1 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4 * doc/install.texi2html: Generate gcc-vers.texi.
6 2008-01-25 DJ Delorie <dj@redhat.com>
8 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10 2008-01-25 Joseph Myers <joseph@codesourcery.com>
12 * config/c4x: Remove directory.
13 * config.gcc (crx-*, mt-*): Mark obsolete.
14 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
15 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
16 sh-*-rtemscoff*): Remove cases.
17 * defaults.h (C4X_FLOAT_FORMAT): Remove.
18 * real.c (encode_c4x_single, decode_c4x_single,
19 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
20 c4x_extended_format): Remove.
21 * real.h (c4x_single_format, c4x_extended_format): Remove.
22 * doc/extend.texi (interrupt, naked): Remove mention of attributes
24 (Pragmas): Remove comment about c4x pragmas.
25 * doc/install.texi (c4x): Remove target-specific instructions.
26 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
27 * doc/md.texi (Machine Constraints): Remove C4x documentation.
28 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
29 refer to C4x source files as examples.
30 (C4X_FLOAT_FORMAT): Remove documentation.
32 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
34 * config/bfin/bfin.c (override_options): Reorder tests so that
35 flag_pic gets enabled for -msep-data.
37 2008-01-25 Richard Guenther <rguenther@suse.de>
40 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
41 to its bitfield precision if required.
43 2008-01-25 Jakub Jelinek <jakub@redhat.com>
46 * tree-nested.c (walk_omp_for): New function.
47 (convert_nonlocal_reference, convert_local_reference): Call
48 walk_omp_for on OMP_FOR.
49 (convert_call_expr): Call walk_body on OMP_FOR's
50 OMP_FOR_PRE_INIT_BODY.
52 2008-01-25 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/34966
55 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
56 default defs and PHI_NODEs we have to insert after the
59 2008-01-24 Nick Clifton <nickc@redhat.com>
61 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
62 Provide a default definition.
63 (LIBGCC2_UNITS_PER_WORD): Likewise.
65 * config/stormy16/stormy16.c: Include df.h for the prototype
66 for df_regs_ever_live_p.
67 (xstormy16_expand_builtin_va_start): Convert the stack offset
68 into a component_ref and then use POINTER_PLUS_EXPR to add it
69 to the incoming_virtual_args_rtx.
70 (xstormy16_gimplify_va_arg_expr): Rename to
71 xstormy16_gimplify_va_arg_expr.
72 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
73 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
74 xstormy16_gimplify_va_arg_expr.
75 Fix up some formatting issues.
77 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
78 Move to predicates.md.
79 (xs_hi_general_operand): Likewise.
80 (xs_hi_nonmemory_operand): Likewise.
81 * config/stormy16/predicates.md:
82 (xstormy16_carry_plus_operand): New predicate.
83 (xs_hi_general_operand): New predicate.
84 (xs_hi_nonmemory_operand): New predicate.
85 * config/stormy16/stormy16-protos.h:
86 (xstormy16_carry_plus_operand): Delete prototype.
87 (xs_hi_general_operand): Likewise.
88 (xs_hi_nonmemory_operand): Likewise.
90 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
91 modifiers as they are no longer needed and they can trigger
92 reload spill failures.
94 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
95 with a match_operand in order to help reload.
97 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
98 constraint with 'e' for the 8th alternative as this version of
99 the mov.w instruction only accepts the lower 8 registers.
101 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
104 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
105 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
108 2008-01-25 Jakub Jelinek <jakub@redhat.com>
111 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
113 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
115 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
117 (remove_structure): Update allocations list before removing structure.
119 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
121 * ipa-struct-reorg.c (is_safe_cond_expr,
122 create_new_stmts_for_cond_expr): Use integer_zerop function,
123 that recognize not only zero-pointer, but zero-integer too.
125 2008-01-25 Ben Elliston <bje@au.ibm.com>
128 * fixproto: Escape "." in sed expression that strips leading "./".
130 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
133 * gcc.c (SWITCH_OK): Removed.
134 (SWITCH_LIVE): Changed to bit.
135 (SWITCH_FALSE): Likewise.
136 (SWITCH_IGNORE): Likewise.
137 (switchstr): Change live_cond to unsigned int.
138 (process_command): Replace SWITCH_OK with 0.
139 (do_self_spec): Likewise.
140 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
141 (give_switch): Likewise.
142 (used_arg): Likewise.
143 (do_spec_1): Set the SWITCH_IGNORE bit.
144 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
145 bits. Set the SWITCH_LIVE bit.
147 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
149 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
151 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
153 PR tree-optimization/34472
154 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
155 parameter to a "bool *" and set *DATA to false if there is
156 an unsafe access. Do not delete the structure here.
157 (check_cond_exprs): Delete it here instead.
158 (check_cond_exprs, exclude_cold_structs): Do not increase
159 I when removing a structure.
161 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
164 * config/i386/i386.c (ix86_expand_vector_init): Consider only
165 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
167 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
170 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
171 a fixed vector for stack.
173 2008-01-24 Ben Elliston <bje@au.ibm.com>
176 * doc/gcc.texi (Software development): Add a direntry for g++.
178 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
180 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
181 stale and straggling -fforce-addr comments above.
183 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
185 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
186 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
188 2008-01-23 Michael Matz <matz@suse.de>
191 * dwarf2out.c (force_type_die): Use modified_type_die instead of
194 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
196 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
199 2008-01-23 Anatoly Sokolov <aesok@post.ru>
201 * config/avr/avr.c (avr_current_arch): New variable.
202 (avr_arch_types): Add 'avr31' and 'avr51' entries.
203 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
204 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
205 (avr_override_options): Init 'avr_current_arch'.
206 (base_arch_s): Move from here...
207 * config/avr/avr.h (base_arch_s): ... here. Add new members
208 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
209 'mega' to 'have_jmp_call'.
210 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
211 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
213 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
215 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
216 MULTILIB_MATCHES): (Ditto.).
218 2008-01-23 Richard Guenther <rguenther@suse.de>
221 * cgraphunit.c (cgraph_reset_node): Always mark the node
222 not reachable if it is not queued already.
224 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
226 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
227 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
228 (cputype_selected): New static variable.
229 (bfin_handle_option): Set it if -mcpu is used.
230 (override_option): Select default set of workarounds if no cpu type
231 selected on the command line.
232 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
234 From Michael Frysinger <michael.frysinger@analog.com>
235 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
236 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
238 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
239 for bf547, bf523, bf524, and bf526.
240 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
242 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
243 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
244 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
245 __ADSPBF547__ and __ADSPBF54x__ for bf547.
246 * doc/invoke.texi (Blackfin Options): Document that
247 -mcpu now accept bf547, bf523, bf524, and bf526.
249 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
251 PR rtl-optimization/34628
252 * combine.c (try_combine): Stop and undo after the first combination
253 if an autoincrement side-effect on the first insn has effectively
256 2008-01-22 David Edelsohn <edelsohn@gnu.org>
259 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
260 Offset addresses are not valid for Altivec or paired float modes.
262 2008-01-22 Jakub Jelinek <jakub@redhat.com>
265 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
266 if DECL_INITIAL (decl) is error_mark_node.
269 * c-common.c (handle_vector_size_attribute): Only allow
270 integral, scalar float and fixed point types. Handle OFFSET_TYPE
271 the same way as pointer, array etc. types.
272 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
275 * tree.c (build_type_attribute_qual_variant): Call
276 build_qualified_type if attributes are equal, but quals are not.
278 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
281 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
282 * flags.h (warn_strict_aliasing): Remove.
283 (warn_strict_overflow): Remove.
284 * opts.c (warn_strict_aliasing): Remove.
285 (warn_strict_overflow): Remove.
286 * c-opts.c (c_common_handle_option): -Wall only sets
287 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
288 (c_common_post_options): Give default values to -Wstrict-aliasing
289 and -Wstrict-overflow if they are uninitialized.
290 * common.opt (Wstrict-aliasing): Specify Var and Init.
291 (Wstrict-overflow): Likewise.
293 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
295 PR rtl-optimization/26854
296 PR rtl-optimization/34400
297 PR rtl-optimization/34884
298 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
300 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
301 (df_rd_bb_info.expanded_lr_out): Deleted
302 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
303 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
304 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
305 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
306 Removed code to allocate, initialize or free expanded_lr_out.
307 (df_rd_bb_local_compute_process_def): Restructured to make more
309 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
310 sets if the sets are being trimmed.
312 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
315 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
317 * configure: Regenerated.
319 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
322 * tree-pass.h (pass_build_alias): New pass.
323 * tree-ssa-alias.c (gate_build_alias): New.
324 (pass_build_alias): New.
325 * passes.c (init_optimization_passes): Add pass_build_alias after
326 pass_create_structure_vars.
328 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
330 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
331 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
332 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
333 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
334 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
335 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
336 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
337 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
338 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
339 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
340 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
341 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
342 * config/s390/s390.md (FP_ALL): New mode iterator.
343 (_d): New mode attribute.
344 ("*signbit<mode>2>"): Changed mode of first operand.
345 ("isinf<mode>2"): Changed mode of first operand.
346 ("*TDC_insn"): Adaptation for DFP modes.
348 2008-01-22 Ben Elliston <bje@au.ibm.com>
350 * tree.c (check_qualified_type): Improve function description.
352 2008-01-21 Jason Merrill <jason@redhat.com>
355 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
356 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
359 2008-01-21 DJ Delorie <dj@redhat.com>
361 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
364 2008-01-21 Richard Guenther <rguenther@suse.de>
367 * tree-cfg.c (verify_expr): Allow all invariant expressions
368 instead of just constant class ones as reference argument.
369 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
370 like any other constant.
371 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
373 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
375 * regmove.c (fixup_match_1): Update call crossed frequencies.
377 2008-01-21 Richard Guenther <rguenther@suse.de>
380 * tree-inline.c (setup_one_parameter): Deal with mismatched
381 types using a VIEW_CONVERT_EXPR.
383 2008-01-21 Alon Dayan <alond@il.ibm.com>
384 Olga Golovanevsky <olga@il.ibm.com>
386 PR tree-optimization/34701
387 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
388 when the structure size is not a power of 2.
390 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
392 * doc/install.texi: Add doc for --enable-checking=df.
394 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
396 PR rtl-optimization/34808
397 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
399 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
401 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
404 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
406 PR rtl-optimization/26854
407 PR rtl-optimization/34400
408 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
410 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
411 (df_rd_bb_info.expanded_lr_out): New.
412 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
413 * loop_iv.c (iv_analysis_loop_init): Ditto.
414 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
415 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
416 Added code to allocate, initialize or free expanded_lr_out.
417 (df_rd_bb_local_compute_process_def): Restructured to make
419 (df_rd_confluence_n): Add code to do nothing with fake edges and
420 code to no apply invalidate_by_call sets if the sets are being trimmed.
421 (df_lr_local_finalize): Renamed to df_lr_finalize.
422 (df_live_local_finalize): Renamed to df_live_finalize.
424 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
427 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
428 deciding whether to use reciprocal instructions.
430 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
432 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
433 dwarf2out_note_section_used if cold_text_section is NULL.
435 2008-01-19 Jakub Jelinek <jakub@redhat.com>
437 PR gcov-profile/34610
438 * tree-cfg.c (make_edges): Mark both outgoing edges from
439 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
440 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
441 from OMP_FOR and OMP_CONTINUE outgoing edges.
443 * tree-profile.c (tree_profiling): Return early if
444 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
446 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
447 from cfun to child_cfun.
448 * function.h (struct function): Add after_tree_profile bit.
450 2008-01-19 Anatoly Sokolov <aesok@post.ru>
452 * config/avr/avr.S (_exit): Disable interrupt.
454 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
455 Steven Bosscher <stevenb.gcc@gmail.com>
457 PR rtl-optimization/26854
458 PR rtl-optimization/34400
459 * df-problems.c (df_live_scratch): New scratch bitmap.
460 (df_live_alloc): Allocate df_live_scratch when doing df_live.
461 (df_live_reset): Clear the proper bitmaps.
462 (df_live_bb_local_compute): Only process the artificial defs once
463 since the order is not important.
464 (df_live_init): Init the df_live sets only with the variables
466 (df_live_transfer_function): Use the df_lr sets to prune the
467 df_live sets as they are being computed.
468 (df_live_free): Free df_live_scratch.
470 2008-01-18 Ian Lance Taylor <iant@google.com>
472 * common.opt: Add fmerge-debug-strings.
473 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
474 flag_merge_debug_strings rather than flag_merge_constants.
475 * doc/invoke.texi (Option Summary): Mention
476 -fmerge-debug-strings.
477 (Debugging Options): Document -fmerge-debug-strings.
479 2008-01-18 Ian Lance Taylor <iant@google.com>
482 * tree.h (DECL_IS_OPERATOR_NEW): Define.
483 (struct tree_function_decl): Add new field operator_new_flag.
484 * tree-inline.c (expand_call_inline): When inlining a call to
485 operator new, force the return value to go into a variable, and
486 set DECL_NO_TBAA_P on that variable.
487 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
489 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
492 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
493 DWARF2_DEBUGGING_INFO.
494 (dwarf2out_note_section_used): Ditto. Add prototype.
495 (have_multiple_function_sections, text_section_used,
496 cold_text_section_used, *cold_text_sections): Move declarations
499 2007-01-17 Bob Wilson <bob.wilson@acm.org>
501 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
502 field and add signal_ra.
503 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
504 assignments to frame state pc. Move end of stack check after
505 MD_FALLBACK_FRAME_STATE_FOR.
506 (uw_update_context_1): Use frame state signal_regs if set, instead
507 of checking signal_frame flag.
508 (uw_update_context): Use frame state signal_ra if set.
509 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
510 * config/xtensa/linux-unwind.h: New file.
512 2007-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
514 * modulo-sched.c (get_sched_window): Fix comment typo.
516 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
518 PR tree-optimization/34648
519 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
521 2008-01-17 Anatoly Sokolov <aesok@post.ru>
523 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
524 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
526 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
528 PR rtl-optimization/34400
529 * df-core.c (df_worklist_dataflow_overeager,
530 df_worklist_dataflow_doublequeue): New functions.
531 (df_worklist_dataflow): Two different worklist solvers.
532 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
535 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
538 * doc/invoke.texi: Document the dependence on pthread for fopenmp
539 and ftree-parallelize-loops.
541 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
543 PR rtl-optimization/34826
544 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
546 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
548 * global.c (find_reg): Mark the eh regs as used if necessary.
549 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
550 * ra.h (struct allocno): no_eh_reg field added. Changed
551 no_stack_reg type to bitfield.
553 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
555 * tree.c (substitute_in_expr): Add missing 'break'.
557 2008-01-17 Richard Guenther <rguenther@suse.de>
559 PR tree-optimization/34825
560 * tree-ssa-math-opts.c (is_division_by): Do not recognize
561 x / x as division to handle.
563 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
565 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
566 "-pthread" is specified.
567 * pa-hpux11.h (LIB_SPEC): Likewise.
569 2007-01-16 Janis Johnson <janis187@us.ibm.com>
570 Peter Bergner <bergner@vnet.ibm.com>
572 PR rtl-optimization/33796
573 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
575 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
578 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
580 * pa-hpux10.h (LINK_SPEC): Likewise.
581 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
583 2008-01-16 Richard Guenther <rguenther@suse.de>
586 * fold-const.c (fold_convert_const_int_from_int): Do not
587 set overflow if that occured only because of a sign extension
588 change when converting from/to a sizetype with the same
589 precision and signedness.
591 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
594 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
595 location address to the correct place. Update copyright year.
597 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
599 * lambda-code.c (lambda_transform_legal_p): Handle the case of
600 no dependences in the dependence_relations vector.
602 2008-01-16 Jan Hubicka <jh@suse.cz>
604 PR rtl-optimization/31396
605 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
606 * cfg.c (dump_reg_info): Print it.
607 * regs.h (struct reg_info_t): add freq_calls_crossed.
608 (REG_FREQ_CALLS_CROSSED): New macro.
609 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
610 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
611 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
612 regmove_optimize): Update call crossed frequencies.
613 * local-alloc.c (struct qty): Add freq_calls_crossed.
614 (alloc_qty): Copute freq_calls_crossed.
615 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
616 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
617 * ra.h (struct allocno): Add freq_calls_crossed.
619 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
621 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
622 libgomp when compiling with ftree-parallelize-loops.
623 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
625 2008-01-16 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/34769
628 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
629 * tree.c (int_cst_value): Instead make this function more
630 permissive in what it accepts as valid input. Document this
631 function always sign-extends the value.
633 2008-01-16 Jakub Jelinek <jakub@redhat.com>
634 Richard Guenther <rguenther@suse.de>
637 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
638 (gimple_fold_indirect_ref_rhs): ... this.
639 (gimple_fold_indirect_ref): New function with foldings
640 that preserve lvalueness.
641 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
642 * tree-flow.h (gimple_fold_indirect_ref): Declare.
643 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
644 to fold an INDIRECT_REF, fall back to the old use of
647 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
649 * tree-data-ref.c (subscript_dependence_tester_1): Call
650 free_conflict_function.
651 (compute_self_dependence): Same.
653 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
656 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
657 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
659 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
660 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
661 for DWARF2_UNWIND_INFO targets.
663 2008-01-16 Richard Guenther <rguenther@suse.de>
666 * c-typeck.c (common_pointer_type): Do not merge inconsistent
667 type qualifiers for function types.
669 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
671 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
672 loop_iterator li from previous commit.
674 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
676 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
678 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
680 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
681 (parallelize_loops): Don't parallelize irreducible components.
683 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
686 * c-opts (c_common_post_options): Do not enable CPP
687 flag_pedantic_errors by default.
689 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
691 PR rtl-optimization/31944
692 * cse.c (remove_pseudo_from_table): New function.
693 (merge_equiv_classes): Use above function to remove pseudo-registers.
694 (invalidate): Likewise.
696 2008-01-13 Richard Guenther <rguenther@suse.de>
699 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
700 instead of TYPE_MODE to deal with calls from expand_one_error_var.
702 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
704 * gcse.c (cprop_jump): Call validate_unshare_change instead of
705 validate_change to unshare the source of the PC set.
707 2008-01-12 Jan Hubicka <jh@suse.cz>
710 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
711 references above array bounds. This might trigger bounds checks for
714 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
716 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
717 new_replaceable_dependencies.
719 2008-01-12 Doug Kwan <dougkwan@google.com>
721 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
722 instead of OPT_Wreturn_type in warning due to ignored return type
724 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
725 options included in -Wextra.
726 * c.opt: New option -Wignored_qualifiers.
727 * doc/invoke.texi (Warning Options, -Wextra): Add new option
729 (-Wignored-qualifiers): Document.
730 (-Wreturn-type): Remove description of functionality now handled
731 by -Wignored-qualifiers.
733 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
736 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
737 NOP_EXPR if it is between integral types with the same precision.
739 2008-01-12 Jan Hubicka <jh@suse.cz>
742 * invoke.texi (max-inline-recursive-depth): Fix default value.
744 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
746 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
749 2008-01-11 Bob Wilson <bob.wilson@acm.org>
751 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
753 2008-01-11 James E. Wilson <wilson@specifix.com>
756 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
758 2008-01-11 Anatoly Sokolov <aesok@post.ru>
760 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
761 save/restore frame pointer register and don't use 'call-prologues'
762 optimization in function with "OS_task" attribute.
764 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
767 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
768 when copying to memory.
770 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
772 PR rtl-optimization/30905
773 * cfgcleanup.c: Include dce.h
774 (crossjumps_occured): New global variable.
775 (try_crossjump_bb): Exit loop after finding a fallthru edge.
776 If something changed, set crossjumps_occured to true.
777 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
778 Don't add/remove fake edges to exit here...
779 (cleanup_cfg): ...but do it here, when crossjumping.
780 Run a fast DCE when successful crossjumps occured in the latest
781 iteration of try_optimize_cfg.
783 2008-01-11 Richard Guenther <rguenther@suse.de>
785 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
786 (struct vn_unary_op_s): Likewise.
787 (vn_reference_insert): Free old reference on hash collision.
789 2008-01-10 Raksit Ashok <raksit@google.com>
791 PR rtl-optimization/27971
792 * combine.c (find_split_point): Split PLUS expressions which are
793 inside a MEM rtx, and whose first operand is complex.
795 2008-01-10 DJ Delorie <dj@redhat.com>
797 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
798 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
799 (m32c_hard_regno_ok): Call the underlying function.
801 2008-01-10 Richard Guenther <rguenther@suse.de>
804 * tree-cfg.c (tree_merge_blocks): Do not go through the
805 full-blown folding and stmt updating path if we just deal
806 with virtual operands.
807 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
808 test for abnormal SSA_NAMEs.
810 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
813 * reload.c (push_reload): Add assertions. All constants from
814 reg_equiv_constant should have been used for replacing the respective
816 (find_reloads_address): Invoke find_reloads_address_part for
817 constant taken from the reg_equiv_constant array.
819 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
821 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
822 field (valnum) the first in the struct. Replace bools with
825 2008-01-10 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/34651
828 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
829 types and ordering for masking and converting.
831 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
833 PR tree-optimization/34017
834 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
835 also for PHI_NODE expressions.
837 2008-01-09 Jan Hubicka <jh@suse.cz>
839 PR tree-optimization/34708
840 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
841 based on number of case labels.
842 (init_inline_once): Remove switch_cost.
843 * tree-inline.h (eni_weights_d): Remove switch_cost.
845 2008-01-09 Richard Guenther <rguenther@suse.de>
846 Andrew Pinski <andrew_pinski@playstation.sony.com>
849 * gimplify.c (gimplify_cond_expr): Do not create an addressable
850 temporary if an rvalue is ok or an lvalue is not required.
852 2008-01-09 Richard Guenther <rguenther@suse.de>
855 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
858 2008-01-09 Richard Guenther <rguenther@suse.de>
861 * tree.c (host_integerp): Check for sizetype only if the
862 type is an integer type.
864 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
867 * opts.c (decode_options): Disable inlining of functions called
868 once if not in unit-at-a-time mode.
870 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
872 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
874 2008-01-08 Richard Guenther <rguenther@suse.de>
877 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
878 out early if the result will be unused.
880 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
885 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
886 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
889 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
891 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
892 for vectorization tuned.
894 2008-01-08 Richard Guenther <rguenther@suse.de>
896 PR tree-optimization/34683
897 * tree-ssa-operands.c (operand_build_cmp): Export.
898 * tree-ssa-operands.h (operand_build_cmp): Declare.
899 * tree-vn.c (vuses_compare): Remove.
900 (sort_vuses): Use operand_build_cmp.
901 (sort_vuses_heap): Likewise.
902 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
903 to re-use old VEC if available. Do not sort already sorted VUSEs.
904 (vdefs_to_vec): Do not sort already sorted VDEFs.
906 2008-01-08 Jakub Jelinek <jakub@redhat.com>
909 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
911 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
914 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
915 limitations of reciprocal sequences on x86 targets.
917 2008-01-08 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/34683
920 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
922 2008-01-07 Jakub Jelinek <jakub@redhat.com>
925 * config/darwin.c (darwin_mergeable_string_section): Don't use
926 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
928 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
931 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
932 negxf2. Macroize expander using X87MODEF mode iterator. Change
933 predicates of op0 and op1 to register_operand.
934 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
935 expander using X87MODEF mode iterator. Change predicates of
936 op0 and op1 to register_operand.
937 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
938 corresponding patterns and macroize using MODEF macro. Change
939 predicates of op0 and op1 to register_operand and remove
940 "m" constraint. Disparage "r" alternative with "!".
941 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
942 macroize using X87MODEF macro. Change predicates of op0 and op1
943 to register_operand and remove "m" constraint. Disparage "r"
944 alternative with "!".
945 (absneg splitter with memory operands): Remove.
946 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
947 patterns and macroize using X87MODEF mode iterator.
948 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
949 Change predicate of op1 to register_operand.
950 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
953 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
955 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
957 2008-01-07 Richard Guenther <rguenther@suse.de>
959 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
962 2008-01-07 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/34683
965 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
966 VOPs of the needed size to save memory. Use VEC_quick_push
967 to save compile-time.
968 (vdefs_to_vec): Likewise.
970 2008-01-07 Sa Liu <saliu@de.ibm.com>
972 * config/spu/spu.md (divdf3): Genetate inline code for double
973 division. The implementation doesn't handle INF or NAN, therefore it
974 only applies when -ffinite-math-only is given.
976 2008-01-06 Paolo Carlini <pcarlini@suse.de>
979 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
980 * doc/cpp.texi ([Common Predefined Macros]): Document.
982 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
984 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
985 order to use commutative addition instead of subtraction.
987 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
988 Mircea Namolaru <namolaru@il.ibm.com>
989 Vladimir Yanovsky <yanov@il.ibm.com>
990 Revital Eres <eres@il.ibm.com>
992 PR tree-optimization/34263
993 * tree-outof-ssa.c (process_single_block_loop_latch,
994 contains_tree_r): New functions.
995 (analyze_edges_for_bb): Call process_single_block_loop_latch
996 function to empty single-basic-block latch block if possible.
998 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1000 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1002 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1004 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1006 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1008 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1010 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1012 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1014 PR tree-optimization/34618
1015 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1018 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1021 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1022 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1023 Update copyright year.
1025 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1026 Update copyright year.
1027 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1030 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1032 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1033 edge does not point to current bb before changing need_assert.
1035 2008-01-04 Richard Guenther <rguenther@suse.de>
1038 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1039 for verifying purposes if they are is_gimple_min_invariant.
1041 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1043 PR tree-optimization/34448
1044 PR tree-optimization/34465
1045 * gimplify.c (gimplify_init_constructor): Add new parameter
1046 notify_temp_creation. Use it.
1047 (gimplify_modify_expr_rhs): Take volatiles into account when
1048 optimizing constructors.
1049 Do not optimize constructors if gimplify_init_constructor will dump to
1051 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1052 * gcc.c-torture/compile/pr34448.c: New.
1054 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1056 PR gcov-profile/34609
1057 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1058 return_slot if result is TREE_ADDRESSABLE.
1060 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1062 * config/mips/mips.md (sqrt_condition): Tweak comment.
1063 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1065 2008-01-03 Tom Tromey <tromey@redhat.com>
1068 * c-common.c (c_type_hash): Handle VLAs.
1070 2008-01-03 Jan Hubicka <jh@suse.cz>
1072 PR tree-optimization/31081
1073 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1074 0 when inlining and not inlining to first basic block.
1075 (remap_decl): When var is initialized to 0, don't set default_def.
1076 (expand_call_inline): Set entry_bb.
1077 * tree-inline.h (copy_body_data): Add entry_bb.
1079 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1082 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1085 PR tree-optimization/29484
1086 * tree-inline.c (inline_forbidden_p_2): New function.
1087 (inline_forbidden_p): Disallow inlining if some static var
1088 has an address of a local LABEL_DECL in its initializer.
1089 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1092 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1094 PR tree-optimization/34635
1095 * tree-data-ref.c (add_other_self_distances): Make sure that the
1096 evolution step is constant.
1098 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1101 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1103 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1105 * tree-sra.c (scalarize_init): Insert the generate_element_init
1106 statements after the generate_element_zero statements.
1108 2008-01-02 Richard Guenther <rguenther@suse.de>
1112 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1113 for very large number of operands instead of ICEing.
1115 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1118 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1119 while stack probing.
1121 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1123 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1126 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1129 * tree-mudflap.c (mx_register_decls): Guard warning by
1130 !DECL_ARTIFICIAL check.
1132 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1134 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1135 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1136 sse5_perm<mode>): Fix constraints.