1 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4 builtin_define ("__USE_INIT_FINI__").
5 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
7 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
9 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11 PR documentation/30330
12 * doc/invoke.texi (C++ Dialect Options)
13 (Objective-C and Objective-C++ Dialect Options, Warning Options):
14 For each warning option -Wfoo that allows -Wno-foo, ensure both
15 -Wfoo and -Wno-foo are listed in the option index. Fix index
16 entry of -Wswitch-default, index -Wnormalized= including the
17 `=', and -Wlarger-than-@var{len} including @var{len}.
19 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
21 * config/i386/i386.md (floatunssisf2): Use
22 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
23 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
24 Macroize expander using MODEF mode iterator.
26 2008-02-05 Diego Novillo <dnovillo@google.com>
28 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
31 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
33 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
38 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
41 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
42 to indicate if a message should be generated.
43 (init_cumulative_args): Updated.
44 (function_value_32): Likewise.
46 2008-02-05 Joseph Myers <joseph@codesourcery.com>
48 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
50 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
53 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
54 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
56 2008-02-04 Diego Novillo <dnovillo@google.com>
58 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
61 * tree-vrp.c (vrp_evaluate_conditional): With
62 -Wtype-limits, emit a warning when comparing against a
63 constant outside the natural range of OP0's type.
65 2008-02-04 Richard Guenther <rguenther@suse.de>
68 * expr.c (count_type_elements): Give for unions instead of
71 2008-02-04 Richard Guenther <rguenther@suse.de>
74 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
75 to TYPE_DOMAINs base type instead of using bitsizetype here.
77 2008-02-03 Jason Merrill <jason@redhat.com>
79 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
81 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
84 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
85 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
86 (RS/6000 and PowerPC Options): Fix typos and markup.
87 * doc/passes.texi (Tree-SSA passes): Likewise.
89 2008-02-02 Michael Matz <matz@suse.de>
92 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
93 from record_last_reg_set_info.
94 (record_last_reg_set_info): Take an RTX argument, iterate over all
96 (record_last_set_info, record_opr_changes): Change calls to
97 new signature or to record_last_reg_set_info_regno.
99 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
101 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
103 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
105 PR rtl-optimization/34773
106 * reg-notes.def (EQUAL): Mention significance of combination of
107 REG_EQUAL and REG_RETVAL.
108 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
109 insn that has a REG_RETVAL.
111 2008-02-01 Roger Sayle <roger@eyesopen.com>
114 * configure.ac (--enable-fixed-point): Disable unless explicitly
116 * configure: Regenerate.
118 2008-02-01 Richard Guenther <rguenther@suse.de>
121 * invoke.texi (-finline-limit): Remove no longer true parts
122 of the documentation. Note that there is no default value.
124 2008-02-01 Andrew Pinski <pinskia@gmail.com>
125 Mark Mitchell <mark@codesourcery.com>
126 Ben Elliston <bje@au.ibm.com>
129 * doc/extend.texi (Other Builtins): Document.
131 2008-01-31 Tom Browder <tom.browder@gmail.com>
133 * doc/c-tree.texi (Types): Fix grammar.
134 (Expression trees): Ditto.
135 * doc/passes.texi (Tree-SSA passes): Ditto.
137 * doc/configterms.texi (Configure Terms): Fix typo.
138 * doc/cpp.texi (Common Predefined Macros): Ditto.
139 * doc/md.texi (Machine Constraints): Ditto.
141 * doc/makefile.texi (Makefile): Add comma.
143 2008-01-31 Tom Browder <tom.browder@gmail.com>
144 Gerald Pfeifer <gerald@pfeifer.com>
146 * doc/sourcebuild.texi (Front End): Remove references to CVS
148 (Texinfo Manuals): Replace reference to CVS by one to SVN.
149 (Back End): Remove reference to CVS.
151 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
154 * config/mips/mips.c (gen_load_const_gp): New function, taking a
156 (mips16_gp_pseudo_reg): ...here.
157 * config/mips/mips.md (load_const_gp): Replace with...
158 (load_const_gp_<mode>): ...this :P-based insn.
160 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
162 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
163 options. Minor fixes.
164 (-std): Move reference to standards closer to where language
165 standards are first mentioned.
167 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
169 PR rtl-optimization/34995
170 * reload.c (alternative_allows_const_pool_ref): Take an rtx
171 parameter and return a bool. If the rtx parameter is nonnull,
172 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
173 (find_reloads): Update call accordingly. Pass the new operand
174 if it needed no address reloads, otherwise pass null.
176 2008-01-30 Richard Henderson <rth@redhat.com>
179 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
180 for unbounded arrays.
182 2008-01-30 Silvius Rus <rus@google.com>
184 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
186 2008-01-30 Jan Hubicka <jh@suse.cz>
189 * i386.c (init_cumulative_args): Use real function declaration when
192 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
194 PR rtl-optimization/34998
195 * global.c (build_insn_chain): Treat non-subreg_lowpart
196 SUBREGs of pseudos as clobbering all the words covered by the
197 SUBREG, not just all the bytes.
198 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
199 original df_ref rather than an extract parameter.
200 (global_conflicts): Update call accordingly.
202 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
204 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
205 the overflow check to make it easier to read.
206 (__fixtfdi): Change the type of the ll member in union
207 long_double to UDItype_x.
209 2008-01-30 Jakub Jelinek <jakub@redhat.com>
212 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
213 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
214 * tree-inline.c (fold_marked_statements): Call
215 cgraph_update_edges_for_call_stmt if folding a call statement.
216 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
217 debug_generic_stmt calls, reset it back afterwards.
220 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
222 * c-typeck.c (build_external_ref): Don't pedwarn about
223 static vars in current function's scope.
225 2008-01-29 Joseph Myers <joseph@codesourcery.com>
227 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
229 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
232 * ipa-struct-reorg.c: Fix spelling.
235 2008-01-29 Richard Guenther <rguenther@suse.de>
238 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
240 * tree-inline.c (remap_type): Increment remapping_type_depth
241 around remapping types.
242 (copy_body_r): Only add referenced variables if they are referenced
243 from code, not types.
245 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
256 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
257 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
259 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
262 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
263 pointer for tiny stack.
265 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
267 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
269 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
271 * config/vx-common.h: Fix typo in comment.
273 2008-01-28 Ian Lance Taylor <iant@google.com>
277 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
278 coalesce pointers if they have different DECL_NO_TBAA_P values.
279 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
280 between variables with different DECL_NO_TBAA_P values.
282 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
285 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
286 are not legitimate small data references on SPE targets.
288 2008-01-28 David Daney <ddaney@avtrex.com>
290 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
292 2008-01-28 David Daney <ddaney@avtrex.com>
294 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
296 2008-01-27 Joseph Myers <joseph@codesourcery.com>
298 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
299 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
300 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
301 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
302 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
303 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
304 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
305 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
307 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
309 * basic-block.h (condjump_equiv_p): Fix comment.
311 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
313 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
314 print_generic_stmt_indented): Fix comment.
316 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
318 * configure.ac (__stack_chk_fail): Add detecion for availability
319 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
320 * configure: Regenerate.
322 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
325 * final.c (output_addr_const): Handle TRUNCATE.
327 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
330 * tree-ssa-loop-ivopts.c (comp_cost): New type.
331 (zero_cost, infinite_cost): New constants.
332 (struct cost_pair): Change type of cost to comp_cost.
333 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
334 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
336 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
337 split_address_cost, ptr_difference_cost, difference_cost,
338 get_computation_cost_at, get_computation_cost,
339 determine_use_iv_cost_generic, determine_use_iv_cost_address,
340 determine_use_iv_cost_condition, determine_use_iv_costs,
341 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
342 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
343 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
344 Change type of cost to comp_cost.
345 (determine_iv_cost): Increase cost of non-original ivs, instead
346 of decreasing the cost of original ones.
347 (get_address_cost): Indicate the complexity of the addressing mode
349 (try_add_cand_for): Prefer using ivs not specific to some object.
350 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
352 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
353 Janis Johnson <janis187@us.ibm.com>
356 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
357 (TARGET_INSTANTIATE_DECLS): Likewise.
358 * target.h (expand_to_rtl_hook): New target hook.
359 (instantiate_decls): Likewise.
360 * function.c (instantiate_decl): Make non-static. Rename to...
361 (instantiate_decl_rtl): ... this.
362 (instantiate_expr): Use instantiate_decl_rtl.
363 (instantiate_decls_1): Likewise.
364 (instantiate_decls): Likewise.
365 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
366 * function.h (instantiate_decl_rtl): Add prototype.
367 * cfgexpand.c (target.h): New include.
368 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
369 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
370 (TARGET_INSTANTIATE_DECLS): Likewise.
371 (TARGET_INITIALIZER): New target hooks added.
372 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
374 * config/rs6000/rs6000.c (tree-flow.h): New include.
375 (machine_function): Add sdmode_stack_slot field.
376 (rs6000_alloc_sdmode_stack_slot): New function.
377 (rs6000_instantiate_decls): Likewise.
378 (rs6000_secondary_memory_needed_rtx): Likewise.
379 (rs6000_check_sdmode): Likewise.
380 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
381 (TARGET_INSTANTIATE_DECLS): Likewise.
382 (rs6000_hard_regno_mode_ok): Allow SDmode.
383 (num_insns_constant): Likewise. Handle _Decimal32 constants.
384 (rs6000_emit_move): Handle SDmode.
385 (function_arg_advance): Likewise.
386 (function_arg): Likewise.
387 (rs6000_gimplify_va_arg): Likewise. Add special handling of
388 SDmode var args for 32-bit compiles.
389 (rs6000_secondary_reload_class): Handle SDmode.
390 (rs6000_output_function_epilogue): Likewise.
391 (rs6000_function_value): Simplify if statement.
392 (rs6000_libcall_value): Likewise.
393 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
394 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
395 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
396 (movsd_hardfloat): New define_insn.
397 (movsd_softfloat): Likewise.
398 (movsd_store): Likewise.
399 (movsd_load): Likewise.
400 (extendsddd2): Likewise.
401 (extendsdtd2): Likewise.
402 (truncddsd2): Likewise.
403 (movdd_hardfloat64): Fixup comment.
404 (UNSPEC_MOVSD_LOAD): New constant.
405 (UNSPEC_MOVSD_STORE): Likewise.
407 2008-01-26 Jakub Jelinek <jakub@redhat.com>
410 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
412 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
413 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
414 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
417 2008-01-26 David Edelsohn <edelsohn@gnu.org>
420 * config.gcc: Separate AIX 5.3 from AIX 6.1.
421 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
423 * config/rs6000/aix61.h: New file.
425 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
427 PR rtl-optimization/34959
428 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
429 popcount and parity rtxes the same mode as their operand.
430 Truncate or extend the result to the return value's mode
433 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
436 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
437 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
438 to GOT_VERSION_REGNUM.
439 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
440 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
441 * config/mips/mips.c (mips_emit_call_insn): New function.
442 (mips_call_tls_get_addr): Call mips_expand_call directly.
443 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
445 (mips16_build_call_stub): Likewise. Return the call insn or null.
446 (mips_expand_call): Update the call to mips16_build_call_stub
447 accordingly and a remove redundant condition. Assert that MIPS16
448 stubs do not use lazy binding. Use mips_emit_call_insn and return
450 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
452 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
453 (mips_avoid_hazard): Remove hazard_set handling.
454 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
455 (UNSPEC_RESTORE_GP): ...this.
456 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
457 (FAKE_CALL_REGNO): Rename to...
458 (GOT_VERSION_REGNUM): ...this.
459 (type): Add "ghost" value. Add an associated insn reservation.
460 (hazard_set): Remove.
461 (exception_receiver): Rename to...
462 (restore_gp): ...this and update the unspec identifier accordingly.
463 (exception_receiver, nonlocal_got_receiver): New expanders.
464 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
465 FAKE_CALL_REGNO. Remove hazard_set attribute.
466 (set_got_version, update_got_version): New patterns.
468 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
471 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
473 2008-01-25 Joseph Myers <joseph@codesourcery.com>
476 * doc/install.texi2html: Generate gcc-vers.texi.
478 2008-01-25 DJ Delorie <dj@redhat.com>
480 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
482 2008-01-25 Joseph Myers <joseph@codesourcery.com>
484 * config/c4x: Remove directory.
485 * config.gcc (crx-*, mt-*): Mark obsolete.
486 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
487 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
488 sh-*-rtemscoff*): Remove cases.
489 * defaults.h (C4X_FLOAT_FORMAT): Remove.
490 * real.c (encode_c4x_single, decode_c4x_single,
491 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
492 c4x_extended_format): Remove.
493 * real.h (c4x_single_format, c4x_extended_format): Remove.
494 * doc/extend.texi (interrupt, naked): Remove mention of attributes
496 (Pragmas): Remove comment about c4x pragmas.
497 * doc/install.texi (c4x): Remove target-specific instructions.
498 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
499 * doc/md.texi (Machine Constraints): Remove C4x documentation.
500 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
501 refer to C4x source files as examples.
502 (C4X_FLOAT_FORMAT): Remove documentation.
504 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
506 * config/bfin/bfin.c (override_options): Reorder tests so that
507 flag_pic gets enabled for -msep-data.
509 2008-01-25 Richard Guenther <rguenther@suse.de>
512 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
513 to its bitfield precision if required.
515 2008-01-25 Jakub Jelinek <jakub@redhat.com>
518 * tree-nested.c (walk_omp_for): New function.
519 (convert_nonlocal_reference, convert_local_reference): Call
520 walk_omp_for on OMP_FOR.
521 (convert_call_expr): Call walk_body on OMP_FOR's
522 OMP_FOR_PRE_INIT_BODY.
524 2008-01-25 Richard Guenther <rguenther@suse.de>
526 PR tree-optimization/34966
527 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
528 default defs and PHI_NODEs we have to insert after the
531 2008-01-24 Nick Clifton <nickc@redhat.com>
533 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
534 Provide a default definition.
535 (LIBGCC2_UNITS_PER_WORD): Likewise.
537 * config/stormy16/stormy16.c: Include df.h for the prototype
538 for df_regs_ever_live_p.
539 (xstormy16_expand_builtin_va_start): Convert the stack offset
540 into a component_ref and then use POINTER_PLUS_EXPR to add it
541 to the incoming_virtual_args_rtx.
542 (xstormy16_gimplify_va_arg_expr): Rename to
543 xstormy16_gimplify_va_arg_expr.
544 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
545 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
546 xstormy16_gimplify_va_arg_expr.
547 Fix up some formatting issues.
549 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
550 Move to predicates.md.
551 (xs_hi_general_operand): Likewise.
552 (xs_hi_nonmemory_operand): Likewise.
553 * config/stormy16/predicates.md:
554 (xstormy16_carry_plus_operand): New predicate.
555 (xs_hi_general_operand): New predicate.
556 (xs_hi_nonmemory_operand): New predicate.
557 * config/stormy16/stormy16-protos.h:
558 (xstormy16_carry_plus_operand): Delete prototype.
559 (xs_hi_general_operand): Likewise.
560 (xs_hi_nonmemory_operand): Likewise.
562 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
563 modifiers as they are no longer needed and they can trigger
564 reload spill failures.
566 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
567 with a match_operand in order to help reload.
569 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
570 constraint with 'e' for the 8th alternative as this version of
571 the mov.w instruction only accepts the lower 8 registers.
573 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
576 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
577 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
580 2008-01-25 Jakub Jelinek <jakub@redhat.com>
583 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
585 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
587 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
589 (remove_structure): Update allocations list before removing structure.
591 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
593 * ipa-struct-reorg.c (is_safe_cond_expr,
594 create_new_stmts_for_cond_expr): Use integer_zerop function,
595 that recognize not only zero-pointer, but zero-integer too.
597 2008-01-25 Ben Elliston <bje@au.ibm.com>
600 * fixproto: Escape "." in sed expression that strips leading "./".
602 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
605 * gcc.c (SWITCH_OK): Removed.
606 (SWITCH_LIVE): Changed to bit.
607 (SWITCH_FALSE): Likewise.
608 (SWITCH_IGNORE): Likewise.
609 (switchstr): Change live_cond to unsigned int.
610 (process_command): Replace SWITCH_OK with 0.
611 (do_self_spec): Likewise.
612 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
613 (give_switch): Likewise.
614 (used_arg): Likewise.
615 (do_spec_1): Set the SWITCH_IGNORE bit.
616 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
617 bits. Set the SWITCH_LIVE bit.
619 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
621 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
623 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
625 PR tree-optimization/34472
626 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
627 parameter to a "bool *" and set *DATA to false if there is
628 an unsafe access. Do not delete the structure here.
629 (check_cond_exprs): Delete it here instead.
630 (check_cond_exprs, exclude_cold_structs): Do not increase
631 I when removing a structure.
633 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
636 * config/i386/i386.c (ix86_expand_vector_init): Consider only
637 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
639 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
642 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
643 a fixed vector for stack.
645 2008-01-24 Ben Elliston <bje@au.ibm.com>
648 * doc/gcc.texi (Software development): Add a direntry for g++.
650 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
652 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
653 stale and straggling -fforce-addr comments above.
655 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
657 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
658 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
660 2008-01-23 Michael Matz <matz@suse.de>
663 * dwarf2out.c (force_type_die): Use modified_type_die instead of
666 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
668 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
671 2008-01-23 Anatoly Sokolov <aesok@post.ru>
673 * config/avr/avr.c (avr_current_arch): New variable.
674 (avr_arch_types): Add 'avr31' and 'avr51' entries.
675 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
676 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
677 (avr_override_options): Init 'avr_current_arch'.
678 (base_arch_s): Move from here...
679 * config/avr/avr.h (base_arch_s): ... here. Add new members
680 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
681 'mega' to 'have_jmp_call'.
682 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
683 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
685 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
687 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
688 MULTILIB_MATCHES): (Ditto.).
690 2008-01-23 Richard Guenther <rguenther@suse.de>
693 * cgraphunit.c (cgraph_reset_node): Always mark the node
694 not reachable if it is not queued already.
696 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
698 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
699 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
700 (cputype_selected): New static variable.
701 (bfin_handle_option): Set it if -mcpu is used.
702 (override_option): Select default set of workarounds if no cpu type
703 selected on the command line.
704 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
706 From Michael Frysinger <michael.frysinger@analog.com>
707 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
708 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
710 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
711 for bf547, bf523, bf524, and bf526.
712 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
714 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
715 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
716 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
717 __ADSPBF547__ and __ADSPBF54x__ for bf547.
718 * doc/invoke.texi (Blackfin Options): Document that
719 -mcpu now accept bf547, bf523, bf524, and bf526.
721 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
723 PR rtl-optimization/34628
724 * combine.c (try_combine): Stop and undo after the first combination
725 if an autoincrement side-effect on the first insn has effectively
728 2008-01-22 David Edelsohn <edelsohn@gnu.org>
731 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
732 Offset addresses are not valid for Altivec or paired float modes.
734 2008-01-22 Jakub Jelinek <jakub@redhat.com>
737 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
738 if DECL_INITIAL (decl) is error_mark_node.
741 * c-common.c (handle_vector_size_attribute): Only allow
742 integral, scalar float and fixed point types. Handle OFFSET_TYPE
743 the same way as pointer, array etc. types.
744 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
747 * tree.c (build_type_attribute_qual_variant): Call
748 build_qualified_type if attributes are equal, but quals are not.
750 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
753 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
754 * flags.h (warn_strict_aliasing): Remove.
755 (warn_strict_overflow): Remove.
756 * opts.c (warn_strict_aliasing): Remove.
757 (warn_strict_overflow): Remove.
758 * c-opts.c (c_common_handle_option): -Wall only sets
759 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
760 (c_common_post_options): Give default values to -Wstrict-aliasing
761 and -Wstrict-overflow if they are uninitialized.
762 * common.opt (Wstrict-aliasing): Specify Var and Init.
763 (Wstrict-overflow): Likewise.
765 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
767 PR rtl-optimization/26854
768 PR rtl-optimization/34400
769 PR rtl-optimization/34884
770 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
772 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
773 (df_rd_bb_info.expanded_lr_out): Deleted
774 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
775 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
776 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
777 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
778 Removed code to allocate, initialize or free expanded_lr_out.
779 (df_rd_bb_local_compute_process_def): Restructured to make more
781 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
782 sets if the sets are being trimmed.
784 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
787 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
789 * configure: Regenerated.
791 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
794 * tree-pass.h (pass_build_alias): New pass.
795 * tree-ssa-alias.c (gate_build_alias): New.
796 (pass_build_alias): New.
797 * passes.c (init_optimization_passes): Add pass_build_alias after
798 pass_create_structure_vars.
800 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
802 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
803 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
804 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
805 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
806 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
807 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
808 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
809 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
810 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
811 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
812 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
813 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
814 * config/s390/s390.md (FP_ALL): New mode iterator.
815 (_d): New mode attribute.
816 ("*signbit<mode>2>"): Changed mode of first operand.
817 ("isinf<mode>2"): Changed mode of first operand.
818 ("*TDC_insn"): Adaptation for DFP modes.
820 2008-01-22 Ben Elliston <bje@au.ibm.com>
822 * tree.c (check_qualified_type): Improve function description.
824 2008-01-21 Jason Merrill <jason@redhat.com>
827 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
828 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
831 2008-01-21 DJ Delorie <dj@redhat.com>
833 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
836 2008-01-21 Richard Guenther <rguenther@suse.de>
839 * tree-cfg.c (verify_expr): Allow all invariant expressions
840 instead of just constant class ones as reference argument.
841 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
842 like any other constant.
843 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
845 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
847 * regmove.c (fixup_match_1): Update call crossed frequencies.
849 2008-01-21 Richard Guenther <rguenther@suse.de>
852 * tree-inline.c (setup_one_parameter): Deal with mismatched
853 types using a VIEW_CONVERT_EXPR.
855 2008-01-21 Alon Dayan <alond@il.ibm.com>
856 Olga Golovanevsky <olga@il.ibm.com>
858 PR tree-optimization/34701
859 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
860 when the structure size is not a power of 2.
862 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
864 * doc/install.texi: Add doc for --enable-checking=df.
866 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
868 PR rtl-optimization/34808
869 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
871 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
873 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
876 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
878 PR rtl-optimization/26854
879 PR rtl-optimization/34400
880 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
882 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
883 (df_rd_bb_info.expanded_lr_out): New.
884 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
885 * loop_iv.c (iv_analysis_loop_init): Ditto.
886 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
887 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
888 Added code to allocate, initialize or free expanded_lr_out.
889 (df_rd_bb_local_compute_process_def): Restructured to make
891 (df_rd_confluence_n): Add code to do nothing with fake edges and
892 code to no apply invalidate_by_call sets if the sets are being trimmed.
893 (df_lr_local_finalize): Renamed to df_lr_finalize.
894 (df_live_local_finalize): Renamed to df_live_finalize.
896 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
899 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
900 deciding whether to use reciprocal instructions.
902 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
904 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
905 dwarf2out_note_section_used if cold_text_section is NULL.
907 2008-01-19 Jakub Jelinek <jakub@redhat.com>
909 PR gcov-profile/34610
910 * tree-cfg.c (make_edges): Mark both outgoing edges from
911 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
912 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
913 from OMP_FOR and OMP_CONTINUE outgoing edges.
915 * tree-profile.c (tree_profiling): Return early if
916 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
918 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
919 from cfun to child_cfun.
920 * function.h (struct function): Add after_tree_profile bit.
922 2008-01-19 Anatoly Sokolov <aesok@post.ru>
924 * config/avr/avr.S (_exit): Disable interrupt.
926 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
927 Steven Bosscher <stevenb.gcc@gmail.com>
929 PR rtl-optimization/26854
930 PR rtl-optimization/34400
931 * df-problems.c (df_live_scratch): New scratch bitmap.
932 (df_live_alloc): Allocate df_live_scratch when doing df_live.
933 (df_live_reset): Clear the proper bitmaps.
934 (df_live_bb_local_compute): Only process the artificial defs once
935 since the order is not important.
936 (df_live_init): Init the df_live sets only with the variables
938 (df_live_transfer_function): Use the df_lr sets to prune the
939 df_live sets as they are being computed.
940 (df_live_free): Free df_live_scratch.
942 2008-01-18 Ian Lance Taylor <iant@google.com>
944 * common.opt: Add fmerge-debug-strings.
945 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
946 flag_merge_debug_strings rather than flag_merge_constants.
947 * doc/invoke.texi (Option Summary): Mention
948 -fmerge-debug-strings.
949 (Debugging Options): Document -fmerge-debug-strings.
951 2008-01-18 Ian Lance Taylor <iant@google.com>
954 * tree.h (DECL_IS_OPERATOR_NEW): Define.
955 (struct tree_function_decl): Add new field operator_new_flag.
956 * tree-inline.c (expand_call_inline): When inlining a call to
957 operator new, force the return value to go into a variable, and
958 set DECL_NO_TBAA_P on that variable.
959 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
961 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
964 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
965 DWARF2_DEBUGGING_INFO.
966 (dwarf2out_note_section_used): Ditto. Add prototype.
967 (have_multiple_function_sections, text_section_used,
968 cold_text_section_used, *cold_text_sections): Move declarations
971 2008-01-17 Bob Wilson <bob.wilson@acm.org>
973 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
974 field and add signal_ra.
975 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
976 assignments to frame state pc. Move end of stack check after
977 MD_FALLBACK_FRAME_STATE_FOR.
978 (uw_update_context_1): Use frame state signal_regs if set, instead
979 of checking signal_frame flag.
980 (uw_update_context): Use frame state signal_ra if set.
981 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
982 * config/xtensa/linux-unwind.h: New file.
984 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
986 * modulo-sched.c (get_sched_window): Fix comment typo.
988 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
990 PR tree-optimization/34648
991 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
993 2008-01-17 Anatoly Sokolov <aesok@post.ru>
995 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
996 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
998 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1000 PR rtl-optimization/34400
1001 * df-core.c (df_worklist_dataflow_overeager,
1002 df_worklist_dataflow_doublequeue): New functions.
1003 (df_worklist_dataflow): Two different worklist solvers.
1004 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1007 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1010 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1011 and ftree-parallelize-loops.
1013 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1015 PR rtl-optimization/34826
1016 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1018 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1020 * global.c (find_reg): Mark the eh regs as used if necessary.
1021 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1022 * ra.h (struct allocno): no_eh_reg field added. Changed
1023 no_stack_reg type to bitfield.
1025 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1027 * tree.c (substitute_in_expr): Add missing 'break'.
1029 2008-01-17 Richard Guenther <rguenther@suse.de>
1031 PR tree-optimization/34825
1032 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1033 x / x as division to handle.
1035 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1037 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1038 "-pthread" is specified.
1039 * pa-hpux11.h (LIB_SPEC): Likewise.
1041 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1042 Peter Bergner <bergner@vnet.ibm.com>
1044 PR rtl-optimization/33796
1045 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1047 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1049 PR libgfortran/34699
1050 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1052 * pa-hpux10.h (LINK_SPEC): Likewise.
1053 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1055 2008-01-16 Richard Guenther <rguenther@suse.de>
1058 * fold-const.c (fold_convert_const_int_from_int): Do not
1059 set overflow if that occured only because of a sign extension
1060 change when converting from/to a sizetype with the same
1061 precision and signedness.
1063 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1066 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1067 location address to the correct place. Update copyright year.
1069 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1071 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1072 no dependences in the dependence_relations vector.
1074 2008-01-16 Jan Hubicka <jh@suse.cz>
1076 PR rtl-optimization/31396
1077 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1078 * cfg.c (dump_reg_info): Print it.
1079 * regs.h (struct reg_info_t): add freq_calls_crossed.
1080 (REG_FREQ_CALLS_CROSSED): New macro.
1081 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1082 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1083 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1084 regmove_optimize): Update call crossed frequencies.
1085 * local-alloc.c (struct qty): Add freq_calls_crossed.
1086 (alloc_qty): Copute freq_calls_crossed.
1087 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1088 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1089 * ra.h (struct allocno): Add freq_calls_crossed.
1091 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1093 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1094 libgomp when compiling with ftree-parallelize-loops.
1095 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1097 2008-01-16 Richard Guenther <rguenther@suse.de>
1099 PR tree-optimization/34769
1100 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1101 * tree.c (int_cst_value): Instead make this function more
1102 permissive in what it accepts as valid input. Document this
1103 function always sign-extends the value.
1105 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1106 Richard Guenther <rguenther@suse.de>
1109 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1110 (gimple_fold_indirect_ref_rhs): ... this.
1111 (gimple_fold_indirect_ref): New function with foldings
1112 that preserve lvalueness.
1113 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1114 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1115 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1116 to fold an INDIRECT_REF, fall back to the old use of
1117 fold_indirect_ref_1.
1119 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1121 * tree-data-ref.c (subscript_dependence_tester_1): Call
1122 free_conflict_function.
1123 (compute_self_dependence): Same.
1125 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1128 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1129 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1131 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1132 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1133 for DWARF2_UNWIND_INFO targets.
1135 2008-01-16 Richard Guenther <rguenther@suse.de>
1138 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1139 type qualifiers for function types.
1141 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1143 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1144 loop_iterator li from previous commit.
1146 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1148 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1150 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1152 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1153 (parallelize_loops): Don't parallelize irreducible components.
1155 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1158 * c-opts (c_common_post_options): Do not enable CPP
1159 flag_pedantic_errors by default.
1161 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1163 PR rtl-optimization/31944
1164 * cse.c (remove_pseudo_from_table): New function.
1165 (merge_equiv_classes): Use above function to remove pseudo-registers.
1166 (invalidate): Likewise.
1168 2008-01-13 Richard Guenther <rguenther@suse.de>
1171 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1172 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1174 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1176 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1177 validate_change to unshare the source of the PC set.
1179 2008-01-12 Jan Hubicka <jh@suse.cz>
1182 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1183 references above array bounds. This might trigger bounds checks for
1186 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1188 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1189 new_replaceable_dependencies.
1191 2008-01-12 Doug Kwan <dougkwan@google.com>
1193 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1194 instead of OPT_Wreturn_type in warning due to ignored return type
1196 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1197 options included in -Wextra.
1198 * c.opt: New option -Wignored_qualifiers.
1199 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1200 -Wignore_qualifiers.
1201 (-Wignored-qualifiers): Document.
1202 (-Wreturn-type): Remove description of functionality now handled
1203 by -Wignored-qualifiers.
1205 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1208 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1209 NOP_EXPR if it is between integral types with the same precision.
1211 2008-01-12 Jan Hubicka <jh@suse.cz>
1214 * invoke.texi (max-inline-recursive-depth): Fix default value.
1216 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1218 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1221 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1223 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1225 2008-01-11 James E. Wilson <wilson@specifix.com>
1228 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1230 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1232 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1233 save/restore frame pointer register and don't use 'call-prologues'
1234 optimization in function with "OS_task" attribute.
1236 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1239 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1240 when copying to memory.
1242 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1244 PR rtl-optimization/30905
1245 * cfgcleanup.c: Include dce.h
1246 (crossjumps_occured): New global variable.
1247 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1248 If something changed, set crossjumps_occured to true.
1249 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1250 Don't add/remove fake edges to exit here...
1251 (cleanup_cfg): ...but do it here, when crossjumping.
1252 Run a fast DCE when successful crossjumps occured in the latest
1253 iteration of try_optimize_cfg.
1255 2008-01-11 Richard Guenther <rguenther@suse.de>
1257 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1258 (struct vn_unary_op_s): Likewise.
1259 (vn_reference_insert): Free old reference on hash collision.
1261 2008-01-10 Raksit Ashok <raksit@google.com>
1263 PR rtl-optimization/27971
1264 * combine.c (find_split_point): Split PLUS expressions which are
1265 inside a MEM rtx, and whose first operand is complex.
1267 2008-01-10 DJ Delorie <dj@redhat.com>
1269 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1270 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1271 (m32c_hard_regno_ok): Call the underlying function.
1273 2008-01-10 Richard Guenther <rguenther@suse.de>
1276 * tree-cfg.c (tree_merge_blocks): Do not go through the
1277 full-blown folding and stmt updating path if we just deal
1278 with virtual operands.
1279 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1280 test for abnormal SSA_NAMEs.
1282 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1285 * reload.c (push_reload): Add assertions. All constants from
1286 reg_equiv_constant should have been used for replacing the respective
1288 (find_reloads_address): Invoke find_reloads_address_part for
1289 constant taken from the reg_equiv_constant array.
1291 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1293 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1294 field (valnum) the first in the struct. Replace bools with
1297 2008-01-10 Richard Guenther <rguenther@suse.de>
1299 PR tree-optimization/34651
1300 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1301 types and ordering for masking and converting.
1303 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1305 PR tree-optimization/34017
1306 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1307 also for PHI_NODE expressions.
1309 2008-01-09 Jan Hubicka <jh@suse.cz>
1311 PR tree-optimization/34708
1312 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1313 based on number of case labels.
1314 (init_inline_once): Remove switch_cost.
1315 * tree-inline.h (eni_weights_d): Remove switch_cost.
1317 2008-01-09 Richard Guenther <rguenther@suse.de>
1318 Andrew Pinski <andrew_pinski@playstation.sony.com>
1321 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1322 temporary if an rvalue is ok or an lvalue is not required.
1324 2008-01-09 Richard Guenther <rguenther@suse.de>
1327 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1330 2008-01-09 Richard Guenther <rguenther@suse.de>
1333 * tree.c (host_integerp): Check for sizetype only if the
1334 type is an integer type.
1336 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1339 * opts.c (decode_options): Disable inlining of functions called
1340 once if not in unit-at-a-time mode.
1342 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1344 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1346 2008-01-08 Richard Guenther <rguenther@suse.de>
1349 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1350 out early if the result will be unused.
1352 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1357 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1358 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1361 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1363 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1364 for vectorization tuned.
1366 2008-01-08 Richard Guenther <rguenther@suse.de>
1368 PR tree-optimization/34683
1369 * tree-ssa-operands.c (operand_build_cmp): Export.
1370 * tree-ssa-operands.h (operand_build_cmp): Declare.
1371 * tree-vn.c (vuses_compare): Remove.
1372 (sort_vuses): Use operand_build_cmp.
1373 (sort_vuses_heap): Likewise.
1374 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1375 to re-use old VEC if available. Do not sort already sorted VUSEs.
1376 (vdefs_to_vec): Do not sort already sorted VDEFs.
1378 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1381 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1383 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1386 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1387 limitations of reciprocal sequences on x86 targets.
1389 2008-01-08 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/34683
1392 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1394 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1397 * config/darwin.c (darwin_mergeable_string_section): Don't use
1398 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1400 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1403 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1404 negxf2. Macroize expander using X87MODEF mode iterator. Change
1405 predicates of op0 and op1 to register_operand.
1406 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1407 expander using X87MODEF mode iterator. Change predicates of
1408 op0 and op1 to register_operand.
1409 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1410 corresponding patterns and macroize using MODEF macro. Change
1411 predicates of op0 and op1 to register_operand and remove
1412 "m" constraint. Disparage "r" alternative with "!".
1413 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1414 macroize using X87MODEF macro. Change predicates of op0 and op1
1415 to register_operand and remove "m" constraint. Disparage "r"
1416 alternative with "!".
1417 (absneg splitter with memory operands): Remove.
1418 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1419 patterns and macroize using X87MODEF mode iterator.
1420 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1421 Change predicate of op1 to register_operand.
1422 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1423 for memory operands.
1425 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1427 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1429 2008-01-07 Richard Guenther <rguenther@suse.de>
1431 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1434 2008-01-07 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/34683
1437 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1438 VOPs of the needed size to save memory. Use VEC_quick_push
1439 to save compile-time.
1440 (vdefs_to_vec): Likewise.
1442 2008-01-07 Sa Liu <saliu@de.ibm.com>
1444 * config/spu/spu.md (divdf3): Genetate inline code for double
1445 division. The implementation doesn't handle INF or NAN, therefore it
1446 only applies when -ffinite-math-only is given.
1448 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1451 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1452 * doc/cpp.texi ([Common Predefined Macros]): Document.
1454 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1456 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1457 order to use commutative addition instead of subtraction.
1459 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1460 Mircea Namolaru <namolaru@il.ibm.com>
1461 Vladimir Yanovsky <yanov@il.ibm.com>
1462 Revital Eres <eres@il.ibm.com>
1464 PR tree-optimization/34263
1465 * tree-outof-ssa.c (process_single_block_loop_latch,
1466 contains_tree_r): New functions.
1467 (analyze_edges_for_bb): Call process_single_block_loop_latch
1468 function to empty single-basic-block latch block if possible.
1470 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1472 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1474 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1476 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1478 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1480 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1482 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1484 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1486 PR tree-optimization/34618
1487 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1490 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1493 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1494 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1495 Update copyright year.
1497 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1498 Update copyright year.
1499 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1502 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1504 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1505 edge does not point to current bb before changing need_assert.
1507 2008-01-04 Richard Guenther <rguenther@suse.de>
1510 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1511 for verifying purposes if they are is_gimple_min_invariant.
1513 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1515 PR tree-optimization/34448
1516 PR tree-optimization/34465
1517 * gimplify.c (gimplify_init_constructor): Add new parameter
1518 notify_temp_creation. Use it.
1519 (gimplify_modify_expr_rhs): Take volatiles into account when
1520 optimizing constructors.
1521 Do not optimize constructors if gimplify_init_constructor will dump to
1523 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1524 * gcc.c-torture/compile/pr34448.c: New.
1526 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1528 PR gcov-profile/34609
1529 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1530 return_slot if result is TREE_ADDRESSABLE.
1532 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1534 * config/mips/mips.md (sqrt_condition): Tweak comment.
1535 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1537 2008-01-03 Tom Tromey <tromey@redhat.com>
1540 * c-common.c (c_type_hash): Handle VLAs.
1542 2008-01-03 Jan Hubicka <jh@suse.cz>
1544 PR tree-optimization/31081
1545 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1546 0 when inlining and not inlining to first basic block.
1547 (remap_decl): When var is initialized to 0, don't set default_def.
1548 (expand_call_inline): Set entry_bb.
1549 * tree-inline.h (copy_body_data): Add entry_bb.
1551 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1554 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1557 PR tree-optimization/29484
1558 * tree-inline.c (inline_forbidden_p_2): New function.
1559 (inline_forbidden_p): Disallow inlining if some static var
1560 has an address of a local LABEL_DECL in its initializer.
1561 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1564 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1566 PR tree-optimization/34635
1567 * tree-data-ref.c (add_other_self_distances): Make sure that the
1568 evolution step is constant.
1570 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1573 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1575 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1577 * tree-sra.c (scalarize_init): Insert the generate_element_init
1578 statements after the generate_element_zero statements.
1580 2008-01-02 Richard Guenther <rguenther@suse.de>
1584 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1585 for very large number of operands instead of ICEing.
1587 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1590 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1591 while stack probing.
1593 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1595 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1598 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1601 * tree-mudflap.c (mx_register_decls): Guard warning by
1602 !DECL_ARTIFICIAL check.
1604 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1606 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1607 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1608 sse5_perm<mode>): Fix constraints.