1 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5 (*movdi_1_rex64): Use type "mmx" for alternative 5.
7 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
9 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11 (LOCAL_ALIGNMENT): Similarly.
13 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
14 Joseph Myers <joseph@codesourcery.com>
16 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
17 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
18 * config/arm/arm-tune.md: Regenerate.
19 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
22 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
24 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
25 version number to five.
27 2009-01-22 Dodji Seketeli <dodji@redhat.com>
30 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
31 * c-common.c (set_underlying_type): Likewise.
32 (is_typedef_decl ): Likewise
34 (set_underlying_type): Likewise.
35 (is_typedef_type): Likewise.
37 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
40 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
43 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
46 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
47 (LIBGCC_SPEC): Don't define.
48 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
50 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
52 PR rtl-optimization/38879
53 * alias.c (base_alias_check): Unaligned access via AND address can
54 alias all surrounding object types except those with sizes equal
55 or wider than the size of unaligned access.
57 2009-01-21 Dodji Seketeli <dodji@redhat.com>
60 * c-decl.c: (clone_underlying_type): Move this ...
61 * c-common.c (set_underlying_type): ... here.
62 Also, make sure the function properly sets TYPE_STUB_DECL() on
63 the newly created typedef variant type.
64 (is_typedef_decl ): New entry point.
65 * tree.h: Added a new member member_types_needing_access_check to
66 struct tree_decl_non_common.
67 (set_underlying_type): New entry point.
68 (is_typedef_type): Likewise.
70 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
72 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
73 Check whether two instructions have memory references that
74 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
75 are helper functions for traversing.
76 * alias.h (insn_alias_sets_confilict_p): New prototypes.
77 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
78 not to draw dependency edge for instructions with non-conflicting
81 2009-01-20 Joseph Myers <joseph@codesourcery.com>
84 * longlong.h: Update copyright years. Use soft-fp license
85 notice. Sync __clz_tab declaration with glibc.
87 2009-01-20 Steve Ellcey <sje@cup.hp.com>
90 * doc/extend.texi (syscall_linkage): New.
93 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
94 Richard Guenther <rguenther@suse.de>
96 PR tree-optimization/38747
97 PR tree-optimization/38748
98 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
99 conversion if the base address is an indirect reference and the
100 aliasing sets could cause issues.
102 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
104 * common.opt (fgraphite, fgraphite-identity): Add comment for
105 explaining why these options are not documented.
107 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
109 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
110 gimple_call_lhs is NULL.
112 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
115 * emit-rtl.c (adjust_address_1): Make sure memref is never
118 2009-01-20 Ben Elliston <bje@au.ibm.com>
120 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
121 const qualifier from arg parameter. Remove unnecessary cast to char *.
122 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
123 const qualifier from arg 2.
125 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
127 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
129 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
132 * rtl.h (reinit_regs): New prototype.
133 * regclass.c: Include ira.h.
135 * Makefile.in (regclass.o): Add ira.h.
136 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
138 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
141 * c-common.c (handle_aligned_attribute): Use
142 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
143 default alignment value.
145 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
147 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
148 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
150 * doc/extend.texi: Update __attribute__ ((aligned)). Document
151 __BIGGEST_ALIGNMENT__.
153 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
155 2009-01-18 Richard Guenther <rguenther@suse.de>
157 PR tree-optimization/38819
158 * tree-flow.h (operation_could_trap_helper_p): Declare.
159 * tree-eh.c (operation_could_trap_helper_p): Export.
160 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
161 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
162 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
163 are about to insert a possibly trapping instruction and fail
166 2009-01-18 Andreas Schwab <schwab@suse.de>
168 * doc/install.texi (Configuration): Remove obsolete paragraph
169 about use of --with-gnu-ld with --with-gnu-as.
171 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
173 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
174 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
175 Follow spelling conventions.
177 2009-01-18 Ben Elliston <bje@au.ibm.com>
179 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
180 C++ warning about implicit conversion from void * to struct
182 (bitmap_obstack_free): Likewise for bitmap_element *.
183 * Makefile.in (bitmap.o-warn): Remove.
185 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
187 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
189 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
190 Tobias Grosser <tobi.grosser@amd.com>
192 * graphite.c (graphite_trans_scop_block): Do not block single
195 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
197 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
198 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
201 2009-01-16 Richard Guenther <rguenther@suse.de>
203 PR tree-optimization/38835
205 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
206 and INT + PTR -> (INT)(PTR p+ INT) folding.
207 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
209 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
212 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
213 the subreg from a lowpart subreg if it is also casting the value.
215 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
216 Tobias Grosser <tobi.grosser@amd.com>
218 * graphite.c (compare_prefix_loops): New.
219 (build_scop_canonical_schedules): Rewritten.
220 (graphite_transform_loops): Move build_scop_canonical_schedules
221 after build_scop_iteration_domain.
223 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
224 Tobias Grosser <tobi.grosser@amd.com>
226 * graphite.c (add_conditions_to_domain): Add the loops to
227 the dimension of the iteration domain. Do copy the domain
229 (build_scop_conditions_1): Do not call add_conditions_to_domain.
230 (add_conditions_to_constraints): New.
231 (can_generate_code_stmt, can_generate_code): Removed.
232 (gloog): Do not call can_generate_code.
233 (graphite_transform_loops): Call add_conditions_to_constraints
234 after building the iteration domain.
236 2009-01-16 Jakub Jelinek <jakub@redhat.com>
238 PR tree-optimization/38789
239 * tree-ssa-threadedge.c
240 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
241 __builtin_constant_p.
243 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
245 * dce.c (delete_unmarked_insns): Reversed the order that insns are
246 examined before deleting them.
248 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
250 * function.c (aggregate_value_p): Correctly extract the function
251 type from CALL_EXPR_FN lookup.
253 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
255 * config/picochip/picochip.c (picochip_override_options): Revert
256 CFI asm flag disable commited previously.
258 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
259 Tobias Grosser <tobi.grosser@amd.com>
260 Jan Sjodin <jan.sjodin@amd.com>
262 * graphite.c (scan_tree_for_params): On substractions negate
263 all the coefficients of the term.
264 (clast_to_gcc_expression_red): New. Handle reduction expressions
265 of more than two operands.
266 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
267 (get_vdef_before_scop): Handle also the case of default definitions.
269 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
271 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
272 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
273 Also use them when walking CALL_INSN_FUNCTION_USAGE.
275 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
276 Joey Ye <joey.ye@intel.com>
279 * cfgexpand.c (expand_stack_alignment): Don't update stack
280 boundary nor check incoming stack boundary here.
281 (gimple_expand_cfg): Update stack boundary and check incoming
284 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
286 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
288 2009-01-14 Jakub Jelinek <jakub@redhat.com>
290 PR rtl-optimization/38245
291 * calls.c (expand_call): Add stack arguments to
292 CALL_INSN_FUNCTION_USAGE even for pure calls (when
293 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
294 in regs and partially in memory or BLKmode arguments.
295 (emit_library_call_value_1): Add stack arguments to
296 CALL_INSN_FUNCTION_USAGE even for pure calls (when
297 ACCUMULATE_OUTGOING_ARGS).
298 * dce.c: Include tm_p.h.
299 (find_call_stack_args): New function.
300 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
302 (mark_insn): Call find_call_stack_args for CALL_Ps.
303 (prescan_insns_for_dce): Walk insns backwards in bb rather than
304 forwards. Allocate and free arg_stores bitmap if needed, pass it
305 down to deletable_insn_p, don't mark stores set in arg_stores
306 bitmap, clear the bitmap at the beginning of each bb.
307 * Makefile.in (dce.o): Depend on $(TM_P_H).
309 2009-01-14 Michael Meissner <gnu@the-meissners.org>
312 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
313 to make sure the insn is a conditional test (bug 22599). Reformat a
316 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
319 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
320 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
321 (gloog): Do not call cleanup_tree_cfg.
322 (graphite_transform_loops): Call cleanup_tree_cfg after all
323 scops have been code generated.
325 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
326 * doc/gty.texi (Invoking the garbage collector): Added new node
327 and section documenting ggc_collect.
329 2009-01-14 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/38826
333 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
334 initialization notes only if we actually emitted a warning.
335 (intra_create_variable_infos): Add constraints for a result decl
336 that is passed by hidden reference.
337 (build_pred_graph): Mark all related variables non-direct on
340 2009-01-14 Nick Clifton <nickc@redhat.com>
342 * ira-conflicts.c: Include addresses.h for the definition of
344 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
345 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
347 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
350 * Makefile.in (ira-lives.o): Add except.h.
352 * ira-lives.c: Include except.h.
353 (process_bb_node_lives): Process can_throw_internal.
355 2009-01-13 Jakub Jelinek <jakub@redhat.com>
357 PR rtl-optimization/38774
358 * combine.c (simplify_set): When undoing cc_use change, don't do
359 PUT_CODE on the newly created comparison, but instead put back the
362 2009-01-13 Joseph Myers <joseph@codesourcery.com>
364 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
365 values. Remove duplicate arm8 entry.
367 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
369 PR tree-optimization/38786
370 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
371 the SSA_NAME case of expand_scalar_variables_expr.
372 Set the type of an expression to the type of its assign statement.
373 (expand_scalar_variables_expr): Also gather the scalar computation
374 used to index the memory access. Do not pass loop_p.
375 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
376 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
377 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
378 (copy_bb_and_scalar_dependences): Do not pass loop_p.
379 (translate_clast): Update call to copy_bb_and_scalar_dependences.
381 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
383 * graphite.h (debug_value): Removed.
384 * graphite.c (debug_value): Removed.
386 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
388 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
389 ldrd/strd with two 32-bit instructions.
391 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
393 * config/arm/arm.c (struct processors): Pass for speed down into
394 cost helper functions.
395 (const_ok_for_op): Handle COMPARE and inequality nodes.
396 (arm_rtx_costs_1): Rewrite.
397 (arm_size_rtx_costs): Update prototype.
398 (arm_rtx_costs): Pass speed down to helper functions.
399 (arm_slowmul_rtx_costs): Rework cost calculations.
400 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
401 (arm_9e_rtx_costs): Likewise.
403 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
405 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
406 relocations of local symbols wider than UNITS_PER_WORD are not valid.
407 (alpha_legitimize_address): Do not split local symbols wider than
408 UNITS_PER_WORD into HIGH/LO_SUM parts.
410 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
413 * gcc.c (process_command): Replace call to execvp with calls
416 2009-01-03 Anatoly Sokolov <aesok@post.ru>
419 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
420 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
421 variant for devices with 3-byte PC.
422 (__tablejump_elpm__) : New.
424 2009-01-12 Jakub Jelinek <jakub@redhat.com>
427 * c-parser.c (c_parser_postfix_expression): Allow `->' in
428 offsetof member-designator, handle it as `[0].'.
430 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
432 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
433 function when not using named sections on targets with named sections
434 if branch distance is less than 262132.
436 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
438 * combine.c (combine_instructions): Recompute
439 optimize_this_for_speed_p for each BB in the main combine loop.
441 2009-01-12 Tomas Bily <tbily@suse.cz>
444 * tree-loop-distribution.c (prop_phis): New function.
445 (generate_builtin): Call prop_phis.
446 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
448 2009-01-12 Jakub Jelinek <jakub@redhat.com>
450 PR tree-optimization/38807
451 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
452 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
454 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
456 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
457 subreg of op0 to the original op0.
459 2009-01-11 Laurent GUERBY <laurent@guerby.net>
461 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
463 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
466 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
467 starting with digits.
469 2009-01-10 Jakub Jelinek <jakub@redhat.com>
472 * config/arm/arm.c (arm_is_long_call_p): Don't call
473 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
475 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
477 * regrename.c (regrename_optimize): Fix dumping.
478 (find_oldest_value_reg): Preserve REG_POINTER.
479 (copy_hardreg_forward_1): Likewise.
481 2009-01-09 Diego Novillo <dnovillo@google.com>
483 * gimple.h (struct gimple_statement_base)<uid>: Document
484 the restrictions on its use.
486 (gimple_set_uid): Tidy.
488 2009-01-09 Jakub Jelinek <jakub@redhat.com>
490 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
491 zero guard even if align_bytes != 0 and count is smaller than
494 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
496 PR rtl-optimization/38495
497 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
498 (add_range_and_copies_from_move_list): Print all added ranges.
499 Add ranges to memory optimized destination.
501 2009-01-09 Jakub Jelinek <jakub@redhat.com>
505 * config/i386/i386.c (override_options): Reject
506 -mstringop-strategy=rep_8byte with -m32.
507 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
508 to 1. Do count comparison against epilogue_size_needed at compile
509 time even when count_exp was constant forced into register. For
510 size_needed don't jump to epilogue, instead just avoid aligning
511 and invoke the body algorithm. If need_zero_guard, add zero guard
512 even if count is non-zero, but smaller than size_needed + number of
513 bytes that could be stored for alignment.
514 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
515 to 1. If need_zero_guard, add zero guard even if count is non-zero,
516 but smaller than size_needed + number of bytes that could be stored
517 for alignment. Compare size_needed with epilogue_size_needed instead
518 of desired_align - align, don't adjust size_needed, pass
519 epilogue_size_needed to the epilogue expanders.
522 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
524 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526 * pa.c (last_address): Change to unsigned.
527 (update_total_code_bytes): Change argument to unsigned. Don't
528 check if insn addresses are set.
529 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
530 addresses are not set.
531 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
533 2009-01-09 Nick Clifton <nickc@redhat.com>
535 * config/sh/symbian.c: Replace uses of DECL_INLINE with
536 DECL_DECLARED_INLINE_P.
538 2009-01-09 Jakub Jelinek <jakub@redhat.com>
541 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
542 GET_MODE (op0) in operand_subword_force calls.
545 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
546 fold_convert arg0 operands to TREE_TYPE (op0) first.
548 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
550 * params.def (ira-max-conflict-table-size): Decrease default value
553 2009-01-08 Jakub Jelinek <jakub@redhat.com>
555 PR tree-optimization/37031
556 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
558 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
559 allocate it using gc instead of heap, use VEC_quick_push instead of
561 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
562 instead of heap, use VEC_quick_push instead of VEC_safe_push.
563 * tree-data-ref.h (struct access_matrix): Change matrix to gc
564 allocated vector from heap allocated.
565 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
566 * tree-loop-linear.c (linear_transform_loops): Allocate nest
567 vector only after perfect_loop_nest_depth call.
569 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
570 Jan Sjodin <jan.sjodin@amd.com>
572 PR tree-optimization/38559
573 * graphite.c (debug_value, copy_constraint,
574 swap_constraint_variables, scale_constraint_variable, ): New.
575 (get_lower_bound, get_upper_bound): Removed.
576 (graphite_trans_bb_strip_mine): Clean up this code that works
577 only for constant number of iterations. Fully copy upper and
578 lower bound constraints, not only the constant part of them.
579 * graphite.h (debug_value): Declared.
581 2009-01-08 Ira Rosen <irar@il.ibm.com>
583 PR tree-optimization/37194
584 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
585 Don't add the cost of cost model guard in prologue to scalar
586 outside cost in case of known number of iterations.
588 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
589 Alan Modra <amodra@bigpond.net.au>
591 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
592 non-word-aligned REG+CONST addressing.
594 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
597 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
598 free_after_compilation when outputting a thunk.
599 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
600 Do not call free_after_compilation here.
602 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
604 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
605 (ix86_valid_target_attribute_inner_p): Ditto.
607 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
609 PR tree-optimization/38492
610 PR tree-optimization/38498
611 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
612 * tree-chrec.h (scev_is_linear_expression): Declared.
613 * graphite.c (graphite_cannot_represent_loop_niter): New.
614 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
615 (graphite_loop_normal_form): Use gcc_assert.
616 (scan_tree_for_params): Use CASE_CONVERT.
617 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
618 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
619 Use gcc_assert. Discard scops that contain unhandled cases.
620 (build_scop_conditions): Return a boolean status for unhandled cases.
621 (strip_mine_profitable_p): Print the loop number, not its depth.
622 (is_interchange_valid): Pass the depth of the loop nest, don't
623 recompute it wrongly.
624 (graphite_trans_bb_block): Same.
625 (graphite_trans_bb_block): Print tentative of loop blocking.
626 (graphite_trans_scop_block): Do not print that the loop has been
628 (graphite_transform_loops): Do not handle scops that contain condition
631 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
633 AVX Programming Reference (December, 2008)
634 * config/i386/avxintrin.h (_mm256_stream_si256): New.
635 (_mm256_stream_pd): Likewise.
636 (_mm256_stream_ps): Likewise.
638 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
639 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
640 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
641 (bdesc_special_args): Add __builtin_ia32_movntdq256,
642 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
643 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
644 (ix86_expand_special_args_builtin): Likewise.
646 * config/i386/sse.md (AVXMODEDI): New.
647 (avx_movnt<mode>): Likewise.
648 (avx_movnt<mode>): Likewise.
649 (<sse>_movnt<mode>): Remove AVX support.
650 (sse2_movntv2di): Likewise.
652 2009-01-07 Richard Guenther <rguenther@suse.de>
655 * fold-const.c (extract_muldiv): Remove obsolete comment.
656 (fold_plusminus_mult_expr): Undo MINUS_EXPR
657 to PLUS_EXPR canonicalization for the canonicalization.
659 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
661 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
662 hosted cross-compilers generating less efficient code.
664 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
666 * function.h (rtl_data): Add a dbr_scheduled_p field.
667 * reorg.c (dbr_schedule): Set it.
668 (gate_handle_delay_slots): Check it.
669 * config/mips/mips.c (mips_base_delayed_branch): Delete.
670 (mips_reorg): Check flag_delayed_branch instead of
671 mips_base_delayed_branch.
672 (mips_override_options): Don't set mips_base_delayed_branch
673 or flag_delayed_branch.
675 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
677 PR rtl-optimization/38426.
678 * ira.c (ira): Set current_function_is_leaf earlier.
680 2009-01-06 Jakub Jelinek <jakub@redhat.com>
682 PR rtl-optimization/38722
683 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
684 too early, only set a flag and modify after last possible
687 2009-01-06 Janis Johnson <janis187@us.ibm.com>
690 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
691 * real.c (decimal_single_format): Correct values of emin and emax.
692 (decimal_double_format): Ditto.
693 (decimal_quad_format): Ditto.
694 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
695 computation of DECnn_MIN and DECnn_MAX for corrected values of
696 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
697 __DECnn_MIN__, and adjust its computation for the corrected value
700 2009-01-06 Jan Hubicka <jh@suse.cz>
703 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
705 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
707 * doc/contrib.texi (Contributors): Slightly adjust the end note.
708 Add Robert Clark to the list of testers.
710 2009-01-06 Jan Hubicka <jh@suse.cz>
711 Kai Tietz <kai.tietz@onevision.com>
713 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
714 * config/i386/i386.c (ix86_expand_call): Add clobbers.
716 2009-01-06 Jan Hubicka <jh@suse.cz>
717 Kai Tietz <kai.tietz@onevision.com>
719 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
721 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
722 (ix86_nsaved_regs): Count only general purpose regs.
723 (ix86_nsaved_sseregs): New.
724 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
725 to 16 for w64; compute padding and size of sse reg save area.
726 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
727 general purpose regs.
728 (ix86_emit_save_sse_regs_using_mov): New.
729 (ix86_expand_prologue): Save SSE regs if needed.
730 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
731 (ix86_emit_restore_sse_regs_using_mov): New.
732 (ix86_expand_epilogue): Save SSE regs if needed.
734 2009-01-06 Jan Hubicka <jh@suse.cz>
735 Kai Tietz <kai.tietz@onevision.com>
737 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
738 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
739 functions when accumulate outgoing args is off.
741 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
744 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
745 before using pseudos_have_intersected_live_ranges_p.
747 * ira-int.h (ira_assert): Always define.
749 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
751 AVX Programming Reference (December, 2008)
752 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
753 (_mm256_permute2_pd): Likewise.
754 (_mm_permute2_ps): Likewise.
755 (_mm256_permute2_ps): Likewise.
756 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
757 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
759 * config/i386/i386.c (ix86_builtins): Remove
760 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
761 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
762 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
763 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
764 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
765 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
766 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
767 __builtin_ia32_vpermil2ps256.
768 (ix86_init_mmx_sse_builtins): Updated.
769 (ix86_expand_args_builtin): Likewise.
771 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
773 * pa.c (output_call): Relocate non-jump insns in the delay slot of
774 long absolute calls when generating PA 2.0 code.
776 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
778 PR rtl-optimization/38583
779 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
781 * params.def (ira-max-conflict-table-size): New.
783 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
785 * ira.h (ira_conflicts_p): New external definition.
787 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
788 table. Report this. Return result of building.
789 (ira_build_conflicts): Use ira_conflicts_p. Check result of
790 building conflict table.
792 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
793 (ira_color): Use ira_conflicts_p.
795 * global.c: Include ira.h.
796 (pseudo_for_reload_consideration_p, build_insn_chain): Use
799 * Makefile.in (global.o): Add ira.h.
801 * ira-build.c (mark_all_loops_for_removal,
802 propagate_some_info_from_allocno): New.
803 (remove_unnecessary_allocnos): Call
804 propagate_some_info_from_allocno.
805 (remove_low_level_allocnos): New.
806 (remove_unnecessary_regions): Add parameter. Call
807 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
808 parameter to remove_unnecessary_regions.
809 (ira_build): Remove all regions but root if the conflict table was
810 not built. Update conflict hard regs for allocnos crossing calls.
812 * ira.c (ira_conflicts_p): New global.
813 (ira): Define and use ira_conflicts_p.
815 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
816 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
817 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
819 2009-01-06 Ben Elliston <bje@au.ibm.com>
821 * gengtype-lex.l (YY_NO_INPUT): Define.
823 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
826 * c-common.c (handle_vector_size_attribute): Also reject
829 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
831 PR tree-optimization/38492
832 * graphite.c (rename_map_elt, debug_rename_elt,
833 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
834 rename_map_elt_info, eq_rename_map_elts,
835 get_new_name_from_old_name, bb_in_sese_p): Moved around.
836 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
837 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
838 (sese_build_livein_liveouts): New.
839 (new_sese, free_sese): New.
840 (new_scop): Call new_sese.
841 (free_scop): Call free_sese.
842 (rename_variables_from_edge, rename_phis_end_scop): Removed.
843 (register_old_new_names): Renamed register_old_and_new_names.
844 (register_scop_liveout_renames, add_loop_exit_phis,
845 insert_loop_close_phis, struct igp,
846 default_liveout_before_guard, add_guard_exit_phis,
847 insert_guard_phis, copy_renames): New.
848 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
849 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
850 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
851 (scop_adjust_phis_for_liveouts): New.
852 (gloog): Call scop_adjust_phis_for_liveouts.
854 * graphite.h (struct sese): Documented. Added fields liveout,
856 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
857 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
858 (struct scop): Added field liveout_renames.
859 (SCOP_LIVEOUT_RENAMES): New.
861 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
863 PR tree-optimization/38510
864 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
865 (translate_clast): Call recompute_all_dominators before
867 (gloog): Call recompute_all_dominators before graphite_verify.
869 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
870 Jan Sjodin <jan.sjodin@amd.com>
872 PR tree-optimization/38500
873 * graphite.c (create_sese_edges): Call fix_loop_structure after
876 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
878 * config.gcc: Add m32r*-*-rtems*.
879 * config/m32r/rtems.h: New file.
881 2009-01-05 Ben Elliston <bje@au.ibm.com>
883 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
885 (po/gcc.pot): Likewise.
887 2009-01-04 David S. Miller <davem@davemloft.net>
889 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
890 (STARTING_FRAME_OFFSET): Always set to zero.
892 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
894 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
895 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
896 fixed-point types, and vectors of the same.
898 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
900 * config/mips/sync.md (*mb_barrier): Rename to...
901 (*memory_barrier): ...this.
903 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
905 * doc/extend.texi (Function Attributes): Move @cindex after @item
906 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
907 and put in alphabetical order. Fix 'target' name and put in order.
908 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
911 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
913 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
914 (memory_barrier): Expand as unspec instead of unspec_volatile.
915 Remove mem:BLK from insn operands. Use Pmode scratch register.
916 (*memory_barrier): Define as unspec instead of unspec_volatile.
917 Use (match_dup 0) as input operand.
919 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
920 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
921 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
922 scratch register. Remove operand 1.
923 (*stbar): Define as unspec instead of unspec_volatile.
924 Use (match_dup 0) as input operand, remove (const_int 8).
925 (*membar): Define as unspec instead of unspec_volatile.
926 Use (match_dup 0) as input operand, remove input operand 2.
928 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
929 (memory_barrier): Expand as unspec instead of unspec_volatile.
930 Remove mem:BLK from insn operands. Use Pmode scratch register.
931 (*memory_barrier): Define as unspec instead of unspec_volatile.
932 Use (match_dup 0) as input operand.
934 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
935 Remove mem:BLK from insn operands. Use Pmode scratch register.
936 Set volatile flag on operand 0.
937 (*memory_barrier): New insn pattern.
939 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
941 (*memory_barrier): Use (match_dup 0) as input operand.
943 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
944 Remove mem:BLK from insn operands. Use Pmode scratch register.
945 Set volatile flag on operand 0.
946 (*mb_internal): New insn pattern.
948 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
950 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
953 * function.c (struct temp_slot): Move to the section of the file
954 that deals with temp slots. Remove field 'address'.
955 (temp_slot_address_table): New hash table of address -> temp slot.
956 (struct temp_slot_address_entry): New struct, items for the table.
957 (temp_slot_address_compute_hash, temp_slot_address_hash,
958 temp_slot_address_eq, insert_temp_slot_address): Support functions
960 (find_temp_slot_from_address): Rewrite to use the new hash table.
961 (remove_unused_temp_slot_addresses): Remove addresses of temp
962 slots that have been made available.
963 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
964 worker function for remove_unused_temp_slot_addresses.
965 (assign_stack_temp_for_type): Don't clear the temp slot address list.
966 Add the temp slot address to the address -> temp slot map.
967 (update_temp_slot_address): Update via insert_temp_slot_address.
968 (free_temp_slots): Call remove_unused_temp_slot_addresses.
969 (pop_temp_slots): Likewise.
970 (init_temp_slots): Allocate the address -> temp slot map, or empty
971 the map if it is already allocated.
972 (prepare_function_start): Initialize temp slot processing.
974 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
977 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
978 Calculate the size of all stack vars assuming no packing of stack
979 vars will happen, replacing a quadratic algorithm with a linear one.
981 2009-01-03 Jakub Jelinek <jakub@redhat.com>
984 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
987 2009-01-03 Diego Novillo <dnovillo@google.com>
989 * doc/contrib.texi: Update contributions.
991 2009-01-03 Jakub Jelinek <jakub@redhat.com>
994 * builtins.c (fold_builtin_memory_op): Give up if either operand
995 is volatile. Set srctype or desttype to non-qualified version
999 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
1002 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
1004 PR rtl-optimization/35805
1005 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
1006 problem if fast dce is able to remove any instructions.
1007 * dce.c (dce_process_block): Fix dump message.
1009 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1012 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1014 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1017 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1018 * tree-pretty-print.c (op_code_prio): New function.
1019 (op_prio): No longer static. Use op_code_prio.
1020 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1021 Use op_prio and op_code_prio to determine if () should be
1022 printed around operand(s) or not.
1024 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1025 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1026 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1027 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1028 pp_character instead of pp_string for single letter printing.
1030 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1032 * doc/extend.texi: Fix '#pragma GCC option' typo.
1034 2009-01-02 Richard Guenther <rguenther@suse.de>
1036 * doc/install.texi (--enable-checking): Mention different
1038 (--enable-stage1-checking): Document.
1040 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1043 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1044 case to be an error.
1046 2009-01-02 Ben Elliston <bje@au.ibm.com>
1048 * config/fp-bit.h (pack_d): Constify argument.
1049 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1050 (isnan): Constify argument.
1054 (_fpadd_parts): Constify return type.
1055 (_fpmul_parts): Likewise.
1056 (_fpdiv_parts): Likewise.
1058 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1061 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1062 warn about overwriting initializer with side-effects or
1063 -Woverride-init if !IMPLICIT.
1064 (output_init_element): Likewise. Pass IMPLICIT down to
1066 (process_init_element): Add IMPLICIT argument. Pass it down
1067 to output_init_element.
1068 (push_init_element, pop_init_level, set_designator): Adjust
1069 process_init_element callers.
1070 (set_nonincremental_init, set_nonincremental_init_from_string):
1071 Adjust add_pending_init callers.
1072 (output_pending_init_elements): Adjust output_init_element callers.
1073 * c-tree.h (process_init_element): Adjust prototype.
1074 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1075 process_init_element callers.