1 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
4 * optabs.c (expand_float): Do not check for decimal modes when
5 expanding unsigned integer through signed conversion.
7 2008-02-06 Nick Clifton <nickc@redhat.com>
9 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10 inside the clobber with a match_operand and duplicated operand
11 number in the constraint.
12 (ineqbranchsi): Delete redundant comment.
14 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
16 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
17 builtin_define ("__USE_INIT_FINI__").
18 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
20 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
22 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
24 PR documentation/30330
25 * doc/invoke.texi (C++ Dialect Options)
26 (Objective-C and Objective-C++ Dialect Options, Warning Options):
27 For each warning option -Wfoo that allows -Wno-foo, ensure both
28 -Wfoo and -Wno-foo are listed in the option index. Fix index
29 entry of -Wswitch-default, index -Wnormalized= including the
30 `=', and -Wlarger-than-@var{len} including @var{len}.
32 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
34 * config/i386/i386.md (floatunssisf2): Use
35 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
36 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
37 Macroize expander using MODEF mode iterator.
39 2008-02-05 Diego Novillo <dnovillo@google.com>
41 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
44 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
46 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
51 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
54 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
55 to indicate if a message should be generated.
56 (init_cumulative_args): Updated.
57 (function_value_32): Likewise.
59 2008-02-05 Joseph Myers <joseph@codesourcery.com>
61 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
63 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
66 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
67 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
69 2008-02-04 Diego Novillo <dnovillo@google.com>
71 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
74 * tree-vrp.c (vrp_evaluate_conditional): With
75 -Wtype-limits, emit a warning when comparing against a
76 constant outside the natural range of OP0's type.
78 2008-02-04 Richard Guenther <rguenther@suse.de>
81 * expr.c (count_type_elements): Give for unions instead of
84 2008-02-04 Richard Guenther <rguenther@suse.de>
87 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
88 to TYPE_DOMAINs base type instead of using bitsizetype here.
90 2008-02-03 Jason Merrill <jason@redhat.com>
92 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
94 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
97 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
98 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
99 (RS/6000 and PowerPC Options): Fix typos and markup.
100 * doc/passes.texi (Tree-SSA passes): Likewise.
102 2008-02-02 Michael Matz <matz@suse.de>
105 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
106 from record_last_reg_set_info.
107 (record_last_reg_set_info): Take an RTX argument, iterate over all
108 constituent hardregs.
109 (record_last_set_info, record_opr_changes): Change calls to
110 new signature or to record_last_reg_set_info_regno.
112 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
114 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
116 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
118 PR rtl-optimization/34773
119 * reg-notes.def (EQUAL): Mention significance of combination of
120 REG_EQUAL and REG_RETVAL.
121 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
122 insn that has a REG_RETVAL.
124 2008-02-01 Roger Sayle <roger@eyesopen.com>
127 * configure.ac (--enable-fixed-point): Disable unless explicitly
129 * configure: Regenerate.
131 2008-02-01 Richard Guenther <rguenther@suse.de>
134 * invoke.texi (-finline-limit): Remove no longer true parts
135 of the documentation. Note that there is no default value.
137 2008-02-01 Andrew Pinski <pinskia@gmail.com>
138 Mark Mitchell <mark@codesourcery.com>
139 Ben Elliston <bje@au.ibm.com>
142 * doc/extend.texi (Other Builtins): Document.
144 2008-01-31 Tom Browder <tom.browder@gmail.com>
146 * doc/c-tree.texi (Types): Fix grammar.
147 (Expression trees): Ditto.
148 * doc/passes.texi (Tree-SSA passes): Ditto.
150 * doc/configterms.texi (Configure Terms): Fix typo.
151 * doc/cpp.texi (Common Predefined Macros): Ditto.
152 * doc/md.texi (Machine Constraints): Ditto.
154 * doc/makefile.texi (Makefile): Add comma.
156 2008-01-31 Tom Browder <tom.browder@gmail.com>
157 Gerald Pfeifer <gerald@pfeifer.com>
159 * doc/sourcebuild.texi (Front End): Remove references to CVS
161 (Texinfo Manuals): Replace reference to CVS by one to SVN.
162 (Back End): Remove reference to CVS.
164 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
167 * config/mips/mips.c (gen_load_const_gp): New function, taking a
169 (mips16_gp_pseudo_reg): ...here.
170 * config/mips/mips.md (load_const_gp): Replace with...
171 (load_const_gp_<mode>): ...this :P-based insn.
173 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
175 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
176 options. Minor fixes.
177 (-std): Move reference to standards closer to where language
178 standards are first mentioned.
180 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
182 PR rtl-optimization/34995
183 * reload.c (alternative_allows_const_pool_ref): Take an rtx
184 parameter and return a bool. If the rtx parameter is nonnull,
185 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
186 (find_reloads): Update call accordingly. Pass the new operand
187 if it needed no address reloads, otherwise pass null.
189 2008-01-30 Richard Henderson <rth@redhat.com>
192 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
193 for unbounded arrays.
195 2008-01-30 Silvius Rus <rus@google.com>
197 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
199 2008-01-30 Jan Hubicka <jh@suse.cz>
202 * i386.c (init_cumulative_args): Use real function declaration when
205 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
207 PR rtl-optimization/34998
208 * global.c (build_insn_chain): Treat non-subreg_lowpart
209 SUBREGs of pseudos as clobbering all the words covered by the
210 SUBREG, not just all the bytes.
211 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
212 original df_ref rather than an extract parameter.
213 (global_conflicts): Update call accordingly.
215 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
217 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
218 the overflow check to make it easier to read.
219 (__fixtfdi): Change the type of the ll member in union
220 long_double to UDItype_x.
222 2008-01-30 Jakub Jelinek <jakub@redhat.com>
225 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
226 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
227 * tree-inline.c (fold_marked_statements): Call
228 cgraph_update_edges_for_call_stmt if folding a call statement.
229 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
230 debug_generic_stmt calls, reset it back afterwards.
233 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
235 * c-typeck.c (build_external_ref): Don't pedwarn about
236 static vars in current function's scope.
238 2008-01-29 Joseph Myers <joseph@codesourcery.com>
240 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
242 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
245 * ipa-struct-reorg.c: Fix spelling.
248 2008-01-29 Richard Guenther <rguenther@suse.de>
251 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
253 * tree-inline.c (remap_type): Increment remapping_type_depth
254 around remapping types.
255 (copy_body_r): Only add referenced variables if they are referenced
256 from code, not types.
258 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
269 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
270 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
272 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
275 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
276 pointer for tiny stack.
278 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
280 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
282 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
284 * config/vx-common.h: Fix typo in comment.
286 2008-01-28 Ian Lance Taylor <iant@google.com>
290 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
291 coalesce pointers if they have different DECL_NO_TBAA_P values.
292 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
293 between variables with different DECL_NO_TBAA_P values.
295 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
298 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
299 are not legitimate small data references on SPE targets.
301 2008-01-28 David Daney <ddaney@avtrex.com>
303 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
305 2008-01-28 David Daney <ddaney@avtrex.com>
307 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
309 2008-01-27 Joseph Myers <joseph@codesourcery.com>
311 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
312 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
313 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
314 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
315 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
316 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
317 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
318 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
320 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
322 * basic-block.h (condjump_equiv_p): Fix comment.
324 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
326 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
327 print_generic_stmt_indented): Fix comment.
329 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
331 * configure.ac (__stack_chk_fail): Add detecion for availability
332 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
333 * configure: Regenerate.
335 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
338 * final.c (output_addr_const): Handle TRUNCATE.
340 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
343 * tree-ssa-loop-ivopts.c (comp_cost): New type.
344 (zero_cost, infinite_cost): New constants.
345 (struct cost_pair): Change type of cost to comp_cost.
346 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
347 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
349 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
350 split_address_cost, ptr_difference_cost, difference_cost,
351 get_computation_cost_at, get_computation_cost,
352 determine_use_iv_cost_generic, determine_use_iv_cost_address,
353 determine_use_iv_cost_condition, determine_use_iv_costs,
354 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
355 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
356 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
357 Change type of cost to comp_cost.
358 (determine_iv_cost): Increase cost of non-original ivs, instead
359 of decreasing the cost of original ones.
360 (get_address_cost): Indicate the complexity of the addressing mode
362 (try_add_cand_for): Prefer using ivs not specific to some object.
363 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
365 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
366 Janis Johnson <janis187@us.ibm.com>
369 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
370 (TARGET_INSTANTIATE_DECLS): Likewise.
371 * target.h (expand_to_rtl_hook): New target hook.
372 (instantiate_decls): Likewise.
373 * function.c (instantiate_decl): Make non-static. Rename to...
374 (instantiate_decl_rtl): ... this.
375 (instantiate_expr): Use instantiate_decl_rtl.
376 (instantiate_decls_1): Likewise.
377 (instantiate_decls): Likewise.
378 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
379 * function.h (instantiate_decl_rtl): Add prototype.
380 * cfgexpand.c (target.h): New include.
381 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
382 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
383 (TARGET_INSTANTIATE_DECLS): Likewise.
384 (TARGET_INITIALIZER): New target hooks added.
385 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
387 * config/rs6000/rs6000.c (tree-flow.h): New include.
388 (machine_function): Add sdmode_stack_slot field.
389 (rs6000_alloc_sdmode_stack_slot): New function.
390 (rs6000_instantiate_decls): Likewise.
391 (rs6000_secondary_memory_needed_rtx): Likewise.
392 (rs6000_check_sdmode): Likewise.
393 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
394 (TARGET_INSTANTIATE_DECLS): Likewise.
395 (rs6000_hard_regno_mode_ok): Allow SDmode.
396 (num_insns_constant): Likewise. Handle _Decimal32 constants.
397 (rs6000_emit_move): Handle SDmode.
398 (function_arg_advance): Likewise.
399 (function_arg): Likewise.
400 (rs6000_gimplify_va_arg): Likewise. Add special handling of
401 SDmode var args for 32-bit compiles.
402 (rs6000_secondary_reload_class): Handle SDmode.
403 (rs6000_output_function_epilogue): Likewise.
404 (rs6000_function_value): Simplify if statement.
405 (rs6000_libcall_value): Likewise.
406 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
407 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
408 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
409 (movsd_hardfloat): New define_insn.
410 (movsd_softfloat): Likewise.
411 (movsd_store): Likewise.
412 (movsd_load): Likewise.
413 (extendsddd2): Likewise.
414 (extendsdtd2): Likewise.
415 (truncddsd2): Likewise.
416 (movdd_hardfloat64): Fixup comment.
417 (UNSPEC_MOVSD_LOAD): New constant.
418 (UNSPEC_MOVSD_STORE): Likewise.
420 2008-01-26 Jakub Jelinek <jakub@redhat.com>
423 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
425 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
426 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
427 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
430 2008-01-26 David Edelsohn <edelsohn@gnu.org>
433 * config.gcc: Separate AIX 5.3 from AIX 6.1.
434 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
436 * config/rs6000/aix61.h: New file.
438 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
440 PR rtl-optimization/34959
441 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
442 popcount and parity rtxes the same mode as their operand.
443 Truncate or extend the result to the return value's mode
446 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
449 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
450 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
451 to GOT_VERSION_REGNUM.
452 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
453 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
454 * config/mips/mips.c (mips_emit_call_insn): New function.
455 (mips_call_tls_get_addr): Call mips_expand_call directly.
456 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
458 (mips16_build_call_stub): Likewise. Return the call insn or null.
459 (mips_expand_call): Update the call to mips16_build_call_stub
460 accordingly and a remove redundant condition. Assert that MIPS16
461 stubs do not use lazy binding. Use mips_emit_call_insn and return
463 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
465 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
466 (mips_avoid_hazard): Remove hazard_set handling.
467 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
468 (UNSPEC_RESTORE_GP): ...this.
469 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
470 (FAKE_CALL_REGNO): Rename to...
471 (GOT_VERSION_REGNUM): ...this.
472 (type): Add "ghost" value. Add an associated insn reservation.
473 (hazard_set): Remove.
474 (exception_receiver): Rename to...
475 (restore_gp): ...this and update the unspec identifier accordingly.
476 (exception_receiver, nonlocal_got_receiver): New expanders.
477 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
478 FAKE_CALL_REGNO. Remove hazard_set attribute.
479 (set_got_version, update_got_version): New patterns.
481 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
484 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
486 2008-01-25 Joseph Myers <joseph@codesourcery.com>
489 * doc/install.texi2html: Generate gcc-vers.texi.
491 2008-01-25 DJ Delorie <dj@redhat.com>
493 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
495 2008-01-25 Joseph Myers <joseph@codesourcery.com>
497 * config/c4x: Remove directory.
498 * config.gcc (crx-*, mt-*): Mark obsolete.
499 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
500 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
501 sh-*-rtemscoff*): Remove cases.
502 * defaults.h (C4X_FLOAT_FORMAT): Remove.
503 * real.c (encode_c4x_single, decode_c4x_single,
504 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
505 c4x_extended_format): Remove.
506 * real.h (c4x_single_format, c4x_extended_format): Remove.
507 * doc/extend.texi (interrupt, naked): Remove mention of attributes
509 (Pragmas): Remove comment about c4x pragmas.
510 * doc/install.texi (c4x): Remove target-specific instructions.
511 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
512 * doc/md.texi (Machine Constraints): Remove C4x documentation.
513 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
514 refer to C4x source files as examples.
515 (C4X_FLOAT_FORMAT): Remove documentation.
517 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
519 * config/bfin/bfin.c (override_options): Reorder tests so that
520 flag_pic gets enabled for -msep-data.
522 2008-01-25 Richard Guenther <rguenther@suse.de>
525 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
526 to its bitfield precision if required.
528 2008-01-25 Jakub Jelinek <jakub@redhat.com>
531 * tree-nested.c (walk_omp_for): New function.
532 (convert_nonlocal_reference, convert_local_reference): Call
533 walk_omp_for on OMP_FOR.
534 (convert_call_expr): Call walk_body on OMP_FOR's
535 OMP_FOR_PRE_INIT_BODY.
537 2008-01-25 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/34966
540 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
541 default defs and PHI_NODEs we have to insert after the
544 2008-01-24 Nick Clifton <nickc@redhat.com>
546 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
547 Provide a default definition.
548 (LIBGCC2_UNITS_PER_WORD): Likewise.
550 * config/stormy16/stormy16.c: Include df.h for the prototype
551 for df_regs_ever_live_p.
552 (xstormy16_expand_builtin_va_start): Convert the stack offset
553 into a component_ref and then use POINTER_PLUS_EXPR to add it
554 to the incoming_virtual_args_rtx.
555 (xstormy16_gimplify_va_arg_expr): Rename to
556 xstormy16_gimplify_va_arg_expr.
557 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
558 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
559 xstormy16_gimplify_va_arg_expr.
560 Fix up some formatting issues.
562 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
563 Move to predicates.md.
564 (xs_hi_general_operand): Likewise.
565 (xs_hi_nonmemory_operand): Likewise.
566 * config/stormy16/predicates.md:
567 (xstormy16_carry_plus_operand): New predicate.
568 (xs_hi_general_operand): New predicate.
569 (xs_hi_nonmemory_operand): New predicate.
570 * config/stormy16/stormy16-protos.h:
571 (xstormy16_carry_plus_operand): Delete prototype.
572 (xs_hi_general_operand): Likewise.
573 (xs_hi_nonmemory_operand): Likewise.
575 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
576 modifiers as they are no longer needed and they can trigger
577 reload spill failures.
579 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
580 with a match_operand in order to help reload.
582 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
583 constraint with 'e' for the 8th alternative as this version of
584 the mov.w instruction only accepts the lower 8 registers.
586 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
589 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
590 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
593 2008-01-25 Jakub Jelinek <jakub@redhat.com>
596 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
598 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
600 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
602 (remove_structure): Update allocations list before removing structure.
604 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
606 * ipa-struct-reorg.c (is_safe_cond_expr,
607 create_new_stmts_for_cond_expr): Use integer_zerop function,
608 that recognize not only zero-pointer, but zero-integer too.
610 2008-01-25 Ben Elliston <bje@au.ibm.com>
613 * fixproto: Escape "." in sed expression that strips leading "./".
615 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
618 * gcc.c (SWITCH_OK): Removed.
619 (SWITCH_LIVE): Changed to bit.
620 (SWITCH_FALSE): Likewise.
621 (SWITCH_IGNORE): Likewise.
622 (switchstr): Change live_cond to unsigned int.
623 (process_command): Replace SWITCH_OK with 0.
624 (do_self_spec): Likewise.
625 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
626 (give_switch): Likewise.
627 (used_arg): Likewise.
628 (do_spec_1): Set the SWITCH_IGNORE bit.
629 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
630 bits. Set the SWITCH_LIVE bit.
632 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
634 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
636 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
638 PR tree-optimization/34472
639 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
640 parameter to a "bool *" and set *DATA to false if there is
641 an unsafe access. Do not delete the structure here.
642 (check_cond_exprs): Delete it here instead.
643 (check_cond_exprs, exclude_cold_structs): Do not increase
644 I when removing a structure.
646 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
649 * config/i386/i386.c (ix86_expand_vector_init): Consider only
650 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
652 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
655 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
656 a fixed vector for stack.
658 2008-01-24 Ben Elliston <bje@au.ibm.com>
661 * doc/gcc.texi (Software development): Add a direntry for g++.
663 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
665 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
666 stale and straggling -fforce-addr comments above.
668 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
670 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
671 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
673 2008-01-23 Michael Matz <matz@suse.de>
676 * dwarf2out.c (force_type_die): Use modified_type_die instead of
679 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
681 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
684 2008-01-23 Anatoly Sokolov <aesok@post.ru>
686 * config/avr/avr.c (avr_current_arch): New variable.
687 (avr_arch_types): Add 'avr31' and 'avr51' entries.
688 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
689 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
690 (avr_override_options): Init 'avr_current_arch'.
691 (base_arch_s): Move from here...
692 * config/avr/avr.h (base_arch_s): ... here. Add new members
693 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
694 'mega' to 'have_jmp_call'.
695 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
696 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
698 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
700 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
701 MULTILIB_MATCHES): (Ditto.).
703 2008-01-23 Richard Guenther <rguenther@suse.de>
706 * cgraphunit.c (cgraph_reset_node): Always mark the node
707 not reachable if it is not queued already.
709 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
711 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
712 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
713 (cputype_selected): New static variable.
714 (bfin_handle_option): Set it if -mcpu is used.
715 (override_option): Select default set of workarounds if no cpu type
716 selected on the command line.
717 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
719 From Michael Frysinger <michael.frysinger@analog.com>
720 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
721 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
723 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
724 for bf547, bf523, bf524, and bf526.
725 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
727 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
728 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
729 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
730 __ADSPBF547__ and __ADSPBF54x__ for bf547.
731 * doc/invoke.texi (Blackfin Options): Document that
732 -mcpu now accept bf547, bf523, bf524, and bf526.
734 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
736 PR rtl-optimization/34628
737 * combine.c (try_combine): Stop and undo after the first combination
738 if an autoincrement side-effect on the first insn has effectively
741 2008-01-22 David Edelsohn <edelsohn@gnu.org>
744 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
745 Offset addresses are not valid for Altivec or paired float modes.
747 2008-01-22 Jakub Jelinek <jakub@redhat.com>
750 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
751 if DECL_INITIAL (decl) is error_mark_node.
754 * c-common.c (handle_vector_size_attribute): Only allow
755 integral, scalar float and fixed point types. Handle OFFSET_TYPE
756 the same way as pointer, array etc. types.
757 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
760 * tree.c (build_type_attribute_qual_variant): Call
761 build_qualified_type if attributes are equal, but quals are not.
763 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
766 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
767 * flags.h (warn_strict_aliasing): Remove.
768 (warn_strict_overflow): Remove.
769 * opts.c (warn_strict_aliasing): Remove.
770 (warn_strict_overflow): Remove.
771 * c-opts.c (c_common_handle_option): -Wall only sets
772 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
773 (c_common_post_options): Give default values to -Wstrict-aliasing
774 and -Wstrict-overflow if they are uninitialized.
775 * common.opt (Wstrict-aliasing): Specify Var and Init.
776 (Wstrict-overflow): Likewise.
778 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
780 PR rtl-optimization/26854
781 PR rtl-optimization/34400
782 PR rtl-optimization/34884
783 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
785 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
786 (df_rd_bb_info.expanded_lr_out): Deleted
787 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
788 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
789 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
790 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
791 Removed code to allocate, initialize or free expanded_lr_out.
792 (df_rd_bb_local_compute_process_def): Restructured to make more
794 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
795 sets if the sets are being trimmed.
797 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
800 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
802 * configure: Regenerated.
804 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
807 * tree-pass.h (pass_build_alias): New pass.
808 * tree-ssa-alias.c (gate_build_alias): New.
809 (pass_build_alias): New.
810 * passes.c (init_optimization_passes): Add pass_build_alias after
811 pass_create_structure_vars.
813 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
815 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
816 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
817 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
818 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
819 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
820 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
821 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
822 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
823 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
824 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
825 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
826 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
827 * config/s390/s390.md (FP_ALL): New mode iterator.
828 (_d): New mode attribute.
829 ("*signbit<mode>2>"): Changed mode of first operand.
830 ("isinf<mode>2"): Changed mode of first operand.
831 ("*TDC_insn"): Adaptation for DFP modes.
833 2008-01-22 Ben Elliston <bje@au.ibm.com>
835 * tree.c (check_qualified_type): Improve function description.
837 2008-01-21 Jason Merrill <jason@redhat.com>
840 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
841 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
844 2008-01-21 DJ Delorie <dj@redhat.com>
846 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
849 2008-01-21 Richard Guenther <rguenther@suse.de>
852 * tree-cfg.c (verify_expr): Allow all invariant expressions
853 instead of just constant class ones as reference argument.
854 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
855 like any other constant.
856 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
858 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
860 * regmove.c (fixup_match_1): Update call crossed frequencies.
862 2008-01-21 Richard Guenther <rguenther@suse.de>
865 * tree-inline.c (setup_one_parameter): Deal with mismatched
866 types using a VIEW_CONVERT_EXPR.
868 2008-01-21 Alon Dayan <alond@il.ibm.com>
869 Olga Golovanevsky <olga@il.ibm.com>
871 PR tree-optimization/34701
872 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
873 when the structure size is not a power of 2.
875 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
877 * doc/install.texi: Add doc for --enable-checking=df.
879 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
881 PR rtl-optimization/34808
882 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
884 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
886 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
889 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
891 PR rtl-optimization/26854
892 PR rtl-optimization/34400
893 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
895 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
896 (df_rd_bb_info.expanded_lr_out): New.
897 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
898 * loop_iv.c (iv_analysis_loop_init): Ditto.
899 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
900 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
901 Added code to allocate, initialize or free expanded_lr_out.
902 (df_rd_bb_local_compute_process_def): Restructured to make
904 (df_rd_confluence_n): Add code to do nothing with fake edges and
905 code to no apply invalidate_by_call sets if the sets are being trimmed.
906 (df_lr_local_finalize): Renamed to df_lr_finalize.
907 (df_live_local_finalize): Renamed to df_live_finalize.
909 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
912 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
913 deciding whether to use reciprocal instructions.
915 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
917 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
918 dwarf2out_note_section_used if cold_text_section is NULL.
920 2008-01-19 Jakub Jelinek <jakub@redhat.com>
922 PR gcov-profile/34610
923 * tree-cfg.c (make_edges): Mark both outgoing edges from
924 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
925 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
926 from OMP_FOR and OMP_CONTINUE outgoing edges.
928 * tree-profile.c (tree_profiling): Return early if
929 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
931 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
932 from cfun to child_cfun.
933 * function.h (struct function): Add after_tree_profile bit.
935 2008-01-19 Anatoly Sokolov <aesok@post.ru>
937 * config/avr/avr.S (_exit): Disable interrupt.
939 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
940 Steven Bosscher <stevenb.gcc@gmail.com>
942 PR rtl-optimization/26854
943 PR rtl-optimization/34400
944 * df-problems.c (df_live_scratch): New scratch bitmap.
945 (df_live_alloc): Allocate df_live_scratch when doing df_live.
946 (df_live_reset): Clear the proper bitmaps.
947 (df_live_bb_local_compute): Only process the artificial defs once
948 since the order is not important.
949 (df_live_init): Init the df_live sets only with the variables
951 (df_live_transfer_function): Use the df_lr sets to prune the
952 df_live sets as they are being computed.
953 (df_live_free): Free df_live_scratch.
955 2008-01-18 Ian Lance Taylor <iant@google.com>
957 * common.opt: Add fmerge-debug-strings.
958 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
959 flag_merge_debug_strings rather than flag_merge_constants.
960 * doc/invoke.texi (Option Summary): Mention
961 -fmerge-debug-strings.
962 (Debugging Options): Document -fmerge-debug-strings.
964 2008-01-18 Ian Lance Taylor <iant@google.com>
967 * tree.h (DECL_IS_OPERATOR_NEW): Define.
968 (struct tree_function_decl): Add new field operator_new_flag.
969 * tree-inline.c (expand_call_inline): When inlining a call to
970 operator new, force the return value to go into a variable, and
971 set DECL_NO_TBAA_P on that variable.
972 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
974 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
977 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
978 DWARF2_DEBUGGING_INFO.
979 (dwarf2out_note_section_used): Ditto. Add prototype.
980 (have_multiple_function_sections, text_section_used,
981 cold_text_section_used, *cold_text_sections): Move declarations
984 2008-01-17 Bob Wilson <bob.wilson@acm.org>
986 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
987 field and add signal_ra.
988 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
989 assignments to frame state pc. Move end of stack check after
990 MD_FALLBACK_FRAME_STATE_FOR.
991 (uw_update_context_1): Use frame state signal_regs if set, instead
992 of checking signal_frame flag.
993 (uw_update_context): Use frame state signal_ra if set.
994 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
995 * config/xtensa/linux-unwind.h: New file.
997 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
999 * modulo-sched.c (get_sched_window): Fix comment typo.
1001 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1003 PR tree-optimization/34648
1004 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1006 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1008 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1009 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1011 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1013 PR rtl-optimization/34400
1014 * df-core.c (df_worklist_dataflow_overeager,
1015 df_worklist_dataflow_doublequeue): New functions.
1016 (df_worklist_dataflow): Two different worklist solvers.
1017 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1020 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1023 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1024 and ftree-parallelize-loops.
1026 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1028 PR rtl-optimization/34826
1029 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1031 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1033 * global.c (find_reg): Mark the eh regs as used if necessary.
1034 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1035 * ra.h (struct allocno): no_eh_reg field added. Changed
1036 no_stack_reg type to bitfield.
1038 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1040 * tree.c (substitute_in_expr): Add missing 'break'.
1042 2008-01-17 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/34825
1045 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1046 x / x as division to handle.
1048 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1050 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1051 "-pthread" is specified.
1052 * pa-hpux11.h (LIB_SPEC): Likewise.
1054 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1055 Peter Bergner <bergner@vnet.ibm.com>
1057 PR rtl-optimization/33796
1058 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1060 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1062 PR libgfortran/34699
1063 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1065 * pa-hpux10.h (LINK_SPEC): Likewise.
1066 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1068 2008-01-16 Richard Guenther <rguenther@suse.de>
1071 * fold-const.c (fold_convert_const_int_from_int): Do not
1072 set overflow if that occured only because of a sign extension
1073 change when converting from/to a sizetype with the same
1074 precision and signedness.
1076 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1079 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1080 location address to the correct place. Update copyright year.
1082 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1084 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1085 no dependences in the dependence_relations vector.
1087 2008-01-16 Jan Hubicka <jh@suse.cz>
1089 PR rtl-optimization/31396
1090 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1091 * cfg.c (dump_reg_info): Print it.
1092 * regs.h (struct reg_info_t): add freq_calls_crossed.
1093 (REG_FREQ_CALLS_CROSSED): New macro.
1094 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1095 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1096 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1097 regmove_optimize): Update call crossed frequencies.
1098 * local-alloc.c (struct qty): Add freq_calls_crossed.
1099 (alloc_qty): Copute freq_calls_crossed.
1100 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1101 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1102 * ra.h (struct allocno): Add freq_calls_crossed.
1104 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1106 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1107 libgomp when compiling with ftree-parallelize-loops.
1108 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1110 2008-01-16 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/34769
1113 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1114 * tree.c (int_cst_value): Instead make this function more
1115 permissive in what it accepts as valid input. Document this
1116 function always sign-extends the value.
1118 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1119 Richard Guenther <rguenther@suse.de>
1122 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1123 (gimple_fold_indirect_ref_rhs): ... this.
1124 (gimple_fold_indirect_ref): New function with foldings
1125 that preserve lvalueness.
1126 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1127 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1128 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1129 to fold an INDIRECT_REF, fall back to the old use of
1130 fold_indirect_ref_1.
1132 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1134 * tree-data-ref.c (subscript_dependence_tester_1): Call
1135 free_conflict_function.
1136 (compute_self_dependence): Same.
1138 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1141 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1142 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1144 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1145 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1146 for DWARF2_UNWIND_INFO targets.
1148 2008-01-16 Richard Guenther <rguenther@suse.de>
1151 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1152 type qualifiers for function types.
1154 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1156 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1157 loop_iterator li from previous commit.
1159 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1161 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1163 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1165 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1166 (parallelize_loops): Don't parallelize irreducible components.
1168 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1171 * c-opts (c_common_post_options): Do not enable CPP
1172 flag_pedantic_errors by default.
1174 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1176 PR rtl-optimization/31944
1177 * cse.c (remove_pseudo_from_table): New function.
1178 (merge_equiv_classes): Use above function to remove pseudo-registers.
1179 (invalidate): Likewise.
1181 2008-01-13 Richard Guenther <rguenther@suse.de>
1184 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1185 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1187 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1189 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1190 validate_change to unshare the source of the PC set.
1192 2008-01-12 Jan Hubicka <jh@suse.cz>
1195 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1196 references above array bounds. This might trigger bounds checks for
1199 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1201 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1202 new_replaceable_dependencies.
1204 2008-01-12 Doug Kwan <dougkwan@google.com>
1206 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1207 instead of OPT_Wreturn_type in warning due to ignored return type
1209 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1210 options included in -Wextra.
1211 * c.opt: New option -Wignored_qualifiers.
1212 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1213 -Wignore_qualifiers.
1214 (-Wignored-qualifiers): Document.
1215 (-Wreturn-type): Remove description of functionality now handled
1216 by -Wignored-qualifiers.
1218 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1221 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1222 NOP_EXPR if it is between integral types with the same precision.
1224 2008-01-12 Jan Hubicka <jh@suse.cz>
1227 * invoke.texi (max-inline-recursive-depth): Fix default value.
1229 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1231 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1234 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1236 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1238 2008-01-11 James E. Wilson <wilson@specifix.com>
1241 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1243 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1245 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1246 save/restore frame pointer register and don't use 'call-prologues'
1247 optimization in function with "OS_task" attribute.
1249 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1252 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1253 when copying to memory.
1255 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1257 PR rtl-optimization/30905
1258 * cfgcleanup.c: Include dce.h
1259 (crossjumps_occured): New global variable.
1260 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1261 If something changed, set crossjumps_occured to true.
1262 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1263 Don't add/remove fake edges to exit here...
1264 (cleanup_cfg): ...but do it here, when crossjumping.
1265 Run a fast DCE when successful crossjumps occured in the latest
1266 iteration of try_optimize_cfg.
1268 2008-01-11 Richard Guenther <rguenther@suse.de>
1270 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1271 (struct vn_unary_op_s): Likewise.
1272 (vn_reference_insert): Free old reference on hash collision.
1274 2008-01-10 Raksit Ashok <raksit@google.com>
1276 PR rtl-optimization/27971
1277 * combine.c (find_split_point): Split PLUS expressions which are
1278 inside a MEM rtx, and whose first operand is complex.
1280 2008-01-10 DJ Delorie <dj@redhat.com>
1282 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1283 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1284 (m32c_hard_regno_ok): Call the underlying function.
1286 2008-01-10 Richard Guenther <rguenther@suse.de>
1289 * tree-cfg.c (tree_merge_blocks): Do not go through the
1290 full-blown folding and stmt updating path if we just deal
1291 with virtual operands.
1292 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1293 test for abnormal SSA_NAMEs.
1295 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1298 * reload.c (push_reload): Add assertions. All constants from
1299 reg_equiv_constant should have been used for replacing the respective
1301 (find_reloads_address): Invoke find_reloads_address_part for
1302 constant taken from the reg_equiv_constant array.
1304 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1306 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1307 field (valnum) the first in the struct. Replace bools with
1310 2008-01-10 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/34651
1313 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1314 types and ordering for masking and converting.
1316 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1318 PR tree-optimization/34017
1319 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1320 also for PHI_NODE expressions.
1322 2008-01-09 Jan Hubicka <jh@suse.cz>
1324 PR tree-optimization/34708
1325 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1326 based on number of case labels.
1327 (init_inline_once): Remove switch_cost.
1328 * tree-inline.h (eni_weights_d): Remove switch_cost.
1330 2008-01-09 Richard Guenther <rguenther@suse.de>
1331 Andrew Pinski <andrew_pinski@playstation.sony.com>
1334 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1335 temporary if an rvalue is ok or an lvalue is not required.
1337 2008-01-09 Richard Guenther <rguenther@suse.de>
1340 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1343 2008-01-09 Richard Guenther <rguenther@suse.de>
1346 * tree.c (host_integerp): Check for sizetype only if the
1347 type is an integer type.
1349 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1352 * opts.c (decode_options): Disable inlining of functions called
1353 once if not in unit-at-a-time mode.
1355 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1357 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1359 2008-01-08 Richard Guenther <rguenther@suse.de>
1362 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1363 out early if the result will be unused.
1365 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1370 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1374 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1376 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1377 for vectorization tuned.
1379 2008-01-08 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/34683
1382 * tree-ssa-operands.c (operand_build_cmp): Export.
1383 * tree-ssa-operands.h (operand_build_cmp): Declare.
1384 * tree-vn.c (vuses_compare): Remove.
1385 (sort_vuses): Use operand_build_cmp.
1386 (sort_vuses_heap): Likewise.
1387 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1388 to re-use old VEC if available. Do not sort already sorted VUSEs.
1389 (vdefs_to_vec): Do not sort already sorted VDEFs.
1391 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1394 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1396 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1399 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1400 limitations of reciprocal sequences on x86 targets.
1402 2008-01-08 Richard Guenther <rguenther@suse.de>
1404 PR tree-optimization/34683
1405 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1407 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1410 * config/darwin.c (darwin_mergeable_string_section): Don't use
1411 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1413 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1416 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1417 negxf2. Macroize expander using X87MODEF mode iterator. Change
1418 predicates of op0 and op1 to register_operand.
1419 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1420 expander using X87MODEF mode iterator. Change predicates of
1421 op0 and op1 to register_operand.
1422 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1423 corresponding patterns and macroize using MODEF macro. Change
1424 predicates of op0 and op1 to register_operand and remove
1425 "m" constraint. Disparage "r" alternative with "!".
1426 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1427 macroize using X87MODEF macro. Change predicates of op0 and op1
1428 to register_operand and remove "m" constraint. Disparage "r"
1429 alternative with "!".
1430 (absneg splitter with memory operands): Remove.
1431 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1432 patterns and macroize using X87MODEF mode iterator.
1433 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1434 Change predicate of op1 to register_operand.
1435 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1436 for memory operands.
1438 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1440 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1442 2008-01-07 Richard Guenther <rguenther@suse.de>
1444 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1447 2008-01-07 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/34683
1450 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1451 VOPs of the needed size to save memory. Use VEC_quick_push
1452 to save compile-time.
1453 (vdefs_to_vec): Likewise.
1455 2008-01-07 Sa Liu <saliu@de.ibm.com>
1457 * config/spu/spu.md (divdf3): Genetate inline code for double
1458 division. The implementation doesn't handle INF or NAN, therefore it
1459 only applies when -ffinite-math-only is given.
1461 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1464 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1465 * doc/cpp.texi ([Common Predefined Macros]): Document.
1467 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1469 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1470 order to use commutative addition instead of subtraction.
1472 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1473 Mircea Namolaru <namolaru@il.ibm.com>
1474 Vladimir Yanovsky <yanov@il.ibm.com>
1475 Revital Eres <eres@il.ibm.com>
1477 PR tree-optimization/34263
1478 * tree-outof-ssa.c (process_single_block_loop_latch,
1479 contains_tree_r): New functions.
1480 (analyze_edges_for_bb): Call process_single_block_loop_latch
1481 function to empty single-basic-block latch block if possible.
1483 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1485 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1487 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1489 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1491 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1493 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1495 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1497 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1499 PR tree-optimization/34618
1500 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1503 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1506 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1507 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1508 Update copyright year.
1510 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1511 Update copyright year.
1512 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1515 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1517 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1518 edge does not point to current bb before changing need_assert.
1520 2008-01-04 Richard Guenther <rguenther@suse.de>
1523 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1524 for verifying purposes if they are is_gimple_min_invariant.
1526 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1528 PR tree-optimization/34448
1529 PR tree-optimization/34465
1530 * gimplify.c (gimplify_init_constructor): Add new parameter
1531 notify_temp_creation. Use it.
1532 (gimplify_modify_expr_rhs): Take volatiles into account when
1533 optimizing constructors.
1534 Do not optimize constructors if gimplify_init_constructor will dump to
1536 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1537 * gcc.c-torture/compile/pr34448.c: New.
1539 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1541 PR gcov-profile/34609
1542 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1543 return_slot if result is TREE_ADDRESSABLE.
1545 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1547 * config/mips/mips.md (sqrt_condition): Tweak comment.
1548 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1550 2008-01-03 Tom Tromey <tromey@redhat.com>
1553 * c-common.c (c_type_hash): Handle VLAs.
1555 2008-01-03 Jan Hubicka <jh@suse.cz>
1557 PR tree-optimization/31081
1558 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1559 0 when inlining and not inlining to first basic block.
1560 (remap_decl): When var is initialized to 0, don't set default_def.
1561 (expand_call_inline): Set entry_bb.
1562 * tree-inline.h (copy_body_data): Add entry_bb.
1564 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1567 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1570 PR tree-optimization/29484
1571 * tree-inline.c (inline_forbidden_p_2): New function.
1572 (inline_forbidden_p): Disallow inlining if some static var
1573 has an address of a local LABEL_DECL in its initializer.
1574 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1577 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1579 PR tree-optimization/34635
1580 * tree-data-ref.c (add_other_self_distances): Make sure that the
1581 evolution step is constant.
1583 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1586 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1588 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1590 * tree-sra.c (scalarize_init): Insert the generate_element_init
1591 statements after the generate_element_zero statements.
1593 2008-01-02 Richard Guenther <rguenther@suse.de>
1597 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1598 for very large number of operands instead of ICEing.
1600 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1603 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1604 while stack probing.
1606 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1608 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1611 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1614 * tree-mudflap.c (mx_register_decls): Guard warning by
1615 !DECL_ARTIFICIAL check.
1617 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1619 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1620 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1621 sse5_perm<mode>): Fix constraints.