re PR target/34981 (Lazily-bound function called twice)
[official-gcc.git] / gcc / ChangeLog
blobf6b8fe561d48a5c1ea4a429be3ce192eb01bb56e
1 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3         PR target/34981
4         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6         to GOT_VERSION_REGNUM.
7         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9         * config/mips/mips.c (mips_emit_call_insn): New function.
10         (mips_call_tls_get_addr): Call mips_expand_call directly.
11         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
12         emit_call_insn.
13         (mips16_build_call_stub): Likewise.  Return the call insn or null.
14         (mips_expand_call): Update the call to mips16_build_call_stub
15         accordingly and a remove redundant condition.  Assert that MIPS16
16         stubs do not use lazy binding.  Use mips_emit_call_insn and return
17         the call insn.
18         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19         TARGET_USE_GOT.
20         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
21         (mips_avoid_hazard): Remove hazard_set handling.
22         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
23         (UNSPEC_RESTORE_GP): ...this.
24         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
25         (FAKE_CALL_REGNO): Rename to...
26         (GOT_VERSION_REGNUM): ...this.
27         (type): Add "ghost" value.  Add an associated insn reservation.
28         (hazard_set): Remove.
29         (exception_receiver): Rename to...
30         (restore_gp): ...this and update the unspec identifier accordingly.
31         (exception_receiver, nonlocal_got_receiver): New expanders.
32         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
33         FAKE_CALL_REGNO.  Remove hazard_set attribute.
34         (set_got_version, update_got_version): New patterns.
36 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
38         PR target/34970
39         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
41 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
43         PR other/31955
44         * doc/install.texi2html: Generate gcc-vers.texi.
46 2008-01-25  DJ Delorie  <dj@redhat.com>
48         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
50 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
52         * config/c4x: Remove directory.
53         * config.gcc (crx-*, mt-*): Mark obsolete.
54         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
55         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
56         sh-*-rtemscoff*): Remove cases.
57         * defaults.h (C4X_FLOAT_FORMAT): Remove.
58         * real.c (encode_c4x_single, decode_c4x_single,
59         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
60         c4x_extended_format): Remove.
61         * real.h (c4x_single_format, c4x_extended_format): Remove.
62         * doc/extend.texi (interrupt, naked): Remove mention of attributes
63         on C4x.
64         (Pragmas): Remove comment about c4x pragmas.
65         * doc/install.texi (c4x): Remove target-specific instructions.
66         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
67         * doc/md.texi (Machine Constraints): Remove C4x documentation.
68         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
69         refer to C4x source files as examples.
70         (C4X_FLOAT_FORMAT): Remove documentation.
72 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
74         * config/bfin/bfin.c (override_options): Reorder tests so that
75         flag_pic gets enabled for -msep-data.
77 2008-01-25  Richard Guenther  <rguenther@suse.de>
79         PR middle-end/32244
80         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
81         to its bitfield precision if required.
83 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
85         PR middle-end/33880
86         * tree-nested.c (walk_omp_for): New function.
87         (convert_nonlocal_reference, convert_local_reference): Call
88         walk_omp_for on OMP_FOR.
89         (convert_call_expr): Call walk_body on OMP_FOR's
90         OMP_FOR_PRE_INIT_BODY.
92 2008-01-25  Richard Guenther  <rguenther@suse.de>
94         PR tree-optimization/34966
95         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
96         default defs and PHI_NODEs we have to insert after the
97         defining statement.
99 2008-01-24  Nick Clifton  <nickc@redhat.com>
101         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
102         Provide a default definition.
103         (LIBGCC2_UNITS_PER_WORD): Likewise.
105         * config/stormy16/stormy16.c: Include df.h for the prototype
106         for df_regs_ever_live_p.
107         (xstormy16_expand_builtin_va_start): Convert the stack offset
108         into a component_ref and then use POINTER_PLUS_EXPR to add it
109         to the incoming_virtual_args_rtx.
110         (xstormy16_gimplify_va_arg_expr): Rename to
111         xstormy16_gimplify_va_arg_expr.
112         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
113         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
114         xstormy16_gimplify_va_arg_expr.
115         Fix up some formatting issues.
117         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
118         Move to predicates.md.
119         (xs_hi_general_operand): Likewise.
120         (xs_hi_nonmemory_operand): Likewise.
121         * config/stormy16/predicates.md:
122         (xstormy16_carry_plus_operand): New predicate.
123         (xs_hi_general_operand): New predicate.
124         (xs_hi_nonmemory_operand): New predicate.
125         * config/stormy16/stormy16-protos.h:
126         (xstormy16_carry_plus_operand): Delete prototype.
127         (xs_hi_general_operand): Likewise.
128         (xs_hi_nonmemory_operand): Likewise.
130         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
131         modifiers as they are no longer needed and they can trigger
132         reload spill failures.
134         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
135         with a match_operand in order to help reload.
137         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
138         constraint with 'e' for the 8th alternative as this version of
139         the mov.w instruction only accepts the lower 8 registers.
141 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
143         PR target/34856
144         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
145         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
146         vector elements.
148 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
150         PR middle-end/33333
151         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
153 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
155         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
156         New functions.
157         (remove_structure): Update allocations list before removing structure.
158         
159 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
161         * ipa-struct-reorg.c (is_safe_cond_expr, 
162         create_new_stmts_for_cond_expr): Use integer_zerop function,
163         that recognize not only zero-pointer, but zero-integer too.
165 2008-01-25  Ben Elliston  <bje@au.ibm.com>
167         PR other/22232
168         * fixproto: Escape "." in sed expression that strips leading "./".
170 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
172         PR driver/34904
173         * gcc.c (SWITCH_OK): Removed.
174         (SWITCH_LIVE): Changed to bit.
175         (SWITCH_FALSE): Likewise.
176         (SWITCH_IGNORE): Likewise.
177         (switchstr): Change live_cond to unsigned int.
178         (process_command): Replace SWITCH_OK with 0.
179         (do_self_spec): Likewise.
180         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
181         (give_switch): Likewise.
182         (used_arg): Likewise.
183         (do_spec_1): Set the SWITCH_IGNORE bit.
184         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
185         bits.  Set the SWITCH_LIVE bit.
187 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
189         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
191 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
193         PR tree-optimization/34472
194         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
195         parameter to a "bool *" and set *DATA to false if there is
196         an unsafe access.  Do not delete the structure here.
197         (check_cond_exprs): Delete it here instead.
198         (check_cond_exprs, exclude_cold_structs): Do not increase
199         I when removing a structure.
201 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
203         PR target/34856
204         * config/i386/i386.c (ix86_expand_vector_init): Consider only
205         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
207 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
209         PR middle-end/34934
210         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
211         a fixed vector for stack.
213 2008-01-24  Ben Elliston  <bje@au.ibm.com>
215         PR c++/25701
216         * doc/gcc.texi (Software development): Add a direntry for g++.
217         
218 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
220         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
221         stale and straggling -fforce-addr comments above.
223         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
224         define.
225         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
226         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
228 2008-01-23  Michael Matz  <matz@suse.de>
230         PR debug/34895
231         * dwarf2out.c (force_type_die): Use modified_type_die instead of
232         gen_type_die.
234 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
236         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
237         malloc result type.
239 2008-01-23 Anatoly Sokolov <aesok@post.ru>
241         * config/avr/avr.c (avr_current_arch): New variable.
242         (avr_arch_types): Add 'avr31' and 'avr51' entries.
243         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
244         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
245         (avr_override_options): Init 'avr_current_arch'. 
246         (base_arch_s): Move from here...
247         * config/avr/avr.h (base_arch_s): ... here. Add new members 
248         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
249         'mega' to 'have_jmp_call'.
250         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
251         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
252         macros.
253         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
254         architectures.
255         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
256         MULTILIB_MATCHES): (Ditto.).
258 2008-01-23  Richard Guenther  <rguenther@suse.de>
260         PR middle-end/31529
261         * cgraphunit.c (cgraph_reset_node): Always mark the node
262         not reachable if it is not queued already.
264 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
266         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
267         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
268         (cputype_selected): New static variable.
269         (bfin_handle_option): Set it if -mcpu is used.
270         (override_option): Select default set of workarounds if no cpu type
271         selected on the command line.
272         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
274         From  Michael Frysinger  <michael.frysinger@analog.com>
275         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
276         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
278         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
279         for bf547, bf523, bf524, and bf526.
280         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
281         bf526.
282         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
283         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
284         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
285         __ADSPBF547__ and __ADSPBF54x__ for bf547.
286         * doc/invoke.texi (Blackfin Options): Document that
287         -mcpu now accept bf547, bf523, bf524, and bf526.
289 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
291         PR rtl-optimization/34628
292         * combine.c (try_combine): Stop and undo after the first combination
293         if an autoincrement side-effect on the first insn has effectively
294         been lost.
296 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
298         PR target/34529
299         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
300         Offset addresses are not valid for Altivec or paired float modes.
302 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
304         PR c++/34607
305         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
306         if DECL_INITIAL (decl) is error_mark_node.
308         PR c++/34914
309         * c-common.c (handle_vector_size_attribute): Only allow
310         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
311         the same way as pointer, array etc. types.
312         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
314         PR c++/34917
315         * tree.c (build_type_attribute_qual_variant): Call
316         build_qualified_type if attributes are equal, but quals are not.
318 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
320         PR 32102
321         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
322         * flags.h (warn_strict_aliasing): Remove.
323         (warn_strict_overflow): Remove.
324         * opts.c (warn_strict_aliasing): Remove.
325         (warn_strict_overflow): Remove.
326         * c-opts.c (c_common_handle_option): -Wall only sets
327         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
328         (c_common_post_options): Give default values to -Wstrict-aliasing
329         and -Wstrict-overflow if they are uninitialized.
330         * common.opt (Wstrict-aliasing): Specify Var and Init.
331         (Wstrict-overflow): Likewise.
333 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
335         PR rtl-optimization/26854
336         PR rtl-optimization/34400
337         PR rtl-optimization/34884
338         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
339         DF_RD->gen.
340         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
341         (df_rd_bb_info.expanded_lr_out): Deleted
342         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
343         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
344         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
345         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
346         Removed code to allocate, initialize or free expanded_lr_out.
347         (df_rd_bb_local_compute_process_def): Restructured to make more
348         understandable.
349         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
350         sets if the sets are being trimmed.
352 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
354         PR bootstrap/32287
355         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
356         (as_vers): Likewise.
357         * configure: Regenerated.
359 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
361         PR middle-end/33092
362         * tree-pass.h (pass_build_alias): New pass.
363         * tree-ssa-alias.c (gate_build_alias): New.
364         (pass_build_alias): New.
365         * passes.c (init_optimization_passes): Add pass_build_alias after
366         pass_create_structure_vars.
368 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
370         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
371         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
372         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
373         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
374         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
375         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
376         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
377         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
378         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
379         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
380         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
381         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
382         * config/s390/s390.md (FP_ALL): New mode iterator.
383         (_d): New mode attribute.
384         ("*signbit<mode>2>"): Changed mode of first operand.
385         ("isinf<mode>2"): Changed mode of first operand.
386         ("*TDC_insn"): Adaptation for DFP modes.
388 2008-01-22  Ben Elliston  <bje@au.ibm.com>
390         * tree.c (check_qualified_type): Improve function description.
392 2008-01-21  Jason Merrill  <jason@redhat.com>
394         PR c++/34196
395         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
396         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
397         if it is set.
399 2008-01-21  DJ Delorie  <dj@redhat.com>
401         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
402         return zero.
404 2008-01-21  Richard Guenther  <rguenther@suse.de>
406         PR middle-end/34856
407         * tree-cfg.c (verify_expr): Allow all invariant expressions
408         instead of just constant class ones as reference argument.
409         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
410         like any other constant.
411         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
413 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
415         * regmove.c (fixup_match_1): Update call crossed frequencies.
417 2008-01-21  Richard Guenther  <rguenther@suse.de>
419         PR c/34885
420         * tree-inline.c (setup_one_parameter): Deal with mismatched
421         types using a VIEW_CONVERT_EXPR.
423 2008-01-21  Alon Dayan  <alond@il.ibm.com>
424             Olga Golovanevsky  <olga@il.ibm.com>
425         
426         PR tree-optimization/34701
427         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
428         when the structure size is not a power of 2.
430 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
432         * doc/install.texi: Add doc for --enable-checking=df.
433         
434 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
436         PR rtl-optimization/34808
437         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
439 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
441         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
442         input.
444 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
446         PR rtl-optimization/26854
447         PR rtl-optimization/34400
448         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
449         DF_RD->gen.
450         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
451         (df_rd_bb_info.expanded_lr_out): New.
452         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
453         * loop_iv.c (iv_analysis_loop_init): Ditto.
454         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
455         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
456         Added code to allocate, initialize or free expanded_lr_out.
457         (df_rd_bb_local_compute_process_def): Restructured to make
458         more understandable.
459         (df_rd_confluence_n): Add code to do nothing with fake edges and
460         code to no apply invalidate_by_call sets if the sets are being trimmed.
461         (df_lr_local_finalize): Renamed to df_lr_finalize.
462         (df_live_local_finalize): Renamed to df_live_finalize.
464 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
466         PR target/34831
467         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
468         deciding whether to use reciprocal instructions.
470 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
472         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
473         dwarf2out_note_section_used if cold_text_section is NULL.
475 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
477         PR gcov-profile/34610
478         * tree-cfg.c (make_edges): Mark both outgoing edges from
479         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
480         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
481         from OMP_FOR and OMP_CONTINUE outgoing edges.
483         * tree-profile.c (tree_profiling): Return early if
484         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
485         at the end.
486         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
487         from cfun to child_cfun.
488         * function.h (struct function): Add after_tree_profile bit.
490 2008-01-19 Anatoly Sokolov <aesok@post.ru>
492         * config/avr/avr.S (_exit): Disable interrupt.
494 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
495             Steven Bosscher  <stevenb.gcc@gmail.com>
497         PR rtl-optimization/26854
498         PR rtl-optimization/34400
499         * df-problems.c (df_live_scratch): New scratch bitmap.
500         (df_live_alloc): Allocate df_live_scratch when doing df_live.
501         (df_live_reset): Clear the proper bitmaps.
502         (df_live_bb_local_compute): Only process the artificial defs once
503         since the order is not important.
504         (df_live_init): Init the df_live sets only with the variables
505         found live by df_lr.
506         (df_live_transfer_function): Use the df_lr sets to prune the
507         df_live sets as they are being computed.  
508         (df_live_free): Free df_live_scratch.
510 2008-01-18  Ian Lance Taylor  <iant@google.com>
512         * common.opt: Add fmerge-debug-strings.
513         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
514         flag_merge_debug_strings rather than flag_merge_constants.
515         * doc/invoke.texi (Option Summary): Mention
516         -fmerge-debug-strings.
517         (Debugging Options): Document -fmerge-debug-strings.
519 2008-01-18  Ian Lance Taylor  <iant@google.com>
521         PR c++/33407
522         * tree.h (DECL_IS_OPERATOR_NEW): Define.
523         (struct tree_function_decl): Add new field operator_new_flag.
524         * tree-inline.c (expand_call_inline): When inlining a call to
525         operator new, force the return value to go into a variable, and
526         set DECL_NO_TBAA_P on that variable.
527         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
529 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
531         PR debug/34484
532         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
533         DWARF2_DEBUGGING_INFO.
534         (dwarf2out_note_section_used): Ditto.  Add prototype.
535         (have_multiple_function_sections, text_section_used,
536         cold_text_section_used, *cold_text_sections): Move declarations
537         before their uses.
539 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
541         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
542         field and add signal_ra.
543         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
544         assignments to frame state pc.  Move end of stack check after
545         MD_FALLBACK_FRAME_STATE_FOR.
546         (uw_update_context_1): Use frame state signal_regs if set, instead
547         of checking signal_frame flag.
548         (uw_update_context): Use frame state signal_ra if set.
549         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
550         * config/xtensa/linux-unwind.h: New file.
552 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
554         * modulo-sched.c (get_sched_window): Fix comment typo.
556 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
558         PR tree-optimization/34648
559         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
561 2008-01-17  Anatoly Sokolov <aesok@post.ru>
563         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
564         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
566 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
568         PR rtl-optimization/34400
569         * df-core.c (df_worklist_dataflow_overeager,
570         df_worklist_dataflow_doublequeue): New functions.
571         (df_worklist_dataflow): Two different worklist solvers.
572         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
573         New param.
575 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
577         PR testsuite/34821
578         * doc/invoke.texi: Document the dependence on pthread for fopenmp
579         and ftree-parallelize-loops.
581 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
583         PR rtl-optimization/34826
584         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
586 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
588         * global.c (find_reg): Mark the eh regs as used if necessary.
589         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
590         * ra.h (struct allocno): no_eh_reg field added.  Changed
591         no_stack_reg type to bitfield.
593 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
595         * tree.c (substitute_in_expr): Add missing 'break'.
597 2008-01-17  Richard Guenther  <rguenther@suse.de>
599         PR tree-optimization/34825
600         * tree-ssa-math-opts.c (is_division_by): Do not recognize
601         x / x as division to handle.
603 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
605         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
606         "-pthread" is specified.
607         * pa-hpux11.h (LIB_SPEC): Likewise.
609 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
610             Peter Bergner  <bergner@vnet.ibm.com>
612         PR rtl-optimization/33796
613         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
615 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
617         PR libgfortran/34699
618         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
619         static links.
620         * pa-hpux10.h (LINK_SPEC): Likewise.
621         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
623 2008-01-16  Richard Guenther  <rguenther@suse.de>
625         PR middle-end/32628
626         * fold-const.c (fold_convert_const_int_from_int): Do not
627         set overflow if that occured only because of a sign extension
628         change when converting from/to a sizetype with the same
629         precision and signedness.
631 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
633         PR debug/34249
634         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
635         location address to the correct place.  Update copyright year.
637 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
639         * lambda-code.c (lambda_transform_legal_p): Handle the case of
640         no dependences in the dependence_relations vector.
642 2008-01-16  Jan Hubicka  <jh@suse.cz>
644         PR rtl-optimization/31396
645         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
646         * cfg.c (dump_reg_info): Print it.
647         * regs.h (struct reg_info_t): add freq_calls_crossed.
648         (REG_FREQ_CALLS_CROSSED): New macro.
649         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
650         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
651         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
652         regmove_optimize): Update call crossed frequencies.
653         * local-alloc.c (struct qty): Add freq_calls_crossed.
654         (alloc_qty): Copute freq_calls_crossed.
655         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
656         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
657         * ra.h (struct allocno): Add freq_calls_crossed.
659 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
661         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
662         libgomp when compiling with ftree-parallelize-loops.
663         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
665 2008-01-16  Richard Guenther  <rguenther@suse.de>
667         PR tree-optimization/34769
668         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
669         * tree.c (int_cst_value): Instead make this function more
670         permissive in what it accepts as valid input.  Document this
671         function always sign-extends the value.
673 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
674             Richard Guenther  <rguenther@suse.de>
676         PR c/34668
677         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
678         (gimple_fold_indirect_ref_rhs): ... this.
679         (gimple_fold_indirect_ref): New function with foldings
680         that preserve lvalueness.
681         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
682         * tree-flow.h (gimple_fold_indirect_ref): Declare.
683         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
684         to fold an INDIRECT_REF, fall back to the old use of
685         fold_indirect_ref_1.
687 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
689         * tree-data-ref.c (subscript_dependence_tester_1): Call 
690         free_conflict_function.
691         (compute_self_dependence): Same.
693 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
695         PR debug/34249
696         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
697         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
698         function global.
699         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
700         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
701         for DWARF2_UNWIND_INFO targets.
703 2008-01-16  Richard Guenther  <rguenther@suse.de>
705         PR c/34768
706         * c-typeck.c (common_pointer_type): Do not merge inconsistent
707         type qualifiers for function types.
709 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
711         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
712         loop_iterator li from previous commit.
714 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
716         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
718 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
720         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
721         (parallelize_loops): Don't parallelize irreducible components.
723 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
725         PR c++/24924
726         * c-opts (c_common_post_options): Do not enable CPP
727         flag_pedantic_errors by default.
728         
729 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
731         PR rtl-optimization/31944
732         * cse.c (remove_pseudo_from_table): New function.
733         (merge_equiv_classes): Use above function to remove pseudo-registers.
734         (invalidate): Likewise.
736 2008-01-13  Richard Guenther  <rguenther@suse.de>
738         PR middle-end/34601
739         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
740         instead of TYPE_MODE to deal with calls from expand_one_error_var.
742 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
744         * gcse.c (cprop_jump): Call validate_unshare_change instead of
745         validate_change to unshare the source of the PC set.
747 2008-01-12  Jan Hubicka  <jh@suse.cz>
749         PR middle-end/32135
750         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
751         references above array bounds.  This might trigger bounds checks for
752         pointers to arrays.
754 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
756         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
757         new_replaceable_dependencies.
759 2008-01-12  Doug Kwan  <dougkwan@google.com>
761         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
762         instead of OPT_Wreturn_type in warning due to ignored return type
763         qualifiers.
764         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
765         options included in -Wextra.
766         * c.opt: New option -Wignored_qualifiers.
767         * doc/invoke.texi (Warning Options, -Wextra): Add new option
768         -Wignore_qualifiers.
769         (-Wignored-qualifiers): Document.
770         (-Wreturn-type): Remove description of functionality now handled
771         by -Wignored-qualifiers.
773 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
775         PR ada/33788
776         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
777         NOP_EXPR if it is between integral types with the same precision.
779 2008-01-12  Jan Hubicka  <jh@suse.cz>
781         PR other/28023
782         * invoke.texi (max-inline-recursive-depth): Fix default value.
784 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
786         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
787         correct type.
789 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
790         
791         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
792         
793 2008-01-11  James E. Wilson  <wilson@specifix.com>
795         PR target/26015
796         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
798 2008-01-11  Anatoly Sokolov <aesok@post.ru>
800         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
801         save/restore frame pointer register and don't use 'call-prologues' 
802         optimization in function with "OS_task" attribute.
804 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
806         PR middle-end/31309
807         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
808         when copying to memory.
810 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
812         PR rtl-optimization/30905
813         * cfgcleanup.c: Include dce.h
814         (crossjumps_occured): New global variable.
815         (try_crossjump_bb): Exit loop after finding a fallthru edge.
816         If something changed, set crossjumps_occured to true.
817         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
818         Don't add/remove fake edges to exit here...
819         (cleanup_cfg): ...but do it here, when crossjumping.
820         Run a fast DCE when successful crossjumps occured in the latest
821         iteration of try_optimize_cfg.
823 2008-01-11  Richard Guenther  <rguenther@suse.de>
825         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
826         (struct vn_unary_op_s): Likewise.
827         (vn_reference_insert): Free old reference on hash collision.
829 2008-01-10  Raksit Ashok  <raksit@google.com>
831         PR rtl-optimization/27971
832         * combine.c (find_split_point): Split PLUS expressions which are
833         inside a MEM rtx, and whose first operand is complex.
835 2008-01-10  DJ Delorie  <dj@redhat.com>
837         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
838         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
839         (m32c_hard_regno_ok): Call the underlying function.
841 2008-01-10  Richard Guenther  <rguenther@suse.de>
843         PR middle-end/34683
844         * tree-cfg.c (tree_merge_blocks): Do not go through the
845         full-blown folding and stmt updating path if we just deal
846         with virtual operands.
847         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
848         test for abnormal SSA_NAMEs.
850 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
852         PR middle-end/34641
853         * reload.c (push_reload): Add assertions.  All constants from
854         reg_equiv_constant should have been used for replacing the respective
855         pseudo earlier.
856         (find_reloads_address): Invoke find_reloads_address_part for
857         constant taken from the reg_equiv_constant array.
859 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
861         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
862         field (valnum) the first in the struct.  Replace bools with
863         unit bit fields.
865 2008-01-10  Richard Guenther  <rguenther@suse.de>
867         PR tree-optimization/34651
868         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
869         types and ordering for masking and converting.
871 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
873         PR tree-optimization/34017
874         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
875         also for PHI_NODE expressions.
877 2008-01-09  Jan Hubicka  <jh@suse.cz>
879         PR tree-optimization/34708
880         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
881         based on number of case labels.
882         (init_inline_once): Remove switch_cost.
883         * tree-inline.h (eni_weights_d): Remove switch_cost.
885 2008-01-09  Richard Guenther  <rguenther@suse.de>
886         Andrew Pinski  <andrew_pinski@playstation.sony.com>
888         PR middle-end/30132
889         * gimplify.c (gimplify_cond_expr): Do not create an addressable
890         temporary if an rvalue is ok or an lvalue is not required.
892 2008-01-09  Richard Guenther  <rguenther@suse.de>
894         PR middle-end/34458
895         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
896         adjust return type.
898 2008-01-09  Richard Guenther  <rguenther@suse.de>
900         PR middle-end/34679
901         * tree.c (host_integerp): Check for sizetype only if the
902         type is an integer type.
904 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
906         PR debug/26364
907         * opts.c (decode_options): Disable inlining of functions called
908         once if not in unit-at-a-time mode.
910 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
912         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
914 2008-01-08  Richard Guenther  <rguenther@suse.de>
916         PR middle-end/31863
917         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
918         out early if the result will be unused.
920 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
922         PR target/34709
923         Revert:
925         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
926         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
927         for TARGET_RECIP.       
928         
929 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
930         
931         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
932         for vectorization tuned.
933         
934 2008-01-08  Richard Guenther  <rguenther@suse.de>
936         PR tree-optimization/34683
937         * tree-ssa-operands.c (operand_build_cmp): Export.
938         * tree-ssa-operands.h (operand_build_cmp): Declare.
939         * tree-vn.c (vuses_compare): Remove.
940         (sort_vuses): Use operand_build_cmp.
941         (sort_vuses_heap): Likewise.
942         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
943         to re-use old VEC if available.  Do not sort already sorted VUSEs.
944         (vdefs_to_vec): Do not sort already sorted VDEFs.
946 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
948         PR middle-end/34694
949         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
951 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
953         PR target/34702
954         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
955         limitations of reciprocal sequences on x86 targets.
957 2008-01-08  Richard Guenther  <rguenther@suse.de>
959         PR tree-optimization/34683
960         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
962 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
964         PR target/34622
965         * config/darwin.c (darwin_mergeable_string_section): Don't use
966         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
968 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
970         PR target/34682
971         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
972         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
973         predicates of op0 and op1 to register_operand.
974         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
975         expander using X87MODEF mode iterator.  Change predicates of
976         op0 and op1 to register_operand.
977         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
978         corresponding patterns and macroize using MODEF macro.  Change
979         predicates of op0 and op1 to register_operand and remove
980         "m" constraint. Disparage "r" alternative with "!".
981         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
982         macroize using X87MODEF macro.  Change predicates of op0 and op1
983         to register_operand and remove "m" constraint.  Disparage "r"
984         alternative with "!".
985         (absneg splitter with memory operands): Remove.
986         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
987         patterns and macroize using X87MODEF mode iterator.
988         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
989         Change predicate of op1 to register_operand.
990         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
991         for memory operands.
993 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
995         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
997 2008-01-07  Richard Guenther  <rguenther@suse.de>
999         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1000         fields.
1002 2008-01-07  Richard Guenther  <rguenther@suse.de>
1004         PR tree-optimization/34683
1005         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1006         VOPs of the needed size to save memory.  Use VEC_quick_push
1007         to save compile-time.
1008         (vdefs_to_vec): Likewise.
1010 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1012         * config/spu/spu.md (divdf3): Genetate inline code for double
1013         division.  The implementation doesn't handle INF or NAN, therefore it
1014         only applies when -ffinite-math-only is given.
1016 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1018         PR libstdc++/34680
1019         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1020         * doc/cpp.texi ([Common Predefined Macros]): Document.
1022 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1024         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1025         order to use commutative addition instead of subtraction.
1027 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1028             Mircea Namolaru  <namolaru@il.ibm.com>
1029             Vladimir Yanovsky  <yanov@il.ibm.com>
1030             Revital Eres  <eres@il.ibm.com>
1032         PR tree-optimization/34263
1033         * tree-outof-ssa.c (process_single_block_loop_latch,
1034         contains_tree_r): New functions.
1035         (analyze_edges_for_bb): Call process_single_block_loop_latch
1036         function to empty single-basic-block latch block if possible.
1038 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1040         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1041         for TARGET_RECIP.
1042         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1044 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1046         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1048 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1050         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1052 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1054         PR tree-optimization/34618
1055         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1056         flag from T.
1058 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1060         PR target/34673
1061         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1062         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1063         Update copyright year.
1065         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1066         Update copyright year.
1067         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1068         using NR fixup.
1070 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1072         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1073         edge does not point to current bb before changing need_assert.
1075 2008-01-04  Richard Guenther  <rguenther@suse.de>
1077         PR middle-end/34029
1078         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1079         for verifying purposes if they are is_gimple_min_invariant.
1081 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1083         PR tree-optimization/34448
1084         PR tree-optimization/34465
1085         * gimplify.c (gimplify_init_constructor): Add new parameter
1086         notify_temp_creation.  Use it.
1087         (gimplify_modify_expr_rhs): Take volatiles into account when
1088         optimizing constructors.
1089         Do not optimize constructors if gimplify_init_constructor will dump to
1090         memory.
1091         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1092         * gcc.c-torture/compile/pr34448.c: New.
1094 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1096         PR gcov-profile/34609
1097         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1098         return_slot if result is TREE_ADDRESSABLE.
1100 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1102         * config/mips/mips.md (sqrt_condition): Tweak comment.
1103         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1105 2008-01-03  Tom Tromey  <tromey@redhat.com>
1107         PR c/34457
1108         * c-common.c (c_type_hash): Handle VLAs.
1110 2008-01-03  Jan Hubicka  <jh@suse.cz>
1112         PR tree-optimization/31081
1113         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1114         0 when inlining and not inlining to first basic block.
1115         (remap_decl): When var is initialized to 0, don't set default_def.
1116         (expand_call_inline): Set entry_bb.
1117         * tree-inline.h (copy_body_data): Add entry_bb.
1119 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1121         PR c++/34619
1122         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1123         before returning.
1125         PR tree-optimization/29484
1126         * tree-inline.c (inline_forbidden_p_2): New function.
1127         (inline_forbidden_p): Disallow inlining if some static var
1128         has an address of a local LABEL_DECL in its initializer.
1129         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1130         vs. inlining.
1132 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1134         PR tree-optimization/34635
1135         * tree-data-ref.c (add_other_self_distances): Make sure that the
1136         evolution step is constant.
1138 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1140         PR middle-end/34608
1141         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1143 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1145         * tree-sra.c (scalarize_init): Insert the generate_element_init
1146         statements after the generate_element_zero statements.
1148 2008-01-02  Richard Guenther  <rguenther@suse.de>
1150         PR middle-end/34093
1151         PR middle-end/31976
1152         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1153         for very large number of operands instead of ICEing.
1155 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1157         PR target/34013
1158         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1159         while stack probing.
1161 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1163         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1164         in C++0x mode.
1166 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1168         PR libmudflap/26442
1169         * tree-mudflap.c (mx_register_decls): Guard warning by
1170         !DECL_ARTIFICIAL check.
1172 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1174         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1175         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1176         sse5_perm<mode>): Fix constraints.