1 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8 * doc/invoke.texi (C++ Dialect Options)
9 (Objective-C and Objective-C++ Dialect Options, Warning Options):
10 For each warning option -Wfoo that allows -Wno-foo, ensure both
11 -Wfoo and -Wno-foo are listed in the option index. Fix index
12 entry of -Wswitch-default, index -Wnormalized= including the
13 `=', and -Wlarger-than-@var{len} including @var{len}.
15 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
17 * config/i386/i386.md (floatunssisf2): Use
18 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
19 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
20 Macroize expander using MODEF mode iterator.
22 2008-02-05 Diego Novillo <dnovillo@google.com>
24 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
27 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
29 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
34 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
37 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
38 to indicate if a message should be generated.
39 (init_cumulative_args): Updated.
40 (function_value_32): Likewise.
42 2008-02-05 Joseph Myers <joseph@codesourcery.com>
44 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
46 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
49 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
50 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
52 2008-02-04 Diego Novillo <dnovillo@google.com>
54 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
57 * tree-vrp.c (vrp_evaluate_conditional): With
58 -Wtype-limits, emit a warning when comparing against a
59 constant outside the natural range of OP0's type.
61 2008-02-04 Richard Guenther <rguenther@suse.de>
64 * expr.c (count_type_elements): Give for unions instead of
67 2008-02-04 Richard Guenther <rguenther@suse.de>
70 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
71 to TYPE_DOMAINs base type instead of using bitsizetype here.
73 2008-02-03 Jason Merrill <jason@redhat.com>
75 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
77 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
80 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
81 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
82 (RS/6000 and PowerPC Options): Fix typos and markup.
83 * doc/passes.texi (Tree-SSA passes): Likewise.
85 2008-02-02 Michael Matz <matz@suse.de>
88 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
89 from record_last_reg_set_info.
90 (record_last_reg_set_info): Take an RTX argument, iterate over all
92 (record_last_set_info, record_opr_changes): Change calls to
93 new signature or to record_last_reg_set_info_regno.
95 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
97 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
99 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
101 PR rtl-optimization/34773
102 * reg-notes.def (EQUAL): Mention significance of combination of
103 REG_EQUAL and REG_RETVAL.
104 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
105 insn that has a REG_RETVAL.
107 2008-02-01 Roger Sayle <roger@eyesopen.com>
110 * configure.ac (--enable-fixed-point): Disable unless explicitly
112 * configure: Regenerate.
114 2008-02-01 Richard Guenther <rguenther@suse.de>
117 * invoke.texi (-finline-limit): Remove no longer true parts
118 of the documentation. Note that there is no default value.
120 2008-02-01 Andrew Pinski <pinskia@gmail.com>
121 Mark Mitchell <mark@codesourcery.com>
122 Ben Elliston <bje@au.ibm.com>
125 * doc/extend.texi (Other Builtins): Document.
127 2008-01-31 Tom Browder <tom.browder@gmail.com>
129 * doc/c-tree.texi (Types): Fix grammar.
130 (Expression trees): Ditto.
131 * doc/passes.texi (Tree-SSA passes): Ditto.
133 * doc/configterms.texi (Configure Terms): Fix typo.
134 * doc/cpp.texi (Common Predefined Macros): Ditto.
135 * doc/md.texi (Machine Constraints): Ditto.
137 * doc/makefile.texi (Makefile): Add comma.
139 2008-01-31 Tom Browder <tom.browder@gmail.com>
140 Gerald Pfeifer <gerald@pfeifer.com>
142 * doc/sourcebuild.texi (Front End): Remove references to CVS
144 (Texinfo Manuals): Replace reference to CVS by one to SVN.
145 (Back End): Remove reference to CVS.
147 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
150 * config/mips/mips.c (gen_load_const_gp): New function, taking a
152 (mips16_gp_pseudo_reg): ...here.
153 * config/mips/mips.md (load_const_gp): Replace with...
154 (load_const_gp_<mode>): ...this :P-based insn.
156 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
158 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
159 options. Minor fixes.
160 (-std): Move reference to standards closer to where language
161 standards are first mentioned.
163 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
165 PR rtl-optimization/34995
166 * reload.c (alternative_allows_const_pool_ref): Take an rtx
167 parameter and return a bool. If the rtx parameter is nonnull,
168 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
169 (find_reloads): Update call accordingly. Pass the new operand
170 if it needed no address reloads, otherwise pass null.
172 2008-01-30 Richard Henderson <rth@redhat.com>
175 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
176 for unbounded arrays.
178 2008-01-30 Silvius Rus <rus@google.com>
180 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
182 2008-01-30 Jan Hubicka <jh@suse.cz>
185 * i386.c (init_cumulative_args): Use real function declaration when
188 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
190 PR rtl-optimization/34998
191 * global.c (build_insn_chain): Treat non-subreg_lowpart
192 SUBREGs of pseudos as clobbering all the words covered by the
193 SUBREG, not just all the bytes.
194 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
195 original df_ref rather than an extract parameter.
196 (global_conflicts): Update call accordingly.
198 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
200 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
201 the overflow check to make it easier to read.
202 (__fixtfdi): Change the type of the ll member in union
203 long_double to UDItype_x.
205 2008-01-30 Jakub Jelinek <jakub@redhat.com>
208 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
209 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
210 * tree-inline.c (fold_marked_statements): Call
211 cgraph_update_edges_for_call_stmt if folding a call statement.
212 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
213 debug_generic_stmt calls, reset it back afterwards.
216 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
218 * c-typeck.c (build_external_ref): Don't pedwarn about
219 static vars in current function's scope.
221 2008-01-29 Joseph Myers <joseph@codesourcery.com>
223 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
225 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
228 * ipa-struct-reorg.c: Fix spelling.
231 2008-01-29 Richard Guenther <rguenther@suse.de>
234 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
236 * tree-inline.c (remap_type): Increment remapping_type_depth
237 around remapping types.
238 (copy_body_r): Only add referenced variables if they are referenced
239 from code, not types.
241 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
252 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
253 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
255 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
258 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
259 pointer for tiny stack.
261 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
263 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
265 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
267 * config/vx-common.h: Fix typo in comment.
269 2008-01-28 Ian Lance Taylor <iant@google.com>
273 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
274 coalesce pointers if they have different DECL_NO_TBAA_P values.
275 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
276 between variables with different DECL_NO_TBAA_P values.
278 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
281 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
282 are not legitimate small data references on SPE targets.
284 2008-01-28 David Daney <ddaney@avtrex.com>
286 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
288 2008-01-28 David Daney <ddaney@avtrex.com>
290 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
292 2008-01-27 Joseph Myers <joseph@codesourcery.com>
294 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
295 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
296 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
297 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
298 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
299 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
300 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
301 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
303 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
305 * basic-block.h (condjump_equiv_p): Fix comment.
307 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
309 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
310 print_generic_stmt_indented): Fix comment.
312 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
314 * configure.ac (__stack_chk_fail): Add detecion for availability
315 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
316 * configure: Regenerate.
318 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
321 * final.c (output_addr_const): Handle TRUNCATE.
323 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
326 * tree-ssa-loop-ivopts.c (comp_cost): New type.
327 (zero_cost, infinite_cost): New constants.
328 (struct cost_pair): Change type of cost to comp_cost.
329 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
330 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
332 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
333 split_address_cost, ptr_difference_cost, difference_cost,
334 get_computation_cost_at, get_computation_cost,
335 determine_use_iv_cost_generic, determine_use_iv_cost_address,
336 determine_use_iv_cost_condition, determine_use_iv_costs,
337 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
338 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
339 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
340 Change type of cost to comp_cost.
341 (determine_iv_cost): Increase cost of non-original ivs, instead
342 of decreasing the cost of original ones.
343 (get_address_cost): Indicate the complexity of the addressing mode
345 (try_add_cand_for): Prefer using ivs not specific to some object.
346 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
348 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
349 Janis Johnson <janis187@us.ibm.com>
352 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
353 (TARGET_INSTANTIATE_DECLS): Likewise.
354 * target.h (expand_to_rtl_hook): New target hook.
355 (instantiate_decls): Likewise.
356 * function.c (instantiate_decl): Make non-static. Rename to...
357 (instantiate_decl_rtl): ... this.
358 (instantiate_expr): Use instantiate_decl_rtl.
359 (instantiate_decls_1): Likewise.
360 (instantiate_decls): Likewise.
361 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
362 * function.h (instantiate_decl_rtl): Add prototype.
363 * cfgexpand.c (target.h): New include.
364 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
365 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
366 (TARGET_INSTANTIATE_DECLS): Likewise.
367 (TARGET_INITIALIZER): New target hooks added.
368 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
370 * config/rs6000/rs6000.c (tree-flow.h): New include.
371 (machine_function): Add sdmode_stack_slot field.
372 (rs6000_alloc_sdmode_stack_slot): New function.
373 (rs6000_instantiate_decls): Likewise.
374 (rs6000_secondary_memory_needed_rtx): Likewise.
375 (rs6000_check_sdmode): Likewise.
376 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
377 (TARGET_INSTANTIATE_DECLS): Likewise.
378 (rs6000_hard_regno_mode_ok): Allow SDmode.
379 (num_insns_constant): Likewise. Handle _Decimal32 constants.
380 (rs6000_emit_move): Handle SDmode.
381 (function_arg_advance): Likewise.
382 (function_arg): Likewise.
383 (rs6000_gimplify_va_arg): Likewise. Add special handling of
384 SDmode var args for 32-bit compiles.
385 (rs6000_secondary_reload_class): Handle SDmode.
386 (rs6000_output_function_epilogue): Likewise.
387 (rs6000_function_value): Simplify if statement.
388 (rs6000_libcall_value): Likewise.
389 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
390 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
391 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
392 (movsd_hardfloat): New define_insn.
393 (movsd_softfloat): Likewise.
394 (movsd_store): Likewise.
395 (movsd_load): Likewise.
396 (extendsddd2): Likewise.
397 (extendsdtd2): Likewise.
398 (truncddsd2): Likewise.
399 (movdd_hardfloat64): Fixup comment.
400 (UNSPEC_MOVSD_LOAD): New constant.
401 (UNSPEC_MOVSD_STORE): Likewise.
403 2008-01-26 Jakub Jelinek <jakub@redhat.com>
406 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
408 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
409 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
410 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
413 2008-01-26 David Edelsohn <edelsohn@gnu.org>
416 * config.gcc: Separate AIX 5.3 from AIX 6.1.
417 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
419 * config/rs6000/aix61.h: New file.
421 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
423 PR rtl-optimization/34959
424 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
425 popcount and parity rtxes the same mode as their operand.
426 Truncate or extend the result to the return value's mode
429 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
432 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
433 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
434 to GOT_VERSION_REGNUM.
435 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
436 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
437 * config/mips/mips.c (mips_emit_call_insn): New function.
438 (mips_call_tls_get_addr): Call mips_expand_call directly.
439 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
441 (mips16_build_call_stub): Likewise. Return the call insn or null.
442 (mips_expand_call): Update the call to mips16_build_call_stub
443 accordingly and a remove redundant condition. Assert that MIPS16
444 stubs do not use lazy binding. Use mips_emit_call_insn and return
446 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
448 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
449 (mips_avoid_hazard): Remove hazard_set handling.
450 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
451 (UNSPEC_RESTORE_GP): ...this.
452 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
453 (FAKE_CALL_REGNO): Rename to...
454 (GOT_VERSION_REGNUM): ...this.
455 (type): Add "ghost" value. Add an associated insn reservation.
456 (hazard_set): Remove.
457 (exception_receiver): Rename to...
458 (restore_gp): ...this and update the unspec identifier accordingly.
459 (exception_receiver, nonlocal_got_receiver): New expanders.
460 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
461 FAKE_CALL_REGNO. Remove hazard_set attribute.
462 (set_got_version, update_got_version): New patterns.
464 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
467 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
469 2008-01-25 Joseph Myers <joseph@codesourcery.com>
472 * doc/install.texi2html: Generate gcc-vers.texi.
474 2008-01-25 DJ Delorie <dj@redhat.com>
476 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
478 2008-01-25 Joseph Myers <joseph@codesourcery.com>
480 * config/c4x: Remove directory.
481 * config.gcc (crx-*, mt-*): Mark obsolete.
482 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
483 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
484 sh-*-rtemscoff*): Remove cases.
485 * defaults.h (C4X_FLOAT_FORMAT): Remove.
486 * real.c (encode_c4x_single, decode_c4x_single,
487 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
488 c4x_extended_format): Remove.
489 * real.h (c4x_single_format, c4x_extended_format): Remove.
490 * doc/extend.texi (interrupt, naked): Remove mention of attributes
492 (Pragmas): Remove comment about c4x pragmas.
493 * doc/install.texi (c4x): Remove target-specific instructions.
494 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
495 * doc/md.texi (Machine Constraints): Remove C4x documentation.
496 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
497 refer to C4x source files as examples.
498 (C4X_FLOAT_FORMAT): Remove documentation.
500 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
502 * config/bfin/bfin.c (override_options): Reorder tests so that
503 flag_pic gets enabled for -msep-data.
505 2008-01-25 Richard Guenther <rguenther@suse.de>
508 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
509 to its bitfield precision if required.
511 2008-01-25 Jakub Jelinek <jakub@redhat.com>
514 * tree-nested.c (walk_omp_for): New function.
515 (convert_nonlocal_reference, convert_local_reference): Call
516 walk_omp_for on OMP_FOR.
517 (convert_call_expr): Call walk_body on OMP_FOR's
518 OMP_FOR_PRE_INIT_BODY.
520 2008-01-25 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/34966
523 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
524 default defs and PHI_NODEs we have to insert after the
527 2008-01-24 Nick Clifton <nickc@redhat.com>
529 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
530 Provide a default definition.
531 (LIBGCC2_UNITS_PER_WORD): Likewise.
533 * config/stormy16/stormy16.c: Include df.h for the prototype
534 for df_regs_ever_live_p.
535 (xstormy16_expand_builtin_va_start): Convert the stack offset
536 into a component_ref and then use POINTER_PLUS_EXPR to add it
537 to the incoming_virtual_args_rtx.
538 (xstormy16_gimplify_va_arg_expr): Rename to
539 xstormy16_gimplify_va_arg_expr.
540 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
541 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
542 xstormy16_gimplify_va_arg_expr.
543 Fix up some formatting issues.
545 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
546 Move to predicates.md.
547 (xs_hi_general_operand): Likewise.
548 (xs_hi_nonmemory_operand): Likewise.
549 * config/stormy16/predicates.md:
550 (xstormy16_carry_plus_operand): New predicate.
551 (xs_hi_general_operand): New predicate.
552 (xs_hi_nonmemory_operand): New predicate.
553 * config/stormy16/stormy16-protos.h:
554 (xstormy16_carry_plus_operand): Delete prototype.
555 (xs_hi_general_operand): Likewise.
556 (xs_hi_nonmemory_operand): Likewise.
558 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
559 modifiers as they are no longer needed and they can trigger
560 reload spill failures.
562 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
563 with a match_operand in order to help reload.
565 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
566 constraint with 'e' for the 8th alternative as this version of
567 the mov.w instruction only accepts the lower 8 registers.
569 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
572 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
573 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
576 2008-01-25 Jakub Jelinek <jakub@redhat.com>
579 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
581 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
583 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
585 (remove_structure): Update allocations list before removing structure.
587 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
589 * ipa-struct-reorg.c (is_safe_cond_expr,
590 create_new_stmts_for_cond_expr): Use integer_zerop function,
591 that recognize not only zero-pointer, but zero-integer too.
593 2008-01-25 Ben Elliston <bje@au.ibm.com>
596 * fixproto: Escape "." in sed expression that strips leading "./".
598 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
601 * gcc.c (SWITCH_OK): Removed.
602 (SWITCH_LIVE): Changed to bit.
603 (SWITCH_FALSE): Likewise.
604 (SWITCH_IGNORE): Likewise.
605 (switchstr): Change live_cond to unsigned int.
606 (process_command): Replace SWITCH_OK with 0.
607 (do_self_spec): Likewise.
608 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
609 (give_switch): Likewise.
610 (used_arg): Likewise.
611 (do_spec_1): Set the SWITCH_IGNORE bit.
612 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
613 bits. Set the SWITCH_LIVE bit.
615 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
617 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
619 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
621 PR tree-optimization/34472
622 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
623 parameter to a "bool *" and set *DATA to false if there is
624 an unsafe access. Do not delete the structure here.
625 (check_cond_exprs): Delete it here instead.
626 (check_cond_exprs, exclude_cold_structs): Do not increase
627 I when removing a structure.
629 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
632 * config/i386/i386.c (ix86_expand_vector_init): Consider only
633 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
635 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
638 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
639 a fixed vector for stack.
641 2008-01-24 Ben Elliston <bje@au.ibm.com>
644 * doc/gcc.texi (Software development): Add a direntry for g++.
646 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
648 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
649 stale and straggling -fforce-addr comments above.
651 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
653 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
654 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
656 2008-01-23 Michael Matz <matz@suse.de>
659 * dwarf2out.c (force_type_die): Use modified_type_die instead of
662 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
664 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
667 2008-01-23 Anatoly Sokolov <aesok@post.ru>
669 * config/avr/avr.c (avr_current_arch): New variable.
670 (avr_arch_types): Add 'avr31' and 'avr51' entries.
671 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
672 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
673 (avr_override_options): Init 'avr_current_arch'.
674 (base_arch_s): Move from here...
675 * config/avr/avr.h (base_arch_s): ... here. Add new members
676 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
677 'mega' to 'have_jmp_call'.
678 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
679 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
681 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
683 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
684 MULTILIB_MATCHES): (Ditto.).
686 2008-01-23 Richard Guenther <rguenther@suse.de>
689 * cgraphunit.c (cgraph_reset_node): Always mark the node
690 not reachable if it is not queued already.
692 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
694 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
695 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
696 (cputype_selected): New static variable.
697 (bfin_handle_option): Set it if -mcpu is used.
698 (override_option): Select default set of workarounds if no cpu type
699 selected on the command line.
700 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
702 From Michael Frysinger <michael.frysinger@analog.com>
703 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
704 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
706 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
707 for bf547, bf523, bf524, and bf526.
708 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
710 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
711 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
712 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
713 __ADSPBF547__ and __ADSPBF54x__ for bf547.
714 * doc/invoke.texi (Blackfin Options): Document that
715 -mcpu now accept bf547, bf523, bf524, and bf526.
717 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
719 PR rtl-optimization/34628
720 * combine.c (try_combine): Stop and undo after the first combination
721 if an autoincrement side-effect on the first insn has effectively
724 2008-01-22 David Edelsohn <edelsohn@gnu.org>
727 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
728 Offset addresses are not valid for Altivec or paired float modes.
730 2008-01-22 Jakub Jelinek <jakub@redhat.com>
733 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
734 if DECL_INITIAL (decl) is error_mark_node.
737 * c-common.c (handle_vector_size_attribute): Only allow
738 integral, scalar float and fixed point types. Handle OFFSET_TYPE
739 the same way as pointer, array etc. types.
740 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
743 * tree.c (build_type_attribute_qual_variant): Call
744 build_qualified_type if attributes are equal, but quals are not.
746 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
749 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
750 * flags.h (warn_strict_aliasing): Remove.
751 (warn_strict_overflow): Remove.
752 * opts.c (warn_strict_aliasing): Remove.
753 (warn_strict_overflow): Remove.
754 * c-opts.c (c_common_handle_option): -Wall only sets
755 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
756 (c_common_post_options): Give default values to -Wstrict-aliasing
757 and -Wstrict-overflow if they are uninitialized.
758 * common.opt (Wstrict-aliasing): Specify Var and Init.
759 (Wstrict-overflow): Likewise.
761 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
763 PR rtl-optimization/26854
764 PR rtl-optimization/34400
765 PR rtl-optimization/34884
766 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
768 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
769 (df_rd_bb_info.expanded_lr_out): Deleted
770 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
771 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
772 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
773 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
774 Removed code to allocate, initialize or free expanded_lr_out.
775 (df_rd_bb_local_compute_process_def): Restructured to make more
777 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
778 sets if the sets are being trimmed.
780 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
783 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
785 * configure: Regenerated.
787 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
790 * tree-pass.h (pass_build_alias): New pass.
791 * tree-ssa-alias.c (gate_build_alias): New.
792 (pass_build_alias): New.
793 * passes.c (init_optimization_passes): Add pass_build_alias after
794 pass_create_structure_vars.
796 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
798 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
799 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
800 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
801 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
802 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
803 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
804 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
805 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
806 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
807 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
808 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
809 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
810 * config/s390/s390.md (FP_ALL): New mode iterator.
811 (_d): New mode attribute.
812 ("*signbit<mode>2>"): Changed mode of first operand.
813 ("isinf<mode>2"): Changed mode of first operand.
814 ("*TDC_insn"): Adaptation for DFP modes.
816 2008-01-22 Ben Elliston <bje@au.ibm.com>
818 * tree.c (check_qualified_type): Improve function description.
820 2008-01-21 Jason Merrill <jason@redhat.com>
823 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
824 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
827 2008-01-21 DJ Delorie <dj@redhat.com>
829 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
832 2008-01-21 Richard Guenther <rguenther@suse.de>
835 * tree-cfg.c (verify_expr): Allow all invariant expressions
836 instead of just constant class ones as reference argument.
837 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
838 like any other constant.
839 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
841 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
843 * regmove.c (fixup_match_1): Update call crossed frequencies.
845 2008-01-21 Richard Guenther <rguenther@suse.de>
848 * tree-inline.c (setup_one_parameter): Deal with mismatched
849 types using a VIEW_CONVERT_EXPR.
851 2008-01-21 Alon Dayan <alond@il.ibm.com>
852 Olga Golovanevsky <olga@il.ibm.com>
854 PR tree-optimization/34701
855 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
856 when the structure size is not a power of 2.
858 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
860 * doc/install.texi: Add doc for --enable-checking=df.
862 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
864 PR rtl-optimization/34808
865 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
867 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
869 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
872 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
874 PR rtl-optimization/26854
875 PR rtl-optimization/34400
876 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
878 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
879 (df_rd_bb_info.expanded_lr_out): New.
880 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
881 * loop_iv.c (iv_analysis_loop_init): Ditto.
882 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
883 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
884 Added code to allocate, initialize or free expanded_lr_out.
885 (df_rd_bb_local_compute_process_def): Restructured to make
887 (df_rd_confluence_n): Add code to do nothing with fake edges and
888 code to no apply invalidate_by_call sets if the sets are being trimmed.
889 (df_lr_local_finalize): Renamed to df_lr_finalize.
890 (df_live_local_finalize): Renamed to df_live_finalize.
892 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
895 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
896 deciding whether to use reciprocal instructions.
898 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
900 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
901 dwarf2out_note_section_used if cold_text_section is NULL.
903 2008-01-19 Jakub Jelinek <jakub@redhat.com>
905 PR gcov-profile/34610
906 * tree-cfg.c (make_edges): Mark both outgoing edges from
907 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
908 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
909 from OMP_FOR and OMP_CONTINUE outgoing edges.
911 * tree-profile.c (tree_profiling): Return early if
912 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
914 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
915 from cfun to child_cfun.
916 * function.h (struct function): Add after_tree_profile bit.
918 2008-01-19 Anatoly Sokolov <aesok@post.ru>
920 * config/avr/avr.S (_exit): Disable interrupt.
922 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
923 Steven Bosscher <stevenb.gcc@gmail.com>
925 PR rtl-optimization/26854
926 PR rtl-optimization/34400
927 * df-problems.c (df_live_scratch): New scratch bitmap.
928 (df_live_alloc): Allocate df_live_scratch when doing df_live.
929 (df_live_reset): Clear the proper bitmaps.
930 (df_live_bb_local_compute): Only process the artificial defs once
931 since the order is not important.
932 (df_live_init): Init the df_live sets only with the variables
934 (df_live_transfer_function): Use the df_lr sets to prune the
935 df_live sets as they are being computed.
936 (df_live_free): Free df_live_scratch.
938 2008-01-18 Ian Lance Taylor <iant@google.com>
940 * common.opt: Add fmerge-debug-strings.
941 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
942 flag_merge_debug_strings rather than flag_merge_constants.
943 * doc/invoke.texi (Option Summary): Mention
944 -fmerge-debug-strings.
945 (Debugging Options): Document -fmerge-debug-strings.
947 2008-01-18 Ian Lance Taylor <iant@google.com>
950 * tree.h (DECL_IS_OPERATOR_NEW): Define.
951 (struct tree_function_decl): Add new field operator_new_flag.
952 * tree-inline.c (expand_call_inline): When inlining a call to
953 operator new, force the return value to go into a variable, and
954 set DECL_NO_TBAA_P on that variable.
955 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
957 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
960 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
961 DWARF2_DEBUGGING_INFO.
962 (dwarf2out_note_section_used): Ditto. Add prototype.
963 (have_multiple_function_sections, text_section_used,
964 cold_text_section_used, *cold_text_sections): Move declarations
967 2008-01-17 Bob Wilson <bob.wilson@acm.org>
969 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
970 field and add signal_ra.
971 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
972 assignments to frame state pc. Move end of stack check after
973 MD_FALLBACK_FRAME_STATE_FOR.
974 (uw_update_context_1): Use frame state signal_regs if set, instead
975 of checking signal_frame flag.
976 (uw_update_context): Use frame state signal_ra if set.
977 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
978 * config/xtensa/linux-unwind.h: New file.
980 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
982 * modulo-sched.c (get_sched_window): Fix comment typo.
984 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
986 PR tree-optimization/34648
987 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
989 2008-01-17 Anatoly Sokolov <aesok@post.ru>
991 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
992 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
994 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
996 PR rtl-optimization/34400
997 * df-core.c (df_worklist_dataflow_overeager,
998 df_worklist_dataflow_doublequeue): New functions.
999 (df_worklist_dataflow): Two different worklist solvers.
1000 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1003 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1006 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1007 and ftree-parallelize-loops.
1009 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1011 PR rtl-optimization/34826
1012 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1014 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1016 * global.c (find_reg): Mark the eh regs as used if necessary.
1017 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1018 * ra.h (struct allocno): no_eh_reg field added. Changed
1019 no_stack_reg type to bitfield.
1021 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1023 * tree.c (substitute_in_expr): Add missing 'break'.
1025 2008-01-17 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/34825
1028 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1029 x / x as division to handle.
1031 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1033 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1034 "-pthread" is specified.
1035 * pa-hpux11.h (LIB_SPEC): Likewise.
1037 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1038 Peter Bergner <bergner@vnet.ibm.com>
1040 PR rtl-optimization/33796
1041 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1043 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1045 PR libgfortran/34699
1046 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1048 * pa-hpux10.h (LINK_SPEC): Likewise.
1049 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1051 2008-01-16 Richard Guenther <rguenther@suse.de>
1054 * fold-const.c (fold_convert_const_int_from_int): Do not
1055 set overflow if that occured only because of a sign extension
1056 change when converting from/to a sizetype with the same
1057 precision and signedness.
1059 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1062 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1063 location address to the correct place. Update copyright year.
1065 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1067 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1068 no dependences in the dependence_relations vector.
1070 2008-01-16 Jan Hubicka <jh@suse.cz>
1072 PR rtl-optimization/31396
1073 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1074 * cfg.c (dump_reg_info): Print it.
1075 * regs.h (struct reg_info_t): add freq_calls_crossed.
1076 (REG_FREQ_CALLS_CROSSED): New macro.
1077 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1078 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1079 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1080 regmove_optimize): Update call crossed frequencies.
1081 * local-alloc.c (struct qty): Add freq_calls_crossed.
1082 (alloc_qty): Copute freq_calls_crossed.
1083 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1084 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1085 * ra.h (struct allocno): Add freq_calls_crossed.
1087 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1089 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1090 libgomp when compiling with ftree-parallelize-loops.
1091 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1093 2008-01-16 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/34769
1096 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1097 * tree.c (int_cst_value): Instead make this function more
1098 permissive in what it accepts as valid input. Document this
1099 function always sign-extends the value.
1101 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1102 Richard Guenther <rguenther@suse.de>
1105 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1106 (gimple_fold_indirect_ref_rhs): ... this.
1107 (gimple_fold_indirect_ref): New function with foldings
1108 that preserve lvalueness.
1109 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1110 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1111 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1112 to fold an INDIRECT_REF, fall back to the old use of
1113 fold_indirect_ref_1.
1115 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1117 * tree-data-ref.c (subscript_dependence_tester_1): Call
1118 free_conflict_function.
1119 (compute_self_dependence): Same.
1121 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1124 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1125 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1127 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1128 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1129 for DWARF2_UNWIND_INFO targets.
1131 2008-01-16 Richard Guenther <rguenther@suse.de>
1134 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1135 type qualifiers for function types.
1137 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1139 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1140 loop_iterator li from previous commit.
1142 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1144 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1146 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1148 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1149 (parallelize_loops): Don't parallelize irreducible components.
1151 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1154 * c-opts (c_common_post_options): Do not enable CPP
1155 flag_pedantic_errors by default.
1157 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1159 PR rtl-optimization/31944
1160 * cse.c (remove_pseudo_from_table): New function.
1161 (merge_equiv_classes): Use above function to remove pseudo-registers.
1162 (invalidate): Likewise.
1164 2008-01-13 Richard Guenther <rguenther@suse.de>
1167 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1168 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1170 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1172 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1173 validate_change to unshare the source of the PC set.
1175 2008-01-12 Jan Hubicka <jh@suse.cz>
1178 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1179 references above array bounds. This might trigger bounds checks for
1182 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1184 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1185 new_replaceable_dependencies.
1187 2008-01-12 Doug Kwan <dougkwan@google.com>
1189 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1190 instead of OPT_Wreturn_type in warning due to ignored return type
1192 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1193 options included in -Wextra.
1194 * c.opt: New option -Wignored_qualifiers.
1195 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1196 -Wignore_qualifiers.
1197 (-Wignored-qualifiers): Document.
1198 (-Wreturn-type): Remove description of functionality now handled
1199 by -Wignored-qualifiers.
1201 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1204 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1205 NOP_EXPR if it is between integral types with the same precision.
1207 2008-01-12 Jan Hubicka <jh@suse.cz>
1210 * invoke.texi (max-inline-recursive-depth): Fix default value.
1212 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1214 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1217 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1219 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1221 2008-01-11 James E. Wilson <wilson@specifix.com>
1224 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1226 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1228 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1229 save/restore frame pointer register and don't use 'call-prologues'
1230 optimization in function with "OS_task" attribute.
1232 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1235 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1236 when copying to memory.
1238 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1240 PR rtl-optimization/30905
1241 * cfgcleanup.c: Include dce.h
1242 (crossjumps_occured): New global variable.
1243 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1244 If something changed, set crossjumps_occured to true.
1245 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1246 Don't add/remove fake edges to exit here...
1247 (cleanup_cfg): ...but do it here, when crossjumping.
1248 Run a fast DCE when successful crossjumps occured in the latest
1249 iteration of try_optimize_cfg.
1251 2008-01-11 Richard Guenther <rguenther@suse.de>
1253 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1254 (struct vn_unary_op_s): Likewise.
1255 (vn_reference_insert): Free old reference on hash collision.
1257 2008-01-10 Raksit Ashok <raksit@google.com>
1259 PR rtl-optimization/27971
1260 * combine.c (find_split_point): Split PLUS expressions which are
1261 inside a MEM rtx, and whose first operand is complex.
1263 2008-01-10 DJ Delorie <dj@redhat.com>
1265 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1266 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1267 (m32c_hard_regno_ok): Call the underlying function.
1269 2008-01-10 Richard Guenther <rguenther@suse.de>
1272 * tree-cfg.c (tree_merge_blocks): Do not go through the
1273 full-blown folding and stmt updating path if we just deal
1274 with virtual operands.
1275 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1276 test for abnormal SSA_NAMEs.
1278 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1281 * reload.c (push_reload): Add assertions. All constants from
1282 reg_equiv_constant should have been used for replacing the respective
1284 (find_reloads_address): Invoke find_reloads_address_part for
1285 constant taken from the reg_equiv_constant array.
1287 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1289 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1290 field (valnum) the first in the struct. Replace bools with
1293 2008-01-10 Richard Guenther <rguenther@suse.de>
1295 PR tree-optimization/34651
1296 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1297 types and ordering for masking and converting.
1299 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1301 PR tree-optimization/34017
1302 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1303 also for PHI_NODE expressions.
1305 2008-01-09 Jan Hubicka <jh@suse.cz>
1307 PR tree-optimization/34708
1308 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1309 based on number of case labels.
1310 (init_inline_once): Remove switch_cost.
1311 * tree-inline.h (eni_weights_d): Remove switch_cost.
1313 2008-01-09 Richard Guenther <rguenther@suse.de>
1314 Andrew Pinski <andrew_pinski@playstation.sony.com>
1317 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1318 temporary if an rvalue is ok or an lvalue is not required.
1320 2008-01-09 Richard Guenther <rguenther@suse.de>
1323 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1326 2008-01-09 Richard Guenther <rguenther@suse.de>
1329 * tree.c (host_integerp): Check for sizetype only if the
1330 type is an integer type.
1332 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1335 * opts.c (decode_options): Disable inlining of functions called
1336 once if not in unit-at-a-time mode.
1338 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1340 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1342 2008-01-08 Richard Guenther <rguenther@suse.de>
1345 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1346 out early if the result will be unused.
1348 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1353 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1354 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1357 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1359 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1360 for vectorization tuned.
1362 2008-01-08 Richard Guenther <rguenther@suse.de>
1364 PR tree-optimization/34683
1365 * tree-ssa-operands.c (operand_build_cmp): Export.
1366 * tree-ssa-operands.h (operand_build_cmp): Declare.
1367 * tree-vn.c (vuses_compare): Remove.
1368 (sort_vuses): Use operand_build_cmp.
1369 (sort_vuses_heap): Likewise.
1370 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1371 to re-use old VEC if available. Do not sort already sorted VUSEs.
1372 (vdefs_to_vec): Do not sort already sorted VDEFs.
1374 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1377 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1379 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1382 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1383 limitations of reciprocal sequences on x86 targets.
1385 2008-01-08 Richard Guenther <rguenther@suse.de>
1387 PR tree-optimization/34683
1388 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1390 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1393 * config/darwin.c (darwin_mergeable_string_section): Don't use
1394 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1396 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1399 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1400 negxf2. Macroize expander using X87MODEF mode iterator. Change
1401 predicates of op0 and op1 to register_operand.
1402 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1403 expander using X87MODEF mode iterator. Change predicates of
1404 op0 and op1 to register_operand.
1405 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1406 corresponding patterns and macroize using MODEF macro. Change
1407 predicates of op0 and op1 to register_operand and remove
1408 "m" constraint. Disparage "r" alternative with "!".
1409 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1410 macroize using X87MODEF macro. Change predicates of op0 and op1
1411 to register_operand and remove "m" constraint. Disparage "r"
1412 alternative with "!".
1413 (absneg splitter with memory operands): Remove.
1414 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1415 patterns and macroize using X87MODEF mode iterator.
1416 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1417 Change predicate of op1 to register_operand.
1418 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1419 for memory operands.
1421 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1423 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1425 2008-01-07 Richard Guenther <rguenther@suse.de>
1427 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1430 2008-01-07 Richard Guenther <rguenther@suse.de>
1432 PR tree-optimization/34683
1433 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1434 VOPs of the needed size to save memory. Use VEC_quick_push
1435 to save compile-time.
1436 (vdefs_to_vec): Likewise.
1438 2008-01-07 Sa Liu <saliu@de.ibm.com>
1440 * config/spu/spu.md (divdf3): Genetate inline code for double
1441 division. The implementation doesn't handle INF or NAN, therefore it
1442 only applies when -ffinite-math-only is given.
1444 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1447 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1448 * doc/cpp.texi ([Common Predefined Macros]): Document.
1450 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1452 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1453 order to use commutative addition instead of subtraction.
1455 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1456 Mircea Namolaru <namolaru@il.ibm.com>
1457 Vladimir Yanovsky <yanov@il.ibm.com>
1458 Revital Eres <eres@il.ibm.com>
1460 PR tree-optimization/34263
1461 * tree-outof-ssa.c (process_single_block_loop_latch,
1462 contains_tree_r): New functions.
1463 (analyze_edges_for_bb): Call process_single_block_loop_latch
1464 function to empty single-basic-block latch block if possible.
1466 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1468 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1470 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1472 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1474 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1476 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1478 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1480 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1482 PR tree-optimization/34618
1483 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1486 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1489 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1490 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1491 Update copyright year.
1493 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1494 Update copyright year.
1495 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1498 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1500 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1501 edge does not point to current bb before changing need_assert.
1503 2008-01-04 Richard Guenther <rguenther@suse.de>
1506 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1507 for verifying purposes if they are is_gimple_min_invariant.
1509 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1511 PR tree-optimization/34448
1512 PR tree-optimization/34465
1513 * gimplify.c (gimplify_init_constructor): Add new parameter
1514 notify_temp_creation. Use it.
1515 (gimplify_modify_expr_rhs): Take volatiles into account when
1516 optimizing constructors.
1517 Do not optimize constructors if gimplify_init_constructor will dump to
1519 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1520 * gcc.c-torture/compile/pr34448.c: New.
1522 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1524 PR gcov-profile/34609
1525 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1526 return_slot if result is TREE_ADDRESSABLE.
1528 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1530 * config/mips/mips.md (sqrt_condition): Tweak comment.
1531 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1533 2008-01-03 Tom Tromey <tromey@redhat.com>
1536 * c-common.c (c_type_hash): Handle VLAs.
1538 2008-01-03 Jan Hubicka <jh@suse.cz>
1540 PR tree-optimization/31081
1541 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1542 0 when inlining and not inlining to first basic block.
1543 (remap_decl): When var is initialized to 0, don't set default_def.
1544 (expand_call_inline): Set entry_bb.
1545 * tree-inline.h (copy_body_data): Add entry_bb.
1547 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1550 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1553 PR tree-optimization/29484
1554 * tree-inline.c (inline_forbidden_p_2): New function.
1555 (inline_forbidden_p): Disallow inlining if some static var
1556 has an address of a local LABEL_DECL in its initializer.
1557 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1560 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1562 PR tree-optimization/34635
1563 * tree-data-ref.c (add_other_self_distances): Make sure that the
1564 evolution step is constant.
1566 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1569 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1571 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1573 * tree-sra.c (scalarize_init): Insert the generate_element_init
1574 statements after the generate_element_zero statements.
1576 2008-01-02 Richard Guenther <rguenther@suse.de>
1580 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1581 for very large number of operands instead of ICEing.
1583 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1586 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1587 while stack probing.
1589 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1591 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1594 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1597 * tree-mudflap.c (mx_register_decls): Guard warning by
1598 !DECL_ARTIFICIAL check.
1600 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1602 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1603 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1604 sse5_perm<mode>): Fix constraints.