Define TRY_EMPTY_VM_SPACE to 0x60000000 for x32
[gcc.git] / gcc / ChangeLog
1 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
2
3 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
4 0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
5
6 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
7
8 PR rtl-optimization/52876
9 * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
10 Don't call mark_reg_pointer for incompatible pointer sign
11 extension.
12
13 * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
14 directly.
15
16 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
17
18 * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
19 comparisons against TYPE_PRECISION.
20 * tree-ssa-forwprop.c (combine_conversions): Likewise.
21
22 2012-04-11 Xinliang David Li <davidxl@google.com>
23
24 * tree-passes.h: Remove TODO_dump_func.
25 * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
26 * trans-mem.c: Remove TODO_dump_func.
27 * ira.c: Remove TODO_dump_func.
28
29 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
30
31 * config/i386/i386.c (ix86_option_override_internal): Check
32 SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
33 after TARGET_64BIT is updated.
34
35 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
36
37 * config/sh/sh.h: Remove old secondary reload code.
38
39 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
40
41 * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
42 (ready_reorder): ... this function.
43
44 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
45
46 * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
47 sched_init calls.
48
49 * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
50 insns so that no other insn is queued for a time before them.
51
52 * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
53 unknown.
54
55 2012-04-11 Richard Guenther <rguenther@suse.de>
56
57 PR middle-end/52621
58 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
59 consider loop nesting.
60 (evolution_function_is_univariate_p): Properly check the remainder
61 for chrecs.
62
63 2012-04-11 Richard Guenther <rguenther@suse.de>
64
65 PR middle-end/52918
66 * except.c (sjlj_emit_dispatch_table): Properly update loop
67 structure.
68
69 2012-04-11 Nick Clifton <nickc@redhat.com>
70
71 * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
72 information, if requested.
73
74 * config/rx/rx.c (rx_expand_prologue): Likewise.
75
76 2012-04-11 Peter Bergner <bergner@vnet.ibm.com>
77 Michael Matz <matz@suse.de>
78
79 PR target/16458
80 * rtlanal.c (unsigned_reg_p): New function.
81 Update copyright notice dates.
82 * rtl.h (unsigned_reg_p): Prototype it.
83 Update copyright notice dates.
84 * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
85 Update comment.
86 * expr.c (expand_expr_real_1): Set register attributes.
87 * stmt.c (expand_case): Likewise.
88
89 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
90
91 PR target/50751
92 * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
93 consider_sh2a and allow_zero.
94 * config/sh/sh.c (sh_legitimate_index_p): Likewise.
95 (disp_addr_displacement): New function.
96 (sh_address_cost): Use disp_addr_displacement function instead
97 of DISP_ADDR_OFFSET.
98 (sh_legitimate_address_p): Adapt to changed
99 sh_legitimate_index_p declaration.
100 (sh_find_mov_disp_adjust): Remove HImode check.
101 (sh_secondary_reload): Add HImode case. Use satisfies_constraint_Sdd,
102 disp_addr_displacement and max_mov_insn_displacement.
103 (max_mov_insn_displacement): Remove HImode check.
104 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
105 DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
106 * config/sh/constraints.md (K05, K13): New constraints.
107 (K12): Correct comment.
108 (Sdd): Do not use DISP_ADDR_P macro.
109 (Snd, Sbw): Use satisfies_constraint_Sdd.
110 * config/sh/sh.md (extendhisi2): Remove constraints from expander.
111 (*extendhisi2_compact, movhi_i): Remove.
112 (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
113 *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
114 *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
115 *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
116 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
117 *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
118 *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
119 CONST_OK_FOR_Kxx.
120 Add new peepholes for HImode displacement addressing.
121
122 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
123
124 * config/sh/sh.h (SIDI_OFF): Remove.
125 * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
126 DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
127 or operand_subword.
128
129 2012-04-11 Eric Botcazou <ebotcazou@adacore.com>
130
131 PR target/52624
132 * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
133 (PowerPC AltiVec/VSX Built-in Functions): Remove it.
134 * doc/md.texi (Standard Names): Add bswap.
135 * builtin-types.def (BT_UINT16): New primitive type.
136 (BT_FN_UINT16_UINT16): New function type.
137 * builtins.def (BUILT_IN_BSWAP16): New.
138 * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
139 (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
140 expand_builtin_bswap.
141 (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
142 (fold_builtin_1): Likewise.
143 (is_inexpensive_builtin): Likewise.
144 * optabs.c (expand_unop): Deal with bswap in HImode specially. Add
145 missing bits for bswap to libcall code.
146 * tree.c (build_common_tree_nodes): Build uint16_type_node.
147 * tree.h (enum tree_index): Add TI_UINT16_TYPE.
148 (uint16_type_node): New define.
149 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
150 * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
151 above builtin.
152 (rs6000_init_builtins): Likewise.
153 * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
154
155 2012-04-11 Tristan Gingold <gingold@adacore.com>
156
157 * doc/extend.texi (Type Attributes): Move paragraph.
158
159 2012-04-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
160
161 PR 24985
162 * diagnostic.h (show_caret): Declare.
163 (caret_max_width): Declare.
164 (diagnostic_show_locus): Declare.
165 * diagnostic.c (diagnostic_initialize): Initialize to false.
166 (diagnostic_show_locus): New.
167 (diagnostic_report_diagnostic): Call it.
168 (getenv_columns): New.
169 (adjust_line): New.
170 (diagnostic_set_caret_max_width): New.
171 * input.c (read_line): New.
172 (location_get_source_line): New.
173 * input.h (location_get_source_line): Declare.
174 * toplev.c (general_init): Initialize show_caret from options.
175 * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
176 * opts.c (common_handle_option): Likewise.
177 * pretty-print.h (pp_get_prefix): New.
178 (pp_base_get_prefix): New.
179 * common.opt (fdiagnostics-show-caret): New option.
180 * doc/invoke.texi (fdiagnostics-show-caret): Document it.
181
182 2012-04-11 Richard Guenther <rguenther@suse.de>
183
184 PR rtl-optimization/52881
185 * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
186
187 2012-04-11 Richard Guenther <rguenther@suse.de>
188
189 PR tree-optimization/52912
190 * tree-ssa-threadupdate.c (thread_block): Tell the cfg
191 manipulation code we are threading through a loop header
192 to an exit destination.
193
194 2012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
195
196 * tree.h (warn_if_unused_value): Move declaration from here.
197 * stmt.c (warn_if_unused_value): Move definition from here.
198
199 2010-04-10 Michael Matz <matz@suse.de>
200
201 * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
202 grouped_stores.
203 (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
204 (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
205 (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
206 (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
207 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
208 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
209 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
210 (vect_record_strided_load_vectors): Rename to
211 vect_record_grouped_load_vectors.
212 * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
213 Rename use of above macros.
214 (vect_verify_datarefs_alignment): Ditto.
215 (vector_alignment_reachable_p): Ditto.
216 (vect_peeling_hash_get_lowest_cost): Ditto.
217 (vect_enhance_data_refs_alignment): Ditto.
218 (vect_analyze_group_access): Ditto and rename stride to groupsize.
219 (vect_analyze_data_ref_access): Rename "strided" to "grouped".
220 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
221 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
222 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
223 (vect_record_strided_load_vectors): Rename to
224 vect_record_grouped_load_vectors.
225 * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
226 (destroy_loop_vec_info): Ditto.
227 (vect_transform_loop): Ditto and rename strided_store to grouped_store.
228 * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
229 (vect_analyze_slp): Ditto.
230 (new_bb_vec_info): Ditto.
231 (destroy_bb_vec_info): Ditto.
232 (vect_schedule_slp_instance): Ditto and rename strided_store to
233 grouped_store.
234 * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
235 vect_cost_group_size.
236 (vect_model_store_cost): Rename use of above macros and call
237 to vect_cost_strided_group_size.
238 (vect_model_load_cost): Ditto.
239 (vectorizable_store): Ditto, rename strided_store to grouped_store
240 and calls to renamed tree-vectorizer.h functions.
241 (vectorizable_load): Ditto.
242 (vect_transform_stmt): Rename use of above macros and strided_store
243 to grouped_store.
244
245 2012-04-10 Jan Hubicka <jh@suse.cz>
246
247 * cgraph.h: Remove misledaing comment on ipa-ref.h.
248 (symtab_type): New enum.
249 (symtab_node): New structure.
250 (cgraph_node, varpool_node): Add symbol base type.
251 (cgraph, varpool): New accestor functions.
252 * cgraph.c (cgraph_create_node_1): Set symbol type.
253 * varpool.c (varpool_node): Set symbol type.
254
255 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
256 Richard Sandiford <rdsandiford@googlemail.com>
257
258 * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
259
260 2012-04-10 Richard Guenther <rguenther@suse.de>
261
262 PR middle-end/52888
263 * gimple-low.c (gimple_check_call_args): Properly account for
264 compatible aggregate types.
265
266 2012-04-10 Richard Guenther <rguenther@suse.de>
267
268 * toplev.h (tree_rest_of_compilation): Remove.
269 * tree-optimize.c (tree_rest_of_compilation): Likewise.
270 * cgraph.h (tree_rest_of_compilation): Declare.
271 * tree-optimize.c (tree_rest_of_compilation): Move ...
272 * cgraphunit.c (tree_rest_of_compilation): ... here.
273 * cgraph.c (cgraph_add_new_function): Adjust.
274 * Makefile.in (tree-optimize.o): Adjust.
275 (cgraphunit.o): Likewise.
276
277 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
278
279 PR tree-optimization/52870
280 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
281 presumed pattern statement is within the same loop or basic block.
282
283 2012-04-10 Tristan Gingold <gingold@adacore.com>
284
285 * gengtype.c (main): Make uintptr_t a known type.
286
287 2012-04-10 Richard Guenther <rguenther@suse.de>
288
289 * tree-pass.h (tree_lowering_passes): Remove.
290 * tree-optimize.c (tree_lowering_passes): Remove.
291 * cgraph.c (cgraph_add_new_function): Inline relevant parts
292 of tree_lowering_passes, avoid redundant call of early local
293 passes.
294 * cgraphunit.c (cgraph_lower_function): Fold into ...
295 (cgraph_analyze_function): ... its single caller. Inline
296 relevant parts of tree_lowering_passes.
297
298 2012-04-09 H.J. Lu <hongjiu.lu@intel.com>
299
300 PR other/52777
301 * config/pa/pa.opt: Remove SIO and GNU_LD.
302
303 2012-04-09 Jan Hubicka <jh@suse.cz>
304
305 PR lto/52722
306 PR lto/51765
307 PR lto/52634
308 * lto-cgraph.c (compute_ltrans_boundary): When alias is in the boundary,
309 add its target too.
310 * lto.c (add_references_to_partition): Add also aliased nodes.
311 (add_cgraph_node_to_partition,
312 add_varpool_node_to_partition): Work on nodes, not functions/variables;
313 when adding alias, add also the aliased object.
314
315 2012-04-09 Uros Bizjak <ubizjak@gmail.com>
316
317 PR target/52883
318 * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
319 VOIDmode immediate operands.
320 * config/i386/constraints.md (Wz): New constraint.
321 * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
322
323 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
324
325 PR target/52717
326 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
327 the DECL generated for the special GOT helper.
328
329 2012-04-09 Oleg Endo <olegendo@gcc.gnu.org>
330
331 * config/sh/constraints.md: Update list of constraints in
332 comment block.
333 (Sr0): Remove unused memory constraint.
334
335 2012-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
336
337 * tree-pretty-print.h: Update comment.
338
339 2012-04-08 Oleg Endo <olegendo@gcc.gnu.org>
340
341 * config/sh/sh.md: Use braced string notation where applicable.
342 (*prefetch_i4, prefetch_m2a): Merge into ...
343 (*prefetch): ... this new insn.
344
345 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
346
347 * config/sh/sh.h (high_life_started): Remove
348 * config/sh/predicates.md (general_movdst_operand): Use
349 'reload_in_progress' instead of 'high_life_started'.
350 * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
351 divsi_inv_fp): Likewise.
352
353 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
354
355 * config/sh/sh-protos.h (prepare_move_operands): Return void
356 instead of int.
357 * config/sh/sh.c (prepare_move_operands): Likewise.
358 * config/sh/sh.md: Remove return value checks of prepare_move_operands.
359
360 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
361
362 * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
363 general_movsrc_operand, general_movdst_operand, arith_reg_operand,
364 fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
365 logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
366 commutative_float_operator, noncommutative_float_operator,
367 sh_handle_pragma): Remove.
368
369 2012-04-06 Sandra Loosemore <sandra@codesourcery.com>
370
371 * doc/invoke.texi: Clean up Texinfo markup throughout the file.
372 Use @option markup on command-line options. Use @samp markup on
373 literal keywords to options. Use @code markup on code fragments.
374 Use other markup in preference to quotation marks in the text.
375 Add markup to some passages without any.
376
377 2012-04-06 Mike Stump <mikestump@comcast.net>
378
379 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
380
381 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
382
383 * config/sh/sh.c (hi_const): Remove.
384 (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
385 of hi_const.
386
387 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
388
389 * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
390 to bool.
391 * config/sh/sh.c (sh_expand_t_scc): Likewise.
392 * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
393 calling sh_expand_t_scc.
394
395 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
396
397 * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
398 nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
399 sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
400 reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
401 sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
402 sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
403 check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
404 sh2a_is_function_vector_call): Use bool as return type.
405 (sh_pass_in_reg_p): Remove.
406 * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
407 flow_dependent_p, sh2a_function_vector_p, expand_block_move,
408 expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
409 sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
410 sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
411 sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
412 fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
413 sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
414 sh_loads_bankedreg_p): Use bool as return type.
415 (nonpic_symbol_mentioned_p): Use bool as return type. Remove
416 'register' modifier.
417
418 2012-04-06 Matt Turner <mattst88@gmail.com>
419
420 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
421
422 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
423
424 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
425 of the destination isn't also a FP_REGS register.
426
427 2012-04-05 Teresa Johnson <tejohnson@google.com>
428 H.J. Lu <hongjiu.lu@intel.com>
429
430 * config/i386/i386.h (ix86_tune_indices): Add
431 X86_TUNE_LCP_STALL.
432 * config/i386/i386.md (move immediate to memory peephole2):
433 Add cases for HImode move when LCP stall avoidance is needed.
434 * config/i386/i386.c (initial_ix86_tune_features): Initialize
435 X86_TUNE_LCP_STALL entry.
436
437 2012-04-05 Uros Bizjak <ubizjak@gmail.com>
438
439 PR target/52882
440 * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
441 CONST_INT operands, zero-extended with AND.
442
443 2012-04-05 Oleg Endo <olegendo@gcc.gnu.org>
444
445 PR target/50751
446 * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
447 first argument instead of mode size. Move displacement calculations
448 to ...
449 (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
450 ... these new functions.
451 (disp_adjust): Remove max_mov_disp field.
452 (sh_legitimate_index_p): Use max_mov_insn_displacement and
453 mov_insn_alignment_mask.
454 (sh_address_cost): Use max_mov_insn_displacement.
455
456 2012-04-05 Andrew Stubbs <ams@codesourcery.com>
457
458 * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
459 (arch_enabled): Handle new arch types.
460 (one_cmpldi2): Add NEON support.
461
462 2012-04-05 Richard Guenther <rguenther@suse.de>
463
464 * gimple.c (walk_gimple_op): Compute val_only for the LHS
465 of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
466 (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
467 * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
468 ... here and make static.
469 * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
470 Remove.
471
472 2012-04-05 Richard Guenther <rguenther@suse.de>
473
474 * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
475 basic-block before removing it.
476
477 2012-04-05 Richard Guenther <rguenther@suse.de>
478
479 * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
480 version namespace as we release the freelist.
481
482 2012-04-05 Richard Guenther <rguenther@suse.de>
483
484 * tree-nrv.c (tree_nrv): Release VDEFs.
485 * tree-sra.c (sra_modify_constructor_assign): Likewise.
486 (sra_modify_assign): Likewise.
487 * tree-vect-stmts.c (vect_remove_stores): Likewise.
488 * tree-vect-loop.c (vect_transform_loop): Likewise.
489 * tree-ssa-dom.c (optimize_stmt): Likewise.
490 * tree-vect-slp.c (vect_schedule_slp): Likewise.
491 * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
492
493 2012-04-05 Richard Guenther <rguenther@suse.de>
494
495 * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
496 cleanup.
497 * gimple.h (gsi_remove): Adjust.
498 * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
499 * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
500 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
501 * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
502 * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
503 * tree-ssa-pre.c (eliminate): Likewise.
504
505 2012-04-04 Mike Stump <mikestump@comcast.net>
506
507 * doc/rtl.texi (const_double): Document as sign-extending.
508 * expmed.c (expand_mult): Ensure we don't use shift
509 incorrectly.
510 * emit-rtl.c (immed_double_int_const): Refine to state the
511 value is signed.
512 * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
513 CONST_DOUBLE integers.
514 (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
515 negative values are converted. Fix conversions bigger than
516 HOST_BITS_PER_WIDE_INT.
517 (simplify_binary_operation_1): Ensure we don't use shift
518 incorrectly.
519 (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
520 * explow.c (plus_constant_mode): Add.
521 (plus_constant): Implement with plus_constant_mode.
522 * rtl.h (plus_constant_mode): Add.
523
524 2012-04-04 Richard Guenther <rguenther@suse.de>
525
526 PR tree-optimization/52808
527 * tracer.c (tail_duplicate): Do not tail-duplicate loop header
528 blocks.
529 * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
530
531 2012-04-04 Tristan Gingold <gingold@adacore.com>
532
533 * expr.c (expand_expr_real_2): Handle larger sizetype in
534 POINTER_PLUS_EXPR.
535
536 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
537
538 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
539 to m2a-single instead of m2e.
540
541 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
542
543 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
544 Change type of BITOFFSET to signed. Make sure the lower bound of
545 the computed range is non-negative by adjusting OFFSET and BITPOS.
546 (expand_assignment): Adjust call to get_bit_range.
547
548 2012-04-03 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
549
550 * h8300/h8300.c (h8300_current_function_monitor_function_p):
551 New function. Added to check monitor functions.
552 (h8300_option_override): Modified to generate error/warning
553 messages for invalid combinations of different command line
554 options.
555 * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
556 save EXR on stack for monitor function in case of H8S target
557 when "-mno-exr" is passed.
558 * h8300/h8300-protos.h
559 (h8300_current_function_monitor_function_p): Add prototype.
560 * doc/invoke.texi: Document H8S options.
561
562 2012-04-03 Tristan Gingold <gingold@adacore.com>
563
564 * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
565 of gcc_AC_FUNC_MMAP_BLACKLIST.
566 * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
567 * Makefile.in (aclocal_deps): Add mmap.m4.
568 * configure: Regenerate.
569 * aclocal.m4: Regenerate.
570
571 2012-04-03 Richard Guenther <rguenther@suse.de>
572
573 PR tree-optimization/52808
574 * tracer.c (tail_duplicate): Return whether we have duplicated
575 any block.
576 (tracer): If we have duplicated any block, cleanup the CFG.
577 * cfghooks.c (duplicate_block): If we duplicated a loop
578 header but not its loop, destroy the loop because it now has
579 multiple entries.
580 * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
581 the cfg manipulation routines we are not creating a multiple
582 entry loop.
583
584 2012-04-03 Tristan Gingold <gingold@adacore.com>
585
586 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
587 'byte' alignment.
588 (vms_c_common_override_options): Allow parameterless variadic
589 functions.
590
591 2012-04-03 Jakub Jelinek <jakub@redhat.com>
592
593 PR tree-optimization/52835
594 * tree-data-ref.c (build_rdg): Return NULL if
595 compute_data_dependences_for_loop failed.
596
597 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
598
599 * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
600 for REAL_CST as well.
601 (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
602 In the bitfield case, if the value is a REAL_CST, convert it first to
603 an INTEGER_CST.
604
605 2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
606
607 * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
608 for --with-abi={x32|mx32} or --with-multilib-list=mx32.
609 (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
610
611 * config/i386/biarchx32.h: New.
612
613 2012-04-02 Anatoly Sokolov <aesok@post.ru>
614
615 * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
616 * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
617 (arm_preferred_reload_class): New function.
618
619 2012-04-02 Richard Guenther <rguenther@suse.de>
620
621 PR tree-optimization/52756
622 * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
623 (thread_through_loop_header): After threading through the loop latch
624 remove the split part from the loop and clear further threading
625 opportunities that would create a multiple entry loop.
626
627 2012-04-02 Richard Guenther <rguenther@suse.de>
628
629 PR rtl-optimization/52800
630 * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
631 CLEANUP_CFG_CHANGED.
632
633 2012-04-02 Richard Guenther <rguenther@suse.de>
634
635 PR middle-end/52803
636 * loop-init.c (gate_handle_loop2): Destroy loops here if
637 we don't enter RTL loop optimizers.
638
639 2012-04-02 Uros Bizjak <ubizjak@gmail.com>
640
641 Partially revert:
642 2012-03-29 Richard Guenther <rguenther@suse.de>
643
644 * rtl.h (extended_count): Remove.
645 * combine.c (extended_count): Remove.
646
647 2012-04-02 Dodji Seketeli <dodji@redhat.com>
648
649 PR c++/40942
650 * pt.c (more_specialized_fn): Don't apply decay conversion to
651 types of function parameters.
652
653 2012-04-02 Tristan Gingold <gingold@adacore.com>
654
655 * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
656 (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
657 (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
658 (ggc_pch_this_base): Use uintptr_t instead of size_t.
659
660 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
661
662 PR bootstrap/52784
663 * config/i386/i386.c (ix86_option_override_internal): Don't
664 check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
665
666 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
667
668 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
669 (stmt_can_make_abnormal_goto): Use it.
670 (is_ctrl_altering_stmt): Likewise.
671
672 2012-03-30 Naveen H.S <naveen.S@kpitcummins.com>
673 Kaz Kojima <kkojima@gcc.gnu.org>
674
675 * config/sh/sh.c (push_regs): Skip banked registers when
676 resbank attribute is specified.
677 (sh_expand_epilogue): Likewise.
678
679 2012-03-30 Richard Henderson <rth@redhat.com>
680
681 PR debug/52727
682 * combine-stack-adj.c (prev_active_insn_bb): New.
683 (next_active_insn_bb): New.
684 (force_move_args_size_note): New.
685 (combine_stack_adjustments_for_block): Use it.
686
687 2012-03-30 Richard Henderson <rth@redhat.com>
688
689 * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
690 (ix86_expand_vector_init_duplicate): Initialize it.
691 (expand_vec_perm_palignr): Likewise.
692 (ix86_expand_vec_perm_const): Likewise.
693 (ix86_vectorize_vec_perm_const_ok): Likewise.
694 (expand_vec_perm_blend): Use it.
695 (expand_vec_perm_vpermil): Likewise.
696 (expand_vec_perm_pshufb): Likewise.
697 (expand_vec_perm_1): Likewise.
698 (expand_vec_perm_pshuflw_pshufhw): Likewise.
699 (expand_vec_perm_interleave2): Likewise.
700 (expand_vec_perm_vpermq_perm_1): Likewise.
701 (expand_vec_perm_vperm2f128): Likewise.
702 (expand_vec_perm_interleave3): Likewise.
703 (expand_vec_perm_vperm2f128_vblend): Likewise.
704 (expand_vec_perm_vpshufb2_vpermq): Likewise.
705 (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
706 (expand_vec_perm_broadcast): Likewise.
707 (expand_vec_perm_vpshufb4_vpermq2): Likewise.
708
709 2012-03-30 Richard Henderson <rth@redhat.com>
710
711 * dwarf2out.c (gen_variable_die): Initialize off.
712
713 2012-03-30 Tristan Gingold <gingold@adacore.com>
714
715 * config/vms/vms-f.c: New file.
716 * config/vms/t-vms (vms-f.o): New rule.
717 * config.gcc (*-*-*vms*): Define fortran_target_objs.
718
719 2012-03-30 Richard Guenther <rguenther@suse.de>
720
721 PR tree-optimization/52754
722 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
723 propagate arbitrary addresses into really plain dereferences.
724
725 2012-03-30 Richard Guenther <rguenther@suse.de>
726
727 PR middle-end/52772
728 * except.c (emit_to_new_bb_before): Move loop updating ...
729 (dw2_build_landing_pads): ... here. Use a proper block for
730 querying the loop father.
731
732 2012-03-30 Tristan Gingold <gingold@adacore.com>
733
734 * config/ia64/ia64.c (ia64_section_type_flags): Remove
735 common_object attribute handling.
736 (SECTION_VMS_OVERLAY): Remove
737 (ia64_vms_common_object_attribute): Replace abort with an assert.
738 Do not set DECL_SECTION_NAME.
739 (ia64_vms_output_aligned_decl_common): Handle common_object
740 attribute.
741 (ia64_vms_elf_asm_named_section): Remove.
742 * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
743
744 2012-03-30 Richard Guenther <rguenther@suse.de>
745
746 PR middle-end/52786
747 * double-int.c (rshift_double): Remove not needed cast.
748
749 2012-03-30 Richard Guenther <rguenther@suse.de>
750
751 * tree-affine.h (print_aff): Remove.
752 * tree-affine.c (print_aff): Make static.
753 * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
754 (get_references_in_stmt): Likewise.
755 (print_direction_vector): Likewise.
756 (print_dir_vectors): Likewise.
757 (print_dist_vectors): Likewise.
758 (dump_subscript): Likewise.
759 (dump_ddrs): Likewise.
760 (dump_dist_dir_vectors): Likewise.
761 (dump_data_references): Likewise.
762 (dump_data_dependence_relation): Likewise.
763 (dump_data_dependence_direction): Likewise.
764 (dump_rdg_vertex): Likewise.
765 (dump_rdg_component): Likewise.
766 (debug_ddrs): Declare.
767 (struct data_ref_loc_d): Move ...
768 * tree-data-ref.c (struct data_ref_loc_d): ... here.
769 (get_references_in_stmt): Make static.
770 (dump_data_references): Likewise.
771 (dump_subscript): Likewise.
772 (print_direction_vector): Likewise.
773 (print_dir_vectors): Likewise.
774 (print_dist_vectors): Likewise.
775 (dump_data_dependence_relation): Likewise.
776 (dump_dist_dir_vectors): Likewise.
777 (dump_ddrs): Likewise.
778 (dump_rdg_vertex): Likewise.
779 (dump_rdg_component): Likewise.
780 (debug_ddrs): New function.
781 (access_matrix_get_index_for_parameter): Remove.
782
783 2012-03-30 Tristan Gingold <gingold@adacore.com>
784
785 * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
786 (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
787 (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
788 (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
789 (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
790 (vms_patch_builtins): Handle new flags
791 * config/vms/vms-crtlmap.map: Completed using nm on
792 c and math system libraries.
793 * config/vms/make-crtlmap.awk: Handle any number of flags.
794
795 2012-03-30 Martin Jambor <mjambor@suse.cz>
796
797 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
798 is a builtin_stack_save in a dominating BB.
799
800 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
801
802 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
803 crossing 128bit lane boundary.
804
805 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
806
807 * ira-color.c (setup_left_conflict_sizes_p): Process all
808 conflicting objects.
809
810 2012-03-29 Jakub Jelinek <jakub@redhat.com>
811
812 PR tree-optimization/52760
813 * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
814 shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
815
816 2012-03-29 Richard Guenther <rguenther@suse.de>
817
818 * cgraph.h (cgraph_materialize_all_clones): Remove.
819 (reset_inline_failed): Likewise.
820 * cgraphunit.c (cgraph_materialize_all_clones): Make static.
821 * cgraphbuild.c (reset_inline_failed): Remove.
822 * rtl.h (cse_main): Remove.
823 (extended_count): Likewise.
824 * cse.c (dump_class): Mark as DEBUG_FUNCTION.
825 (cse_main): Make static.
826 * combine.c (extended_count): Remove.
827 (dump_combine_stats): Mark as DEBUG_FUNCTION.
828 * basic-block.h (reorder_basic_blocks): Remove.
829 * bb-reorder.c (reorder_basic_blocks): Make static.
830 * Makefile.in (dse.o): Remove dse.h dependency.
831 * dse.h: Remove.
832 * dse.c (gate_dse): Remove.
833 (clear_alias_mode_eq): Likewise.
834 (clear_alias_mode_hash): Likewise.
835 (dse_record_singleton_alias_set): Likewise.
836 (dse_invalidate_singleton_alias_set): Likewise.
837
838 2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
839
840 * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
841 crtbegin_so%O%s for -shared.
842 (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
843
844 2012-03-29 Richard Guenther <rguenther@suse.de>
845
846 * tree-flow.h (struct pre_expr_d): Remove forward declaration.
847 (add_to_value): Remove.
848 (print_value_expressions): Likewise.
849 * tree-ssa-pre.c (add_to_value): Make static.
850 (print_value_expressions): Likewise.
851 * gimple.h (gimple_adjust_this_by_delta): Remove.
852 * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
853
854 2012-03-29 Richard Guenther <rguenther@suse.de>
855
856 PR middle-end/50708
857 * double-int.h (rshift_double): Remove.
858 * double-int.c (lshift_double): Use absu_hwi to make count
859 positive.
860 (rshift_double): Make static, take unsigned count argument,
861 remove handling of negative count argument.
862 (double_int_rshift): Dispatch to lshift_double.
863
864 2012-03-28 H.J. Lu <hongjiu.lu@intel.com>
865
866 * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
867 OPTION_MASK_ABI_64.
868
869 * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
870 (SPEC_X32): Likewise.
871 (MULTILIB_DEFAULTS): Likewise.
872
873 * config/i386/i386.c (isa_opts): Remove -m64.
874 (ix86_target_string): Properly handle -m32/-m64/-mx32.
875 (ix86_option_override_internal): Properly
876 set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
877 handle -m32, -m64 and -mx32.
878
879 * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
880 with OPTION_ABI_X32. Moved after TARGET_LP64.
881 (TARGET_LP64): Changed to OPTION_ABI_64.
882
883 * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
884 (mx32): Replace ISA_X32 with ABI_X32.
885
886 2012-03-28 Eric Botcazou <ebotcazou@adacore.com>
887
888 * tree.c (tree_size) <VECTOR_CST>: New case.
889
890 2012-03-28 Uros Bizjak <ubizjak@gmail.com>
891
892 * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
893 (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
894
895 2012-03-28 Jakub Jelinek <jakub@redhat.com>
896
897 PR middle-end/52691
898 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
899 __builtin_va_start to __builtin_next_arg if the latter is
900 builtin_decl_explicit_p rather than when it is not.
901
902 PR middle-end/52750
903 * tree-vect-generic.c (vector_element): Perform multiplication
904 for pos in bitsizetype type instead of idx type.
905
906 2012-03-28 Richard Guenther <rguenther@suse.de>
907
908 * loop-init.c (loop_optimizer_init): If loops are preserved
909 perform incremental initialization of required loop features.
910 (loop_optimizer_finalize): If loops are to be preserved only
911 clean up optional loop features.
912 (rtl_loop_done): Forcefully free loops here.
913 * cgraph.c (cgraph_release_function_body): Forcefully free loops.
914 * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
915 to existing loops.
916 (construct_init_block): Likewise.
917 (construct_exit_block): Likewise.
918 (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state. Cleanup
919 the CFG after expanding.
920 * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
921 If we needed to calculate them, free them afterwards.
922 * tree-pass.h (PROP_loops): New define.
923 * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
924 * basic-block.h (CLEANUP_CFG_CHANGED): New.
925 * cfgcleanup.c (merge_blocks_move): Protect loop latches.
926 (cleanup_cfg): If we did something and have loops around, fix them up.
927 * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
928 with CLEANUP_CFG_CHANGED.
929 * cfghooks.c (merge_blocks): If we merge a loop header into
930 its predecessor, update the loop structure.
931 (duplicate_block): If we copy a loop latch, adjust loop state
932 to note we may have multiple latches.
933 (delete_basic_block): Mark loops for fixup if we remove a loop.
934 * cfganal.c (forwarder_block_p): Protect loop latches, headers
935 and preheaders.
936 * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
937 (cfg_layout_can_merge_blocks_p): Likewise.
938 * cprop.c (bypass_block): If we create a loop with multiple
939 entries, mark it for removal.
940 * except.c (emit_to_new_bb_before): Add the new basic-block
941 to existing loops.
942 * tree-eh.c (lower_resx): Likewise.
943 * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
944 (expand_omp_taskreg): Likewise.
945 * tree-inline.c (initialize_cfun): Likewise.
946 * tree-mudflap.c (add_bb_to_loop): Prototype.
947 (mf_build_check_statement_for): Properly add new basic-blocks
948 to existing loops.
949 * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
950 if we remove a loop.
951 (thread_through_loop_header): Likewise.
952 * trans-mem.c (tm_log_emit_save_or_restores): Properly add
953 new basic-blocks to existing loops.
954 (expand_transaction): Likewise.
955 * Makefile.in (except.o): Add $(CFGLOOP_H).
956 (expr.o): Likewise.
957 (cgraph.o): Likewise.
958 (cprop.o): Likewise.
959 (cfgexpand.o): Likewise.
960 (cfganal.o): Likewise.
961 (trans-mem.o): Likewise.
962 (tree-eh.o): Likewise.
963
964 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
965
966 PR target/52692
967 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
968 (avr_builtin_decl): New static function.
969 (struct avr_builtin_description, avr_bdesc): Move up.
970 Add GTY marker. Add field fndecl. Remove redundant field id.
971 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
972 (avr_expand_builtin): Code cleanup because .id is removed.
973
974 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
975
976 PR target/52737
977 * config.gcc (tm_file): Remove avr/multilib.h.
978
979 * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
980
981 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
982 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
983 * config/avr/t-avr: Remove generation of multilib.h.
984 * config/avr/t-multilib: Regenerate.
985 * config/avr/multilib.h: Remove.
986 * config/avr/avr.opt (-msp8): New option.
987 (avr_sp8): New variable.
988 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
989 * config/avr/avr.h (AVR_HAVE_SPH): New define.
990 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
991 (avr_device_to_sp8): New prototype.
992 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
993 (DRIVER_SELF_SPECS): New define.
994 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
995 __AVR_SP8__, __AVR_HAVE_SPH__.
996 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
997 AVR_HAVE_8BIT_SP to decide if SP_H is present.
998 (avr_file_start): Ditto.
999
1000 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1001
1002 PR target/52736
1003 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1004 instead of 8 in adjust_address.
1005
1006 2012-03-27 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1007
1008 PR middle-end/51893
1009 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1010 targets.
1011
1012 2012-03-27 Oleg Endo <olegendo@gcc.gnu.org>
1013
1014 PR target/50751
1015 * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
1016 Rearrange conditional logic. Move displacement address calculations
1017 to ...
1018 (sh_find_mov_disp_adjust): ... this new function.
1019
1020 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
1021
1022 * config/arm/arm.opt (mapcs): Remove MaskExists.
1023 * config/cris/linux.opt (mno-gotplt): Likewise.
1024 * config/i386/i386.opt (mhard-float): Likewise.
1025 (msse4): Likewise.
1026 (mno-sse4): Likewise.
1027 * config/m68k/m68k.opt (mhard-float): Likewise.
1028 * config/mep/mep.op (mcop32): Likewise.
1029 * config/pa/pa-hpux.opt (msio): Likewise.
1030 * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
1031 * config/picochip/picochip.opt (mlittle): Likewise.
1032 * config/sh/sh.opt (mrenesas): Likewise.
1033 * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
1034 * config/sparc/sparc.opt (mhard-float): Likewise.
1035 * config/v850/v850.opt (mv850es): Likewise.
1036 * config/vax/vax.opt (mg-float): Likewise.
1037
1038 2012-03-27 Martin Jambor <mjambor@suse.cz>
1039
1040 PR middle-end/52693
1041 * tree-sra.c (sra_modify_assign): Do not call
1042 load_assign_lhs_subreplacements when working with an unscalarizable
1043 region.
1044
1045 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1046
1047 PR target/52698
1048 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1049 New prototype.
1050 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1051 * config/i386/i386.c: Include reload.h.
1052 (ix86_legitimize_reload_address): New function.
1053
1054 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
1055
1056 * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
1057 hasn't been allocated. Define a target macro for Mask and
1058 InverseMask if it hasn't been defined. Remove MaskExists handling.
1059
1060 * doc/options.texi: Remove MaskExists.
1061
1062 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1063
1064 PR target/52667
1065 * config/sh/sh.c (find_barrier): Add equality check of last_got
1066 to avoid going above orig insn. Update comments.
1067
1068 2012-03-27 Richard Guenther <rguenther@suse.de>
1069
1070 PR middle-end/52720
1071 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1072 explicitely.
1073
1074 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1075
1076 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1077 of a unit before computing the offset in units.
1078 * expr.c (get_bit_range): Return the null range if the enclosing record
1079 is part of a larger bit field.
1080
1081 2012-03-27 Tristan Gingold <gingold@adacore.com>
1082
1083 * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
1084 * config/ia64/ia64.md: Remove mode in template.
1085 Sign extend operand in expand_simple_binop.
1086 * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
1087 CASE_VECTOR_MODE instead of TARGET_ILP32.
1088 (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
1089
1090 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
1091
1092 * varasm.c (assemble_external): #if 0 out the new assert from the
1093 previous commit, it breaks the Java and Go front ends.
1094
1095 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
1096
1097 * toplev.c (check_global_declaration_1): Do not call assemble_external.
1098 * expr.c (emit_block_move_libcall_fn): Likewise.
1099 (clear_storage_libcall_fn): Likewise.
1100 (expand_expr_addr_expr_1): Likewise.
1101 (expand_expr_real_1): Likewise.
1102 * calls.c (rtx_for_function_call): Likewise.
1103
1104 * varasm.c (assemble_external): Assert this function is only called
1105 during or after expanding to RTL.
1106
1107 2012-03-26 Martin Jambor <mjambor@suse.cz>
1108
1109 PR tree-optimization/50052
1110 * tree-sra.c (tree_non_aligned_mem_p): Removed.
1111 (tree_non_aligned_mem_for_access_p): Likewise.
1112 (build_accesses_from_assign): Removed strict alignment requirements
1113 checks.
1114 (access_precludes_ipa_sra_p): Likewise.
1115
1116 2012-03-26 Richard Guenther <rguenther@suse.de>
1117
1118 PR tree-optimization/52701
1119 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1120 compute and set the evolution part of PHI nodes.
1121
1122 2012-03-26 Richard Guenther <rguenther@suse.de>
1123
1124 PR tree-optimization/52721
1125 * tree-vect-stmts.c (vect_init_vector): Handle scalars.
1126
1127 2012-03-26 Ulrich Weigand <ulrich.weigand@linaro.org>
1128
1129 PR tree-optimization/52686
1130 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
1131 WIDEN_LSHIFT_EXPR.
1132
1133 2012-03-26 Tristan Gingold <gingold@adacore.com>
1134
1135 * config/alpha/vms.h (LINK_SPEC): Simplify.
1136 (STARTFILE_SPEC): Remove -mvms-return-codes handling.
1137 (NAME__MAIN, SYMBOL__MAIN): Remove.
1138 (VMS_DEBUG_MAIN_POINTER): Remove.
1139 * config/ia64/vms.h: Likewise.
1140 * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
1141 code to vms.c. Call vms_start_function.
1142 * config/ia64/ia64.c (ia64_start_function): Likewise.
1143 * config/vms/vms-protos.h (vms_start_function): Declare.
1144 * config/vms/vms.c (vms_start_function): New function.
1145 * config/vms/vms.h (MATH_LIBRARY): Define.
1146 (VMS_DEBUG_MAIN_POINTER): Define.
1147
1148 2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
1149
1150 PR rtl-optimization/52629
1151 * reload1.c (count_pseudo): Short-circuit common case.
1152 (count_spilled_pseudo): Return early for pseudos without hard regs.
1153 Assert that the pseudo has got a hard reg before manipulating it.
1154
1155 2012-03-24 Jan Hubicka <jh@suse.cz>
1156
1157 PR lto/51663
1158 * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
1159 (decide_is_variable_needed): Do not handle toplevel reorder here.
1160 * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
1161 * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
1162 even at -O0.
1163
1164 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1165
1166 * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
1167 and str_bitsize instead of more convoluted expressions.
1168
1169 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1170
1171 PR target/52610
1172 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1173
1174 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1175
1176 PR target/52656
1177 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
1178
1179 2012-03-23 Martin Jambor <mjambor@suse.cz>
1180
1181 * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
1182
1183 2012-03-23 Richard Guenther <rguenther@suse.de>
1184
1185 PR tree-optimization/52678
1186 * tree-vectorizer.h (struct _stmt_vec_info): Add
1187 loop_phi_evolution_part member.
1188 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1189 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1190 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1191 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1192 Use the cached evolution part and the PHI nodes value from
1193 the loop preheader edge instead of re-analyzing the evolution.
1194
1195 2012-03-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1196
1197 * config/mips/mips-tables.opt: Update.
1198 * config/mips/mips.md (processor): Add xlp.
1199 * config/mips/mips-cpus.def: Add xlp.
1200 * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
1201 5KF for now.
1202 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
1203 * doc/invoke.texi: Mention XLP.
1204
1205 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1206
1207 PR middle-end/52547
1208 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1209 on any new_local_var_chain vars declared during recursing on
1210 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1211
1212 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
1213
1214 * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
1215 (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
1216 (ASM_OUTPUT_LOCAL): Ditto.
1217 (ASM_OUTPUT_COMMON): Remove.
1218 * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
1219 * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
1220
1221 2012-03-22 Jan Hubicka <jh@suse.cz>
1222
1223 PR middle-end/51737
1224 * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
1225 parameter.
1226 * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
1227 * ipa-inline-transform.c (save_inline_function_body): Remove
1228 copied clone if needed.
1229 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
1230
1231 2012-03-22 Richard Guenther <rguenther@suse.de>
1232
1233 PR middle-end/52666
1234 * fold-const.c (fold_ternary_loc): Fix typo.
1235
1236 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1237
1238 PR target/52496
1239 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1240 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1241 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1242 (delay_cycles_1, delay_cycles_2): Ditto.
1243 (delay_cycles_3, delay_cycles_4): Ditto.
1244 (nopv, *nopv): Ditto.
1245 (sleep, *sleep): Ditto.
1246 (wdr, *wdr): Ditto.
1247
1248 2012-03-22 Richard Guenther <rguenther@suse.de>
1249
1250 PR tree-optimization/52548
1251 * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
1252 because of clobbers.
1253 (prune_clobbered_mems): New function.
1254 (compute_antic_aux): Use it to prune ANTIC_OUT.
1255 (compute_partial_antic_aux): Use it to prune PA_IN.
1256 (compute_avail): Only insert expressions into EXP_GEN that are not
1257 invalidated when translated up to the beginning of the block.
1258
1259 2012-03-22 Richard Guenther <rguenther@suse.de>
1260
1261 PR tree-optimization/52638
1262 * tree-vect-stmts.c (vect_init_vector_1): New function, split
1263 out from ...
1264 (vect_init_vector): ... here. Handle scalar vector inits.
1265 (vect_get_vec_def_for_operand): Adjust.
1266 (vectorizable_load): Likewise.
1267
1268 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
1269
1270 * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
1271 (alpha*-*-freebsd*): Ditto.
1272 (alpha*-*-netbsd*): Ditto.
1273 (alpha*-*-openbsd*): Ditto.
1274 * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
1275 (DWARF2_DEBUGGING_INFO): Remove.
1276 (PREFERRED_DEBUGGING_TYPE): Remove.
1277 (ASM_FINAL_SPEC): Remove.
1278 (IDENT_ASM_OP): Remove.
1279 (ASM_OUTPUT_IDENT): Remove.
1280 (SKIP_ASM_OP): Remove.
1281 (ASM_OUTPUT_SKIP): Remove.
1282 (ALIGN_ASM_OP): Remove.
1283 (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
1284 (ASM_OUTPUT_CASE_LABEL): Remove.
1285 (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
1286 (COMMON_ASM_OP): Remove.
1287 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1288 (ASCII_DATA_ASM_OP): Remove.
1289 (READONLY_DATA_SECTION_ASM_OP): Remove.
1290 (INIT_SECTION_ASM_OP): Remove.
1291 (FINI_SECTION_ASM_OP): Remove.
1292 (ASM_SECTION_START_OP): Remove.
1293 (ASM_OUTPUT_SECTION_START_FILE): Remove.
1294 (TARGET_ASM_NAMED_SECTION): Remove.
1295 (TARGET_ASM_SELECT_SECTION): Remove.
1296 (MAKE_DECL_ONE_ONLY): Remove.
1297 (TYPE_ASM_OP): Remove.
1298 (SIZE_ASM_OP): Remove.
1299 (ASM_WEAKEN_LABEL): Remove.
1300 (TYPE_OPERAND_FMT): Remove.
1301 (ASM_DECLARE_RESULT): Remove.
1302 (ASM_DECLARE_OBJECT_NAME): Remove.
1303 (ASM_FINISH_DECLARE_OBJECT): Remove.
1304 (ELF_ASCII_ESCAPES): Remove.
1305 (ELF_STRING_LIMIT): Remove.
1306 (STRING_ASM_OP): Remove.
1307 (ASM_OUTPUT_EXTERNAL): Remove.
1308 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
1309 * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
1310 before define.
1311 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1312 (ASM_DECLARE_FUNCTION_SIZE): Ditto.
1313 (ASM_GENERATE_INTERNAL_LABEL): Ditto.
1314 (ASM_OUTPUT_SKIP): Ditto.
1315 (READONLY_DATA_SECTION_ASM_OP): Remove.
1316 (USER_LABEL_PREFIX): Remove.
1317 (ASM_OUTPUT_ASCII): Remove.
1318 (ASM_OUTPUT_CASE_LABEL): Remove.
1319 (NO_DOLLAR_IN_LABEL): Undefine.
1320
1321 2012-03-22 Richard Guenther <rguenther@suse.de>
1322
1323 PR tree-optimization/52459
1324 * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
1325 PHI insertion for calls.
1326
1327 2012-03-21 Steven Bosscher <steven@gcc.gnu.org>
1328
1329 * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
1330 find_sets_in_insn, canonicalize_insn): Split out from ...
1331 (cse_insn): ... here.
1332 (invalidate_from_clobbers): Take an insn instead of the pattern.
1333
1334 2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
1335
1336 PR target/52479
1337 * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
1338 * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
1339 * config/sh/sh.md (sindf2, cosdf2): Remove.
1340
1341 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1342
1343 PR target/52642
1344 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1345 prologue for unwinder and profiler.
1346
1347 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1348
1349 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1350 Introduce emul_name to select the right linker emulation for
1351 powerpc64-*-freebsd*.
1352 * configure: Regenerate.
1353 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1354 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1355 * config/rs6000/freebsd64.h: New file.
1356 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1357 POWERPC_FREEBSD.
1358 (rs6000_savres_strategy): Likewise.
1359 (rs6000_savres_routine_name): Likewise.
1360 (rs6000_elf_file_end): Likewise.
1361 * config/rs6000/t-freebsd64: New file.
1362 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1363 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1364
1365 * config/rs6000/freebsd64.h: Remove duplicated entries from last
1366 commit.
1367 * config/rs6000/t-freebsd64: Likewise.
1368
1369 2012-03-21 Georg-Johann Lay <avr@gjlay.de>
1370
1371 PR rtl-optimization/52543
1372 PR target/52461
1373 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1374 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1375 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1376 (avr_load_libgcc_p): Restrict to __flash loads.
1377 (avr_out_lpm): Only handle 1-byte loads from __flash.
1378 (avr_load_lpm): New function.
1379 (avr_find_unused_d_reg): Remove.
1380 (avr_out_lpm_no_lpmx): Remove.
1381 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1382 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1383 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1384 (load_<mode>, load_<mode>_clobber): New insns.
1385 (mov<mode>): For multi-byte move from non-generic
1386 16-bit address spaces: Expand to load_<mode> resp.
1387 load_<mode>_clobber.
1388 (load<mode>_libgcc): Remove expander.
1389 (split-lpmx): Remove split.
1390
1391 2012-03-21 Richard Earnshaw <rearnsha@arm.com>
1392
1393 * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
1394 * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
1395 All callers changed.
1396 (Fixed_core_reg): New feature.
1397 (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg. Allow fmrrd in
1398 disassembly.
1399 * neon-testgen.ml: Handle Fixed_core_reg.
1400
1401 2012-03-21 Andrew Stubbs <ams@codesourcery.com>
1402
1403 * config/arm/arm.c (thumb2_reorg): Add complete support
1404 for 16-bit instructions.
1405 * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
1406
1407 2012-03-21 Richard Guenther <rguenther@suse.de>
1408
1409 PR tree-optimizer/52636
1410 * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
1411 to the appropriate type.
1412
1413 2012-03-21 Richard Guenther <rguenther@suse.de>
1414
1415 * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
1416 dependencies.
1417 * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
1418 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1419 * passes.c (init_optimization_passes): Remove pass_init_function,
1420 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1421 * tree-pass.h (pass_init_function): Remove.
1422 (pass_jump): Remove.
1423 (pass_initial_value_sets): Remove.
1424 (pass_unshare_all_rtl): Remove.
1425 * integrate.c (pass_initial_value_sets): Remove.
1426 * emit-rtl.c (pass_unshare_all_rtl): Remove.
1427 * tree.h (init_function_for_compilation): Remove.
1428 * function.c (init_function_for_compilation): Remove.
1429 (pass_init_function): Remove.
1430 * cfgcleanup.c (rest_of_handle_jump): Remove.
1431 (pass_jump): Remove.
1432
1433 2012-03-20 Jason Merrill <jason@redhat.com>
1434
1435 * tree-streamer-in.c (streamer_alloc_tree): Call
1436 ggc_alloc_zone_cleared_tree_node instead of
1437 ggc_alloc_zone_cleared_tree_node_stat.
1438
1439 2012-03-20 Jonathan Wakely <jwakely.gcc@gmail.com>
1440
1441 * doc/extend.texi (Template Instantiation): Remove anachronisms.
1442
1443 2012-03-20 Jakub Jelinek <jakub@redhat.com>
1444
1445 PR target/52607
1446 * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
1447 (ix86_expand_vec_perm_const_1): Call it.
1448
1449 * config/i386/i386.c (vselect_insn): New variable.
1450 (init_vselect_insn): New function.
1451 (expand_vselect, expand_vselect_insn): Add testing_p argument.
1452 Call init_vselect_insn if vselect_insn is NULL. Adjust
1453 PATTERN (vselect_insn), instead of creating a new insn each time,
1454 only emit a copy of it if not testing and recog has been successful.
1455 (expand_vec_perm_pshufb, expand_vec_perm_1,
1456 expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
1457 callers.
1458
1459 PR target/52607
1460 * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
1461 ("enabled" attribute): Handle avx2 and noavx2 isas.
1462 * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
1463 New insns.
1464 (vec_dup<mode>): Add avx2 =x,x alternative.
1465 (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
1466 (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
1467 For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
1468 * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
1469 for V8SFmode.
1470 (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
1471 if possible, handle also V8SFmode.
1472
1473 2012-03-20 Richard Earnshaw <rearnsha@arm.com>
1474
1475 * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
1476 * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
1477 reg_or_zero_operand predicate.
1478 (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
1479
1480 2012-03-20 Jakub Jelinek <jakub@redhat.com>
1481
1482 * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
1483 If operand isn't UNSPEC, return 0.
1484
1485 2012-03-20 Richard Guenther <rguenther@suse.de>
1486
1487 * tree-pass.h (pass_rtl_eh): Remove.
1488 * except.c (gate_handle_eh): Likewise.
1489 (rest_of_handle_eh): Likewise.
1490 (pass_rtl_eh): Likewise.
1491 (finish_eh_generation): Export.
1492 * except.h (finish_eh_generation): Declare.
1493 * passes.c (init_optimization_passes): Remove pass_rtl_eh.
1494 * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
1495 after expanding stack alignment. Instead of compacting blocks
1496 call cleanup_cfg.
1497
1498 2012-03-20 Richard Guenther <rguenther@suse.de>
1499
1500 * stor-layout.c (finish_bitfield_representative): Fallback
1501 to conservative maximum size if the padding up to the next
1502 field cannot be computed as a constant.
1503 (finish_bitfield_layout): If we cannot compute the distance
1504 between the start of the bitfield representative and the
1505 bitfield member start a new representative.
1506 * expr.c (get_bit_range): The distance between the start of
1507 the bitfield representative and the bitfield member is zero
1508 if the field offsets are not constants.
1509
1510 2012-03-20 Tristan Gingold <gingold@adacore.com>
1511
1512 * tree.h (enum size_type_kind): Add stk_ prefix to constants,
1513 convert in lowercase.
1514 (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
1515 (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
1516 * stor-layout.c (sizetype_tab): Adjust.
1517 (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
1518 * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
1519 instead of type_kind_last.
1520 * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
1521 instead of size_int_kind.
1522 * doc/tm.texi.in (Type Layout): Document SIZETYPE.
1523 * doc/tm.texi: Regenerate.
1524 * defaults.h (SIZETYPE): Provide a default value.
1525 * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
1526 (SIZETYPE): Define.
1527
1528 2012-03-20 Oleg Endo <olegendo@gcc.gnu.org>
1529
1530 * config/sh/sh.md: Use braced string notation where applicable.
1531
1532 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1533
1534 * config/i386/i386.md (allocate_stack): Simplify.
1535
1536 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1537
1538 * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
1539 copy_to_mode_reg (Pmode, ...).
1540 (expand_builtin_frame_address): Ditto.
1541 * expr.c (emit_block_move_via_libcall): Ditto.
1542 (set_storage_via_libcall): Ditto.
1543
1544 * config/i386/i386.c (ix86_expand_movmem): Ditto.
1545 (ix86_expand_setmem): Ditto.
1546 (ix86_trampoline_init): DItto.
1547 * config/i386/i386.md (cmpstrnsi): Ditto.
1548
1549 2012-03-19 Sandra Loosemore <sandra@codesourcery.com>
1550
1551 * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
1552 * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
1553 * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
1554 (SH Options): Likewise.
1555
1556 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1557
1558 * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
1559 Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
1560 (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
1561 DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
1562 (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
1563
1564 Revert:
1565 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
1566
1567 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
1568 * config/i386/i386.c (ix86_decompose_address): Use
1569 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
1570 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
1571 thread pointer to a register.
1572
1573 Revert:
1574 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
1575
1576 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
1577 if Pmode != word_mode.
1578 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
1579 Pmode == SImode for TARGET_X32.
1580
1581 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
1582 (tls_initial_exec_x32): Likewise.
1583
1584 2012-03-19 Oleg Endo <olegendo@gcc.gnu.org>
1585
1586 PR target/50751
1587 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
1588 DISP_ADDR_OFFSET): New macros.
1589 * config/sh/sh.c (sh_address_cost): Add SH2A special case.
1590 (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
1591 (sh_legitimize_address): Add QImode displacement handling.
1592 (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
1593 vector subregs.
1594 (sh_secondary_reload): Add QImode displacement handling.
1595 * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
1596 * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
1597 * config/sh/sh.md (extendqisi2): Remove constraints from expander.
1598 (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
1599 to register operands only.
1600 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
1601 (extendqihi2): Change insn to expander.
1602 (*extendqihi2_compact_reg): New insn.
1603 (movqi_i, movqi): Replace with ...
1604 (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
1605 *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
1606 Add new peepholes for QImode displacement addressing.
1607
1608 2012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
1609
1610 PR c++/14710
1611 * doc/invoke.texi: Document -Wuseless-cast.
1612
1613 2012-03-19 Eric Botcazou <ebotcazou@adacore.com>
1614
1615 * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
1616 * tree.h (handled_component_p): Reorder cases.
1617 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
1618 not initialize unsignedp.
1619 (loc_list_from_tree): Likewise.
1620 (fortran_common): Likewise.
1621 * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
1622
1623 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1624
1625 * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
1626 mode consistently. Use ix86_gen_add3. Assert that Pmode == DImode.
1627 (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
1628 (ix86_split_long_move): Ditto.
1629 (legitimize_tls_address): Use ix86_gen_sub3.
1630 (construct_plt_address): Assert that Pmode == DImode.
1631
1632 2012-03-18 Uros Bizjak <ubizjak@gmail.com>
1633
1634 * config/i386/i386.md: Remove empty predicates and/or constraints.
1635 * config/i386/sync.md: Ditto.
1636 * config/i386/sse.md: Ditto.
1637 * config/i386/mmx.md: Ditto.
1638 * config/i386/pentium.md: Ditto.
1639 * config/i386/athlon.md: Ditto.
1640
1641 2012-03-16 Richard Guenther <rguenther@suse.de>
1642
1643 PR tree-optimization/52603
1644 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
1645 comment.
1646
1647 Revert
1648 2012-03-14 Richard Guenther <rguenther@suse.de>
1649
1650 PR tree-optimization/52571
1651 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
1652 flag_section_anchors check ...
1653 (vect_can_force_dr_alignment_p): ... here.
1654
1655 2012-03-16 Martin Jambor <mjambor@suse.cz>
1656
1657 * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
1658 memory through MEM_REFs by calling extract_bit_field.
1659
1660 2012-03-16 Richard Guenther <rguenther@suse.de>
1661
1662 * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
1663 and REFERENCE_TYPE interpretations.
1664 (can_native_interpret_type_p): New function.
1665 (fold_ternary_loc): Use native encode/interpret to fold
1666 BIT_FIELD_REFs of constants.
1667
1668 2012-03-16 Richard Guenther <rguenther@suse.de>
1669
1670 PR middle-end/52584
1671 * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
1672 of vector constants and constructors.
1673
1674 2012-03-16 Richard Guenther <rguenther@suse.de>
1675
1676 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1677 VIEW_CONVERT_EXPR to convert constants.
1678 (vect_is_simple_use): Treat all constants as vec_constant_def.
1679
1680 2012-03-16 Richard Guenther <rguenther@suse.de>
1681 Kai Tietz <ktietz@redhat.com>
1682
1683 PR middle-end/48814
1684 * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
1685 side-effects completely in the pre-queue and use a temporary
1686 for the result.
1687
1688 2012-03-16 Richard Guenther <rguenther@suse.de>
1689
1690 * stor-layout.c (finish_bitfield_representative): Fall back
1691 to the conservative maximum size if we cannot compute the
1692 size of the tail padding.
1693
1694 2012-03-16 Tristan Gingold <gingold@adacore.com>
1695
1696 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
1697 __CRTL_VER and __VMS_VER.
1698 * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
1699 and vms_c_get_vms_ver.
1700 * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
1701 functions.
1702 * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
1703 (VMS_DEFAULT_VMS_VER): Define.
1704 * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
1705 (VMS_DEFAULT_VMS_VER): Define.
1706
1707 2012-03-16 Richard Guenther <rguenther@suse.de>
1708
1709 * tree-vect-loop.c (get_initial_def_for_induction): Use
1710 build_constructor directly.
1711 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1712 build_vector_from_val.
1713 * tree.c (build_vector_from_val): Avoid creating a constructor
1714 first when we want a constant vector.
1715
1716 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1717
1718 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1719
1720 2012-03-16 Richard Guenther <rguenther@suse.de>
1721
1722 * tree.h (TREE_VECTOR_CST_ELTS): Remove.
1723 (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
1724 (struct tree_vector): Remove elements member, add variable size
1725 elts array member.
1726 (build_vector_stat): Declare.
1727 (build_vector): Define in terms of build_vector_stat.
1728 * tree.c (build_vector): Rename to ...
1729 (build_vector_stat): ... this. Take array of trees as parameter.
1730 (build_vector_from_ctor): Adjust.
1731 (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
1732 initializer_zerop): Adjust.
1733 * cfgexpand.c (expand_debug_expr): Likewise.
1734 * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
1735 const_vector_from_tree): Likewise.
1736 * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
1737 native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
1738 fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
1739 * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
1740 (lto_input_ts_vector_tree_pointers): Adjust.
1741 * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
1742 (write_ts_vector_tree_pointers): Adjust.
1743 * varasm.c (const_hash_1, compare_constant, copy_constant,
1744 output_constant): Adjust.
1745 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
1746 * print-tree.c (print_node): Adjust.
1747 * tree-pretty-print.c (dump_generic_node): Adjust.
1748 * tree-vect-generic.c (uniform_vector_p, vector_element,
1749 lower_vec_perm): Adjust.
1750 * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
1751 * tree-vect-slp.c (vect_get_constant_vectors,
1752 vect_transform_slp_perm_load): Adjust.
1753 * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
1754 * expmed.c (make_tree): Adjust.
1755 * config/i386/i386.c (ix86_expand_builtin): Adjust.
1756 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
1757 and implementation.
1758 (sparc_fold_builtin): Adjust.
1759
1760 2012-03-16 Tristan Gingold <gingold@adacore.com>
1761
1762 * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
1763 * config/vms/vms-stdint.h: New file.
1764
1765 2012-03-16 Tristan Gingold <gingold@adacore.com>
1766
1767 * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
1768 (ia64-hp-*vms*): Replaced by ...
1769 (*-*-*vms*): ... This new entry.
1770
1771 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1772
1773 PR target/52568
1774 * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
1775 (ix86_expand_vec_perm_const_1): Use it.
1776
1777 PR target/52568
1778 * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
1779 (avx2_permv4df): Remove.
1780 (avx2_permv4di): Macroize into...
1781 (avx2_perm<mode>): ... this using VI8F_256 iterator.
1782 (avx2_permv4di_1): Macroize into...
1783 (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
1784
1785 2012-03-15 Ulrich Weigand <ulrich.weigand@linaro.org>
1786
1787 * combine.c (apply_distributive_law): Do not distribute SUBREG.
1788
1789 2012-03-15 Ira Rosen <irar@il.ibm.com>
1790 Ulrich Weigand <ulrich.weigand@linaro.org>
1791
1792 * tree-vect-patterns.c (widened_name_p): Rename to ...
1793 (type_conversion_p): ... this. Add new argument to determine
1794 if it's a promotion or demotion operation. Check for
1795 CONVERT_EXPR_CODE_P instead of NOP_EXPR.
1796 (vect_recog_dot_prod_pattern): Call type_conversion_p instead
1797 widened_name_p.
1798 (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
1799 vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
1800 Likewise.
1801 (vect_recog_mixed_size_cond_pattern): Likewise and allow
1802 non-constant then and else clauses.
1803
1804 2012-03-15 Ira Rosen <irar@il.ibm.com>
1805 Ulrich Weigand <ulrich.weigand@linaro.org>
1806
1807 * tree-vectorizer.h (vect_pattern_recog): Add new argument.
1808 * tree-vect-loop.c (vect_analyze_loop_2): Update call to
1809 vect_pattern_recog.
1810 * tree-vect-patterns.c (widened_name_p): Pass basic block
1811 info to vect_is_simple_use.
1812 (vect_recog_dot_prod_pattern): Fail for basic blocks.
1813 (vect_recog_widen_sum_pattern): Likewise.
1814 (vect_handle_widen_op_by_const): Support basic blocks.
1815 (vect_operation_fits_smaller_type,
1816 vect_recog_over_widening_pattern): Likewise.
1817 (vect_recog_vector_vector_shift_pattern): Support basic blocks.
1818 Update call to vect_is_simple_use.
1819 (vect_recog_mixed_size_cond_pattern): Support basic blocks.
1820 Add printing.
1821 (check_bool_pattern): Add an argument, update call to
1822 vect_is_simple_use and the recursive calls.
1823 (vect_recog_bool_pattern): Update relevant function calls.
1824 Add printing.
1825 (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
1826 (vect_pattern_recog_1): Check for reduction only in loops.
1827 (vect_pattern_recog): Add new argument. Support basic blocks.
1828 * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
1829 info to vect_is_simple_use_1.
1830 * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
1831 (vect_slp_analyze_bb_1): Call vect_pattern_recog.
1832
1833 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1834 Andrew Pinski <apinski@cavium.com>
1835
1836 PR middle-end/52592
1837 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1838 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1839 calls instead of __builtin_ir{int,ound}*.
1840
1841 2012-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1842
1843 * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
1844 documentation.
1845
1846 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1847
1848 * config.gcc (target_type_format_char): New. Document it. Set it for
1849 arm*-*-* .
1850 * configure.ac (gnu_unique_option): Use target_type_format_char
1851 in test. Comment rationale.
1852 * configure: Regenerate .
1853
1854 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1855
1856 PR tree-optimization/52267
1857 * tree-vrp.c (masked_increment): New function.
1858 (register_edge_assert_for_2): Derive ASSERT_EXPRs
1859 from (X & CST1) cmp CST2 tests.
1860
1861 2012-03-15 Richard Guenther <rguenther@suse.de>
1862
1863 PR middle-end/52580
1864 * tree-data-ref.c (subscript_dependence_tester_1): Check
1865 all dimensions for non-conflicting access functions.
1866
1867 2012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
1868
1869 PR c++/44783
1870 * doc/invoke.texi [C++ Language Options]: Document
1871 -ftemplate-backtrace-limit.
1872
1873 2012-03-15 Tristan Gingold <gingold@adacore.com>
1874
1875 * c-parser.c (c_parser_parameter_declaration): Handle #pragma
1876 before a parameter.
1877
1878 2012-03-15 Tristan Gingold <gingold@adacore.com>
1879
1880 * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
1881 use DW_OP_call_frame_cfa.
1882
1883 2012-03-14 H.J. Lu <hongjiu.lu@intel.com>
1884
1885 PR target/50797
1886 * config/i386/i386-opts.h (pmode): New.
1887
1888 * config/i386/i386.c (ix86_option_override_internal): Properly
1889 check and set ix86_pmode.
1890
1891 * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
1892
1893 * config/i386/i386.opt (maddress-mode=): New.
1894
1895 * doc/invoke.texi: Document -maddress-mode=short|long for x86.
1896
1897 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1898
1899 * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
1900 (dwarf2out_do_cfi_asm): Likewise.
1901 * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
1902 handling.
1903 (add_data_member_location_attribute): Likewise.
1904 (gen_array_type_die): Likewise.
1905 (gen_subprogram_die): Likewise.
1906 (gen_producer_string): Likewise.
1907 * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
1908 Remove MIPS_DEBUGGING_INFO handling.
1909 (sdb_debug_hooks): Likewise.
1910 (sdbout_begin_block): Likewise.
1911 (sdbout_end_block): Likewise.
1912 (sdbout_begin_prologue): Likewise.
1913 (sdbout_start_source_file): Likewise.
1914 (sdbout_end_source_file): Likewise.
1915 (sdbout_init): Likewise.
1916 * system.h (MIPS_DEBUGGING_INFO): Poison.
1917
1918 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1919
1920 * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
1921 (alpha_file_start) [MS_STAMP]: Remove.
1922
1923 * config/alpha/elf.h (TARGET_GAS): Remove.
1924 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
1925 * config/alpha/linux.h (TARGET_DEFAULT): Remove.
1926 * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
1927 * config/alpha/vms.h (TARGET_DEFAULT): Remove.
1928 * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
1929 (alpha*-*-freebsd*): Likewise.
1930 (alpha*-*-netbsd*): Likewise.
1931 (alpha*-*-openbsd*): Likewise.
1932 (alpha*-*-*): Remove target_cpu_default2.
1933 * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
1934 handling.
1935 * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
1936 (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
1937 * config/alpha/alpha.c (print_operand): Always assume
1938 TARGET_AS_SLASH_BEFORE_SUFFIX.
1939 * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
1940 Remove TARGET_AS_CAN_SUBTRACT_LABELS.
1941 ("*builtin_setjmp_receiver_er_1"): Remove.
1942 * config/alpha/alpha.opt (malpha-as): Remove.
1943 (mgas): Ignore.
1944 * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
1945 -malpha-as, -mgas.
1946 Remove DEC Unix reference.
1947
1948 * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
1949 (EXTENDED_COFF): Remove.
1950 * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
1951 (EXTENDED_COFF): Don't undef.
1952 * config/alpha/alpha.c (alpha_file_start): Always assume
1953 OBJECT_FORMAT_ELF.
1954 Don't set targetm.asm_file_start_file_directive.
1955 [!OBJECT_FORMAT_ELF]: Remove.
1956 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
1957
1958 * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
1959 (DBX_DEBUGGING_INFO): Remove.
1960 (MIPS_DEBUGGING_INFO): Remove.
1961 (PREFERRED_DEBUGGING_TYPE): Remove.
1962 (DBX_OUTPUT_SOURCE_LINE): Remove.
1963 (SDB_OUTPUT_SOURCE_LINE): Remove.
1964 (DBX_CONTIN_LENGTH): Remove.
1965 (NO_DBX_FUNCTION_END): Remove.
1966 (ASM_STABS_OP): Remove.
1967 (ASM_STABN_OP): Remove.
1968 (ASM_STABD_OP): Remove.
1969 (SDB_ALLOW_FORWARD_REFERENCES): Remove.
1970 (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
1971 (PUT_SDB_DEF): Remove.
1972 (PUT_SDB_PLAIN_DEF): Remove.
1973 (PUT_SDB_TYPE): Remove.
1974 (sdb_label_count): Remove.
1975 (PUT_SDB_BLOCK_START): Remove.
1976 (PUT_SDB_BLOCK_END): Remove.
1977 (PUT_SDB_FUNCTION_START): Remove.
1978 (PUT_SDB_FUNCTION_END): Remove.
1979 (PUT_SDB_EPILOGUE_END): Remove.
1980 * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
1981 (MIPS_DEBUGGING_INFO): Don't undef.
1982 (DBX_DEBUGGING_INFO): Don't undef.
1983 * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
1984 (MIPS_DEBUGGING_INFO): Don't undef.
1985 (DBX_DEBUGGING_INFO): Don't undef.
1986 * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
1987 * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
1988 handling.
1989 (alpha_start_function): Likewise.
1990 (sdb_label_count): Remove.
1991 (alpha_output_filename): Remove DBX_DEBUG handling.
1992 (alpha_file_start): Likewise.
1993
1994 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1995
1996 * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
1997 (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
1998 (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
1999 Solaris 8 support.
2000 * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
2001 (ld_tls_support): Remove Solaris 8 references.
2002 (lwp_dir, lwp_spec): Remove support for alternate thread library.
2003 * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
2004 * configure: Regenerate.
2005 * config.in: Regenerate.
2006
2007 * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
2008 * config/i386/sol2.h: Remove Solaris 8 references.
2009
2010 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
2011 (i?86-*-solaris2.9): ... this.
2012 Remove Solaris 8 references.
2013 (Specific, *-*-solaris2*): Document Solaris 8 removal.
2014 Remove Solaris 8 references.
2015
2016 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2017
2018 * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
2019 (mips-sgi-irix6.5*): Remove.
2020 * config.host (mips-sgi-irix*): Remove.
2021 * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
2022 (set_have_as_tls): Remove *-*-irix6*.
2023 (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
2024 * configure: Regenerate.
2025
2026 * config/mips/iris6.h: Remove.
2027 * config/mips/iris6.opt: Remove.
2028 * config/mips/t-irix6: Remove.
2029
2030 * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
2031 (TARGET_IRIX6): Remove.
2032 (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
2033 Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
2034 * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
2035 handling.
2036 (mips_file_start): Likewise.
2037 * config/mips/mips-protos.h (irix_asm_output_align): Remove.
2038
2039 * config/mips/driver-native.c [__sgi__]: Remove.
2040 (host_detect_local_cpu) [__sgi__]: Remove.
2041
2042 * config/mips/gnu-user.h: Remove iris5.h reference.
2043
2044 * config/mips/mips-modes.def: Remove IRIX 6 reference.
2045 * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
2046 * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
2047 Remove.
2048
2049 * gcc.c (main): Move asm_debug initialization ...
2050 (asm_debug): ... here.
2051
2052 * ginclude/stddef.h (__STDDEF_H__): Don't define.
2053
2054 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
2055 * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
2056 * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
2057 (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
2058 [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
2059 * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2060 Remove.
2061 * doc/tm.texi: Regenerate.
2062
2063 * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
2064 IRIX 6 reference.
2065 (MIPS Options, -march): Remove IRIX reference.
2066 * doc/install.texi (Binaries, SGI IRIX): Remove.
2067 (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
2068 of section.
2069 * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
2070
2071 2012-03-14 Martin Jambor <mjambor@suse.cz>
2072
2073 * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
2074 when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
2075 (expand_expr_real_1): Do not handle misalignment if modifier is
2076 EXPAND_WRITE.
2077
2078 2012-03-14 Richard Guenther <rguenther@suse.de>
2079
2080 PR middle-end/52584
2081 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2082 element type instead of mode, use build_vector_type_for_mode
2083 instead of the langhook, build a vector of proper signedness.
2084 (expand_vector_operations_1): Adjust.
2085
2086 2012-03-14 Richard Guenther <rguenther@suse.de>
2087
2088 PR middle-end/52582
2089 * gimple-fold.c (canonicalize_constructor_val): Make sure we have
2090 a cgraph node for a FUNCTION_DECL that comes from a constructor.
2091 (gimple_get_virt_method_for_binfo): Likewise.
2092
2093 2012-03-14 Richard Guenther <rguenther@suse.de>
2094
2095 PR tree-optimization/52571
2096 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
2097 flag_section_anchors check ...
2098 (vect_can_force_dr_alignment_p): ... here. Do not re-align
2099 DECL_COMMON variables.
2100
2101 2012-03-14 Richard Guenther <rguenther@suse.de>
2102
2103 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
2104 * stor-layout.c (start_bitfield_representative): New function.
2105 (finish_bitfield_representative): Likewise.
2106 (finish_bitfield_layout): Likewise.
2107 (finish_record_layout): Call finish_bitfield_layout.
2108 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
2109 for QUAL_UNION_TYPE fields.
2110 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2111 Stream DECL_BIT_FIELD_REPRESENTATIVE.
2112 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2113
2114 PR middle-end/52080
2115 PR middle-end/52097
2116 PR middle-end/48124
2117 * expr.c (get_bit_range): Unconditionally extract bitrange
2118 from DECL_BIT_FIELD_REPRESENTATIVE.
2119 (expand_assignment): Adjust call to get_bit_range.
2120
2121 2012-03-14 Richard Guenther <rguenther@suse.de>
2122
2123 PR middle-end/52578
2124 * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
2125 the outermost conversion is a sign-change only.
2126 (fold_binary_loc): Disregard widening and sign-changing
2127 conversions when we determine if two variables are equal
2128 for reassociation.
2129 * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
2130 (T1)x if the outermost conversion is a sign-change only.
2131
2132 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
2133
2134 Revert:
2135 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
2136
2137 * config/i386/predicates.md (constant_call_address_operand): Declare
2138 as special predicate. Update all uses.
2139
2140 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2141
2142 PR c/52577
2143 * c-parser.c (c_parser_postfix_expression)
2144 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2145
2146 * config/i386/smmintrin.h: Avoid /* within a comment.
2147 * config/i386/nmmintrin.h: Likewise.
2148
2149 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2150
2151 * config/i386/i386.md (xbegin): Remove constraint from expander.
2152
2153 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2154
2155 * config/i386/predicates.md (constant_call_address_operand): Declare
2156 as special predicate. Update all uses.
2157 * config/i386/i386.md: Remove mode from constant_call_address_operand
2158 predicates.
2159 * config/i386/i386.c (ix86_output_call_insn): Call
2160 constant_call_address_operand with VOIDmode.
2161
2162 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2163
2164 * config/i386/i386.c (ix86_decompose_address): Handle subregs of
2165 AND zero extended address correctly.
2166
2167 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2168
2169 * config/i386/predicates.md (tls_symbolic_operand): Declare as
2170 special predicate.
2171 (tls_modbase_operand): Ditto.
2172 * config/i386/i386.md: Remove mode from tls_symbolic_operand and
2173 tls_modbase_operand predicates.
2174
2175 2012-03-13 Martin Jambor <mjambor@suse.cz>
2176
2177 * expr.c (expand_assignment): Handle misaligned scalar writes to
2178 memory through top-level MEM_REFs by calling store_bit_field.
2179
2180 2012-03-13 Richard Guenther <rguenther@suse.de>
2181
2182 PR middle-end/52134
2183 * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
2184 if Y is a constant multiple of 1 << CST.
2185
2186 2012-03-13 Georg-Johann Lay <avr@gjlay.de>
2187
2188 PR target/52488
2189 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2190 offset (size) to a value the insns can deal with.
2191 (expand_epilogue): Ditto.
2192
2193 2012-03-13 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2194
2195 * config/arm/neon.ml (ops): Fixup expected instructions for
2196 unsigned vector compares.
2197
2198 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2199
2200 * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
2201 addresses only when %reg is not in word mode.
2202
2203 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2204
2205 * config/microblaze/microblaze.md: Fix typo.
2206 * tree-if-conv.c: Likewise.
2207 * tree-vect-patterns.c: Likewise.
2208
2209 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2210
2211 * config.gcc (extra_passes): Remove.
2212 * configure.ac (extra_passes): Don't substitute.
2213 * configure: Regenerate.
2214 * Makefile.in (EXTRA_PASSES): Remove.
2215 (GCC_PASSES): Remove $(EXTRA_PASSES).
2216 (MOSTLYCLEANFILES): Likewise.
2217 (native): Likewise.
2218 (install-common): Likewise.
2219
2220 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2221
2222 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
2223 * config/i386/i386.c (ix86_decompose_address): Use
2224 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
2225 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
2226 thread pointer to a register.
2227
2228 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2229
2230 * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
2231 on tls_symbolic_operand.
2232 (tls_global_dynamic_64_<mode>): Likewise.
2233
2234 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2235
2236 PR other/52545
2237 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2238 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2239
2240 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2241
2242 PR target/52499
2243 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2244 type from reg_class_t to enum reg_class.
2245 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2246
2247 2012-03-12 Andrew Pinski <apinski@cavium.com>
2248
2249 * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
2250 (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
2251 (value_replacement): Likewise.
2252 (empty_block_p): Check also if the PHIs for the block are empty.
2253
2254 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2255
2256 PR target/52148
2257 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2258 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2259 r184615 from 2012-02-28.
2260
2261 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2262
2263 * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
2264 (ix86_gen_tls_local_dynamic_base_64): Likewise.
2265 (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
2266 and ix86_gen_tls_local_dynamic_base_64.
2267 (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
2268 ix86_gen_tls_local_dynamic_base_64.
2269
2270 * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
2271 (*tls_global_dynamic_64_<mode>): This.
2272 (tls_global_dynamic_64): Renamed to ...
2273 (tls_global_dynamic_64_<mode>): This.
2274 (*tls_local_dynamic_base_64): Renamed to ...
2275 (*tls_local_dynamic_base_64_<mode>): This.
2276 (tls_local_dynamic_base_64): Renamed to ...
2277 (tls_local_dynamic_base_64_<mode>): This.
2278
2279 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2280
2281 * config/i386/i386.c (ix86_option_override_internal): Properly
2282 set ix86_gen_leave and ix86_gen_monitor. Check Pmode == DImode,
2283 instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
2284 ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
2285 ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2286
2287 * config/i386/sse.md (sse3_monitor64): Renamed to ...
2288 (sse3_monitor64_<mode>): This.
2289
2290 2012-03-12 Tristan Gingold <gingold@adacore.com>
2291
2292 * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
2293 (ia64_function_arg_advance): Ditto.
2294
2295 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2296
2297 * config.gcc (mips*-*-openbsd*): Remove.
2298 * config/mips/openbsd.h: Remove.
2299 * config/mips/sdb.h: Remove.
2300
2301 * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
2302 * config/mips/mips.c (sdb_label_count): Remove.
2303 (mips_debugger_offset): Remove #if 0 code.
2304 (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
2305 * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
2306
2307 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2308
2309 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2310 binutils reference.
2311 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2312 Update binutils references.
2313 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2314 Update binutils reference.
2315 Update Sun as/GNU ld caveat.
2316 Document binutils largefile requirement for LTO plugin.
2317 Remove reference to alternate libpthread.
2318
2319 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2320
2321 * config.gcc (alpha*-dec-osf5.1*): Remove.
2322 * config.host (alpha*-dec-osf*): Remove.
2323 * configure.ac (*-*-osf*): Remove.
2324 (alpha*-dec-osf*): Remove.
2325 * configure: Regenerate.
2326
2327 * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
2328 config/alpha/va_list.h, config/alpha/x-osf: Remove.
2329
2330 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
2331 * config/alpha/alpha.c (struct machine_function): Update comment.
2332 (alpha_start_function): Remove Tru64 UNIX as handling for
2333 max_frame_size.
2334 * config/alpha/alpha.md ("exception_receiver"): Remove
2335 TARGET_LD_BUGGY_LDGP.
2336 ("*exception_receiver_2"): Likewise.
2337 * except.c (finish_eh_generation): Remove Tru64 reference.
2338 * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
2339 * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
2340 * target.def (handle_pragma_extern_prefix): Remove.
2341
2342 * Makefile.in (mips-tfile.o-warn): Remove.
2343 (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
2344 (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
2345 * mips-tdump.c, mips-tfile.c: Remove.
2346
2347 * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
2348 extern_prefix.
2349 * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
2350 (Specific, alpha*-dec-osf5.1): Note removal.
2351 * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
2352 Remove.
2353 * doc/tm.texi: Regenerate.
2354 * doc/trouble.texi (Cross-Compiler Problems): Remove.
2355
2356 2012-03-12 Richard Guenther <rguenther@suse.de>
2357
2358 * config/arm/arm.c (neon_dereference_pointer): Do not call
2359 covert during RTL expansion.
2360
2361 2012-03-12 Tristan Gingold <gingold@adacore.com>
2362
2363 * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
2364 Options. Mention -mpointer-size.
2365
2366 2012-03-12 Richard Guenther <rguenther@suse.de>
2367
2368 * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
2369 build_nonstandard_integer_type.
2370
2371 2012-03-12 Richard Guenther <rguenther@suse.de>
2372
2373 * tree.c (signed_or_unsigned_type_for): Use
2374 build_nonstandard_integer_type.
2375 (signed_type_for): Adjust documentation.
2376 (unsigned_type_for): Likewise.
2377 * tree-pretty-print.c (dump_generic_node): Use standard names
2378 for non-standard integer types if available.
2379
2380 2012-03-12 Tristan Gingold <gingold@adacore.com>
2381
2382 * config/vms/vms.opt: Add vms-opts.h header.
2383 (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
2384 target mask.
2385 (-mvms-return-codes): Document.
2386 (-mpointer-size): New option.
2387 (vms_pointer_size): Add enumeration.
2388 * config/vms/vms-opts.h: New file.
2389 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
2390 __INITIAL_POINTER_SIZE.
2391 (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
2392 (C_COMMON_OVERRIDE_OPTIONS): Define.
2393 (DWARF2_ADDR_SIZE): Define.
2394 * config/vms/vms.c (vms_patch_builtins): Adjust condition.
2395 * config/vms/vms-protos.h (vms_c_common_override_options):
2396 New prototype.
2397 * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
2398 if -mno-pointer-size.
2399 (vms_c_common_override_options): New function.
2400 * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2401 * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2402 (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
2403 and flag_vms_pointer_size.
2404 (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
2405 * config.gcc (*-*-*vms*): Define xm_file.
2406 (alpha*-dec-*vms*): Do not define xm_file.
2407 (alpha64-dec-*vms*): Remove.
2408 (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
2409 and tmake_file.
2410
2411 2012-03-12 Jakub Jelinek <jakub@redhat.com>
2412
2413 PR tree-optimization/51721
2414 * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
2415 if (int) unsvar cmp CST.
2416
2417 2012-03-12 Richard Guenther <rguenther@suse.de>
2418
2419 * tree-sra.c (create_access_replacement): Only rename the replacement
2420 if we can rewrite it into SSA form. Properly mark register typed
2421 replacements that we cannot rewrite with TREE_ADDRESSABLE.
2422 * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
2423 for aggregate or BLKmode results.
2424
2425 2012-03-12 Jakub Jelinek <jakub@redhat.com>
2426
2427 PR tree-optimization/52533
2428 * tree-vrp.c (register_edge_assert_for_2): Use double_int
2429 type for mask, only handle shifts by non-zero in-range
2430 shift count, for LE_EXPR and GT_EXPR if new_val is
2431 maximum, don't add the assertion.
2432
2433 2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
2434
2435 * doc/invoke.texi: Document -mrtm option.
2436 * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
2437 (OPTION_MASK_ISA_RTM_UNSET): Ditto.
2438 (ix86_handle_option): Handle OPT_mrtm.
2439 * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
2440 xtestintrin.h.
2441 (x86_64-*-*): Ditto.
2442 * i386-builtin-types.def (INT_FTYPE_VOID): New.
2443 * config/i386/i386-c.c (ix86_target_macros_internal): Define
2444 __RTM__ if needed.
2445 (ix86_target_string): Define -mrtm option.
2446 (PTA_RTM): New.
2447 (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
2448 Handle new option.
2449 (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
2450 (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
2451 IX86_BUILTIN_XTEST.
2452 (bdesc_special_args): Ditto.
2453 (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
2454 (ix86_expand_special_args_builtin): Handle new built-in type.
2455 (ix86_expand_builtin): Handle XABORT instruction.
2456 * config/i386/i386.h (TARGET_RTM): New.
2457 * config/i386/i386.md (UNSPECV_XBEGIN): New.
2458 (UNSPECV_XEND): Ditto.
2459 (UNSPECV_XABORT): Ditto.
2460 (UNSPECV_XTEST): Ditto.
2461 (xbegin): Ditto.
2462 (xbegin_1): Ditto.
2463 (xend): Ditto.
2464 (xabort): Ditto
2465 (xtest): Ditto.
2466 (xtest_1): Ditto.
2467 * config/i386/i386.opt (mrtm): New.
2468 * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
2469 * config/i386/rtmintrin.h: New header.
2470 * config/i386/xtestintrin.h: Ditto.
2471
2472 2012-03-12 Tristan Gingold <gingold@adacore.com>
2473
2474 * ginclude/stddef.h: Adjust previous patch.
2475 Use __VMS__ instead of VMS.
2476
2477 2012-03-12 Uros Bizjak <ubizjak@gmail.com>
2478
2479 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
2480 Also convert sequences with CC setting arithmetic instruction.
2481
2482 2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
2483
2484 * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
2485 from C Language Options to Preprocessor Options.
2486 (C Dialect Options): Move -no-integrated-cpp documentation
2487 from here...
2488 (Preprocessor Options): ...to here. Rewrite the description
2489 so it makes more sense, and remove discussion of merging front ends.
2490
2491 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2492
2493 * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
2494 needed for loop.
2495 (ix86_expand_setmem): Likewise.
2496
2497 2012-03-11 Uros Bizjak <ubizjak@gmail.com>
2498
2499 * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
2500 convert_to_mode.
2501
2502 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2503
2504 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
2505 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
2506
2507 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2508
2509 * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
2510
2511 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2512
2513 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
2514 TARGET_64BIT.
2515
2516 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2517 Uros Bizjak <ubizjak@gmail.com>
2518
2519 * config/i386/predicates.md (call_insn_operand): Allow
2520 constant_call_address_operand in Pmode only.
2521 (sibcall_insn_operand): Ditto.
2522 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
2523 (*call_vzeroupper): Ditto.
2524 (*sibcall): Ditto.
2525 (*sibcall_vzeroupper): Ditto.
2526 (*call_value): Ditto.
2527 (*call_value_vzeroupper): Ditto.
2528 (*sibcall_value): Ditto.
2529 (*sibcall_value_vzeroupper): Ditto.
2530 (*indirect_jump): Ditto.
2531 (*tablejump_1): Ditto.
2532 (indirect_jump): Convert memory address to word mode for TARGET_X32.
2533 (tablejump): Ditto.
2534 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
2535 to word mode.
2536
2537 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
2538
2539 PR target/51244
2540 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
2541 Use movrt_negc instead of negc pattern for non-SH2A.
2542 (*movnegt): Remove.
2543 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
2544
2545 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
2546
2547 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
2548 if Pmode != word_mode.
2549 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
2550 Pmode == SImode for TARGET_X32.
2551
2552 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
2553 (tls_initial_exec_x32): Likewise.
2554
2555 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2556
2557 PR rtl-optimization/52528
2558 * combine.c (can_combine_p): Add setting of subst_low_luid
2559 before call to expand_field_assignment().
2560
2561 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
2562
2563 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
2564 and related program names.
2565
2566 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
2567
2568 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
2569
2570 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
2571
2572 PR target/52530
2573 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2574 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2575 to set code to 'q'.
2576 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2577 (*movdi_internal_rex64): Use %E operand modifier for lea.
2578 (*movsi_internal): Ditto.
2579 (*lea_1): Ditto.
2580 (*lea<mode>_2): Ditto.
2581 (*lea_{3,4,5,6}_zext): Ditto.
2582 (*tls_global_dynamic_32_gnu): Ditto.
2583 (*tls_global_dynamic_64): Ditto.
2584 (*tls_dynamic_gnu2_lea_32): Ditto.
2585 (*tls_dynamic_gnu2_lea_64): Ditto.
2586 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2587
2588 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2589
2590 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2591 redefine to be NULL if the current bit-size is different from the
2592 configured bit-size.
2593
2594 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2595 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2596 set the default tuning. Add asserts to make sure the cpu and tune
2597 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2598 test whether the index is set, instead of > 0.
2599 (rs6000_file_start): Do not reset the default cpu if the current
2600 bit-size is different from the configured bit-size.
2601
2602 2012-03-09 Tristan Gingold <gingold@adacore.com>
2603
2604 * config/vms/vms-crtlmap.map: Add comments.
2605 Add entries needed to build Ada RTS.
2606
2607 2012-03-09 Tristan Gingold <gingold@adacore.com>
2608
2609 * ginclude/stddef.h: Do not define __size_t on VMS.
2610
2611 2012-03-09 Tristan Gingold <gingold@adacore.com>
2612
2613 * c-tree.h (c_default_pointer_mode): New variable.
2614 * c-decl.c (c_default_pointer_mode): New variable.
2615 (c_build_pointer_type): New function.
2616 (grokdeclarator): Call c_build_pointer_type instead
2617 of build_pointer_type.
2618
2619 * config/vms/vms-c.c: Include c-tree.h
2620 (saved_pointer_mode): New variable.
2621 (handle_pragma_pointer_size): New function.
2622 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
2623 (vms_c_register_pragma): Register __pointer_size and
2624 __required_pointer_size pragmas.
2625
2626 2012-03-09 Tristan Gingold <gingold@adacore.com>
2627
2628 * config/vms/vms-c.c (vms_construct_include_filename): New function.
2629 (vms_c_register_includes): Reference it.
2630
2631 2012-03-09 Andrew Pinski <apinski@cavium.com>
2632
2633 PR middle-end/51988
2634 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
2635 print_generic_expr.
2636 (tree_ssa_phiopt_worker): Go through all the PHIs for
2637 value_replacement instead of just the singleton one.
2638 (value_replacement): Change return type to int. Return 0 instead of
2639 false.
2640 Allow the middle basic block to contain more than just the defining
2641 statement.
2642 Handle non empty middle basic blocks.
2643 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
2644
2645 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
2646
2647 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
2648 array reference and component reference.
2649 (analyze_scalar_evolution_for_address_of): New.
2650
2651 2012-03-08 Jie Zhang <jzhang918@gmail.com>
2652
2653 PR target/49862
2654 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
2655 (hwloop_pattern_reg): Fix set but not used warning.
2656 (bfin_reorg_loops): Remove unused parameter.
2657 (bfin_reorg): Update use of bfin_reorg_loops.
2658
2659 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
2660
2661 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
2662 with integer parameters in registers.
2663 (gen_push): Push register in word_mode instead of Pmode.
2664 (ix86_emit_save_regs): Likewise.
2665 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
2666 (gen_pop): Pop register in word_mode instead of Pmode.
2667 (ix86_emit_restore_regs_using_pop): Likewise.
2668 (ix86_expand_prologue): Replace Pmode with word_mode for push
2669 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
2670 restore RAX and R10 in word_mode.
2671 (ix86_emit_restore_regs_using_mov): Restore integer registers
2672 in word_mode.
2673 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
2674 word_mode.
2675 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
2676 (ix86_split_long_move): Likewise.
2677
2678 * config/i386/i386.md (W): New.
2679 (*push<mode>2_prologue): Replace :P with :W.
2680 (*pop<mode>1): Likewise.
2681 (*pop<mode>1_epilogue): Likewise.
2682 (push/pop peephole2): Use word_mode scratch registers.
2683
2684 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
2685
2686 * config/i386/predicates.md (indirect_branch_operand): Simplify.
2687
2688 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
2689
2690 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2691 for constants in [-63,63].
2692
2693 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
2694
2695 PR target/52530
2696 Revert:
2697 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
2698
2699 * config/i386/i386.c (ix86_print_operand_address): Only handle
2700 zero-extended DImode addresses.
2701
2702 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2703
2704 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2705 * configure: Regenerate.
2706
2707 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
2708
2709 PR target/52496
2710 * config/avr/avr.c (avr_mem_clobber): New static function.
2711 (avr_expand_delay_cycles): Add memory clobber operand to
2712 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2713 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2714 (enable_interrupt, disable_interrupt): New expander.
2715 (nopv, sleep, wdr): New expanders.
2716 (delay_cycles_1): Add memory clobber.
2717 (delay_cycles_2): Add memory clobber.
2718 (delay_cycles_3): Add memory clobber.
2719 (delay_cycles_4): Add memory clobber.
2720 (cli_sei): New insn from former "enable_interrupt",
2721 "disable_interrupt" with memory clobber.
2722 (*wdt): New insn from former "wdt" with memory clobber.
2723 (*nopv): Similar, but for "nopv".
2724 (*sleep): Similar, but for "sleep".
2725
2726 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
2727 Kaz Kojima <kkojima@gcc.gnu.org>
2728
2729 PR target/52503
2730 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
2731 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
2732 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2733
2734 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
2735
2736 * config/i386/predicates.md (x86_64_zext_general_operand): New.
2737 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
2738 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
2739
2740 2012-03-07 Walter Lee <walt@tilera.com>
2741
2742 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2743 REG_CFA_* notes for the stack pointer.
2744 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2745 EH_RETURN_STACKADJ_RTX.
2746 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2747 generate REG_CFA_* notes for the stack pointer.
2748 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2749 by EH_RETURN_STACKADJ_RTX.
2750
2751 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2752
2753 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
2754 when __AVR_3_BYTE_PC__ is defined.
2755
2756 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
2757
2758 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
2759 (ix86_print_operand): Handle '^'.
2760 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
2761 using P mode iterator. Add %^ to asm template to conditionally emit
2762 addr32 prefix.
2763 (*rep_movdi_rex64): Ditto.
2764 (*strsetdi_rex_1): Ditto.
2765 (*rep_stosdi_rex64): Ditto.
2766 (*strmov{si,hi,qi}_1): Add %^ to asm template to
2767 conditionally emit addr32 prefix.
2768 (*rep_mov{si,qi}): Ditto.
2769 (*strset{si,hi,qi}): Ditto.
2770 (*rep_stos{si,qi}): Ditto.
2771 (*cmpstrnqi_nz_1): Ditto.
2772 (*cmpstrnqi_1): Ditto.
2773 (*strlenqi_1): Ditto.
2774
2775 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
2776
2777 * config/i386/i386.c (function_value_64): Return pointers in
2778 word_mode instead of Pmode.
2779 (ix86_promote_function_mode): Likewise.
2780
2781 2012-03-07 Richard Guenther <rguenther@suse.de>
2782
2783 * coverage.c (get_gcov_type): Use type_for_mode.
2784 (get_gcov_unsigned_t): Likewise.
2785 * expr.c (store_constructor): Use type_for_mode.
2786 (try_casesi): Likewise.
2787 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
2788 (add_standard_iv_candidates): Use standard type trees.
2789 * dojump.c (do_jump): Remove dead code.
2790
2791 2012-03-07 Richard Guenther <rguenther@suse.de>
2792
2793 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
2794
2795 2012-03-07 Richard Guenther <rguenther@suse.de>
2796
2797 * convert.c (strip_float_extensions): Move ...
2798 * tree.c (strip_float_extensions): ... here.
2799
2800 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2801
2802 PR target/52484
2803 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2804
2805 2012-03-07 Richard Guenther <rguenther@suse.de>
2806
2807 * omp-low.c (extract_omp_for_data): Use signed_type_for.
2808 (expand_omp_for_generic): Likewise.
2809 (expand_omp_for_static_nochunk): Likewise.
2810 (expand_omp_for_static_chunk): Likewise.
2811 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
2812 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
2813 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
2814 Use unsigned_type_for.
2815 (vect_create_cond_for_align_checks): Use signed_type_for.
2816
2817 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
2818
2819 PR rtl-optimization/52203
2820 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
2821 all callers to pass NULL except ...
2822 (reset_sched_cycles_in_current_ebb): ... here, save the value
2823 in new variable 'empty'. Increase issue_rate only for
2824 non-empty insns.
2825
2826 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
2827
2828 PR target/51417
2829 * Makefile.in: Let install-gcc-ar depend on installdirs,
2830 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2831 Don't double canonicalize if cross-compiling.
2832
2833 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2834
2835 PR target/52506
2836 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2837 to: RAMPZ, RAMPY, RAMPX, RAMPD.
2838 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2839
2840 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2841
2842 PR target/52505
2843 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2844 from RAM.
2845 * config/avr/avr.md (xload_8): Adjust insn length.
2846
2847 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2848
2849 PR target/52461
2850 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2851 if RAMPZ affects reading from RAM.
2852
2853 2012-03-07 Richard Guenther <rguenther@suse.de>
2854
2855 PR pch/52518
2856 PR pch/38987
2857 * doc/invoke.texi (Precompiled Headers): Remove sentence that
2858 suggests you can include PCHs from inside another header.
2859
2860 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
2861
2862 PR middle-end/52515
2863 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
2864
2865 2012-03-07 Kai Tietz <ktietz@redhat.com>
2866
2867 * doc/invoke.texi (fwritable-relocated-rdata): Document
2868 new Cygwin/MinGW target option.
2869 * config/i386/winnt.c (i386_pe_unique_section): Ignore
2870 reloc if flag -fwritable-relocated-rdata is not set.
2871 (i386_pe_section_type_flags): Likewise.
2872 * config/i386/cygming.opt (fwritable-relocated-rdata):
2873 Add new flag variable flag_writable_rel_rdata.
2874
2875 2012-03-07 Richard Guenther <rguenther@suse.de>
2876
2877 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
2878 precision against gimple constraints.
2879
2880 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
2881
2882 PR middle-end/52372
2883 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
2884 variables.
2885 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
2886 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
2887 variables.
2888 (init_emit_regs): Move associated initialization to...
2889 (init_emit_once): ...here.
2890
2891 2012-03-06 Richard Henderson <rth@redhat.com>
2892
2893 * config/m68k/m68k.h (ISA_HAS_TAS): New.
2894 * config/m68k/sync.md (atomic_test_and_set): Use it.
2895 (atomic_test_and_set_1): Likewise.
2896
2897 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
2898
2899 PR target/50310
2900 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2901 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2902 (vector_ltgt<mode>): Likewise.
2903 (vector_ordered<mode>): Likewise.
2904 (vector_unordered<mode>): Likewise.
2905 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2906
2907 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
2908
2909 * trans-mem.c: New typedef for tm_region_p.
2910 Define vector types for tm_region_p.
2911 (tm_region_init): Replace region_worklist to a vector called
2912 bb_regions.
2913
2914 2012-03-06 Richard Guenther <rguenther@suse.de>
2915
2916 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
2917 MEM_REF with constant pointer operand.
2918
2919 2012-03-06 Richard Guenther <rguenther@suse.de>
2920
2921 PR middle-end/52493
2922 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2923
2924 2012-03-06 Tristan Gingold <gingold@adacore.com>
2925
2926 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
2927 (external_model_kind): Improve documentation.
2928 (vms_pragma_extern_model): Handle relaxed_redef.
2929 (vms_c_register_pragma): Allow expansion for nomember_alignment.
2930
2931 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
2932
2933 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
2934 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
2935 Some more notes on EIND usage and reorder EIND subsection.
2936
2937 2012-03-06 Tristan Gingold <gingold@adacore.com>
2938
2939 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
2940 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
2941
2942 2012-03-06 Tristan Gingold <gingold@adacore.com>
2943
2944 * config/vms/t-vmsnative (version): Define.
2945 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
2946
2947 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
2948
2949 PR rtl-optimization/52250
2950 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
2951 to put note list into. Unconditionally call move_bb_info.
2952 (move_bb_info): Do not assert the blocks being in the same region,
2953 just drop the note list if they are not.
2954
2955 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
2956
2957 PR target/51244
2958 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
2959 and use unified expansion logic.
2960 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
2961 closer to the existing movt insn.
2962 (negc): Rename insn to *negc. Add new expander.
2963 (movnegt): Use xor pattern for T bit negation. Reserve helper
2964 constant for negc pattern.
2965 (*movnegt): New insn and splitter.
2966
2967 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
2968
2969 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
2970 PLUS_EXPR.
2971
2972 2012-03-05 Richard Henderson <rth@redhat.com>
2973
2974 * genemit.c (main): Include "target.h" in insn-emit.c.
2975 * Makefile.in (insn-emit.o): Depend on TARGET_H.
2976 * config/sh/sync.md (atomic_test_and_set): Reference
2977 targetm.atomic_test_and_set_trueval instead of
2978 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
2979
2980 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
2981
2982 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2983 Make static.
2984
2985 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
2986
2987 * langhooks.c (add_builtin_type): New function.
2988 * langhooks.h (add_builtin_type): Export it.
2989 * config/mep/mep.c (mep_init_builtins): Use it.
2990 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
2991
2992 2012-03-05 Jakub Jelinek <jakub@redhat.com>
2993
2994 PR debug/51902
2995 * tree.h (BLOCK_SAME_RANGE): Define.
2996 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
2997 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
2998 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
2999 isn't equal to supercontext fragment's fragment chain.
3000 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
3001 fragment origin.
3002 (blocks_nreverse_all): Likewise.
3003 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
3004 BLOCK_SUPERCONTEXT to supercontext fragment instead of
3005 supercontext fragment's fragment origin.
3006 * dwarf2out.c (add_high_low_attributes): If stmt has the same
3007 range as its parent (or parents thereof etc.), use the parent's
3008 DW_AT_ranges value instead of creating a new .debug_ranges range.
3009
3010 2012-03-05 Richard Henderson <rth@redhat.com>
3011
3012 PR tree-opt/52242
3013 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3014 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3015 BIGGEST_ALIGNMENT is aligned.
3016
3017 2012-03-05 Richard Henderson <rth@redhat.com>
3018
3019 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
3020 * config/sh/sh.c: ... here.
3021
3022 2012-03-05 Richard Henderson <rth@redhat.com>
3023
3024 PR target/52481
3025 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3026 instead of calling negqi2 directly.
3027
3028 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
3029
3030 PR middle-end/52463
3031 * trans-mem.c (tm_region_init): Use last_basic_block.
3032
3033 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3034
3035 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3036 * config/sh/sync.md (atomic_test_and_set): New expander.
3037 (tasb, atomic_test_and_set_soft): New insns.
3038 * config/sh/sh.opt (menable-tas): New option.
3039 * doc/invoke.texi (SH Options): Document it.
3040
3041 2012-03-05 Richard Guenther <rguenther@suse.de>
3042
3043 * cfgloop.c (verify_loop_structure): Verify dominators before
3044 using them.
3045 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
3046 dominators from here.
3047 * graphite-scop-detection.c (create_sese_edges): Likewise.
3048 * loop-doloop.c (doloop_optimize_loops): Likewise.
3049 * loop-init.c (loop_optimizer_init): Likewise.
3050 * loop-unroll.c (unroll_and_peel_loops): Likewise.
3051 * loop-unswitch.c (unswitch_loops): Likewise.
3052 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
3053 * tree-parloops.c (parallelize_loops): Likewise. Verify
3054 only when checking is enabled.
3055 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
3056
3057 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
3058
3059 * genautomata.c (parse_automata_opt): New static function.
3060 (initiate_automaton_gen): Remove all option handling code. Remove
3061 argc argument. All callers changed.
3062 (main): Call init_rtx_reader_args_cb with the new function as argument.
3063
3064 2012-03-05 Richard Guenther <rguenther@suse.de>
3065
3066 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
3067 * tree-if-conv.c (combine_blocks): Free post-dominator info
3068 after breaking it.
3069 * tree-parloops.c (create_parallel_loop): Free and re-compute
3070 dominator info after breaking it.
3071
3072 2012-03-05 Richard Guenther <rguenther@suse.de>
3073
3074 PR middle-end/52353
3075 * optabs.h (trapv_unoptab_p): New function.
3076 (trapv_binoptab_p): Likewise.
3077 * optabs.c (expand_binop): Use emit_libcall_block_1 with
3078 a proper equiv_may_trap argument.
3079 (expand_unop): Likewise.
3080 (emit_libcall_block_1): Take extra argument whether the
3081 instruction may trap. Renamed from ...
3082 (emit_libcall_block): ... this. New wrapper.
3083
3084 2012-03-05 Jakub Jelinek <jakub@redhat.com>
3085
3086 PR tree-optimization/51721
3087 * tree-vrp.c (register_edge_assert_for_2): If comparing
3088 lhs of right shift by constant with an integer constant,
3089 add ASSERT_EXPRs for the rhs1 of the right shift.
3090
3091 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
3092
3093 2012-03-05 Richard Guenther <rguenther@suse.de>
3094
3095 * tree.c (integer_zerop): Handle VECTOR_CSTs.
3096 (integer_onep): Likewise.
3097 (integer_all_onesp): Likewise.
3098
3099 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
3100
3101 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3102
3103 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3104
3105 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
3106 instead of TARGET_64BIT.
3107
3108 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3109
3110 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
3111 adjust_stack_insn.
3112
3113 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3114
3115 * config/i386/i386.c (ix86_print_operand_address): Only handle
3116 zero-extended DImode addresses.
3117
3118 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
3119
3120 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
3121 taken and cputaken as bool.
3122
3123 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
3124
3125 * config/i386/constraints.md (Ya): New internal constraint.
3126 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
3127 (*zero_extendsidi2_rex64): Add x,x alternative.
3128 (*zero_extendsidi2): Ditto. Add o,0 alternative.
3129 Remove flags reg clobber. Adjust corresponding splits.
3130 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
3131 zero_extendqisi2 expanders using SWI12 mode iterator.
3132 (zero_extend<mode>si2_and): Macroize insn from
3133 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
3134 splitters.
3135 (*zero_extend<mode>si2): Macroize insn from
3136 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
3137 (*zero_extend*2_movzbl_and): Remove insn patterns.
3138 (zero_extendqihi2_and): Merge corresponding splitter.
3139 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
3140 (*zero_extend*2_movzbl_and): Remove insn patterns.
3141 (*anddi_1): Split TYPE_IMOVX instructions.
3142 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
3143 (*andhi_1): Ditto.
3144 (and->zext splitter): Add splitter pattern.
3145 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
3146
3147 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
3148
3149 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
3150 x86-specific text.
3151 (Debugging Options): Likewise.
3152 (Optimize Options): Likewise.
3153 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
3154 with other architectures. Use official processor names with correct
3155 spelling/capitalization. Fix formatting and grammar issues.
3156 (i386 and x86-64 Windows Options): Similar cleanup here.
3157
3158 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3159
3160 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
3161
3162 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3163
3164 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
3165 DBX_REGISTER_NUMBER.
3166
3167 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3168
3169 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
3170 operand is CONST_INT. Take COSTS_N_INSNS into account.
3171 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
3172 of shiftcosts.
3173
3174 2012-03-02 Richard Henderson <rth@redhat.com>
3175
3176 * optabs.c (expand_atomic_test_and_set): Honor
3177 atomic_test_and_set_trueval even when atomic_test_and_set
3178 optab is not in use.
3179
3180 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
3181
3182 PR target/48596
3183 PR target/48806
3184 * config/sh/sh.c (sh_register_move_cost): Increase cost between
3185 GENERAL_REGS and FP_REGS for SImode.
3186
3187 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3188
3189 PR target/49486
3190 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
3191 (absdi2): New expander.
3192 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
3193
3194 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3195
3196 * config/sh/sync.md (atomic_exchange<mode>): New expander.
3197 (atomic_exchange<mode>_soft): New insn.
3198
3199 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3200
3201 * config/sh/sync.md: Update copyright notice dates.
3202 (atomic_compare_and_swap<mode>): Use SImode for return value instead
3203 of QImode.
3204 (atomic_compare_and_swap<mode>_soft): Likewise.
3205
3206 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3207
3208 PR target/31640
3209 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
3210 * config/sh/sh.c: Update copyright notice dates.
3211 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
3212 alignment for TARGET_HARD_SH4.
3213 (sh_option_override): Reduce default function alignment. Set
3214 loop alignment to 4 bytes when not optimizing for size.
3215
3216 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
3217
3218 PR middle-end/50335
3219 * doc/invoke.texi (floop-flatten): Remove.
3220 * toplev.c (process_options): Remove references to flag_loop_flatten.
3221 * tree-ssa-loop.c (gate_graphite_transform): Same.
3222 * common.opt (floop-flatten): Obsolete.
3223 * graphite-poly.c (apply_poly_transforms): Remove reference to
3224 flag_loop_flatten.
3225 * Makefile.in (graphite-flattening.o): Remove.
3226 * graphite-flattening.c: Remove.
3227
3228 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3229
3230 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3231 having mode compatible with the mode of previous compare. Substitute
3232 compare mode of previous compare with the mode, compatible
3233 with eliminated and previous compare.
3234
3235 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3236
3237 * config/rs6000/dfp.md (floatdidd2): New define_insn.
3238
3239 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3240
3241 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
3242 compatible with CCGOCmode and CCGCmode.
3243
3244 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3245
3246 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3247
3248 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
3249
3250 * config/arm/arm.c (arm_sat_operator_match): New function.
3251 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
3252 * config/arm/arm.md ("insn" attribute): Add "sat" value.
3253 ("SAT", "SATrev"): New code iterators.
3254 ("SATlo", "SAThi"): New code iterator attributes.
3255 ("*satsi_<SAT:code>"): New pattern.
3256 ("*satsi_<SAT:code>_shift"): Likewise.
3257 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
3258 and "shift" attributes.
3259 ("arm_usatsihi"): Add "insn" attribute.
3260 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
3261 by powers of two. Do not allow shift by 32.
3262
3263 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3264
3265 PR target/46716
3266 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
3267 to pass the argument in the register of "natural" mode.
3268
3269 2012-03-02 Richard Guenther <rguenther@suse.de>
3270
3271 PR tree-optimization/52406
3272 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
3273 (struct indices): Add unconstrained_base member.
3274 (struct dr_alias): Remove unused vops member.
3275 (DR_UNCONSTRAINED_BASE): New define.
3276 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
3277 add indices to allow their disambiguation. Make DR_BASE_OBJECT
3278 be an artificial access that covers the whole indexed object,
3279 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
3280 plain decl base-objects to their MEM_REF variant.
3281 (dr_may_alias_p): When the base-object of either data reference
3282 has unknown size use only points-to information.
3283 (compute_affine_dependence): Make dumps easier to read and
3284 more verbose.
3285 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
3286 DR_REF when looking for packed references.
3287 (vect_supportable_dr_alignment): Likewise.
3288
3289 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
3290
3291 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
3292 Improve conditions for peepholes of loads followed by commutative
3293 operators.
3294 * config/arm/ldmstm.md: Regenerated.
3295
3296 2012-03-02 Richard Guenther <rguenther@suse.de>
3297
3298 * BASE-VER: Set to 4.8.0.
3299
3300 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3301
3302 * config.gcc (obsolete): Add all ARM targets using the FPA.
3303 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3304 * doc/install.texi: Avoid references to obsolete ARM ports.
3305
3306 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3307
3308 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3309
3310 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3311 Joern Rennecke <joern.rennecke@embecosm.com>
3312
3313 * doc/extend.texi: Expand and update information on interrupt
3314 attribute for Epiphany.
3315
3316 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3317
3318 * config/sh/sh-protos.h: Update copyright notice dates.
3319 * config/sh/sh.h: Likewise.
3320 * config/sh/sh.md: Likewise.
3321 * config/sh/constraints.md: Likewise.
3322 * config/sh/predicates.md: Likewise.
3323
3324 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3325
3326 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3327 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3328
3329 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3330
3331 * config/sh/constraints.md: Fix comment typo.
3332
3333 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3334
3335 PR target/52408
3336 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3337 unsigned HOST_WIDE_INT.
3338 (zvdep_imm64): Likewise.
3339 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3340 (vdepi_and): Likewise.
3341 Likewise for unamed 64-bit patterns.
3342 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3343
3344 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3345
3346 PR debug/52001
3347 PR rtl-optimization/52417
3348 * cselib.c (cselib_any_perm_equivs): New variable.
3349 (cselib_reset_table): Check that it's not set when not
3350 preserving constants.
3351 (cselib_add_permanent_equiv): Set it.
3352 (cselib_have_permanent_equivalences): New.
3353 (cselib_init, cselib_finish): Reset it.
3354 * cselib.h (cselib_have_permanent_equivalences): Declare.
3355 * alias.c (get_addr): Restore earlier behavior when there
3356 aren't permanent equivalences.
3357
3358 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3359
3360 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3361 * config/v850/v850-modes.def: Fix copyright notice.
3362
3363 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3364
3365 * doc/extend.texi (AVR Built-in Functions): Document
3366 __builtin_avr_flash_segment.
3367
3368 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3369 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3370 (*split.flash_segment): New insn-and-split.
3371 * config/avr/avr.c (avr_init_builtins): Add local variables:
3372 const_memx_void_node, const_memx_ptr_type_node,
3373 char_ftype_const_memx_ptr.
3374
3375 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3376
3377 PR tree-optimization/52445
3378 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3379 add ssa_name_ver, offset and size fields and change store field
3380 to bool.
3381 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3382 (add_or_mark_expr): Likewise. Only consider previous stores
3383 with the same size and offset.
3384 (nt_init_block): Only look at gimple_assign_single_p stmts,
3385 doesn't look at rhs2.
3386
3387 2012-03-01 Richard Guenther <rguenther@suse.de>
3388
3389 PR middle-end/52443
3390 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3391 conversions from integral types to pointer types.
3392
3393 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3394
3395 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3396 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3397 unintentionally removed in r184616.
3398
3399 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3400
3401 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3402 3DNow from bdver1.
3403
3404 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3405 Uros Bizjak <ubizjak@gmail.com>
3406
3407 PR target/52437
3408 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3409 alternatives, add "e" constraint to the new last alternative
3410 and ! to last 3 alternatives.
3411
3412 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3413
3414 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3415 DW_AT_artificial attributes at the end of the processing.
3416 (gen_array_type_die): Likewise.
3417 (gen_enumeration_type_die): Likewise.
3418 (gen_struct_or_union_type_die): Likewise.
3419 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3420 the parent type.
3421
3422 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3423
3424 PR middle-end/52419
3425 * expr.c (expand_assignment): If doing misaligned store that doesn't
3426 cover all mode bits, perform a RMW cycle.
3427
3428 PR tree-optimization/52429
3429 * tree-parloops.c (separate_decls_in_region_debug): Return early
3430 if var is LABEL_DECL.
3431
3432 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3433
3434 PR tree-optimization/52424
3435 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3436 calling dom_thread_across_edge.
3437
3438 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3439
3440 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3441
3442 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3443
3444 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3445 * config/avr/avr.c (avr_output_bld): Remove unused function.
3446 (avr_out_sbxx_branch): Use "%T" to print bit position.
3447
3448 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3449
3450 * config/avr/avr.md: Untabify.
3451
3452 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3453
3454 * config/avr/avr.md (eqne): New code iterator.
3455 (*dec-and-branchsi): Use it in text peephole's condition.
3456 (*dec-and-branchhi): Ditto.
3457 (*dec-and-branchqi): Ditto.
3458
3459 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3460
3461 PR target/49939
3462 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3463 the device does not have the skip-bug.
3464
3465 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3466
3467 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3468 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3469 -mpretend-cmove): New.
3470
3471 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3472
3473 PR bootstrap/52397
3474 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3475 doesn't count DEBUG_INSN refs.
3476 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3477 for DEBUG_INSN refs.
3478
3479 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3480
3481 Partially revert:
3482
3483 2012-02-20 Richard Guenther <rguenther@suse.de>
3484 PR tree-optimization/52298
3485 * tree-vect-stmts.c (vectorizable_load): Properly use
3486 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3487 outer loops.
3488
3489 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3490
3491 PR middle-end/51752
3492 * gimple.h (gimple_in_transaction): New.
3493 (gimple_set_in_transaction): New.
3494 (struct gimple_statement_base): Add in_transaction field.
3495 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3496 transaction loads.
3497 (tree_ssa_lim_initialize): Compute transaction bits.
3498 * tree.h (compute_transaction_bits): Protoize.
3499 * trans-mem.c (tm_region_init): Use the heap to store BB
3500 auxilliary data.
3501 (compute_transaction_bits): New.
3502
3503 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3504
3505 * gcc.c (display_help): Document --help=common and sort entries
3506 alphabetically.
3507
3508 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3509
3510 * doc/install.texi: Document check-$LANG specific shortcuts
3511
3512 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3513
3514 PR target/51534
3515 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3516 and vcgtu.
3517 * config/arm/arm_neon.h: Regenerate.
3518 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3519 (neon_vcgeu): New insn.
3520 (neon_vcgtu): Likewise.
3521 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3522 (ops): Unsigned comparison intrinsics call a different builtin.
3523
3524 2012-02-28 Richard Guenther <rguenther@suse.de>
3525
3526 PR target/52407
3527 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3528 ordering for the VEC_CONCAT for two element vectors for
3529 V2SFmode, V2SImode and V2DImode.
3530
3531 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3532
3533 PR target/49448
3534 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3535 detecting big-endian triplets.
3536
3537 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3538
3539 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3540 mode if there is no type information available.
3541
3542 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3543
3544 PR tree-optimization/53207
3545 * doc/invoke.texi: Document as experimental and relying on graphite.
3546
3547 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3548
3549 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3550 of initializer to changes from r184614.
3551
3552 2012-02-28 Richard Guenther <rguenther@suse.de>
3553
3554 PR tree-optimization/52395
3555 * tree-sra.c (build_ref_for_offset): Also look at the base
3556 TYPE_ALIGN when figuring out the alignment of the replacement.
3557
3558 2012-02-28 Richard Guenther <rguenther@suse.de>
3559
3560 PR tree-optimization/52402
3561 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3562 mis-aligned types when creating the accesses at the call site.
3563
3564 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3565
3566 * config/avr/builtins.def: New file.
3567 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3568 * config/avr/avr.c (enum avr_builtin_id): Use it.
3569 (avr_init_builtins): Use it. And use avr_bdesc.
3570 (bdesc_1arg): Remove.
3571 (bdesc_2arg): Remove.
3572 (bdesc_3arg): Remove.
3573 (struct avr_builtin_description): Add field n_args.
3574 (avr_bdesc): New static variable using builtins.def.
3575 (avr_expand_builtin): Use it.
3576 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3577 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3578 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3579
3580 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3581
3582 PR target/52148
3583 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3584 match only one single hard register with respective hard reg rtx.
3585 (movmemx_<mode>): Ditto.
3586 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3587 insn anatomy of movmem[x]_<mode>.
3588 (avr_out_movmem): Same for printing assembler and operand usage.
3589
3590 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3591
3592 PR target/49868
3593 PR target/52261
3594 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3595 address spaces located outside of device flash.
3596
3597 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3598 (mcu_type_s): Add field n_flash.
3599 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3600 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3601 (AVR_MCU): Add N_FLASH argument.
3602 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3603 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3604 macro __FLASH<n> if that address space makes sense for the device.
3605 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3606 outside of target flash.
3607 (avr_asm_named_section): Ditto.
3608 (avr_asm_select_section): Ditto.
3609 (avr_addr_space_convert): Ditto.
3610 (avr_emit_movmemhi): Ditto.
3611 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3612 address space is outside of device flash.
3613 (avr_insert_attributes): Ditto.
3614 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3615 avr_current_arch->n_segments.
3616
3617 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3618
3619 PR target/52352
3620 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
3621 (*movabs<mode>_2): Likewise.
3622
3623 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3624
3625 PR target/52375
3626 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3627 s_register_operand in the test instead of REG_P. Don't call
3628 gen_reg_rtx if it won't be used.
3629
3630 PR tree-optimization/52376
3631 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3632
3633 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3634
3635 * ifcvt.c (noce_get_condition): Check condition variable is not
3636 small_register_classes_for_mode_p before accepting.
3637
3638 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3639
3640 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3641
3642 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3643
3644 Revert:
3645 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3646 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3647 tuning parameters.
3648 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3649
3650 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3651
3652 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3653
3654 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3655
3656 * config/sh/predicates.md: Remove blank lines.
3657 * config/sh/sh.c: Fix typos in comments.
3658 * config/sh/constraints.md: Likewise.
3659 * config/sh/sh.md: Remove blank lines.
3660 Fix typos in comments. Use ;; as comment characters.
3661
3662 2012-02-26 Walter Lee <walt@tilera.com>
3663
3664 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3665 (replace_mov_pcrel_step2): Ditto.
3666
3667 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3668
3669 PR debug/52001
3670 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3671 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3672 and locs that reference values newer than the non-canonical value
3673 at hand. Return the canonical value as a worst case.
3674 (memrefs_conflict_p): Walk canonical value's locs.
3675
3676 PR debug/52001
3677 * cselib.c (preserve_only_constants): Rename to...
3678 (preserve_constants_and_equivs): ... this. Split out...
3679 (invariant_or_equiv_p): ... this. Preserve plus expressions
3680 of other preserved expressions too.
3681 (cselib_reset_table): Adjust.
3682 * var-tracking.c (reverse_op): Use canonical value to build
3683 reverse operation.
3684
3685 2012-02-23 Kai Tietz <ktietz@redhat.com>
3686
3687 * config/i386/i386.c (ix86_delegitimize_address): Handle
3688 UNSPEC_PCREL plus displacement.
3689
3690 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3691
3692 PR target/52261
3693 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3694 to test for unusedness in st X addressing.
3695
3696 2012-02-24 Richard Guenther <rguenther@suse.de>
3697
3698 PR middle-end/52361
3699 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3700 (is_gimple_reg_type): Move inline ...
3701 * gimple.h (is_gimple_reg_type): ... here.
3702
3703 2012-02-24 Richard Guenther <rguenther@suse.de>
3704
3705 PR middle-end/52361
3706 * passes.c (execute_function_todo): When verifying SSA form
3707 verify gimple form first.
3708 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3709
3710 2012-02-24 Richard Guenther <rguenther@suse.de>
3711
3712 PR middle-end/52355
3713 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3714 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3715
3716 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3717
3718 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3719
3720 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3721
3722 * tree-phinodes.c (make_phi_node): Mark static.
3723 * tree-flow.h (make_phi_node): Remove extern decl.
3724 * doc/gimple.texi (make_phi_node): Remove documentation.
3725
3726 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3727
3728 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3729 * tree-ssa-sccvn.c (print_scc): Ditto.
3730
3731 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3732
3733 * doc/passes.texi (Full redundancy elimination): Fix typo.
3734
3735 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3736
3737 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3738
3739 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3740
3741 PR bootstrap/52287
3742 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3743
3744 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3745
3746 PR c/52290
3747 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3748
3749 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3750
3751 * config/avr/avr.md (code_stdname): Add ior, xor.
3752 (xior): New code iterator.
3753 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3754 (*<code_stdname><mode>qi.byte1-3): Ditto.
3755
3756 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3757
3758 PR tree-optimization/52019
3759 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3760 CLOBBER stmts.
3761
3762 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3763
3764 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3765 HAVE_INITFINI_ARRAY to work around namespace pollution in
3766 certain versions of newlib system headers.
3767 * config.in: Regenerate.
3768 * configure: Regenerate.
3769 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3770 instead of HAVE_INITFINI_ARRAY.
3771
3772 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3773
3774 PR target/52330
3775 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3776 is not offsettable memory reference.
3777
3778 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3779
3780 PR target/18145
3781 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3782 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3783
3784 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3785
3786 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3787 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3788
3789 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3790
3791 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3792 library on Solaris 8 even without TLS support.
3793 * configure: Regenerate.
3794
3795 2012-02-22 Richard Guenther <rguenther@suse.de>
3796
3797 PR middle-end/52329
3798 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3799 for GIMPLE_DEBUG stmts.
3800
3801 2012-02-22 Martin Jambor <mjambor@suse.cz>
3802
3803 PR middle-end/51782
3804 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3805 according to the base object.
3806
3807 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3808
3809 PR rtl-optimization/50063
3810 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3811 and 2 (8-bit SP) in operand 2.
3812 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3813 setup to use movhi_sp_r instead of vanilla move to write SP.
3814 Adjust REG_CFA notes to superseed unspec.
3815 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3816 of vanilla move.
3817 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3818 known to be off) only with TARGET_NO_INTERRUPTS. Never use
3819 irq_state 1 (IRQ known to be on) here.
3820
3821 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
3822
3823 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3824 WORDS_BIG_ENDIAN.
3825 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3826 assign_hard_reg): Likewise.
3827
3828 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3829
3830 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3831
3832 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3833
3834 * config/avr/avr.md
3835 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3836 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3837
3838 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
3839
3840 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3841 prototype from here to...
3842 * config/avr/avr.h: ...here.
3843
3844 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
3845
3846 PR target/52294
3847 * thumb2.md (thumb2_shiftsi3_short): Split register and
3848 immediate shifts. For register shifts tie operands 0 and 1.
3849 (peephole2 for above): Check that register-controlled shifts
3850 have suitably tied operands.
3851
3852 2012-02-21 Quentin Neill <quentin.neill@amd.com>
3853
3854 PR target/52137
3855 * config/i386/bdver1.md (bdver1_call, bdver1_push,
3856 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3857 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3858 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3859 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3860 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3861 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3862 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3863 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3864 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3865 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3866 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3867 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3868 bdver1_ssevector_avx256_unaligned_load,
3869 bdver1_ssevector_sse128_unaligned_load,
3870 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3871 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3872 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3873 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3874 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3875 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3876 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3877 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3878 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3879 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3880 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3881 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3882 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3883 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3884 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3885 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3886 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3887 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3888 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3889 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3890 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3891 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3892 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3893 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3894 bdver1_ssediv_double_load, bdver1_ssediv_double,
3895 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3896 Add "bdver2" attribute.
3897
3898 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3899
3900 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3901 default if possible and not specified otherwise.
3902
3903 2012-02-21 Richard Guenther <rguenther@suse.de>
3904
3905 PR middle-end/52314
3906 * gimplify.c (create_tmp_from_val): Use the main variant type
3907 for the type of the temporary we create.
3908
3909 2012-02-21 Richard Guenther <rguenther@suse.de>
3910
3911 PR tree-optimization/52324
3912 * gimplify.c (gimplify_expr): When re-gimplifying expressions
3913 do not gimplify a MEM_REF address operand if it is already
3914 in suitable form.
3915
3916 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3917
3918 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3919 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3920
3921 2012-02-21 Richard Guenther <rguenther@suse.de>
3922
3923 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3924 nested_in_vect_loop.
3925
3926 2012-02-21 Jakub Jelinek <jakub@redhat.com>
3927
3928 PR tree-optimization/52318
3929 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3930 vdef also to non-pure/const call stmts in the sequence.
3931
3932 2012-02-21 Tristan Gingold <gingold@adacore.com>
3933
3934 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
3935
3936 2012-02-20 David S. Miller <davem@davemloft.net>
3937
3938 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3939 don't use the "rd %pc" instruction on v9 for PIC register loads.
3940
3941 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
3942
3943 PR middle-end/52141
3944 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3945 in a transaction safe function.
3946
3947 2012-02-20 Kai Tietz <ktietz@redhat.com>
3948
3949 PR target/52238
3950 * stor-layout.c (place_field): Handle desired_align for
3951 ms-bitfields, too.
3952
3953 2012-02-20 Richard Guenther <rguenther@suse.de>
3954
3955 PR tree-optimization/52298
3956 * tree-vect-stmts.c (vectorizable_store): Properly use
3957 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3958 outer loops.
3959 (vectorizable_load): Likewise.
3960 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3961 Access DR_STEP after ensuring it is not NULL.
3962
3963 2012-02-20 Jakub Jelinek <jakub@redhat.com>
3964
3965 PR tree-optimization/52286
3966 * fold-const.c (fold_binary_loc): For (X & C1) | C2
3967 optimization use double_int_to_tree instead of build_int_cst_wide,
3968 rewrite to use double_int vars.
3969
3970 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3971
3972 PR target/50166
3973 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3974 Define _start.
3975 Remove -e 0 from $gcc_cv_ld invocation.
3976 Only use __GLIBC_PREREQ if defined.
3977 Enable on Solaris since Solaris 8 patch.
3978 (gcc_SUN_LD_VERSION): New macro.
3979 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3980 gcc_SUN_LD_VERSION for version number format.
3981 * configure: Regenerate.
3982 * varasm.c (get_elf_initfini_array_priority_section): Set
3983 SECTION_NOTYPE for non-default priority.
3984 Use get_section instead of get_unnamed_section to emit
3985 .init_array/.fini_array with default priority.
3986
3987 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3988
3989 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3990 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
3991 (mips_start_unique_function, mips_output_mips16_rdhwr)
3992 (mips_code_end): New functions.
3993 (TARGET_ASM_CODE_END): Define.
3994
3995 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
3996
3997 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3998 to stubs with non-sibling calls.
3999
4000 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
4001
4002 * doc/invoke.texi (-fira-* options): Copy-edit.
4003 (ira-* parameters): Copy-edit.
4004
4005 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4006
4007 * doc/invoke.texi: Minor copy-edits to bring into conformance with
4008 GCC coding conventions.
4009
4010 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4011
4012 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
4013 when used as adjectives.
4014
4015 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
4016
4017 * doc/invoke.texi: Clean up "that"/"which" confusion.
4018
4019 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
4020
4021 * system.h: Poison SMALL_REGISTER_CLASSES
4022 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
4023 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
4024
4025 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4026
4027 PR tree-optimization/52285
4028 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
4029 when deciding if a call is a tail call or tail recursion.
4030
4031 2012-02-16 Kai Tietz <ktietz@redhat.com>
4032
4033 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4034 interger-constant displacement for UNSPEC_PCREL.
4035
4036 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4037
4038 PR rtl-optimization/52208
4039 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4040 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4041
4042 PR tree-optimization/52255
4043 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4044 loop->header has virtual PHI, but exit_e->dest doesn't, add
4045 virtual PHI to exit_e->dest and adjust all uses after the loop.
4046
4047 PR debug/52260
4048 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4049 children with clone_tree_hash, not after it.
4050
4051 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4052
4053 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4054 extended identifiers.
4055
4056 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4057
4058 PR middle-end/51929
4059 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4060 a same_body_alias, also test whether e->callee isn't a former
4061 or current clone of the decl this is a same body alias of.
4062
4063 PR translation/52264
4064 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4065
4066 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4067
4068 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4069
4070 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4071
4072 PR target/52199
4073 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4074 force_reg instead of copy_to_reg for better optimization. Force
4075 non-register or memory operands into a register.
4076
4077 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4078
4079 * extend.texi: Reserve upper bits of memory model for future use.
4080
4081 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4082 Anatoly Sokolov <aesok@post.ru>
4083 Eric Weddington <eric.weddington@atmel.com>
4084
4085 PR target/52261
4086 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4087 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4088 Rewrite initializers for .macro.
4089 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4090 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4091 atxmega32d4, atxmega32x1.
4092 avrxmega4: atxmega64a3, atxmega64d3.
4093 avrxmega5: atxmega64a1, atxmega64a1u.
4094 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4095 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4096 avrxmega7: atxmega128a1, atxmega128a1u.
4097 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4098 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4099 (struct base_arch_s): Rename reserved to xmega_p.
4100 Rename reserved2 to have_rampd.
4101 (AVR_XMEGA): New define.
4102 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4103 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4104 * config/avr/predicates.md (io_address_operand): Take into
4105 account SFR offset.
4106 (low_io_address_operand): Ditto.
4107 (high_io_address_operand): Ditto.
4108 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4109 (enabled, movhi_sp_r): Use them.
4110 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4111 cpp_define_formatted to built-in define __AVR_ARCH__.
4112 (__AVR_XMEGA__): New built-in define.
4113 (__AVR_HAVE_RAMPD__): New built-in define.
4114 (__AVR_HAVE_RAMPX__): New built-in define.
4115 (__AVR_HAVE_RAMPY__): New built-in define.
4116 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4117
4118 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4119 (avr_option_override): Initialize them.
4120 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4121 (avr_init_expanders): Initialize them. No more block several calls.
4122 (emit_push_sfr): New static function.
4123 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4124 Handle AVR_XMEGA.
4125 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4126 (avr_print_operand): Print addreeses as symbols for
4127 RAMPX, RAMPY, RAMPD, CCP.
4128 (output_movhi): Handle AVR_XMEGA when writing to SP.
4129 (avr_out_movhi_mr_r_xmega): New static function.
4130 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4131 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4132 __RAMPD__, __CCP__ as needed.
4133
4134 * config/avr/multilib.h: Regenerate.
4135 * config/avr/t-multilib: Regenerate.
4136 * config/avr/avr-tables.opt: Regenerate.
4137
4138 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4139
4140 PR tree-optimization/50561
4141 * graphite-flattening.c (lst_project_loop): Do not
4142 remove old scattering dimensions after flattening.
4143 (lst_do_flatten): Likewise.
4144
4145 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4146
4147 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4148 __builtin_avr_map8, __builtin_avr_map16.
4149 Document __builtin_avr_insert_bits.
4150
4151 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4152 (insert_bits): New insn.
4153 (adjust_len.map_bits): Rename to insert_bits.
4154 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4155 * avr-protos.h (avr_out_map_bits): Remove.
4156 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4157 * config/avr/constraints.md (Cxf,C0f): New.
4158 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4159 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4160 New built-in define __BUILTIN_AVR_INSERT_BITS.
4161 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4162 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4163 (avr_move_bits): Rewrite.
4164 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4165 functions.
4166 (avr_map_op_t): New typedef.
4167 (avr_map_op): New static variable.
4168 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4169 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4170 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4171 (bdesc_3arg, avr_expand_triop_builtin): New.
4172 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4173 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4174 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4175 (avr_map_equal_p, avr_map_sig_p): Remove.
4176 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4177 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4178 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4179 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4180 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4181 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4182
4183 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4184
4185 * config/c6x/c6x.md (reserve_cycles): New attribute.
4186 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4187 don't reserve functional units after the branch occurs.
4188
4189 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4190
4191 PR middle-end/52142
4192 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4193 functions into non-tm_pure functions.
4194
4195 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4196
4197 PR lto/52178
4198 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4199 (iterative_hash_canonical_type): Likewise.
4200 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4201 the dead edges.
4202
4203 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4204
4205 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4206 sched-group insn, it either remains alone or the entire list is pruned.
4207
4208 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4209
4210 * doc/install.texi (Prerequisites): Fix grammar.
4211 (Configuration): Likewise.
4212
4213 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4214
4215 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4216 MPC as part of GCC before describing configuring with --with-gmp etc.
4217 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4218 sources are present.
4219
4220 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4221
4222 PR debug/51950
4223 * dwarf2out.c (clone_tree_hash): New function.
4224 (copy_decls_walk): Use it instead of clone_tree.
4225
4226 2012-02-14 Richard Guenther <rguenther@suse.de>
4227
4228 PR tree-optimization/52244
4229 PR tree-optimization/51528
4230 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4231 replacements for integral types.
4232
4233 2012-02-14 Walter Lee <walt@tilera.com>
4234
4235 * config.gcc: Handle tilegx and tilepro.
4236 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4237 tilegx and tilepro.
4238 Add HAVE_AS_TLS check for tilegx and tilepro.
4239 * configure: Regenerate.
4240 * doc/contrib.texi: Add Mat Hostetter and self.
4241 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4242 Document instruction intrinsics and network accessing intrinsics.
4243 (TILEPro Built-in Functions): New node. Document instruction
4244 intrinsics and network accessing intrinsics.
4245 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4246 (Specific, tilepro-*-linux*): Likewise.
4247 * doc/invoke.texi (TILE-Gx Options): New section.
4248 (TILEPro Options): New section.
4249 * doc/md.texi (TILE-Gx): New section.
4250 (TILEPro): New section.
4251 * common/config/tilegx/tilegx-common.c: New file.
4252 * common/config/tilepro/tilepro-common.c: New file.
4253 * config/tilegx/constraints.md: New file.
4254 * config/tilegx/linux.h: New file.
4255 * config/tilegx/mul-tables.c: New file.
4256 * config/tilegx/predicates.md: New file.
4257 * config/tilegx/sync.md: New file.
4258 * config/tilegx/t-tilegx: New file.
4259 * config/tilegx/tilegx-builtins.h: New file.
4260 * config/tilegx/tilegx-c.c: New file.
4261 * config/tilegx/tilegx-generic.md: New file.
4262 * config/tilegx/tilegx-modes.def: New file.
4263 * config/tilegx/tilegx-multiply.h: New file.
4264 * config/tilegx/tilegx-protos.h: New file.
4265 * config/tilegx/tilegx.c: New file.
4266 * config/tilegx/tilegx.h: New file.
4267 * config/tilegx/tilegx.md: New file.
4268 * config/tilegx/tilegx.opt: New file.
4269 * config/tilepro/constraints.md: New file.
4270 * config/tilepro/gen-mul-tables.cc: New file.
4271 * config/tilepro/linux.h: New file.
4272 * config/tilepro/mul-tables.c: New file.
4273 * config/tilepro/predicates.md: New file.
4274 * config/tilepro/t-tilepro: New file.
4275 * config/tilepro/tilepro-builtins.h: New file.
4276 * config/tilepro/tilepro-c.c: New file.
4277 * config/tilepro/tilepro-generic.md: New file.
4278 * config/tilepro/tilepro-modes.def: New file.
4279 * config/tilepro/tilepro-multiply.h: New file.
4280 * config/tilepro/tilepro-protos.h: New file.
4281 * config/tilepro/tilepro.c: New file.
4282 * config/tilepro/tilepro.h: New file.
4283 * config/tilepro/tilepro.md: New file.
4284 * config/tilepro/tilepro.opt: New file.
4285
4286 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4287
4288 PR tree-optimization/52210
4289 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4290 vect_model_simple_cost with two entry vect_def_type array instead
4291 of an address of dt.
4292
4293 2012-02-14 Richard Guenther <rguenther@suse.de>
4294
4295 PR lto/52178
4296 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4297 Do not stream DECL_QUALIFIER.
4298 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4299 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4300 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4301
4302 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4303
4304 PR c/52181
4305 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4306 newdecl.
4307
4308 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4309
4310 PR bootstrap/52172
4311 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4312 * cselib.c (cselib_subst_to_values_from_insn): New function.
4313 * sched-deps.c (add_insn_mem_dependence,
4314 sched_analyze_1, sched_analyze_2): Use it.
4315
4316 2012-02-13 Jan Hubicka <jh@suse.cz>
4317
4318 PR middle-end/52214
4319 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4320
4321 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4322
4323 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4324 (GTM_SELF_SPECS): Define if not already defined.
4325 (driver_self_specs): Add GTM_SELF_SPECS.
4326 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4327 (GTM_SELF_SPECS): Define.
4328 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4329 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4330
4331 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4332
4333 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4334 away if seen.
4335
4336 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4337
4338 PR middle-end/52230
4339 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4340 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4341
4342 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4343
4344 PR c/52190
4345 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4346
4347 2012-02-13 Richard Guenther <rguenther@suse.de>
4348
4349 PR translation/52211
4350 * passes.c (enable_disable_pass): Fix typo.
4351
4352 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4353
4354 PR middle-end/52209
4355 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4356 XOR for reduce_bit_field if type is unsigned.
4357
4358 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4359
4360 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4361 disallow changes from SFmode to mode with different size in FP regs.
4362
4363 2012-02-12 Robert Millan <rmh@gnu.org>
4364 Gerald Pfeifer <gerald@pfeifer.com>
4365
4366 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4367 Tweak comment.
4368
4369 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4370
4371 PR rtl-optimization/52175
4372 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4373 to frame-related instructions.
4374
4375 2012-02-10 Jason Merrill <jason@redhat.com>
4376
4377 PR c++/51910
4378 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4379 (demangle_new_symbols): Fill it.
4380 (scan_linker_output): Walk it.
4381 (start_tweaking): Split out from scan_linker_output.
4382 (maybe_tweak): Update sym->chosen.
4383 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4384
4385 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4386
4387 PR debug/52132
4388 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4389
4390 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4391
4392 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4393 having the same mode as previous compare.
4394
4395 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4396
4397 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4398 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4399 (nonlocal_goto_internal): Likewise.
4400 (nonlocal_goto): Emit a use and an indirect jump directly.
4401
4402 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4403
4404 PR c/52190
4405 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4406 __atomic_{is,always}_lock_free.
4407
4408 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4409
4410 PR target/52146
4411 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4412 negative constant address for TARGET_X32.
4413
4414 2012-02-10 Richard Henderson <rth@redhat.com>
4415
4416 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4417 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4418 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4419
4420 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4421 Ira Rosen <irar@il.ibm.com>
4422
4423 PR tree-optimization/50031
4424 * targhooks.c (default_builtin_vectorization_cost): Handle
4425 vec_promote_demote.
4426 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4427 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4428 all types of reduction and pattern statements.
4429 (vect_estimate_min_profitable_iters): Likewise.
4430 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4431 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4432 for explicit realigns.
4433 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4434 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4435 vec_promote_demote.
4436 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4437 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4438 vec_perm for VSX and handle vec_promote_demote.
4439
4440 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4441
4442 PR middle-end/52177
4443 * builtins.c (fold_builtin_atomic_always_lock_free,
4444 expand_builtin_atomic_always_lock_free,
4445 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4446 Return and/or test boolean_true_node/boolean_false_node instead of
4447 integer_one_node/integer_zero_node.
4448
4449 2012-02-10 Jan Hubicka <jh@suse.cz>
4450
4451 PR middle-end/48600
4452 * predict.c (predict_paths_for_bb): Prevent looping.
4453 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4454
4455 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4456
4457 * config/arm/arm.c (output_move_double): In one case properly
4458 count number of instructions that will be emitted.
4459
4460 2012-02-10 Richard Guenther <rguenther@suse.de>
4461
4462 PR translation/52193
4463 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4464
4465 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4466
4467 PR middle-end/52140
4468 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4469
4470 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4471
4472 PR debug/52165
4473 * var-tracking.c (emit_note_insn_var_location): If
4474 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4475 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4476 non-NOTE_DURING_CALL_P insn.
4477
4478 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4479
4480 PR middle-end/51867
4481 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4482
4483 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4484
4485 PR driver/48524
4486 * gcc.c (switch_matches) Support switches with separated form,
4487 -D and -U.
4488
4489 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4490
4491 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4492 (SP_ADDR): Ditto.
4493 (RAMPZ_ADDR): Ditto.
4494 * config/avr/avr.c (avr_addr_t): New typedef.
4495 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4496 (avr_init_expanders): Initialize it.
4497 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4498 SREG_ADDR.
4499 (expand_epilogue): Ditto.
4500 (avr_print_operand): Ditto.
4501 (avr_file_start): Ditto.
4502 (avr_emit_movmemhi): Ditto.
4503
4504 2012-02-08 Richard Guenther <rguenther@suse.de>
4505
4506 PR tree-optimization/46886
4507 * tree-flow.h (do_while_loop_p): Declare.
4508 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4509 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4510
4511 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4512
4513 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4514 always succeed for integers larger than a native word.
4515
4516 2012-02-08 Richard Guenther <rguenther@suse.de>
4517
4518 PR rtl-optimization/52170
4519 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4520 properly handle integer vector modes.
4521
4522 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4523
4524 PR gcov-profile/52150
4525 * coverage.c: Include target.h.
4526 (build_var): Call targetm.strip_name_encoding on the assembler name.
4527 Change one _ into . or $ if the target allows it.
4528 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4529
4530 PR rtl-optimization/52139
4531 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4532 is a BARRIER after emit_insn_after_noloc, move BB_END
4533 to the last non-BARRIER insn before it.
4534
4535 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4536
4537 PR middle-end/24306
4538 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4539 (mips_gimplify_va_arg_expr): Call it instead of
4540 std_gimplify_va_arg_expr.
4541
4542 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4543
4544 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4545 message for -mno-pointers-to-nested-function.
4546
4547 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4548
4549 PR middle-end/51994
4550 * expr.c (get_inner_reference): If there is an offset, add a negative
4551 bit position to it (if any).
4552
4553 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4554
4555 PR rtl-optimization/52060
4556 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4557 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4558 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4559 and/or i0src_copy2 when needed.
4560
4561 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4562
4563 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4564 or LTOPLUGINSONAME if have_c.
4565
4566 * config/freebsd-spec.h: Add comment about what macros can be defined
4567 in this header.
4568 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4569 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4570 here instead.
4571
4572 2012-02-07 Richard Guenther <rguenther@suse.de>
4573
4574 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4575 newline in -alias dumps.
4576
4577 2012-02-07 Kai Tietz <ktietz@redhat.com>
4578 Dave Korn <dave.korn.cygwin@gmail.com>
4579
4580 PR target/40068
4581 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4582 Take care that typinfo gets dllexport-attribute.
4583
4584 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4585
4586 PR middle-end/52074
4587 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4588 if modifier < EXPAND_SUM call force_operand on the result.
4589
4590 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4591
4592 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4593 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4594 present.
4595 (epiphany_function_type): Replace types for specific interrupts with
4596 EPIPHANY_FUNCTION_INTERRUPT.
4597 (EPIPHANY_INTERRUPT_P): Update.
4598 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4599 New static function.
4600 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4601 <disinterrupt>: Affects type identity.
4602 (epiphany_handle_interrupt_attribute): Handle variable number of
4603 arguments.
4604 (epiphany_compute_function_type): Update for new
4605 epiphany_function_type definition.
4606 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4607 handlers with a longcall forwarder.
4608 (epiphany_start_function): Handle multiple interrupt arguments and/or
4609 forwarder_section attribute.
4610
4611 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4612 libgloss.
4613
4614 2012-02-07 Alan Modra <amodra@gmail.com>
4615
4616 PR target/52107
4617 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4618 subregs of TFmode.
4619
4620 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4621
4622 PR tree-optimization/50969
4623 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4624 use vec_perm rather than vector_stmt.
4625 (vect_model_load_cost): Likewise.
4626 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4627 vec_perm to be the same as other vector statements.
4628 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4629 cost of vec_perm for TARGET_VSX.
4630
4631 2012-02-06 Richard Guenther <rguenther@suse.de>
4632
4633 PR tree-optimization/52115
4634 * tree-sra.c (access_has_replacements_p): New function.
4635 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4636
4637 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4638
4639 PR middle-end/52047
4640 * trans-mem.c (expand_call_tm): Add an assertion.
4641 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4642 functions.
4643
4644 2012-02-06 Richard Guenther <rguenther@suse.de>
4645
4646 PR tree-optimization/50955
4647 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4648 raise cost of expressions that replace an address with an
4649 expression based on a different pointer.
4650
4651 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4652
4653 PR target/52129
4654 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4655 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4656
4657 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4658
4659 PR c++/48680
4660 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4661 -Weffc++ and specify guidelines come from second edition.
4662
4663 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4664
4665 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4666 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4667 (call_direct_split, call_value_split, call_value_internal_direct)
4668 (call_value_direct_split, call_value_multiple_split): Use jal and
4669 jal_macro attributes.
4670
4671 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4672
4673 * reload1.c (reload_regs_reach_end_p): Replace with...
4674 (reload_reg_rtx_reaches_end_p): ...this function.
4675 (new_spill_reg_store): Update commentary.
4676 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4677 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4678 before setting new_spill_reg_store.
4679 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4680 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4681 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4682 for non-spill reload registers.
4683
4684 2012-02-05 Ira Rosen <irar@il.ibm.com>
4685
4686 PR tree-optimization/52091
4687 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4688 (vect_is_simple_use_1): Likewise.
4689 * tree-vect-loop.c (vectorizable_reduction): Update calls
4690 to vect_is_simple_use_1 and vect_is_simple_use.
4691 (vectorizable_live_operation): Likewise.
4692 * tree-vect-patterns.c (widened_name_p,
4693 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4694 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4695 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4696 vectorizable_shift,vectorizable_operation, vectorizable_store,
4697 vectorizable_load): Likewise.
4698 (vect_is_simple_cond): Add an argument, pass it to
4699 vect_is_simple_use_1.
4700 (vectorizable_condition): Update calls to vect_is_simple_cond,
4701 vect_is_simple_use.
4702 (vect_is_simple_use): Add an argument, the statement in which
4703 OPERAND is used. Check that if OPERAND's def stmt is a double
4704 reduction phi node, the use is a phi node too.
4705 (vect_is_simple_use_1): Add an argument, pass it to
4706 vect_is_simple_use.
4707 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4708 to vect_is_simple_use.
4709
4710 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4711
4712 PR rtl-optimization/52095
4713 * modulo-sched.c (dump_insn_locator): New function.
4714 (loop_canon_p, sms_schedule): Use it.
4715
4716 PR rtl-optimization/52113
4717 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4718 even for decomposable shift/zext insns.
4719
4720 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4721 Zdenek Dvorak <ook@ucw.cz>
4722
4723 PR rtl-optimization/52092
4724 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4725 on get_iv_value result.
4726
4727 2012-02-02 Andrew Pinski <apinski@cavium.com>
4728
4729 PR middle-end/47982
4730 PR middle-end/43967
4731 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4732
4733 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4734
4735 PR middle-end/48071
4736 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4737
4738 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4739
4740 PR rtl-optimization/49800
4741 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4742 (sched_finish): Call regstat_free_n_sets_and_refs.
4743
4744 2012-02-02 Jia Liu <proljc@gmail.com>
4745
4746 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4747 than operand 2.
4748
4749 2012-02-02 Jan Hubicka <jh@suse.cz>
4750 Tom de Vries <tom@codesourcery.com>
4751
4752 PR middle-end/51998
4753 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4754 * varpool.c (varpool_analyze_pending_decls): Likewise.
4755
4756 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4757 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4758
4759 * config.gcc: Add cr16-* support.
4760
4761 * doc/extend.texi: Document cr16 extensions.
4762 * doc/install.texi: Document cr16 install.
4763 * doc/invoke.texi: Document cr16 options.
4764 * doc/md.texi: Document cr16 constraints.
4765
4766 * common/config/cr16/cr16-common.c: New file.
4767 * config/cr16/cr16.c: New file.
4768 * config/cr16/cr16.h: New file.
4769 * config/cr16/cr16.md: New file.
4770 * config/cr16/cr16.opt: New file.
4771 * config/cr16/cr16-protos.h: New file.
4772 * config/cr16/predicates.md: New file.
4773 * config/cr16/constraints.md: New file.
4774 * config/cr16/t-cr16: New file.
4775
4776 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4777
4778 PR target/52086
4779 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4780 that operands[2] is either immediate, or q_regs_operand.
4781
4782 PR tree-optimization/52073
4783 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4784 a pattern stmt for pattern uses, ignore uses outside of the loop.
4785
4786 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4787
4788 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4789 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4790 (OUT_AS1, OUT_AS2): Remove.
4791
4792 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4793
4794 PR rtl-optimization/51374
4795 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4796 to cross other volatile_refs_p insns.
4797
4798 2012-02-01 Richard Guenther <rguenther@suse.de>
4799
4800 * doc/invoke.texi (fno-inline): Clarify documentation.
4801 (finline-small-functions): Likewise.
4802 (finline-functions): Likewise.
4803 * common.opt (finline): Adjust comment and documentation.
4804 (finline-small-functions): Clarify documentation.
4805 (finline-functions): Likewise.
4806 (finline-functions-called-once): Likewise.
4807
4808 2012-02-01 Tristan Gingold <gingold@adacore.com>
4809
4810 * c-typeck.c (composite_type): Keep mode for pointers.
4811
4812 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
4813
4814 * function.h (regno_reg_rtx): Adjust comment.
4815 * reginfo.c (init_reg_modes_target): Only use the previous mode
4816 if it fits within one register. Remove MIPS comment.
4817
4818 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4819
4820 PR bootstrap/52058
4821 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4822
4823 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4824
4825 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4826 to srak instruction.
4827
4828 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4829
4830 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4831
4832 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4833
4834 PR bootstrap/52041
4835 PR bootstrap/52039
4836 PR target/51974
4837 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4838
4839 2012-01-31 Richard Guenther <rguenther@suse.de>
4840
4841 PR tree-optimization/51528
4842 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4843 assigns.
4844
4845 2012-01-31 Jakub Jelinek <jakub@redhat.com>
4846
4847 PR bootstrap/52041
4848 PR bootstrap/52039
4849 PR target/51974
4850 * ree.c (add_removable_extension): Change def_map argument
4851 to unsigned *, store in def_map 1 + offset into *insn_list vector
4852 instead of pointers into the vector.
4853 (find_removable_extensions): Adjust caller.
4854
4855 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4856
4857 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4858 Transform all "* quoted-c-code" to { c-code }.
4859 Remove redundant test for "optimize" in combine patterns.
4860 Move (include "avr-dimode.md") to end of file.
4861
4862 2012-01-30 Bin Cheng <bin.cheng@arm.com>
4863
4864 PR target/51835
4865 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4866 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4867
4868 2012-01-30 Richard Guenther <rguenther@suse.de>
4869
4870 PR tree-optimization/52028
4871 * tree-loop-distribution.c (ldist_gen): Properly update
4872 virtual SSA form.
4873
4874 2012-01-30 Jakub Jelinek <jakub@redhat.com>
4875
4876 PR debug/52027
4877 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4878 set_cur_line_info_table if not emitting debug info.
4879
4880 PR tree-optimization/52046
4881 * tree-vect-patterns.c (check_bool_pattern): Give up if
4882 a comparison could throw.
4883
4884 PR debug/52048
4885 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4886
4887 2012-01-30 Richard Guenther <rguenther@suse.de>
4888
4889 PR tree-optimization/52045
4890 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4891 SSA form if cfgcleanup did anything.
4892
4893 2012-01-30 Richard Guenther <rguenther@suse.de>
4894
4895 PR tree-optimization/52045
4896 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4897 before computing final todo.
4898
4899 2012-01-30 Richard Guenther <rguenther@suse.de>
4900
4901 PR tree-optimization/51528
4902 * tree-sra.c (sra_modify_assign): Re-factor in preparation
4903 for PR51528 fix.
4904
4905 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
4906
4907 * df-problems.c (df_kill_notes): Check that the use refers
4908 to the note under examination.
4909
4910 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
4911
4912 PR target/51920
4913 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4914 parameter and use short-lived pseudos.
4915 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4916 (sparc_expand_vector_init): Const-ify local variables and adjust
4917 calls to above functions.
4918
4919 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
4920
4921 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4922
4923 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
4924
4925 * doc/invoke.texi: Make usage of "compile time" and
4926 "run time"/"runtime" consistent throughout the file.
4927
4928 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
4929
4930 * config/alpha/alpha.c (alpha_option_override): Default to
4931 full IEEE compliance mode for Go language.
4932
4933 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
4934
4935 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4936 (LINK_SSP_SPEC): Define.
4937
4938 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4939
4940 PR target/51871
4941 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4942 stubs.
4943
4944 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
4945
4946 * doc/invoke.texi: Correct hyphenation of "floating point",
4947 "double precision", and related terminology throughout the file.
4948
4949 2012-01-28 Jakub Jelinek <jakub@redhat.com>
4950
4951 PR target/52006
4952 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4953 arm_general_register_operand predicate for operand 2 instead of
4954 register_operand.
4955
4956 2012-01-27 Ian Lance Taylor <iant@google.com>
4957
4958 PR go/47656
4959 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4960 * builtins.c (expand_builtin_init_trampoline): Add onstack
4961 parameter. Change caller.
4962 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4963 * tree.c (build_common_builtin_nodes): Declare
4964 __builtin_init_heap_trampoline.
4965
4966 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
4967
4968 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4969 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4970 * config/avr/avr.c: Ditto.
4971 (avr_regnames): Remove because unused.
4972 * config/avr/avr.md (*cpse.ne): New peephole.
4973 (*cpse.eq): New peephole from former cpse peepholes.
4974
4975 2012-01-27 Michael Eager <eager@eagercon.com>
4976
4977 * config/microblaze.c (microblaze_emit_compare): Correct
4978 test after pcmp instruction.
4979
4980 2012-01-27 Richard Guenther <rguenther@suse.de>
4981
4982 PR tree-optimization/52020
4983 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4984
4985 2012-01-27 Richard Guenther <rguenther@suse.de>
4986
4987 * ipa-pure-const.c (check_stmt): Clobbers do not make a
4988 function non-const/pure.
4989
4990 2012-01-27 Richard Guenther <rguenther@suse.de>
4991
4992 PR tree-optimization/50444
4993 * tree-sra.c (build_ref_for_offset): Properly adjust the
4994 MEM_REF type for unaligned accesses.
4995
4996 2012-01-27 Richard Guenther <rguenther@suse.de>
4997
4998 PR tree-optimization/50444
4999 * expr.c (mem_ref_refers_to_non_mem_p): New function.
5000 (expand_assignment): Use it. Properly handle misaligned
5001 bases when expanding stores to component references.
5002 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
5003 refactor that case.
5004
5005 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
5006
5007 PR middle-end/51389
5008 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
5009 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
5010 * tree-data-ref.c (find_data_references_in_loop): Make static.
5011 (compute_all_dependences): Change return type to bool. Bail out
5012 for too many datarefs in a loop. Move the hunk resetting the data
5013 dependences vector from ...
5014 (compute_data_dependences_for_loop): ... here. Account for
5015 compute_all_dependences returning false.
5016 (compute_data_dependences_for_bb): Likewise.
5017 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
5018 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
5019
5020 2012-01-27 Richard Guenther <rguenther@suse.de>
5021
5022 PR middle-end/51959
5023 * expr.c (store_field): Use the alias-set of the scratch memory
5024 for storing to it.
5025
5026 2012-01-27 Tom de Vries <tom@codesourcery.com>
5027
5028 PR tree-optimization/51990
5029 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5030 WITH_SIZE_EXPR.
5031 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
5032
5033 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5034
5035 PR debug/52001
5036 * var-tracking.c (reverse_op): Don't add any reverse operation
5037 if V already has any constant locations.
5038
5039 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5040
5041 * doc/invoke.texi: Correct usage of "command line" (noun)
5042 vs "command-line" (adjective) throughout.
5043
5044 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5045
5046 * doc/invoke.texi (Language Independent Options): Move
5047 -Wcoverage-mismatch blurb from here....
5048 (Warning Options): ...to here.
5049
5050 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5051
5052 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5053 Set rs6000_always_hint to false for 476.
5054
5055 2012-01-27 Matthias Klose <doko@ubuntu.com>
5056
5057 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5058 system root.
5059 * incpath.c (add_standard_paths): Likewise.
5060
5061 2012-01-27 Richard Henderson <rth@redhat.com>
5062
5063 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5064 * config/m68k/sync.md (atomic_test_and_set): Rename from
5065 sync_test_and_setqi and adjust the operands.
5066 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5067 and unconditionally enable.
5068
5069 2012-01-27 Richard Henderson <rth@redhat.com>
5070
5071 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5072 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5073 (ldstub): Rename from ldstubqi.
5074 (ldstub<I24MODE>): Remove.
5075
5076 2012-01-27 Richard Henderson <rth@redhat.com>
5077
5078 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5079 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5080 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5081 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5082 * doc/tm.texi: Rebuild.
5083
5084 2012-01-27 Richard Henderson <rth@redhat.com>
5085
5086 * optabs.c (gen_atomic_test_and_set): Remove default.
5087 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5088
5089 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5090
5091 PR rtl-optimization/51978
5092 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5093 (combine_reaching_defs): Likewise.
5094 (struct re_info): Remove.
5095 (add_removable_extension): Remove x and data arguments,
5096 add insn, insn_list and def_map. Use the arguments directly
5097 instead of using struct re_info.
5098 (find_removable_extensions): Don't call add_removable_extension
5099 through note_stores, instead just call it with single_set
5100 result if non-NULL.
5101 (find_and_remove_re): Pass curr_cand->expr instead of
5102 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5103
5104 2012-01-26 Michael Matz <matz@suse.de>
5105
5106 PR tree-optimization/46590
5107 * cfgexpand.c: Revert last change (r183305).
5108 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5109 regs.
5110 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5111 checking for emptiness.
5112
5113 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5114
5115 PR middle-end/51895
5116 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5117 non-addressable non-BLKmode base correctly.
5118
5119 2012-01-26 Michael Matz <matz@suse.de>
5120
5121 PR tree-optimization/48794
5122 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5123 regions referenced from RESX/EH_DISPATCH.
5124
5125 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5126
5127 * config/s390/s390.h: Make BRANCH_COST an option.
5128 * config/s390/s390.opt: New option -mbranch-cost.
5129
5130 2012-01-26 Richard Henderson <rth@redhat.com>
5131
5132 Revert 2012-01-24 change:
5133 * trans-mem.c (requires_barrier): Do not instrument thread local
5134 variables and emit save/restore for them.
5135
5136 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5137
5138 PR middle-end/51986
5139 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5140 for pat == 0.
5141
5142 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5143
5144 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5145 ASM_OPERANDS.
5146
5147 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5148
5149 PR target/49868
5150 Rename __pgm to __flash.
5151 Rename __pgm1 to __flash1.
5152 Rename __pgm2 to __flash2.
5153 Rename __pgm3 to __flash3.
5154 Rename __pgm4 to __flash4.
5155 Rename __pgm5 to __flash5.
5156 Rename __pgmx to __memx.
5157 * doc/extend.texi (AVR Named Address Spaces)
5158 Rename address space names as indicated above.
5159 * config/avr/avr.c (avr_addrspace): Ditto.
5160
5161 * config/avr/avr-protos.h
5162 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5163 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5164 * config/avr/predicates.md: Ditto.
5165 * config/avr/avr.c Ditto, and
5166 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5167 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5168
5169 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5170 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5171 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5172 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5173 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5174 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5175 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5176 * config/avr/avr.c: Ditto.
5177 * config/avr/avr.md: Ditto.
5178
5179 2012-01-25 Jason Merrill <jason@redhat.com>
5180
5181 PR c++/51992
5182 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5183
5184 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5185
5186 PR tree-optimization/51987
5187 * tree-data-ref.c (get_references_in_stmt): Handle references in
5188 non-volatile GIMPLE_ASM.
5189
5190 2012-01-25 Richard Guenther <rguenther@suse.de>
5191
5192 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5193 bases are dereferenced.
5194
5195 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5196
5197 PR rtl-optimization/48374
5198 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5199
5200 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5201
5202 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5203 compute_data_dependences_for_loop returns false.
5204 * tree-parloops.c (loop_parallel_p): Likewise.
5205
5206 2012-01-25 Richard Guenther <rguenther@suse.de>
5207
5208 * tree.h (get_pointer_alignment_1): Declare.
5209 * builtins.c (get_pointer_alignment_1): New function.
5210 (get_pointer_alignment): Use it.
5211
5212 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5213
5214 PR rtl-optimization/48308
5215 * combine.c (enum undo_kind): Add UNDO_LINKS.
5216 (struct undo): Add member l to other_contents and where.
5217 (do_SUBST_LINK): New.
5218 (SUBST_LINK): New.
5219 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5220 (undo_all): Handle UNDO_LINKS.
5221
5222 2012-01-25 Richard Henderson <rth@redhat.com>
5223
5224 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5225 mem inputs.
5226
5227 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5228
5229 * optabs.c (gen_atomic_test_and_set): Use each argument.
5230
5231 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5232
5233 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5234 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5235 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5236 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5237 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5238 TARGET_PAIRED_SINGLE_FLOAT.
5239
5240 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5241
5242 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5243 (in_struct, return_val): Remove MEM documentation.
5244 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5245 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5246 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5247 and MEM_SCALAR.
5248 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5249 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5250 * expr.c (store_field): Likewise.
5251 * function.c (assign_stack_temp_for_type): Likewise.
5252 * ifcvt.c (noce_try_cmove_arith): Likewise.
5253 * reload1.c (reload): Likewise.
5254 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5255 (alpha_set_memflags): Likewise.
5256 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5257
5258 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5259
5260 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5261 parameter.
5262 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5263 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5264 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5265 varies parameter.
5266 * cselib.c (cselib_rtx_varies_p): Delete.
5267 (cselib_invalidate_mem): Update call to canon_true_dependence.
5268 * dse.c (record_store, check_mem_read_rtx): Likewise.
5269 (scan_reads_nospill): Likewise.
5270 * cse.c (check_dependence): Likewise.
5271 (cse_rtx_varies_p): Delete.
5272 * expr.c (safe_from_p): Update call to true_dependence.
5273 * ira.c (validate_equiv_mem_from_store): Likewise.
5274 (memref_referenced_p): Likewise.
5275 * postreload-gcse.c (find_mem_conflicts): Likewise.
5276 * sched-deps.c (sched_analyze_2): Likewise.
5277 * store-motion.c (load_kills_store): Likewise.
5278 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5279 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5280 (compute_transp): Update call to canon_true_dependence.
5281
5282 2012-01-25 Richard Henderson <rth@redhat.com>
5283
5284 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5285 (maybe_emit_atomic_test_and_set): New.
5286 (expand_sync_lock_test_and_set): Use it.
5287 (expand_atomic_test_and_set): Likewise.
5288 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5289 the implementation; clarify implementation defined details.
5290 * doc/md.texi (atomic_test_and_set): Document.
5291
5292 2012-01-25 Richard Henderson <rth@redhat.com>
5293
5294 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5295
5296 2012-01-25 Richard Henderson <rth@redhat.com>
5297
5298 PR target/51968
5299 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5300 to effect no-op split.
5301
5302 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5303
5304 PR lto/51698
5305 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5306 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5307 (BT_FN_VOID_PTR_INT_SIZE): New.
5308 (BT_FN_UINT_UINT_VAR): Remove.
5309 (BT_FN_UINT32_UINT32_VAR): New.
5310 (BT_FN_DOUBLE_VPTR): Remove.
5311 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5312
5313 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5314 (_ITM_changeTransactionMode): Same.
5315 (_ITM_memmoveRtWt): Change return type to void.
5316 (_ITM_memcpyRtWt): Same.
5317 (_ITM_memsetW): Same.
5318 (_ITM_RaRD): Change types to double.
5319 (_ITM_RD): Same.
5320 (_ITM_RaWD): Same.
5321 (_ITM_RfWD): Same.
5322
5323 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5324
5325 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5326 Patrick Marlier <patrick.marlier@gmail.com>
5327
5328 * trans-mem.c (requires_barrier): Do not instrument thread local
5329 variables and emit save/restore for them.
5330
5331 2012-01-24 Jason Merrill <jason@redhat.com>
5332
5333 PR c++/51812
5334 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5335 output static aliases.
5336
5337 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5338
5339 PR driver/47249
5340 * common.opt (-pie, -shared, pie, shared): Change from Common to
5341 Driver.
5342 * gcc.c (display_help): Display help for -pie and -shared.
5343
5344 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5345
5346 PR target/49868
5347 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5348 Remove note on size/offset limitation.
5349 (AVR Variable Attributes): Add example how to read data located
5350 with progmem. Refer to named address spaces.
5351 * doc/invoke.texi (AVR Options): Fix typo.
5352
5353 2012-01-24 Richard Guenther <rguenther@suse.de>
5354
5355 Forward-port to trunk
5356 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5357
5358 PR middle-end/45678
5359 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5360 op0 isn't sufficiently aligned and there is movmisalignM
5361 insn for mode, use it to load op0 into a temporary register.
5362
5363 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5364
5365 PR target/51957
5366 * target.def (const_not_ok_for_debug_p): New hook.
5367 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5368 documentation.
5369 * doc/tm.texi: Regenerated.
5370 * dwarf2out.c (const_ok_for_output_1): If
5371 targetm.const_not_ok_for_debug_p returns true, fail.
5372 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5373 function.
5374 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5375
5376 2012-01-23 Kai Tietz <ktietz@redhat.com>
5377
5378 PR target/51900
5379 * config/i386/predicates.md (symbolic_operand): Allow
5380 UNSPEC_PCREL as PIC expression for lea.
5381 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5382 * config/i386/i386.c (ix86_delegitimize_address): Handle
5383 UNSPEC_PCREL for none-MEM, too.
5384
5385 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5386
5387 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5388 (ipa_tm_create_version_alias): Same.
5389
5390 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5391
5392 PR libitm/51830
5393 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5394 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5395
5396 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5397 Patrick Marlier <patrick.marlier@gmail.com>
5398 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5399
5400 PR lto/51916
5401 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5402 simple_object_start_read.
5403
5404 2012-01-23 Richard Guenther <rguenther@suse.de>
5405
5406
5407 PR tree-optimization/51895
5408 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5409 parameter decomposition into BLKmode components.
5410
5411 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5412
5413 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5414 fake variables for restrict-qualified pointers whose pointed-to type
5415 contains a placeholder.
5416
5417 2012-01-23 Richard Guenther <rguenther@suse.de>
5418
5419 PR tree-optimization/51949
5420 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5421
5422 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5423
5424 PR rtl-optimization/51933
5425 * ree.c (transform_ifelse): Return true right away if dstreg is
5426 already wider or equal to cand->mode.
5427 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5428 (make_defs_and_copies_lists): Remove defs_list and copies_list
5429 arguments, add state argument, just truncate state->work_list
5430 instead of always allocating and freeing the vector. Assert that
5431 get_defs succeeds instead of returning 2. Changed return type to bool.
5432 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5433 have ext_src_mode, see if it has been modified already with the
5434 right kind of extension and has been extended before from the
5435 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5436 just return true. Remember the original mode in state->modified array.
5437 (combine_reaching_defs): Add state argument. Don't allocate and
5438 free here def_list, copied_list and vec vectors, instead just
5439 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5440 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5441 Add state variable, clear vectors in it, initialize state.modified
5442 if needed. Free all the vectors at the end and state.modified too.
5443 Don't skip a candidate if the extension expression has been modified.
5444
5445 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5446
5447 PR target/47096
5448 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5449 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5450 (extra_options) interix.opt -> i386/interix.opt"
5451 (extra_objs):Add winnt-stubs.o
5452 * configure.ac: Add interix to target_os .comm on PE check.
5453 * configure: Regenerate.
5454 * config/interix3.h: Delete and move bits to..
5455 * config/interix.h: Delete and move bits to..
5456 * config/i386/i386-interix3.h: Delete and move bits to..
5457 * config/i386/i386-interix.h: ..here.
5458 (TARGET_CPU_DEFAULT): Remove redefinition.
5459 (TARGET_ASM_CONSTRUCTOR): Undefine.
5460 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5461 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5462 (PTRDIFF_TYPE): Define.
5463 (LONG_DOUBLE_TYPE_SIZE): Define.
5464 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5465 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5466 (TARGET_SECTION_TYPE_FLAGS): Define.
5467 (ASM_DECLARE_FUNCTION_NAME): Define.
5468 (ASM_OUTPUT_EXTERNAL): Define.
5469 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5470 (ASM_OUTPUT_ALIGNED_BSS): Define.
5471 (PCC_BITFIELD_TYPE_MATTERS): Define.
5472 (USE_CONST_SECTION): Define.
5473 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5474 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5475 (SUPPORTS_ONE_ONLY): Remove.
5476 (I386_PE_STRIP_ENCODING): Define.
5477 * config/interix.opt: Delete and move bits to..
5478 * config/i386/interix.opt: ..here. New.
5479 (mpe-aligned-commons): Add.
5480 * config/i386/t-interix: Add copyright header.
5481 (winnt-stubs.o): Add rule.
5482
5483 2012-01-22 Jason Merrill <jason@redhat.com>
5484
5485 PR c++/51832
5486 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5487 for extra name aliases.
5488
5489 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5490
5491 PR rtl-optimization/51924
5492 * ree.c (combine_set_extension): Improve debugging message.
5493 (combine_reaching_defs): Likewise.
5494 (get_defs): Rename confusingly named variable.
5495 (find_and_remove_re): Skip a candidate if the extension expression has
5496 been modified.
5497
5498 2012-01-21 Robert Millan <rmh@gnu.org>
5499 Gerald Pfeifer <gerald@pfeifer.com>
5500
5501 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5502 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5503
5504 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5505
5506 PR tree-optimization/51914
5507 * tree-vect-stmts.c (vectorizable_conversion): For
5508 cvt_type && modifier == WIDEN, put temporary with cvt_type
5509 at the beginning of vec_dsts and set vec_dest to temporary
5510 with vectype_out.
5511
5512 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5513
5514 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5515
5516 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5517
5518 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5519 * config/rs6000/rs6000.c: Likewise.
5520
5521 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5522
5523 PR target/51915
5524 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5525 output_move_double on a copy of operands array.
5526
5527 2012-01-20 Cary Coutant <ccoutant@google.com>
5528 Dodji Seketeli <dodji@redhat.com>
5529
5530 PR debug/45682
5531 * dwarf2out.c (copy_declaration_context): Return ref to parent
5532 of declaration DIE, if necessary.
5533 (remove_child_or_replace_with_skeleton): Add new parameter; update
5534 caller. Place skeleton DIE under parent DIE of original declaration.
5535 Move call to copy_declaration_context to here ...
5536 (break_out_comdat_types): ... from here.
5537
5538 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5539
5540 PR rtl-optimization/51856
5541 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5542 flag to reloaded.
5543
5544 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5545
5546 PR target/51819
5547 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5548 hints for neon loads and stores.
5549
5550 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5551
5552 PR target/49868
5553 PR target/50887
5554 * doc/extend.texi (Named Address Spaces): Split into subsections.
5555 (AVR Named Address Spaces): New subsection.
5556 (M32C Named Address Spaces): New subsection.
5557 (RL78 Named Address Spaces): New subsection.
5558 (SPU Named Address Spaces): New subsection.
5559 (Variable Attributes): New anchor "AVR Variable Attributes".
5560 (AVR Variable Attributes): Rewrite and avoid wording
5561 "address space" in this context.
5562 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5563 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5564 (AVR Built-in Macros): New subsubsection therein.
5565 * doc/md.texi (AVR constraints): Remove "C04", "R".
5566
5567 2012-01-20 Richard Guenther <rguenther@suse.de>
5568
5569 PR tree-optimization/51903
5570 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5571 when removing stmts.
5572
5573 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5574
5575 PR target/50313
5576 * config/arm/arm.c (arm_load_pic_register): Use
5577 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5578 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5579 (arm_pic_static_addr): Likewise.
5580 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5581 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5582 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5583 (pic_load_addr_unified): New.
5584
5585 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5586
5587 PR target/51106
5588 * function.c (instantiate_virtual_regs_in_insn): Use
5589 delete_insn_and_edges when removing a wrong asm insn.
5590
5591 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5592
5593 PR rtl-optimization/40761
5594 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5595 Add new member loop_num.
5596 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5597 (ira_build): Remove the parameter.
5598
5599 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5600 (ira.c): Do not build CFG loops for one region allocation. Remove
5601 argument from ira_build call.
5602
5603 * ira-build.c (init_loop_tree_node): New function.
5604 (create_loop_tree_nodes): Use it. Separate the case when CFG
5605 loops are not built.
5606 (more_one_region_p): Check current_loops.
5607 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5608 built.
5609 (add_loop_to_tree): Process loop equal to NULL too.
5610 (form_loop_tree): Separate the case when CFG loops are not built.
5611 Use explicitly number for the root.
5612 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5613 an assertion.
5614 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5615 instead of loop->num.
5616 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5617 (mark_all_loops_for_removal): Ditto.
5618 (remove_unnecessary_regions): Separate the case when CFG loops
5619 are not built.
5620 (ira_build): Remove the parameter. Use explicit number of regions
5621 when CFG loops are not built.
5622
5623 * ira-color.c (print_loop_title): Separate the case for the root node.
5624 Use loop_num instead of loop->num.
5625 (move_spill_restore): Use loop_num instead of loop->num.
5626
5627 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5628 (change_loop): Ditto.
5629 (change_loop): Use loop_num instead of loop->num.
5630
5631 * ira-lives.c (process_bb_node_lives): Ditto.
5632
5633 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5634
5635 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5636
5637 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5638
5639 PR libmudflap/40778
5640 * tree-mudflap.c (mf_artificial): New function.
5641 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5642 mx_register_decls, mudflap_enqueue_decl): Use it.
5643
5644 PR target/51876
5645 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5646 numbers in the insn pattern.
5647
5648 2012-01-19 Michael Matz <matz@suse.de>
5649
5650 PR tree-optimization/46590
5651 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5652 use it in remembering which conflicts we already created.
5653 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5654 bitmap.
5655
5656 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5657
5658 PR lto/51280
5659 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5660 (merge_and_complain): Same.
5661
5662 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5663
5664 PR bootstrap/50237
5665 * config/initfini-array.h: Guard content of the header
5666 with #ifdef HAVE_INITFINI_ARRAY.
5667 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5668 Add initfini-array.h to tm_file here.
5669 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5670 * config.gcc: Don't add initfini-array.h to tm_file here.
5671 * configure: Regenerated.
5672
5673 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5674
5675 PR rtl-optimization/51505
5676 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5677 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5678 (df_note_bb_compute): Update the call to df_kill_notes.
5679
5680 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5681
5682 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5683
5684 2012-01-18 Richard Guenther <rguenther@suse.de>
5685
5686 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5687 of conversions to void *.
5688
5689 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5690 Richard Sandiford <rdsandiford@googlemail.com>
5691
5692 PR middle-end/50325
5693 PR middle-end/51192
5694 * optabs.h (simplify_expand_binop): Declare.
5695 * optabs.c (simplify_expand_binop): Make global.
5696 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5697 endian targets if the source cannot be exactly covered by word
5698 mode chunks.
5699
5700 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5701
5702 PR bootstrap/51872
5703 * hard-reg-set.h (struct hard_reg_set_container): New type.
5704 * target.h (struct hard_reg_set_container): Forward declare.
5705 * target.def (set_up_by_prologue): New target hook.
5706 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5707 * doc/tm.texi: Regenerated.
5708 * function.c (thread_prologue_and_epilogue_insns): Change
5709 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5710 Call targetm.set_up_by_prologue on it.
5711 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5712 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5713
5714 2012-01-17 Nick Clifton <nickc@redhat.com>
5715
5716 * config/rx/rx.c (rx_can_use_simple_return): New function.
5717 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5718 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5719
5720 2012-01-17 Richard Guenther <rguenther@suse.de>
5721
5722 PR middle-end/51782
5723 * expr.c (expand_assignment): Take address-space information
5724 from the address operand of MEM_REF and TARGET_MEM_REF.
5725 (expand_expr_real_1): Likewise.
5726
5727 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5728
5729 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5730 reload dump is requested.
5731
5732 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5733
5734 PR other/51165
5735 * trans-mem.c (requires_barrier): Call may_be_aliased.
5736
5737 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5738
5739 PR tree-optimization/51877
5740 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5741 call arguments and fndecls compare equal, instead return false if they
5742 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5743 both SSA_NAMEs that are valueized the same, or they satisfy
5744 operand_equal_p.
5745
5746 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5747
5748 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5749 Solaris 11+.
5750 * configure: Regenerate.
5751
5752 2012-01-16 Jan Hubicka <jh@suse.cz>
5753
5754 PR c/12245
5755 PR c++/14179
5756 * convert.c (convert_to_integer): Use fold_convert for
5757 converting an INTEGER_CST to integer type.
5758
5759 2012-01-16 Jason Merrill <jason@redhat.com>
5760
5761 PR c++/14179
5762 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5763
5764 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5765
5766 PR bootstrap/51860
5767 * config/s390/s390.c (s390_chunkify_start): Don't skip
5768 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5769 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5770 If insn is followed by NOTE_INSN_VAR_LOCATION or
5771 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5772 Don't use location of note insns.
5773
5774 PR tree-optimization/51865
5775 * tree-inline.c (tree_function_versioning): Call remap_decl
5776 on DECL_RESULT whenever it has VOID_TYPE_P type.
5777
5778 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5779
5780 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5781 for calls to locally-binding MIPS16 functions if only the return
5782 type uses float regs.
5783
5784 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5785 Richard Sandiford <rdsandiford@googlemail.com>
5786
5787 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5788 (SYMBOL_32_HIGH): Likewise.
5789 (mips_output_tls_reloc_directive): Declare.
5790 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5791 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5792 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5793 (mips_lo_relocs, mips_hi_relocs): Make extern.
5794 (mips16_stub_function): Move up file.
5795 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5796 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5797 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5798 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5799 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5800 (mips_get_tp): Add MIPS16 support.
5801 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5802 Generalize DTPREL and TPREL handling.
5803 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5804 Add MIPS16 TLS support.
5805 (mips_output_tls_reloc_directive): New function.
5806 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5807 * config/mips/predicates.md (symbolic_operand_with_high)
5808 (tls_reloc_operand): New predicates.
5809 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5810 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5811 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5812 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
5813 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5814 (*tls_get_tp_mips16_call_<mode>): Likewise.
5815
5816 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
5817
5818 PR rtl-optimization/51821
5819 * recog.c (peep2_find_free_register): Determine clobbered registers
5820 from insn pattern.
5821
5822 2012-01-14 Denis Chertykov <chertykov@gmail.com>
5823
5824 PR target/50925
5825 * config/avr/avr-protos.h: Revert change of 2012-01-09.
5826 * config/avr/avr.c: Likewise.
5827 * config/avr/avr.h: Likewise.
5828
5829 2012-01-13 Ian Lance Taylor <iant@google.com>
5830
5831 PR c++/50012
5832 * tree.h (TYPE_QUALS): Add cast to int.
5833 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5834
5835 2012-01-13 Ian Lance Taylor <iant@google.com>
5836
5837 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5838 comparing param_index to VEC_length result.
5839
5840 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
5841
5842 * c-decl.c: Do not include tree-mudflap.h
5843 * tree-optimize.c: Likewise.
5844 * Makefile.in: Update dependencies.
5845
5846 2012-01-13 Richard Guenther <rguenther@suse.de>
5847
5848 PR middle-end/8081
5849 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5850 variable-sized result always use RSO.
5851
5852 2012-01-12 DJ Delorie <dj@redhat.com>
5853
5854 * cfgexpand.c (convert_debug_memory_address): Allow any valid
5855 pointer type, not just the default pointer type.
5856
5857 2012-01-09 Richard Henderson <rth@redhat.com>
5858 Denis Chertykov <chertykov@gmail.com>
5859
5860 PR target/50925
5861 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5862 * config/avr/avr.c (avr_can_eliminate): Simplify.
5863 (avr_initial_elimination_offset): Likewise.
5864 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5865 (expand_epilogue): Likewise.
5866 (avr_legitimize_address): Gut.
5867 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5868 (avr_hard_regno_nregs): New.
5869 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5870 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5871 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5872 add soft frame pointer.
5873 (CALL_USED_REGISTERS): Likewise.
5874 (REG_CLASS_CONTENTS): Likewise.
5875 (REGISTER_NAMES): Likewise.
5876 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5877 (HARD_FRAME_POINTER_REGNUM): New.
5878 (FRAME_POINTER_REGNUM): Use soft frame pointer.
5879 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5880 remove the HARD_FRAME_POINTER self-elimination.
5881
5882 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
5883
5884 PR target/51756
5885 * config/avr/avr.c (avr_encode_section_info): Test for absence of
5886 DECL_EXTERNAL when checking for initializers of progmem variables.
5887
5888 2012-01-12 Ira Rosen <irar@il.ibm.com>
5889
5890 PR tree-optimization/51799
5891 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5892 that the last operation is a type demotion.
5893
5894 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
5895
5896 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5897 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5898
5899 2012-01-11 Jakub Jelinek <jakub@redhat.com>
5900
5901 PR bootstrap/51796
5902 * combine.c (distribute_notes): If i3 is a noreturn call,
5903 allow old_size to be equal to args_size and make sure the
5904 noreturn call gets REG_ARGS_SIZE note.
5905 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5906 on noreturn calls even when the delta is 0.
5907
5908 2012-01-11 Nathan Sidwell <nathan@acm.org>
5909
5910 * gcov.c (STRING_SIZE): Remove.
5911 (generate_results): Erase annotations for source files with no
5912 coverage information.
5913 (read_line): New.
5914 (output_lines): Use it.
5915
5916 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5917
5918 * gimple.h (gimplify_body): Remove first argument.
5919 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
5920 pointer set here, instead just pass DATA to walk_tree.
5921 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
5922 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5923 (unvisit_body): Likewise, but with unmark_visited.
5924 (gimplify_body): Remove BODY_P argument and adjust.
5925 (gimplify_function_tree): Adjust call to gimplify_body.
5926 * omp-low.c (finalize_task_copyfn): Likewise.
5927
5928 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
5929
5930 * tree.h (build_function_decl_skip_args): Add boolean parameter.
5931 (build_function_type_skip_args): Delete.
5932 * tree.c (build_function_type_skip_args): Make static and add
5933 SKIP_RETURN parameter. Fix thinko in the handling of variants.
5934 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5935 pass it to build_function_type_skip_args.
5936 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5937 (tree_function_versioning): Likewise.
5938 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5939 build_function_decl_skip_args.
5940 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5941 and pass it to build_function_decl_skip_args/tree_function_versioning.
5942 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5943 * ipa-inline-transform.c (save_inline_function_body): Likewise.
5944 * trans-mem.c (ipa_tm_create_version): Likewise.
5945 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5946 * tree-inline.c (declare_return_variable): Remove always-true test.
5947 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
5948 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5949 * ipa-split.c (split_function): Skip the return value for the split
5950 part if it doesn't return.
5951
5952 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
5953
5954 PR tree-optimization/49642
5955 * ipa-split.c (forbidden_dominators): New variable.
5956 (check_forbidden_calls): New function.
5957 (dominated_by_forbidden): Likewise.
5958 (consider_split): Check for forbidden dominators.
5959 (execute_split_functions): Initialize and free forbidden
5960 dominators info; call check_forbidden_calls.
5961
5962 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5963
5964 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5965
5966 2012-01-11 Nick Clifton <nickc@redhat.com>
5967
5968 * config/rx/rx.md (return): Define pattern.
5969
5970 2012-01-11 Richard Guenther <rguenther@suse.de>
5971
5972 * doc/extend.texi (malloc attribute): Adjust according to
5973 implementation.
5974
5975 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
5976 Patrick Marlier <patrick.marlier@gmail.com>
5977
5978 PR middle-end/51516
5979 * trans-mem.c (get_cg_data): Traverse aliases if requested.
5980 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5981 (ipa_tm_note_irrevocable): Same.
5982 (ipa_tm_scan_irr_block): Same.
5983 (ipa_tm_decrement_clone_counts): Same.
5984 (ipa_tm_scan_irr_function): Same.
5985 (ipa_tm_create_version_alias): Same.
5986 (ipa_tm_create_version): Same.
5987 (ipa_tm_transform_calls_redirect): Same.
5988 (ipa_tm_transform_calls): Same.
5989 (ipa_tm_transform_transaction): Same.
5990 (ipa_tm_execute): Same.
5991
5992 2012-01-10 Richard Guenther <rguenther@suse.de>
5993
5994 PR middle-end/51806
5995 * opts.c (common_handle_option): Handle -Werror.
5996
5997 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
5998
5999 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
6000 operand number.
6001
6002 2012-01-10 Jason Merrill <jason@redhat.com>
6003
6004 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
6005 information.
6006
6007 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6008
6009 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
6010 supports R_386_TLS_GD_PLT reloc.
6011 (gcc_cv_as_ix86_tlsldmplt): Check if linker
6012 supports R_386_TLS_LDM_PLT reloc.
6013 * configure: Regenerate.
6014 * config.in: Regenerate.
6015
6016 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
6017
6018 PR target/49868
6019 Extend __pgmx semantics to linearize memory.
6020 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
6021 determine if code comes inline or from libgcc.
6022 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
6023 (movmem_qi, movmem_qi): Set constraint #2 to "n".
6024 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
6025 (movmemx_qi, movmemx_hi): New insns.
6026 (xload_<mode>_libgcc): Rewrite to new insn condition.
6027 (xload_<mode>): Remove insns.
6028 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
6029 cases that don't satisfy avr_xload_libgcc_p().
6030 (avr_addr_space_convert): Allow converting in any direction.
6031 (avr_addr_space_subset_p): Return always true.
6032 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
6033 (avr_emit_movmemhi): Ditto.
6034 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6035 (avr_out_movmem): Ditto.
6036 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6037 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6038 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6039 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6040 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6041
6042 2012-01-10 Richard Guenther <rguenther@suse.de>
6043
6044 PR tree-optimization/50913
6045 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6046 Require data-refs to be representable by Graphite with respect
6047 to any loop nest.
6048
6049 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6050
6051 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6052 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6053
6054 2012-01-10 Tom de Vries <tom@codesourcery.com>
6055
6056 PR rtl-optimization/51271
6057 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6058 handling annulled branch.
6059
6060 2012-01-10 Richard Henderson <rth@redhat.com>
6061
6062 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6063 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6064 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6065 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6066 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6067 arm_expand_vec_perm_const): New.
6068 * config/arm/arm-protos.h: Update.
6069 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6070 (*neon_vswp<VDQX>): New.
6071 (neon_vcombine<VDX>): Use neon_split_vcombine.
6072 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6073 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6074 (vec_perm<VE>): New.
6075
6076 2012-01-10 Richard Henderson <rth@redhat.com>
6077
6078 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6079 use it if reload_completed.
6080 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6081 arm_output_asm_insn, arm_process_output_memory_barrier,
6082 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6083 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6084 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6085 arm_process_output_sync_insn, arm_output_sync_insn,
6086 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6087 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6088 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6089 (emit_unlikely_jump): New.
6090 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6091 (arm_split_atomic_op): New.
6092 * config/arm/arm-protos.h: Update.
6093 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6094 (struct arm_sync_generator): Remove.
6095 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6096 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6097 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6098 (VUNSPEC_LL, VUNSPEC_SC): New.
6099 (sync_result, sync_memory, sync_required_value, sync_new_value,
6100 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6101 (attr length): Don't use arm_sync_loop_insns.
6102 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6103 (movsfcc, movdfcc): Likewise.
6104 * config/arm/constraints.md (Ua): New.
6105 * config/arm/prediates.md (mem_noofs_operand): New.
6106 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6107 (sync_clobber, sync_t2_reqd): Remove.
6108 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6109 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6110 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6111 (arm_sync_compare_and_swap<SIDI>): Remove.
6112 (arm_sync_compare_and_swap<NARROW>): Remove.
6113 (arm_sync_lock_test_and_set<SIDI>): Remove.
6114 (arm_sync_lock_test_and_set<NARROW>): Remove.
6115 (arm_sync_new_<syncop><SIDI>): Remove.
6116 (arm_sync_new_<syncop><NARROW>): Remove.
6117 (arm_sync_new_nand<SIDI>): Remove.
6118 (arm_sync_new_nand<NARROW>): Remove.
6119 (arm_sync_old_<syncop><SIDI>): Remove.
6120 (arm_sync_old_<syncop><NARROW>): Remove.
6121 (arm_sync_old_nand<SIDI>): Remove.
6122 (arm_sync_old_nand<NARROW>): Remove.
6123 (*memory_barrier): Merge arm_output_memory_barrier.
6124 (atomic_compare_and_swap<QHSD>): New.
6125 (atomic_compare_and_swap<NARROW>_1): New.
6126 (atomic_compare_and_swap<SIDI>_1): New.
6127 (atomic_exchange<QHSD>): New.
6128 (cas_cmp_operand, cas_cmp_str): New.
6129 (atomic_op_operand, atomic_op_str): New.
6130 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6131 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6132 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6133 (arm_load_exclusive<NARROW>): New.
6134 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6135 (arm_store_exclusive<QHSD>): New.
6136
6137 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6138
6139 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6140 reload patterns if -mvsx-scalar-memory.
6141
6142 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6143 generated, even -mno-vsx-scalar-double was used.
6144 (vsx_xscvdpsp_scalar): Likewise.
6145 (vsx_xscvspdp_scalar2): Likewise.
6146
6147 2012-01-09 Tom de Vries <tom@codesourcery.com>
6148 Andrew Pinski <apinski@cavium.com>
6149
6150 PR debug/51471
6151 * reorg.c (fill_slots_from_thread): Don't speculate
6152 frame-related insns.
6153
6154 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6155
6156 * sched-int.h (bb_note): Move to...
6157 * basic-block.h: ...here.
6158 * haifa-sched.c (bb_note): Move to...
6159 * cfgrtl.c: ...here.
6160 * function.c (next_block_for_reg): New function.
6161 (move_insn_for_shrink_wrap): Likewise.
6162 (prepare_shrink_wrap): Rewrite to use the above.
6163
6164 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6165
6166 * gimple.c (is_gimple_non_addressable): Remove.
6167 * gimple.h: Remove is_gimple_non_addressable.
6168 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6169 is_gimple_non_addressable.
6170 * trans-mem.c (expand_assign_tm): Same.
6171
6172 2012-01-09 Richard Guenther <rguenther@suse.de>
6173
6174 PR tree-optimization/51775
6175 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6176 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6177
6178 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6179
6180 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6181 tuning parameters.
6182 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6183
6184 2012-01-09 Richard Guenther <rguenther@suse.de>
6185
6186 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6187
6188 2012-01-08 Jan Hubicka <jh@suse.cz>
6189
6190 PR tree-optimize/51680
6191 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6192 on when known_vals needs to be computed; cleanup.
6193
6194 2012-01-08 Jan Hubicka <jh@suse.cz>
6195
6196 PR tree-optimize/51694
6197 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6198
6199 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6200
6201 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6202 for -std=c++98 and -std=c++11 too.
6203
6204 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6205
6206 * cfgloop.c (cancel_loop): Add free() of bbs array.
6207
6208 2012-01-07 Jan Hubicka <jh@suse.cz>
6209
6210 PR tree-optimization/51600
6211 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6212 that benefits small functions.
6213
6214 2012-01-07 Jan Hubicka <jh@suse.cz>
6215
6216 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6217
6218 2012-01-07 Jan Hubicka <jh@suse.cz>
6219
6220 PR tree-optimization/51680
6221 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6222 whose inlining reduce unit size.
6223
6224 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6225
6226 PR bootstrap/51725
6227 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6228 Add canonical node to containing_mem chain after the non-canonical
6229 one, even if there weren't any locs to propagate.
6230 (remove_useless_values): Keep only canonical values.
6231 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6232 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6233 canonicalize mem_chain elements that are not discarded.
6234
6235 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6236
6237 PR target/47333
6238 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6239 before emitting functions.
6240
6241 PR gcov-profile/50127
6242 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6243 clear_aux_for_blocks.
6244
6245 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6246
6247 PR debug/51746
6248 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6249
6250 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6251
6252 * c-decl.c (ext_block): Moved up.
6253 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6254
6255 2012-01-06 Han Shen <shenhan@google.com>
6256
6257 Translate built-in include paths for sysroot.
6258 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6259 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6260
6261 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6262 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6263
6264 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6265 control whether sysroot should be prepended to gxx include dir.
6266
6267 * configure: Regenerate.
6268
6269 2012-01-06 Torvald Riegel <triegel@redhat.com>
6270
6271 PR rtl-optimization/51771
6272 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6273 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6274
6275 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6276
6277 PR tree-optimization/51315
6278 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6279 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6280
6281 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6282
6283 PR target/51681
6284 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6285 for shrp pattern. Correctly handle and fixup shift variable.
6286 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6287
6288 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6289
6290 PR debug/51762
6291 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6292 note when !ACCUMULATE_OUTGOING_ARGS.
6293
6294 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6295
6296 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6297 condition.
6298 (extract_range_from_unary_expr_1): Avoid useless computations.
6299
6300 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6301
6302 PR rtl-optimization/51767
6303 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6304 of jump_block and add an extra edge for degenerated asm gotos.
6305
6306 PR middle-end/51768
6307 * stmt.c (check_unique_operand_names): Don't ICE during error
6308 reporting if i is from labels chain.
6309
6310 PR middle-end/44777
6311 * profile.c (branch_prob): Split bbs that have exit edge
6312 and need a fake entry edge too.
6313
6314 2012-01-05 Jan Hubicka <jh@suse.cz>
6315
6316 PR middle-end/49710
6317 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6318 unlooping loops.
6319
6320 2012-01-05 Richard Guenther <rguenther@suse.de>
6321
6322 PR lto/50490
6323 * tree-streamer-out.c (write_ts_optimization): New function.
6324 (streamer_write_tree_body): Call it.
6325 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6326 (streamer_read_tree_body): Call it.
6327 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6328
6329 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6330
6331 PR middle-end/51761
6332 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6333 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6334 in_cleanup_point_expr before gimplify_stmt call and restore it
6335 afterwards.
6336 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6337 in_cleanup_point_expr is false.
6338
6339 2012-01-05 Richard Guenther <rguenther@suse.de>
6340
6341 PR middle-end/51764
6342 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6343 to c.opt.
6344 * toplev.c (process_options): Reject combining mudflap and LTO.
6345 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6346
6347 2012-01-05 Richard Guenther <rguenther@suse.de>
6348
6349 PR tree-optimization/51760
6350 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6351 not VARYING.
6352 (bit_value_unop): Handle UNDEFINED operands.
6353 (bit_value_binop): Likewise.
6354
6355 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6356
6357 * config/avr/avr.c (avr_replace_prefix): Remove.
6358 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6359 (avr_asm_function_rodata_section): Ditto.
6360 (avr_asm_select_section): Ditto.
6361
6362 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6363
6364 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6365 insertion.
6366
6367 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6368
6369 PR bootstrap/51648
6370 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6371 calls that have any non-fake successor edges.
6372
6373 PR debug/51746
6374 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6375
6376 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6377
6378 PR tree-optimization/51624
6379 * tree-sra.c (build_ref_for_model): When replicating a chain of
6380 COMPONENT_REFs, stop as soon as the offset would become negative.
6381
6382 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6383
6384 PR debug/51695
6385 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6386 in .debug_loc on the floor.
6387
6388 2012-01-04 Andrew Pinski <apinski@cavium.com>
6389
6390 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6391
6392 2012-01-04 Andrew Pinski <apinski@cavium.com>
6393 Adam Nemet <anemet@caviumnetworks.com>
6394
6395 * config/mips/mips.md (size): Add SI and DI.
6396 (SIZE): New mode attribute.
6397 (U): New code attribute.
6398 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6399 (mips_lbux_<mode>): Delete.
6400 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6401 (mips_lhx): Use gen_mips_lhx_extsi.
6402 (mips_lhx_<mode>): Delete.
6403 (mips_lwx): Delete.
6404 (mips_l<size>x): New expand.
6405 (mips_lwx_<mode>): Delete.
6406 (mips_l<GPR:size>x_<P:mode>): New pattern.
6407 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6408 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6409 * config/mips/mips.c (mips_lx_address_p): New function.
6410 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6411 (dsp64): New availability predicate.
6412 (mips_builtins): Add an entry for __builtin_mips_ldx.
6413 * config/mips/mips.h (ISA_HAS_LBX): New define.
6414 (ISA_HAS_LBUX): Likewise.
6415 (ISA_HAS_LHX): Likewise.
6416 (ISA_HAS_LHUX): Likewise.
6417 (ISA_HAS_LWX): Likewise.
6418 (ISA_HAS_LWUX): Likewise.
6419 (ISA_HAS_LDX): Likewise.
6420 * doc/extend.texi (__builtin_mips_ldx): Document.
6421
6422 2012-01-04 Tristan Gingold <gingold@adacore.com>
6423
6424 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6425 when long pointers are used.
6426 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6427 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6428 (ia64-hp-*vms*): Remove.
6429 * config/vms/xm-vms64.h: Delete.
6430
6431 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6432
6433 PR middle-end/51472
6434 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6435
6436 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6437
6438 * opts.c (finish_options): Remove duplicate sorry.
6439
6440 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6441
6442 PR middle-end/51696
6443 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6444 correctly.
6445
6446 2012-01-04 Richard Guenther <rguenther@suse.de>
6447
6448 PR middle-end/51750
6449 * tree.c (size_low_cst): New function.
6450 * tree.h (size_low_cst): Declare.
6451 * fold-const.c (fold_comparison): Use it to extract the low
6452 part of the POINTER_PLUS_EXPR offset.
6453
6454 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6455
6456 Fix clearing ZERO_REG
6457 * config/avr/avr.md (cc): Add alternative "ldi".
6458 (movqi_insn): Use it in cc attribute.
6459 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6460 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6461 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6462
6463 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6464
6465 * configure: Regenerate.
6466
6467 2012-01-04 Richard Guenther <rguenther@suse.de>
6468
6469 PR tree-optimization/49651
6470 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6471 (var_can_have_subvars): Use it.
6472 (get_constraint_for_1): Only consider subfields if there can be any.
6473
6474 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6475
6476 PR bootstrap/51725
6477 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6478 to its new canonical_cselib_val and the cselib_val was in
6479 first_containing_mem chain, but the canonical_cselib_val was not,
6480 add the latter into the chain.
6481 (cselib_invalidate_mem): Compare canonical_cselib_val of
6482 addr_list chain elt with v.
6483
6484 PR pch/51722
6485 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6486 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6487 of xstrdup.
6488 (output_macinfo_op): Don't ggc_strdup fd->filename.
6489 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6490 then ggc_strdup it. Don't free inc->info or cur->info.
6491 (output_macinfo): Don't free ref->info or file->info.
6492
6493 2012-01-03 Ira Rosen <irar@il.ibm.com>
6494
6495 PR tree-optimization/51269
6496 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6497 first_niters a pointer.
6498 (slpeel_tree_peel_loop_to_edge): Likewise.
6499 (vect_do_peeling_for_loop_bound): Update call to
6500 slpeel_tree_peel_loop_to_edge.
6501 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6502 here. Remove it from the parameters list.
6503 (vect_do_peeling_for_alignment): Update calls and compute
6504 wide_prolog_niters.
6505
6506 2012-01-03 Richard Guenther <rguenther@suse.de>
6507
6508 PR tree-optimization/51070
6509 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6510 Properly handle calls.
6511
6512 2012-01-03 Richard Guenther <rguenther@suse.de>
6513
6514 PR tree-optimization/51692
6515 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6516 the LHS of allocation stmts.
6517
6518 2012-01-03 Olivier Hainque <hainque@adacore.com>
6519
6520 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6521
6522 2012-01-03 Olivier Hainque <hainque@adacore.com>
6523
6524 * collect2.c (main): In AIX specific computations for vector
6525 insertions, use CONST_CAST2 to cast from char ** to const char **.
6526
6527 2012-01-03 Richard Guenther <rguenther@suse.de>
6528
6529 PR debug/51650
6530 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6531 the context of a limbo DIE when it does not already exist.
6532
6533 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6534
6535 PR tree-optimization/51719
6536 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6537 but direct call is, clear direct call's lhs and don't add fallthrough
6538 edge from dcall_bb to join_bb and PHIs.
6539
6540 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6541
6542 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6543 the instructions emitted by the pattern.
6544 ("*TDC_insn_<mode>"): Add comment.
6545
6546 2012-01-03 Richard Guenther <rguenther@suse.de>
6547
6548 PR middle-end/51730
6549 * fold-const.c (fold_comparison): Properly canonicalize
6550 tree offset and HOST_WIDE_INT bit position.
6551
6552 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6553
6554 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6555 operands for extzv pattern.
6556
6557 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6558
6559 PR bootstrap/51725
6560 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6561 on mem_elt first.
6562
6563 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6564
6565 * doc/invoke.texi (-flto and related options): Copy-edit.
6566
6567 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6568
6569 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6570
6571 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6572
6573 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6574 New patterns.
6575
6576 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6577
6578 * expr.h (move_by_pieces_ninsns): Declare.
6579 * expr.c (move_by_pieces_ninsns): Make external.
6580 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6581 (mips_store_by_pieces_p): Likewise.
6582 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6583 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6584 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6585 (mips_store_by_pieces_p): Likewise.
6586
6587 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6588
6589 * passes.c (register_one_dump_file): Free full_name.
6590
6591 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6592 (calculate_elim_costs_all_insns): Free offsets_at and
6593 offsets_known_at at the end and clear the pointers.
6594
6595 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6596
6597 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6598 this option introduced in r180739.
6599
6600 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6601
6602 PR target/51345
6603 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6604 (tmake_file target=avr): Add avr/t-multilib.
6605
6606 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6607 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6608 * config/avr/genmultilib.awk: New file.
6609 * config/avr/t-multilib: New auto-generated file.
6610 * config/avr/multilib.h: New auto-generated file.
6611 * config/avr/t-avr (AVR_MCUS): New variable.
6612 (genopt.sh): Use it.
6613 (s-mlib): Depend on t-multilib.
6614 (t-multilib, multilib.h): New dependencies.
6615 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6616 (MULTILIB_OPTIONS): Remove.
6617 (MULTILIB_MATCHES): Remove.
6618 (MULTILIB_DIRNAMES): Remove.
6619 (MULTILIB_EXCEPTIONS): Remove:
6620 * config/avr/genopt.sh: Don't use hard coded file name;
6621 pass AVR_MCUS from t-avr instead.
6622
6623 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6624
6625 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6626
6627 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6628
6629 Implement light-weight DImode support.
6630 * config/avr/avr-dimode.md: New file.
6631 * config/avr/avr.md: Include it.
6632 (adjust_len): Add plus64, compare64.
6633 (HIDI): Remove code iterator.
6634 (code_stdname): New code attribute.
6635 (rotx, rotsmode): Remove DI.
6636 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6637 as code iterator.
6638 * config/avr/avr-protos.h (avr_have_dimode): New.
6639 (avr_out_plus64, avr_out_compare64): New.
6640 * config/avr/avr.c (avr_out_compare): Handle DImode.
6641 (avr_have_dimode): New variable definition and initialization.
6642 (avr_out_compare64, avr_out_plus64): New functions.
6643 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6644 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6645 (avr_compare_pattern): Skip DImode comparisons.
6646
6647 2012-01-02 Revital Eres <revital.eres@linaro.org>
6648
6649 * ddg.c (def_has_ccmode_p): New function.
6650 (add_cross_iteration_register_deps,
6651 create_ddg_dep_from_intra_loop_link): Call it.
6652
6653 2012-01-02 Richard Guenther <rguenther@suse.de>
6654
6655 PR other/51679
6656 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6657
6658 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6659
6660 * gcc.c (process_command): Update copyright notice dates.
6661 * gcov.c (print_version): Likewise.
6662 * gcov-dump.c (print_version): Likewise.
6663 * mips-tfile.c (main): Likewise.
6664 * mips-tdump.c (main): Likewise.
6665
6666 2012-01-01 Ira Rosen <irar@il.ibm.com>
6667
6668 PR tree-optimization/51704
6669 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6670 a use is inside the basic block or loop before accessing its vect info.
6671
6672 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6673
6674 PR rtl-optimization/51069
6675 * cfgloopmanip.c (remove_path): Removing path making irreducible
6676 region unconditional makes BB part of the region.
6677
6678 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6679
6680 PR tree-optimization/51683
6681 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6682 calls with side-effects.
6683 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6684 \f
6685 Copyright (C) 2012 Free Software Foundation, Inc.
6686
6687 Copying and distribution of this file, with or without modification,
6688 are permitted in any medium without royalty provided the copyright
6689 notice and this notice are preserved.