1 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.c (override_options): Reorder tests so that
4 flag_pic gets enabled for -msep-data.
6 2008-01-25 Richard Guenther <rguenther@suse.de>
9 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
10 to its bitfield precision if required.
12 2008-01-25 Jakub Jelinek <jakub@redhat.com>
15 * tree-nested.c (walk_omp_for): New function.
16 (convert_nonlocal_reference, convert_local_reference): Call
17 walk_omp_for on OMP_FOR.
18 (convert_call_expr): Call walk_body on OMP_FOR's
19 OMP_FOR_PRE_INIT_BODY.
21 2008-01-25 Richard Guenther <rguenther@suse.de>
23 PR tree-optimization/34966
24 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
25 default defs and PHI_NODEs we have to insert after the
28 2008-01-24 Nick Clifton <nickc@redhat.com>
30 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
31 Provide a default definition.
32 (LIBGCC2_UNITS_PER_WORD): Likewise.
34 * config/stormy16/stormy16.c: Include df.h for the prototype
35 for df_regs_ever_live_p.
36 (xstormy16_expand_builtin_va_start): Convert the stack offset
37 into a component_ref and then use POINTER_PLUS_EXPR to add it
38 to the incoming_virtual_args_rtx.
39 (xstormy16_gimplify_va_arg_expr): Rename to
40 xstormy16_gimplify_va_arg_expr.
41 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
42 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
43 xstormy16_gimplify_va_arg_expr.
44 Fix up some formatting issues.
46 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
47 Move to predicates.md.
48 (xs_hi_general_operand): Likewise.
49 (xs_hi_nonmemory_operand): Likewise.
50 * config/stormy16/predicates.md:
51 (xstormy16_carry_plus_operand): New predicate.
52 (xs_hi_general_operand): New predicate.
53 (xs_hi_nonmemory_operand): New predicate.
54 * config/stormy16/stormy16-protos.h:
55 (xstormy16_carry_plus_operand): Delete prototype.
56 (xs_hi_general_operand): Likewise.
57 (xs_hi_nonmemory_operand): Likewise.
59 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
60 modifiers as they are no longer needed and they can trigger
61 reload spill failures.
63 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
64 with a match_operand in order to help reload.
66 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
67 constraint with 'e' for the 8th alternative as this version of
68 the mov.w instruction only accepts the lower 8 registers.
70 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
73 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
74 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
77 2008-01-25 Jakub Jelinek <jakub@redhat.com>
80 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
82 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
84 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
86 (remove_structure): Update allocations list before removing structure.
88 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
90 * ipa-struct-reorg.c (is_safe_cond_expr,
91 create_new_stmts_for_cond_expr): Use integer_zerop function,
92 that recognize not only zero-pointer, but zero-integer too.
94 2008-01-25 Ben Elliston <bje@au.ibm.com>
97 * fixproto: Escape "." in sed expression that strips leading "./".
99 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
102 * gcc.c (SWITCH_OK): Removed.
103 (SWITCH_LIVE): Changed to bit.
104 (SWITCH_FALSE): Likewise.
105 (SWITCH_IGNORE): Likewise.
106 (switchstr): Change live_cond to unsigned int.
107 (process_command): Replace SWITCH_OK with 0.
108 (do_self_spec): Likewise.
109 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
110 (give_switch): Likewise.
111 (used_arg): Likewise.
112 (do_spec_1): Set the SWITCH_IGNORE bit.
113 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
114 bits. Set the SWITCH_LIVE bit.
116 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
118 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
120 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
122 PR tree-optimization/34472
123 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
124 parameter to a "bool *" and set *DATA to false if there is
125 an unsafe access. Do not delete the structure here.
126 (check_cond_exprs): Delete it here instead.
127 (check_cond_exprs, exclude_cold_structs): Do not increase
128 I when removing a structure.
130 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386.c (ix86_expand_vector_init): Consider only
134 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
136 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
139 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
140 a fixed vector for stack.
142 2008-01-24 Ben Elliston <bje@au.ibm.com>
145 * doc/gcc.texi (Software development): Add a direntry for g++.
147 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
149 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
150 stale and straggling -fforce-addr comments above.
152 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
154 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
155 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
157 2008-01-23 Michael Matz <matz@suse.de>
160 * dwarf2out.c (force_type_die): Use modified_type_die instead of
163 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
165 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
168 2008-01-23 Anatoly Sokolov <aesok@post.ru>
170 * config/avr/avr.c (avr_current_arch): New variable.
171 (avr_arch_types): Add 'avr31' and 'avr51' entries.
172 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
173 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
174 (avr_override_options): Init 'avr_current_arch'.
175 (base_arch_s): Move from here...
176 * config/avr/avr.h (base_arch_s): ... here. Add new members
177 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
178 'mega' to 'have_jmp_call'.
179 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
180 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
182 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
184 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
185 MULTILIB_MATCHES): (Ditto.).
187 2008-01-23 Richard Guenther <rguenther@suse.de>
190 * cgraphunit.c (cgraph_reset_node): Always mark the node
191 not reachable if it is not queued already.
193 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
195 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
196 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
197 (cputype_selected): New static variable.
198 (bfin_handle_option): Set it if -mcpu is used.
199 (override_option): Select default set of workarounds if no cpu type
200 selected on the command line.
201 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
203 From Michael Frysinger <michael.frysinger@analog.com>
204 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
205 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
207 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
208 for bf547, bf523, bf524, and bf526.
209 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
211 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
212 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
213 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
214 __ADSPBF547__ and __ADSPBF54x__ for bf547.
215 * doc/invoke.texi (Blackfin Options): Document that
216 -mcpu now accept bf547, bf523, bf524, and bf526.
218 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
220 PR rtl-optimization/34628
221 * combine.c (try_combine): Stop and undo after the first combination
222 if an autoincrement side-effect on the first insn has effectively
225 2008-01-22 David Edelsohn <edelsohn@gnu.org>
228 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
229 Offset addresses are not valid for Altivec or paired float modes.
231 2008-01-22 Jakub Jelinek <jakub@redhat.com>
234 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
235 if DECL_INITIAL (decl) is error_mark_node.
238 * c-common.c (handle_vector_size_attribute): Only allow
239 integral, scalar float and fixed point types. Handle OFFSET_TYPE
240 the same way as pointer, array etc. types.
241 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
244 * tree.c (build_type_attribute_qual_variant): Call
245 build_qualified_type if attributes are equal, but quals are not.
247 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
250 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
251 * flags.h (warn_strict_aliasing): Remove.
252 (warn_strict_overflow): Remove.
253 * opts.c (warn_strict_aliasing): Remove.
254 (warn_strict_overflow): Remove.
255 * c-opts.c (c_common_handle_option): -Wall only sets
256 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
257 (c_common_post_options): Give default values to -Wstrict-aliasing
258 and -Wstrict-overflow if they are uninitialized.
259 * common.opt (Wstrict-aliasing): Specify Var and Init.
260 (Wstrict-overflow): Likewise.
262 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
264 PR rtl-optimization/26854
265 PR rtl-optimization/34400
266 PR rtl-optimization/34884
267 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
269 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
270 (df_rd_bb_info.expanded_lr_out): Deleted
271 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
272 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
273 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
274 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
275 Removed code to allocate, initialize or free expanded_lr_out.
276 (df_rd_bb_local_compute_process_def): Restructured to make more
278 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
279 sets if the sets are being trimmed.
281 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
284 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
286 * configure: Regenerated.
288 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
291 * tree-pass.h (pass_build_alias): New pass.
292 * tree-ssa-alias.c (gate_build_alias): New.
293 (pass_build_alias): New.
294 * passes.c (init_optimization_passes): Add pass_build_alias after
295 pass_create_structure_vars.
297 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
299 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
300 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
301 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
302 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
303 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
304 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
305 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
306 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
307 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
308 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
309 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
310 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
311 * config/s390/s390.md (FP_ALL): New mode iterator.
312 (_d): New mode attribute.
313 ("*signbit<mode>2>"): Changed mode of first operand.
314 ("isinf<mode>2"): Changed mode of first operand.
315 ("*TDC_insn"): Adaptation for DFP modes.
317 2008-01-22 Ben Elliston <bje@au.ibm.com>
319 * tree.c (check_qualified_type): Improve function description.
321 2008-01-21 Jason Merrill <jason@redhat.com>
324 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
325 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
328 2008-01-21 DJ Delorie <dj@redhat.com>
330 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
333 2008-01-21 Richard Guenther <rguenther@suse.de>
336 * tree-cfg.c (verify_expr): Allow all invariant expressions
337 instead of just constant class ones as reference argument.
338 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
339 like any other constant.
340 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
342 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
344 * regmove.c (fixup_match_1): Update call crossed frequencies.
346 2008-01-21 Richard Guenther <rguenther@suse.de>
349 * tree-inline.c (setup_one_parameter): Deal with mismatched
350 types using a VIEW_CONVERT_EXPR.
352 2008-01-21 Alon Dayan <alond@il.ibm.com>
353 Olga Golovanevsky <olga@il.ibm.com>
355 PR tree-optimization/34701
356 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
357 when the structure size is not a power of 2.
359 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
361 * doc/install.texi: Add doc for --enable-checking=df.
363 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
365 PR rtl-optimization/34808
366 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
368 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
370 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
373 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
375 PR rtl-optimization/26854
376 PR rtl-optimization/34400
377 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
379 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
380 (df_rd_bb_info.expanded_lr_out): New.
381 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
382 * loop_iv.c (iv_analysis_loop_init): Ditto.
383 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
384 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
385 Added code to allocate, initialize or free expanded_lr_out.
386 (df_rd_bb_local_compute_process_def): Restructured to make
388 (df_rd_confluence_n): Add code to do nothing with fake edges and
389 code to no apply invalidate_by_call sets if the sets are being trimmed.
390 (df_lr_local_finalize): Renamed to df_lr_finalize.
391 (df_live_local_finalize): Renamed to df_live_finalize.
393 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
396 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
397 deciding whether to use reciprocal instructions.
399 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
401 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
402 dwarf2out_note_section_used if cold_text_section is NULL.
404 2008-01-19 Jakub Jelinek <jakub@redhat.com>
406 PR gcov-profile/34610
407 * tree-cfg.c (make_edges): Mark both outgoing edges from
408 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
409 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
410 from OMP_FOR and OMP_CONTINUE outgoing edges.
412 * tree-profile.c (tree_profiling): Return early if
413 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
415 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
416 from cfun to child_cfun.
417 * function.h (struct function): Add after_tree_profile bit.
419 2008-01-19 Anatoly Sokolov <aesok@post.ru>
421 * config/avr/avr.S (_exit): Disable interrupt.
423 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
424 Steven Bosscher <stevenb.gcc@gmail.com>
426 PR rtl-optimization/26854
427 PR rtl-optimization/34400
428 * df-problems.c (df_live_scratch): New scratch bitmap.
429 (df_live_alloc): Allocate df_live_scratch when doing df_live.
430 (df_live_reset): Clear the proper bitmaps.
431 (df_live_bb_local_compute): Only process the artificial defs once
432 since the order is not important.
433 (df_live_init): Init the df_live sets only with the variables
435 (df_live_transfer_function): Use the df_lr sets to prune the
436 df_live sets as they are being computed.
437 (df_live_free): Free df_live_scratch.
439 2008-01-18 Ian Lance Taylor <iant@google.com>
441 * common.opt: Add fmerge-debug-strings.
442 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
443 flag_merge_debug_strings rather than flag_merge_constants.
444 * doc/invoke.texi (Option Summary): Mention
445 -fmerge-debug-strings.
446 (Debugging Options): Document -fmerge-debug-strings.
448 2008-01-18 Ian Lance Taylor <iant@google.com>
451 * tree.h (DECL_IS_OPERATOR_NEW): Define.
452 (struct tree_function_decl): Add new field operator_new_flag.
453 * tree-inline.c (expand_call_inline): When inlining a call to
454 operator new, force the return value to go into a variable, and
455 set DECL_NO_TBAA_P on that variable.
456 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
458 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
461 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
462 DWARF2_DEBUGGING_INFO.
463 (dwarf2out_note_section_used): Ditto. Add prototype.
464 (have_multiple_function_sections, text_section_used,
465 cold_text_section_used, *cold_text_sections): Move declarations
468 2007-01-17 Bob Wilson <bob.wilson@acm.org>
470 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
471 field and add signal_ra.
472 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
473 assignments to frame state pc. Move end of stack check after
474 MD_FALLBACK_FRAME_STATE_FOR.
475 (uw_update_context_1): Use frame state signal_regs if set, instead
476 of checking signal_frame flag.
477 (uw_update_context): Use frame state signal_ra if set.
478 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
479 * config/xtensa/linux-unwind.h: New file.
481 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
483 * modulo-sched.c (get_sched_window): Fix comment typo.
485 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
487 PR tree-optimization/34648
488 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
490 2008-01-17 Anatoly Sokolov <aesok@post.ru>
492 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
493 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
495 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
497 PR rtl-optimization/34400
498 * df-core.c (df_worklist_dataflow_overeager,
499 df_worklist_dataflow_doublequeue): New functions.
500 (df_worklist_dataflow): Two different worklist solvers.
501 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
504 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
507 * doc/invoke.texi: Document the dependence on pthread for fopenmp
508 and ftree-parallelize-loops.
510 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
512 PR rtl-optimization/34826
513 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
515 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
517 * global.c (find_reg): Mark the eh regs as used if necessary.
518 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
519 * ra.h (struct allocno): no_eh_reg field added. Changed
520 no_stack_reg type to bitfield.
522 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
524 * tree.c (substitute_in_expr): Add missing 'break'.
526 2008-01-17 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/34825
529 * tree-ssa-math-opts.c (is_division_by): Do not recognize
530 x / x as division to handle.
532 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
534 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
535 "-pthread" is specified.
536 * pa-hpux11.h (LIB_SPEC): Likewise.
538 2007-01-16 Janis Johnson <janis187@us.ibm.com>
539 Peter Bergner <bergner@vnet.ibm.com>
541 PR rtl-optimization/33796
542 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
544 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
547 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
549 * pa-hpux10.h (LINK_SPEC): Likewise.
550 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
552 2008-01-16 Richard Guenther <rguenther@suse.de>
555 * fold-const.c (fold_convert_const_int_from_int): Do not
556 set overflow if that occured only because of a sign extension
557 change when converting from/to a sizetype with the same
558 precision and signedness.
560 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
563 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
564 location address to the correct place. Update copyright year.
566 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
568 * lambda-code.c (lambda_transform_legal_p): Handle the case of
569 no dependences in the dependence_relations vector.
571 2008-01-16 Jan Hubicka <jh@suse.cz>
573 PR rtl-optimization/31396
574 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
575 * cfg.c (dump_reg_info): Print it.
576 * regs.h (struct reg_info_t): add freq_calls_crossed.
577 (REG_FREQ_CALLS_CROSSED): New macro.
578 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
579 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
580 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
581 regmove_optimize): Update call crossed frequencies.
582 * local-alloc.c (struct qty): Add freq_calls_crossed.
583 (alloc_qty): Copute freq_calls_crossed.
584 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
585 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
586 * ra.h (struct allocno): Add freq_calls_crossed.
588 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
590 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
591 libgomp when compiling with ftree-parallelize-loops.
592 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
594 2008-01-16 Richard Guenther <rguenther@suse.de>
596 PR tree-optimization/34769
597 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
598 * tree.c (int_cst_value): Instead make this function more
599 permissive in what it accepts as valid input. Document this
600 function always sign-extends the value.
602 2008-01-16 Jakub Jelinek <jakub@redhat.com>
603 Richard Guenther <rguenther@suse.de>
606 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
607 (gimple_fold_indirect_ref_rhs): ... this.
608 (gimple_fold_indirect_ref): New function with foldings
609 that preserve lvalueness.
610 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
611 * tree-flow.h (gimple_fold_indirect_ref): Declare.
612 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
613 to fold an INDIRECT_REF, fall back to the old use of
616 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
618 * tree-data-ref.c (subscript_dependence_tester_1): Call
619 free_conflict_function.
620 (compute_self_dependence): Same.
622 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
625 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
626 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
628 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
629 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
630 for DWARF2_UNWIND_INFO targets.
632 2008-01-16 Richard Guenther <rguenther@suse.de>
635 * c-typeck.c (common_pointer_type): Do not merge inconsistent
636 type qualifiers for function types.
638 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
640 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
641 loop_iterator li from previous commit.
643 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
645 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
647 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
649 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
650 (parallelize_loops): Don't parallelize irreducible components.
652 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
655 * c-opts (c_common_post_options): Do not enable CPP
656 flag_pedantic_errors by default.
658 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
660 PR rtl-optimization/31944
661 * cse.c (remove_pseudo_from_table): New function.
662 (merge_equiv_classes): Use above function to remove pseudo-registers.
663 (invalidate): Likewise.
665 2008-01-13 Richard Guenther <rguenther@suse.de>
668 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
669 instead of TYPE_MODE to deal with calls from expand_one_error_var.
671 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
673 * gcse.c (cprop_jump): Call validate_unshare_change instead of
674 validate_change to unshare the source of the PC set.
676 2008-01-12 Jan Hubicka <jh@suse.cz>
679 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
680 references above array bounds. This might trigger bounds checks for
683 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
685 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
686 new_replaceable_dependencies.
688 2008-01-12 Doug Kwan <dougkwan@google.com>
690 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
691 instead of OPT_Wreturn_type in warning due to ignored return type
693 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
694 options included in -Wextra.
695 * c.opt: New option -Wignored_qualifiers.
696 * doc/invoke.texi (Warning Options, -Wextra): Add new option
698 (-Wignored-qualifiers): Document.
699 (-Wreturn-type): Remove description of functionality now handled
700 by -Wignored-qualifiers.
702 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
705 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
706 NOP_EXPR if it is between integral types with the same precision.
708 2008-01-12 Jan Hubicka <jh@suse.cz>
711 * invoke.texi (max-inline-recursive-depth): Fix default value.
713 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
715 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
718 2008-01-11 Bob Wilson <bob.wilson@acm.org>
720 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
722 2008-01-11 James E. Wilson <wilson@specifix.com>
725 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
727 2008-01-11 Anatoly Sokolov <aesok@post.ru>
729 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
730 save/restore frame pointer register and don't use 'call-prologues'
731 optimization in function with "OS_task" attribute.
733 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
736 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
737 when copying to memory.
739 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
741 PR rtl-optimization/30905
742 * cfgcleanup.c: Include dce.h
743 (crossjumps_occured): New global variable.
744 (try_crossjump_bb): Exit loop after finding a fallthru edge.
745 If something changed, set crossjumps_occured to true.
746 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
747 Don't add/remove fake edges to exit here...
748 (cleanup_cfg): ...but do it here, when crossjumping.
749 Run a fast DCE when successful crossjumps occured in the latest
750 iteration of try_optimize_cfg.
752 2008-01-11 Richard Guenther <rguenther@suse.de>
754 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
755 (struct vn_unary_op_s): Likewise.
756 (vn_reference_insert): Free old reference on hash collision.
758 2008-01-10 Raksit Ashok <raksit@google.com>
760 PR rtl-optimization/27971
761 * combine.c (find_split_point): Split PLUS expressions which are
762 inside a MEM rtx, and whose first operand is complex.
764 2008-01-10 DJ Delorie <dj@redhat.com>
766 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
767 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
768 (m32c_hard_regno_ok): Call the underlying function.
770 2008-01-10 Richard Guenther <rguenther@suse.de>
773 * tree-cfg.c (tree_merge_blocks): Do not go through the
774 full-blown folding and stmt updating path if we just deal
775 with virtual operands.
776 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
777 test for abnormal SSA_NAMEs.
779 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
782 * reload.c (push_reload): Add assertions. All constants from
783 reg_equiv_constant should have been used for replacing the respective
785 (find_reloads_address): Invoke find_reloads_address_part for
786 constant taken from the reg_equiv_constant array.
788 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
790 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
791 field (valnum) the first in the struct. Replace bools with
794 2008-01-10 Richard Guenther <rguenther@suse.de>
796 PR tree-optimization/34651
797 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
798 types and ordering for masking and converting.
800 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
802 PR tree-optimization/34017
803 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
804 also for PHI_NODE expressions.
806 2008-01-09 Jan Hubicka <jh@suse.cz>
808 PR tree-optimization/34708
809 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
810 based on number of case labels.
811 (init_inline_once): Remove switch_cost.
812 * tree-inline.h (eni_weights_d): Remove switch_cost.
814 2008-01-09 Richard Guenther <rguenther@suse.de>
815 Andrew Pinski <andrew_pinski@playstation.sony.com>
818 * gimplify.c (gimplify_cond_expr): Do not create an addressable
819 temporary if an rvalue is ok or an lvalue is not required.
821 2008-01-09 Richard Guenther <rguenther@suse.de>
824 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
827 2008-01-09 Richard Guenther <rguenther@suse.de>
830 * tree.c (host_integerp): Check for sizetype only if the
831 type is an integer type.
833 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
836 * opts.c (decode_options): Disable inlining of functions called
837 once if not in unit-at-a-time mode.
839 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
841 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
843 2008-01-08 Richard Guenther <rguenther@suse.de>
846 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
847 out early if the result will be unused.
849 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
854 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
855 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
858 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
860 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
861 for vectorization tuned.
863 2008-01-08 Richard Guenther <rguenther@suse.de>
865 PR tree-optimization/34683
866 * tree-ssa-operands.c (operand_build_cmp): Export.
867 * tree-ssa-operands.h (operand_build_cmp): Declare.
868 * tree-vn.c (vuses_compare): Remove.
869 (sort_vuses): Use operand_build_cmp.
870 (sort_vuses_heap): Likewise.
871 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
872 to re-use old VEC if available. Do not sort already sorted VUSEs.
873 (vdefs_to_vec): Do not sort already sorted VDEFs.
875 2008-01-08 Jakub Jelinek <jakub@redhat.com>
878 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
880 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
883 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
884 limitations of reciprocal sequences on x86 targets.
886 2008-01-08 Richard Guenther <rguenther@suse.de>
888 PR tree-optimization/34683
889 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
891 2008-01-07 Jakub Jelinek <jakub@redhat.com>
894 * config/darwin.c (darwin_mergeable_string_section): Don't use
895 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
897 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
900 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
901 negxf2. Macroize expander using X87MODEF mode iterator. Change
902 predicates of op0 and op1 to register_operand.
903 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
904 expander using X87MODEF mode iterator. Change predicates of
905 op0 and op1 to register_operand.
906 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
907 corresponding patterns and macroize using MODEF macro. Change
908 predicates of op0 and op1 to register_operand and remove
909 "m" constraint. Disparage "r" alternative with "!".
910 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
911 macroize using X87MODEF macro. Change predicates of op0 and op1
912 to register_operand and remove "m" constraint. Disparage "r"
913 alternative with "!".
914 (absneg splitter with memory operands): Remove.
915 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
916 patterns and macroize using X87MODEF mode iterator.
917 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
918 Change predicate of op1 to register_operand.
919 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
922 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
924 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
926 2008-01-07 Richard Guenther <rguenther@suse.de>
928 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
931 2008-01-07 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/34683
934 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
935 VOPs of the needed size to save memory. Use VEC_quick_push
936 to save compile-time.
937 (vdefs_to_vec): Likewise.
939 2008-01-07 Sa Liu <saliu@de.ibm.com>
941 * config/spu/spu.md (divdf3): Genetate inline code for double
942 division. The implementation doesn't handle INF or NAN, therefore it
943 only applies when -ffinite-math-only is given.
945 2008-01-06 Paolo Carlini <pcarlini@suse.de>
948 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
949 * doc/cpp.texi ([Common Predefined Macros]): Document.
951 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
953 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
954 order to use commutative addition instead of subtraction.
956 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
957 Mircea Namolaru <namolaru@il.ibm.com>
958 Vladimir Yanovsky <yanov@il.ibm.com>
959 Revital Eres <eres@il.ibm.com>
961 PR tree-optimization/34263
962 * tree-outof-ssa.c (process_single_block_loop_latch,
963 contains_tree_r): New functions.
964 (analyze_edges_for_bb): Call process_single_block_loop_latch
965 function to empty single-basic-block latch block if possible.
967 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
969 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
971 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
973 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
975 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
977 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
979 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
981 2008-01-05 Jakub Jelinek <jakub@redhat.com>
983 PR tree-optimization/34618
984 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
987 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
990 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
991 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
992 Update copyright year.
994 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
995 Update copyright year.
996 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
999 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1001 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1002 edge does not point to current bb before changing need_assert.
1004 2008-01-04 Richard Guenther <rguenther@suse.de>
1007 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1008 for verifying purposes if they are is_gimple_min_invariant.
1010 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1012 PR tree-optimization/34448
1013 PR tree-optimization/34465
1014 * gimplify.c (gimplify_init_constructor): Add new parameter
1015 notify_temp_creation. Use it.
1016 (gimplify_modify_expr_rhs): Take volatiles into account when
1017 optimizing constructors.
1018 Do not optimize constructors if gimplify_init_constructor will dump to
1020 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1021 * gcc.c-torture/compile/pr34448.c: New.
1023 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1025 PR gcov-profile/34609
1026 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1027 return_slot if result is TREE_ADDRESSABLE.
1029 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1031 * config/mips/mips.md (sqrt_condition): Tweak comment.
1032 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1034 2008-01-03 Tom Tromey <tromey@redhat.com>
1037 * c-common.c (c_type_hash): Handle VLAs.
1039 2008-01-03 Jan Hubicka <jh@suse.cz>
1041 PR tree-optimization/31081
1042 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1043 0 when inlining and not inlining to first basic block.
1044 (remap_decl): When var is initialized to 0, don't set default_def.
1045 (expand_call_inline): Set entry_bb.
1046 * tree-inline.h (copy_body_data): Add entry_bb.
1048 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1051 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1054 PR tree-optimization/29484
1055 * tree-inline.c (inline_forbidden_p_2): New function.
1056 (inline_forbidden_p): Disallow inlining if some static var
1057 has an address of a local LABEL_DECL in its initializer.
1058 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1061 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1063 PR tree-optimization/34635
1064 * tree-data-ref.c (add_other_self_distances): Make sure that the
1065 evolution step is constant.
1067 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1070 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1072 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1074 * tree-sra.c (scalarize_init): Insert the generate_element_init
1075 statements after the generate_element_zero statements.
1077 2008-01-02 Richard Guenther <rguenther@suse.de>
1081 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1082 for very large number of operands instead of ICEing.
1084 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1087 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1088 while stack probing.
1090 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1092 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1095 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1098 * tree-mudflap.c (mx_register_decls): Guard warning by
1099 !DECL_ARTIFICIAL check.
1101 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1103 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1104 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1105 sse5_perm<mode>): Fix constraints.