1 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3 * doc/extend.texi (Function Attributes) <noinline>: Mention
4 asm ("") as method to keep calls.
6 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9 * doc/options.texi (Options): Replace references to opts.sh with
11 * opts-common.c: Likewise.
12 * optc-gen.awk: Likewise.
14 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
16 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
18 2008-02-07 Richard Henderson <rth@redhat.com>
21 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
22 EXPR_LIST for the REG_EQUAL instead of a comparison with a
25 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
27 PR tree-optimization/35085
28 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
29 for operand entry oe2 in addition to operand entry oe3 in order to
30 expose more opportunities for vectorizer sum reduction.
32 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * Makefile.in (LIBS): Remove $(GMPLIBS).
36 (cc1-dummy, cc1): Add $(GMPLIBS).
38 2008-02-06 Jan Hubicka <jh@suse.cz>
41 * i386.md (moddf_integer): Do not produce partial memory stalls for
42 targets where it hurts.
44 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
47 * optabs.c (expand_float): Do not check for decimal modes when
48 expanding unsigned integer through signed conversion.
50 2008-02-06 Nick Clifton <nickc@redhat.com>
52 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
53 inside the clobber with a match_operand and duplicated operand
54 number in the constraint.
55 (ineqbranchsi): Delete redundant comment.
57 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
59 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
60 builtin_define ("__USE_INIT_FINI__").
61 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
63 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
65 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
67 PR documentation/30330
68 * doc/invoke.texi (C++ Dialect Options)
69 (Objective-C and Objective-C++ Dialect Options, Warning Options):
70 For each warning option -Wfoo that allows -Wno-foo, ensure both
71 -Wfoo and -Wno-foo are listed in the option index. Fix index
72 entry of -Wswitch-default, index -Wnormalized= including the
73 `=', and -Wlarger-than-@var{len} including @var{len}.
75 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
77 * config/i386/i386.md (floatunssisf2): Use
78 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
79 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
80 Macroize expander using MODEF mode iterator.
82 2008-02-05 Diego Novillo <dnovillo@google.com>
84 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
87 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
89 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
94 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
97 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
98 to indicate if a message should be generated.
99 (init_cumulative_args): Updated.
100 (function_value_32): Likewise.
102 2008-02-05 Joseph Myers <joseph@codesourcery.com>
104 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
106 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
109 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
110 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
112 2008-02-04 Diego Novillo <dnovillo@google.com>
114 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
117 * tree-vrp.c (vrp_evaluate_conditional): With
118 -Wtype-limits, emit a warning when comparing against a
119 constant outside the natural range of OP0's type.
121 2008-02-04 Richard Guenther <rguenther@suse.de>
124 * expr.c (count_type_elements): Give for unions instead of
127 2008-02-04 Richard Guenther <rguenther@suse.de>
130 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
131 to TYPE_DOMAINs base type instead of using bitsizetype here.
133 2008-02-03 Jason Merrill <jason@redhat.com>
135 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
137 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
140 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
141 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
142 (RS/6000 and PowerPC Options): Fix typos and markup.
143 * doc/passes.texi (Tree-SSA passes): Likewise.
145 2008-02-02 Michael Matz <matz@suse.de>
148 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
149 from record_last_reg_set_info.
150 (record_last_reg_set_info): Take an RTX argument, iterate over all
151 constituent hardregs.
152 (record_last_set_info, record_opr_changes): Change calls to
153 new signature or to record_last_reg_set_info_regno.
155 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
157 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
159 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
161 PR rtl-optimization/34773
162 * reg-notes.def (EQUAL): Mention significance of combination of
163 REG_EQUAL and REG_RETVAL.
164 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
165 insn that has a REG_RETVAL.
167 2008-02-01 Roger Sayle <roger@eyesopen.com>
170 * configure.ac (--enable-fixed-point): Disable unless explicitly
172 * configure: Regenerate.
174 2008-02-01 Richard Guenther <rguenther@suse.de>
177 * invoke.texi (-finline-limit): Remove no longer true parts
178 of the documentation. Note that there is no default value.
180 2008-02-01 Andrew Pinski <pinskia@gmail.com>
181 Mark Mitchell <mark@codesourcery.com>
182 Ben Elliston <bje@au.ibm.com>
185 * doc/extend.texi (Other Builtins): Document.
187 2008-01-31 Tom Browder <tom.browder@gmail.com>
189 * doc/c-tree.texi (Types): Fix grammar.
190 (Expression trees): Ditto.
191 * doc/passes.texi (Tree-SSA passes): Ditto.
193 * doc/configterms.texi (Configure Terms): Fix typo.
194 * doc/cpp.texi (Common Predefined Macros): Ditto.
195 * doc/md.texi (Machine Constraints): Ditto.
197 * doc/makefile.texi (Makefile): Add comma.
199 2008-01-31 Tom Browder <tom.browder@gmail.com>
200 Gerald Pfeifer <gerald@pfeifer.com>
202 * doc/sourcebuild.texi (Front End): Remove references to CVS
204 (Texinfo Manuals): Replace reference to CVS by one to SVN.
205 (Back End): Remove reference to CVS.
207 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
210 * config/mips/mips.c (gen_load_const_gp): New function, taking a
212 (mips16_gp_pseudo_reg): ...here.
213 * config/mips/mips.md (load_const_gp): Replace with...
214 (load_const_gp_<mode>): ...this :P-based insn.
216 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
218 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
219 options. Minor fixes.
220 (-std): Move reference to standards closer to where language
221 standards are first mentioned.
223 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
225 PR rtl-optimization/34995
226 * reload.c (alternative_allows_const_pool_ref): Take an rtx
227 parameter and return a bool. If the rtx parameter is nonnull,
228 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
229 (find_reloads): Update call accordingly. Pass the new operand
230 if it needed no address reloads, otherwise pass null.
232 2008-01-30 Richard Henderson <rth@redhat.com>
235 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
236 for unbounded arrays.
238 2008-01-30 Silvius Rus <rus@google.com>
240 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
242 2008-01-30 Jan Hubicka <jh@suse.cz>
245 * i386.c (init_cumulative_args): Use real function declaration when
248 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
250 PR rtl-optimization/34998
251 * global.c (build_insn_chain): Treat non-subreg_lowpart
252 SUBREGs of pseudos as clobbering all the words covered by the
253 SUBREG, not just all the bytes.
254 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
255 original df_ref rather than an extract parameter.
256 (global_conflicts): Update call accordingly.
258 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
260 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
261 the overflow check to make it easier to read.
262 (__fixtfdi): Change the type of the ll member in union
263 long_double to UDItype_x.
265 2008-01-30 Jakub Jelinek <jakub@redhat.com>
268 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
269 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
270 * tree-inline.c (fold_marked_statements): Call
271 cgraph_update_edges_for_call_stmt if folding a call statement.
272 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
273 debug_generic_stmt calls, reset it back afterwards.
276 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
278 * c-typeck.c (build_external_ref): Don't pedwarn about
279 static vars in current function's scope.
281 2008-01-29 Joseph Myers <joseph@codesourcery.com>
283 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
285 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
288 * ipa-struct-reorg.c: Fix spelling.
291 2008-01-29 Richard Guenther <rguenther@suse.de>
294 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
296 * tree-inline.c (remap_type): Increment remapping_type_depth
297 around remapping types.
298 (copy_body_r): Only add referenced variables if they are referenced
299 from code, not types.
301 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
312 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
313 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
315 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
318 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
319 pointer for tiny stack.
321 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
323 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
325 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
327 * config/vx-common.h: Fix typo in comment.
329 2008-01-28 Ian Lance Taylor <iant@google.com>
333 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
334 coalesce pointers if they have different DECL_NO_TBAA_P values.
335 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
336 between variables with different DECL_NO_TBAA_P values.
338 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
341 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
342 are not legitimate small data references on SPE targets.
344 2008-01-28 David Daney <ddaney@avtrex.com>
346 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
348 2008-01-28 David Daney <ddaney@avtrex.com>
350 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
352 2008-01-27 Joseph Myers <joseph@codesourcery.com>
354 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
355 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
356 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
357 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
358 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
359 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
360 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
361 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
363 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
365 * basic-block.h (condjump_equiv_p): Fix comment.
367 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
369 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
370 print_generic_stmt_indented): Fix comment.
372 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
374 * configure.ac (__stack_chk_fail): Add detecion for availability
375 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
376 * configure: Regenerate.
378 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
381 * final.c (output_addr_const): Handle TRUNCATE.
383 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
386 * tree-ssa-loop-ivopts.c (comp_cost): New type.
387 (zero_cost, infinite_cost): New constants.
388 (struct cost_pair): Change type of cost to comp_cost.
389 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
390 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
392 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
393 split_address_cost, ptr_difference_cost, difference_cost,
394 get_computation_cost_at, get_computation_cost,
395 determine_use_iv_cost_generic, determine_use_iv_cost_address,
396 determine_use_iv_cost_condition, determine_use_iv_costs,
397 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
398 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
399 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
400 Change type of cost to comp_cost.
401 (determine_iv_cost): Increase cost of non-original ivs, instead
402 of decreasing the cost of original ones.
403 (get_address_cost): Indicate the complexity of the addressing mode
405 (try_add_cand_for): Prefer using ivs not specific to some object.
406 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
408 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
409 Janis Johnson <janis187@us.ibm.com>
412 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
413 (TARGET_INSTANTIATE_DECLS): Likewise.
414 * target.h (expand_to_rtl_hook): New target hook.
415 (instantiate_decls): Likewise.
416 * function.c (instantiate_decl): Make non-static. Rename to...
417 (instantiate_decl_rtl): ... this.
418 (instantiate_expr): Use instantiate_decl_rtl.
419 (instantiate_decls_1): Likewise.
420 (instantiate_decls): Likewise.
421 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
422 * function.h (instantiate_decl_rtl): Add prototype.
423 * cfgexpand.c (target.h): New include.
424 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
425 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
426 (TARGET_INSTANTIATE_DECLS): Likewise.
427 (TARGET_INITIALIZER): New target hooks added.
428 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
430 * config/rs6000/rs6000.c (tree-flow.h): New include.
431 (machine_function): Add sdmode_stack_slot field.
432 (rs6000_alloc_sdmode_stack_slot): New function.
433 (rs6000_instantiate_decls): Likewise.
434 (rs6000_secondary_memory_needed_rtx): Likewise.
435 (rs6000_check_sdmode): Likewise.
436 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
437 (TARGET_INSTANTIATE_DECLS): Likewise.
438 (rs6000_hard_regno_mode_ok): Allow SDmode.
439 (num_insns_constant): Likewise. Handle _Decimal32 constants.
440 (rs6000_emit_move): Handle SDmode.
441 (function_arg_advance): Likewise.
442 (function_arg): Likewise.
443 (rs6000_gimplify_va_arg): Likewise. Add special handling of
444 SDmode var args for 32-bit compiles.
445 (rs6000_secondary_reload_class): Handle SDmode.
446 (rs6000_output_function_epilogue): Likewise.
447 (rs6000_function_value): Simplify if statement.
448 (rs6000_libcall_value): Likewise.
449 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
450 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
451 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
452 (movsd_hardfloat): New define_insn.
453 (movsd_softfloat): Likewise.
454 (movsd_store): Likewise.
455 (movsd_load): Likewise.
456 (extendsddd2): Likewise.
457 (extendsdtd2): Likewise.
458 (truncddsd2): Likewise.
459 (movdd_hardfloat64): Fixup comment.
460 (UNSPEC_MOVSD_LOAD): New constant.
461 (UNSPEC_MOVSD_STORE): Likewise.
463 2008-01-26 Jakub Jelinek <jakub@redhat.com>
466 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
468 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
469 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
470 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
473 2008-01-26 David Edelsohn <edelsohn@gnu.org>
476 * config.gcc: Separate AIX 5.3 from AIX 6.1.
477 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
479 * config/rs6000/aix61.h: New file.
481 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
483 PR rtl-optimization/34959
484 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
485 popcount and parity rtxes the same mode as their operand.
486 Truncate or extend the result to the return value's mode
489 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
492 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
493 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
494 to GOT_VERSION_REGNUM.
495 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
496 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
497 * config/mips/mips.c (mips_emit_call_insn): New function.
498 (mips_call_tls_get_addr): Call mips_expand_call directly.
499 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
501 (mips16_build_call_stub): Likewise. Return the call insn or null.
502 (mips_expand_call): Update the call to mips16_build_call_stub
503 accordingly and a remove redundant condition. Assert that MIPS16
504 stubs do not use lazy binding. Use mips_emit_call_insn and return
506 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
508 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
509 (mips_avoid_hazard): Remove hazard_set handling.
510 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
511 (UNSPEC_RESTORE_GP): ...this.
512 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
513 (FAKE_CALL_REGNO): Rename to...
514 (GOT_VERSION_REGNUM): ...this.
515 (type): Add "ghost" value. Add an associated insn reservation.
516 (hazard_set): Remove.
517 (exception_receiver): Rename to...
518 (restore_gp): ...this and update the unspec identifier accordingly.
519 (exception_receiver, nonlocal_got_receiver): New expanders.
520 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
521 FAKE_CALL_REGNO. Remove hazard_set attribute.
522 (set_got_version, update_got_version): New patterns.
524 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
527 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
529 2008-01-25 Joseph Myers <joseph@codesourcery.com>
532 * doc/install.texi2html: Generate gcc-vers.texi.
534 2008-01-25 DJ Delorie <dj@redhat.com>
536 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
538 2008-01-25 Joseph Myers <joseph@codesourcery.com>
540 * config/c4x: Remove directory.
541 * config.gcc (crx-*, mt-*): Mark obsolete.
542 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
543 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
544 sh-*-rtemscoff*): Remove cases.
545 * defaults.h (C4X_FLOAT_FORMAT): Remove.
546 * real.c (encode_c4x_single, decode_c4x_single,
547 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
548 c4x_extended_format): Remove.
549 * real.h (c4x_single_format, c4x_extended_format): Remove.
550 * doc/extend.texi (interrupt, naked): Remove mention of attributes
552 (Pragmas): Remove comment about c4x pragmas.
553 * doc/install.texi (c4x): Remove target-specific instructions.
554 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
555 * doc/md.texi (Machine Constraints): Remove C4x documentation.
556 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
557 refer to C4x source files as examples.
558 (C4X_FLOAT_FORMAT): Remove documentation.
560 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
562 * config/bfin/bfin.c (override_options): Reorder tests so that
563 flag_pic gets enabled for -msep-data.
565 2008-01-25 Richard Guenther <rguenther@suse.de>
568 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
569 to its bitfield precision if required.
571 2008-01-25 Jakub Jelinek <jakub@redhat.com>
574 * tree-nested.c (walk_omp_for): New function.
575 (convert_nonlocal_reference, convert_local_reference): Call
576 walk_omp_for on OMP_FOR.
577 (convert_call_expr): Call walk_body on OMP_FOR's
578 OMP_FOR_PRE_INIT_BODY.
580 2008-01-25 Richard Guenther <rguenther@suse.de>
582 PR tree-optimization/34966
583 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
584 default defs and PHI_NODEs we have to insert after the
587 2008-01-24 Nick Clifton <nickc@redhat.com>
589 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
590 Provide a default definition.
591 (LIBGCC2_UNITS_PER_WORD): Likewise.
593 * config/stormy16/stormy16.c: Include df.h for the prototype
594 for df_regs_ever_live_p.
595 (xstormy16_expand_builtin_va_start): Convert the stack offset
596 into a component_ref and then use POINTER_PLUS_EXPR to add it
597 to the incoming_virtual_args_rtx.
598 (xstormy16_gimplify_va_arg_expr): Rename to
599 xstormy16_gimplify_va_arg_expr.
600 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
601 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
602 xstormy16_gimplify_va_arg_expr.
603 Fix up some formatting issues.
605 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
606 Move to predicates.md.
607 (xs_hi_general_operand): Likewise.
608 (xs_hi_nonmemory_operand): Likewise.
609 * config/stormy16/predicates.md:
610 (xstormy16_carry_plus_operand): New predicate.
611 (xs_hi_general_operand): New predicate.
612 (xs_hi_nonmemory_operand): New predicate.
613 * config/stormy16/stormy16-protos.h:
614 (xstormy16_carry_plus_operand): Delete prototype.
615 (xs_hi_general_operand): Likewise.
616 (xs_hi_nonmemory_operand): Likewise.
618 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
619 modifiers as they are no longer needed and they can trigger
620 reload spill failures.
622 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
623 with a match_operand in order to help reload.
625 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
626 constraint with 'e' for the 8th alternative as this version of
627 the mov.w instruction only accepts the lower 8 registers.
629 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
632 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
633 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
636 2008-01-25 Jakub Jelinek <jakub@redhat.com>
639 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
641 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
643 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
645 (remove_structure): Update allocations list before removing structure.
647 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
649 * ipa-struct-reorg.c (is_safe_cond_expr,
650 create_new_stmts_for_cond_expr): Use integer_zerop function,
651 that recognize not only zero-pointer, but zero-integer too.
653 2008-01-25 Ben Elliston <bje@au.ibm.com>
656 * fixproto: Escape "." in sed expression that strips leading "./".
658 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
661 * gcc.c (SWITCH_OK): Removed.
662 (SWITCH_LIVE): Changed to bit.
663 (SWITCH_FALSE): Likewise.
664 (SWITCH_IGNORE): Likewise.
665 (switchstr): Change live_cond to unsigned int.
666 (process_command): Replace SWITCH_OK with 0.
667 (do_self_spec): Likewise.
668 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
669 (give_switch): Likewise.
670 (used_arg): Likewise.
671 (do_spec_1): Set the SWITCH_IGNORE bit.
672 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
673 bits. Set the SWITCH_LIVE bit.
675 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
677 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
679 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
681 PR tree-optimization/34472
682 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
683 parameter to a "bool *" and set *DATA to false if there is
684 an unsafe access. Do not delete the structure here.
685 (check_cond_exprs): Delete it here instead.
686 (check_cond_exprs, exclude_cold_structs): Do not increase
687 I when removing a structure.
689 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
692 * config/i386/i386.c (ix86_expand_vector_init): Consider only
693 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
695 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
698 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
699 a fixed vector for stack.
701 2008-01-24 Ben Elliston <bje@au.ibm.com>
704 * doc/gcc.texi (Software development): Add a direntry for g++.
706 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
708 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
709 stale and straggling -fforce-addr comments above.
711 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
713 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
714 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
716 2008-01-23 Michael Matz <matz@suse.de>
719 * dwarf2out.c (force_type_die): Use modified_type_die instead of
722 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
724 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
727 2008-01-23 Anatoly Sokolov <aesok@post.ru>
729 * config/avr/avr.c (avr_current_arch): New variable.
730 (avr_arch_types): Add 'avr31' and 'avr51' entries.
731 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
732 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
733 (avr_override_options): Init 'avr_current_arch'.
734 (base_arch_s): Move from here...
735 * config/avr/avr.h (base_arch_s): ... here. Add new members
736 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
737 'mega' to 'have_jmp_call'.
738 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
739 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
741 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
743 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
744 MULTILIB_MATCHES): (Ditto.).
746 2008-01-23 Richard Guenther <rguenther@suse.de>
749 * cgraphunit.c (cgraph_reset_node): Always mark the node
750 not reachable if it is not queued already.
752 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
754 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
755 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
756 (cputype_selected): New static variable.
757 (bfin_handle_option): Set it if -mcpu is used.
758 (override_option): Select default set of workarounds if no cpu type
759 selected on the command line.
760 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
762 From Michael Frysinger <michael.frysinger@analog.com>
763 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
764 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
766 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
767 for bf547, bf523, bf524, and bf526.
768 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
770 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
771 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
772 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
773 __ADSPBF547__ and __ADSPBF54x__ for bf547.
774 * doc/invoke.texi (Blackfin Options): Document that
775 -mcpu now accept bf547, bf523, bf524, and bf526.
777 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
779 PR rtl-optimization/34628
780 * combine.c (try_combine): Stop and undo after the first combination
781 if an autoincrement side-effect on the first insn has effectively
784 2008-01-22 David Edelsohn <edelsohn@gnu.org>
787 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
788 Offset addresses are not valid for Altivec or paired float modes.
790 2008-01-22 Jakub Jelinek <jakub@redhat.com>
793 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
794 if DECL_INITIAL (decl) is error_mark_node.
797 * c-common.c (handle_vector_size_attribute): Only allow
798 integral, scalar float and fixed point types. Handle OFFSET_TYPE
799 the same way as pointer, array etc. types.
800 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
803 * tree.c (build_type_attribute_qual_variant): Call
804 build_qualified_type if attributes are equal, but quals are not.
806 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
809 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
810 * flags.h (warn_strict_aliasing): Remove.
811 (warn_strict_overflow): Remove.
812 * opts.c (warn_strict_aliasing): Remove.
813 (warn_strict_overflow): Remove.
814 * c-opts.c (c_common_handle_option): -Wall only sets
815 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
816 (c_common_post_options): Give default values to -Wstrict-aliasing
817 and -Wstrict-overflow if they are uninitialized.
818 * common.opt (Wstrict-aliasing): Specify Var and Init.
819 (Wstrict-overflow): Likewise.
821 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
823 PR rtl-optimization/26854
824 PR rtl-optimization/34400
825 PR rtl-optimization/34884
826 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
828 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
829 (df_rd_bb_info.expanded_lr_out): Deleted
830 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
831 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
832 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
833 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
834 Removed code to allocate, initialize or free expanded_lr_out.
835 (df_rd_bb_local_compute_process_def): Restructured to make more
837 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
838 sets if the sets are being trimmed.
840 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
843 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
845 * configure: Regenerated.
847 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
850 * tree-pass.h (pass_build_alias): New pass.
851 * tree-ssa-alias.c (gate_build_alias): New.
852 (pass_build_alias): New.
853 * passes.c (init_optimization_passes): Add pass_build_alias after
854 pass_create_structure_vars.
856 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
858 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
859 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
860 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
861 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
862 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
863 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
864 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
865 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
866 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
867 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
868 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
869 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
870 * config/s390/s390.md (FP_ALL): New mode iterator.
871 (_d): New mode attribute.
872 ("*signbit<mode>2>"): Changed mode of first operand.
873 ("isinf<mode>2"): Changed mode of first operand.
874 ("*TDC_insn"): Adaptation for DFP modes.
876 2008-01-22 Ben Elliston <bje@au.ibm.com>
878 * tree.c (check_qualified_type): Improve function description.
880 2008-01-21 Jason Merrill <jason@redhat.com>
883 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
884 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
887 2008-01-21 DJ Delorie <dj@redhat.com>
889 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
892 2008-01-21 Richard Guenther <rguenther@suse.de>
895 * tree-cfg.c (verify_expr): Allow all invariant expressions
896 instead of just constant class ones as reference argument.
897 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
898 like any other constant.
899 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
901 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
903 * regmove.c (fixup_match_1): Update call crossed frequencies.
905 2008-01-21 Richard Guenther <rguenther@suse.de>
908 * tree-inline.c (setup_one_parameter): Deal with mismatched
909 types using a VIEW_CONVERT_EXPR.
911 2008-01-21 Alon Dayan <alond@il.ibm.com>
912 Olga Golovanevsky <olga@il.ibm.com>
914 PR tree-optimization/34701
915 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
916 when the structure size is not a power of 2.
918 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
920 * doc/install.texi: Add doc for --enable-checking=df.
922 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
924 PR rtl-optimization/34808
925 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
927 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
929 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
932 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
934 PR rtl-optimization/26854
935 PR rtl-optimization/34400
936 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
938 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
939 (df_rd_bb_info.expanded_lr_out): New.
940 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
941 * loop_iv.c (iv_analysis_loop_init): Ditto.
942 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
943 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
944 Added code to allocate, initialize or free expanded_lr_out.
945 (df_rd_bb_local_compute_process_def): Restructured to make
947 (df_rd_confluence_n): Add code to do nothing with fake edges and
948 code to no apply invalidate_by_call sets if the sets are being trimmed.
949 (df_lr_local_finalize): Renamed to df_lr_finalize.
950 (df_live_local_finalize): Renamed to df_live_finalize.
952 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
955 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
956 deciding whether to use reciprocal instructions.
958 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
960 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
961 dwarf2out_note_section_used if cold_text_section is NULL.
963 2008-01-19 Jakub Jelinek <jakub@redhat.com>
965 PR gcov-profile/34610
966 * tree-cfg.c (make_edges): Mark both outgoing edges from
967 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
968 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
969 from OMP_FOR and OMP_CONTINUE outgoing edges.
971 * tree-profile.c (tree_profiling): Return early if
972 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
974 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
975 from cfun to child_cfun.
976 * function.h (struct function): Add after_tree_profile bit.
978 2008-01-19 Anatoly Sokolov <aesok@post.ru>
980 * config/avr/avr.S (_exit): Disable interrupt.
982 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
983 Steven Bosscher <stevenb.gcc@gmail.com>
985 PR rtl-optimization/26854
986 PR rtl-optimization/34400
987 * df-problems.c (df_live_scratch): New scratch bitmap.
988 (df_live_alloc): Allocate df_live_scratch when doing df_live.
989 (df_live_reset): Clear the proper bitmaps.
990 (df_live_bb_local_compute): Only process the artificial defs once
991 since the order is not important.
992 (df_live_init): Init the df_live sets only with the variables
994 (df_live_transfer_function): Use the df_lr sets to prune the
995 df_live sets as they are being computed.
996 (df_live_free): Free df_live_scratch.
998 2008-01-18 Ian Lance Taylor <iant@google.com>
1000 * common.opt: Add fmerge-debug-strings.
1001 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1002 flag_merge_debug_strings rather than flag_merge_constants.
1003 * doc/invoke.texi (Option Summary): Mention
1004 -fmerge-debug-strings.
1005 (Debugging Options): Document -fmerge-debug-strings.
1007 2008-01-18 Ian Lance Taylor <iant@google.com>
1010 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1011 (struct tree_function_decl): Add new field operator_new_flag.
1012 * tree-inline.c (expand_call_inline): When inlining a call to
1013 operator new, force the return value to go into a variable, and
1014 set DECL_NO_TBAA_P on that variable.
1015 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1017 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1020 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1021 DWARF2_DEBUGGING_INFO.
1022 (dwarf2out_note_section_used): Ditto. Add prototype.
1023 (have_multiple_function_sections, text_section_used,
1024 cold_text_section_used, *cold_text_sections): Move declarations
1027 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1029 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1030 field and add signal_ra.
1031 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1032 assignments to frame state pc. Move end of stack check after
1033 MD_FALLBACK_FRAME_STATE_FOR.
1034 (uw_update_context_1): Use frame state signal_regs if set, instead
1035 of checking signal_frame flag.
1036 (uw_update_context): Use frame state signal_ra if set.
1037 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1038 * config/xtensa/linux-unwind.h: New file.
1040 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1042 * modulo-sched.c (get_sched_window): Fix comment typo.
1044 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1046 PR tree-optimization/34648
1047 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1049 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1051 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1052 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1054 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1056 PR rtl-optimization/34400
1057 * df-core.c (df_worklist_dataflow_overeager,
1058 df_worklist_dataflow_doublequeue): New functions.
1059 (df_worklist_dataflow): Two different worklist solvers.
1060 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1063 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1066 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1067 and ftree-parallelize-loops.
1069 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1071 PR rtl-optimization/34826
1072 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1074 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1076 * global.c (find_reg): Mark the eh regs as used if necessary.
1077 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1078 * ra.h (struct allocno): no_eh_reg field added. Changed
1079 no_stack_reg type to bitfield.
1081 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1083 * tree.c (substitute_in_expr): Add missing 'break'.
1085 2008-01-17 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/34825
1088 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1089 x / x as division to handle.
1091 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1093 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1094 "-pthread" is specified.
1095 * pa-hpux11.h (LIB_SPEC): Likewise.
1097 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1098 Peter Bergner <bergner@vnet.ibm.com>
1100 PR rtl-optimization/33796
1101 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1103 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1105 PR libgfortran/34699
1106 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1108 * pa-hpux10.h (LINK_SPEC): Likewise.
1109 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1111 2008-01-16 Richard Guenther <rguenther@suse.de>
1114 * fold-const.c (fold_convert_const_int_from_int): Do not
1115 set overflow if that occured only because of a sign extension
1116 change when converting from/to a sizetype with the same
1117 precision and signedness.
1119 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1122 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1123 location address to the correct place. Update copyright year.
1125 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1127 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1128 no dependences in the dependence_relations vector.
1130 2008-01-16 Jan Hubicka <jh@suse.cz>
1132 PR rtl-optimization/31396
1133 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1134 * cfg.c (dump_reg_info): Print it.
1135 * regs.h (struct reg_info_t): add freq_calls_crossed.
1136 (REG_FREQ_CALLS_CROSSED): New macro.
1137 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1138 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1139 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1140 regmove_optimize): Update call crossed frequencies.
1141 * local-alloc.c (struct qty): Add freq_calls_crossed.
1142 (alloc_qty): Copute freq_calls_crossed.
1143 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1144 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1145 * ra.h (struct allocno): Add freq_calls_crossed.
1147 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1149 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1150 libgomp when compiling with ftree-parallelize-loops.
1151 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1153 2008-01-16 Richard Guenther <rguenther@suse.de>
1155 PR tree-optimization/34769
1156 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1157 * tree.c (int_cst_value): Instead make this function more
1158 permissive in what it accepts as valid input. Document this
1159 function always sign-extends the value.
1161 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1162 Richard Guenther <rguenther@suse.de>
1165 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1166 (gimple_fold_indirect_ref_rhs): ... this.
1167 (gimple_fold_indirect_ref): New function with foldings
1168 that preserve lvalueness.
1169 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1170 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1171 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1172 to fold an INDIRECT_REF, fall back to the old use of
1173 fold_indirect_ref_1.
1175 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1177 * tree-data-ref.c (subscript_dependence_tester_1): Call
1178 free_conflict_function.
1179 (compute_self_dependence): Same.
1181 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1184 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1185 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1187 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1188 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1189 for DWARF2_UNWIND_INFO targets.
1191 2008-01-16 Richard Guenther <rguenther@suse.de>
1194 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1195 type qualifiers for function types.
1197 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1199 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1200 loop_iterator li from previous commit.
1202 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1204 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1206 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1208 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1209 (parallelize_loops): Don't parallelize irreducible components.
1211 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1214 * c-opts (c_common_post_options): Do not enable CPP
1215 flag_pedantic_errors by default.
1217 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1219 PR rtl-optimization/31944
1220 * cse.c (remove_pseudo_from_table): New function.
1221 (merge_equiv_classes): Use above function to remove pseudo-registers.
1222 (invalidate): Likewise.
1224 2008-01-13 Richard Guenther <rguenther@suse.de>
1227 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1228 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1230 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1232 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1233 validate_change to unshare the source of the PC set.
1235 2008-01-12 Jan Hubicka <jh@suse.cz>
1238 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1239 references above array bounds. This might trigger bounds checks for
1242 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1244 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1245 new_replaceable_dependencies.
1247 2008-01-12 Doug Kwan <dougkwan@google.com>
1249 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1250 instead of OPT_Wreturn_type in warning due to ignored return type
1252 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1253 options included in -Wextra.
1254 * c.opt: New option -Wignored_qualifiers.
1255 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1256 -Wignore_qualifiers.
1257 (-Wignored-qualifiers): Document.
1258 (-Wreturn-type): Remove description of functionality now handled
1259 by -Wignored-qualifiers.
1261 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1264 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1265 NOP_EXPR if it is between integral types with the same precision.
1267 2008-01-12 Jan Hubicka <jh@suse.cz>
1270 * invoke.texi (max-inline-recursive-depth): Fix default value.
1272 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1274 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1277 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1279 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1281 2008-01-11 James E. Wilson <wilson@specifix.com>
1284 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1286 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1288 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1289 save/restore frame pointer register and don't use 'call-prologues'
1290 optimization in function with "OS_task" attribute.
1292 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1295 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1296 when copying to memory.
1298 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1300 PR rtl-optimization/30905
1301 * cfgcleanup.c: Include dce.h
1302 (crossjumps_occured): New global variable.
1303 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1304 If something changed, set crossjumps_occured to true.
1305 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1306 Don't add/remove fake edges to exit here...
1307 (cleanup_cfg): ...but do it here, when crossjumping.
1308 Run a fast DCE when successful crossjumps occured in the latest
1309 iteration of try_optimize_cfg.
1311 2008-01-11 Richard Guenther <rguenther@suse.de>
1313 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1314 (struct vn_unary_op_s): Likewise.
1315 (vn_reference_insert): Free old reference on hash collision.
1317 2008-01-10 Raksit Ashok <raksit@google.com>
1319 PR rtl-optimization/27971
1320 * combine.c (find_split_point): Split PLUS expressions which are
1321 inside a MEM rtx, and whose first operand is complex.
1323 2008-01-10 DJ Delorie <dj@redhat.com>
1325 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1326 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1327 (m32c_hard_regno_ok): Call the underlying function.
1329 2008-01-10 Richard Guenther <rguenther@suse.de>
1332 * tree-cfg.c (tree_merge_blocks): Do not go through the
1333 full-blown folding and stmt updating path if we just deal
1334 with virtual operands.
1335 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1336 test for abnormal SSA_NAMEs.
1338 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1341 * reload.c (push_reload): Add assertions. All constants from
1342 reg_equiv_constant should have been used for replacing the respective
1344 (find_reloads_address): Invoke find_reloads_address_part for
1345 constant taken from the reg_equiv_constant array.
1347 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1349 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1350 field (valnum) the first in the struct. Replace bools with
1353 2008-01-10 Richard Guenther <rguenther@suse.de>
1355 PR tree-optimization/34651
1356 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1357 types and ordering for masking and converting.
1359 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1361 PR tree-optimization/34017
1362 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1363 also for PHI_NODE expressions.
1365 2008-01-09 Jan Hubicka <jh@suse.cz>
1367 PR tree-optimization/34708
1368 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1369 based on number of case labels.
1370 (init_inline_once): Remove switch_cost.
1371 * tree-inline.h (eni_weights_d): Remove switch_cost.
1373 2008-01-09 Richard Guenther <rguenther@suse.de>
1374 Andrew Pinski <andrew_pinski@playstation.sony.com>
1377 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1378 temporary if an rvalue is ok or an lvalue is not required.
1380 2008-01-09 Richard Guenther <rguenther@suse.de>
1383 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1386 2008-01-09 Richard Guenther <rguenther@suse.de>
1389 * tree.c (host_integerp): Check for sizetype only if the
1390 type is an integer type.
1392 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1395 * opts.c (decode_options): Disable inlining of functions called
1396 once if not in unit-at-a-time mode.
1398 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1400 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1402 2008-01-08 Richard Guenther <rguenther@suse.de>
1405 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1406 out early if the result will be unused.
1408 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1413 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1414 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1417 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1419 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1420 for vectorization tuned.
1422 2008-01-08 Richard Guenther <rguenther@suse.de>
1424 PR tree-optimization/34683
1425 * tree-ssa-operands.c (operand_build_cmp): Export.
1426 * tree-ssa-operands.h (operand_build_cmp): Declare.
1427 * tree-vn.c (vuses_compare): Remove.
1428 (sort_vuses): Use operand_build_cmp.
1429 (sort_vuses_heap): Likewise.
1430 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1431 to re-use old VEC if available. Do not sort already sorted VUSEs.
1432 (vdefs_to_vec): Do not sort already sorted VDEFs.
1434 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1437 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1439 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1442 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1443 limitations of reciprocal sequences on x86 targets.
1445 2008-01-08 Richard Guenther <rguenther@suse.de>
1447 PR tree-optimization/34683
1448 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1450 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1453 * config/darwin.c (darwin_mergeable_string_section): Don't use
1454 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1456 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1459 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1460 negxf2. Macroize expander using X87MODEF mode iterator. Change
1461 predicates of op0 and op1 to register_operand.
1462 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1463 expander using X87MODEF mode iterator. Change predicates of
1464 op0 and op1 to register_operand.
1465 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1466 corresponding patterns and macroize using MODEF macro. Change
1467 predicates of op0 and op1 to register_operand and remove
1468 "m" constraint. Disparage "r" alternative with "!".
1469 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1470 macroize using X87MODEF macro. Change predicates of op0 and op1
1471 to register_operand and remove "m" constraint. Disparage "r"
1472 alternative with "!".
1473 (absneg splitter with memory operands): Remove.
1474 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1475 patterns and macroize using X87MODEF mode iterator.
1476 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1477 Change predicate of op1 to register_operand.
1478 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1479 for memory operands.
1481 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1483 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1485 2008-01-07 Richard Guenther <rguenther@suse.de>
1487 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1490 2008-01-07 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/34683
1493 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1494 VOPs of the needed size to save memory. Use VEC_quick_push
1495 to save compile-time.
1496 (vdefs_to_vec): Likewise.
1498 2008-01-07 Sa Liu <saliu@de.ibm.com>
1500 * config/spu/spu.md (divdf3): Genetate inline code for double
1501 division. The implementation doesn't handle INF or NAN, therefore it
1502 only applies when -ffinite-math-only is given.
1504 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1507 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1508 * doc/cpp.texi ([Common Predefined Macros]): Document.
1510 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1512 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1513 order to use commutative addition instead of subtraction.
1515 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1516 Mircea Namolaru <namolaru@il.ibm.com>
1517 Vladimir Yanovsky <yanov@il.ibm.com>
1518 Revital Eres <eres@il.ibm.com>
1520 PR tree-optimization/34263
1521 * tree-outof-ssa.c (process_single_block_loop_latch,
1522 contains_tree_r): New functions.
1523 (analyze_edges_for_bb): Call process_single_block_loop_latch
1524 function to empty single-basic-block latch block if possible.
1526 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1528 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1530 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1532 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1534 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1536 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1538 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1540 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1542 PR tree-optimization/34618
1543 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1546 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1549 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1550 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1551 Update copyright year.
1553 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1554 Update copyright year.
1555 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1558 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1560 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1561 edge does not point to current bb before changing need_assert.
1563 2008-01-04 Richard Guenther <rguenther@suse.de>
1566 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1567 for verifying purposes if they are is_gimple_min_invariant.
1569 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1571 PR tree-optimization/34448
1572 PR tree-optimization/34465
1573 * gimplify.c (gimplify_init_constructor): Add new parameter
1574 notify_temp_creation. Use it.
1575 (gimplify_modify_expr_rhs): Take volatiles into account when
1576 optimizing constructors.
1577 Do not optimize constructors if gimplify_init_constructor will dump to
1579 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1580 * gcc.c-torture/compile/pr34448.c: New.
1582 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1584 PR gcov-profile/34609
1585 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1586 return_slot if result is TREE_ADDRESSABLE.
1588 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1590 * config/mips/mips.md (sqrt_condition): Tweak comment.
1591 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1593 2008-01-03 Tom Tromey <tromey@redhat.com>
1596 * c-common.c (c_type_hash): Handle VLAs.
1598 2008-01-03 Jan Hubicka <jh@suse.cz>
1600 PR tree-optimization/31081
1601 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1602 0 when inlining and not inlining to first basic block.
1603 (remap_decl): When var is initialized to 0, don't set default_def.
1604 (expand_call_inline): Set entry_bb.
1605 * tree-inline.h (copy_body_data): Add entry_bb.
1607 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1610 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1613 PR tree-optimization/29484
1614 * tree-inline.c (inline_forbidden_p_2): New function.
1615 (inline_forbidden_p): Disallow inlining if some static var
1616 has an address of a local LABEL_DECL in its initializer.
1617 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1620 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1622 PR tree-optimization/34635
1623 * tree-data-ref.c (add_other_self_distances): Make sure that the
1624 evolution step is constant.
1626 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1629 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1631 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1633 * tree-sra.c (scalarize_init): Insert the generate_element_init
1634 statements after the generate_element_zero statements.
1636 2008-01-02 Richard Guenther <rguenther@suse.de>
1640 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1641 for very large number of operands instead of ICEing.
1643 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1646 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1647 while stack probing.
1649 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1651 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1654 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1657 * tree-mudflap.c (mx_register_decls): Guard warning by
1658 !DECL_ARTIFICIAL check.
1660 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1662 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1663 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1664 sse5_perm<mode>): Fix constraints.