1 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5 2008-02-07 Richard Henderson <rth@redhat.com>
8 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
9 EXPR_LIST for the REG_EQUAL instead of a comparison with a
12 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
14 PR tree-optimization/35085
15 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
16 for operand entry oe2 in addition to operand entry oe3 in order to
17 expose more opportunities for vectorizer sum reduction.
19 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22 * Makefile.in (LIBS): Remove $(GMPLIBS).
23 (cc1-dummy, cc1): Add $(GMPLIBS).
25 2008-02-06 Jan Hubicka <jh@suse.cz>
28 * i386.md (moddf_integer): Do not produce partial memory stalls for
29 targets where it hurts.
31 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
34 * optabs.c (expand_float): Do not check for decimal modes when
35 expanding unsigned integer through signed conversion.
37 2008-02-06 Nick Clifton <nickc@redhat.com>
39 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
40 inside the clobber with a match_operand and duplicated operand
41 number in the constraint.
42 (ineqbranchsi): Delete redundant comment.
44 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
46 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
47 builtin_define ("__USE_INIT_FINI__").
48 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
50 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
52 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
54 PR documentation/30330
55 * doc/invoke.texi (C++ Dialect Options)
56 (Objective-C and Objective-C++ Dialect Options, Warning Options):
57 For each warning option -Wfoo that allows -Wno-foo, ensure both
58 -Wfoo and -Wno-foo are listed in the option index. Fix index
59 entry of -Wswitch-default, index -Wnormalized= including the
60 `=', and -Wlarger-than-@var{len} including @var{len}.
62 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
64 * config/i386/i386.md (floatunssisf2): Use
65 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
66 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
67 Macroize expander using MODEF mode iterator.
69 2008-02-05 Diego Novillo <dnovillo@google.com>
71 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
74 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
76 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
79 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
81 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
84 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
85 to indicate if a message should be generated.
86 (init_cumulative_args): Updated.
87 (function_value_32): Likewise.
89 2008-02-05 Joseph Myers <joseph@codesourcery.com>
91 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
93 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
96 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
97 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
99 2008-02-04 Diego Novillo <dnovillo@google.com>
101 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
104 * tree-vrp.c (vrp_evaluate_conditional): With
105 -Wtype-limits, emit a warning when comparing against a
106 constant outside the natural range of OP0's type.
108 2008-02-04 Richard Guenther <rguenther@suse.de>
111 * expr.c (count_type_elements): Give for unions instead of
114 2008-02-04 Richard Guenther <rguenther@suse.de>
117 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
118 to TYPE_DOMAINs base type instead of using bitsizetype here.
120 2008-02-03 Jason Merrill <jason@redhat.com>
122 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
124 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
127 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
128 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
129 (RS/6000 and PowerPC Options): Fix typos and markup.
130 * doc/passes.texi (Tree-SSA passes): Likewise.
132 2008-02-02 Michael Matz <matz@suse.de>
135 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
136 from record_last_reg_set_info.
137 (record_last_reg_set_info): Take an RTX argument, iterate over all
138 constituent hardregs.
139 (record_last_set_info, record_opr_changes): Change calls to
140 new signature or to record_last_reg_set_info_regno.
142 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
144 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
146 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
148 PR rtl-optimization/34773
149 * reg-notes.def (EQUAL): Mention significance of combination of
150 REG_EQUAL and REG_RETVAL.
151 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
152 insn that has a REG_RETVAL.
154 2008-02-01 Roger Sayle <roger@eyesopen.com>
157 * configure.ac (--enable-fixed-point): Disable unless explicitly
159 * configure: Regenerate.
161 2008-02-01 Richard Guenther <rguenther@suse.de>
164 * invoke.texi (-finline-limit): Remove no longer true parts
165 of the documentation. Note that there is no default value.
167 2008-02-01 Andrew Pinski <pinskia@gmail.com>
168 Mark Mitchell <mark@codesourcery.com>
169 Ben Elliston <bje@au.ibm.com>
172 * doc/extend.texi (Other Builtins): Document.
174 2008-01-31 Tom Browder <tom.browder@gmail.com>
176 * doc/c-tree.texi (Types): Fix grammar.
177 (Expression trees): Ditto.
178 * doc/passes.texi (Tree-SSA passes): Ditto.
180 * doc/configterms.texi (Configure Terms): Fix typo.
181 * doc/cpp.texi (Common Predefined Macros): Ditto.
182 * doc/md.texi (Machine Constraints): Ditto.
184 * doc/makefile.texi (Makefile): Add comma.
186 2008-01-31 Tom Browder <tom.browder@gmail.com>
187 Gerald Pfeifer <gerald@pfeifer.com>
189 * doc/sourcebuild.texi (Front End): Remove references to CVS
191 (Texinfo Manuals): Replace reference to CVS by one to SVN.
192 (Back End): Remove reference to CVS.
194 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
197 * config/mips/mips.c (gen_load_const_gp): New function, taking a
199 (mips16_gp_pseudo_reg): ...here.
200 * config/mips/mips.md (load_const_gp): Replace with...
201 (load_const_gp_<mode>): ...this :P-based insn.
203 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
205 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
206 options. Minor fixes.
207 (-std): Move reference to standards closer to where language
208 standards are first mentioned.
210 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
212 PR rtl-optimization/34995
213 * reload.c (alternative_allows_const_pool_ref): Take an rtx
214 parameter and return a bool. If the rtx parameter is nonnull,
215 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
216 (find_reloads): Update call accordingly. Pass the new operand
217 if it needed no address reloads, otherwise pass null.
219 2008-01-30 Richard Henderson <rth@redhat.com>
222 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
223 for unbounded arrays.
225 2008-01-30 Silvius Rus <rus@google.com>
227 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
229 2008-01-30 Jan Hubicka <jh@suse.cz>
232 * i386.c (init_cumulative_args): Use real function declaration when
235 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
237 PR rtl-optimization/34998
238 * global.c (build_insn_chain): Treat non-subreg_lowpart
239 SUBREGs of pseudos as clobbering all the words covered by the
240 SUBREG, not just all the bytes.
241 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
242 original df_ref rather than an extract parameter.
243 (global_conflicts): Update call accordingly.
245 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
247 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
248 the overflow check to make it easier to read.
249 (__fixtfdi): Change the type of the ll member in union
250 long_double to UDItype_x.
252 2008-01-30 Jakub Jelinek <jakub@redhat.com>
255 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
256 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
257 * tree-inline.c (fold_marked_statements): Call
258 cgraph_update_edges_for_call_stmt if folding a call statement.
259 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
260 debug_generic_stmt calls, reset it back afterwards.
263 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
265 * c-typeck.c (build_external_ref): Don't pedwarn about
266 static vars in current function's scope.
268 2008-01-29 Joseph Myers <joseph@codesourcery.com>
270 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
272 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
275 * ipa-struct-reorg.c: Fix spelling.
278 2008-01-29 Richard Guenther <rguenther@suse.de>
281 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
283 * tree-inline.c (remap_type): Increment remapping_type_depth
284 around remapping types.
285 (copy_body_r): Only add referenced variables if they are referenced
286 from code, not types.
288 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
299 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
300 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
302 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
305 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
306 pointer for tiny stack.
308 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
310 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
312 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
314 * config/vx-common.h: Fix typo in comment.
316 2008-01-28 Ian Lance Taylor <iant@google.com>
320 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
321 coalesce pointers if they have different DECL_NO_TBAA_P values.
322 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
323 between variables with different DECL_NO_TBAA_P values.
325 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
328 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
329 are not legitimate small data references on SPE targets.
331 2008-01-28 David Daney <ddaney@avtrex.com>
333 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
335 2008-01-28 David Daney <ddaney@avtrex.com>
337 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
339 2008-01-27 Joseph Myers <joseph@codesourcery.com>
341 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
342 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
343 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
344 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
345 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
346 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
347 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
348 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
350 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
352 * basic-block.h (condjump_equiv_p): Fix comment.
354 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
356 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
357 print_generic_stmt_indented): Fix comment.
359 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
361 * configure.ac (__stack_chk_fail): Add detecion for availability
362 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
363 * configure: Regenerate.
365 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
368 * final.c (output_addr_const): Handle TRUNCATE.
370 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
373 * tree-ssa-loop-ivopts.c (comp_cost): New type.
374 (zero_cost, infinite_cost): New constants.
375 (struct cost_pair): Change type of cost to comp_cost.
376 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
377 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
379 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
380 split_address_cost, ptr_difference_cost, difference_cost,
381 get_computation_cost_at, get_computation_cost,
382 determine_use_iv_cost_generic, determine_use_iv_cost_address,
383 determine_use_iv_cost_condition, determine_use_iv_costs,
384 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
385 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
386 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
387 Change type of cost to comp_cost.
388 (determine_iv_cost): Increase cost of non-original ivs, instead
389 of decreasing the cost of original ones.
390 (get_address_cost): Indicate the complexity of the addressing mode
392 (try_add_cand_for): Prefer using ivs not specific to some object.
393 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
395 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
396 Janis Johnson <janis187@us.ibm.com>
399 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
400 (TARGET_INSTANTIATE_DECLS): Likewise.
401 * target.h (expand_to_rtl_hook): New target hook.
402 (instantiate_decls): Likewise.
403 * function.c (instantiate_decl): Make non-static. Rename to...
404 (instantiate_decl_rtl): ... this.
405 (instantiate_expr): Use instantiate_decl_rtl.
406 (instantiate_decls_1): Likewise.
407 (instantiate_decls): Likewise.
408 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
409 * function.h (instantiate_decl_rtl): Add prototype.
410 * cfgexpand.c (target.h): New include.
411 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
412 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
413 (TARGET_INSTANTIATE_DECLS): Likewise.
414 (TARGET_INITIALIZER): New target hooks added.
415 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
417 * config/rs6000/rs6000.c (tree-flow.h): New include.
418 (machine_function): Add sdmode_stack_slot field.
419 (rs6000_alloc_sdmode_stack_slot): New function.
420 (rs6000_instantiate_decls): Likewise.
421 (rs6000_secondary_memory_needed_rtx): Likewise.
422 (rs6000_check_sdmode): Likewise.
423 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
424 (TARGET_INSTANTIATE_DECLS): Likewise.
425 (rs6000_hard_regno_mode_ok): Allow SDmode.
426 (num_insns_constant): Likewise. Handle _Decimal32 constants.
427 (rs6000_emit_move): Handle SDmode.
428 (function_arg_advance): Likewise.
429 (function_arg): Likewise.
430 (rs6000_gimplify_va_arg): Likewise. Add special handling of
431 SDmode var args for 32-bit compiles.
432 (rs6000_secondary_reload_class): Handle SDmode.
433 (rs6000_output_function_epilogue): Likewise.
434 (rs6000_function_value): Simplify if statement.
435 (rs6000_libcall_value): Likewise.
436 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
437 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
438 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
439 (movsd_hardfloat): New define_insn.
440 (movsd_softfloat): Likewise.
441 (movsd_store): Likewise.
442 (movsd_load): Likewise.
443 (extendsddd2): Likewise.
444 (extendsdtd2): Likewise.
445 (truncddsd2): Likewise.
446 (movdd_hardfloat64): Fixup comment.
447 (UNSPEC_MOVSD_LOAD): New constant.
448 (UNSPEC_MOVSD_STORE): Likewise.
450 2008-01-26 Jakub Jelinek <jakub@redhat.com>
453 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
455 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
456 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
457 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
460 2008-01-26 David Edelsohn <edelsohn@gnu.org>
463 * config.gcc: Separate AIX 5.3 from AIX 6.1.
464 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
466 * config/rs6000/aix61.h: New file.
468 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
470 PR rtl-optimization/34959
471 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
472 popcount and parity rtxes the same mode as their operand.
473 Truncate or extend the result to the return value's mode
476 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
479 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
480 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
481 to GOT_VERSION_REGNUM.
482 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
483 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
484 * config/mips/mips.c (mips_emit_call_insn): New function.
485 (mips_call_tls_get_addr): Call mips_expand_call directly.
486 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
488 (mips16_build_call_stub): Likewise. Return the call insn or null.
489 (mips_expand_call): Update the call to mips16_build_call_stub
490 accordingly and a remove redundant condition. Assert that MIPS16
491 stubs do not use lazy binding. Use mips_emit_call_insn and return
493 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
495 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
496 (mips_avoid_hazard): Remove hazard_set handling.
497 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
498 (UNSPEC_RESTORE_GP): ...this.
499 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
500 (FAKE_CALL_REGNO): Rename to...
501 (GOT_VERSION_REGNUM): ...this.
502 (type): Add "ghost" value. Add an associated insn reservation.
503 (hazard_set): Remove.
504 (exception_receiver): Rename to...
505 (restore_gp): ...this and update the unspec identifier accordingly.
506 (exception_receiver, nonlocal_got_receiver): New expanders.
507 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
508 FAKE_CALL_REGNO. Remove hazard_set attribute.
509 (set_got_version, update_got_version): New patterns.
511 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
514 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
516 2008-01-25 Joseph Myers <joseph@codesourcery.com>
519 * doc/install.texi2html: Generate gcc-vers.texi.
521 2008-01-25 DJ Delorie <dj@redhat.com>
523 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
525 2008-01-25 Joseph Myers <joseph@codesourcery.com>
527 * config/c4x: Remove directory.
528 * config.gcc (crx-*, mt-*): Mark obsolete.
529 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
530 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
531 sh-*-rtemscoff*): Remove cases.
532 * defaults.h (C4X_FLOAT_FORMAT): Remove.
533 * real.c (encode_c4x_single, decode_c4x_single,
534 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
535 c4x_extended_format): Remove.
536 * real.h (c4x_single_format, c4x_extended_format): Remove.
537 * doc/extend.texi (interrupt, naked): Remove mention of attributes
539 (Pragmas): Remove comment about c4x pragmas.
540 * doc/install.texi (c4x): Remove target-specific instructions.
541 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
542 * doc/md.texi (Machine Constraints): Remove C4x documentation.
543 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
544 refer to C4x source files as examples.
545 (C4X_FLOAT_FORMAT): Remove documentation.
547 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
549 * config/bfin/bfin.c (override_options): Reorder tests so that
550 flag_pic gets enabled for -msep-data.
552 2008-01-25 Richard Guenther <rguenther@suse.de>
555 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
556 to its bitfield precision if required.
558 2008-01-25 Jakub Jelinek <jakub@redhat.com>
561 * tree-nested.c (walk_omp_for): New function.
562 (convert_nonlocal_reference, convert_local_reference): Call
563 walk_omp_for on OMP_FOR.
564 (convert_call_expr): Call walk_body on OMP_FOR's
565 OMP_FOR_PRE_INIT_BODY.
567 2008-01-25 Richard Guenther <rguenther@suse.de>
569 PR tree-optimization/34966
570 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
571 default defs and PHI_NODEs we have to insert after the
574 2008-01-24 Nick Clifton <nickc@redhat.com>
576 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
577 Provide a default definition.
578 (LIBGCC2_UNITS_PER_WORD): Likewise.
580 * config/stormy16/stormy16.c: Include df.h for the prototype
581 for df_regs_ever_live_p.
582 (xstormy16_expand_builtin_va_start): Convert the stack offset
583 into a component_ref and then use POINTER_PLUS_EXPR to add it
584 to the incoming_virtual_args_rtx.
585 (xstormy16_gimplify_va_arg_expr): Rename to
586 xstormy16_gimplify_va_arg_expr.
587 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
588 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
589 xstormy16_gimplify_va_arg_expr.
590 Fix up some formatting issues.
592 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
593 Move to predicates.md.
594 (xs_hi_general_operand): Likewise.
595 (xs_hi_nonmemory_operand): Likewise.
596 * config/stormy16/predicates.md:
597 (xstormy16_carry_plus_operand): New predicate.
598 (xs_hi_general_operand): New predicate.
599 (xs_hi_nonmemory_operand): New predicate.
600 * config/stormy16/stormy16-protos.h:
601 (xstormy16_carry_plus_operand): Delete prototype.
602 (xs_hi_general_operand): Likewise.
603 (xs_hi_nonmemory_operand): Likewise.
605 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
606 modifiers as they are no longer needed and they can trigger
607 reload spill failures.
609 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
610 with a match_operand in order to help reload.
612 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
613 constraint with 'e' for the 8th alternative as this version of
614 the mov.w instruction only accepts the lower 8 registers.
616 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
619 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
620 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
623 2008-01-25 Jakub Jelinek <jakub@redhat.com>
626 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
628 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
630 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
632 (remove_structure): Update allocations list before removing structure.
634 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
636 * ipa-struct-reorg.c (is_safe_cond_expr,
637 create_new_stmts_for_cond_expr): Use integer_zerop function,
638 that recognize not only zero-pointer, but zero-integer too.
640 2008-01-25 Ben Elliston <bje@au.ibm.com>
643 * fixproto: Escape "." in sed expression that strips leading "./".
645 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
648 * gcc.c (SWITCH_OK): Removed.
649 (SWITCH_LIVE): Changed to bit.
650 (SWITCH_FALSE): Likewise.
651 (SWITCH_IGNORE): Likewise.
652 (switchstr): Change live_cond to unsigned int.
653 (process_command): Replace SWITCH_OK with 0.
654 (do_self_spec): Likewise.
655 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
656 (give_switch): Likewise.
657 (used_arg): Likewise.
658 (do_spec_1): Set the SWITCH_IGNORE bit.
659 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
660 bits. Set the SWITCH_LIVE bit.
662 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
664 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
666 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
668 PR tree-optimization/34472
669 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
670 parameter to a "bool *" and set *DATA to false if there is
671 an unsafe access. Do not delete the structure here.
672 (check_cond_exprs): Delete it here instead.
673 (check_cond_exprs, exclude_cold_structs): Do not increase
674 I when removing a structure.
676 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
679 * config/i386/i386.c (ix86_expand_vector_init): Consider only
680 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
682 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
685 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
686 a fixed vector for stack.
688 2008-01-24 Ben Elliston <bje@au.ibm.com>
691 * doc/gcc.texi (Software development): Add a direntry for g++.
693 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
695 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
696 stale and straggling -fforce-addr comments above.
698 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
700 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
701 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
703 2008-01-23 Michael Matz <matz@suse.de>
706 * dwarf2out.c (force_type_die): Use modified_type_die instead of
709 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
711 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
714 2008-01-23 Anatoly Sokolov <aesok@post.ru>
716 * config/avr/avr.c (avr_current_arch): New variable.
717 (avr_arch_types): Add 'avr31' and 'avr51' entries.
718 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
719 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
720 (avr_override_options): Init 'avr_current_arch'.
721 (base_arch_s): Move from here...
722 * config/avr/avr.h (base_arch_s): ... here. Add new members
723 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
724 'mega' to 'have_jmp_call'.
725 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
726 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
728 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
730 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
731 MULTILIB_MATCHES): (Ditto.).
733 2008-01-23 Richard Guenther <rguenther@suse.de>
736 * cgraphunit.c (cgraph_reset_node): Always mark the node
737 not reachable if it is not queued already.
739 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
741 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
742 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
743 (cputype_selected): New static variable.
744 (bfin_handle_option): Set it if -mcpu is used.
745 (override_option): Select default set of workarounds if no cpu type
746 selected on the command line.
747 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
749 From Michael Frysinger <michael.frysinger@analog.com>
750 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
751 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
753 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
754 for bf547, bf523, bf524, and bf526.
755 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
757 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
758 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
759 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
760 __ADSPBF547__ and __ADSPBF54x__ for bf547.
761 * doc/invoke.texi (Blackfin Options): Document that
762 -mcpu now accept bf547, bf523, bf524, and bf526.
764 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
766 PR rtl-optimization/34628
767 * combine.c (try_combine): Stop and undo after the first combination
768 if an autoincrement side-effect on the first insn has effectively
771 2008-01-22 David Edelsohn <edelsohn@gnu.org>
774 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
775 Offset addresses are not valid for Altivec or paired float modes.
777 2008-01-22 Jakub Jelinek <jakub@redhat.com>
780 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
781 if DECL_INITIAL (decl) is error_mark_node.
784 * c-common.c (handle_vector_size_attribute): Only allow
785 integral, scalar float and fixed point types. Handle OFFSET_TYPE
786 the same way as pointer, array etc. types.
787 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
790 * tree.c (build_type_attribute_qual_variant): Call
791 build_qualified_type if attributes are equal, but quals are not.
793 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
796 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
797 * flags.h (warn_strict_aliasing): Remove.
798 (warn_strict_overflow): Remove.
799 * opts.c (warn_strict_aliasing): Remove.
800 (warn_strict_overflow): Remove.
801 * c-opts.c (c_common_handle_option): -Wall only sets
802 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
803 (c_common_post_options): Give default values to -Wstrict-aliasing
804 and -Wstrict-overflow if they are uninitialized.
805 * common.opt (Wstrict-aliasing): Specify Var and Init.
806 (Wstrict-overflow): Likewise.
808 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
810 PR rtl-optimization/26854
811 PR rtl-optimization/34400
812 PR rtl-optimization/34884
813 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
815 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
816 (df_rd_bb_info.expanded_lr_out): Deleted
817 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
818 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
819 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
820 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
821 Removed code to allocate, initialize or free expanded_lr_out.
822 (df_rd_bb_local_compute_process_def): Restructured to make more
824 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
825 sets if the sets are being trimmed.
827 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
830 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
832 * configure: Regenerated.
834 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
837 * tree-pass.h (pass_build_alias): New pass.
838 * tree-ssa-alias.c (gate_build_alias): New.
839 (pass_build_alias): New.
840 * passes.c (init_optimization_passes): Add pass_build_alias after
841 pass_create_structure_vars.
843 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
845 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
846 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
847 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
848 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
849 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
850 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
851 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
852 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
853 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
854 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
855 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
856 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
857 * config/s390/s390.md (FP_ALL): New mode iterator.
858 (_d): New mode attribute.
859 ("*signbit<mode>2>"): Changed mode of first operand.
860 ("isinf<mode>2"): Changed mode of first operand.
861 ("*TDC_insn"): Adaptation for DFP modes.
863 2008-01-22 Ben Elliston <bje@au.ibm.com>
865 * tree.c (check_qualified_type): Improve function description.
867 2008-01-21 Jason Merrill <jason@redhat.com>
870 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
871 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
874 2008-01-21 DJ Delorie <dj@redhat.com>
876 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
879 2008-01-21 Richard Guenther <rguenther@suse.de>
882 * tree-cfg.c (verify_expr): Allow all invariant expressions
883 instead of just constant class ones as reference argument.
884 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
885 like any other constant.
886 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
888 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
890 * regmove.c (fixup_match_1): Update call crossed frequencies.
892 2008-01-21 Richard Guenther <rguenther@suse.de>
895 * tree-inline.c (setup_one_parameter): Deal with mismatched
896 types using a VIEW_CONVERT_EXPR.
898 2008-01-21 Alon Dayan <alond@il.ibm.com>
899 Olga Golovanevsky <olga@il.ibm.com>
901 PR tree-optimization/34701
902 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
903 when the structure size is not a power of 2.
905 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
907 * doc/install.texi: Add doc for --enable-checking=df.
909 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
911 PR rtl-optimization/34808
912 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
914 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
916 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
919 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
921 PR rtl-optimization/26854
922 PR rtl-optimization/34400
923 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
925 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
926 (df_rd_bb_info.expanded_lr_out): New.
927 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
928 * loop_iv.c (iv_analysis_loop_init): Ditto.
929 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
930 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
931 Added code to allocate, initialize or free expanded_lr_out.
932 (df_rd_bb_local_compute_process_def): Restructured to make
934 (df_rd_confluence_n): Add code to do nothing with fake edges and
935 code to no apply invalidate_by_call sets if the sets are being trimmed.
936 (df_lr_local_finalize): Renamed to df_lr_finalize.
937 (df_live_local_finalize): Renamed to df_live_finalize.
939 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
942 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
943 deciding whether to use reciprocal instructions.
945 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
947 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
948 dwarf2out_note_section_used if cold_text_section is NULL.
950 2008-01-19 Jakub Jelinek <jakub@redhat.com>
952 PR gcov-profile/34610
953 * tree-cfg.c (make_edges): Mark both outgoing edges from
954 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
955 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
956 from OMP_FOR and OMP_CONTINUE outgoing edges.
958 * tree-profile.c (tree_profiling): Return early if
959 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
961 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
962 from cfun to child_cfun.
963 * function.h (struct function): Add after_tree_profile bit.
965 2008-01-19 Anatoly Sokolov <aesok@post.ru>
967 * config/avr/avr.S (_exit): Disable interrupt.
969 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
970 Steven Bosscher <stevenb.gcc@gmail.com>
972 PR rtl-optimization/26854
973 PR rtl-optimization/34400
974 * df-problems.c (df_live_scratch): New scratch bitmap.
975 (df_live_alloc): Allocate df_live_scratch when doing df_live.
976 (df_live_reset): Clear the proper bitmaps.
977 (df_live_bb_local_compute): Only process the artificial defs once
978 since the order is not important.
979 (df_live_init): Init the df_live sets only with the variables
981 (df_live_transfer_function): Use the df_lr sets to prune the
982 df_live sets as they are being computed.
983 (df_live_free): Free df_live_scratch.
985 2008-01-18 Ian Lance Taylor <iant@google.com>
987 * common.opt: Add fmerge-debug-strings.
988 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
989 flag_merge_debug_strings rather than flag_merge_constants.
990 * doc/invoke.texi (Option Summary): Mention
991 -fmerge-debug-strings.
992 (Debugging Options): Document -fmerge-debug-strings.
994 2008-01-18 Ian Lance Taylor <iant@google.com>
997 * tree.h (DECL_IS_OPERATOR_NEW): Define.
998 (struct tree_function_decl): Add new field operator_new_flag.
999 * tree-inline.c (expand_call_inline): When inlining a call to
1000 operator new, force the return value to go into a variable, and
1001 set DECL_NO_TBAA_P on that variable.
1002 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1004 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1007 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1008 DWARF2_DEBUGGING_INFO.
1009 (dwarf2out_note_section_used): Ditto. Add prototype.
1010 (have_multiple_function_sections, text_section_used,
1011 cold_text_section_used, *cold_text_sections): Move declarations
1014 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1016 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1017 field and add signal_ra.
1018 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1019 assignments to frame state pc. Move end of stack check after
1020 MD_FALLBACK_FRAME_STATE_FOR.
1021 (uw_update_context_1): Use frame state signal_regs if set, instead
1022 of checking signal_frame flag.
1023 (uw_update_context): Use frame state signal_ra if set.
1024 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1025 * config/xtensa/linux-unwind.h: New file.
1027 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1029 * modulo-sched.c (get_sched_window): Fix comment typo.
1031 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1033 PR tree-optimization/34648
1034 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1036 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1038 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1039 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1041 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1043 PR rtl-optimization/34400
1044 * df-core.c (df_worklist_dataflow_overeager,
1045 df_worklist_dataflow_doublequeue): New functions.
1046 (df_worklist_dataflow): Two different worklist solvers.
1047 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1050 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1053 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1054 and ftree-parallelize-loops.
1056 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1058 PR rtl-optimization/34826
1059 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1061 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1063 * global.c (find_reg): Mark the eh regs as used if necessary.
1064 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1065 * ra.h (struct allocno): no_eh_reg field added. Changed
1066 no_stack_reg type to bitfield.
1068 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1070 * tree.c (substitute_in_expr): Add missing 'break'.
1072 2008-01-17 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/34825
1075 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1076 x / x as division to handle.
1078 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1080 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1081 "-pthread" is specified.
1082 * pa-hpux11.h (LIB_SPEC): Likewise.
1084 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1085 Peter Bergner <bergner@vnet.ibm.com>
1087 PR rtl-optimization/33796
1088 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1090 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1092 PR libgfortran/34699
1093 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1095 * pa-hpux10.h (LINK_SPEC): Likewise.
1096 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1098 2008-01-16 Richard Guenther <rguenther@suse.de>
1101 * fold-const.c (fold_convert_const_int_from_int): Do not
1102 set overflow if that occured only because of a sign extension
1103 change when converting from/to a sizetype with the same
1104 precision and signedness.
1106 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1109 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1110 location address to the correct place. Update copyright year.
1112 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1114 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1115 no dependences in the dependence_relations vector.
1117 2008-01-16 Jan Hubicka <jh@suse.cz>
1119 PR rtl-optimization/31396
1120 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1121 * cfg.c (dump_reg_info): Print it.
1122 * regs.h (struct reg_info_t): add freq_calls_crossed.
1123 (REG_FREQ_CALLS_CROSSED): New macro.
1124 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1125 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1126 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1127 regmove_optimize): Update call crossed frequencies.
1128 * local-alloc.c (struct qty): Add freq_calls_crossed.
1129 (alloc_qty): Copute freq_calls_crossed.
1130 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1131 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1132 * ra.h (struct allocno): Add freq_calls_crossed.
1134 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1136 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1137 libgomp when compiling with ftree-parallelize-loops.
1138 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1140 2008-01-16 Richard Guenther <rguenther@suse.de>
1142 PR tree-optimization/34769
1143 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1144 * tree.c (int_cst_value): Instead make this function more
1145 permissive in what it accepts as valid input. Document this
1146 function always sign-extends the value.
1148 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1149 Richard Guenther <rguenther@suse.de>
1152 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1153 (gimple_fold_indirect_ref_rhs): ... this.
1154 (gimple_fold_indirect_ref): New function with foldings
1155 that preserve lvalueness.
1156 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1157 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1158 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1159 to fold an INDIRECT_REF, fall back to the old use of
1160 fold_indirect_ref_1.
1162 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1164 * tree-data-ref.c (subscript_dependence_tester_1): Call
1165 free_conflict_function.
1166 (compute_self_dependence): Same.
1168 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1171 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1172 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1174 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1175 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1176 for DWARF2_UNWIND_INFO targets.
1178 2008-01-16 Richard Guenther <rguenther@suse.de>
1181 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1182 type qualifiers for function types.
1184 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1186 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1187 loop_iterator li from previous commit.
1189 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1191 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1193 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1195 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1196 (parallelize_loops): Don't parallelize irreducible components.
1198 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1201 * c-opts (c_common_post_options): Do not enable CPP
1202 flag_pedantic_errors by default.
1204 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1206 PR rtl-optimization/31944
1207 * cse.c (remove_pseudo_from_table): New function.
1208 (merge_equiv_classes): Use above function to remove pseudo-registers.
1209 (invalidate): Likewise.
1211 2008-01-13 Richard Guenther <rguenther@suse.de>
1214 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1215 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1217 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1219 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1220 validate_change to unshare the source of the PC set.
1222 2008-01-12 Jan Hubicka <jh@suse.cz>
1225 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1226 references above array bounds. This might trigger bounds checks for
1229 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1231 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1232 new_replaceable_dependencies.
1234 2008-01-12 Doug Kwan <dougkwan@google.com>
1236 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1237 instead of OPT_Wreturn_type in warning due to ignored return type
1239 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1240 options included in -Wextra.
1241 * c.opt: New option -Wignored_qualifiers.
1242 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1243 -Wignore_qualifiers.
1244 (-Wignored-qualifiers): Document.
1245 (-Wreturn-type): Remove description of functionality now handled
1246 by -Wignored-qualifiers.
1248 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1251 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1252 NOP_EXPR if it is between integral types with the same precision.
1254 2008-01-12 Jan Hubicka <jh@suse.cz>
1257 * invoke.texi (max-inline-recursive-depth): Fix default value.
1259 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1261 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1264 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1266 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1268 2008-01-11 James E. Wilson <wilson@specifix.com>
1271 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1273 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1275 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1276 save/restore frame pointer register and don't use 'call-prologues'
1277 optimization in function with "OS_task" attribute.
1279 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1282 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1283 when copying to memory.
1285 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1287 PR rtl-optimization/30905
1288 * cfgcleanup.c: Include dce.h
1289 (crossjumps_occured): New global variable.
1290 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1291 If something changed, set crossjumps_occured to true.
1292 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1293 Don't add/remove fake edges to exit here...
1294 (cleanup_cfg): ...but do it here, when crossjumping.
1295 Run a fast DCE when successful crossjumps occured in the latest
1296 iteration of try_optimize_cfg.
1298 2008-01-11 Richard Guenther <rguenther@suse.de>
1300 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1301 (struct vn_unary_op_s): Likewise.
1302 (vn_reference_insert): Free old reference on hash collision.
1304 2008-01-10 Raksit Ashok <raksit@google.com>
1306 PR rtl-optimization/27971
1307 * combine.c (find_split_point): Split PLUS expressions which are
1308 inside a MEM rtx, and whose first operand is complex.
1310 2008-01-10 DJ Delorie <dj@redhat.com>
1312 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1313 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1314 (m32c_hard_regno_ok): Call the underlying function.
1316 2008-01-10 Richard Guenther <rguenther@suse.de>
1319 * tree-cfg.c (tree_merge_blocks): Do not go through the
1320 full-blown folding and stmt updating path if we just deal
1321 with virtual operands.
1322 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1323 test for abnormal SSA_NAMEs.
1325 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1328 * reload.c (push_reload): Add assertions. All constants from
1329 reg_equiv_constant should have been used for replacing the respective
1331 (find_reloads_address): Invoke find_reloads_address_part for
1332 constant taken from the reg_equiv_constant array.
1334 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1336 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1337 field (valnum) the first in the struct. Replace bools with
1340 2008-01-10 Richard Guenther <rguenther@suse.de>
1342 PR tree-optimization/34651
1343 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1344 types and ordering for masking and converting.
1346 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1348 PR tree-optimization/34017
1349 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1350 also for PHI_NODE expressions.
1352 2008-01-09 Jan Hubicka <jh@suse.cz>
1354 PR tree-optimization/34708
1355 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1356 based on number of case labels.
1357 (init_inline_once): Remove switch_cost.
1358 * tree-inline.h (eni_weights_d): Remove switch_cost.
1360 2008-01-09 Richard Guenther <rguenther@suse.de>
1361 Andrew Pinski <andrew_pinski@playstation.sony.com>
1364 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1365 temporary if an rvalue is ok or an lvalue is not required.
1367 2008-01-09 Richard Guenther <rguenther@suse.de>
1370 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1373 2008-01-09 Richard Guenther <rguenther@suse.de>
1376 * tree.c (host_integerp): Check for sizetype only if the
1377 type is an integer type.
1379 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1382 * opts.c (decode_options): Disable inlining of functions called
1383 once if not in unit-at-a-time mode.
1385 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1387 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1389 2008-01-08 Richard Guenther <rguenther@suse.de>
1392 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1393 out early if the result will be unused.
1395 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1400 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1401 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1404 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1406 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1407 for vectorization tuned.
1409 2008-01-08 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/34683
1412 * tree-ssa-operands.c (operand_build_cmp): Export.
1413 * tree-ssa-operands.h (operand_build_cmp): Declare.
1414 * tree-vn.c (vuses_compare): Remove.
1415 (sort_vuses): Use operand_build_cmp.
1416 (sort_vuses_heap): Likewise.
1417 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1418 to re-use old VEC if available. Do not sort already sorted VUSEs.
1419 (vdefs_to_vec): Do not sort already sorted VDEFs.
1421 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1424 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1426 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1429 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1430 limitations of reciprocal sequences on x86 targets.
1432 2008-01-08 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/34683
1435 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1437 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1440 * config/darwin.c (darwin_mergeable_string_section): Don't use
1441 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1443 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1446 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1447 negxf2. Macroize expander using X87MODEF mode iterator. Change
1448 predicates of op0 and op1 to register_operand.
1449 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1450 expander using X87MODEF mode iterator. Change predicates of
1451 op0 and op1 to register_operand.
1452 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1453 corresponding patterns and macroize using MODEF macro. Change
1454 predicates of op0 and op1 to register_operand and remove
1455 "m" constraint. Disparage "r" alternative with "!".
1456 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1457 macroize using X87MODEF macro. Change predicates of op0 and op1
1458 to register_operand and remove "m" constraint. Disparage "r"
1459 alternative with "!".
1460 (absneg splitter with memory operands): Remove.
1461 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1462 patterns and macroize using X87MODEF mode iterator.
1463 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1464 Change predicate of op1 to register_operand.
1465 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1466 for memory operands.
1468 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1470 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1472 2008-01-07 Richard Guenther <rguenther@suse.de>
1474 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1477 2008-01-07 Richard Guenther <rguenther@suse.de>
1479 PR tree-optimization/34683
1480 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1481 VOPs of the needed size to save memory. Use VEC_quick_push
1482 to save compile-time.
1483 (vdefs_to_vec): Likewise.
1485 2008-01-07 Sa Liu <saliu@de.ibm.com>
1487 * config/spu/spu.md (divdf3): Genetate inline code for double
1488 division. The implementation doesn't handle INF or NAN, therefore it
1489 only applies when -ffinite-math-only is given.
1491 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1494 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1495 * doc/cpp.texi ([Common Predefined Macros]): Document.
1497 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1499 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1500 order to use commutative addition instead of subtraction.
1502 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1503 Mircea Namolaru <namolaru@il.ibm.com>
1504 Vladimir Yanovsky <yanov@il.ibm.com>
1505 Revital Eres <eres@il.ibm.com>
1507 PR tree-optimization/34263
1508 * tree-outof-ssa.c (process_single_block_loop_latch,
1509 contains_tree_r): New functions.
1510 (analyze_edges_for_bb): Call process_single_block_loop_latch
1511 function to empty single-basic-block latch block if possible.
1513 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1515 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1517 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1519 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1521 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1523 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1525 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1527 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1529 PR tree-optimization/34618
1530 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1533 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1536 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1537 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1538 Update copyright year.
1540 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1541 Update copyright year.
1542 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1545 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1547 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1548 edge does not point to current bb before changing need_assert.
1550 2008-01-04 Richard Guenther <rguenther@suse.de>
1553 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1554 for verifying purposes if they are is_gimple_min_invariant.
1556 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1558 PR tree-optimization/34448
1559 PR tree-optimization/34465
1560 * gimplify.c (gimplify_init_constructor): Add new parameter
1561 notify_temp_creation. Use it.
1562 (gimplify_modify_expr_rhs): Take volatiles into account when
1563 optimizing constructors.
1564 Do not optimize constructors if gimplify_init_constructor will dump to
1566 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1567 * gcc.c-torture/compile/pr34448.c: New.
1569 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1571 PR gcov-profile/34609
1572 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1573 return_slot if result is TREE_ADDRESSABLE.
1575 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1577 * config/mips/mips.md (sqrt_condition): Tweak comment.
1578 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1580 2008-01-03 Tom Tromey <tromey@redhat.com>
1583 * c-common.c (c_type_hash): Handle VLAs.
1585 2008-01-03 Jan Hubicka <jh@suse.cz>
1587 PR tree-optimization/31081
1588 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1589 0 when inlining and not inlining to first basic block.
1590 (remap_decl): When var is initialized to 0, don't set default_def.
1591 (expand_call_inline): Set entry_bb.
1592 * tree-inline.h (copy_body_data): Add entry_bb.
1594 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1597 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1600 PR tree-optimization/29484
1601 * tree-inline.c (inline_forbidden_p_2): New function.
1602 (inline_forbidden_p): Disallow inlining if some static var
1603 has an address of a local LABEL_DECL in its initializer.
1604 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1607 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1609 PR tree-optimization/34635
1610 * tree-data-ref.c (add_other_self_distances): Make sure that the
1611 evolution step is constant.
1613 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1616 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1618 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1620 * tree-sra.c (scalarize_init): Insert the generate_element_init
1621 statements after the generate_element_zero statements.
1623 2008-01-02 Richard Guenther <rguenther@suse.de>
1627 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1628 for very large number of operands instead of ICEing.
1630 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1633 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1634 while stack probing.
1636 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1638 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1641 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1644 * tree-mudflap.c (mx_register_decls): Guard warning by
1645 !DECL_ARTIFICIAL check.
1647 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1649 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1650 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1651 sse5_perm<mode>): Fix constraints.