1 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3 PR tree-optimization/35085
4 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5 for operand entry oe2 in addition to operand entry oe3 in order to
6 expose more opportunities for vectorizer sum reduction.
8 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * Makefile.in (LIBS): Remove $(GMPLIBS).
12 (cc1-dummy, cc1): Add $(GMPLIBS).
14 2008-02-06 Jan Hubicka <jh@suse.cz>
17 * i386.md (moddf_integer): Do not produce partial memory stalls for
18 targets where it hurts.
20 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
23 * optabs.c (expand_float): Do not check for decimal modes when
24 expanding unsigned integer through signed conversion.
26 2008-02-06 Nick Clifton <nickc@redhat.com>
28 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
29 inside the clobber with a match_operand and duplicated operand
30 number in the constraint.
31 (ineqbranchsi): Delete redundant comment.
33 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
35 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
36 builtin_define ("__USE_INIT_FINI__").
37 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
39 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
41 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
43 PR documentation/30330
44 * doc/invoke.texi (C++ Dialect Options)
45 (Objective-C and Objective-C++ Dialect Options, Warning Options):
46 For each warning option -Wfoo that allows -Wno-foo, ensure both
47 -Wfoo and -Wno-foo are listed in the option index. Fix index
48 entry of -Wswitch-default, index -Wnormalized= including the
49 `=', and -Wlarger-than-@var{len} including @var{len}.
51 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
53 * config/i386/i386.md (floatunssisf2): Use
54 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
55 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
56 Macroize expander using MODEF mode iterator.
58 2008-02-05 Diego Novillo <dnovillo@google.com>
60 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
63 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
65 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
70 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
73 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
74 to indicate if a message should be generated.
75 (init_cumulative_args): Updated.
76 (function_value_32): Likewise.
78 2008-02-05 Joseph Myers <joseph@codesourcery.com>
80 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
82 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
85 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
86 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
88 2008-02-04 Diego Novillo <dnovillo@google.com>
90 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
93 * tree-vrp.c (vrp_evaluate_conditional): With
94 -Wtype-limits, emit a warning when comparing against a
95 constant outside the natural range of OP0's type.
97 2008-02-04 Richard Guenther <rguenther@suse.de>
100 * expr.c (count_type_elements): Give for unions instead of
103 2008-02-04 Richard Guenther <rguenther@suse.de>
106 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
107 to TYPE_DOMAINs base type instead of using bitsizetype here.
109 2008-02-03 Jason Merrill <jason@redhat.com>
111 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
113 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
116 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
117 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
118 (RS/6000 and PowerPC Options): Fix typos and markup.
119 * doc/passes.texi (Tree-SSA passes): Likewise.
121 2008-02-02 Michael Matz <matz@suse.de>
124 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
125 from record_last_reg_set_info.
126 (record_last_reg_set_info): Take an RTX argument, iterate over all
127 constituent hardregs.
128 (record_last_set_info, record_opr_changes): Change calls to
129 new signature or to record_last_reg_set_info_regno.
131 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
133 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
135 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
137 PR rtl-optimization/34773
138 * reg-notes.def (EQUAL): Mention significance of combination of
139 REG_EQUAL and REG_RETVAL.
140 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
141 insn that has a REG_RETVAL.
143 2008-02-01 Roger Sayle <roger@eyesopen.com>
146 * configure.ac (--enable-fixed-point): Disable unless explicitly
148 * configure: Regenerate.
150 2008-02-01 Richard Guenther <rguenther@suse.de>
153 * invoke.texi (-finline-limit): Remove no longer true parts
154 of the documentation. Note that there is no default value.
156 2008-02-01 Andrew Pinski <pinskia@gmail.com>
157 Mark Mitchell <mark@codesourcery.com>
158 Ben Elliston <bje@au.ibm.com>
161 * doc/extend.texi (Other Builtins): Document.
163 2008-01-31 Tom Browder <tom.browder@gmail.com>
165 * doc/c-tree.texi (Types): Fix grammar.
166 (Expression trees): Ditto.
167 * doc/passes.texi (Tree-SSA passes): Ditto.
169 * doc/configterms.texi (Configure Terms): Fix typo.
170 * doc/cpp.texi (Common Predefined Macros): Ditto.
171 * doc/md.texi (Machine Constraints): Ditto.
173 * doc/makefile.texi (Makefile): Add comma.
175 2008-01-31 Tom Browder <tom.browder@gmail.com>
176 Gerald Pfeifer <gerald@pfeifer.com>
178 * doc/sourcebuild.texi (Front End): Remove references to CVS
180 (Texinfo Manuals): Replace reference to CVS by one to SVN.
181 (Back End): Remove reference to CVS.
183 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
186 * config/mips/mips.c (gen_load_const_gp): New function, taking a
188 (mips16_gp_pseudo_reg): ...here.
189 * config/mips/mips.md (load_const_gp): Replace with...
190 (load_const_gp_<mode>): ...this :P-based insn.
192 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
194 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
195 options. Minor fixes.
196 (-std): Move reference to standards closer to where language
197 standards are first mentioned.
199 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
201 PR rtl-optimization/34995
202 * reload.c (alternative_allows_const_pool_ref): Take an rtx
203 parameter and return a bool. If the rtx parameter is nonnull,
204 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
205 (find_reloads): Update call accordingly. Pass the new operand
206 if it needed no address reloads, otherwise pass null.
208 2008-01-30 Richard Henderson <rth@redhat.com>
211 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
212 for unbounded arrays.
214 2008-01-30 Silvius Rus <rus@google.com>
216 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
218 2008-01-30 Jan Hubicka <jh@suse.cz>
221 * i386.c (init_cumulative_args): Use real function declaration when
224 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
226 PR rtl-optimization/34998
227 * global.c (build_insn_chain): Treat non-subreg_lowpart
228 SUBREGs of pseudos as clobbering all the words covered by the
229 SUBREG, not just all the bytes.
230 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
231 original df_ref rather than an extract parameter.
232 (global_conflicts): Update call accordingly.
234 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
236 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
237 the overflow check to make it easier to read.
238 (__fixtfdi): Change the type of the ll member in union
239 long_double to UDItype_x.
241 2008-01-30 Jakub Jelinek <jakub@redhat.com>
244 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
245 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
246 * tree-inline.c (fold_marked_statements): Call
247 cgraph_update_edges_for_call_stmt if folding a call statement.
248 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
249 debug_generic_stmt calls, reset it back afterwards.
252 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
254 * c-typeck.c (build_external_ref): Don't pedwarn about
255 static vars in current function's scope.
257 2008-01-29 Joseph Myers <joseph@codesourcery.com>
259 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
261 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
264 * ipa-struct-reorg.c: Fix spelling.
267 2008-01-29 Richard Guenther <rguenther@suse.de>
270 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
272 * tree-inline.c (remap_type): Increment remapping_type_depth
273 around remapping types.
274 (copy_body_r): Only add referenced variables if they are referenced
275 from code, not types.
277 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
288 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
289 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
291 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
294 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
295 pointer for tiny stack.
297 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
299 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
301 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
303 * config/vx-common.h: Fix typo in comment.
305 2008-01-28 Ian Lance Taylor <iant@google.com>
309 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
310 coalesce pointers if they have different DECL_NO_TBAA_P values.
311 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
312 between variables with different DECL_NO_TBAA_P values.
314 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
317 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
318 are not legitimate small data references on SPE targets.
320 2008-01-28 David Daney <ddaney@avtrex.com>
322 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
324 2008-01-28 David Daney <ddaney@avtrex.com>
326 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
328 2008-01-27 Joseph Myers <joseph@codesourcery.com>
330 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
331 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
332 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
333 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
334 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
335 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
336 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
337 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
339 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
341 * basic-block.h (condjump_equiv_p): Fix comment.
343 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
345 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
346 print_generic_stmt_indented): Fix comment.
348 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
350 * configure.ac (__stack_chk_fail): Add detecion for availability
351 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
352 * configure: Regenerate.
354 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
357 * final.c (output_addr_const): Handle TRUNCATE.
359 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
362 * tree-ssa-loop-ivopts.c (comp_cost): New type.
363 (zero_cost, infinite_cost): New constants.
364 (struct cost_pair): Change type of cost to comp_cost.
365 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
366 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
368 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
369 split_address_cost, ptr_difference_cost, difference_cost,
370 get_computation_cost_at, get_computation_cost,
371 determine_use_iv_cost_generic, determine_use_iv_cost_address,
372 determine_use_iv_cost_condition, determine_use_iv_costs,
373 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
374 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
375 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
376 Change type of cost to comp_cost.
377 (determine_iv_cost): Increase cost of non-original ivs, instead
378 of decreasing the cost of original ones.
379 (get_address_cost): Indicate the complexity of the addressing mode
381 (try_add_cand_for): Prefer using ivs not specific to some object.
382 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
384 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
385 Janis Johnson <janis187@us.ibm.com>
388 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
389 (TARGET_INSTANTIATE_DECLS): Likewise.
390 * target.h (expand_to_rtl_hook): New target hook.
391 (instantiate_decls): Likewise.
392 * function.c (instantiate_decl): Make non-static. Rename to...
393 (instantiate_decl_rtl): ... this.
394 (instantiate_expr): Use instantiate_decl_rtl.
395 (instantiate_decls_1): Likewise.
396 (instantiate_decls): Likewise.
397 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
398 * function.h (instantiate_decl_rtl): Add prototype.
399 * cfgexpand.c (target.h): New include.
400 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
401 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
402 (TARGET_INSTANTIATE_DECLS): Likewise.
403 (TARGET_INITIALIZER): New target hooks added.
404 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
406 * config/rs6000/rs6000.c (tree-flow.h): New include.
407 (machine_function): Add sdmode_stack_slot field.
408 (rs6000_alloc_sdmode_stack_slot): New function.
409 (rs6000_instantiate_decls): Likewise.
410 (rs6000_secondary_memory_needed_rtx): Likewise.
411 (rs6000_check_sdmode): Likewise.
412 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
413 (TARGET_INSTANTIATE_DECLS): Likewise.
414 (rs6000_hard_regno_mode_ok): Allow SDmode.
415 (num_insns_constant): Likewise. Handle _Decimal32 constants.
416 (rs6000_emit_move): Handle SDmode.
417 (function_arg_advance): Likewise.
418 (function_arg): Likewise.
419 (rs6000_gimplify_va_arg): Likewise. Add special handling of
420 SDmode var args for 32-bit compiles.
421 (rs6000_secondary_reload_class): Handle SDmode.
422 (rs6000_output_function_epilogue): Likewise.
423 (rs6000_function_value): Simplify if statement.
424 (rs6000_libcall_value): Likewise.
425 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
426 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
427 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
428 (movsd_hardfloat): New define_insn.
429 (movsd_softfloat): Likewise.
430 (movsd_store): Likewise.
431 (movsd_load): Likewise.
432 (extendsddd2): Likewise.
433 (extendsdtd2): Likewise.
434 (truncddsd2): Likewise.
435 (movdd_hardfloat64): Fixup comment.
436 (UNSPEC_MOVSD_LOAD): New constant.
437 (UNSPEC_MOVSD_STORE): Likewise.
439 2008-01-26 Jakub Jelinek <jakub@redhat.com>
442 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
444 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
445 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
446 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
449 2008-01-26 David Edelsohn <edelsohn@gnu.org>
452 * config.gcc: Separate AIX 5.3 from AIX 6.1.
453 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
455 * config/rs6000/aix61.h: New file.
457 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
459 PR rtl-optimization/34959
460 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
461 popcount and parity rtxes the same mode as their operand.
462 Truncate or extend the result to the return value's mode
465 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
468 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
469 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
470 to GOT_VERSION_REGNUM.
471 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
472 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
473 * config/mips/mips.c (mips_emit_call_insn): New function.
474 (mips_call_tls_get_addr): Call mips_expand_call directly.
475 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
477 (mips16_build_call_stub): Likewise. Return the call insn or null.
478 (mips_expand_call): Update the call to mips16_build_call_stub
479 accordingly and a remove redundant condition. Assert that MIPS16
480 stubs do not use lazy binding. Use mips_emit_call_insn and return
482 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
484 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
485 (mips_avoid_hazard): Remove hazard_set handling.
486 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
487 (UNSPEC_RESTORE_GP): ...this.
488 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
489 (FAKE_CALL_REGNO): Rename to...
490 (GOT_VERSION_REGNUM): ...this.
491 (type): Add "ghost" value. Add an associated insn reservation.
492 (hazard_set): Remove.
493 (exception_receiver): Rename to...
494 (restore_gp): ...this and update the unspec identifier accordingly.
495 (exception_receiver, nonlocal_got_receiver): New expanders.
496 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
497 FAKE_CALL_REGNO. Remove hazard_set attribute.
498 (set_got_version, update_got_version): New patterns.
500 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
503 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
505 2008-01-25 Joseph Myers <joseph@codesourcery.com>
508 * doc/install.texi2html: Generate gcc-vers.texi.
510 2008-01-25 DJ Delorie <dj@redhat.com>
512 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
514 2008-01-25 Joseph Myers <joseph@codesourcery.com>
516 * config/c4x: Remove directory.
517 * config.gcc (crx-*, mt-*): Mark obsolete.
518 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
519 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
520 sh-*-rtemscoff*): Remove cases.
521 * defaults.h (C4X_FLOAT_FORMAT): Remove.
522 * real.c (encode_c4x_single, decode_c4x_single,
523 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
524 c4x_extended_format): Remove.
525 * real.h (c4x_single_format, c4x_extended_format): Remove.
526 * doc/extend.texi (interrupt, naked): Remove mention of attributes
528 (Pragmas): Remove comment about c4x pragmas.
529 * doc/install.texi (c4x): Remove target-specific instructions.
530 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
531 * doc/md.texi (Machine Constraints): Remove C4x documentation.
532 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
533 refer to C4x source files as examples.
534 (C4X_FLOAT_FORMAT): Remove documentation.
536 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
538 * config/bfin/bfin.c (override_options): Reorder tests so that
539 flag_pic gets enabled for -msep-data.
541 2008-01-25 Richard Guenther <rguenther@suse.de>
544 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
545 to its bitfield precision if required.
547 2008-01-25 Jakub Jelinek <jakub@redhat.com>
550 * tree-nested.c (walk_omp_for): New function.
551 (convert_nonlocal_reference, convert_local_reference): Call
552 walk_omp_for on OMP_FOR.
553 (convert_call_expr): Call walk_body on OMP_FOR's
554 OMP_FOR_PRE_INIT_BODY.
556 2008-01-25 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/34966
559 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
560 default defs and PHI_NODEs we have to insert after the
563 2008-01-24 Nick Clifton <nickc@redhat.com>
565 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
566 Provide a default definition.
567 (LIBGCC2_UNITS_PER_WORD): Likewise.
569 * config/stormy16/stormy16.c: Include df.h for the prototype
570 for df_regs_ever_live_p.
571 (xstormy16_expand_builtin_va_start): Convert the stack offset
572 into a component_ref and then use POINTER_PLUS_EXPR to add it
573 to the incoming_virtual_args_rtx.
574 (xstormy16_gimplify_va_arg_expr): Rename to
575 xstormy16_gimplify_va_arg_expr.
576 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
577 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
578 xstormy16_gimplify_va_arg_expr.
579 Fix up some formatting issues.
581 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
582 Move to predicates.md.
583 (xs_hi_general_operand): Likewise.
584 (xs_hi_nonmemory_operand): Likewise.
585 * config/stormy16/predicates.md:
586 (xstormy16_carry_plus_operand): New predicate.
587 (xs_hi_general_operand): New predicate.
588 (xs_hi_nonmemory_operand): New predicate.
589 * config/stormy16/stormy16-protos.h:
590 (xstormy16_carry_plus_operand): Delete prototype.
591 (xs_hi_general_operand): Likewise.
592 (xs_hi_nonmemory_operand): Likewise.
594 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
595 modifiers as they are no longer needed and they can trigger
596 reload spill failures.
598 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
599 with a match_operand in order to help reload.
601 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
602 constraint with 'e' for the 8th alternative as this version of
603 the mov.w instruction only accepts the lower 8 registers.
605 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
608 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
609 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
612 2008-01-25 Jakub Jelinek <jakub@redhat.com>
615 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
617 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
619 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
621 (remove_structure): Update allocations list before removing structure.
623 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
625 * ipa-struct-reorg.c (is_safe_cond_expr,
626 create_new_stmts_for_cond_expr): Use integer_zerop function,
627 that recognize not only zero-pointer, but zero-integer too.
629 2008-01-25 Ben Elliston <bje@au.ibm.com>
632 * fixproto: Escape "." in sed expression that strips leading "./".
634 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
637 * gcc.c (SWITCH_OK): Removed.
638 (SWITCH_LIVE): Changed to bit.
639 (SWITCH_FALSE): Likewise.
640 (SWITCH_IGNORE): Likewise.
641 (switchstr): Change live_cond to unsigned int.
642 (process_command): Replace SWITCH_OK with 0.
643 (do_self_spec): Likewise.
644 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
645 (give_switch): Likewise.
646 (used_arg): Likewise.
647 (do_spec_1): Set the SWITCH_IGNORE bit.
648 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
649 bits. Set the SWITCH_LIVE bit.
651 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
653 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
655 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
657 PR tree-optimization/34472
658 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
659 parameter to a "bool *" and set *DATA to false if there is
660 an unsafe access. Do not delete the structure here.
661 (check_cond_exprs): Delete it here instead.
662 (check_cond_exprs, exclude_cold_structs): Do not increase
663 I when removing a structure.
665 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
668 * config/i386/i386.c (ix86_expand_vector_init): Consider only
669 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
671 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
674 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
675 a fixed vector for stack.
677 2008-01-24 Ben Elliston <bje@au.ibm.com>
680 * doc/gcc.texi (Software development): Add a direntry for g++.
682 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
684 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
685 stale and straggling -fforce-addr comments above.
687 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
689 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
690 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
692 2008-01-23 Michael Matz <matz@suse.de>
695 * dwarf2out.c (force_type_die): Use modified_type_die instead of
698 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
700 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
703 2008-01-23 Anatoly Sokolov <aesok@post.ru>
705 * config/avr/avr.c (avr_current_arch): New variable.
706 (avr_arch_types): Add 'avr31' and 'avr51' entries.
707 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
708 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
709 (avr_override_options): Init 'avr_current_arch'.
710 (base_arch_s): Move from here...
711 * config/avr/avr.h (base_arch_s): ... here. Add new members
712 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
713 'mega' to 'have_jmp_call'.
714 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
715 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
717 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
719 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
720 MULTILIB_MATCHES): (Ditto.).
722 2008-01-23 Richard Guenther <rguenther@suse.de>
725 * cgraphunit.c (cgraph_reset_node): Always mark the node
726 not reachable if it is not queued already.
728 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
730 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
731 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
732 (cputype_selected): New static variable.
733 (bfin_handle_option): Set it if -mcpu is used.
734 (override_option): Select default set of workarounds if no cpu type
735 selected on the command line.
736 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
738 From Michael Frysinger <michael.frysinger@analog.com>
739 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
740 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
742 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
743 for bf547, bf523, bf524, and bf526.
744 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
746 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
747 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
748 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
749 __ADSPBF547__ and __ADSPBF54x__ for bf547.
750 * doc/invoke.texi (Blackfin Options): Document that
751 -mcpu now accept bf547, bf523, bf524, and bf526.
753 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
755 PR rtl-optimization/34628
756 * combine.c (try_combine): Stop and undo after the first combination
757 if an autoincrement side-effect on the first insn has effectively
760 2008-01-22 David Edelsohn <edelsohn@gnu.org>
763 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
764 Offset addresses are not valid for Altivec or paired float modes.
766 2008-01-22 Jakub Jelinek <jakub@redhat.com>
769 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
770 if DECL_INITIAL (decl) is error_mark_node.
773 * c-common.c (handle_vector_size_attribute): Only allow
774 integral, scalar float and fixed point types. Handle OFFSET_TYPE
775 the same way as pointer, array etc. types.
776 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
779 * tree.c (build_type_attribute_qual_variant): Call
780 build_qualified_type if attributes are equal, but quals are not.
782 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
785 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
786 * flags.h (warn_strict_aliasing): Remove.
787 (warn_strict_overflow): Remove.
788 * opts.c (warn_strict_aliasing): Remove.
789 (warn_strict_overflow): Remove.
790 * c-opts.c (c_common_handle_option): -Wall only sets
791 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
792 (c_common_post_options): Give default values to -Wstrict-aliasing
793 and -Wstrict-overflow if they are uninitialized.
794 * common.opt (Wstrict-aliasing): Specify Var and Init.
795 (Wstrict-overflow): Likewise.
797 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
799 PR rtl-optimization/26854
800 PR rtl-optimization/34400
801 PR rtl-optimization/34884
802 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
804 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
805 (df_rd_bb_info.expanded_lr_out): Deleted
806 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
807 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
808 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
809 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
810 Removed code to allocate, initialize or free expanded_lr_out.
811 (df_rd_bb_local_compute_process_def): Restructured to make more
813 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
814 sets if the sets are being trimmed.
816 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
819 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
821 * configure: Regenerated.
823 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
826 * tree-pass.h (pass_build_alias): New pass.
827 * tree-ssa-alias.c (gate_build_alias): New.
828 (pass_build_alias): New.
829 * passes.c (init_optimization_passes): Add pass_build_alias after
830 pass_create_structure_vars.
832 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
834 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
835 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
836 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
837 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
838 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
839 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
840 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
841 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
842 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
843 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
844 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
845 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
846 * config/s390/s390.md (FP_ALL): New mode iterator.
847 (_d): New mode attribute.
848 ("*signbit<mode>2>"): Changed mode of first operand.
849 ("isinf<mode>2"): Changed mode of first operand.
850 ("*TDC_insn"): Adaptation for DFP modes.
852 2008-01-22 Ben Elliston <bje@au.ibm.com>
854 * tree.c (check_qualified_type): Improve function description.
856 2008-01-21 Jason Merrill <jason@redhat.com>
859 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
860 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
863 2008-01-21 DJ Delorie <dj@redhat.com>
865 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
868 2008-01-21 Richard Guenther <rguenther@suse.de>
871 * tree-cfg.c (verify_expr): Allow all invariant expressions
872 instead of just constant class ones as reference argument.
873 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
874 like any other constant.
875 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
877 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
879 * regmove.c (fixup_match_1): Update call crossed frequencies.
881 2008-01-21 Richard Guenther <rguenther@suse.de>
884 * tree-inline.c (setup_one_parameter): Deal with mismatched
885 types using a VIEW_CONVERT_EXPR.
887 2008-01-21 Alon Dayan <alond@il.ibm.com>
888 Olga Golovanevsky <olga@il.ibm.com>
890 PR tree-optimization/34701
891 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
892 when the structure size is not a power of 2.
894 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
896 * doc/install.texi: Add doc for --enable-checking=df.
898 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
900 PR rtl-optimization/34808
901 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
903 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
905 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
908 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
910 PR rtl-optimization/26854
911 PR rtl-optimization/34400
912 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
914 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
915 (df_rd_bb_info.expanded_lr_out): New.
916 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
917 * loop_iv.c (iv_analysis_loop_init): Ditto.
918 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
919 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
920 Added code to allocate, initialize or free expanded_lr_out.
921 (df_rd_bb_local_compute_process_def): Restructured to make
923 (df_rd_confluence_n): Add code to do nothing with fake edges and
924 code to no apply invalidate_by_call sets if the sets are being trimmed.
925 (df_lr_local_finalize): Renamed to df_lr_finalize.
926 (df_live_local_finalize): Renamed to df_live_finalize.
928 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
931 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
932 deciding whether to use reciprocal instructions.
934 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
936 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
937 dwarf2out_note_section_used if cold_text_section is NULL.
939 2008-01-19 Jakub Jelinek <jakub@redhat.com>
941 PR gcov-profile/34610
942 * tree-cfg.c (make_edges): Mark both outgoing edges from
943 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
944 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
945 from OMP_FOR and OMP_CONTINUE outgoing edges.
947 * tree-profile.c (tree_profiling): Return early if
948 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
950 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
951 from cfun to child_cfun.
952 * function.h (struct function): Add after_tree_profile bit.
954 2008-01-19 Anatoly Sokolov <aesok@post.ru>
956 * config/avr/avr.S (_exit): Disable interrupt.
958 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
959 Steven Bosscher <stevenb.gcc@gmail.com>
961 PR rtl-optimization/26854
962 PR rtl-optimization/34400
963 * df-problems.c (df_live_scratch): New scratch bitmap.
964 (df_live_alloc): Allocate df_live_scratch when doing df_live.
965 (df_live_reset): Clear the proper bitmaps.
966 (df_live_bb_local_compute): Only process the artificial defs once
967 since the order is not important.
968 (df_live_init): Init the df_live sets only with the variables
970 (df_live_transfer_function): Use the df_lr sets to prune the
971 df_live sets as they are being computed.
972 (df_live_free): Free df_live_scratch.
974 2008-01-18 Ian Lance Taylor <iant@google.com>
976 * common.opt: Add fmerge-debug-strings.
977 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
978 flag_merge_debug_strings rather than flag_merge_constants.
979 * doc/invoke.texi (Option Summary): Mention
980 -fmerge-debug-strings.
981 (Debugging Options): Document -fmerge-debug-strings.
983 2008-01-18 Ian Lance Taylor <iant@google.com>
986 * tree.h (DECL_IS_OPERATOR_NEW): Define.
987 (struct tree_function_decl): Add new field operator_new_flag.
988 * tree-inline.c (expand_call_inline): When inlining a call to
989 operator new, force the return value to go into a variable, and
990 set DECL_NO_TBAA_P on that variable.
991 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
993 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
996 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
997 DWARF2_DEBUGGING_INFO.
998 (dwarf2out_note_section_used): Ditto. Add prototype.
999 (have_multiple_function_sections, text_section_used,
1000 cold_text_section_used, *cold_text_sections): Move declarations
1003 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1005 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1006 field and add signal_ra.
1007 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1008 assignments to frame state pc. Move end of stack check after
1009 MD_FALLBACK_FRAME_STATE_FOR.
1010 (uw_update_context_1): Use frame state signal_regs if set, instead
1011 of checking signal_frame flag.
1012 (uw_update_context): Use frame state signal_ra if set.
1013 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1014 * config/xtensa/linux-unwind.h: New file.
1016 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1018 * modulo-sched.c (get_sched_window): Fix comment typo.
1020 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1022 PR tree-optimization/34648
1023 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1025 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1027 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1028 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1030 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1032 PR rtl-optimization/34400
1033 * df-core.c (df_worklist_dataflow_overeager,
1034 df_worklist_dataflow_doublequeue): New functions.
1035 (df_worklist_dataflow): Two different worklist solvers.
1036 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1039 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1042 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1043 and ftree-parallelize-loops.
1045 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1047 PR rtl-optimization/34826
1048 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1050 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1052 * global.c (find_reg): Mark the eh regs as used if necessary.
1053 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1054 * ra.h (struct allocno): no_eh_reg field added. Changed
1055 no_stack_reg type to bitfield.
1057 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1059 * tree.c (substitute_in_expr): Add missing 'break'.
1061 2008-01-17 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/34825
1064 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1065 x / x as division to handle.
1067 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1069 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1070 "-pthread" is specified.
1071 * pa-hpux11.h (LIB_SPEC): Likewise.
1073 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1074 Peter Bergner <bergner@vnet.ibm.com>
1076 PR rtl-optimization/33796
1077 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1079 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1081 PR libgfortran/34699
1082 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1084 * pa-hpux10.h (LINK_SPEC): Likewise.
1085 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1087 2008-01-16 Richard Guenther <rguenther@suse.de>
1090 * fold-const.c (fold_convert_const_int_from_int): Do not
1091 set overflow if that occured only because of a sign extension
1092 change when converting from/to a sizetype with the same
1093 precision and signedness.
1095 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1098 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1099 location address to the correct place. Update copyright year.
1101 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1103 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1104 no dependences in the dependence_relations vector.
1106 2008-01-16 Jan Hubicka <jh@suse.cz>
1108 PR rtl-optimization/31396
1109 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1110 * cfg.c (dump_reg_info): Print it.
1111 * regs.h (struct reg_info_t): add freq_calls_crossed.
1112 (REG_FREQ_CALLS_CROSSED): New macro.
1113 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1114 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1115 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1116 regmove_optimize): Update call crossed frequencies.
1117 * local-alloc.c (struct qty): Add freq_calls_crossed.
1118 (alloc_qty): Copute freq_calls_crossed.
1119 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1120 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1121 * ra.h (struct allocno): Add freq_calls_crossed.
1123 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1125 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1126 libgomp when compiling with ftree-parallelize-loops.
1127 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1129 2008-01-16 Richard Guenther <rguenther@suse.de>
1131 PR tree-optimization/34769
1132 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1133 * tree.c (int_cst_value): Instead make this function more
1134 permissive in what it accepts as valid input. Document this
1135 function always sign-extends the value.
1137 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1138 Richard Guenther <rguenther@suse.de>
1141 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1142 (gimple_fold_indirect_ref_rhs): ... this.
1143 (gimple_fold_indirect_ref): New function with foldings
1144 that preserve lvalueness.
1145 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1146 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1147 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1148 to fold an INDIRECT_REF, fall back to the old use of
1149 fold_indirect_ref_1.
1151 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1153 * tree-data-ref.c (subscript_dependence_tester_1): Call
1154 free_conflict_function.
1155 (compute_self_dependence): Same.
1157 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1160 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1161 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1163 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1164 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1165 for DWARF2_UNWIND_INFO targets.
1167 2008-01-16 Richard Guenther <rguenther@suse.de>
1170 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1171 type qualifiers for function types.
1173 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1175 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1176 loop_iterator li from previous commit.
1178 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1180 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1182 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1184 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1185 (parallelize_loops): Don't parallelize irreducible components.
1187 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1190 * c-opts (c_common_post_options): Do not enable CPP
1191 flag_pedantic_errors by default.
1193 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1195 PR rtl-optimization/31944
1196 * cse.c (remove_pseudo_from_table): New function.
1197 (merge_equiv_classes): Use above function to remove pseudo-registers.
1198 (invalidate): Likewise.
1200 2008-01-13 Richard Guenther <rguenther@suse.de>
1203 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1204 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1206 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1208 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1209 validate_change to unshare the source of the PC set.
1211 2008-01-12 Jan Hubicka <jh@suse.cz>
1214 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1215 references above array bounds. This might trigger bounds checks for
1218 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1220 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1221 new_replaceable_dependencies.
1223 2008-01-12 Doug Kwan <dougkwan@google.com>
1225 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1226 instead of OPT_Wreturn_type in warning due to ignored return type
1228 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1229 options included in -Wextra.
1230 * c.opt: New option -Wignored_qualifiers.
1231 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1232 -Wignore_qualifiers.
1233 (-Wignored-qualifiers): Document.
1234 (-Wreturn-type): Remove description of functionality now handled
1235 by -Wignored-qualifiers.
1237 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1240 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1241 NOP_EXPR if it is between integral types with the same precision.
1243 2008-01-12 Jan Hubicka <jh@suse.cz>
1246 * invoke.texi (max-inline-recursive-depth): Fix default value.
1248 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1250 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1253 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1255 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1257 2008-01-11 James E. Wilson <wilson@specifix.com>
1260 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1262 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1264 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1265 save/restore frame pointer register and don't use 'call-prologues'
1266 optimization in function with "OS_task" attribute.
1268 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1271 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1272 when copying to memory.
1274 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1276 PR rtl-optimization/30905
1277 * cfgcleanup.c: Include dce.h
1278 (crossjumps_occured): New global variable.
1279 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1280 If something changed, set crossjumps_occured to true.
1281 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1282 Don't add/remove fake edges to exit here...
1283 (cleanup_cfg): ...but do it here, when crossjumping.
1284 Run a fast DCE when successful crossjumps occured in the latest
1285 iteration of try_optimize_cfg.
1287 2008-01-11 Richard Guenther <rguenther@suse.de>
1289 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1290 (struct vn_unary_op_s): Likewise.
1291 (vn_reference_insert): Free old reference on hash collision.
1293 2008-01-10 Raksit Ashok <raksit@google.com>
1295 PR rtl-optimization/27971
1296 * combine.c (find_split_point): Split PLUS expressions which are
1297 inside a MEM rtx, and whose first operand is complex.
1299 2008-01-10 DJ Delorie <dj@redhat.com>
1301 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1302 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1303 (m32c_hard_regno_ok): Call the underlying function.
1305 2008-01-10 Richard Guenther <rguenther@suse.de>
1308 * tree-cfg.c (tree_merge_blocks): Do not go through the
1309 full-blown folding and stmt updating path if we just deal
1310 with virtual operands.
1311 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1312 test for abnormal SSA_NAMEs.
1314 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1317 * reload.c (push_reload): Add assertions. All constants from
1318 reg_equiv_constant should have been used for replacing the respective
1320 (find_reloads_address): Invoke find_reloads_address_part for
1321 constant taken from the reg_equiv_constant array.
1323 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1325 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1326 field (valnum) the first in the struct. Replace bools with
1329 2008-01-10 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/34651
1332 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1333 types and ordering for masking and converting.
1335 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1337 PR tree-optimization/34017
1338 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1339 also for PHI_NODE expressions.
1341 2008-01-09 Jan Hubicka <jh@suse.cz>
1343 PR tree-optimization/34708
1344 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1345 based on number of case labels.
1346 (init_inline_once): Remove switch_cost.
1347 * tree-inline.h (eni_weights_d): Remove switch_cost.
1349 2008-01-09 Richard Guenther <rguenther@suse.de>
1350 Andrew Pinski <andrew_pinski@playstation.sony.com>
1353 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1354 temporary if an rvalue is ok or an lvalue is not required.
1356 2008-01-09 Richard Guenther <rguenther@suse.de>
1359 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1362 2008-01-09 Richard Guenther <rguenther@suse.de>
1365 * tree.c (host_integerp): Check for sizetype only if the
1366 type is an integer type.
1368 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1371 * opts.c (decode_options): Disable inlining of functions called
1372 once if not in unit-at-a-time mode.
1374 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1376 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1378 2008-01-08 Richard Guenther <rguenther@suse.de>
1381 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1382 out early if the result will be unused.
1384 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1389 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1390 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1393 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1395 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1396 for vectorization tuned.
1398 2008-01-08 Richard Guenther <rguenther@suse.de>
1400 PR tree-optimization/34683
1401 * tree-ssa-operands.c (operand_build_cmp): Export.
1402 * tree-ssa-operands.h (operand_build_cmp): Declare.
1403 * tree-vn.c (vuses_compare): Remove.
1404 (sort_vuses): Use operand_build_cmp.
1405 (sort_vuses_heap): Likewise.
1406 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1407 to re-use old VEC if available. Do not sort already sorted VUSEs.
1408 (vdefs_to_vec): Do not sort already sorted VDEFs.
1410 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1413 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1415 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1418 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1419 limitations of reciprocal sequences on x86 targets.
1421 2008-01-08 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/34683
1424 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1426 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1429 * config/darwin.c (darwin_mergeable_string_section): Don't use
1430 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1432 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1435 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1436 negxf2. Macroize expander using X87MODEF mode iterator. Change
1437 predicates of op0 and op1 to register_operand.
1438 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1439 expander using X87MODEF mode iterator. Change predicates of
1440 op0 and op1 to register_operand.
1441 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1442 corresponding patterns and macroize using MODEF macro. Change
1443 predicates of op0 and op1 to register_operand and remove
1444 "m" constraint. Disparage "r" alternative with "!".
1445 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1446 macroize using X87MODEF macro. Change predicates of op0 and op1
1447 to register_operand and remove "m" constraint. Disparage "r"
1448 alternative with "!".
1449 (absneg splitter with memory operands): Remove.
1450 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1451 patterns and macroize using X87MODEF mode iterator.
1452 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1453 Change predicate of op1 to register_operand.
1454 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1455 for memory operands.
1457 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1459 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1461 2008-01-07 Richard Guenther <rguenther@suse.de>
1463 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1466 2008-01-07 Richard Guenther <rguenther@suse.de>
1468 PR tree-optimization/34683
1469 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1470 VOPs of the needed size to save memory. Use VEC_quick_push
1471 to save compile-time.
1472 (vdefs_to_vec): Likewise.
1474 2008-01-07 Sa Liu <saliu@de.ibm.com>
1476 * config/spu/spu.md (divdf3): Genetate inline code for double
1477 division. The implementation doesn't handle INF or NAN, therefore it
1478 only applies when -ffinite-math-only is given.
1480 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1483 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1484 * doc/cpp.texi ([Common Predefined Macros]): Document.
1486 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1488 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1489 order to use commutative addition instead of subtraction.
1491 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1492 Mircea Namolaru <namolaru@il.ibm.com>
1493 Vladimir Yanovsky <yanov@il.ibm.com>
1494 Revital Eres <eres@il.ibm.com>
1496 PR tree-optimization/34263
1497 * tree-outof-ssa.c (process_single_block_loop_latch,
1498 contains_tree_r): New functions.
1499 (analyze_edges_for_bb): Call process_single_block_loop_latch
1500 function to empty single-basic-block latch block if possible.
1502 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1504 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1506 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1508 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1510 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1512 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1514 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1516 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1518 PR tree-optimization/34618
1519 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1522 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1525 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1526 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1527 Update copyright year.
1529 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1530 Update copyright year.
1531 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1534 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1536 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1537 edge does not point to current bb before changing need_assert.
1539 2008-01-04 Richard Guenther <rguenther@suse.de>
1542 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1543 for verifying purposes if they are is_gimple_min_invariant.
1545 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1547 PR tree-optimization/34448
1548 PR tree-optimization/34465
1549 * gimplify.c (gimplify_init_constructor): Add new parameter
1550 notify_temp_creation. Use it.
1551 (gimplify_modify_expr_rhs): Take volatiles into account when
1552 optimizing constructors.
1553 Do not optimize constructors if gimplify_init_constructor will dump to
1555 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1556 * gcc.c-torture/compile/pr34448.c: New.
1558 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1560 PR gcov-profile/34609
1561 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1562 return_slot if result is TREE_ADDRESSABLE.
1564 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1566 * config/mips/mips.md (sqrt_condition): Tweak comment.
1567 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1569 2008-01-03 Tom Tromey <tromey@redhat.com>
1572 * c-common.c (c_type_hash): Handle VLAs.
1574 2008-01-03 Jan Hubicka <jh@suse.cz>
1576 PR tree-optimization/31081
1577 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1578 0 when inlining and not inlining to first basic block.
1579 (remap_decl): When var is initialized to 0, don't set default_def.
1580 (expand_call_inline): Set entry_bb.
1581 * tree-inline.h (copy_body_data): Add entry_bb.
1583 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1586 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1589 PR tree-optimization/29484
1590 * tree-inline.c (inline_forbidden_p_2): New function.
1591 (inline_forbidden_p): Disallow inlining if some static var
1592 has an address of a local LABEL_DECL in its initializer.
1593 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1596 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1598 PR tree-optimization/34635
1599 * tree-data-ref.c (add_other_self_distances): Make sure that the
1600 evolution step is constant.
1602 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1605 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1607 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1609 * tree-sra.c (scalarize_init): Insert the generate_element_init
1610 statements after the generate_element_zero statements.
1612 2008-01-02 Richard Guenther <rguenther@suse.de>
1616 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1617 for very large number of operands instead of ICEing.
1619 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1622 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1623 while stack probing.
1625 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1627 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1630 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1633 * tree-mudflap.c (mx_register_decls): Guard warning by
1634 !DECL_ARTIFICIAL check.
1636 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1638 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1639 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1640 sse5_perm<mode>): Fix constraints.