1 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2 Joseph Myers <joseph@codesourcery.com>
4 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6 * config/arm/arm-tune.md: Regenerate.
7 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
12 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
13 version number to five.
15 2009-01-22 Dodji Seketeli <dodji@redhat.com>
18 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
19 * c-common.c (set_underlying_type): Likewise.
20 (is_typedef_decl ): Likewise
22 (set_underlying_type): Likewise.
23 (is_typedef_type): Likewise.
25 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
28 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
31 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
34 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
35 (LIBGCC_SPEC): Don't define.
36 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
38 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
40 PR rtl-optimization/38879
41 * alias.c (base_alias_check): Unaligned access via AND address can
42 alias all surrounding object types except those with sizes equal
43 or wider than the size of unaligned access.
45 2009-01-21 Dodji Seketeli <dodji@redhat.com>
48 * c-decl.c: (clone_underlying_type): Move this ...
49 * c-common.c (set_underlying_type): ... here.
50 Also, make sure the function properly sets TYPE_STUB_DECL() on
51 the newly created typedef variant type.
52 (is_typedef_decl ): New entry point.
53 * tree.h: Added a new member member_types_needing_access_check to
54 struct tree_decl_non_common.
55 (set_underlying_type): New entry point.
56 (is_typedef_type): Likewise.
58 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
60 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
61 Check whether two instructions have memory references that
62 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
63 are helper functions for traversing.
64 * alias.h (insn_alias_sets_confilict_p): New prototypes.
65 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
66 not to draw dependency edge for instructions with non-conflicting
69 2009-01-20 Joseph Myers <joseph@codesourcery.com>
72 * longlong.h: Update copyright years. Use soft-fp license
73 notice. Sync __clz_tab declaration with glibc.
75 2009-01-20 Steve Ellcey <sje@cup.hp.com>
78 * doc/extend.texi (syscall_linkage): New.
81 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
82 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/38747
85 PR tree-optimization/38748
86 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
87 conversion if the base address is an indirect reference and the
88 aliasing sets could cause issues.
90 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
92 * common.opt (fgraphite, fgraphite-identity): Add comment for
93 explaining why these options are not documented.
95 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
97 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
98 gimple_call_lhs is NULL.
100 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
103 * emit-rtl.c (adjust_address_1): Make sure memref is never
106 2009-01-20 Ben Elliston <bje@au.ibm.com>
108 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
109 const qualifier from arg parameter. Remove unnecessary cast to char *.
110 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
111 const qualifier from arg 2.
113 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
115 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
117 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
120 * rtl.h (reinit_regs): New prototype.
121 * regclass.c: Include ira.h.
123 * Makefile.in (regclass.o): Add ira.h.
124 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
126 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
129 * c-common.c (handle_aligned_attribute): Use
130 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
131 default alignment value.
133 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
135 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
136 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
138 * doc/extend.texi: Update __attribute__ ((aligned)). Document
139 __BIGGEST_ALIGNMENT__.
141 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
143 2009-01-18 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/38819
146 * tree-flow.h (operation_could_trap_helper_p): Declare.
147 * tree-eh.c (operation_could_trap_helper_p): Export.
148 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
149 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
150 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
151 are about to insert a possibly trapping instruction and fail
154 2009-01-18 Andreas Schwab <schwab@suse.de>
156 * doc/install.texi (Configuration): Remove obsolete paragraph
157 about use of --with-gnu-ld with --with-gnu-as.
159 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
161 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
162 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
163 Follow spelling conventions.
165 2009-01-18 Ben Elliston <bje@au.ibm.com>
167 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
168 C++ warning about implicit conversion from void * to struct
170 (bitmap_obstack_free): Likewise for bitmap_element *.
171 * Makefile.in (bitmap.o-warn): Remove.
173 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
175 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
177 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
178 Tobias Grosser <tobi.grosser@amd.com>
180 * graphite.c (graphite_trans_scop_block): Do not block single
183 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
185 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
186 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
189 2009-01-16 Richard Guenther <rguenther@suse.de>
191 PR tree-optimization/38835
193 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
194 and INT + PTR -> (INT)(PTR p+ INT) folding.
195 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
197 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
200 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
201 the subreg from a lowpart subreg if it is also casting the value.
203 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
204 Tobias Grosser <tobi.grosser@amd.com>
206 * graphite.c (compare_prefix_loops): New.
207 (build_scop_canonical_schedules): Rewritten.
208 (graphite_transform_loops): Move build_scop_canonical_schedules
209 after build_scop_iteration_domain.
211 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
212 Tobias Grosser <tobi.grosser@amd.com>
214 * graphite.c (add_conditions_to_domain): Add the loops to
215 the dimension of the iteration domain. Do copy the domain
217 (build_scop_conditions_1): Do not call add_conditions_to_domain.
218 (add_conditions_to_constraints): New.
219 (can_generate_code_stmt, can_generate_code): Removed.
220 (gloog): Do not call can_generate_code.
221 (graphite_transform_loops): Call add_conditions_to_constraints
222 after building the iteration domain.
224 2009-01-16 Jakub Jelinek <jakub@redhat.com>
226 PR tree-optimization/38789
227 * tree-ssa-threadedge.c
228 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
229 __builtin_constant_p.
231 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
233 * dce.c (delete_unmarked_insns): Reversed the order that insns are
234 examined before deleting them.
236 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
238 * function.c (aggregate_value_p): Correctly extract the function
239 type from CALL_EXPR_FN lookup.
241 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
243 * config/picochip/picochip.c (picochip_override_options): Revert
244 CFI asm flag disable commited previously.
246 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
247 Tobias Grosser <tobi.grosser@amd.com>
248 Jan Sjodin <jan.sjodin@amd.com>
250 * graphite.c (scan_tree_for_params): On substractions negate
251 all the coefficients of the term.
252 (clast_to_gcc_expression_red): New. Handle reduction expressions
253 of more than two operands.
254 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
255 (get_vdef_before_scop): Handle also the case of default definitions.
257 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
259 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
260 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
261 Also use them when walking CALL_INSN_FUNCTION_USAGE.
263 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
264 Joey Ye <joey.ye@intel.com>
267 * cfgexpand.c (expand_stack_alignment): Don't update stack
268 boundary nor check incoming stack boundary here.
269 (gimple_expand_cfg): Update stack boundary and check incoming
272 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
274 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
276 2009-01-14 Jakub Jelinek <jakub@redhat.com>
278 PR rtl-optimization/38245
279 * calls.c (expand_call): Add stack arguments to
280 CALL_INSN_FUNCTION_USAGE even for pure calls (when
281 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
282 in regs and partially in memory or BLKmode arguments.
283 (emit_library_call_value_1): Add stack arguments to
284 CALL_INSN_FUNCTION_USAGE even for pure calls (when
285 ACCUMULATE_OUTGOING_ARGS).
286 * dce.c: Include tm_p.h.
287 (find_call_stack_args): New function.
288 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
290 (mark_insn): Call find_call_stack_args for CALL_Ps.
291 (prescan_insns_for_dce): Walk insns backwards in bb rather than
292 forwards. Allocate and free arg_stores bitmap if needed, pass it
293 down to deletable_insn_p, don't mark stores set in arg_stores
294 bitmap, clear the bitmap at the beginning of each bb.
295 * Makefile.in (dce.o): Depend on $(TM_P_H).
297 2009-01-14 Michael Meissner <gnu@the-meissners.org>
300 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
301 to make sure the insn is a conditional test (bug 22599). Reformat a
304 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
307 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
308 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
309 (gloog): Do not call cleanup_tree_cfg.
310 (graphite_transform_loops): Call cleanup_tree_cfg after all
311 scops have been code generated.
313 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
314 * doc/gty.texi (Invoking the garbage collector): Added new node
315 and section documenting ggc_collect.
317 2009-01-14 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/38826
321 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
322 initialization notes only if we actually emitted a warning.
323 (intra_create_variable_infos): Add constraints for a result decl
324 that is passed by hidden reference.
325 (build_pred_graph): Mark all related variables non-direct on
328 2009-01-14 Nick Clifton <nickc@redhat.com>
330 * ira-conflicts.c: Include addresses.h for the definition of
332 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
333 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
335 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
338 * Makefile.in (ira-lives.o): Add except.h.
340 * ira-lives.c: Include except.h.
341 (process_bb_node_lives): Process can_throw_internal.
343 2009-01-13 Jakub Jelinek <jakub@redhat.com>
345 PR rtl-optimization/38774
346 * combine.c (simplify_set): When undoing cc_use change, don't do
347 PUT_CODE on the newly created comparison, but instead put back the
350 2009-01-13 Joseph Myers <joseph@codesourcery.com>
352 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
353 values. Remove duplicate arm8 entry.
355 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
357 PR tree-optimization/38786
358 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
359 the SSA_NAME case of expand_scalar_variables_expr.
360 Set the type of an expression to the type of its assign statement.
361 (expand_scalar_variables_expr): Also gather the scalar computation
362 used to index the memory access. Do not pass loop_p.
363 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
364 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
365 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
366 (copy_bb_and_scalar_dependences): Do not pass loop_p.
367 (translate_clast): Update call to copy_bb_and_scalar_dependences.
369 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
371 * graphite.h (debug_value): Removed.
372 * graphite.c (debug_value): Removed.
374 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
376 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
377 ldrd/strd with two 32-bit instructions.
379 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
381 * config/arm/arm.c (struct processors): Pass for speed down into
382 cost helper functions.
383 (const_ok_for_op): Handle COMPARE and inequality nodes.
384 (arm_rtx_costs_1): Rewrite.
385 (arm_size_rtx_costs): Update prototype.
386 (arm_rtx_costs): Pass speed down to helper functions.
387 (arm_slowmul_rtx_costs): Rework cost calculations.
388 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
389 (arm_9e_rtx_costs): Likewise.
391 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
393 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
394 relocations of local symbols wider than UNITS_PER_WORD are not valid.
395 (alpha_legitimize_address): Do not split local symbols wider than
396 UNITS_PER_WORD into HIGH/LO_SUM parts.
398 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
401 * gcc.c (process_command): Replace call to execvp with calls
404 2009-01-03 Anatoly Sokolov <aesok@post.ru>
407 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
408 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
409 variant for devices with 3-byte PC.
410 (__tablejump_elpm__) : New.
412 2009-01-12 Jakub Jelinek <jakub@redhat.com>
415 * c-parser.c (c_parser_postfix_expression): Allow `->' in
416 offsetof member-designator, handle it as `[0].'.
418 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
420 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
421 function when not using named sections on targets with named sections
422 if branch distance is less than 262132.
424 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
426 * combine.c (combine_instructions): Recompute
427 optimize_this_for_speed_p for each BB in the main combine loop.
429 2009-01-12 Tomas Bily <tbily@suse.cz>
432 * tree-loop-distribution.c (prop_phis): New function.
433 (generate_builtin): Call prop_phis.
434 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
436 2009-01-12 Jakub Jelinek <jakub@redhat.com>
438 PR tree-optimization/38807
439 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
440 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
442 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
444 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
445 subreg of op0 to the original op0.
447 2009-01-11 Laurent GUERBY <laurent@guerby.net>
449 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
451 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
454 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
455 starting with digits.
457 2009-01-10 Jakub Jelinek <jakub@redhat.com>
460 * config/arm/arm.c (arm_is_long_call_p): Don't call
461 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
463 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
465 * regrename.c (regrename_optimize): Fix dumping.
466 (find_oldest_value_reg): Preserve REG_POINTER.
467 (copy_hardreg_forward_1): Likewise.
469 2009-01-09 Diego Novillo <dnovillo@google.com>
471 * gimple.h (struct gimple_statement_base)<uid>: Document
472 the restrictions on its use.
474 (gimple_set_uid): Tidy.
476 2009-01-09 Jakub Jelinek <jakub@redhat.com>
478 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
479 zero guard even if align_bytes != 0 and count is smaller than
482 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
484 PR rtl-optimization/38495
485 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
486 (add_range_and_copies_from_move_list): Print all added ranges.
487 Add ranges to memory optimized destination.
489 2009-01-09 Jakub Jelinek <jakub@redhat.com>
493 * config/i386/i386.c (override_options): Reject
494 -mstringop-strategy=rep_8byte with -m32.
495 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
496 to 1. Do count comparison against epilogue_size_needed at compile
497 time even when count_exp was constant forced into register. For
498 size_needed don't jump to epilogue, instead just avoid aligning
499 and invoke the body algorithm. If need_zero_guard, add zero guard
500 even if count is non-zero, but smaller than size_needed + number of
501 bytes that could be stored for alignment.
502 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
503 to 1. If need_zero_guard, add zero guard even if count is non-zero,
504 but smaller than size_needed + number of bytes that could be stored
505 for alignment. Compare size_needed with epilogue_size_needed instead
506 of desired_align - align, don't adjust size_needed, pass
507 epilogue_size_needed to the epilogue expanders.
510 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
512 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
514 * pa.c (last_address): Change to unsigned.
515 (update_total_code_bytes): Change argument to unsigned. Don't
516 check if insn addresses are set.
517 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
518 addresses are not set.
519 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
521 2009-01-09 Nick Clifton <nickc@redhat.com>
523 * config/sh/symbian.c: Replace uses of DECL_INLINE with
524 DECL_DECLARED_INLINE_P.
526 2009-01-09 Jakub Jelinek <jakub@redhat.com>
529 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
530 GET_MODE (op0) in operand_subword_force calls.
533 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
534 fold_convert arg0 operands to TREE_TYPE (op0) first.
536 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
538 * params.def (ira-max-conflict-table-size): Decrease default value
541 2009-01-08 Jakub Jelinek <jakub@redhat.com>
543 PR tree-optimization/37031
544 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
546 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
547 allocate it using gc instead of heap, use VEC_quick_push instead of
549 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
550 instead of heap, use VEC_quick_push instead of VEC_safe_push.
551 * tree-data-ref.h (struct access_matrix): Change matrix to gc
552 allocated vector from heap allocated.
553 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
554 * tree-loop-linear.c (linear_transform_loops): Allocate nest
555 vector only after perfect_loop_nest_depth call.
557 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
558 Jan Sjodin <jan.sjodin@amd.com>
560 PR tree-optimization/38559
561 * graphite.c (debug_value, copy_constraint,
562 swap_constraint_variables, scale_constraint_variable, ): New.
563 (get_lower_bound, get_upper_bound): Removed.
564 (graphite_trans_bb_strip_mine): Clean up this code that works
565 only for constant number of iterations. Fully copy upper and
566 lower bound constraints, not only the constant part of them.
567 * graphite.h (debug_value): Declared.
569 2009-01-08 Ira Rosen <irar@il.ibm.com>
571 PR tree-optimization/37194
572 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
573 Don't add the cost of cost model guard in prologue to scalar
574 outside cost in case of known number of iterations.
576 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
577 Alan Modra <amodra@bigpond.net.au>
579 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
580 non-word-aligned REG+CONST addressing.
582 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
585 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
586 free_after_compilation when outputting a thunk.
587 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
588 Do not call free_after_compilation here.
590 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
592 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
593 (ix86_valid_target_attribute_inner_p): Ditto.
595 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
597 PR tree-optimization/38492
598 PR tree-optimization/38498
599 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
600 * tree-chrec.h (scev_is_linear_expression): Declared.
601 * graphite.c (graphite_cannot_represent_loop_niter): New.
602 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
603 (graphite_loop_normal_form): Use gcc_assert.
604 (scan_tree_for_params): Use CASE_CONVERT.
605 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
606 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
607 Use gcc_assert. Discard scops that contain unhandled cases.
608 (build_scop_conditions): Return a boolean status for unhandled cases.
609 (strip_mine_profitable_p): Print the loop number, not its depth.
610 (is_interchange_valid): Pass the depth of the loop nest, don't
611 recompute it wrongly.
612 (graphite_trans_bb_block): Same.
613 (graphite_trans_bb_block): Print tentative of loop blocking.
614 (graphite_trans_scop_block): Do not print that the loop has been
616 (graphite_transform_loops): Do not handle scops that contain condition
619 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
621 AVX Programming Reference (December, 2008)
622 * config/i386/avxintrin.h (_mm256_stream_si256): New.
623 (_mm256_stream_pd): Likewise.
624 (_mm256_stream_ps): Likewise.
626 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
627 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
628 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
629 (bdesc_special_args): Add __builtin_ia32_movntdq256,
630 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
631 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
632 (ix86_expand_special_args_builtin): Likewise.
634 * config/i386/sse.md (AVXMODEDI): New.
635 (avx_movnt<mode>): Likewise.
636 (avx_movnt<mode>): Likewise.
637 (<sse>_movnt<mode>): Remove AVX support.
638 (sse2_movntv2di): Likewise.
640 2009-01-07 Richard Guenther <rguenther@suse.de>
643 * fold-const.c (extract_muldiv): Remove obsolete comment.
644 (fold_plusminus_mult_expr): Undo MINUS_EXPR
645 to PLUS_EXPR canonicalization for the canonicalization.
647 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
649 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
650 hosted cross-compilers generating less efficient code.
652 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
654 * function.h (rtl_data): Add a dbr_scheduled_p field.
655 * reorg.c (dbr_schedule): Set it.
656 (gate_handle_delay_slots): Check it.
657 * config/mips/mips.c (mips_base_delayed_branch): Delete.
658 (mips_reorg): Check flag_delayed_branch instead of
659 mips_base_delayed_branch.
660 (mips_override_options): Don't set mips_base_delayed_branch
661 or flag_delayed_branch.
663 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
665 PR rtl-optimization/38426.
666 * ira.c (ira): Set current_function_is_leaf earlier.
668 2009-01-06 Jakub Jelinek <jakub@redhat.com>
670 PR rtl-optimization/38722
671 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
672 too early, only set a flag and modify after last possible
675 2009-01-06 Janis Johnson <janis187@us.ibm.com>
678 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
679 * real.c (decimal_single_format): Correct values of emin and emax.
680 (decimal_double_format): Ditto.
681 (decimal_quad_format): Ditto.
682 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
683 computation of DECnn_MIN and DECnn_MAX for corrected values of
684 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
685 __DECnn_MIN__, and adjust its computation for the corrected value
688 2009-01-06 Jan Hubicka <jh@suse.cz>
691 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
693 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
695 * doc/contrib.texi (Contributors): Slightly adjust the end note.
696 Add Robert Clark to the list of testers.
698 2009-01-06 Jan Hubicka <jh@suse.cz>
699 Kai Tietz <kai.tietz@onevision.com>
701 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
702 * config/i386/i386.c (ix86_expand_call): Add clobbers.
704 2009-01-06 Jan Hubicka <jh@suse.cz>
705 Kai Tietz <kai.tietz@onevision.com>
707 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
709 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
710 (ix86_nsaved_regs): Count only general purpose regs.
711 (ix86_nsaved_sseregs): New.
712 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
713 to 16 for w64; compute padding and size of sse reg save area.
714 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
715 general purpose regs.
716 (ix86_emit_save_sse_regs_using_mov): New.
717 (ix86_expand_prologue): Save SSE regs if needed.
718 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
719 (ix86_emit_restore_sse_regs_using_mov): New.
720 (ix86_expand_epilogue): Save SSE regs if needed.
722 2009-01-06 Jan Hubicka <jh@suse.cz>
723 Kai Tietz <kai.tietz@onevision.com>
725 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
726 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
727 functions when accumulate outgoing args is off.
729 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
732 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
733 before using pseudos_have_intersected_live_ranges_p.
735 * ira-int.h (ira_assert): Always define.
737 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
739 AVX Programming Reference (December, 2008)
740 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
741 (_mm256_permute2_pd): Likewise.
742 (_mm_permute2_ps): Likewise.
743 (_mm256_permute2_ps): Likewise.
744 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
745 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
747 * config/i386/i386.c (ix86_builtins): Remove
748 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
749 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
750 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
751 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
752 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
753 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
754 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
755 __builtin_ia32_vpermil2ps256.
756 (ix86_init_mmx_sse_builtins): Updated.
757 (ix86_expand_args_builtin): Likewise.
759 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
761 * pa.c (output_call): Relocate non-jump insns in the delay slot of
762 long absolute calls when generating PA 2.0 code.
764 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
766 PR rtl-optimization/38583
767 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
769 * params.def (ira-max-conflict-table-size): New.
771 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
773 * ira.h (ira_conflicts_p): New external definition.
775 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
776 table. Report this. Return result of building.
777 (ira_build_conflicts): Use ira_conflicts_p. Check result of
778 building conflict table.
780 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
781 (ira_color): Use ira_conflicts_p.
783 * global.c: Include ira.h.
784 (pseudo_for_reload_consideration_p, build_insn_chain): Use
787 * Makefile.in (global.o): Add ira.h.
789 * ira-build.c (mark_all_loops_for_removal,
790 propagate_some_info_from_allocno): New.
791 (remove_unnecessary_allocnos): Call
792 propagate_some_info_from_allocno.
793 (remove_low_level_allocnos): New.
794 (remove_unnecessary_regions): Add parameter. Call
795 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
796 parameter to remove_unnecessary_regions.
797 (ira_build): Remove all regions but root if the conflict table was
798 not built. Update conflict hard regs for allocnos crossing calls.
800 * ira.c (ira_conflicts_p): New global.
801 (ira): Define and use ira_conflicts_p.
803 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
804 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
805 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
807 2009-01-06 Ben Elliston <bje@au.ibm.com>
809 * gengtype-lex.l (YY_NO_INPUT): Define.
811 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
814 * c-common.c (handle_vector_size_attribute): Also reject
817 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
819 PR tree-optimization/38492
820 * graphite.c (rename_map_elt, debug_rename_elt,
821 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
822 rename_map_elt_info, eq_rename_map_elts,
823 get_new_name_from_old_name, bb_in_sese_p): Moved around.
824 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
825 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
826 (sese_build_livein_liveouts): New.
827 (new_sese, free_sese): New.
828 (new_scop): Call new_sese.
829 (free_scop): Call free_sese.
830 (rename_variables_from_edge, rename_phis_end_scop): Removed.
831 (register_old_new_names): Renamed register_old_and_new_names.
832 (register_scop_liveout_renames, add_loop_exit_phis,
833 insert_loop_close_phis, struct igp,
834 default_liveout_before_guard, add_guard_exit_phis,
835 insert_guard_phis, copy_renames): New.
836 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
837 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
838 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
839 (scop_adjust_phis_for_liveouts): New.
840 (gloog): Call scop_adjust_phis_for_liveouts.
842 * graphite.h (struct sese): Documented. Added fields liveout,
844 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
845 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
846 (struct scop): Added field liveout_renames.
847 (SCOP_LIVEOUT_RENAMES): New.
849 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
851 PR tree-optimization/38510
852 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
853 (translate_clast): Call recompute_all_dominators before
855 (gloog): Call recompute_all_dominators before graphite_verify.
857 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
858 Jan Sjodin <jan.sjodin@amd.com>
860 PR tree-optimization/38500
861 * graphite.c (create_sese_edges): Call fix_loop_structure after
864 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
866 * config.gcc: Add m32r*-*-rtems*.
867 * config/m32r/rtems.h: New file.
869 2009-01-05 Ben Elliston <bje@au.ibm.com>
871 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
873 (po/gcc.pot): Likewise.
875 2009-01-04 David S. Miller <davem@davemloft.net>
877 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
878 (STARTING_FRAME_OFFSET): Always set to zero.
880 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
882 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
883 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
884 fixed-point types, and vectors of the same.
886 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
888 * config/mips/sync.md (*mb_barrier): Rename to...
889 (*memory_barrier): ...this.
891 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
893 * doc/extend.texi (Function Attributes): Move @cindex after @item
894 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
895 and put in alphabetical order. Fix 'target' name and put in order.
896 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
899 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
901 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
902 (memory_barrier): Expand as unspec instead of unspec_volatile.
903 Remove mem:BLK from insn operands. Use Pmode scratch register.
904 (*memory_barrier): Define as unspec instead of unspec_volatile.
905 Use (match_dup 0) as input operand.
907 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
908 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
909 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
910 scratch register. Remove operand 1.
911 (*stbar): Define as unspec instead of unspec_volatile.
912 Use (match_dup 0) as input operand, remove (const_int 8).
913 (*membar): Define as unspec instead of unspec_volatile.
914 Use (match_dup 0) as input operand, remove input operand 2.
916 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
917 (memory_barrier): Expand as unspec instead of unspec_volatile.
918 Remove mem:BLK from insn operands. Use Pmode scratch register.
919 (*memory_barrier): Define as unspec instead of unspec_volatile.
920 Use (match_dup 0) as input operand.
922 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
923 Remove mem:BLK from insn operands. Use Pmode scratch register.
924 Set volatile flag on operand 0.
925 (*memory_barrier): New insn pattern.
927 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
929 (*memory_barrier): Use (match_dup 0) as input operand.
931 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
932 Remove mem:BLK from insn operands. Use Pmode scratch register.
933 Set volatile flag on operand 0.
934 (*mb_internal): New insn pattern.
936 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
938 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
941 * function.c (struct temp_slot): Move to the section of the file
942 that deals with temp slots. Remove field 'address'.
943 (temp_slot_address_table): New hash table of address -> temp slot.
944 (struct temp_slot_address_entry): New struct, items for the table.
945 (temp_slot_address_compute_hash, temp_slot_address_hash,
946 temp_slot_address_eq, insert_temp_slot_address): Support functions
948 (find_temp_slot_from_address): Rewrite to use the new hash table.
949 (remove_unused_temp_slot_addresses): Remove addresses of temp
950 slots that have been made available.
951 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
952 worker function for remove_unused_temp_slot_addresses.
953 (assign_stack_temp_for_type): Don't clear the temp slot address list.
954 Add the temp slot address to the address -> temp slot map.
955 (update_temp_slot_address): Update via insert_temp_slot_address.
956 (free_temp_slots): Call remove_unused_temp_slot_addresses.
957 (pop_temp_slots): Likewise.
958 (init_temp_slots): Allocate the address -> temp slot map, or empty
959 the map if it is already allocated.
960 (prepare_function_start): Initialize temp slot processing.
962 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
965 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
966 Calculate the size of all stack vars assuming no packing of stack
967 vars will happen, replacing a quadratic algorithm with a linear one.
969 2009-01-03 Jakub Jelinek <jakub@redhat.com>
972 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
975 2009-01-03 Diego Novillo <dnovillo@google.com>
977 * doc/contrib.texi: Update contributions.
979 2009-01-03 Jakub Jelinek <jakub@redhat.com>
982 * builtins.c (fold_builtin_memory_op): Give up if either operand
983 is volatile. Set srctype or desttype to non-qualified version
987 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
990 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
992 PR rtl-optimization/35805
993 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
994 problem if fast dce is able to remove any instructions.
995 * dce.c (dce_process_block): Fix dump message.
997 2009-01-02 Mark Mitchell <mark@codesourcery.com>
1000 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
1002 2009-01-02 Jakub Jelinek <jakub@redhat.com>
1005 * tree-flow.h (op_code_prio, op_prio): New prototypes.
1006 * tree-pretty-print.c (op_code_prio): New function.
1007 (op_prio): No longer static. Use op_code_prio.
1008 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
1009 Use op_prio and op_code_prio to determine if () should be
1010 printed around operand(s) or not.
1012 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
1013 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
1014 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
1015 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
1016 pp_character instead of pp_string for single letter printing.
1018 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1020 * doc/extend.texi: Fix '#pragma GCC option' typo.
1022 2009-01-02 Richard Guenther <rguenther@suse.de>
1024 * doc/install.texi (--enable-checking): Mention different
1026 (--enable-stage1-checking): Document.
1028 2009-01-01 Andrew Pinski <pinskia@gmail.com>
1031 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
1032 case to be an error.
1034 2009-01-02 Ben Elliston <bje@au.ibm.com>
1036 * config/fp-bit.h (pack_d): Constify argument.
1037 * config/fp-bit.c (makenan): Constify return type. Remove casts.
1038 (isnan): Constify argument.
1042 (_fpadd_parts): Constify return type.
1043 (_fpmul_parts): Likewise.
1044 (_fpdiv_parts): Likewise.
1046 2009-01-01 Jakub Jelinek <jakub@redhat.com>
1049 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
1050 warn about overwriting initializer with side-effects or
1051 -Woverride-init if !IMPLICIT.
1052 (output_init_element): Likewise. Pass IMPLICIT down to
1054 (process_init_element): Add IMPLICIT argument. Pass it down
1055 to output_init_element.
1056 (push_init_element, pop_init_level, set_designator): Adjust
1057 process_init_element callers.
1058 (set_nonincremental_init, set_nonincremental_init_from_string):
1059 Adjust add_pending_init callers.
1060 (output_pending_init_elements): Adjust output_init_element callers.
1061 * c-tree.h (process_init_element): Adjust prototype.
1062 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
1063 process_init_element callers.