1 2008-01-25 Richard Guenther <rguenther@suse.de>
4 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5 to its bitfield precision if required.
7 2008-01-25 Jakub Jelinek <jakub@redhat.com>
10 * tree-nested.c (walk_omp_for): New function.
11 (convert_nonlocal_reference, convert_local_reference): Call
12 walk_omp_for on OMP_FOR.
13 (convert_call_expr): Call walk_body on OMP_FOR's
14 OMP_FOR_PRE_INIT_BODY.
16 2008-01-25 Richard Guenther <rguenther@suse.de>
18 PR tree-optimization/34966
19 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
20 default defs and PHI_NODEs we have to insert after the
23 2008-01-24 Nick Clifton <nickc@redhat.com>
25 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
26 Provide a default definition.
27 (LIBGCC2_UNITS_PER_WORD): Likewise.
29 * config/stormy16/stormy16.c: Include df.h for the prototype
30 for df_regs_ever_live_p.
31 (xstormy16_expand_builtin_va_start): Convert the stack offset
32 into a component_ref and then use POINTER_PLUS_EXPR to add it
33 to the incoming_virtual_args_rtx.
34 (xstormy16_gimplify_va_arg_expr): Rename to
35 xstormy16_gimplify_va_arg_expr.
36 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
37 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
38 xstormy16_gimplify_va_arg_expr.
39 Fix up some formatting issues.
41 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
42 Move to predicates.md.
43 (xs_hi_general_operand): Likewise.
44 (xs_hi_nonmemory_operand): Likewise.
45 * config/stormy16/predicates.md:
46 (xstormy16_carry_plus_operand): New predicate.
47 (xs_hi_general_operand): New predicate.
48 (xs_hi_nonmemory_operand): New predicate.
49 * config/stormy16/stormy16-protos.h:
50 (xstormy16_carry_plus_operand): Delete prototype.
51 (xs_hi_general_operand): Likewise.
52 (xs_hi_nonmemory_operand): Likewise.
54 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
55 modifiers as they are no longer needed and they can trigger
56 reload spill failures.
58 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
59 with a match_operand in order to help reload.
61 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
62 constraint with 'e' for the 8th alternative as this version of
63 the mov.w instruction only accepts the lower 8 registers.
65 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
68 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
69 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
72 2008-01-25 Jakub Jelinek <jakub@redhat.com>
75 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
77 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
79 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
81 (remove_structure): Update allocations list before removing structure.
83 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
85 * ipa-struct-reorg.c (is_safe_cond_expr,
86 create_new_stmts_for_cond_expr): Use integer_zerop function,
87 that recognize not only zero-pointer, but zero-integer too.
89 2008-01-25 Ben Elliston <bje@au.ibm.com>
92 * fixproto: Escape "." in sed expression that strips leading "./".
94 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
97 * gcc.c (SWITCH_OK): Removed.
98 (SWITCH_LIVE): Changed to bit.
99 (SWITCH_FALSE): Likewise.
100 (SWITCH_IGNORE): Likewise.
101 (switchstr): Change live_cond to unsigned int.
102 (process_command): Replace SWITCH_OK with 0.
103 (do_self_spec): Likewise.
104 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
105 (give_switch): Likewise.
106 (used_arg): Likewise.
107 (do_spec_1): Set the SWITCH_IGNORE bit.
108 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
109 bits. Set the SWITCH_LIVE bit.
111 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
113 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
115 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
117 PR tree-optimization/34472
118 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
119 parameter to a "bool *" and set *DATA to false if there is
120 an unsafe access. Do not delete the structure here.
121 (check_cond_exprs): Delete it here instead.
122 (check_cond_exprs, exclude_cold_structs): Do not increase
123 I when removing a structure.
125 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
128 * config/i386/i386.c (ix86_expand_vector_init): Consider only
129 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
131 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
134 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
135 a fixed vector for stack.
137 2008-01-24 Ben Elliston <bje@au.ibm.com>
140 * doc/gcc.texi (Software development): Add a direntry for g++.
142 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
144 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
145 stale and straggling -fforce-addr comments above.
147 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
149 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
150 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
152 2008-01-23 Michael Matz <matz@suse.de>
155 * dwarf2out.c (force_type_die): Use modified_type_die instead of
158 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
160 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
163 2008-01-23 Anatoly Sokolov <aesok@post.ru>
165 * config/avr/avr.c (avr_current_arch): New variable.
166 (avr_arch_types): Add 'avr31' and 'avr51' entries.
167 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
168 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
169 (avr_override_options): Init 'avr_current_arch'.
170 (base_arch_s): Move from here...
171 * config/avr/avr.h (base_arch_s): ... here. Add new members
172 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
173 'mega' to 'have_jmp_call'.
174 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
175 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
177 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
179 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
180 MULTILIB_MATCHES): (Ditto.).
182 2008-01-23 Richard Guenther <rguenther@suse.de>
185 * cgraphunit.c (cgraph_reset_node): Always mark the node
186 not reachable if it is not queued already.
188 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
190 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
191 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
192 (cputype_selected): New static variable.
193 (bfin_handle_option): Set it if -mcpu is used.
194 (override_option): Select default set of workarounds if no cpu type
195 selected on the command line.
196 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
198 From Michael Frysinger <michael.frysinger@analog.com>
199 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
200 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
202 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
203 for bf547, bf523, bf524, and bf526.
204 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
206 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
207 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
208 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
209 __ADSPBF547__ and __ADSPBF54x__ for bf547.
210 * doc/invoke.texi (Blackfin Options): Document that
211 -mcpu now accept bf547, bf523, bf524, and bf526.
213 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
215 PR rtl-optimization/34628
216 * combine.c (try_combine): Stop and undo after the first combination
217 if an autoincrement side-effect on the first insn has effectively
220 2008-01-22 David Edelsohn <edelsohn@gnu.org>
223 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
224 Offset addresses are not valid for Altivec or paired float modes.
226 2008-01-22 Jakub Jelinek <jakub@redhat.com>
229 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
230 if DECL_INITIAL (decl) is error_mark_node.
233 * c-common.c (handle_vector_size_attribute): Only allow
234 integral, scalar float and fixed point types. Handle OFFSET_TYPE
235 the same way as pointer, array etc. types.
236 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
239 * tree.c (build_type_attribute_qual_variant): Call
240 build_qualified_type if attributes are equal, but quals are not.
242 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
245 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
246 * flags.h (warn_strict_aliasing): Remove.
247 (warn_strict_overflow): Remove.
248 * opts.c (warn_strict_aliasing): Remove.
249 (warn_strict_overflow): Remove.
250 * c-opts.c (c_common_handle_option): -Wall only sets
251 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
252 (c_common_post_options): Give default values to -Wstrict-aliasing
253 and -Wstrict-overflow if they are uninitialized.
254 * common.opt (Wstrict-aliasing): Specify Var and Init.
255 (Wstrict-overflow): Likewise.
257 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
259 PR rtl-optimization/26854
260 PR rtl-optimization/34400
261 PR rtl-optimization/34884
262 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
264 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
265 (df_rd_bb_info.expanded_lr_out): Deleted
266 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
267 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
268 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
269 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
270 Removed code to allocate, initialize or free expanded_lr_out.
271 (df_rd_bb_local_compute_process_def): Restructured to make more
273 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
274 sets if the sets are being trimmed.
276 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
279 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
281 * configure: Regenerated.
283 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
286 * tree-pass.h (pass_build_alias): New pass.
287 * tree-ssa-alias.c (gate_build_alias): New.
288 (pass_build_alias): New.
289 * passes.c (init_optimization_passes): Add pass_build_alias after
290 pass_create_structure_vars.
292 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
294 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
295 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
296 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
297 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
298 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
299 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
300 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
301 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
302 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
303 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
304 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
305 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
306 * config/s390/s390.md (FP_ALL): New mode iterator.
307 (_d): New mode attribute.
308 ("*signbit<mode>2>"): Changed mode of first operand.
309 ("isinf<mode>2"): Changed mode of first operand.
310 ("*TDC_insn"): Adaptation for DFP modes.
312 2008-01-22 Ben Elliston <bje@au.ibm.com>
314 * tree.c (check_qualified_type): Improve function description.
316 2008-01-21 Jason Merrill <jason@redhat.com>
319 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
320 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
323 2008-01-21 DJ Delorie <dj@redhat.com>
325 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
328 2008-01-21 Richard Guenther <rguenther@suse.de>
331 * tree-cfg.c (verify_expr): Allow all invariant expressions
332 instead of just constant class ones as reference argument.
333 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
334 like any other constant.
335 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
337 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
339 * regmove.c (fixup_match_1): Update call crossed frequencies.
341 2008-01-21 Richard Guenther <rguenther@suse.de>
344 * tree-inline.c (setup_one_parameter): Deal with mismatched
345 types using a VIEW_CONVERT_EXPR.
347 2008-01-21 Alon Dayan <alond@il.ibm.com>
348 Olga Golovanevsky <olga@il.ibm.com>
350 PR tree-optimization/34701
351 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
352 when the structure size is not a power of 2.
354 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
356 * doc/install.texi: Add doc for --enable-checking=df.
358 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
360 PR rtl-optimization/34808
361 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
363 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
365 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
368 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
370 PR rtl-optimization/26854
371 PR rtl-optimization/34400
372 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
374 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
375 (df_rd_bb_info.expanded_lr_out): New.
376 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
377 * loop_iv.c (iv_analysis_loop_init): Ditto.
378 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
379 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
380 Added code to allocate, initialize or free expanded_lr_out.
381 (df_rd_bb_local_compute_process_def): Restructured to make
383 (df_rd_confluence_n): Add code to do nothing with fake edges and
384 code to no apply invalidate_by_call sets if the sets are being trimmed.
385 (df_lr_local_finalize): Renamed to df_lr_finalize.
386 (df_live_local_finalize): Renamed to df_live_finalize.
388 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
391 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
392 deciding whether to use reciprocal instructions.
394 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
396 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
397 dwarf2out_note_section_used if cold_text_section is NULL.
399 2008-01-19 Jakub Jelinek <jakub@redhat.com>
401 PR gcov-profile/34610
402 * tree-cfg.c (make_edges): Mark both outgoing edges from
403 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
404 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
405 from OMP_FOR and OMP_CONTINUE outgoing edges.
407 * tree-profile.c (tree_profiling): Return early if
408 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
410 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
411 from cfun to child_cfun.
412 * function.h (struct function): Add after_tree_profile bit.
414 2008-01-19 Anatoly Sokolov <aesok@post.ru>
416 * config/avr/avr.S (_exit): Disable interrupt.
418 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
419 Steven Bosscher <stevenb.gcc@gmail.com>
421 PR rtl-optimization/26854
422 PR rtl-optimization/34400
423 * df-problems.c (df_live_scratch): New scratch bitmap.
424 (df_live_alloc): Allocate df_live_scratch when doing df_live.
425 (df_live_reset): Clear the proper bitmaps.
426 (df_live_bb_local_compute): Only process the artificial defs once
427 since the order is not important.
428 (df_live_init): Init the df_live sets only with the variables
430 (df_live_transfer_function): Use the df_lr sets to prune the
431 df_live sets as they are being computed.
432 (df_live_free): Free df_live_scratch.
434 2008-01-18 Ian Lance Taylor <iant@google.com>
436 * common.opt: Add fmerge-debug-strings.
437 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
438 flag_merge_debug_strings rather than flag_merge_constants.
439 * doc/invoke.texi (Option Summary): Mention
440 -fmerge-debug-strings.
441 (Debugging Options): Document -fmerge-debug-strings.
443 2008-01-18 Ian Lance Taylor <iant@google.com>
446 * tree.h (DECL_IS_OPERATOR_NEW): Define.
447 (struct tree_function_decl): Add new field operator_new_flag.
448 * tree-inline.c (expand_call_inline): When inlining a call to
449 operator new, force the return value to go into a variable, and
450 set DECL_NO_TBAA_P on that variable.
451 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
453 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
456 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
457 DWARF2_DEBUGGING_INFO.
458 (dwarf2out_note_section_used): Ditto. Add prototype.
459 (have_multiple_function_sections, text_section_used,
460 cold_text_section_used, *cold_text_sections): Move declarations
463 2007-01-17 Bob Wilson <bob.wilson@acm.org>
465 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
466 field and add signal_ra.
467 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
468 assignments to frame state pc. Move end of stack check after
469 MD_FALLBACK_FRAME_STATE_FOR.
470 (uw_update_context_1): Use frame state signal_regs if set, instead
471 of checking signal_frame flag.
472 (uw_update_context): Use frame state signal_ra if set.
473 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
474 * config/xtensa/linux-unwind.h: New file.
476 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
478 * modulo-sched.c (get_sched_window): Fix comment typo.
480 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
482 PR tree-optimization/34648
483 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
485 2008-01-17 Anatoly Sokolov <aesok@post.ru>
487 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
488 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
490 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
492 PR rtl-optimization/34400
493 * df-core.c (df_worklist_dataflow_overeager,
494 df_worklist_dataflow_doublequeue): New functions.
495 (df_worklist_dataflow): Two different worklist solvers.
496 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
499 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
502 * doc/invoke.texi: Document the dependence on pthread for fopenmp
503 and ftree-parallelize-loops.
505 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
507 PR rtl-optimization/34826
508 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
510 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
512 * global.c (find_reg): Mark the eh regs as used if necessary.
513 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
514 * ra.h (struct allocno): no_eh_reg field added. Changed
515 no_stack_reg type to bitfield.
517 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
519 * tree.c (substitute_in_expr): Add missing 'break'.
521 2008-01-17 Richard Guenther <rguenther@suse.de>
523 PR tree-optimization/34825
524 * tree-ssa-math-opts.c (is_division_by): Do not recognize
525 x / x as division to handle.
527 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
529 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
530 "-pthread" is specified.
531 * pa-hpux11.h (LIB_SPEC): Likewise.
533 2007-01-16 Janis Johnson <janis187@us.ibm.com>
534 Peter Bergner <bergner@vnet.ibm.com>
536 PR rtl-optimization/33796
537 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
539 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
542 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
544 * pa-hpux10.h (LINK_SPEC): Likewise.
545 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
547 2008-01-16 Richard Guenther <rguenther@suse.de>
550 * fold-const.c (fold_convert_const_int_from_int): Do not
551 set overflow if that occured only because of a sign extension
552 change when converting from/to a sizetype with the same
553 precision and signedness.
555 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
558 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
559 location address to the correct place. Update copyright year.
561 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
563 * lambda-code.c (lambda_transform_legal_p): Handle the case of
564 no dependences in the dependence_relations vector.
566 2008-01-16 Jan Hubicka <jh@suse.cz>
568 PR rtl-optimization/31396
569 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
570 * cfg.c (dump_reg_info): Print it.
571 * regs.h (struct reg_info_t): add freq_calls_crossed.
572 (REG_FREQ_CALLS_CROSSED): New macro.
573 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
574 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
575 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
576 regmove_optimize): Update call crossed frequencies.
577 * local-alloc.c (struct qty): Add freq_calls_crossed.
578 (alloc_qty): Copute freq_calls_crossed.
579 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
580 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
581 * ra.h (struct allocno): Add freq_calls_crossed.
583 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
585 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
586 libgomp when compiling with ftree-parallelize-loops.
587 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
589 2008-01-16 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/34769
592 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
593 * tree.c (int_cst_value): Instead make this function more
594 permissive in what it accepts as valid input. Document this
595 function always sign-extends the value.
597 2008-01-16 Jakub Jelinek <jakub@redhat.com>
598 Richard Guenther <rguenther@suse.de>
601 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
602 (gimple_fold_indirect_ref_rhs): ... this.
603 (gimple_fold_indirect_ref): New function with foldings
604 that preserve lvalueness.
605 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
606 * tree-flow.h (gimple_fold_indirect_ref): Declare.
607 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
608 to fold an INDIRECT_REF, fall back to the old use of
611 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
613 * tree-data-ref.c (subscript_dependence_tester_1): Call
614 free_conflict_function.
615 (compute_self_dependence): Same.
617 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
620 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
621 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
623 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
624 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
625 for DWARF2_UNWIND_INFO targets.
627 2008-01-16 Richard Guenther <rguenther@suse.de>
630 * c-typeck.c (common_pointer_type): Do not merge inconsistent
631 type qualifiers for function types.
633 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
635 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
636 loop_iterator li from previous commit.
638 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
640 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
642 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
644 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
645 (parallelize_loops): Don't parallelize irreducible components.
647 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
650 * c-opts (c_common_post_options): Do not enable CPP
651 flag_pedantic_errors by default.
653 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
655 PR rtl-optimization/31944
656 * cse.c (remove_pseudo_from_table): New function.
657 (merge_equiv_classes): Use above function to remove pseudo-registers.
658 (invalidate): Likewise.
660 2008-01-13 Richard Guenther <rguenther@suse.de>
663 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
664 instead of TYPE_MODE to deal with calls from expand_one_error_var.
666 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
668 * gcse.c (cprop_jump): Call validate_unshare_change instead of
669 validate_change to unshare the source of the PC set.
671 2008-01-12 Jan Hubicka <jh@suse.cz>
674 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
675 references above array bounds. This might trigger bounds checks for
678 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
680 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
681 new_replaceable_dependencies.
683 2008-01-12 Doug Kwan <dougkwan@google.com>
685 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
686 instead of OPT_Wreturn_type in warning due to ignored return type
688 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
689 options included in -Wextra.
690 * c.opt: New option -Wignored_qualifiers.
691 * doc/invoke.texi (Warning Options, -Wextra): Add new option
693 (-Wignored-qualifiers): Document.
694 (-Wreturn-type): Remove description of functionality now handled
695 by -Wignored-qualifiers.
697 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
700 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
701 NOP_EXPR if it is between integral types with the same precision.
703 2008-01-12 Jan Hubicka <jh@suse.cz>
706 * invoke.texi (max-inline-recursive-depth): Fix default value.
708 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
710 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
713 2008-01-11 Bob Wilson <bob.wilson@acm.org>
715 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
717 2008-01-11 James E. Wilson <wilson@specifix.com>
720 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
722 2008-01-11 Anatoly Sokolov <aesok@post.ru>
724 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
725 save/restore frame pointer register and don't use 'call-prologues'
726 optimization in function with "OS_task" attribute.
728 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
731 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
732 when copying to memory.
734 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
736 PR rtl-optimization/30905
737 * cfgcleanup.c: Include dce.h
738 (crossjumps_occured): New global variable.
739 (try_crossjump_bb): Exit loop after finding a fallthru edge.
740 If something changed, set crossjumps_occured to true.
741 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
742 Don't add/remove fake edges to exit here...
743 (cleanup_cfg): ...but do it here, when crossjumping.
744 Run a fast DCE when successful crossjumps occured in the latest
745 iteration of try_optimize_cfg.
747 2008-01-11 Richard Guenther <rguenther@suse.de>
749 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
750 (struct vn_unary_op_s): Likewise.
751 (vn_reference_insert): Free old reference on hash collision.
753 2008-01-10 Raksit Ashok <raksit@google.com>
755 PR rtl-optimization/27971
756 * combine.c (find_split_point): Split PLUS expressions which are
757 inside a MEM rtx, and whose first operand is complex.
759 2008-01-10 DJ Delorie <dj@redhat.com>
761 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
762 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
763 (m32c_hard_regno_ok): Call the underlying function.
765 2008-01-10 Richard Guenther <rguenther@suse.de>
768 * tree-cfg.c (tree_merge_blocks): Do not go through the
769 full-blown folding and stmt updating path if we just deal
770 with virtual operands.
771 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
772 test for abnormal SSA_NAMEs.
774 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
777 * reload.c (push_reload): Add assertions. All constants from
778 reg_equiv_constant should have been used for replacing the respective
780 (find_reloads_address): Invoke find_reloads_address_part for
781 constant taken from the reg_equiv_constant array.
783 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
785 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
786 field (valnum) the first in the struct. Replace bools with
789 2008-01-10 Richard Guenther <rguenther@suse.de>
791 PR tree-optimization/34651
792 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
793 types and ordering for masking and converting.
795 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
797 PR tree-optimization/34017
798 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
799 also for PHI_NODE expressions.
801 2008-01-09 Jan Hubicka <jh@suse.cz>
803 PR tree-optimization/34708
804 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
805 based on number of case labels.
806 (init_inline_once): Remove switch_cost.
807 * tree-inline.h (eni_weights_d): Remove switch_cost.
809 2008-01-09 Richard Guenther <rguenther@suse.de>
810 Andrew Pinski <andrew_pinski@playstation.sony.com>
813 * gimplify.c (gimplify_cond_expr): Do not create an addressable
814 temporary if an rvalue is ok or an lvalue is not required.
816 2008-01-09 Richard Guenther <rguenther@suse.de>
819 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
822 2008-01-09 Richard Guenther <rguenther@suse.de>
825 * tree.c (host_integerp): Check for sizetype only if the
826 type is an integer type.
828 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
831 * opts.c (decode_options): Disable inlining of functions called
832 once if not in unit-at-a-time mode.
834 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
836 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
838 2008-01-08 Richard Guenther <rguenther@suse.de>
841 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
842 out early if the result will be unused.
844 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
849 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
850 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
853 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
855 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
856 for vectorization tuned.
858 2008-01-08 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/34683
861 * tree-ssa-operands.c (operand_build_cmp): Export.
862 * tree-ssa-operands.h (operand_build_cmp): Declare.
863 * tree-vn.c (vuses_compare): Remove.
864 (sort_vuses): Use operand_build_cmp.
865 (sort_vuses_heap): Likewise.
866 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
867 to re-use old VEC if available. Do not sort already sorted VUSEs.
868 (vdefs_to_vec): Do not sort already sorted VDEFs.
870 2008-01-08 Jakub Jelinek <jakub@redhat.com>
873 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
875 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
878 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
879 limitations of reciprocal sequences on x86 targets.
881 2008-01-08 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/34683
884 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
886 2008-01-07 Jakub Jelinek <jakub@redhat.com>
889 * config/darwin.c (darwin_mergeable_string_section): Don't use
890 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
892 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
895 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
896 negxf2. Macroize expander using X87MODEF mode iterator. Change
897 predicates of op0 and op1 to register_operand.
898 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
899 expander using X87MODEF mode iterator. Change predicates of
900 op0 and op1 to register_operand.
901 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
902 corresponding patterns and macroize using MODEF macro. Change
903 predicates of op0 and op1 to register_operand and remove
904 "m" constraint. Disparage "r" alternative with "!".
905 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
906 macroize using X87MODEF macro. Change predicates of op0 and op1
907 to register_operand and remove "m" constraint. Disparage "r"
908 alternative with "!".
909 (absneg splitter with memory operands): Remove.
910 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
911 patterns and macroize using X87MODEF mode iterator.
912 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
913 Change predicate of op1 to register_operand.
914 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
917 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
919 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
921 2008-01-07 Richard Guenther <rguenther@suse.de>
923 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
926 2008-01-07 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/34683
929 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
930 VOPs of the needed size to save memory. Use VEC_quick_push
931 to save compile-time.
932 (vdefs_to_vec): Likewise.
934 2008-01-07 Sa Liu <saliu@de.ibm.com>
936 * config/spu/spu.md (divdf3): Genetate inline code for double
937 division. The implementation doesn't handle INF or NAN, therefore it
938 only applies when -ffinite-math-only is given.
940 2008-01-06 Paolo Carlini <pcarlini@suse.de>
943 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
944 * doc/cpp.texi ([Common Predefined Macros]): Document.
946 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
948 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
949 order to use commutative addition instead of subtraction.
951 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
952 Mircea Namolaru <namolaru@il.ibm.com>
953 Vladimir Yanovsky <yanov@il.ibm.com>
954 Revital Eres <eres@il.ibm.com>
956 PR tree-optimization/34263
957 * tree-outof-ssa.c (process_single_block_loop_latch,
958 contains_tree_r): New functions.
959 (analyze_edges_for_bb): Call process_single_block_loop_latch
960 function to empty single-basic-block latch block if possible.
962 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
964 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
966 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
968 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
970 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
972 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
974 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
976 2008-01-05 Jakub Jelinek <jakub@redhat.com>
978 PR tree-optimization/34618
979 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
982 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
985 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
986 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
987 Update copyright year.
989 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
990 Update copyright year.
991 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
994 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
996 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
997 edge does not point to current bb before changing need_assert.
999 2008-01-04 Richard Guenther <rguenther@suse.de>
1002 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1003 for verifying purposes if they are is_gimple_min_invariant.
1005 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1007 PR tree-optimization/34448
1008 PR tree-optimization/34465
1009 * gimplify.c (gimplify_init_constructor): Add new parameter
1010 notify_temp_creation. Use it.
1011 (gimplify_modify_expr_rhs): Take volatiles into account when
1012 optimizing constructors.
1013 Do not optimize constructors if gimplify_init_constructor will dump to
1015 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1016 * gcc.c-torture/compile/pr34448.c: New.
1018 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1020 PR gcov-profile/34609
1021 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1022 return_slot if result is TREE_ADDRESSABLE.
1024 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1026 * config/mips/mips.md (sqrt_condition): Tweak comment.
1027 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1029 2008-01-03 Tom Tromey <tromey@redhat.com>
1032 * c-common.c (c_type_hash): Handle VLAs.
1034 2008-01-03 Jan Hubicka <jh@suse.cz>
1036 PR tree-optimization/31081
1037 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1038 0 when inlining and not inlining to first basic block.
1039 (remap_decl): When var is initialized to 0, don't set default_def.
1040 (expand_call_inline): Set entry_bb.
1041 * tree-inline.h (copy_body_data): Add entry_bb.
1043 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1046 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1049 PR tree-optimization/29484
1050 * tree-inline.c (inline_forbidden_p_2): New function.
1051 (inline_forbidden_p): Disallow inlining if some static var
1052 has an address of a local LABEL_DECL in its initializer.
1053 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1056 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1058 PR tree-optimization/34635
1059 * tree-data-ref.c (add_other_self_distances): Make sure that the
1060 evolution step is constant.
1062 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1065 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1067 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1069 * tree-sra.c (scalarize_init): Insert the generate_element_init
1070 statements after the generate_element_zero statements.
1072 2008-01-02 Richard Guenther <rguenther@suse.de>
1076 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1077 for very large number of operands instead of ICEing.
1079 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1082 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1083 while stack probing.
1085 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1087 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1090 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1093 * tree-mudflap.c (mx_register_decls): Guard warning by
1094 !DECL_ARTIFICIAL check.
1096 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1098 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1099 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1100 sse5_perm<mode>): Fix constraints.