1 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3 * function.c (aggregate_value_p): Correctly extract the function
4 type from CALL_EXPR_FN lookup.
6 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
8 * config/picochip/picochip.c (picochip_override_options): Revert
9 CFI asm flag disable commited previously.
11 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
12 Tobias Grosser <tobi.grosser@amd.com>
13 Jan Sjodin <jan.sjodin@amd.com>
15 * graphite.c (scan_tree_for_params): On substractions negate
16 all the coefficients of the term.
17 (clast_to_gcc_expression_red): New. Handle reduction expressions
18 of more than two operands.
19 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
20 (get_vdef_before_scop): Handle also the case of default definitions.
22 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
24 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
25 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
26 Also use them when walking CALL_INSN_FUNCTION_USAGE.
28 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
29 Joey Ye <joey.ye@intel.com>
32 * cfgexpand.c (expand_stack_alignment): Don't update stack
33 boundary nor check incoming stack boundary here.
34 (gimple_expand_cfg): Update stack boundary and check incoming
37 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
39 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed
42 2009-01-14 Jakub Jelinek <jakub@redhat.com>
44 PR rtl-optimization/38245
45 * calls.c (expand_call): Add stack arguments to
46 CALL_INSN_FUNCTION_USAGE even for pure calls (when
47 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
48 in regs and partially in memory or BLKmode arguments.
49 (emit_library_call_value_1): Add stack arguments to
50 CALL_INSN_FUNCTION_USAGE even for pure calls (when
51 ACCUMULATE_OUTGOING_ARGS).
52 * dce.c: Include tm_p.h.
53 (find_call_stack_args): New function.
54 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
56 (mark_insn): Call find_call_stack_args for CALL_Ps.
57 (prescan_insns_for_dce): Walk insns backwards in bb rather than
58 forwards. Allocate and free arg_stores bitmap if needed, pass it
59 down to deletable_insn_p, don't mark stores set in arg_stores
60 bitmap, clear the bitmap at the beginning of each bb.
61 * Makefile.in (dce.o): Depend on $(TM_P_H).
63 2009-01-14 Michael Meissner <gnu@the-meissners.org>
66 * i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f' to make
67 sure the insn is a conditional test (bug 22599). Reformat a few long
70 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
73 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
74 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
75 (gloog): Do not call cleanup_tree_cfg.
76 (graphite_transform_loops): Call cleanup_tree_cfg after all
77 scops have been code generated.
79 2009-01-14 Vladimir Makarov <vmakarov@redhat.com>
81 * testsuite/g++.dg/torture/pr38811.C: New file.
83 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
84 * doc/gty.texi (Invoking the garbage collector): Added new node
85 and section documenting ggc_collect.
87 2009-01-14 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/38826
91 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
92 initialization notes only if we actually emitted a warning.
93 (intra_create_variable_infos): Add constraints for a result decl
94 that is passed by hidden reference.
95 (build_pred_graph): Mark all related variables non-direct on
98 2009-01-14 Nick Clifton <nickc@redhat.com>
100 * ira-conflicts.c: Include addresses.h for the definition of
102 (ira_build_conflicts): Use base_reg_class instead of
104 * Makefile.in: Add a dependency of ira-conflicts.o on
107 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
110 * Makefile.in (ira-lives.o): Add except.h.
112 * ira-lives.c: Include except.h.
113 (process_bb_node_lives): Process can_throw_internal.
115 2009-01-13 Jakub Jelinek <jakub@redhat.com>
117 PR rtl-optimization/38774
118 * combine.c (simplify_set): When undoing cc_use change, don't do
119 PUT_CODE on the newly created comparison, but instead put back the
122 2009-01-13 Joseph Myers <joseph@codesourcery.com>
124 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
125 values. Remove duplicate arm8 entry.
127 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
129 PR tree-optimization/38786
130 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
131 the SSA_NAME case of expand_scalar_variables_expr.
132 Set the type of an expression to the type of its assign statement.
133 (expand_scalar_variables_expr): Also gather the scalar computation
134 used to index the memory access. Do not pass loop_p.
135 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
136 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
137 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
138 (copy_bb_and_scalar_dependences): Do not pass loop_p.
139 (translate_clast): Update call to copy_bb_and_scalar_dependences.
141 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
143 * graphite.h (debug_value): Removed.
144 * graphite.c (debug_value): Removed.
146 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
148 * arm.c (output_move_double): Don't synthesize thumb-2 ldrd/strd with
149 two 32-bit instructions.
151 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
153 * arm.c (struct processors): Pass for speed down into cost helper
155 (const_ok_for_op): Handle COMPARE and inequality nodes.
156 (arm_rtx_costs_1): Rewrite.
157 (arm_size_rtx_costs): Update prototype.
158 (arm_rtx_costs): Pass speed down to helper functions.
159 (arm_slowmul_rtx_costs): Rework cost calculations.
160 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
161 (arm_9e_rtx_costs): Likewise.
163 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
165 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
166 relocations of local symbols wider than UNITS_PER_WORD are not valid.
167 (alpha_legitimize_address): Do not split local symbols wider than
168 UNITS_PER_WORD into HIGH/LO_SUM parts.
170 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
173 * gcc.c (process_command): Replace call to execvp with calls
176 2009-01-03 Anatoly Sokolov <aesok@post.ru>
179 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
180 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
181 variant for devices with 3-byte PC.
182 (__tablejump_elpm__) : New.
184 2009-01-12 Jakub Jelinek <jakub@redhat.com>
187 * c-parser.c (c_parser_postfix_expression): Allow `->' in
188 offsetof member-designator, handle it as `[0].'.
190 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
192 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
193 function when not using named sections on targets with named sections
194 if branch distance is less than 262132.
196 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
198 * combine.c (combine_instructions): Recompute
199 optimize_this_for_speed_p for each BB in the main combine loop.
201 2009-01-12 Tomas Bily <tbily@suse.cz>
204 * tree-loop-distribution.c (prop_phis): New function.
205 (generate_builtin): Call prop_phis.
206 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
208 2009-01-12 Jakub Jelinek <jakub@redhat.com>
210 PR tree-optimization/38807
211 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
212 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
214 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
216 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
217 subreg of op0 to the original op0.
219 2009-01-11 Laurent GUERBY <laurent@guerby.net>
221 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
223 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
226 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
227 starting with digits.
229 2009-01-10 Jakub Jelinek <jakub@redhat.com>
232 * config/arm/arm.c (arm_is_long_call_p): Don't call
233 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
235 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
237 * regrename.c (regrename_optimize): Fix dumping.
238 (find_oldest_value_reg): Preserve REG_POINTER.
239 (copy_hardreg_forward_1): Likewise.
241 2009-01-09 Diego Novillo <dnovillo@google.com>
243 * gimple.h (struct gimple_statement_base)<uid>: Document
244 the restrictions on its use.
246 (gimple_set_uid): Tidy.
248 2009-01-09 Jakub Jelinek <jakub@redhat.com>
250 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
251 zero guard even if align_bytes != 0 and count is smaller than
254 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
256 PR rtl-optimization/38495
257 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
258 (add_range_and_copies_from_move_list): Print all added ranges.
259 Add ranges to memory optimized destination.
261 2009-01-09 Jakub Jelinek <jakub@redhat.com>
265 * config/i386/i386.c (override_options): Reject
266 -mstringop-strategy=rep_8byte with -m32.
267 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
268 to 1. Do count comparison against epilogue_size_needed at compile
269 time even when count_exp was constant forced into register. For
270 size_needed don't jump to epilogue, instead just avoid aligning
271 and invoke the body algorithm. If need_zero_guard, add zero guard
272 even if count is non-zero, but smaller than size_needed + number of
273 bytes that could be stored for alignment.
274 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
275 to 1. If need_zero_guard, add zero guard even if count is non-zero,
276 but smaller than size_needed + number of bytes that could be stored
277 for alignment. Compare size_needed with epilogue_size_needed instead
278 of desired_align - align, don't adjust size_needed, pass
279 epilogue_size_needed to the epilogue expanders.
282 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
284 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
286 * pa.c (last_address): Change to unsigned.
287 (update_total_code_bytes): Change argument to unsigned. Don't
288 check if insn addresses are set.
289 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
290 addresses are not set.
291 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
293 2009-01-09 Nick Clifton <nickc@redhat.com>
295 * config/sh/symbian.c: Replace uses of DECL_INLINE with
296 DECL_DECLARED_INLINE_P.
298 2009-01-09 Jakub Jelinek <jakub@redhat.com>
301 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
302 GET_MODE (op0) in operand_subword_force calls.
305 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
306 fold_convert arg0 operands to TREE_TYPE (op0) first.
308 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
310 * params.def (ira-max-conflict-table-size): Decrease default value
313 2009-01-08 Jakub Jelinek <jakub@redhat.com>
315 PR tree-optimization/37031
316 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
318 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
319 allocate it using gc instead of heap, use VEC_quick_push instead of
321 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
322 instead of heap, use VEC_quick_push instead of VEC_safe_push.
323 * tree-data-ref.h (struct access_matrix): Change matrix to gc
324 allocated vector from heap allocated.
325 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
326 * tree-loop-linear.c (linear_transform_loops): Allocate nest
327 vector only after perfect_loop_nest_depth call.
329 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
330 Jan Sjodin <jan.sjodin@amd.com>
332 PR tree-optimization/38559
333 * graphite.c (debug_value, copy_constraint,
334 swap_constraint_variables, scale_constraint_variable, ): New.
335 (get_lower_bound, get_upper_bound): Removed.
336 (graphite_trans_bb_strip_mine): Clean up this code that works
337 only for constant number of iterations. Fully copy upper and
338 lower bound constraints, not only the constant part of them.
339 * graphite.h (debug_value): Declared.
341 2009-01-08 Ira Rosen <irar@il.ibm.com>
343 PR tree-optimization/37194
344 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
345 Don't add the cost of cost model guard in prologue to scalar
346 outside cost in case of known number of iterations.
348 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
349 Alan Modra <amodra@bigpond.net.au>
351 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
352 non-word-aligned REG+CONST addressing.
354 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
357 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
358 free_after_compilation when outputting a thunk.
359 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
360 Do not call free_after_compilation here.
362 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
364 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
365 (ix86_valid_target_attribute_inner_p): Ditto.
367 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
369 PR tree-optimization/38492
370 PR tree-optimization/38498
371 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
372 * tree-chrec.h (scev_is_linear_expression): Declared.
373 * graphite.c (graphite_cannot_represent_loop_niter): New.
374 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
375 (graphite_loop_normal_form): Use gcc_assert.
376 (scan_tree_for_params): Use CASE_CONVERT.
377 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
378 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
379 Use gcc_assert. Discard scops that contain unhandled cases.
380 (build_scop_conditions): Return a boolean status for unhandled cases.
381 (strip_mine_profitable_p): Print the loop number, not its depth.
382 (is_interchange_valid): Pass the depth of the loop nest, don't
383 recompute it wrongly.
384 (graphite_trans_bb_block): Same.
385 (graphite_trans_bb_block): Print tentative of loop blocking.
386 (graphite_trans_scop_block): Do not print that the loop has been
388 (graphite_transform_loops): Do not handle scops that contain condition
391 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
393 AVX Programming Reference (December, 2008)
394 * config/i386/avxintrin.h (_mm256_stream_si256): New.
395 (_mm256_stream_pd): Likewise.
396 (_mm256_stream_ps): Likewise.
398 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
399 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
400 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
401 (bdesc_special_args): Add __builtin_ia32_movntdq256,
402 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
403 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
404 (ix86_expand_special_args_builtin): Likewise.
406 * config/i386/sse.md (AVXMODEDI): New.
407 (avx_movnt<mode>): Likewise.
408 (avx_movnt<mode>): Likewise.
409 (<sse>_movnt<mode>): Remove AVX support.
410 (sse2_movntv2di): Likewise.
412 2009-01-07 Richard Guenther <rguenther@suse.de>
415 * fold-const.c (extract_muldiv): Remove obsolete comment.
416 (fold_plusminus_mult_expr): Undo MINUS_EXPR
417 to PLUS_EXPR canonicalization for the canonicalization.
419 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
421 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
422 hosted cross-compilers generating less efficient code.
424 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
426 * function.h (rtl_data): Add a dbr_scheduled_p field.
427 * reorg.c (dbr_schedule): Set it.
428 (gate_handle_delay_slots): Check it.
429 * config/mips/mips.c (mips_base_delayed_branch): Delete.
430 (mips_reorg): Check flag_delayed_branch instead of
431 mips_base_delayed_branch.
432 (mips_override_options): Don't set mips_base_delayed_branch
433 or flag_delayed_branch.
435 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
437 PR rtl-optimization/38426.
438 * ira.c (ira): Set current_function_is_leaf earlier.
440 2009-01-06 Jakub Jelinek <jakub@redhat.com>
442 PR rtl-optimization/38722
443 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
444 too early, only set a flag and modify after last possible
447 2009-01-06 Janis Johnson <janis187@us.ibm.com>
450 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
451 * real.c (decimal_single_format): Correct values of emin and emax.
452 (decimal_double_format): Ditto.
453 (decimal_quad_format): Ditto.
454 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
455 computation of DECnn_MIN and DECnn_MAX for corrected values of
456 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
457 __DECnn_MIN__, and adjust its computation for the corrected value
460 2009-01-06 Jan Hubicka <jh@suse.cz>
463 * i386.c (ix86_expand_call): Use ARRAY_SIZE.
465 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
467 * doc/contrib.texi (Contributors): Slightly adjust the end note.
468 Add Robert Clark to the list of testers.
470 2009-01-06 Jan Hubicka <jh@suse.cz>
471 Kai Tietz <kai.tietz@onevision.com>
473 * i386.md (*msabi_syvabi): Add SSE regs clobbers.
474 * i386.c (ix86_expand_call): Add clobbers.
476 2009-01-06 Jan Hubicka <jh@suse.cz>
477 Kai Tietz <kai.tietz@onevision.com>
479 * i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI.
480 * i386.c (struct ix86_frame): Add padding0 and nsseregs.
481 (ix86_nsaved_regs): Count only general purpose regs.
482 (ix86_nsaved_sseregs): New.
483 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
484 to 16 for w64; compute padding and size of sse reg save area.
485 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
486 general purpose regs.
487 (ix86_emit_save_sse_regs_using_mov): New.
488 (ix86_expand_prologue): Save SSE regs if needed.
489 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
490 (ix86_emit_restore_sse_regs_using_mov): New.
491 (ix86_expand_epilogue): Save SSE regs if needed.
493 2009-01-06 Jan Hubicka <jh@suse.cz>
494 Kai Tietz <kai.tietz@onevision.com>
496 * i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
497 * i386.c (init_cumulative_args): Disallow calls of MSABI functions
498 when accumulate outgoing args is off.
500 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
503 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
504 before using pseudos_have_intersected_live_ranges_p.
506 * ira-int.h (ira_assert): Always define.
508 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
510 AVX Programming Reference (December, 2008)
511 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
512 (_mm256_permute2_pd): Likewise.
513 (_mm_permute2_ps): Likewise.
514 (_mm256_permute2_ps): Likewise.
515 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
516 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
518 * config/i386/i386.c (ix86_builtins): Remove
519 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
520 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
521 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
522 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
523 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
524 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
525 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
526 __builtin_ia32_vpermil2ps256.
527 (ix86_init_mmx_sse_builtins): Updated.
528 (ix86_expand_args_builtin): Likewise.
530 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
532 * pa.c (output_call): Relocate non-jump insns in the delay slot of
533 long absolute calls when generating PA 2.0 code.
535 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
537 PR rtl-optimization/38583
538 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
540 * params.def (ira-max-conflict-table-size): New.
542 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
544 * ira.h (ira_conflicts_p): New external definition.
546 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
547 table. Report this. Return result of building.
548 (ira_build_conflicts): Use ira_conflicts_p. Check result of
549 building conflict table.
551 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
552 (ira_color): Use ira_conflicts_p.
554 * global.c: Include ira.h.
555 (pseudo_for_reload_consideration_p, build_insn_chain): Use
558 * Makefile.in (global.o): Add ira.h.
560 * ira-build.c (mark_all_loops_for_removal,
561 propagate_some_info_from_allocno): New.
562 (remove_unnecessary_allocnos): Call
563 propagate_some_info_from_allocno.
564 (remove_low_level_allocnos): New.
565 (remove_unnecessary_regions): Add parameter. Call
566 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
567 parameter to remove_unnecessary_regions.
568 (ira_build): Remove all regions but root if the conflict table was
569 not built. Update conflict hard regs for allocnos crossing calls.
571 * ira.c (ira_conflicts_p): New global.
572 (ira): Define and use ira_conflicts_p.
574 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
575 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
576 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
578 2009-01-06 Ben Elliston <bje@au.ibm.com>
580 * gengtype-lex.l (YY_NO_INPUT): Define.
582 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
585 * c-common.c (handle_vector_size_attribute): Also reject
588 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
590 PR tree-optimization/38492
591 * graphite.c (rename_map_elt, debug_rename_elt,
592 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
593 rename_map_elt_info, eq_rename_map_elts,
594 get_new_name_from_old_name, bb_in_sese_p): Moved around.
595 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
596 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
597 (sese_build_livein_liveouts): New.
598 (new_sese, free_sese): New.
599 (new_scop): Call new_sese.
600 (free_scop): Call free_sese.
601 (rename_variables_from_edge, rename_phis_end_scop): Removed.
602 (register_old_new_names): Renamed register_old_and_new_names.
603 (register_scop_liveout_renames, add_loop_exit_phis,
604 insert_loop_close_phis, struct igp,
605 default_liveout_before_guard, add_guard_exit_phis,
606 insert_guard_phis, copy_renames): New.
607 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
608 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
609 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
610 (scop_adjust_phis_for_liveouts): New.
611 (gloog): Call scop_adjust_phis_for_liveouts.
613 * graphite.h (struct sese): Documented. Added fields liveout,
615 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
616 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
617 (struct scop): Added field liveout_renames.
618 (SCOP_LIVEOUT_RENAMES): New.
620 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
622 PR tree-optimization/38510
623 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
624 (translate_clast): Call recompute_all_dominators before
626 (gloog): Call recompute_all_dominators before graphite_verify.
628 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
629 Jan Sjodin <jan.sjodin@amd.com>
631 PR tree-optimization/38500
632 * graphite.c (create_sese_edges): Call fix_loop_structure after
635 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
637 * config.gcc: Add m32r*-*-rtems*.
638 * config/m32r/rtems.h: New file.
640 2009-01-05 Ben Elliston <bje@au.ibm.com>
642 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
644 (po/gcc.pot): Likewise.
646 2009-01-04 David S. Miller <davem@davemloft.net>
648 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
649 (STARTING_FRAME_OFFSET): Always set to zero.
651 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
653 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
654 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
655 fixed-point types, and vectors of the same.
657 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
659 * config/mips/sync.md (*mb_barrier): Rename to...
660 (*memory_barrier): ...this.
662 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
664 * doc/extend.texi (Function Attributes): Move @cindex after @item
665 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
666 and put in alphabetical order. Fix 'target' name and put in order.
667 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
670 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
672 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
673 (memory_barrier): Expand as unspec instead of unspec_volatile.
674 Remove mem:BLK from insn operands. Use Pmode scratch register.
675 (*memory_barrier): Define as unspec instead of unspec_volatile.
676 Use (match_dup 0) as input operand.
678 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
679 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
680 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
681 scratch register. Remove operand 1.
682 (*stbar): Define as unspec instead of unspec_volatile.
683 Use (match_dup 0) as input operand, remove (const_int 8).
684 (*membar): Define as unspec instead of unspec_volatile.
685 Use (match_dup 0) as input operand, remove input operand 2.
687 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
688 (memory_barrier): Expand as unspec instead of unspec_volatile.
689 Remove mem:BLK from insn operands. Use Pmode scratch register.
690 (*memory_barrier): Define as unspec instead of unspec_volatile.
691 Use (match_dup 0) as input operand.
693 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
694 Remove mem:BLK from insn operands. Use Pmode scratch register.
695 Set volatile flag on operand 0.
696 (*memory_barrier): New insn pattern.
698 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
700 (*memory_barrier): Use (match_dup 0) as input operand.
702 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
703 Remove mem:BLK from insn operands. Use Pmode scratch register.
704 Set volatile flag on operand 0.
705 (*mb_internal): New insn pattern.
707 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
709 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
712 * function.c (struct temp_slot): Move to the section of the file
713 that deals with temp slots. Remove field 'address'.
714 (temp_slot_address_table): New hash table of address -> temp slot.
715 (struct temp_slot_address_entry): New struct, items for the table.
716 (temp_slot_address_compute_hash, temp_slot_address_hash,
717 temp_slot_address_eq, insert_temp_slot_address): Support functions
719 (find_temp_slot_from_address): Rewrite to use the new hash table.
720 (remove_unused_temp_slot_addresses): Remove addresses of temp
721 slots that have been made available.
722 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
723 worker function for remove_unused_temp_slot_addresses.
724 (assign_stack_temp_for_type): Don't clear the temp slot address list.
725 Add the temp slot address to the address -> temp slot map.
726 (update_temp_slot_address): Update via insert_temp_slot_address.
727 (free_temp_slots): Call remove_unused_temp_slot_addresses.
728 (pop_temp_slots): Likewise.
729 (init_temp_slots): Allocate the address -> temp slot map, or empty
730 the map if it is already allocated.
731 (prepare_function_start): Initialize temp slot processing.
733 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
736 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
737 Calculate the size of all stack vars assuming no packing of stack
738 vars will happen, replacing a quadratic algorithm with a linear one.
740 2009-01-03 Jakub Jelinek <jakub@redhat.com>
743 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
746 2009-01-03 Diego Novillo <dnovillo@google.com>
748 * doc/contrib.texi: Update contributions.
750 2009-01-03 Jakub Jelinek <jakub@redhat.com>
753 * builtins.c (fold_builtin_memory_op): Give up if either operand
754 is volatile. Set srctype or desttype to non-qualified version
758 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
761 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
763 PR rtl-optimization/35805
764 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
765 problem if fast dce is able to remove any instructions.
766 * dce.c (dce_process_block): Fix dump message.
768 2009-01-02 Mark Mitchell <mark@codesourcery.com>
771 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
773 2009-01-02 Jakub Jelinek <jakub@redhat.com>
776 * tree-flow.h (op_code_prio, op_prio): New prototypes.
777 * tree-pretty-print.c (op_code_prio): New function.
778 (op_prio): No longer static. Use op_code_prio.
779 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
780 Use op_prio and op_code_prio to determine if () should be
781 printed around operand(s) or not.
783 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
784 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
785 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
786 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
787 pp_character instead of pp_string for single letter printing.
789 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
791 * doc/extend.texi: Fix '#pragma GCC option' typo.
793 2009-01-02 Richard Guenther <rguenther@suse.de>
795 * doc/install.texi (--enable-checking): Mention different
797 (--enable-stage1-checking): Document.
799 2009-01-01 Andrew Pinski <pinskia@gmail.com>
802 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
805 2009-01-02 Ben Elliston <bje@au.ibm.com>
807 * config/fp-bit.h (pack_d): Constify argument.
808 * config/fp-bit.c (makenan): Constify return type. Remove casts.
809 (isnan): Constify argument.
813 (_fpadd_parts): Constify return type.
814 (_fpmul_parts): Likewise.
815 (_fpdiv_parts): Likewise.
817 2009-01-01 Jakub Jelinek <jakub@redhat.com>
820 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
821 warn about overwriting initializer with side-effects or
822 -Woverride-init if !IMPLICIT.
823 (output_init_element): Likewise. Pass IMPLICIT down to
825 (process_init_element): Add IMPLICIT argument. Pass it down
826 to output_init_element.
827 (push_init_element, pop_init_level, set_designator): Adjust
828 process_init_element callers.
829 (set_nonincremental_init, set_nonincremental_init_from_string):
830 Adjust add_pending_init callers.
831 (output_pending_init_elements): Adjust output_init_element callers.
832 * c-tree.h (process_init_element): Adjust prototype.
833 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
834 process_init_element callers.