1 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3 * c-opts.c (c_common_post_options): Fix a typo in comments.
5 2009-01-22 Steve Ellcey <sje@cup.hp.com>
8 * gimplify.c (gimplify_init_constructor): Fix promotion of const
10 * doc/invoke.texi (-fmerge-all-constants): Update description.
12 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
15 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
16 (*movdi_1_rex64): Use type "mmx" for alternative 5.
18 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
20 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
22 (LOCAL_ALIGNMENT): Similarly.
24 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
25 Joseph Myers <joseph@codesourcery.com>
27 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
28 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
29 * config/arm/arm-tune.md: Regenerate.
30 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
33 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
35 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
36 version number to five.
38 2009-01-22 Dodji Seketeli <dodji@redhat.com>
41 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
42 * c-common.c (set_underlying_type): Likewise.
43 (is_typedef_decl ): Likewise
45 (set_underlying_type): Likewise.
46 (is_typedef_type): Likewise.
48 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
51 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
54 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
57 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
58 (LIBGCC_SPEC): Don't define.
59 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
61 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
63 PR rtl-optimization/38879
64 * alias.c (base_alias_check): Unaligned access via AND address can
65 alias all surrounding object types except those with sizes equal
66 or wider than the size of unaligned access.
68 2009-01-21 Dodji Seketeli <dodji@redhat.com>
71 * c-decl.c: (clone_underlying_type): Move this ...
72 * c-common.c (set_underlying_type): ... here.
73 Also, make sure the function properly sets TYPE_STUB_DECL() on
74 the newly created typedef variant type.
75 (is_typedef_decl ): New entry point.
76 * tree.h: Added a new member member_types_needing_access_check to
77 struct tree_decl_non_common.
78 (set_underlying_type): New entry point.
79 (is_typedef_type): Likewise.
81 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
83 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
84 Check whether two instructions have memory references that
85 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
86 are helper functions for traversing.
87 * alias.h (insn_alias_sets_confilict_p): New prototypes.
88 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
89 not to draw dependency edge for instructions with non-conflicting
92 2009-01-20 Joseph Myers <joseph@codesourcery.com>
95 * longlong.h: Update copyright years. Use soft-fp license
96 notice. Sync __clz_tab declaration with glibc.
98 2009-01-20 Steve Ellcey <sje@cup.hp.com>
101 * doc/extend.texi (syscall_linkage): New.
102 (version_id): Modify.
104 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
105 Richard Guenther <rguenther@suse.de>
107 PR tree-optimization/38747
108 PR tree-optimization/38748
109 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
110 conversion if the base address is an indirect reference and the
111 aliasing sets could cause issues.
113 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
115 * common.opt (fgraphite, fgraphite-identity): Add comment for
116 explaining why these options are not documented.
118 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
120 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
121 gimple_call_lhs is NULL.
123 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
126 * emit-rtl.c (adjust_address_1): Make sure memref is never
129 2009-01-20 Ben Elliston <bje@au.ibm.com>
131 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
132 const qualifier from arg parameter. Remove unnecessary cast to char *.
133 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
134 const qualifier from arg 2.
136 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
138 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
140 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
143 * rtl.h (reinit_regs): New prototype.
144 * regclass.c: Include ira.h.
146 * Makefile.in (regclass.o): Add ira.h.
147 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
149 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
152 * c-common.c (handle_aligned_attribute): Use
153 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
154 default alignment value.
156 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
158 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
159 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
161 * doc/extend.texi: Update __attribute__ ((aligned)). Document
162 __BIGGEST_ALIGNMENT__.
164 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
166 2009-01-18 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/38819
169 * tree-flow.h (operation_could_trap_helper_p): Declare.
170 * tree-eh.c (operation_could_trap_helper_p): Export.
171 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
172 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
173 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
174 are about to insert a possibly trapping instruction and fail
177 2009-01-18 Andreas Schwab <schwab@suse.de>
179 * doc/install.texi (Configuration): Remove obsolete paragraph
180 about use of --with-gnu-ld with --with-gnu-as.
182 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
184 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
185 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
186 Follow spelling conventions.
188 2009-01-18 Ben Elliston <bje@au.ibm.com>
190 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
191 C++ warning about implicit conversion from void * to struct
193 (bitmap_obstack_free): Likewise for bitmap_element *.
194 * Makefile.in (bitmap.o-warn): Remove.
196 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
198 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
200 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
201 Tobias Grosser <tobi.grosser@amd.com>
203 * graphite.c (graphite_trans_scop_block): Do not block single
206 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
208 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
209 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
212 2009-01-16 Richard Guenther <rguenther@suse.de>
214 PR tree-optimization/38835
216 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
217 and INT + PTR -> (INT)(PTR p+ INT) folding.
218 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
220 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
223 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
224 the subreg from a lowpart subreg if it is also casting the value.
226 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
227 Tobias Grosser <tobi.grosser@amd.com>
229 * graphite.c (compare_prefix_loops): New.
230 (build_scop_canonical_schedules): Rewritten.
231 (graphite_transform_loops): Move build_scop_canonical_schedules
232 after build_scop_iteration_domain.
234 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
235 Tobias Grosser <tobi.grosser@amd.com>
237 * graphite.c (add_conditions_to_domain): Add the loops to
238 the dimension of the iteration domain. Do copy the domain
240 (build_scop_conditions_1): Do not call add_conditions_to_domain.
241 (add_conditions_to_constraints): New.
242 (can_generate_code_stmt, can_generate_code): Removed.
243 (gloog): Do not call can_generate_code.
244 (graphite_transform_loops): Call add_conditions_to_constraints
245 after building the iteration domain.
247 2009-01-16 Jakub Jelinek <jakub@redhat.com>
249 PR tree-optimization/38789
250 * tree-ssa-threadedge.c
251 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
252 __builtin_constant_p.
254 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
256 * dce.c (delete_unmarked_insns): Reversed the order that insns are
257 examined before deleting them.
259 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
261 * function.c (aggregate_value_p): Correctly extract the function
262 type from CALL_EXPR_FN lookup.
264 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
266 * config/picochip/picochip.c (picochip_override_options): Revert
267 CFI asm flag disable commited previously.
269 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
270 Tobias Grosser <tobi.grosser@amd.com>
271 Jan Sjodin <jan.sjodin@amd.com>
273 * graphite.c (scan_tree_for_params): On substractions negate
274 all the coefficients of the term.
275 (clast_to_gcc_expression_red): New. Handle reduction expressions
276 of more than two operands.
277 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
278 (get_vdef_before_scop): Handle also the case of default definitions.
280 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
282 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
283 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
284 Also use them when walking CALL_INSN_FUNCTION_USAGE.
286 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
287 Joey Ye <joey.ye@intel.com>
290 * cfgexpand.c (expand_stack_alignment): Don't update stack
291 boundary nor check incoming stack boundary here.
292 (gimple_expand_cfg): Update stack boundary and check incoming
295 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
297 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
299 2009-01-14 Jakub Jelinek <jakub@redhat.com>
301 PR rtl-optimization/38245
302 * calls.c (expand_call): Add stack arguments to
303 CALL_INSN_FUNCTION_USAGE even for pure calls (when
304 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
305 in regs and partially in memory or BLKmode arguments.
306 (emit_library_call_value_1): Add stack arguments to
307 CALL_INSN_FUNCTION_USAGE even for pure calls (when
308 ACCUMULATE_OUTGOING_ARGS).
309 * dce.c: Include tm_p.h.
310 (find_call_stack_args): New function.
311 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
313 (mark_insn): Call find_call_stack_args for CALL_Ps.
314 (prescan_insns_for_dce): Walk insns backwards in bb rather than
315 forwards. Allocate and free arg_stores bitmap if needed, pass it
316 down to deletable_insn_p, don't mark stores set in arg_stores
317 bitmap, clear the bitmap at the beginning of each bb.
318 * Makefile.in (dce.o): Depend on $(TM_P_H).
320 2009-01-14 Michael Meissner <gnu@the-meissners.org>
323 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
324 to make sure the insn is a conditional test (bug 22599). Reformat a
327 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
330 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
331 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
332 (gloog): Do not call cleanup_tree_cfg.
333 (graphite_transform_loops): Call cleanup_tree_cfg after all
334 scops have been code generated.
336 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
337 * doc/gty.texi (Invoking the garbage collector): Added new node
338 and section documenting ggc_collect.
340 2009-01-14 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/38826
344 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
345 initialization notes only if we actually emitted a warning.
346 (intra_create_variable_infos): Add constraints for a result decl
347 that is passed by hidden reference.
348 (build_pred_graph): Mark all related variables non-direct on
351 2009-01-14 Nick Clifton <nickc@redhat.com>
353 * ira-conflicts.c: Include addresses.h for the definition of
355 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
356 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
358 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
361 * Makefile.in (ira-lives.o): Add except.h.
363 * ira-lives.c: Include except.h.
364 (process_bb_node_lives): Process can_throw_internal.
366 2009-01-13 Jakub Jelinek <jakub@redhat.com>
368 PR rtl-optimization/38774
369 * combine.c (simplify_set): When undoing cc_use change, don't do
370 PUT_CODE on the newly created comparison, but instead put back the
373 2009-01-13 Joseph Myers <joseph@codesourcery.com>
375 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
376 values. Remove duplicate arm8 entry.
378 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
380 PR tree-optimization/38786
381 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
382 the SSA_NAME case of expand_scalar_variables_expr.
383 Set the type of an expression to the type of its assign statement.
384 (expand_scalar_variables_expr): Also gather the scalar computation
385 used to index the memory access. Do not pass loop_p.
386 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
387 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
388 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
389 (copy_bb_and_scalar_dependences): Do not pass loop_p.
390 (translate_clast): Update call to copy_bb_and_scalar_dependences.
392 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
394 * graphite.h (debug_value): Removed.
395 * graphite.c (debug_value): Removed.
397 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
399 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
400 ldrd/strd with two 32-bit instructions.
402 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
404 * config/arm/arm.c (struct processors): Pass for speed down into
405 cost helper functions.
406 (const_ok_for_op): Handle COMPARE and inequality nodes.
407 (arm_rtx_costs_1): Rewrite.
408 (arm_size_rtx_costs): Update prototype.
409 (arm_rtx_costs): Pass speed down to helper functions.
410 (arm_slowmul_rtx_costs): Rework cost calculations.
411 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
412 (arm_9e_rtx_costs): Likewise.
414 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
416 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
417 relocations of local symbols wider than UNITS_PER_WORD are not valid.
418 (alpha_legitimize_address): Do not split local symbols wider than
419 UNITS_PER_WORD into HIGH/LO_SUM parts.
421 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
424 * gcc.c (process_command): Replace call to execvp with calls
427 2009-01-03 Anatoly Sokolov <aesok@post.ru>
430 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
431 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
432 variant for devices with 3-byte PC.
433 (__tablejump_elpm__) : New.
435 2009-01-12 Jakub Jelinek <jakub@redhat.com>
438 * c-parser.c (c_parser_postfix_expression): Allow `->' in
439 offsetof member-designator, handle it as `[0].'.
441 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
443 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
444 function when not using named sections on targets with named sections
445 if branch distance is less than 262132.
447 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
449 * combine.c (combine_instructions): Recompute
450 optimize_this_for_speed_p for each BB in the main combine loop.
452 2009-01-12 Tomas Bily <tbily@suse.cz>
455 * tree-loop-distribution.c (prop_phis): New function.
456 (generate_builtin): Call prop_phis.
457 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
459 2009-01-12 Jakub Jelinek <jakub@redhat.com>
461 PR tree-optimization/38807
462 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
463 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
465 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
467 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
468 subreg of op0 to the original op0.
470 2009-01-11 Laurent GUERBY <laurent@guerby.net>
472 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
474 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
477 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
478 starting with digits.
480 2009-01-10 Jakub Jelinek <jakub@redhat.com>
483 * config/arm/arm.c (arm_is_long_call_p): Don't call
484 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
486 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
488 * regrename.c (regrename_optimize): Fix dumping.
489 (find_oldest_value_reg): Preserve REG_POINTER.
490 (copy_hardreg_forward_1): Likewise.
492 2009-01-09 Diego Novillo <dnovillo@google.com>
494 * gimple.h (struct gimple_statement_base)<uid>: Document
495 the restrictions on its use.
497 (gimple_set_uid): Tidy.
499 2009-01-09 Jakub Jelinek <jakub@redhat.com>
501 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
502 zero guard even if align_bytes != 0 and count is smaller than
505 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
507 PR rtl-optimization/38495
508 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
509 (add_range_and_copies_from_move_list): Print all added ranges.
510 Add ranges to memory optimized destination.
512 2009-01-09 Jakub Jelinek <jakub@redhat.com>
516 * config/i386/i386.c (override_options): Reject
517 -mstringop-strategy=rep_8byte with -m32.
518 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
519 to 1. Do count comparison against epilogue_size_needed at compile
520 time even when count_exp was constant forced into register. For
521 size_needed don't jump to epilogue, instead just avoid aligning
522 and invoke the body algorithm. If need_zero_guard, add zero guard
523 even if count is non-zero, but smaller than size_needed + number of
524 bytes that could be stored for alignment.
525 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
526 to 1. If need_zero_guard, add zero guard even if count is non-zero,
527 but smaller than size_needed + number of bytes that could be stored
528 for alignment. Compare size_needed with epilogue_size_needed instead
529 of desired_align - align, don't adjust size_needed, pass
530 epilogue_size_needed to the epilogue expanders.
533 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
535 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
537 * pa.c (last_address): Change to unsigned.
538 (update_total_code_bytes): Change argument to unsigned. Don't
539 check if insn addresses are set.
540 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
541 addresses are not set.
542 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
544 2009-01-09 Nick Clifton <nickc@redhat.com>
546 * config/sh/symbian.c: Replace uses of DECL_INLINE with
547 DECL_DECLARED_INLINE_P.
549 2009-01-09 Jakub Jelinek <jakub@redhat.com>
552 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
553 GET_MODE (op0) in operand_subword_force calls.
556 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
557 fold_convert arg0 operands to TREE_TYPE (op0) first.
559 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
561 * params.def (ira-max-conflict-table-size): Decrease default value
564 2009-01-08 Jakub Jelinek <jakub@redhat.com>
566 PR tree-optimization/37031
567 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
569 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
570 allocate it using gc instead of heap, use VEC_quick_push instead of
572 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
573 instead of heap, use VEC_quick_push instead of VEC_safe_push.
574 * tree-data-ref.h (struct access_matrix): Change matrix to gc
575 allocated vector from heap allocated.
576 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
577 * tree-loop-linear.c (linear_transform_loops): Allocate nest
578 vector only after perfect_loop_nest_depth call.
580 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
581 Jan Sjodin <jan.sjodin@amd.com>
583 PR tree-optimization/38559
584 * graphite.c (debug_value, copy_constraint,
585 swap_constraint_variables, scale_constraint_variable, ): New.
586 (get_lower_bound, get_upper_bound): Removed.
587 (graphite_trans_bb_strip_mine): Clean up this code that works
588 only for constant number of iterations. Fully copy upper and
589 lower bound constraints, not only the constant part of them.
590 * graphite.h (debug_value): Declared.
592 2009-01-08 Ira Rosen <irar@il.ibm.com>
594 PR tree-optimization/37194
595 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
596 Don't add the cost of cost model guard in prologue to scalar
597 outside cost in case of known number of iterations.
599 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
600 Alan Modra <amodra@bigpond.net.au>
602 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
603 non-word-aligned REG+CONST addressing.
605 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
608 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
609 free_after_compilation when outputting a thunk.
610 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
611 Do not call free_after_compilation here.
613 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
615 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
616 (ix86_valid_target_attribute_inner_p): Ditto.
618 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
620 PR tree-optimization/38492
621 PR tree-optimization/38498
622 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
623 * tree-chrec.h (scev_is_linear_expression): Declared.
624 * graphite.c (graphite_cannot_represent_loop_niter): New.
625 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
626 (graphite_loop_normal_form): Use gcc_assert.
627 (scan_tree_for_params): Use CASE_CONVERT.
628 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
629 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
630 Use gcc_assert. Discard scops that contain unhandled cases.
631 (build_scop_conditions): Return a boolean status for unhandled cases.
632 (strip_mine_profitable_p): Print the loop number, not its depth.
633 (is_interchange_valid): Pass the depth of the loop nest, don't
634 recompute it wrongly.
635 (graphite_trans_bb_block): Same.
636 (graphite_trans_bb_block): Print tentative of loop blocking.
637 (graphite_trans_scop_block): Do not print that the loop has been
639 (graphite_transform_loops): Do not handle scops that contain condition
642 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
644 AVX Programming Reference (December, 2008)
645 * config/i386/avxintrin.h (_mm256_stream_si256): New.
646 (_mm256_stream_pd): Likewise.
647 (_mm256_stream_ps): Likewise.
649 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
650 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
651 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
652 (bdesc_special_args): Add __builtin_ia32_movntdq256,
653 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
654 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
655 (ix86_expand_special_args_builtin): Likewise.
657 * config/i386/sse.md (AVXMODEDI): New.
658 (avx_movnt<mode>): Likewise.
659 (avx_movnt<mode>): Likewise.
660 (<sse>_movnt<mode>): Remove AVX support.
661 (sse2_movntv2di): Likewise.
663 2009-01-07 Richard Guenther <rguenther@suse.de>
666 * fold-const.c (extract_muldiv): Remove obsolete comment.
667 (fold_plusminus_mult_expr): Undo MINUS_EXPR
668 to PLUS_EXPR canonicalization for the canonicalization.
670 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
672 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
673 hosted cross-compilers generating less efficient code.
675 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
677 * function.h (rtl_data): Add a dbr_scheduled_p field.
678 * reorg.c (dbr_schedule): Set it.
679 (gate_handle_delay_slots): Check it.
680 * config/mips/mips.c (mips_base_delayed_branch): Delete.
681 (mips_reorg): Check flag_delayed_branch instead of
682 mips_base_delayed_branch.
683 (mips_override_options): Don't set mips_base_delayed_branch
684 or flag_delayed_branch.
686 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
688 PR rtl-optimization/38426.
689 * ira.c (ira): Set current_function_is_leaf earlier.
691 2009-01-06 Jakub Jelinek <jakub@redhat.com>
693 PR rtl-optimization/38722
694 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
695 too early, only set a flag and modify after last possible
698 2009-01-06 Janis Johnson <janis187@us.ibm.com>
701 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
702 * real.c (decimal_single_format): Correct values of emin and emax.
703 (decimal_double_format): Ditto.
704 (decimal_quad_format): Ditto.
705 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
706 computation of DECnn_MIN and DECnn_MAX for corrected values of
707 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
708 __DECnn_MIN__, and adjust its computation for the corrected value
711 2009-01-06 Jan Hubicka <jh@suse.cz>
714 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
716 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
718 * doc/contrib.texi (Contributors): Slightly adjust the end note.
719 Add Robert Clark to the list of testers.
721 2009-01-06 Jan Hubicka <jh@suse.cz>
722 Kai Tietz <kai.tietz@onevision.com>
724 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
725 * config/i386/i386.c (ix86_expand_call): Add clobbers.
727 2009-01-06 Jan Hubicka <jh@suse.cz>
728 Kai Tietz <kai.tietz@onevision.com>
730 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
732 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
733 (ix86_nsaved_regs): Count only general purpose regs.
734 (ix86_nsaved_sseregs): New.
735 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
736 to 16 for w64; compute padding and size of sse reg save area.
737 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
738 general purpose regs.
739 (ix86_emit_save_sse_regs_using_mov): New.
740 (ix86_expand_prologue): Save SSE regs if needed.
741 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
742 (ix86_emit_restore_sse_regs_using_mov): New.
743 (ix86_expand_epilogue): Save SSE regs if needed.
745 2009-01-06 Jan Hubicka <jh@suse.cz>
746 Kai Tietz <kai.tietz@onevision.com>
748 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
749 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
750 functions when accumulate outgoing args is off.
752 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
755 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
756 before using pseudos_have_intersected_live_ranges_p.
758 * ira-int.h (ira_assert): Always define.
760 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
762 AVX Programming Reference (December, 2008)
763 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
764 (_mm256_permute2_pd): Likewise.
765 (_mm_permute2_ps): Likewise.
766 (_mm256_permute2_ps): Likewise.
767 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
768 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
770 * config/i386/i386.c (ix86_builtins): Remove
771 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
772 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
773 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
774 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
775 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
776 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
777 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
778 __builtin_ia32_vpermil2ps256.
779 (ix86_init_mmx_sse_builtins): Updated.
780 (ix86_expand_args_builtin): Likewise.
782 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
784 * pa.c (output_call): Relocate non-jump insns in the delay slot of
785 long absolute calls when generating PA 2.0 code.
787 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
789 PR rtl-optimization/38583
790 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
792 * params.def (ira-max-conflict-table-size): New.
794 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
796 * ira.h (ira_conflicts_p): New external definition.
798 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
799 table. Report this. Return result of building.
800 (ira_build_conflicts): Use ira_conflicts_p. Check result of
801 building conflict table.
803 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
804 (ira_color): Use ira_conflicts_p.
806 * global.c: Include ira.h.
807 (pseudo_for_reload_consideration_p, build_insn_chain): Use
810 * Makefile.in (global.o): Add ira.h.
812 * ira-build.c (mark_all_loops_for_removal,
813 propagate_some_info_from_allocno): New.
814 (remove_unnecessary_allocnos): Call
815 propagate_some_info_from_allocno.
816 (remove_low_level_allocnos): New.
817 (remove_unnecessary_regions): Add parameter. Call
818 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
819 parameter to remove_unnecessary_regions.
820 (ira_build): Remove all regions but root if the conflict table was
821 not built. Update conflict hard regs for allocnos crossing calls.
823 * ira.c (ira_conflicts_p): New global.
824 (ira): Define and use ira_conflicts_p.
826 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
827 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
828 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
830 2009-01-06 Ben Elliston <bje@au.ibm.com>
832 * gengtype-lex.l (YY_NO_INPUT): Define.
834 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
837 * c-common.c (handle_vector_size_attribute): Also reject
840 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
842 PR tree-optimization/38492
843 * graphite.c (rename_map_elt, debug_rename_elt,
844 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
845 rename_map_elt_info, eq_rename_map_elts,
846 get_new_name_from_old_name, bb_in_sese_p): Moved around.
847 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
848 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
849 (sese_build_livein_liveouts): New.
850 (new_sese, free_sese): New.
851 (new_scop): Call new_sese.
852 (free_scop): Call free_sese.
853 (rename_variables_from_edge, rename_phis_end_scop): Removed.
854 (register_old_new_names): Renamed register_old_and_new_names.
855 (register_scop_liveout_renames, add_loop_exit_phis,
856 insert_loop_close_phis, struct igp,
857 default_liveout_before_guard, add_guard_exit_phis,
858 insert_guard_phis, copy_renames): New.
859 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
860 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
861 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
862 (scop_adjust_phis_for_liveouts): New.
863 (gloog): Call scop_adjust_phis_for_liveouts.
865 * graphite.h (struct sese): Documented. Added fields liveout,
867 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
868 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
869 (struct scop): Added field liveout_renames.
870 (SCOP_LIVEOUT_RENAMES): New.
872 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
874 PR tree-optimization/38510
875 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
876 (translate_clast): Call recompute_all_dominators before
878 (gloog): Call recompute_all_dominators before graphite_verify.
880 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
881 Jan Sjodin <jan.sjodin@amd.com>
883 PR tree-optimization/38500
884 * graphite.c (create_sese_edges): Call fix_loop_structure after
887 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
889 * config.gcc: Add m32r*-*-rtems*.
890 * config/m32r/rtems.h: New file.
892 2009-01-05 Ben Elliston <bje@au.ibm.com>
894 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
896 (po/gcc.pot): Likewise.
898 2009-01-04 David S. Miller <davem@davemloft.net>
900 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
901 (STARTING_FRAME_OFFSET): Always set to zero.
903 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
905 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
906 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
907 fixed-point types, and vectors of the same.
909 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
911 * config/mips/sync.md (*mb_barrier): Rename to...
912 (*memory_barrier): ...this.
914 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
916 * doc/extend.texi (Function Attributes): Move @cindex after @item
917 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
918 and put in alphabetical order. Fix 'target' name and put in order.
919 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
922 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
924 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
925 (memory_barrier): Expand as unspec instead of unspec_volatile.
926 Remove mem:BLK from insn operands. Use Pmode scratch register.
927 (*memory_barrier): Define as unspec instead of unspec_volatile.
928 Use (match_dup 0) as input operand.
930 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
931 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
932 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
933 scratch register. Remove operand 1.
934 (*stbar): Define as unspec instead of unspec_volatile.
935 Use (match_dup 0) as input operand, remove (const_int 8).
936 (*membar): Define as unspec instead of unspec_volatile.
937 Use (match_dup 0) as input operand, remove input operand 2.
939 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
940 (memory_barrier): Expand as unspec instead of unspec_volatile.
941 Remove mem:BLK from insn operands. Use Pmode scratch register.
942 (*memory_barrier): Define as unspec instead of unspec_volatile.
943 Use (match_dup 0) as input operand.
945 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
946 Remove mem:BLK from insn operands. Use Pmode scratch register.
947 Set volatile flag on operand 0.
948 (*memory_barrier): New insn pattern.
950 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
952 (*memory_barrier): Use (match_dup 0) as input operand.
954 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
955 Remove mem:BLK from insn operands. Use Pmode scratch register.
956 Set volatile flag on operand 0.
957 (*mb_internal): New insn pattern.
959 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
961 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
964 * function.c (struct temp_slot): Move to the section of the file
965 that deals with temp slots. Remove field 'address'.
966 (temp_slot_address_table): New hash table of address -> temp slot.
967 (struct temp_slot_address_entry): New struct, items for the table.
968 (temp_slot_address_compute_hash, temp_slot_address_hash,
969 temp_slot_address_eq, insert_temp_slot_address): Support functions
971 (find_temp_slot_from_address): Rewrite to use the new hash table.
972 (remove_unused_temp_slot_addresses): Remove addresses of temp
973 slots that have been made available.
974 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
975 worker function for remove_unused_temp_slot_addresses.
976 (assign_stack_temp_for_type): Don't clear the temp slot address list.
977 Add the temp slot address to the address -> temp slot map.
978 (update_temp_slot_address): Update via insert_temp_slot_address.
979 (free_temp_slots): Call remove_unused_temp_slot_addresses.
980 (pop_temp_slots): Likewise.
981 (init_temp_slots): Allocate the address -> temp slot map, or empty
982 the map if it is already allocated.
983 (prepare_function_start): Initialize temp slot processing.
985 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
988 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
989 Calculate the size of all stack vars assuming no packing of stack
990 vars will happen, replacing a quadratic algorithm with a linear one.
992 2009-01-03 Jakub Jelinek <jakub@redhat.com>
995 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
998 2009-01-03 Diego Novillo <dnovillo@google.com>
1000 * doc/contrib.texi: Update contributions.
1002 2009-01-03 Jakub Jelinek <jakub@redhat.com>
1005 * builtins.c (fold_builtin_memory_op): Give up if either operand
1006 is volatile. Set srctype or desttype to non-qualified version
1010 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1013 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1015 PR rtl-optimization/35805
1016 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1017 problem if fast dce is able to remove any instructions.
1018 * dce.c (dce_process_block): Fix dump message.
1020 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1023 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1025 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1028 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1029 * tree-pretty-print.c (op_code_prio): New function.
1030 (op_prio): No longer static. Use op_code_prio.
1031 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1032 Use op_prio and op_code_prio to determine if () should be
1033 printed around operand(s) or not.
1035 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1036 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1037 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1038 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1039 pp_character instead of pp_string for single letter printing.
1041 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1043 * doc/extend.texi: Fix '#pragma GCC option' typo.
1045 2009-01-02 Richard Guenther <rguenther@suse.de>
1047 * doc/install.texi (--enable-checking): Mention different
1049 (--enable-stage1-checking): Document.
1051 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1054 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1055 case to be an error.
1057 2009-01-02 Ben Elliston <bje@au.ibm.com>
1059 * config/fp-bit.h (pack_d): Constify argument.
1060 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1061 (isnan): Constify argument.
1065 (_fpadd_parts): Constify return type.
1066 (_fpmul_parts): Likewise.
1067 (_fpdiv_parts): Likewise.
1069 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1072 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1073 warn about overwriting initializer with side-effects or
1074 -Woverride-init if !IMPLICIT.
1075 (output_init_element): Likewise. Pass IMPLICIT down to
1077 (process_init_element): Add IMPLICIT argument. Pass it down
1078 to output_init_element.
1079 (push_init_element, pop_init_level, set_designator): Adjust
1080 process_init_element callers.
1081 (set_nonincremental_init, set_nonincremental_init_from_string):
1082 Adjust add_pending_init callers.
1083 (output_pending_init_elements): Adjust output_init_element callers.
1084 * c-tree.h (process_init_element): Adjust prototype.
1085 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1086 process_init_element callers.