1030 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1033 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1035 * ira-color.c (allocno_reload_assign): Update comments.
1036 * regmove.c (regmove_optimize): Likewise.
1040 2009-01-29 Robert Millan <rmh@aybabtu.com>
1042 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1043 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1044 `MD_UNWIND_SUPPORT'.
1045 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1047 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1049 PR tree-optimization/39007
1050 * tree-loop-distribution.c (generate_builtin): Use
1051 recompute_dominator to compute the immediate dominator of the
1052 basic block just after the loop.
1054 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1056 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1057 (ASM_OUTPUT_DWARF_PCREL): Define.
1059 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1061 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1062 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1063 global. Modify entries about regmove and IRA.
1065 * ra-conflict.c: Remove the file.
1067 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1069 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1070 (pass_regclass_init): Rename to pass_reginfo_init.
1072 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1074 * toplev.h (flag_ira): Remove.
1076 * caller-save.c (setup_save_areas): Remove flag_ira.
1078 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1080 * global.c: Remove the file.
1082 * opts.c: (decode_options): Remove flag_ira.
1084 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1086 * regmove.c: Modify file description.
1087 (find_use_as_address, try_auto_increment): Define them only if
1088 AUTO_INC_DEC is defined.
1089 (replacement_quality, replace_in_call_usage, fixup_match_1,
1090 stable_and_no_regs_but_for_p): Remove.
1091 (reg_set_in_bb): Make it static.
1092 (regmove_optimize): Remove flag_ira and code which worked for
1095 * local-alloc.c: Remove the file.
1097 * common.opt (fira): Remove.
1099 * ira.c: Include except.h.
1100 (eliminable_regset): Move from global.c.
1101 (mark_elimination): Ditto. Remove flag_ira.
1102 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1103 equiv_mem_modified, validate_equiv_mem_from_store,
1104 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1105 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1106 no_equiv, recorded_label_ref): Move from local-alloc.c.
1107 (update_equiv_regs): Ditto. Make it static.
1108 (print_insn_chain, print_insn_chains): Move it from global.c.
1109 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1110 (build_insn_chain): Ditto. Make it static.
1111 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1112 Rename to init_live_subregs.
1113 (gate_ira): Remove flag_ira.
1115 * regclass.c: Rename reginfo.c. Change file description.
1116 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1117 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1118 (init_reg_sets_1): Remove code for evaluation of
1119 reg_class_superclasses and losing_caller_save_reg_set.
1120 (init_regs): Remove init_reg_autoinc.
1121 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1122 ok_for_base_p_nonstrict): Remove.
1123 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1124 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1125 corresponding entries.
1126 (dump_regclass, record_operand_costs, scan_one_insn,
1127 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1128 record_address_regs, auto_inc_dec_reg_p): Remove.
1129 (gt-regclass.h): Rename to gt-reginfo.h.
1131 * rtl.h (dump_global_regs, retry_global_alloc,
1132 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1134 * Makefile.in (RA_H): Remove.
1135 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1136 Rename regclass.o to reginfo.o.
1137 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1139 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1140 (GTFILES): Rename regclass.c to reginfo.c.
1142 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1143 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1145 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1146 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1148 (finish_spills): Ditto. Remove code for !flag_ira.
1150 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1153 * doc/invoke.texi (rtl debug options): Complete rewrite.
1154 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1156 * mode-switching.c (pass_mode_switching): Rename pass from
1157 "mode-sw" to "mode_sw".
1158 * except.c (pass_convert_to_eh_ranges): Rename pass from
1159 "eh-ranges" to "eh_ranges".
1160 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1164 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1165 Alexander Monakov <amonakov@ispras.ru>
1168 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1170 (move_exprs_to_boundary): Change return type and pass through
1171 should_move from move_op. Relax assert. Update usage ...
1172 (schedule_expr_on_boundary): ... here. Use should_move instead of
1174 (move_op_orig_expr_found): Indicate that insn was disconnected from
1176 (code_motion_process_successors): Do not call after_merge_succs
1177 callback if original expression was not found when traversing any of
1179 (code_motion_path_driver): Change return type. Update prototype.
1180 (move_op): Update comment. Add a new parameter (should_move). Update
1181 prototype. Set *should_move based on indication provided by
1182 move_op_orig_expr_found.
1184 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1186 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1187 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1188 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1189 * config/rs6000/rs6000.c (rs6000_override_options): Default
1190 avoid-indexed-addresses on for Power6, off for everything else.
1191 (avoiding_indexed_address_p): New function.
1192 (rs6000_legitimize_address): Use it.
1193 (rs6000_legitimate_address): Likewise.
1194 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1196 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1198 PR tree-optimization/38997
1199 * tree-loop-distribution.c (generate_memset_zero): Use
1200 POINTER_PLUS_EXPR for a pointer addition.
1202 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1204 * config/s390/s390.md (bswap<mode>2): New pattern added.
1206 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1208 * config/s390/s390.md (*tls_load_31): Added type attribute.
1210 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1212 * config/s390/s390.md: Fix a few comments.
1214 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1216 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1217 (*tm<mode>_full): Fixed z10prop attribute.
1218 (*tst<mode>_extimm): Fixed z10prop attribute.
1219 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1220 (*tstqiCCT_cconly): Fixed z10prop attribute.
1221 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1222 (*movsi_larl): Fixed z10prop attribute.
1223 (*movsi_zarch): Fixed z10prop attribute.
1224 (*movsi_eas): Fixed z10prop attribute.
1225 (*movhi): Fixed z10prop attribute.
1226 (*movqi): Fixed z10prop attribute.
1227 (*movstrictqi): Fixed z10prop attribute.
1228 (*mov<mode>): Fixed z10prop attribute.
1229 (*movcc): Fixed z10prop attribute.
1230 (*sethighpartdi_64): Fixed z10prop attribute.
1231 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1232 (*negdi2_sign_cc): Fixed z10prop attribute.
1233 (*negdi2_sign): Fixed z10prop attribute.
1234 (*absdi2_sign_cc): Fixed z10prop attribute.
1235 (*absdi2_sign): Fixed z10prop attribute.
1236 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1237 (*negabsdi2_sign): Fixed z10prop attribute.
1238 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1239 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1240 (doloop_si64): Fixed z10prop attribute.
1241 (doloop_si31): Fixed z10prop attribute.
1242 (doloop_long): Fixed z10prop attribute.
1243 (indirect_jump): Fixed z10prop attribute.
1244 (nop): Fixed z10prop attribute.
1245 (main_base_64): Fixed z10prop attribute.
1246 (reload_base_64): Fixed z10prop attribute.
1248 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1250 PR rtl-optimization/38740
1251 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1253 * config/mips/mips.c (mips_reorg): Likewise.
1255 2009-01-28 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/38926
1258 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1259 with the correct value id to a value.
1260 (do_regular_insertion): Use the value number of edoubleprime
1261 for the value number of the expr.
1264 2008-08-21 Richard Guenther <rguenther@suse.de>
1266 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1267 a PHI ask VN if it is already available.
1268 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1269 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1271 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1274 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1275 set to varying whenever max has TREE_OVERFLOW set, similarly
1276 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1278 2009-01-28 Richard Guenther <rguenther@suse.de>
1281 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1282 uninitialized aggregate uses in call arguments.
1284 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1286 PR tree-optimization/38984
1287 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1288 the nothing_id variable if -fno-delete-null-pointer-checks.
1290 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1293 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1294 (set_got_offset_rex64): Ditto.
1296 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1299 * doc/extend.texi: Improve local variable with asm reg.
1301 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1303 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1304 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1305 was not supplied then set warn_packed_bitfield_compat to the
1307 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1310 2009-01-27 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/38503
1313 * cfgexpand.c (expand_gimple_basic_block): Ignore
1314 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1315 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1316 variables that cannot have TBAA applied.
1317 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1320 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1323 * calls.c (initialize_argument_information): Do not wrap complex
1324 arguments in SAVE_EXPR.
1326 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1328 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1329 (INSTALL_LIBGCC): Revert typo commit.
1331 2009-01-26 Richard Guenther <rguenther@suse.de>
1333 PR tree-optimization/38745
1334 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1335 from special handling.
1337 2009-01-26 Richard Guenther <rguenther@suse.de>
1339 PR tree-optimization/38745
1340 * tree-ssa.c (execute_update_addresses_taken): Do not include
1341 variables that cannot possibly be a register in not_reg_needs.
1342 Do not clear TREE_ADDRESSABLE on vars that may not become
1344 * tree-ssa.c (update_alias_info_1): Include those in the set
1345 of addressable vars.
1347 2009-01-26 Richard Guenther <rguenther@suse.de>
1350 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1351 * tree-ssa-dse.c: Include langhooks.h
1352 (execute_simple_dse): Remove stores with zero size.
1354 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1357 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1360 2009-01-24 Julian Brown <julian@codesourcery.com>
1362 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1363 config/arm/linux-atomic.c.
1364 * config/arm/linux-atomic.c: New.
1366 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1368 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1369 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1370 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1372 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1375 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1378 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1380 PR tree-optimization/38953
1381 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1382 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1383 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1384 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1387 2009-01-24 Paul Brook <paul@codesourcery.com>
1389 * config/arm/neon.md (neon_type): Move to arm.md.
1390 (neon_mov<VSTRUCT>): Add neon_type attribute.
1391 * config/arm/arm.md (neon_type): Move to here.
1392 (conds): Add "unconditioal" and use as default for NEON insns.
1394 2009-01-24 Ben Elliston <bje@au.ibm.com>
1396 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1397 void *' warning from -Wc++-compat.
1398 * Makefile.in (dominance.o-warn): Remove.
1400 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1402 PR tree-optimization/38932
1403 * fold-const.c (fold_unary_ignore_overflow): New.
1404 * tree.h (fold_unary_ignore_overflow): Declare.
1405 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1406 * tree-ssa-sccvn.c (visit_reference_op_load,
1407 simplify_unary_expression): Likewise.
1409 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1411 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1412 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1413 regardless of their type.
1414 * c-common.c (handle_packed_attribute): Don't ignore packed on
1416 * c.opt (Wpacked-bitfield-compat): New warning option.
1417 * stor-layout.c (place_field): Warn if offset of a field changed.
1418 * doc/extend.texi (packed): Mention the ABI change.
1419 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1420 (Warning Options): Add it to the list.
1422 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1424 * c-opts.c (c_common_post_options): Fix a typo in comments.
1426 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1429 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1430 variables to static.
1431 * doc/invoke.texi (-fmerge-all-constants): Update description.
1433 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1436 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1437 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1439 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1441 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1443 (LOCAL_ALIGNMENT): Similarly.
1445 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1446 Joseph Myers <joseph@codesourcery.com>
1448 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1449 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1450 * config/arm/arm-tune.md: Regenerate.
1451 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1454 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1456 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1457 version number to five.
1459 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1462 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1463 * c-common.c (set_underlying_type): Likewise.
1464 (is_typedef_decl ): Likewise
1466 (set_underlying_type): Likewise.
1467 (is_typedef_type): Likewise.
1469 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1472 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1475 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1478 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1479 (LIBGCC_SPEC): Don't define.
1480 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1482 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1484 PR rtl-optimization/38879
1485 * alias.c (base_alias_check): Unaligned access via AND address can
1486 alias all surrounding object types except those with sizes equal
1487 or wider than the size of unaligned access.
1489 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1492 * c-decl.c: (clone_underlying_type): Move this ...
1493 * c-common.c (set_underlying_type): ... here.
1494 Also, make sure the function properly sets TYPE_STUB_DECL() on
1495 the newly created typedef variant type.
1496 (is_typedef_decl ): New entry point.
1497 * tree.h: Added a new member member_types_needing_access_check to
1498 struct tree_decl_non_common.
1499 (set_underlying_type): New entry point.
1500 (is_typedef_type): Likewise.
1502 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1504 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1505 Check whether two instructions have memory references that
1506 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1507 are helper functions for traversing.
1508 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1509 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1510 not to draw dependency edge for instructions with non-conflicting
1513 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1516 * longlong.h: Update copyright years. Use soft-fp license notice.
1517 Sync __clz_tab declaration with glibc.
1519 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1522 * doc/extend.texi (syscall_linkage): New.
1523 (version_id): Modify.
1525 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1526 Richard Guenther <rguenther@suse.de>
1528 PR tree-optimization/38747
1529 PR tree-optimization/38748
1530 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1531 conversion if the base address is an indirect reference and the
1532 aliasing sets could cause issues.
1534 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1536 * common.opt (fgraphite, fgraphite-identity): Add comment for
1537 explaining why these options are not documented.
1539 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1541 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1542 gimple_call_lhs is NULL.
1544 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1547 * emit-rtl.c (adjust_address_1): Make sure memref is never
1550 2009-01-20 Ben Elliston <bje@au.ibm.com>
1552 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1553 const qualifier from arg parameter. Remove unnecessary cast to char *.
1554 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1555 const qualifier from arg 2.
1557 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1559 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1561 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1564 * rtl.h (reinit_regs): New prototype.
1565 * regclass.c: Include ira.h.
1567 * Makefile.in (regclass.o): Add ira.h.
1568 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1570 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1573 * c-common.c (handle_aligned_attribute): Use
1574 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1575 default alignment value.
1577 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1579 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1580 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1582 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1583 __BIGGEST_ALIGNMENT__.
1585 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1587 2009-01-18 Richard Guenther <rguenther@suse.de>
1589 PR tree-optimization/38819
1590 * tree-flow.h (operation_could_trap_helper_p): Declare.
1591 * tree-eh.c (operation_could_trap_helper_p): Export.
1592 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1593 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1594 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1595 are about to insert a possibly trapping instruction and fail
1598 2009-01-18 Andreas Schwab <schwab@suse.de>
1600 * doc/install.texi (Configuration): Remove obsolete paragraph
1601 about use of --with-gnu-ld with --with-gnu-as.
1603 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1605 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1606 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1607 Follow spelling conventions.
1609 2009-01-18 Ben Elliston <bje@au.ibm.com>
1611 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1612 C++ warning about implicit conversion from void * to struct
1614 (bitmap_obstack_free): Likewise for bitmap_element *.
1615 * Makefile.in (bitmap.o-warn): Remove.
1617 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1619 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1621 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1622 Tobias Grosser <tobi.grosser@amd.com>
1624 * graphite.c (graphite_trans_scop_block): Do not block single
1627 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1629 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1630 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1631 test with assertion.
1633 2009-01-16 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/38835
1637 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1638 and INT + PTR -> (INT)(PTR p+ INT) folding.
1639 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1641 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1644 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1645 the subreg from a lowpart subreg if it is also casting the value.
1647 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1648 Tobias Grosser <tobi.grosser@amd.com>
1650 * graphite.c (compare_prefix_loops): New.
1651 (build_scop_canonical_schedules): Rewritten.
1652 (graphite_transform_loops): Move build_scop_canonical_schedules
1653 after build_scop_iteration_domain.
1655 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1656 Tobias Grosser <tobi.grosser@amd.com>
1658 * graphite.c (add_conditions_to_domain): Add the loops to
1659 the dimension of the iteration domain. Do copy the domain
1660 only when it exists.
1661 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1662 (add_conditions_to_constraints): New.
1663 (can_generate_code_stmt, can_generate_code): Removed.
1664 (gloog): Do not call can_generate_code.
1665 (graphite_transform_loops): Call add_conditions_to_constraints
1666 after building the iteration domain.
1668 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1670 PR tree-optimization/38789
1671 * tree-ssa-threadedge.c
1672 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1673 __builtin_constant_p.
1675 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1677 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1678 examined before deleting them.
1680 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1682 * function.c (aggregate_value_p): Correctly extract the function
1683 type from CALL_EXPR_FN lookup.
1685 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1687 * config/picochip/picochip.c (picochip_override_options): Revert
1688 CFI asm flag disable commited previously.
1690 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1691 Tobias Grosser <tobi.grosser@amd.com>
1692 Jan Sjodin <jan.sjodin@amd.com>
1694 * graphite.c (scan_tree_for_params): On substractions negate
1695 all the coefficients of the term.
1696 (clast_to_gcc_expression_red): New. Handle reduction expressions
1697 of more than two operands.
1698 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1699 (get_vdef_before_scop): Handle also the case of default definitions.
1701 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1703 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1704 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1705 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1707 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1708 Joey Ye <joey.ye@intel.com>
1711 * cfgexpand.c (expand_stack_alignment): Don't update stack
1712 boundary nor check incoming stack boundary here.
1713 (gimple_expand_cfg): Update stack boundary and check incoming
1714 stack boundary here.
1716 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1718 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1720 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1722 PR rtl-optimization/38245
1723 * calls.c (expand_call): Add stack arguments to
1724 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1725 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1726 in regs and partially in memory or BLKmode arguments.
1727 (emit_library_call_value_1): Add stack arguments to
1728 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1729 ACCUMULATE_OUTGOING_ARGS).
1730 * dce.c: Include tm_p.h.
1731 (find_call_stack_args): New function.
1732 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1734 (mark_insn): Call find_call_stack_args for CALL_Ps.
1735 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1736 forwards. Allocate and free arg_stores bitmap if needed, pass it
1737 down to deletable_insn_p, don't mark stores set in arg_stores
1738 bitmap, clear the bitmap at the beginning of each bb.
1739 * Makefile.in (dce.o): Depend on $(TM_P_H).
1741 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1744 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1745 to make sure the insn is a conditional test (bug 22599). Reformat a
1748 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1751 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1752 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1753 (gloog): Do not call cleanup_tree_cfg.
1754 (graphite_transform_loops): Call cleanup_tree_cfg after all
1755 scops have been code generated.
1757 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1758 * doc/gty.texi (Invoking the garbage collector): Added new node
1759 and section documenting ggc_collect.
1761 2009-01-14 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/38826
1765 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1766 initialization notes only if we actually emitted a warning.
1767 (intra_create_variable_infos): Add constraints for a result decl
1768 that is passed by hidden reference.
1769 (build_pred_graph): Mark all related variables non-direct on
1772 2009-01-14 Nick Clifton <nickc@redhat.com>
1774 * ira-conflicts.c: Include addresses.h for the definition of
1776 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1777 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1779 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1782 * Makefile.in (ira-lives.o): Add except.h.
1784 * ira-lives.c: Include except.h.
1785 (process_bb_node_lives): Process can_throw_internal.
1787 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1789 PR rtl-optimization/38774
1790 * combine.c (simplify_set): When undoing cc_use change, don't do
1791 PUT_CODE on the newly created comparison, but instead put back the
1794 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1796 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1797 values. Remove duplicate arm8 entry.
1799 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1801 PR tree-optimization/38786
1802 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1803 the SSA_NAME case of expand_scalar_variables_expr.
1804 Set the type of an expression to the type of its assign statement.
1805 (expand_scalar_variables_expr): Also gather the scalar computation
1806 used to index the memory access. Do not pass loop_p.
1807 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1808 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1809 the gimple_stmt_iterator where it inserts new code.
1811 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1812 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1814 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1816 * graphite.h (debug_value): Removed.
1817 * graphite.c (debug_value): Removed.
1819 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1821 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1822 ldrd/strd with two 32-bit instructions.
1824 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1826 * config/arm/arm.c (struct processors): Pass for speed down into
1827 cost helper functions.
1828 (const_ok_for_op): Handle COMPARE and inequality nodes.
1829 (arm_rtx_costs_1): Rewrite.
1830 (arm_size_rtx_costs): Update prototype.
1831 (arm_rtx_costs): Pass speed down to helper functions.
1832 (arm_slowmul_rtx_costs): Rework cost calculations.
1833 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1834 (arm_9e_rtx_costs): Likewise.
1836 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1838 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1839 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1840 (alpha_legitimize_address): Do not split local symbols wider than
1841 UNITS_PER_WORD into HIGH/LO_SUM parts.
1843 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1846 * gcc.c (process_command): Replace call to execvp with calls
1847 to pex_one and exit.
1849 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1852 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1853 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1854 variant for devices with 3-byte PC.
1855 (__tablejump_elpm__) : New.
1857 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1860 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1861 offsetof member-designator, handle it as `[0].'.
1863 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1865 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1866 function when not using named sections on targets with named sections
1867 if branch distance is less than 262132.
1869 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1871 * combine.c (combine_instructions): Recompute
1872 optimize_this_for_speed_p for each BB in the main combine loop.
1874 2009-01-12 Tomas Bily <tbily@suse.cz>
1877 * tree-loop-distribution.c (prop_phis): New function.
1878 (generate_builtin): Call prop_phis.
1879 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1881 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1883 PR tree-optimization/38807
1884 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1885 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1887 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1889 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1890 subreg of op0 to the original op0.
1892 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1894 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1896 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1899 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1900 starting with digits.
1902 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1905 * config/arm/arm.c (arm_is_long_call_p): Don't call
1906 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1908 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1910 * regrename.c (regrename_optimize): Fix dumping.
1911 (find_oldest_value_reg): Preserve REG_POINTER.
1912 (copy_hardreg_forward_1): Likewise.
1914 2009-01-09 Diego Novillo <dnovillo@google.com>
1916 * gimple.h (struct gimple_statement_base) <uid>: Document
1917 the restrictions on its use.
1919 (gimple_set_uid): Tidy.
1921 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1923 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1924 zero guard even if align_bytes != 0 and count is smaller than
1927 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1929 PR rtl-optimization/38495
1930 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1931 (add_range_and_copies_from_move_list): Print all added ranges.
1932 Add ranges to memory optimized destination.
1934 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1938 * config/i386/i386.c (override_options): Reject
1939 -mstringop-strategy=rep_8byte with -m32.
1940 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1941 to 1. Do count comparison against epilogue_size_needed at compile
1942 time even when count_exp was constant forced into register. For
1943 size_needed don't jump to epilogue, instead just avoid aligning
1944 and invoke the body algorithm. If need_zero_guard, add zero guard
1945 even if count is non-zero, but smaller than size_needed + number of
1946 bytes that could be stored for alignment.
1947 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1948 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1949 but smaller than size_needed + number of bytes that could be stored
1950 for alignment. Compare size_needed with epilogue_size_needed instead
1951 of desired_align - align, don't adjust size_needed, pass
1952 epilogue_size_needed to the epilogue expanders.
1955 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1957 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1959 * pa.c (last_address): Change to unsigned.
1960 (update_total_code_bytes): Change argument to unsigned. Don't
1961 check if insn addresses are set.
1962 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1963 addresses are not set.
1964 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1966 2009-01-09 Nick Clifton <nickc@redhat.com>
1968 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1969 DECL_DECLARED_INLINE_P.
1971 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1974 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1975 GET_MODE (op0) in operand_subword_force calls.
1978 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1979 fold_convert arg0 operands to TREE_TYPE (op0) first.
1981 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1983 * params.def (ira-max-conflict-table-size): Decrease default value
1986 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1988 PR tree-optimization/37031
1989 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1991 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1992 allocate it using gc instead of heap, use VEC_quick_push instead of
1994 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1995 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1996 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1997 allocated vector from heap allocated.
1998 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1999 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2000 vector only after perfect_loop_nest_depth call.
2002 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2003 Jan Sjodin <jan.sjodin@amd.com>
2005 PR tree-optimization/38559
2006 * graphite.c (debug_value, copy_constraint,
2007 swap_constraint_variables, scale_constraint_variable, ): New.
2008 (get_lower_bound, get_upper_bound): Removed.
2009 (graphite_trans_bb_strip_mine): Clean up this code that works
2010 only for constant number of iterations. Fully copy upper and
2011 lower bound constraints, not only the constant part of them.
2012 * graphite.h (debug_value): Declared.
2014 2009-01-08 Ira Rosen <irar@il.ibm.com>
2016 PR tree-optimization/37194
2017 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2018 Don't add the cost of cost model guard in prologue to scalar
2019 outside cost in case of known number of iterations.
2021 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2022 Alan Modra <amodra@bigpond.net.au>
2024 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2025 non-word-aligned REG+CONST addressing.
2027 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2030 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2031 free_after_compilation when outputting a thunk.
2032 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2033 Do not call free_after_compilation here.
2035 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2037 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2038 (ix86_valid_target_attribute_inner_p): Ditto.
2040 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2042 PR tree-optimization/38492
2043 PR tree-optimization/38498
2044 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2045 * tree-chrec.h (scev_is_linear_expression): Declared.
2046 * graphite.c (graphite_cannot_represent_loop_niter): New.
2047 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2048 (graphite_loop_normal_form): Use gcc_assert.
2049 (scan_tree_for_params): Use CASE_CONVERT.
2050 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2051 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2052 Use gcc_assert. Discard scops that contain unhandled cases.
2053 (build_scop_conditions): Return a boolean status for unhandled cases.
2054 (strip_mine_profitable_p): Print the loop number, not its depth.
2055 (is_interchange_valid): Pass the depth of the loop nest, don't
2056 recompute it wrongly.
2057 (graphite_trans_bb_block): Same.
2058 (graphite_trans_bb_block): Print tentative of loop blocking.
2059 (graphite_trans_scop_block): Do not print that the loop has been
2061 (graphite_transform_loops): Do not handle scops that contain condition
2064 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2066 AVX Programming Reference (December, 2008)
2067 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2068 (_mm256_stream_pd): Likewise.
2069 (_mm256_stream_ps): Likewise.
2071 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2072 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2073 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2074 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2075 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2076 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2077 (ix86_expand_special_args_builtin): Likewise.
2079 * config/i386/sse.md (AVXMODEDI): New.
2080 (avx_movnt<mode>): Likewise.
2081 (avx_movnt<mode>): Likewise.
2082 (<sse>_movnt<mode>): Remove AVX support.
2083 (sse2_movntv2di): Likewise.
2085 2009-01-07 Richard Guenther <rguenther@suse.de>
2088 * fold-const.c (extract_muldiv): Remove obsolete comment.
2089 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2090 to PLUS_EXPR canonicalization for the canonicalization.
2092 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2094 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2095 hosted cross-compilers generating less efficient code.
2097 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2099 * function.h (rtl_data): Add a dbr_scheduled_p field.
2100 * reorg.c (dbr_schedule): Set it.
2101 (gate_handle_delay_slots): Check it.
2102 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2103 (mips_reorg): Check flag_delayed_branch instead of
2104 mips_base_delayed_branch.
2105 (mips_override_options): Don't set mips_base_delayed_branch
2106 or flag_delayed_branch.
2108 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2110 PR rtl-optimization/38426.
2111 * ira.c (ira): Set current_function_is_leaf earlier.
2113 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2115 PR rtl-optimization/38722
2116 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2117 too early, only set a flag and modify after last possible
2120 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2123 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2124 * real.c (decimal_single_format): Correct values of emin and emax.
2125 (decimal_double_format): Ditto.
2126 (decimal_quad_format): Ditto.
2127 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2128 computation of DECnn_MIN and DECnn_MAX for corrected values of
2129 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2130 __DECnn_MIN__, and adjust its computation for the corrected value
2133 2009-01-06 Jan Hubicka <jh@suse.cz>
2136 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2138 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2140 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2141 Add Robert Clark to the list of testers.
2143 2009-01-06 Jan Hubicka <jh@suse.cz>
2144 Kai Tietz <kai.tietz@onevision.com>
2146 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2147 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2149 2009-01-06 Jan Hubicka <jh@suse.cz>
2150 Kai Tietz <kai.tietz@onevision.com>
2152 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2154 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2155 (ix86_nsaved_regs): Count only general purpose regs.
2156 (ix86_nsaved_sseregs): New.
2157 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2158 to 16 for w64; compute padding and size of sse reg save area.
2159 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2160 general purpose regs.
2161 (ix86_emit_save_sse_regs_using_mov): New.
2162 (ix86_expand_prologue): Save SSE regs if needed.
2163 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2164 (ix86_emit_restore_sse_regs_using_mov): New.
2165 (ix86_expand_epilogue): Save SSE regs if needed.
2167 2009-01-06 Jan Hubicka <jh@suse.cz>
2168 Kai Tietz <kai.tietz@onevision.com>
2170 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2171 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2172 functions when accumulate outgoing args is off.
2174 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2177 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2178 before using pseudos_have_intersected_live_ranges_p.
2180 * ira-int.h (ira_assert): Always define.
2182 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2184 AVX Programming Reference (December, 2008)
2185 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2186 (_mm256_permute2_pd): Likewise.
2187 (_mm_permute2_ps): Likewise.
2188 (_mm256_permute2_ps): Likewise.
2189 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2190 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2192 * config/i386/i386.c (ix86_builtins): Remove
2193 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2194 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2195 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2196 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2197 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2198 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2199 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2200 __builtin_ia32_vpermil2ps256.
2201 (ix86_init_mmx_sse_builtins): Updated.
2202 (ix86_expand_args_builtin): Likewise.
2204 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2206 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2207 long absolute calls when generating PA 2.0 code.
2209 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2211 PR rtl-optimization/38583
2212 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2214 * params.def (ira-max-conflict-table-size): New.
2216 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2218 * ira.h (ira_conflicts_p): New external definition.
2220 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2221 table. Report this. Return result of building.
2222 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2223 building conflict table.
2225 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2226 (ira_color): Use ira_conflicts_p.
2228 * global.c: Include ira.h.
2229 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2232 * Makefile.in (global.o): Add ira.h.
2234 * ira-build.c (mark_all_loops_for_removal,
2235 propagate_some_info_from_allocno): New.
2236 (remove_unnecessary_allocnos): Call
2237 propagate_some_info_from_allocno.
2238 (remove_low_level_allocnos): New.
2239 (remove_unnecessary_regions): Add parameter. Call
2240 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2241 parameter to remove_unnecessary_regions.
2242 (ira_build): Remove all regions but root if the conflict table was
2243 not built. Update conflict hard regs for allocnos crossing calls.
2245 * ira.c (ira_conflicts_p): New global.
2246 (ira): Define and use ira_conflicts_p.
2248 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2249 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2250 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2252 2009-01-06 Ben Elliston <bje@au.ibm.com>
2254 * gengtype-lex.l (YY_NO_INPUT): Define.
2256 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2259 * c-common.c (handle_vector_size_attribute): Also reject
2262 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2264 PR tree-optimization/38492
2265 * graphite.c (rename_map_elt, debug_rename_elt,
2266 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2267 rename_map_elt_info, eq_rename_map_elts,
2268 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2269 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2270 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2271 (sese_build_livein_liveouts): New.
2272 (new_sese, free_sese): New.
2273 (new_scop): Call new_sese.
2274 (free_scop): Call free_sese.
2275 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2276 (register_old_new_names): Renamed register_old_and_new_names.
2277 (register_scop_liveout_renames, add_loop_exit_phis,
2278 insert_loop_close_phis, struct igp,
2279 default_liveout_before_guard, add_guard_exit_phis,
2280 insert_guard_phis, copy_renames): New.
2281 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2282 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2283 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2284 (scop_adjust_phis_for_liveouts): New.
2285 (gloog): Call scop_adjust_phis_for_liveouts.
2287 * graphite.h (struct sese): Documented. Added fields liveout,
2289 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2290 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2291 (struct scop): Added field liveout_renames.
2292 (SCOP_LIVEOUT_RENAMES): New.
2294 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2296 PR tree-optimization/38510
2297 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2298 (translate_clast): Call recompute_all_dominators before
2300 (gloog): Call recompute_all_dominators before graphite_verify.
2302 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2303 Jan Sjodin <jan.sjodin@amd.com>
2305 PR tree-optimization/38500
2306 * graphite.c (create_sese_edges): Call fix_loop_structure after
2309 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2311 * config.gcc: Add m32r*-*-rtems*.
2312 * config/m32r/rtems.h: New file.
2314 2009-01-05 Ben Elliston <bje@au.ibm.com>
2316 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2317 (.po.pox): Likewise.
2318 (po/gcc.pot): Likewise.
2320 2009-01-04 David S. Miller <davem@davemloft.net>
2322 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2323 (STARTING_FRAME_OFFSET): Always set to zero.
2325 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2327 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2328 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2329 fixed-point types, and vectors of the same.
2331 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2333 * config/mips/sync.md (*mb_barrier): Rename to...
2334 (*memory_barrier): ...this.
2336 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2338 * doc/extend.texi (Function Attributes): Move @cindex after @item
2339 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2340 and put in alphabetical order. Fix 'target' name and put in order.
2341 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2344 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2346 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2347 (memory_barrier): Expand as unspec instead of unspec_volatile.
2348 Remove mem:BLK from insn operands. Use Pmode scratch register.
2349 (*memory_barrier): Define as unspec instead of unspec_volatile.
2350 Use (match_dup 0) as input operand.
2352 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2353 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2354 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2355 scratch register. Remove operand 1.
2356 (*stbar): Define as unspec instead of unspec_volatile.
2357 Use (match_dup 0) as input operand, remove (const_int 8).
2358 (*membar): Define as unspec instead of unspec_volatile.
2359 Use (match_dup 0) as input operand, remove input operand 2.
2361 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2362 (memory_barrier): Expand as unspec instead of unspec_volatile.
2363 Remove mem:BLK from insn operands. Use Pmode scratch register.
2364 (*memory_barrier): Define as unspec instead of unspec_volatile.
2365 Use (match_dup 0) as input operand.
2367 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2368 Remove mem:BLK from insn operands. Use Pmode scratch register.
2369 Set volatile flag on operand 0.
2370 (*memory_barrier): New insn pattern.
2372 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2374 (*memory_barrier): Use (match_dup 0) as input operand.
2376 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2377 Remove mem:BLK from insn operands. Use Pmode scratch register.
2378 Set volatile flag on operand 0.
2379 (*mb_internal): New insn pattern.
2381 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2383 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2386 * function.c (struct temp_slot): Move to the section of the file
2387 that deals with temp slots. Remove field 'address'.
2388 (temp_slot_address_table): New hash table of address -> temp slot.
2389 (struct temp_slot_address_entry): New struct, items for the table.
2390 (temp_slot_address_compute_hash, temp_slot_address_hash,
2391 temp_slot_address_eq, insert_temp_slot_address): Support functions
2393 (find_temp_slot_from_address): Rewrite to use the new hash table.
2394 (remove_unused_temp_slot_addresses): Remove addresses of temp
2395 slots that have been made available.
2396 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2397 worker function for remove_unused_temp_slot_addresses.
2398 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2399 Add the temp slot address to the address -> temp slot map.
2400 (update_temp_slot_address): Update via insert_temp_slot_address.
2401 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2402 (pop_temp_slots): Likewise.
2403 (init_temp_slots): Allocate the address -> temp slot map, or empty
2404 the map if it is already allocated.
2405 (prepare_function_start): Initialize temp slot processing.
2407 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2410 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2411 Calculate the size of all stack vars assuming no packing of stack
2412 vars will happen, replacing a quadratic algorithm with a linear one.
2414 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2417 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2420 2009-01-03 Diego Novillo <dnovillo@google.com>
2422 * doc/contrib.texi: Update contributions.
2424 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2427 * builtins.c (fold_builtin_memory_op): Give up if either operand
2428 is volatile. Set srctype or desttype to non-qualified version
2432 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2435 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2437 PR rtl-optimization/35805
2438 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2439 problem if fast dce is able to remove any instructions.
2440 * dce.c (dce_process_block): Fix dump message.
2442 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2445 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2447 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2450 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2451 * tree-pretty-print.c (op_code_prio): New function.
2452 (op_prio): No longer static. Use op_code_prio.
2453 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2454 Use op_prio and op_code_prio to determine if () should be
2455 printed around operand(s) or not.
2457 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2458 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2459 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2460 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2461 pp_character instead of pp_string for single letter printing.
2463 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2465 * doc/extend.texi: Fix '#pragma GCC option' typo.
2467 2009-01-02 Richard Guenther <rguenther@suse.de>
2469 * doc/install.texi (--enable-checking): Mention different
2471 (--enable-stage1-checking): Document.
2473 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2476 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2477 case to be an error.
2479 2009-01-02 Ben Elliston <bje@au.ibm.com>
2481 * config/fp-bit.h (pack_d): Constify argument.
2482 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2483 (isnan): Constify argument.
2487 (_fpadd_parts): Constify return type.
2488 (_fpmul_parts): Likewise.
2489 (_fpdiv_parts): Likewise.
2491 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2494 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2495 warn about overwriting initializer with side-effects or
2496 -Woverride-init if !IMPLICIT.
2497 (output_init_element): Likewise. Pass IMPLICIT down to
2499 (process_init_element): Add IMPLICIT argument. Pass it down
2500 to output_init_element.
2501 (push_init_element, pop_init_level, set_designator): Adjust
2502 process_init_element callers.
2503 (set_nonincremental_init, set_nonincremental_init_from_string):
2504 Adjust add_pending_init callers.
2505 (output_pending_init_elements): Adjust output_init_element callers.
2506 * c-tree.h (process_init_element): Adjust prototype.
2507 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2508 process_init_element callers.