1 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
3 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4 Check whether two instructions have memory references that
5 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
6 are helper functions for traversing.
7 * alias.h (insn_alias_sets_confilict_p): New prototypes.
8 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9 not to draw dependency edge for instructions with non-conflicting
12 2009-01-20 Joseph Myers <joseph@codesourcery.com>
15 * longlong.h: Update copyright years. Use soft-fp license
16 notice. Sync __clz_tab declaration with glibc.
18 2009-01-20 Steve Ellcey <sje@cup.hp.com>
21 * doc/extend.texi (syscall_linkage): New.
24 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
25 Richard Guenther <rguenther@suse.de>
27 PR tree-optimization/38747
28 PR tree-optimization/38748
29 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
30 conversion if the base address is an indirect reference and the
31 aliasing sets could cause issues.
33 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
35 * common.opt (fgraphite, fgraphite-identity): Add comment for
36 explaining why these options are not documented.
38 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
40 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
41 gimple_call_lhs is NULL.
43 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
46 * emit-rtl.c (adjust_address_1): Make sure memref is never
49 2009-01-20 Ben Elliston <bje@au.ibm.com>
51 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
52 const qualifier from arg parameter. Remove unnecessary cast to
54 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
55 const qualifier from arg 2.
57 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
59 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
61 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
64 * rtl.h (reinit_regs): New prototype.
65 * regclass.c: Include ira.h.
67 * Makefile.in (regclass.o): Add ira.h.
68 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
70 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
73 * c-common.c (handle_aligned_attribute): Use
74 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
75 default alignment value.
77 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
79 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
80 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
82 * doc/extend.texi: Update __attribute__ ((aligned)). Document
83 __BIGGEST_ALIGNMENT__.
85 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
87 2009-01-18 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/38819
90 * tree-flow.h (operation_could_trap_helper_p): Declare.
91 * tree-eh.c (operation_could_trap_helper_p): Export.
92 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
93 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
94 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
95 are about to insert a possibly trapping instruction and fail
98 2009-01-18 Andreas Schwab <schwab@suse.de>
100 * doc/install.texi (Configuration): Remove obsolete paragraph
101 about use of --with-gnu-ld with --with-gnu-as.
103 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
105 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
106 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
107 Follow spelling conventions.
109 2009-01-18 Ben Elliston <bje@au.ibm.com>
111 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
112 C++ warning about implicit conversion from void * to struct
114 (bitmap_obstack_free): Likewise for bitmap_element *.
115 * Makefile.in (bitmap.o-warn): Remove.
117 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
119 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
121 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
122 Tobias Grosser <tobi.grosser@amd.com>
124 * graphite.c (graphite_trans_scop_block): Do not block single
127 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
129 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
130 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
133 2009-01-16 Richard Guenther <rguenther@suse.de>
135 PR tree-optimization/38835
137 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
138 and INT + PTR -> (INT)(PTR p+ INT) folding.
139 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
141 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
144 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
145 the subreg from a lowpart subreg if it is also casting the value.
147 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
148 Tobias Grosser <tobi.grosser@amd.com>
150 * graphite.c (compare_prefix_loops): New.
151 (build_scop_canonical_schedules): Rewritten.
152 (graphite_transform_loops): Move build_scop_canonical_schedules
153 after build_scop_iteration_domain.
155 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
156 Tobias Grosser <tobi.grosser@amd.com>
158 * graphite.c (add_conditions_to_domain): Add the loops to
159 the dimension of the iteration domain. Do copy the domain
161 (build_scop_conditions_1): Do not call add_conditions_to_domain.
162 (add_conditions_to_constraints): New.
163 (can_generate_code_stmt, can_generate_code): Removed.
164 (gloog): Do not call can_generate_code.
165 (graphite_transform_loops): Call add_conditions_to_constraints
166 after building the iteration domain.
168 2009-01-16 Jakub Jelinek <jakub@redhat.com>
170 PR tree-optimization/38789
171 * tree-ssa-threadedge.c
172 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
173 __builtin_constant_p.
175 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
177 * dce.c (delete_unmarked_insns): Reversed the order that insns are
178 examined before deleting them.
180 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
182 * function.c (aggregate_value_p): Correctly extract the function
183 type from CALL_EXPR_FN lookup.
185 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
187 * config/picochip/picochip.c (picochip_override_options): Revert
188 CFI asm flag disable commited previously.
190 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
191 Tobias Grosser <tobi.grosser@amd.com>
192 Jan Sjodin <jan.sjodin@amd.com>
194 * graphite.c (scan_tree_for_params): On substractions negate
195 all the coefficients of the term.
196 (clast_to_gcc_expression_red): New. Handle reduction expressions
197 of more than two operands.
198 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
199 (get_vdef_before_scop): Handle also the case of default definitions.
201 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
203 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
204 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
205 Also use them when walking CALL_INSN_FUNCTION_USAGE.
207 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
208 Joey Ye <joey.ye@intel.com>
211 * cfgexpand.c (expand_stack_alignment): Don't update stack
212 boundary nor check incoming stack boundary here.
213 (gimple_expand_cfg): Update stack boundary and check incoming
216 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
218 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed
221 2009-01-14 Jakub Jelinek <jakub@redhat.com>
223 PR rtl-optimization/38245
224 * calls.c (expand_call): Add stack arguments to
225 CALL_INSN_FUNCTION_USAGE even for pure calls (when
226 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
227 in regs and partially in memory or BLKmode arguments.
228 (emit_library_call_value_1): Add stack arguments to
229 CALL_INSN_FUNCTION_USAGE even for pure calls (when
230 ACCUMULATE_OUTGOING_ARGS).
231 * dce.c: Include tm_p.h.
232 (find_call_stack_args): New function.
233 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
235 (mark_insn): Call find_call_stack_args for CALL_Ps.
236 (prescan_insns_for_dce): Walk insns backwards in bb rather than
237 forwards. Allocate and free arg_stores bitmap if needed, pass it
238 down to deletable_insn_p, don't mark stores set in arg_stores
239 bitmap, clear the bitmap at the beginning of each bb.
240 * Makefile.in (dce.o): Depend on $(TM_P_H).
242 2009-01-14 Michael Meissner <gnu@the-meissners.org>
245 * i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f' to make
246 sure the insn is a conditional test (bug 22599). Reformat a few long
249 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
252 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
253 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
254 (gloog): Do not call cleanup_tree_cfg.
255 (graphite_transform_loops): Call cleanup_tree_cfg after all
256 scops have been code generated.
258 2009-01-14 Vladimir Makarov <vmakarov@redhat.com>
260 * testsuite/g++.dg/torture/pr38811.C: New file.
262 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
263 * doc/gty.texi (Invoking the garbage collector): Added new node
264 and section documenting ggc_collect.
266 2009-01-14 Richard Guenther <rguenther@suse.de>
268 PR tree-optimization/38826
270 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
271 initialization notes only if we actually emitted a warning.
272 (intra_create_variable_infos): Add constraints for a result decl
273 that is passed by hidden reference.
274 (build_pred_graph): Mark all related variables non-direct on
277 2009-01-14 Nick Clifton <nickc@redhat.com>
279 * ira-conflicts.c: Include addresses.h for the definition of
281 (ira_build_conflicts): Use base_reg_class instead of
283 * Makefile.in: Add a dependency of ira-conflicts.o on
286 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
289 * Makefile.in (ira-lives.o): Add except.h.
291 * ira-lives.c: Include except.h.
292 (process_bb_node_lives): Process can_throw_internal.
294 2009-01-13 Jakub Jelinek <jakub@redhat.com>
296 PR rtl-optimization/38774
297 * combine.c (simplify_set): When undoing cc_use change, don't do
298 PUT_CODE on the newly created comparison, but instead put back the
301 2009-01-13 Joseph Myers <joseph@codesourcery.com>
303 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
304 values. Remove duplicate arm8 entry.
306 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
308 PR tree-optimization/38786
309 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
310 the SSA_NAME case of expand_scalar_variables_expr.
311 Set the type of an expression to the type of its assign statement.
312 (expand_scalar_variables_expr): Also gather the scalar computation
313 used to index the memory access. Do not pass loop_p.
314 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
315 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
316 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
317 (copy_bb_and_scalar_dependences): Do not pass loop_p.
318 (translate_clast): Update call to copy_bb_and_scalar_dependences.
320 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
322 * graphite.h (debug_value): Removed.
323 * graphite.c (debug_value): Removed.
325 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
327 * arm.c (output_move_double): Don't synthesize thumb-2 ldrd/strd with
328 two 32-bit instructions.
330 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
332 * arm.c (struct processors): Pass for speed down into cost helper
334 (const_ok_for_op): Handle COMPARE and inequality nodes.
335 (arm_rtx_costs_1): Rewrite.
336 (arm_size_rtx_costs): Update prototype.
337 (arm_rtx_costs): Pass speed down to helper functions.
338 (arm_slowmul_rtx_costs): Rework cost calculations.
339 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
340 (arm_9e_rtx_costs): Likewise.
342 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
344 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
345 relocations of local symbols wider than UNITS_PER_WORD are not valid.
346 (alpha_legitimize_address): Do not split local symbols wider than
347 UNITS_PER_WORD into HIGH/LO_SUM parts.
349 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
352 * gcc.c (process_command): Replace call to execvp with calls
355 2009-01-03 Anatoly Sokolov <aesok@post.ru>
358 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
359 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
360 variant for devices with 3-byte PC.
361 (__tablejump_elpm__) : New.
363 2009-01-12 Jakub Jelinek <jakub@redhat.com>
366 * c-parser.c (c_parser_postfix_expression): Allow `->' in
367 offsetof member-designator, handle it as `[0].'.
369 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
371 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
372 function when not using named sections on targets with named sections
373 if branch distance is less than 262132.
375 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
377 * combine.c (combine_instructions): Recompute
378 optimize_this_for_speed_p for each BB in the main combine loop.
380 2009-01-12 Tomas Bily <tbily@suse.cz>
383 * tree-loop-distribution.c (prop_phis): New function.
384 (generate_builtin): Call prop_phis.
385 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
387 2009-01-12 Jakub Jelinek <jakub@redhat.com>
389 PR tree-optimization/38807
390 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
391 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
393 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
395 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
396 subreg of op0 to the original op0.
398 2009-01-11 Laurent GUERBY <laurent@guerby.net>
400 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
402 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
405 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
406 starting with digits.
408 2009-01-10 Jakub Jelinek <jakub@redhat.com>
411 * config/arm/arm.c (arm_is_long_call_p): Don't call
412 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
414 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
416 * regrename.c (regrename_optimize): Fix dumping.
417 (find_oldest_value_reg): Preserve REG_POINTER.
418 (copy_hardreg_forward_1): Likewise.
420 2009-01-09 Diego Novillo <dnovillo@google.com>
422 * gimple.h (struct gimple_statement_base)<uid>: Document
423 the restrictions on its use.
425 (gimple_set_uid): Tidy.
427 2009-01-09 Jakub Jelinek <jakub@redhat.com>
429 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
430 zero guard even if align_bytes != 0 and count is smaller than
433 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
435 PR rtl-optimization/38495
436 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
437 (add_range_and_copies_from_move_list): Print all added ranges.
438 Add ranges to memory optimized destination.
440 2009-01-09 Jakub Jelinek <jakub@redhat.com>
444 * config/i386/i386.c (override_options): Reject
445 -mstringop-strategy=rep_8byte with -m32.
446 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
447 to 1. Do count comparison against epilogue_size_needed at compile
448 time even when count_exp was constant forced into register. For
449 size_needed don't jump to epilogue, instead just avoid aligning
450 and invoke the body algorithm. If need_zero_guard, add zero guard
451 even if count is non-zero, but smaller than size_needed + number of
452 bytes that could be stored for alignment.
453 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
454 to 1. If need_zero_guard, add zero guard even if count is non-zero,
455 but smaller than size_needed + number of bytes that could be stored
456 for alignment. Compare size_needed with epilogue_size_needed instead
457 of desired_align - align, don't adjust size_needed, pass
458 epilogue_size_needed to the epilogue expanders.
461 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
463 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
465 * pa.c (last_address): Change to unsigned.
466 (update_total_code_bytes): Change argument to unsigned. Don't
467 check if insn addresses are set.
468 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
469 addresses are not set.
470 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
472 2009-01-09 Nick Clifton <nickc@redhat.com>
474 * config/sh/symbian.c: Replace uses of DECL_INLINE with
475 DECL_DECLARED_INLINE_P.
477 2009-01-09 Jakub Jelinek <jakub@redhat.com>
480 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
481 GET_MODE (op0) in operand_subword_force calls.
484 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
485 fold_convert arg0 operands to TREE_TYPE (op0) first.
487 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
489 * params.def (ira-max-conflict-table-size): Decrease default value
492 2009-01-08 Jakub Jelinek <jakub@redhat.com>
494 PR tree-optimization/37031
495 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
497 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
498 allocate it using gc instead of heap, use VEC_quick_push instead of
500 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
501 instead of heap, use VEC_quick_push instead of VEC_safe_push.
502 * tree-data-ref.h (struct access_matrix): Change matrix to gc
503 allocated vector from heap allocated.
504 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
505 * tree-loop-linear.c (linear_transform_loops): Allocate nest
506 vector only after perfect_loop_nest_depth call.
508 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
509 Jan Sjodin <jan.sjodin@amd.com>
511 PR tree-optimization/38559
512 * graphite.c (debug_value, copy_constraint,
513 swap_constraint_variables, scale_constraint_variable, ): New.
514 (get_lower_bound, get_upper_bound): Removed.
515 (graphite_trans_bb_strip_mine): Clean up this code that works
516 only for constant number of iterations. Fully copy upper and
517 lower bound constraints, not only the constant part of them.
518 * graphite.h (debug_value): Declared.
520 2009-01-08 Ira Rosen <irar@il.ibm.com>
522 PR tree-optimization/37194
523 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
524 Don't add the cost of cost model guard in prologue to scalar
525 outside cost in case of known number of iterations.
527 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
528 Alan Modra <amodra@bigpond.net.au>
530 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
531 non-word-aligned REG+CONST addressing.
533 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
536 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
537 free_after_compilation when outputting a thunk.
538 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
539 Do not call free_after_compilation here.
541 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
543 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
544 (ix86_valid_target_attribute_inner_p): Ditto.
546 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
548 PR tree-optimization/38492
549 PR tree-optimization/38498
550 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
551 * tree-chrec.h (scev_is_linear_expression): Declared.
552 * graphite.c (graphite_cannot_represent_loop_niter): New.
553 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
554 (graphite_loop_normal_form): Use gcc_assert.
555 (scan_tree_for_params): Use CASE_CONVERT.
556 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
557 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
558 Use gcc_assert. Discard scops that contain unhandled cases.
559 (build_scop_conditions): Return a boolean status for unhandled cases.
560 (strip_mine_profitable_p): Print the loop number, not its depth.
561 (is_interchange_valid): Pass the depth of the loop nest, don't
562 recompute it wrongly.
563 (graphite_trans_bb_block): Same.
564 (graphite_trans_bb_block): Print tentative of loop blocking.
565 (graphite_trans_scop_block): Do not print that the loop has been
567 (graphite_transform_loops): Do not handle scops that contain condition
570 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
572 AVX Programming Reference (December, 2008)
573 * config/i386/avxintrin.h (_mm256_stream_si256): New.
574 (_mm256_stream_pd): Likewise.
575 (_mm256_stream_ps): Likewise.
577 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
578 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
579 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
580 (bdesc_special_args): Add __builtin_ia32_movntdq256,
581 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
582 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
583 (ix86_expand_special_args_builtin): Likewise.
585 * config/i386/sse.md (AVXMODEDI): New.
586 (avx_movnt<mode>): Likewise.
587 (avx_movnt<mode>): Likewise.
588 (<sse>_movnt<mode>): Remove AVX support.
589 (sse2_movntv2di): Likewise.
591 2009-01-07 Richard Guenther <rguenther@suse.de>
594 * fold-const.c (extract_muldiv): Remove obsolete comment.
595 (fold_plusminus_mult_expr): Undo MINUS_EXPR
596 to PLUS_EXPR canonicalization for the canonicalization.
598 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
600 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
601 hosted cross-compilers generating less efficient code.
603 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
605 * function.h (rtl_data): Add a dbr_scheduled_p field.
606 * reorg.c (dbr_schedule): Set it.
607 (gate_handle_delay_slots): Check it.
608 * config/mips/mips.c (mips_base_delayed_branch): Delete.
609 (mips_reorg): Check flag_delayed_branch instead of
610 mips_base_delayed_branch.
611 (mips_override_options): Don't set mips_base_delayed_branch
612 or flag_delayed_branch.
614 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
616 PR rtl-optimization/38426.
617 * ira.c (ira): Set current_function_is_leaf earlier.
619 2009-01-06 Jakub Jelinek <jakub@redhat.com>
621 PR rtl-optimization/38722
622 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
623 too early, only set a flag and modify after last possible
626 2009-01-06 Janis Johnson <janis187@us.ibm.com>
629 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
630 * real.c (decimal_single_format): Correct values of emin and emax.
631 (decimal_double_format): Ditto.
632 (decimal_quad_format): Ditto.
633 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
634 computation of DECnn_MIN and DECnn_MAX for corrected values of
635 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
636 __DECnn_MIN__, and adjust its computation for the corrected value
639 2009-01-06 Jan Hubicka <jh@suse.cz>
642 * i386.c (ix86_expand_call): Use ARRAY_SIZE.
644 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
646 * doc/contrib.texi (Contributors): Slightly adjust the end note.
647 Add Robert Clark to the list of testers.
649 2009-01-06 Jan Hubicka <jh@suse.cz>
650 Kai Tietz <kai.tietz@onevision.com>
652 * i386.md (*msabi_syvabi): Add SSE regs clobbers.
653 * i386.c (ix86_expand_call): Add clobbers.
655 2009-01-06 Jan Hubicka <jh@suse.cz>
656 Kai Tietz <kai.tietz@onevision.com>
658 * i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI.
659 * i386.c (struct ix86_frame): Add padding0 and nsseregs.
660 (ix86_nsaved_regs): Count only general purpose regs.
661 (ix86_nsaved_sseregs): New.
662 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
663 to 16 for w64; compute padding and size of sse reg save area.
664 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
665 general purpose regs.
666 (ix86_emit_save_sse_regs_using_mov): New.
667 (ix86_expand_prologue): Save SSE regs if needed.
668 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
669 (ix86_emit_restore_sse_regs_using_mov): New.
670 (ix86_expand_epilogue): Save SSE regs if needed.
672 2009-01-06 Jan Hubicka <jh@suse.cz>
673 Kai Tietz <kai.tietz@onevision.com>
675 * i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
676 * i386.c (init_cumulative_args): Disallow calls of MSABI functions
677 when accumulate outgoing args is off.
679 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
682 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
683 before using pseudos_have_intersected_live_ranges_p.
685 * ira-int.h (ira_assert): Always define.
687 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
689 AVX Programming Reference (December, 2008)
690 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
691 (_mm256_permute2_pd): Likewise.
692 (_mm_permute2_ps): Likewise.
693 (_mm256_permute2_ps): Likewise.
694 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
695 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
697 * config/i386/i386.c (ix86_builtins): Remove
698 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
699 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
700 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
701 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
702 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
703 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
704 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
705 __builtin_ia32_vpermil2ps256.
706 (ix86_init_mmx_sse_builtins): Updated.
707 (ix86_expand_args_builtin): Likewise.
709 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
711 * pa.c (output_call): Relocate non-jump insns in the delay slot of
712 long absolute calls when generating PA 2.0 code.
714 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
716 PR rtl-optimization/38583
717 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
719 * params.def (ira-max-conflict-table-size): New.
721 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
723 * ira.h (ira_conflicts_p): New external definition.
725 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
726 table. Report this. Return result of building.
727 (ira_build_conflicts): Use ira_conflicts_p. Check result of
728 building conflict table.
730 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
731 (ira_color): Use ira_conflicts_p.
733 * global.c: Include ira.h.
734 (pseudo_for_reload_consideration_p, build_insn_chain): Use
737 * Makefile.in (global.o): Add ira.h.
739 * ira-build.c (mark_all_loops_for_removal,
740 propagate_some_info_from_allocno): New.
741 (remove_unnecessary_allocnos): Call
742 propagate_some_info_from_allocno.
743 (remove_low_level_allocnos): New.
744 (remove_unnecessary_regions): Add parameter. Call
745 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
746 parameter to remove_unnecessary_regions.
747 (ira_build): Remove all regions but root if the conflict table was
748 not built. Update conflict hard regs for allocnos crossing calls.
750 * ira.c (ira_conflicts_p): New global.
751 (ira): Define and use ira_conflicts_p.
753 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
754 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
755 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
757 2009-01-06 Ben Elliston <bje@au.ibm.com>
759 * gengtype-lex.l (YY_NO_INPUT): Define.
761 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
764 * c-common.c (handle_vector_size_attribute): Also reject
767 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
769 PR tree-optimization/38492
770 * graphite.c (rename_map_elt, debug_rename_elt,
771 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
772 rename_map_elt_info, eq_rename_map_elts,
773 get_new_name_from_old_name, bb_in_sese_p): Moved around.
774 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
775 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
776 (sese_build_livein_liveouts): New.
777 (new_sese, free_sese): New.
778 (new_scop): Call new_sese.
779 (free_scop): Call free_sese.
780 (rename_variables_from_edge, rename_phis_end_scop): Removed.
781 (register_old_new_names): Renamed register_old_and_new_names.
782 (register_scop_liveout_renames, add_loop_exit_phis,
783 insert_loop_close_phis, struct igp,
784 default_liveout_before_guard, add_guard_exit_phis,
785 insert_guard_phis, copy_renames): New.
786 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
787 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
788 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
789 (scop_adjust_phis_for_liveouts): New.
790 (gloog): Call scop_adjust_phis_for_liveouts.
792 * graphite.h (struct sese): Documented. Added fields liveout,
794 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
795 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
796 (struct scop): Added field liveout_renames.
797 (SCOP_LIVEOUT_RENAMES): New.
799 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
801 PR tree-optimization/38510
802 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
803 (translate_clast): Call recompute_all_dominators before
805 (gloog): Call recompute_all_dominators before graphite_verify.
807 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
808 Jan Sjodin <jan.sjodin@amd.com>
810 PR tree-optimization/38500
811 * graphite.c (create_sese_edges): Call fix_loop_structure after
814 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
816 * config.gcc: Add m32r*-*-rtems*.
817 * config/m32r/rtems.h: New file.
819 2009-01-05 Ben Elliston <bje@au.ibm.com>
821 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
823 (po/gcc.pot): Likewise.
825 2009-01-04 David S. Miller <davem@davemloft.net>
827 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
828 (STARTING_FRAME_OFFSET): Always set to zero.
830 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
832 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
833 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
834 fixed-point types, and vectors of the same.
836 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
838 * config/mips/sync.md (*mb_barrier): Rename to...
839 (*memory_barrier): ...this.
841 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
843 * doc/extend.texi (Function Attributes): Move @cindex after @item
844 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
845 and put in alphabetical order. Fix 'target' name and put in order.
846 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
849 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
851 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
852 (memory_barrier): Expand as unspec instead of unspec_volatile.
853 Remove mem:BLK from insn operands. Use Pmode scratch register.
854 (*memory_barrier): Define as unspec instead of unspec_volatile.
855 Use (match_dup 0) as input operand.
857 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
858 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
859 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
860 scratch register. Remove operand 1.
861 (*stbar): Define as unspec instead of unspec_volatile.
862 Use (match_dup 0) as input operand, remove (const_int 8).
863 (*membar): Define as unspec instead of unspec_volatile.
864 Use (match_dup 0) as input operand, remove input operand 2.
866 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
867 (memory_barrier): Expand as unspec instead of unspec_volatile.
868 Remove mem:BLK from insn operands. Use Pmode scratch register.
869 (*memory_barrier): Define as unspec instead of unspec_volatile.
870 Use (match_dup 0) as input operand.
872 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
873 Remove mem:BLK from insn operands. Use Pmode scratch register.
874 Set volatile flag on operand 0.
875 (*memory_barrier): New insn pattern.
877 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
879 (*memory_barrier): Use (match_dup 0) as input operand.
881 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
882 Remove mem:BLK from insn operands. Use Pmode scratch register.
883 Set volatile flag on operand 0.
884 (*mb_internal): New insn pattern.
886 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
888 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
891 * function.c (struct temp_slot): Move to the section of the file
892 that deals with temp slots. Remove field 'address'.
893 (temp_slot_address_table): New hash table of address -> temp slot.
894 (struct temp_slot_address_entry): New struct, items for the table.
895 (temp_slot_address_compute_hash, temp_slot_address_hash,
896 temp_slot_address_eq, insert_temp_slot_address): Support functions
898 (find_temp_slot_from_address): Rewrite to use the new hash table.
899 (remove_unused_temp_slot_addresses): Remove addresses of temp
900 slots that have been made available.
901 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
902 worker function for remove_unused_temp_slot_addresses.
903 (assign_stack_temp_for_type): Don't clear the temp slot address list.
904 Add the temp slot address to the address -> temp slot map.
905 (update_temp_slot_address): Update via insert_temp_slot_address.
906 (free_temp_slots): Call remove_unused_temp_slot_addresses.
907 (pop_temp_slots): Likewise.
908 (init_temp_slots): Allocate the address -> temp slot map, or empty
909 the map if it is already allocated.
910 (prepare_function_start): Initialize temp slot processing.
912 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
915 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
916 Calculate the size of all stack vars assuming no packing of stack
917 vars will happen, replacing a quadratic algorithm with a linear one.
919 2009-01-03 Jakub Jelinek <jakub@redhat.com>
922 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
925 2009-01-03 Diego Novillo <dnovillo@google.com>
927 * doc/contrib.texi: Update contributions.
929 2009-01-03 Jakub Jelinek <jakub@redhat.com>
932 * builtins.c (fold_builtin_memory_op): Give up if either operand
933 is volatile. Set srctype or desttype to non-qualified version
937 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
940 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
942 PR rtl-optimization/35805
943 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
944 problem if fast dce is able to remove any instructions.
945 * dce.c (dce_process_block): Fix dump message.
947 2009-01-02 Mark Mitchell <mark@codesourcery.com>
950 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
952 2009-01-02 Jakub Jelinek <jakub@redhat.com>
955 * tree-flow.h (op_code_prio, op_prio): New prototypes.
956 * tree-pretty-print.c (op_code_prio): New function.
957 (op_prio): No longer static. Use op_code_prio.
958 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
959 Use op_prio and op_code_prio to determine if () should be
960 printed around operand(s) or not.
962 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
963 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
964 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
965 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
966 pp_character instead of pp_string for single letter printing.
968 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
970 * doc/extend.texi: Fix '#pragma GCC option' typo.
972 2009-01-02 Richard Guenther <rguenther@suse.de>
974 * doc/install.texi (--enable-checking): Mention different
976 (--enable-stage1-checking): Document.
978 2009-01-01 Andrew Pinski <pinskia@gmail.com>
981 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
984 2009-01-02 Ben Elliston <bje@au.ibm.com>
986 * config/fp-bit.h (pack_d): Constify argument.
987 * config/fp-bit.c (makenan): Constify return type. Remove casts.
988 (isnan): Constify argument.
992 (_fpadd_parts): Constify return type.
993 (_fpmul_parts): Likewise.
994 (_fpdiv_parts): Likewise.
996 2009-01-01 Jakub Jelinek <jakub@redhat.com>
999 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1000 warn about overwriting initializer with side-effects or
1001 -Woverride-init if !IMPLICIT.
1002 (output_init_element): Likewise. Pass IMPLICIT down to
1004 (process_init_element): Add IMPLICIT argument. Pass it down
1005 to output_init_element.
1006 (push_init_element, pop_init_level, set_designator): Adjust
1007 process_init_element callers.
1008 (set_nonincremental_init, set_nonincremental_init_from_string):
1009 Adjust add_pending_init callers.
1010 (output_pending_init_elements): Adjust output_init_element callers.
1011 * c-tree.h (process_init_element): Adjust prototype.
1012 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1013 process_init_element callers.