1 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3 * config/c4x: Remove directory.
4 * config.gcc (crx-*, mt-*): Mark obsolete.
5 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
7 sh-*-rtemscoff*): Remove cases.
8 * defaults.h (C4X_FLOAT_FORMAT): Remove.
9 * real.c (encode_c4x_single, decode_c4x_single,
10 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
11 c4x_extended_format): Remove.
12 * real.h (c4x_single_format, c4x_extended_format): Remove.
13 * doc/extend.texi (interrupt, naked): Remove mention of attributes
15 (Pragmas): Remove comment about c4x pragmas.
16 * doc/install.texi (c4x): Remove target-specific instructions.
17 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
18 * doc/md.texi (Machine Constraints): Remove C4x documentation.
19 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
20 refer to C4x source files as examples.
21 (C4X_FLOAT_FORMAT): Remove documentation.
23 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
25 * config/bfin/bfin.c (override_options): Reorder tests so that
26 flag_pic gets enabled for -msep-data.
28 2008-01-25 Richard Guenther <rguenther@suse.de>
31 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
32 to its bitfield precision if required.
34 2008-01-25 Jakub Jelinek <jakub@redhat.com>
37 * tree-nested.c (walk_omp_for): New function.
38 (convert_nonlocal_reference, convert_local_reference): Call
39 walk_omp_for on OMP_FOR.
40 (convert_call_expr): Call walk_body on OMP_FOR's
41 OMP_FOR_PRE_INIT_BODY.
43 2008-01-25 Richard Guenther <rguenther@suse.de>
45 PR tree-optimization/34966
46 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
47 default defs and PHI_NODEs we have to insert after the
50 2008-01-24 Nick Clifton <nickc@redhat.com>
52 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
53 Provide a default definition.
54 (LIBGCC2_UNITS_PER_WORD): Likewise.
56 * config/stormy16/stormy16.c: Include df.h for the prototype
57 for df_regs_ever_live_p.
58 (xstormy16_expand_builtin_va_start): Convert the stack offset
59 into a component_ref and then use POINTER_PLUS_EXPR to add it
60 to the incoming_virtual_args_rtx.
61 (xstormy16_gimplify_va_arg_expr): Rename to
62 xstormy16_gimplify_va_arg_expr.
63 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
64 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
65 xstormy16_gimplify_va_arg_expr.
66 Fix up some formatting issues.
68 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
69 Move to predicates.md.
70 (xs_hi_general_operand): Likewise.
71 (xs_hi_nonmemory_operand): Likewise.
72 * config/stormy16/predicates.md:
73 (xstormy16_carry_plus_operand): New predicate.
74 (xs_hi_general_operand): New predicate.
75 (xs_hi_nonmemory_operand): New predicate.
76 * config/stormy16/stormy16-protos.h:
77 (xstormy16_carry_plus_operand): Delete prototype.
78 (xs_hi_general_operand): Likewise.
79 (xs_hi_nonmemory_operand): Likewise.
81 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
82 modifiers as they are no longer needed and they can trigger
83 reload spill failures.
85 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
86 with a match_operand in order to help reload.
88 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
89 constraint with 'e' for the 8th alternative as this version of
90 the mov.w instruction only accepts the lower 8 registers.
92 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
95 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
96 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
99 2008-01-25 Jakub Jelinek <jakub@redhat.com>
102 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
104 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
106 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
108 (remove_structure): Update allocations list before removing structure.
110 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
112 * ipa-struct-reorg.c (is_safe_cond_expr,
113 create_new_stmts_for_cond_expr): Use integer_zerop function,
114 that recognize not only zero-pointer, but zero-integer too.
116 2008-01-25 Ben Elliston <bje@au.ibm.com>
119 * fixproto: Escape "." in sed expression that strips leading "./".
121 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
124 * gcc.c (SWITCH_OK): Removed.
125 (SWITCH_LIVE): Changed to bit.
126 (SWITCH_FALSE): Likewise.
127 (SWITCH_IGNORE): Likewise.
128 (switchstr): Change live_cond to unsigned int.
129 (process_command): Replace SWITCH_OK with 0.
130 (do_self_spec): Likewise.
131 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
132 (give_switch): Likewise.
133 (used_arg): Likewise.
134 (do_spec_1): Set the SWITCH_IGNORE bit.
135 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
136 bits. Set the SWITCH_LIVE bit.
138 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
140 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
142 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
144 PR tree-optimization/34472
145 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
146 parameter to a "bool *" and set *DATA to false if there is
147 an unsafe access. Do not delete the structure here.
148 (check_cond_exprs): Delete it here instead.
149 (check_cond_exprs, exclude_cold_structs): Do not increase
150 I when removing a structure.
152 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
155 * config/i386/i386.c (ix86_expand_vector_init): Consider only
156 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
158 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
161 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
162 a fixed vector for stack.
164 2008-01-24 Ben Elliston <bje@au.ibm.com>
167 * doc/gcc.texi (Software development): Add a direntry for g++.
169 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
171 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
172 stale and straggling -fforce-addr comments above.
174 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
176 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
177 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
179 2008-01-23 Michael Matz <matz@suse.de>
182 * dwarf2out.c (force_type_die): Use modified_type_die instead of
185 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
187 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
190 2008-01-23 Anatoly Sokolov <aesok@post.ru>
192 * config/avr/avr.c (avr_current_arch): New variable.
193 (avr_arch_types): Add 'avr31' and 'avr51' entries.
194 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
195 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
196 (avr_override_options): Init 'avr_current_arch'.
197 (base_arch_s): Move from here...
198 * config/avr/avr.h (base_arch_s): ... here. Add new members
199 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
200 'mega' to 'have_jmp_call'.
201 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
202 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
204 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
206 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
207 MULTILIB_MATCHES): (Ditto.).
209 2008-01-23 Richard Guenther <rguenther@suse.de>
212 * cgraphunit.c (cgraph_reset_node): Always mark the node
213 not reachable if it is not queued already.
215 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
217 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
218 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
219 (cputype_selected): New static variable.
220 (bfin_handle_option): Set it if -mcpu is used.
221 (override_option): Select default set of workarounds if no cpu type
222 selected on the command line.
223 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
225 From Michael Frysinger <michael.frysinger@analog.com>
226 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
227 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
229 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
230 for bf547, bf523, bf524, and bf526.
231 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
233 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
234 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
235 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
236 __ADSPBF547__ and __ADSPBF54x__ for bf547.
237 * doc/invoke.texi (Blackfin Options): Document that
238 -mcpu now accept bf547, bf523, bf524, and bf526.
240 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
242 PR rtl-optimization/34628
243 * combine.c (try_combine): Stop and undo after the first combination
244 if an autoincrement side-effect on the first insn has effectively
247 2008-01-22 David Edelsohn <edelsohn@gnu.org>
250 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
251 Offset addresses are not valid for Altivec or paired float modes.
253 2008-01-22 Jakub Jelinek <jakub@redhat.com>
256 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
257 if DECL_INITIAL (decl) is error_mark_node.
260 * c-common.c (handle_vector_size_attribute): Only allow
261 integral, scalar float and fixed point types. Handle OFFSET_TYPE
262 the same way as pointer, array etc. types.
263 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
266 * tree.c (build_type_attribute_qual_variant): Call
267 build_qualified_type if attributes are equal, but quals are not.
269 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
272 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
273 * flags.h (warn_strict_aliasing): Remove.
274 (warn_strict_overflow): Remove.
275 * opts.c (warn_strict_aliasing): Remove.
276 (warn_strict_overflow): Remove.
277 * c-opts.c (c_common_handle_option): -Wall only sets
278 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
279 (c_common_post_options): Give default values to -Wstrict-aliasing
280 and -Wstrict-overflow if they are uninitialized.
281 * common.opt (Wstrict-aliasing): Specify Var and Init.
282 (Wstrict-overflow): Likewise.
284 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
286 PR rtl-optimization/26854
287 PR rtl-optimization/34400
288 PR rtl-optimization/34884
289 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
291 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
292 (df_rd_bb_info.expanded_lr_out): Deleted
293 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
294 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
295 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
296 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
297 Removed code to allocate, initialize or free expanded_lr_out.
298 (df_rd_bb_local_compute_process_def): Restructured to make more
300 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
301 sets if the sets are being trimmed.
303 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
306 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
308 * configure: Regenerated.
310 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
313 * tree-pass.h (pass_build_alias): New pass.
314 * tree-ssa-alias.c (gate_build_alias): New.
315 (pass_build_alias): New.
316 * passes.c (init_optimization_passes): Add pass_build_alias after
317 pass_create_structure_vars.
319 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
321 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
322 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
323 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
324 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
325 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
326 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
327 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
328 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
329 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
330 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
331 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
332 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
333 * config/s390/s390.md (FP_ALL): New mode iterator.
334 (_d): New mode attribute.
335 ("*signbit<mode>2>"): Changed mode of first operand.
336 ("isinf<mode>2"): Changed mode of first operand.
337 ("*TDC_insn"): Adaptation for DFP modes.
339 2008-01-22 Ben Elliston <bje@au.ibm.com>
341 * tree.c (check_qualified_type): Improve function description.
343 2008-01-21 Jason Merrill <jason@redhat.com>
346 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
347 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
350 2008-01-21 DJ Delorie <dj@redhat.com>
352 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
355 2008-01-21 Richard Guenther <rguenther@suse.de>
358 * tree-cfg.c (verify_expr): Allow all invariant expressions
359 instead of just constant class ones as reference argument.
360 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
361 like any other constant.
362 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
364 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
366 * regmove.c (fixup_match_1): Update call crossed frequencies.
368 2008-01-21 Richard Guenther <rguenther@suse.de>
371 * tree-inline.c (setup_one_parameter): Deal with mismatched
372 types using a VIEW_CONVERT_EXPR.
374 2008-01-21 Alon Dayan <alond@il.ibm.com>
375 Olga Golovanevsky <olga@il.ibm.com>
377 PR tree-optimization/34701
378 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
379 when the structure size is not a power of 2.
381 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
383 * doc/install.texi: Add doc for --enable-checking=df.
385 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
387 PR rtl-optimization/34808
388 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
390 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
392 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
395 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
397 PR rtl-optimization/26854
398 PR rtl-optimization/34400
399 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
401 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
402 (df_rd_bb_info.expanded_lr_out): New.
403 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
404 * loop_iv.c (iv_analysis_loop_init): Ditto.
405 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
406 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
407 Added code to allocate, initialize or free expanded_lr_out.
408 (df_rd_bb_local_compute_process_def): Restructured to make
410 (df_rd_confluence_n): Add code to do nothing with fake edges and
411 code to no apply invalidate_by_call sets if the sets are being trimmed.
412 (df_lr_local_finalize): Renamed to df_lr_finalize.
413 (df_live_local_finalize): Renamed to df_live_finalize.
415 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
418 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
419 deciding whether to use reciprocal instructions.
421 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
423 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
424 dwarf2out_note_section_used if cold_text_section is NULL.
426 2008-01-19 Jakub Jelinek <jakub@redhat.com>
428 PR gcov-profile/34610
429 * tree-cfg.c (make_edges): Mark both outgoing edges from
430 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
431 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
432 from OMP_FOR and OMP_CONTINUE outgoing edges.
434 * tree-profile.c (tree_profiling): Return early if
435 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
437 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
438 from cfun to child_cfun.
439 * function.h (struct function): Add after_tree_profile bit.
441 2008-01-19 Anatoly Sokolov <aesok@post.ru>
443 * config/avr/avr.S (_exit): Disable interrupt.
445 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
446 Steven Bosscher <stevenb.gcc@gmail.com>
448 PR rtl-optimization/26854
449 PR rtl-optimization/34400
450 * df-problems.c (df_live_scratch): New scratch bitmap.
451 (df_live_alloc): Allocate df_live_scratch when doing df_live.
452 (df_live_reset): Clear the proper bitmaps.
453 (df_live_bb_local_compute): Only process the artificial defs once
454 since the order is not important.
455 (df_live_init): Init the df_live sets only with the variables
457 (df_live_transfer_function): Use the df_lr sets to prune the
458 df_live sets as they are being computed.
459 (df_live_free): Free df_live_scratch.
461 2008-01-18 Ian Lance Taylor <iant@google.com>
463 * common.opt: Add fmerge-debug-strings.
464 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
465 flag_merge_debug_strings rather than flag_merge_constants.
466 * doc/invoke.texi (Option Summary): Mention
467 -fmerge-debug-strings.
468 (Debugging Options): Document -fmerge-debug-strings.
470 2008-01-18 Ian Lance Taylor <iant@google.com>
473 * tree.h (DECL_IS_OPERATOR_NEW): Define.
474 (struct tree_function_decl): Add new field operator_new_flag.
475 * tree-inline.c (expand_call_inline): When inlining a call to
476 operator new, force the return value to go into a variable, and
477 set DECL_NO_TBAA_P on that variable.
478 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
480 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
483 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
484 DWARF2_DEBUGGING_INFO.
485 (dwarf2out_note_section_used): Ditto. Add prototype.
486 (have_multiple_function_sections, text_section_used,
487 cold_text_section_used, *cold_text_sections): Move declarations
490 2007-01-17 Bob Wilson <bob.wilson@acm.org>
492 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
493 field and add signal_ra.
494 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
495 assignments to frame state pc. Move end of stack check after
496 MD_FALLBACK_FRAME_STATE_FOR.
497 (uw_update_context_1): Use frame state signal_regs if set, instead
498 of checking signal_frame flag.
499 (uw_update_context): Use frame state signal_ra if set.
500 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
501 * config/xtensa/linux-unwind.h: New file.
503 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
505 * modulo-sched.c (get_sched_window): Fix comment typo.
507 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
509 PR tree-optimization/34648
510 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
512 2008-01-17 Anatoly Sokolov <aesok@post.ru>
514 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
515 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
517 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
519 PR rtl-optimization/34400
520 * df-core.c (df_worklist_dataflow_overeager,
521 df_worklist_dataflow_doublequeue): New functions.
522 (df_worklist_dataflow): Two different worklist solvers.
523 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
526 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
529 * doc/invoke.texi: Document the dependence on pthread for fopenmp
530 and ftree-parallelize-loops.
532 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
534 PR rtl-optimization/34826
535 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
537 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
539 * global.c (find_reg): Mark the eh regs as used if necessary.
540 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
541 * ra.h (struct allocno): no_eh_reg field added. Changed
542 no_stack_reg type to bitfield.
544 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
546 * tree.c (substitute_in_expr): Add missing 'break'.
548 2008-01-17 Richard Guenther <rguenther@suse.de>
550 PR tree-optimization/34825
551 * tree-ssa-math-opts.c (is_division_by): Do not recognize
552 x / x as division to handle.
554 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
556 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
557 "-pthread" is specified.
558 * pa-hpux11.h (LIB_SPEC): Likewise.
560 2007-01-16 Janis Johnson <janis187@us.ibm.com>
561 Peter Bergner <bergner@vnet.ibm.com>
563 PR rtl-optimization/33796
564 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
566 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
569 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
571 * pa-hpux10.h (LINK_SPEC): Likewise.
572 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
574 2008-01-16 Richard Guenther <rguenther@suse.de>
577 * fold-const.c (fold_convert_const_int_from_int): Do not
578 set overflow if that occured only because of a sign extension
579 change when converting from/to a sizetype with the same
580 precision and signedness.
582 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
585 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
586 location address to the correct place. Update copyright year.
588 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
590 * lambda-code.c (lambda_transform_legal_p): Handle the case of
591 no dependences in the dependence_relations vector.
593 2008-01-16 Jan Hubicka <jh@suse.cz>
595 PR rtl-optimization/31396
596 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
597 * cfg.c (dump_reg_info): Print it.
598 * regs.h (struct reg_info_t): add freq_calls_crossed.
599 (REG_FREQ_CALLS_CROSSED): New macro.
600 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
601 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
602 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
603 regmove_optimize): Update call crossed frequencies.
604 * local-alloc.c (struct qty): Add freq_calls_crossed.
605 (alloc_qty): Copute freq_calls_crossed.
606 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
607 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
608 * ra.h (struct allocno): Add freq_calls_crossed.
610 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
612 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
613 libgomp when compiling with ftree-parallelize-loops.
614 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
616 2008-01-16 Richard Guenther <rguenther@suse.de>
618 PR tree-optimization/34769
619 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
620 * tree.c (int_cst_value): Instead make this function more
621 permissive in what it accepts as valid input. Document this
622 function always sign-extends the value.
624 2008-01-16 Jakub Jelinek <jakub@redhat.com>
625 Richard Guenther <rguenther@suse.de>
628 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
629 (gimple_fold_indirect_ref_rhs): ... this.
630 (gimple_fold_indirect_ref): New function with foldings
631 that preserve lvalueness.
632 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
633 * tree-flow.h (gimple_fold_indirect_ref): Declare.
634 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
635 to fold an INDIRECT_REF, fall back to the old use of
638 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
640 * tree-data-ref.c (subscript_dependence_tester_1): Call
641 free_conflict_function.
642 (compute_self_dependence): Same.
644 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
647 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
648 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
650 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
651 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
652 for DWARF2_UNWIND_INFO targets.
654 2008-01-16 Richard Guenther <rguenther@suse.de>
657 * c-typeck.c (common_pointer_type): Do not merge inconsistent
658 type qualifiers for function types.
660 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
662 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
663 loop_iterator li from previous commit.
665 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
667 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
669 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
671 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
672 (parallelize_loops): Don't parallelize irreducible components.
674 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
677 * c-opts (c_common_post_options): Do not enable CPP
678 flag_pedantic_errors by default.
680 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
682 PR rtl-optimization/31944
683 * cse.c (remove_pseudo_from_table): New function.
684 (merge_equiv_classes): Use above function to remove pseudo-registers.
685 (invalidate): Likewise.
687 2008-01-13 Richard Guenther <rguenther@suse.de>
690 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
691 instead of TYPE_MODE to deal with calls from expand_one_error_var.
693 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
695 * gcse.c (cprop_jump): Call validate_unshare_change instead of
696 validate_change to unshare the source of the PC set.
698 2008-01-12 Jan Hubicka <jh@suse.cz>
701 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
702 references above array bounds. This might trigger bounds checks for
705 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
707 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
708 new_replaceable_dependencies.
710 2008-01-12 Doug Kwan <dougkwan@google.com>
712 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
713 instead of OPT_Wreturn_type in warning due to ignored return type
715 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
716 options included in -Wextra.
717 * c.opt: New option -Wignored_qualifiers.
718 * doc/invoke.texi (Warning Options, -Wextra): Add new option
720 (-Wignored-qualifiers): Document.
721 (-Wreturn-type): Remove description of functionality now handled
722 by -Wignored-qualifiers.
724 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
727 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
728 NOP_EXPR if it is between integral types with the same precision.
730 2008-01-12 Jan Hubicka <jh@suse.cz>
733 * invoke.texi (max-inline-recursive-depth): Fix default value.
735 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
737 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
740 2008-01-11 Bob Wilson <bob.wilson@acm.org>
742 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
744 2008-01-11 James E. Wilson <wilson@specifix.com>
747 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
749 2008-01-11 Anatoly Sokolov <aesok@post.ru>
751 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
752 save/restore frame pointer register and don't use 'call-prologues'
753 optimization in function with "OS_task" attribute.
755 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
758 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
759 when copying to memory.
761 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
763 PR rtl-optimization/30905
764 * cfgcleanup.c: Include dce.h
765 (crossjumps_occured): New global variable.
766 (try_crossjump_bb): Exit loop after finding a fallthru edge.
767 If something changed, set crossjumps_occured to true.
768 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
769 Don't add/remove fake edges to exit here...
770 (cleanup_cfg): ...but do it here, when crossjumping.
771 Run a fast DCE when successful crossjumps occured in the latest
772 iteration of try_optimize_cfg.
774 2008-01-11 Richard Guenther <rguenther@suse.de>
776 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
777 (struct vn_unary_op_s): Likewise.
778 (vn_reference_insert): Free old reference on hash collision.
780 2008-01-10 Raksit Ashok <raksit@google.com>
782 PR rtl-optimization/27971
783 * combine.c (find_split_point): Split PLUS expressions which are
784 inside a MEM rtx, and whose first operand is complex.
786 2008-01-10 DJ Delorie <dj@redhat.com>
788 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
789 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
790 (m32c_hard_regno_ok): Call the underlying function.
792 2008-01-10 Richard Guenther <rguenther@suse.de>
795 * tree-cfg.c (tree_merge_blocks): Do not go through the
796 full-blown folding and stmt updating path if we just deal
797 with virtual operands.
798 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
799 test for abnormal SSA_NAMEs.
801 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
804 * reload.c (push_reload): Add assertions. All constants from
805 reg_equiv_constant should have been used for replacing the respective
807 (find_reloads_address): Invoke find_reloads_address_part for
808 constant taken from the reg_equiv_constant array.
810 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
812 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
813 field (valnum) the first in the struct. Replace bools with
816 2008-01-10 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/34651
819 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
820 types and ordering for masking and converting.
822 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
824 PR tree-optimization/34017
825 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
826 also for PHI_NODE expressions.
828 2008-01-09 Jan Hubicka <jh@suse.cz>
830 PR tree-optimization/34708
831 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
832 based on number of case labels.
833 (init_inline_once): Remove switch_cost.
834 * tree-inline.h (eni_weights_d): Remove switch_cost.
836 2008-01-09 Richard Guenther <rguenther@suse.de>
837 Andrew Pinski <andrew_pinski@playstation.sony.com>
840 * gimplify.c (gimplify_cond_expr): Do not create an addressable
841 temporary if an rvalue is ok or an lvalue is not required.
843 2008-01-09 Richard Guenther <rguenther@suse.de>
846 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
849 2008-01-09 Richard Guenther <rguenther@suse.de>
852 * tree.c (host_integerp): Check for sizetype only if the
853 type is an integer type.
855 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
858 * opts.c (decode_options): Disable inlining of functions called
859 once if not in unit-at-a-time mode.
861 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
863 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
865 2008-01-08 Richard Guenther <rguenther@suse.de>
868 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
869 out early if the result will be unused.
871 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
876 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
877 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
880 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
882 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
883 for vectorization tuned.
885 2008-01-08 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/34683
888 * tree-ssa-operands.c (operand_build_cmp): Export.
889 * tree-ssa-operands.h (operand_build_cmp): Declare.
890 * tree-vn.c (vuses_compare): Remove.
891 (sort_vuses): Use operand_build_cmp.
892 (sort_vuses_heap): Likewise.
893 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
894 to re-use old VEC if available. Do not sort already sorted VUSEs.
895 (vdefs_to_vec): Do not sort already sorted VDEFs.
897 2008-01-08 Jakub Jelinek <jakub@redhat.com>
900 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
902 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
905 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
906 limitations of reciprocal sequences on x86 targets.
908 2008-01-08 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/34683
911 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
913 2008-01-07 Jakub Jelinek <jakub@redhat.com>
916 * config/darwin.c (darwin_mergeable_string_section): Don't use
917 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
919 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
922 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
923 negxf2. Macroize expander using X87MODEF mode iterator. Change
924 predicates of op0 and op1 to register_operand.
925 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
926 expander using X87MODEF mode iterator. Change predicates of
927 op0 and op1 to register_operand.
928 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
929 corresponding patterns and macroize using MODEF macro. Change
930 predicates of op0 and op1 to register_operand and remove
931 "m" constraint. Disparage "r" alternative with "!".
932 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
933 macroize using X87MODEF macro. Change predicates of op0 and op1
934 to register_operand and remove "m" constraint. Disparage "r"
935 alternative with "!".
936 (absneg splitter with memory operands): Remove.
937 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
938 patterns and macroize using X87MODEF mode iterator.
939 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
940 Change predicate of op1 to register_operand.
941 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
944 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
946 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
948 2008-01-07 Richard Guenther <rguenther@suse.de>
950 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
953 2008-01-07 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/34683
956 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
957 VOPs of the needed size to save memory. Use VEC_quick_push
958 to save compile-time.
959 (vdefs_to_vec): Likewise.
961 2008-01-07 Sa Liu <saliu@de.ibm.com>
963 * config/spu/spu.md (divdf3): Genetate inline code for double
964 division. The implementation doesn't handle INF or NAN, therefore it
965 only applies when -ffinite-math-only is given.
967 2008-01-06 Paolo Carlini <pcarlini@suse.de>
970 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
971 * doc/cpp.texi ([Common Predefined Macros]): Document.
973 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
975 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
976 order to use commutative addition instead of subtraction.
978 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
979 Mircea Namolaru <namolaru@il.ibm.com>
980 Vladimir Yanovsky <yanov@il.ibm.com>
981 Revital Eres <eres@il.ibm.com>
983 PR tree-optimization/34263
984 * tree-outof-ssa.c (process_single_block_loop_latch,
985 contains_tree_r): New functions.
986 (analyze_edges_for_bb): Call process_single_block_loop_latch
987 function to empty single-basic-block latch block if possible.
989 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
991 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
993 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
995 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
997 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
999 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1001 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1003 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1005 PR tree-optimization/34618
1006 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1009 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1012 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1013 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1014 Update copyright year.
1016 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1017 Update copyright year.
1018 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1021 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1023 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1024 edge does not point to current bb before changing need_assert.
1026 2008-01-04 Richard Guenther <rguenther@suse.de>
1029 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1030 for verifying purposes if they are is_gimple_min_invariant.
1032 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1034 PR tree-optimization/34448
1035 PR tree-optimization/34465
1036 * gimplify.c (gimplify_init_constructor): Add new parameter
1037 notify_temp_creation. Use it.
1038 (gimplify_modify_expr_rhs): Take volatiles into account when
1039 optimizing constructors.
1040 Do not optimize constructors if gimplify_init_constructor will dump to
1042 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1043 * gcc.c-torture/compile/pr34448.c: New.
1045 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1047 PR gcov-profile/34609
1048 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1049 return_slot if result is TREE_ADDRESSABLE.
1051 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1053 * config/mips/mips.md (sqrt_condition): Tweak comment.
1054 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1056 2008-01-03 Tom Tromey <tromey@redhat.com>
1059 * c-common.c (c_type_hash): Handle VLAs.
1061 2008-01-03 Jan Hubicka <jh@suse.cz>
1063 PR tree-optimization/31081
1064 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1065 0 when inlining and not inlining to first basic block.
1066 (remap_decl): When var is initialized to 0, don't set default_def.
1067 (expand_call_inline): Set entry_bb.
1068 * tree-inline.h (copy_body_data): Add entry_bb.
1070 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1073 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1076 PR tree-optimization/29484
1077 * tree-inline.c (inline_forbidden_p_2): New function.
1078 (inline_forbidden_p): Disallow inlining if some static var
1079 has an address of a local LABEL_DECL in its initializer.
1080 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1083 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1085 PR tree-optimization/34635
1086 * tree-data-ref.c (add_other_self_distances): Make sure that the
1087 evolution step is constant.
1089 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1092 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1094 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1096 * tree-sra.c (scalarize_init): Insert the generate_element_init
1097 statements after the generate_element_zero statements.
1099 2008-01-02 Richard Guenther <rguenther@suse.de>
1103 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1104 for very large number of operands instead of ICEing.
1106 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1109 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1110 while stack probing.
1112 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1114 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1117 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1120 * tree-mudflap.c (mx_register_decls): Guard warning by
1121 !DECL_ARTIFICIAL check.
1123 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1125 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1126 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1127 sse5_perm<mode>): Fix constraints.