1 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
4 combine.c (simplify_if_then_else): Make sure the comparison is
5 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
7 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
10 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
11 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
12 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
13 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
14 * tree.h (get_type_static_bounds): Likewise.
16 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18 * doc/invoke.texi (Option Summary, C++ Dialect Options)
19 (Objective-C and Objective-C++ Dialect Options, Warning Options):
20 Make -Wfoo language annotations match what the compiler outputs.
22 2008-02-08 Sa Liu <saliu@de.ibm.com>
24 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
25 intrinsics spu_convts, spu_convtu, spu_convtf.
26 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
28 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
30 * doc/extend.texi (Function Attributes) <noinline>: Mention
31 asm ("") as method to keep calls.
33 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
36 * doc/options.texi (Options): Replace references to opts.sh with
38 * opts-common.c: Likewise.
39 * optc-gen.awk: Likewise.
41 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
43 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
45 2008-02-07 Richard Henderson <rth@redhat.com>
48 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
49 EXPR_LIST for the REG_EQUAL instead of a comparison with a
52 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
54 PR tree-optimization/35085
55 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
56 for operand entry oe2 in addition to operand entry oe3 in order to
57 expose more opportunities for vectorizer sum reduction.
59 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
62 * Makefile.in (LIBS): Remove $(GMPLIBS).
63 (cc1-dummy, cc1): Add $(GMPLIBS).
65 2008-02-06 Jan Hubicka <jh@suse.cz>
68 * i386.md (moddf_integer): Do not produce partial memory stalls for
69 targets where it hurts.
71 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
74 * optabs.c (expand_float): Do not check for decimal modes when
75 expanding unsigned integer through signed conversion.
77 2008-02-06 Nick Clifton <nickc@redhat.com>
79 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
80 inside the clobber with a match_operand and duplicated operand
81 number in the constraint.
82 (ineqbranchsi): Delete redundant comment.
84 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
86 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
87 builtin_define ("__USE_INIT_FINI__").
88 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
90 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
92 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
94 PR documentation/30330
95 * doc/invoke.texi (C++ Dialect Options)
96 (Objective-C and Objective-C++ Dialect Options, Warning Options):
97 For each warning option -Wfoo that allows -Wno-foo, ensure both
98 -Wfoo and -Wno-foo are listed in the option index. Fix index
99 entry of -Wswitch-default, index -Wnormalized= including the
100 `=', and -Wlarger-than-@var{len} including @var{len}.
102 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
104 * config/i386/i386.md (floatunssisf2): Use
105 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
106 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
107 Macroize expander using MODEF mode iterator.
109 2008-02-05 Diego Novillo <dnovillo@google.com>
111 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
114 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
116 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
119 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
121 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
124 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
125 to indicate if a message should be generated.
126 (init_cumulative_args): Updated.
127 (function_value_32): Likewise.
129 2008-02-05 Joseph Myers <joseph@codesourcery.com>
131 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
133 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
136 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
137 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
139 2008-02-04 Diego Novillo <dnovillo@google.com>
141 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
144 * tree-vrp.c (vrp_evaluate_conditional): With
145 -Wtype-limits, emit a warning when comparing against a
146 constant outside the natural range of OP0's type.
148 2008-02-04 Richard Guenther <rguenther@suse.de>
151 * expr.c (count_type_elements): Give for unions instead of
154 2008-02-04 Richard Guenther <rguenther@suse.de>
157 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
158 to TYPE_DOMAINs base type instead of using bitsizetype here.
160 2008-02-03 Jason Merrill <jason@redhat.com>
162 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
164 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
167 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
168 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
169 (RS/6000 and PowerPC Options): Fix typos and markup.
170 * doc/passes.texi (Tree-SSA passes): Likewise.
172 2008-02-02 Michael Matz <matz@suse.de>
175 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
176 from record_last_reg_set_info.
177 (record_last_reg_set_info): Take an RTX argument, iterate over all
178 constituent hardregs.
179 (record_last_set_info, record_opr_changes): Change calls to
180 new signature or to record_last_reg_set_info_regno.
182 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
184 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
186 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
188 PR rtl-optimization/34773
189 * reg-notes.def (EQUAL): Mention significance of combination of
190 REG_EQUAL and REG_RETVAL.
191 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
192 insn that has a REG_RETVAL.
194 2008-02-01 Roger Sayle <roger@eyesopen.com>
197 * configure.ac (--enable-fixed-point): Disable unless explicitly
199 * configure: Regenerate.
201 2008-02-01 Richard Guenther <rguenther@suse.de>
204 * invoke.texi (-finline-limit): Remove no longer true parts
205 of the documentation. Note that there is no default value.
207 2008-02-01 Andrew Pinski <pinskia@gmail.com>
208 Mark Mitchell <mark@codesourcery.com>
209 Ben Elliston <bje@au.ibm.com>
212 * doc/extend.texi (Other Builtins): Document.
214 2008-01-31 Tom Browder <tom.browder@gmail.com>
216 * doc/c-tree.texi (Types): Fix grammar.
217 (Expression trees): Ditto.
218 * doc/passes.texi (Tree-SSA passes): Ditto.
220 * doc/configterms.texi (Configure Terms): Fix typo.
221 * doc/cpp.texi (Common Predefined Macros): Ditto.
222 * doc/md.texi (Machine Constraints): Ditto.
224 * doc/makefile.texi (Makefile): Add comma.
226 2008-01-31 Tom Browder <tom.browder@gmail.com>
227 Gerald Pfeifer <gerald@pfeifer.com>
229 * doc/sourcebuild.texi (Front End): Remove references to CVS
231 (Texinfo Manuals): Replace reference to CVS by one to SVN.
232 (Back End): Remove reference to CVS.
234 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
237 * config/mips/mips.c (gen_load_const_gp): New function, taking a
239 (mips16_gp_pseudo_reg): ...here.
240 * config/mips/mips.md (load_const_gp): Replace with...
241 (load_const_gp_<mode>): ...this :P-based insn.
243 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
245 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
246 options. Minor fixes.
247 (-std): Move reference to standards closer to where language
248 standards are first mentioned.
250 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
252 PR rtl-optimization/34995
253 * reload.c (alternative_allows_const_pool_ref): Take an rtx
254 parameter and return a bool. If the rtx parameter is nonnull,
255 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
256 (find_reloads): Update call accordingly. Pass the new operand
257 if it needed no address reloads, otherwise pass null.
259 2008-01-30 Richard Henderson <rth@redhat.com>
262 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
263 for unbounded arrays.
265 2008-01-30 Silvius Rus <rus@google.com>
267 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
269 2008-01-30 Jan Hubicka <jh@suse.cz>
272 * i386.c (init_cumulative_args): Use real function declaration when
275 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
277 PR rtl-optimization/34998
278 * global.c (build_insn_chain): Treat non-subreg_lowpart
279 SUBREGs of pseudos as clobbering all the words covered by the
280 SUBREG, not just all the bytes.
281 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
282 original df_ref rather than an extract parameter.
283 (global_conflicts): Update call accordingly.
285 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
287 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
288 the overflow check to make it easier to read.
289 (__fixtfdi): Change the type of the ll member in union
290 long_double to UDItype_x.
292 2008-01-30 Jakub Jelinek <jakub@redhat.com>
295 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
296 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
297 * tree-inline.c (fold_marked_statements): Call
298 cgraph_update_edges_for_call_stmt if folding a call statement.
299 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
300 debug_generic_stmt calls, reset it back afterwards.
303 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
305 * c-typeck.c (build_external_ref): Don't pedwarn about
306 static vars in current function's scope.
308 2008-01-29 Joseph Myers <joseph@codesourcery.com>
310 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
312 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
315 * ipa-struct-reorg.c: Fix spelling.
318 2008-01-29 Richard Guenther <rguenther@suse.de>
321 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
323 * tree-inline.c (remap_type): Increment remapping_type_depth
324 around remapping types.
325 (copy_body_r): Only add referenced variables if they are referenced
326 from code, not types.
328 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
339 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
340 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
342 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
345 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
346 pointer for tiny stack.
348 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
350 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
352 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
354 * config/vx-common.h: Fix typo in comment.
356 2008-01-28 Ian Lance Taylor <iant@google.com>
360 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
361 coalesce pointers if they have different DECL_NO_TBAA_P values.
362 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
363 between variables with different DECL_NO_TBAA_P values.
365 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
368 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
369 are not legitimate small data references on SPE targets.
371 2008-01-28 David Daney <ddaney@avtrex.com>
373 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
375 2008-01-28 David Daney <ddaney@avtrex.com>
377 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
379 2008-01-27 Joseph Myers <joseph@codesourcery.com>
381 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
382 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
383 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
384 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
385 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
386 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
387 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
388 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
390 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
392 * basic-block.h (condjump_equiv_p): Fix comment.
394 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
396 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
397 print_generic_stmt_indented): Fix comment.
399 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
401 * configure.ac (__stack_chk_fail): Add detecion for availability
402 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
403 * configure: Regenerate.
405 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
408 * final.c (output_addr_const): Handle TRUNCATE.
410 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
413 * tree-ssa-loop-ivopts.c (comp_cost): New type.
414 (zero_cost, infinite_cost): New constants.
415 (struct cost_pair): Change type of cost to comp_cost.
416 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
417 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
419 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
420 split_address_cost, ptr_difference_cost, difference_cost,
421 get_computation_cost_at, get_computation_cost,
422 determine_use_iv_cost_generic, determine_use_iv_cost_address,
423 determine_use_iv_cost_condition, determine_use_iv_costs,
424 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
425 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
426 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
427 Change type of cost to comp_cost.
428 (determine_iv_cost): Increase cost of non-original ivs, instead
429 of decreasing the cost of original ones.
430 (get_address_cost): Indicate the complexity of the addressing mode
432 (try_add_cand_for): Prefer using ivs not specific to some object.
433 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
435 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
436 Janis Johnson <janis187@us.ibm.com>
439 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
440 (TARGET_INSTANTIATE_DECLS): Likewise.
441 * target.h (expand_to_rtl_hook): New target hook.
442 (instantiate_decls): Likewise.
443 * function.c (instantiate_decl): Make non-static. Rename to...
444 (instantiate_decl_rtl): ... this.
445 (instantiate_expr): Use instantiate_decl_rtl.
446 (instantiate_decls_1): Likewise.
447 (instantiate_decls): Likewise.
448 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
449 * function.h (instantiate_decl_rtl): Add prototype.
450 * cfgexpand.c (target.h): New include.
451 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
452 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
453 (TARGET_INSTANTIATE_DECLS): Likewise.
454 (TARGET_INITIALIZER): New target hooks added.
455 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
457 * config/rs6000/rs6000.c (tree-flow.h): New include.
458 (machine_function): Add sdmode_stack_slot field.
459 (rs6000_alloc_sdmode_stack_slot): New function.
460 (rs6000_instantiate_decls): Likewise.
461 (rs6000_secondary_memory_needed_rtx): Likewise.
462 (rs6000_check_sdmode): Likewise.
463 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
464 (TARGET_INSTANTIATE_DECLS): Likewise.
465 (rs6000_hard_regno_mode_ok): Allow SDmode.
466 (num_insns_constant): Likewise. Handle _Decimal32 constants.
467 (rs6000_emit_move): Handle SDmode.
468 (function_arg_advance): Likewise.
469 (function_arg): Likewise.
470 (rs6000_gimplify_va_arg): Likewise. Add special handling of
471 SDmode var args for 32-bit compiles.
472 (rs6000_secondary_reload_class): Handle SDmode.
473 (rs6000_output_function_epilogue): Likewise.
474 (rs6000_function_value): Simplify if statement.
475 (rs6000_libcall_value): Likewise.
476 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
477 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
478 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
479 (movsd_hardfloat): New define_insn.
480 (movsd_softfloat): Likewise.
481 (movsd_store): Likewise.
482 (movsd_load): Likewise.
483 (extendsddd2): Likewise.
484 (extendsdtd2): Likewise.
485 (truncddsd2): Likewise.
486 (movdd_hardfloat64): Fixup comment.
487 (UNSPEC_MOVSD_LOAD): New constant.
488 (UNSPEC_MOVSD_STORE): Likewise.
490 2008-01-26 Jakub Jelinek <jakub@redhat.com>
493 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
495 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
496 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
497 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
500 2008-01-26 David Edelsohn <edelsohn@gnu.org>
503 * config.gcc: Separate AIX 5.3 from AIX 6.1.
504 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
506 * config/rs6000/aix61.h: New file.
508 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
510 PR rtl-optimization/34959
511 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
512 popcount and parity rtxes the same mode as their operand.
513 Truncate or extend the result to the return value's mode
516 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
519 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
520 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
521 to GOT_VERSION_REGNUM.
522 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
523 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
524 * config/mips/mips.c (mips_emit_call_insn): New function.
525 (mips_call_tls_get_addr): Call mips_expand_call directly.
526 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
528 (mips16_build_call_stub): Likewise. Return the call insn or null.
529 (mips_expand_call): Update the call to mips16_build_call_stub
530 accordingly and a remove redundant condition. Assert that MIPS16
531 stubs do not use lazy binding. Use mips_emit_call_insn and return
533 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
535 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
536 (mips_avoid_hazard): Remove hazard_set handling.
537 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
538 (UNSPEC_RESTORE_GP): ...this.
539 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
540 (FAKE_CALL_REGNO): Rename to...
541 (GOT_VERSION_REGNUM): ...this.
542 (type): Add "ghost" value. Add an associated insn reservation.
543 (hazard_set): Remove.
544 (exception_receiver): Rename to...
545 (restore_gp): ...this and update the unspec identifier accordingly.
546 (exception_receiver, nonlocal_got_receiver): New expanders.
547 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
548 FAKE_CALL_REGNO. Remove hazard_set attribute.
549 (set_got_version, update_got_version): New patterns.
551 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
554 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
556 2008-01-25 Joseph Myers <joseph@codesourcery.com>
559 * doc/install.texi2html: Generate gcc-vers.texi.
561 2008-01-25 DJ Delorie <dj@redhat.com>
563 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
565 2008-01-25 Joseph Myers <joseph@codesourcery.com>
567 * config/c4x: Remove directory.
568 * config.gcc (crx-*, mt-*): Mark obsolete.
569 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
570 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
571 sh-*-rtemscoff*): Remove cases.
572 * defaults.h (C4X_FLOAT_FORMAT): Remove.
573 * real.c (encode_c4x_single, decode_c4x_single,
574 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
575 c4x_extended_format): Remove.
576 * real.h (c4x_single_format, c4x_extended_format): Remove.
577 * doc/extend.texi (interrupt, naked): Remove mention of attributes
579 (Pragmas): Remove comment about c4x pragmas.
580 * doc/install.texi (c4x): Remove target-specific instructions.
581 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
582 * doc/md.texi (Machine Constraints): Remove C4x documentation.
583 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
584 refer to C4x source files as examples.
585 (C4X_FLOAT_FORMAT): Remove documentation.
587 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
589 * config/bfin/bfin.c (override_options): Reorder tests so that
590 flag_pic gets enabled for -msep-data.
592 2008-01-25 Richard Guenther <rguenther@suse.de>
595 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
596 to its bitfield precision if required.
598 2008-01-25 Jakub Jelinek <jakub@redhat.com>
601 * tree-nested.c (walk_omp_for): New function.
602 (convert_nonlocal_reference, convert_local_reference): Call
603 walk_omp_for on OMP_FOR.
604 (convert_call_expr): Call walk_body on OMP_FOR's
605 OMP_FOR_PRE_INIT_BODY.
607 2008-01-25 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/34966
610 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
611 default defs and PHI_NODEs we have to insert after the
614 2008-01-24 Nick Clifton <nickc@redhat.com>
616 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
617 Provide a default definition.
618 (LIBGCC2_UNITS_PER_WORD): Likewise.
620 * config/stormy16/stormy16.c: Include df.h for the prototype
621 for df_regs_ever_live_p.
622 (xstormy16_expand_builtin_va_start): Convert the stack offset
623 into a component_ref and then use POINTER_PLUS_EXPR to add it
624 to the incoming_virtual_args_rtx.
625 (xstormy16_gimplify_va_arg_expr): Rename to
626 xstormy16_gimplify_va_arg_expr.
627 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
628 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
629 xstormy16_gimplify_va_arg_expr.
630 Fix up some formatting issues.
632 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
633 Move to predicates.md.
634 (xs_hi_general_operand): Likewise.
635 (xs_hi_nonmemory_operand): Likewise.
636 * config/stormy16/predicates.md:
637 (xstormy16_carry_plus_operand): New predicate.
638 (xs_hi_general_operand): New predicate.
639 (xs_hi_nonmemory_operand): New predicate.
640 * config/stormy16/stormy16-protos.h:
641 (xstormy16_carry_plus_operand): Delete prototype.
642 (xs_hi_general_operand): Likewise.
643 (xs_hi_nonmemory_operand): Likewise.
645 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
646 modifiers as they are no longer needed and they can trigger
647 reload spill failures.
649 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
650 with a match_operand in order to help reload.
652 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
653 constraint with 'e' for the 8th alternative as this version of
654 the mov.w instruction only accepts the lower 8 registers.
656 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
659 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
660 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
663 2008-01-25 Jakub Jelinek <jakub@redhat.com>
666 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
668 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
670 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
672 (remove_structure): Update allocations list before removing structure.
674 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
676 * ipa-struct-reorg.c (is_safe_cond_expr,
677 create_new_stmts_for_cond_expr): Use integer_zerop function,
678 that recognize not only zero-pointer, but zero-integer too.
680 2008-01-25 Ben Elliston <bje@au.ibm.com>
683 * fixproto: Escape "." in sed expression that strips leading "./".
685 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
688 * gcc.c (SWITCH_OK): Removed.
689 (SWITCH_LIVE): Changed to bit.
690 (SWITCH_FALSE): Likewise.
691 (SWITCH_IGNORE): Likewise.
692 (switchstr): Change live_cond to unsigned int.
693 (process_command): Replace SWITCH_OK with 0.
694 (do_self_spec): Likewise.
695 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
696 (give_switch): Likewise.
697 (used_arg): Likewise.
698 (do_spec_1): Set the SWITCH_IGNORE bit.
699 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
700 bits. Set the SWITCH_LIVE bit.
702 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
704 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
706 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
708 PR tree-optimization/34472
709 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
710 parameter to a "bool *" and set *DATA to false if there is
711 an unsafe access. Do not delete the structure here.
712 (check_cond_exprs): Delete it here instead.
713 (check_cond_exprs, exclude_cold_structs): Do not increase
714 I when removing a structure.
716 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
719 * config/i386/i386.c (ix86_expand_vector_init): Consider only
720 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
722 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
725 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
726 a fixed vector for stack.
728 2008-01-24 Ben Elliston <bje@au.ibm.com>
731 * doc/gcc.texi (Software development): Add a direntry for g++.
733 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
735 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
736 stale and straggling -fforce-addr comments above.
738 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
740 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
741 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
743 2008-01-23 Michael Matz <matz@suse.de>
746 * dwarf2out.c (force_type_die): Use modified_type_die instead of
749 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
751 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
754 2008-01-23 Anatoly Sokolov <aesok@post.ru>
756 * config/avr/avr.c (avr_current_arch): New variable.
757 (avr_arch_types): Add 'avr31' and 'avr51' entries.
758 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
759 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
760 (avr_override_options): Init 'avr_current_arch'.
761 (base_arch_s): Move from here...
762 * config/avr/avr.h (base_arch_s): ... here. Add new members
763 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
764 'mega' to 'have_jmp_call'.
765 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
766 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
768 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
770 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
771 MULTILIB_MATCHES): (Ditto.).
773 2008-01-23 Richard Guenther <rguenther@suse.de>
776 * cgraphunit.c (cgraph_reset_node): Always mark the node
777 not reachable if it is not queued already.
779 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
781 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
782 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
783 (cputype_selected): New static variable.
784 (bfin_handle_option): Set it if -mcpu is used.
785 (override_option): Select default set of workarounds if no cpu type
786 selected on the command line.
787 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
789 From Michael Frysinger <michael.frysinger@analog.com>
790 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
791 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
793 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
794 for bf547, bf523, bf524, and bf526.
795 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
797 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
798 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
799 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
800 __ADSPBF547__ and __ADSPBF54x__ for bf547.
801 * doc/invoke.texi (Blackfin Options): Document that
802 -mcpu now accept bf547, bf523, bf524, and bf526.
804 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
806 PR rtl-optimization/34628
807 * combine.c (try_combine): Stop and undo after the first combination
808 if an autoincrement side-effect on the first insn has effectively
811 2008-01-22 David Edelsohn <edelsohn@gnu.org>
814 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
815 Offset addresses are not valid for Altivec or paired float modes.
817 2008-01-22 Jakub Jelinek <jakub@redhat.com>
820 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
821 if DECL_INITIAL (decl) is error_mark_node.
824 * c-common.c (handle_vector_size_attribute): Only allow
825 integral, scalar float and fixed point types. Handle OFFSET_TYPE
826 the same way as pointer, array etc. types.
827 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
830 * tree.c (build_type_attribute_qual_variant): Call
831 build_qualified_type if attributes are equal, but quals are not.
833 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
836 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
837 * flags.h (warn_strict_aliasing): Remove.
838 (warn_strict_overflow): Remove.
839 * opts.c (warn_strict_aliasing): Remove.
840 (warn_strict_overflow): Remove.
841 * c-opts.c (c_common_handle_option): -Wall only sets
842 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
843 (c_common_post_options): Give default values to -Wstrict-aliasing
844 and -Wstrict-overflow if they are uninitialized.
845 * common.opt (Wstrict-aliasing): Specify Var and Init.
846 (Wstrict-overflow): Likewise.
848 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
850 PR rtl-optimization/26854
851 PR rtl-optimization/34400
852 PR rtl-optimization/34884
853 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
855 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
856 (df_rd_bb_info.expanded_lr_out): Deleted
857 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
858 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
859 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
860 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
861 Removed code to allocate, initialize or free expanded_lr_out.
862 (df_rd_bb_local_compute_process_def): Restructured to make more
864 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
865 sets if the sets are being trimmed.
867 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
870 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
872 * configure: Regenerated.
874 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
877 * tree-pass.h (pass_build_alias): New pass.
878 * tree-ssa-alias.c (gate_build_alias): New.
879 (pass_build_alias): New.
880 * passes.c (init_optimization_passes): Add pass_build_alias after
881 pass_create_structure_vars.
883 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
885 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
886 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
887 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
888 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
889 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
890 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
891 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
892 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
893 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
894 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
895 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
896 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
897 * config/s390/s390.md (FP_ALL): New mode iterator.
898 (_d): New mode attribute.
899 ("*signbit<mode>2>"): Changed mode of first operand.
900 ("isinf<mode>2"): Changed mode of first operand.
901 ("*TDC_insn"): Adaptation for DFP modes.
903 2008-01-22 Ben Elliston <bje@au.ibm.com>
905 * tree.c (check_qualified_type): Improve function description.
907 2008-01-21 Jason Merrill <jason@redhat.com>
910 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
911 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
914 2008-01-21 DJ Delorie <dj@redhat.com>
916 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
919 2008-01-21 Richard Guenther <rguenther@suse.de>
922 * tree-cfg.c (verify_expr): Allow all invariant expressions
923 instead of just constant class ones as reference argument.
924 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
925 like any other constant.
926 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
928 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
930 * regmove.c (fixup_match_1): Update call crossed frequencies.
932 2008-01-21 Richard Guenther <rguenther@suse.de>
935 * tree-inline.c (setup_one_parameter): Deal with mismatched
936 types using a VIEW_CONVERT_EXPR.
938 2008-01-21 Alon Dayan <alond@il.ibm.com>
939 Olga Golovanevsky <olga@il.ibm.com>
941 PR tree-optimization/34701
942 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
943 when the structure size is not a power of 2.
945 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
947 * doc/install.texi: Add doc for --enable-checking=df.
949 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
951 PR rtl-optimization/34808
952 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
954 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
956 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
959 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
961 PR rtl-optimization/26854
962 PR rtl-optimization/34400
963 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
965 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
966 (df_rd_bb_info.expanded_lr_out): New.
967 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
968 * loop_iv.c (iv_analysis_loop_init): Ditto.
969 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
970 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
971 Added code to allocate, initialize or free expanded_lr_out.
972 (df_rd_bb_local_compute_process_def): Restructured to make
974 (df_rd_confluence_n): Add code to do nothing with fake edges and
975 code to no apply invalidate_by_call sets if the sets are being trimmed.
976 (df_lr_local_finalize): Renamed to df_lr_finalize.
977 (df_live_local_finalize): Renamed to df_live_finalize.
979 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
982 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
983 deciding whether to use reciprocal instructions.
985 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
987 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
988 dwarf2out_note_section_used if cold_text_section is NULL.
990 2008-01-19 Jakub Jelinek <jakub@redhat.com>
992 PR gcov-profile/34610
993 * tree-cfg.c (make_edges): Mark both outgoing edges from
994 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
995 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
996 from OMP_FOR and OMP_CONTINUE outgoing edges.
998 * tree-profile.c (tree_profiling): Return early if
999 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1001 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1002 from cfun to child_cfun.
1003 * function.h (struct function): Add after_tree_profile bit.
1005 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1007 * config/avr/avr.S (_exit): Disable interrupt.
1009 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1010 Steven Bosscher <stevenb.gcc@gmail.com>
1012 PR rtl-optimization/26854
1013 PR rtl-optimization/34400
1014 * df-problems.c (df_live_scratch): New scratch bitmap.
1015 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1016 (df_live_reset): Clear the proper bitmaps.
1017 (df_live_bb_local_compute): Only process the artificial defs once
1018 since the order is not important.
1019 (df_live_init): Init the df_live sets only with the variables
1020 found live by df_lr.
1021 (df_live_transfer_function): Use the df_lr sets to prune the
1022 df_live sets as they are being computed.
1023 (df_live_free): Free df_live_scratch.
1025 2008-01-18 Ian Lance Taylor <iant@google.com>
1027 * common.opt: Add fmerge-debug-strings.
1028 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1029 flag_merge_debug_strings rather than flag_merge_constants.
1030 * doc/invoke.texi (Option Summary): Mention
1031 -fmerge-debug-strings.
1032 (Debugging Options): Document -fmerge-debug-strings.
1034 2008-01-18 Ian Lance Taylor <iant@google.com>
1037 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1038 (struct tree_function_decl): Add new field operator_new_flag.
1039 * tree-inline.c (expand_call_inline): When inlining a call to
1040 operator new, force the return value to go into a variable, and
1041 set DECL_NO_TBAA_P on that variable.
1042 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1044 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1047 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1048 DWARF2_DEBUGGING_INFO.
1049 (dwarf2out_note_section_used): Ditto. Add prototype.
1050 (have_multiple_function_sections, text_section_used,
1051 cold_text_section_used, *cold_text_sections): Move declarations
1054 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1056 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1057 field and add signal_ra.
1058 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1059 assignments to frame state pc. Move end of stack check after
1060 MD_FALLBACK_FRAME_STATE_FOR.
1061 (uw_update_context_1): Use frame state signal_regs if set, instead
1062 of checking signal_frame flag.
1063 (uw_update_context): Use frame state signal_ra if set.
1064 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1065 * config/xtensa/linux-unwind.h: New file.
1067 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1069 * modulo-sched.c (get_sched_window): Fix comment typo.
1071 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1073 PR tree-optimization/34648
1074 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1076 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1078 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1079 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1081 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1083 PR rtl-optimization/34400
1084 * df-core.c (df_worklist_dataflow_overeager,
1085 df_worklist_dataflow_doublequeue): New functions.
1086 (df_worklist_dataflow): Two different worklist solvers.
1087 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1090 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1093 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1094 and ftree-parallelize-loops.
1096 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1098 PR rtl-optimization/34826
1099 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1101 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1103 * global.c (find_reg): Mark the eh regs as used if necessary.
1104 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1105 * ra.h (struct allocno): no_eh_reg field added. Changed
1106 no_stack_reg type to bitfield.
1108 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1110 * tree.c (substitute_in_expr): Add missing 'break'.
1112 2008-01-17 Richard Guenther <rguenther@suse.de>
1114 PR tree-optimization/34825
1115 * tree-ssa-math-opts.c (is_division_by): Do not recognize
1116 x / x as division to handle.
1118 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1120 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1121 "-pthread" is specified.
1122 * pa-hpux11.h (LIB_SPEC): Likewise.
1124 2008-01-16 Janis Johnson <janis187@us.ibm.com>
1125 Peter Bergner <bergner@vnet.ibm.com>
1127 PR rtl-optimization/33796
1128 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1130 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1132 PR libgfortran/34699
1133 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1135 * pa-hpux10.h (LINK_SPEC): Likewise.
1136 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1138 2008-01-16 Richard Guenther <rguenther@suse.de>
1141 * fold-const.c (fold_convert_const_int_from_int): Do not
1142 set overflow if that occured only because of a sign extension
1143 change when converting from/to a sizetype with the same
1144 precision and signedness.
1146 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1149 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1150 location address to the correct place. Update copyright year.
1152 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1154 * lambda-code.c (lambda_transform_legal_p): Handle the case of
1155 no dependences in the dependence_relations vector.
1157 2008-01-16 Jan Hubicka <jh@suse.cz>
1159 PR rtl-optimization/31396
1160 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1161 * cfg.c (dump_reg_info): Print it.
1162 * regs.h (struct reg_info_t): add freq_calls_crossed.
1163 (REG_FREQ_CALLS_CROSSED): New macro.
1164 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1165 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1166 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1167 regmove_optimize): Update call crossed frequencies.
1168 * local-alloc.c (struct qty): Add freq_calls_crossed.
1169 (alloc_qty): Copute freq_calls_crossed.
1170 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1171 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1172 * ra.h (struct allocno): Add freq_calls_crossed.
1174 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1176 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1177 libgomp when compiling with ftree-parallelize-loops.
1178 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1180 2008-01-16 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/34769
1183 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1184 * tree.c (int_cst_value): Instead make this function more
1185 permissive in what it accepts as valid input. Document this
1186 function always sign-extends the value.
1188 2008-01-16 Jakub Jelinek <jakub@redhat.com>
1189 Richard Guenther <rguenther@suse.de>
1192 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1193 (gimple_fold_indirect_ref_rhs): ... this.
1194 (gimple_fold_indirect_ref): New function with foldings
1195 that preserve lvalueness.
1196 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1197 * tree-flow.h (gimple_fold_indirect_ref): Declare.
1198 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1199 to fold an INDIRECT_REF, fall back to the old use of
1200 fold_indirect_ref_1.
1202 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1204 * tree-data-ref.c (subscript_dependence_tester_1): Call
1205 free_conflict_function.
1206 (compute_self_dependence): Same.
1208 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
1211 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1212 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
1214 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1215 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1216 for DWARF2_UNWIND_INFO targets.
1218 2008-01-16 Richard Guenther <rguenther@suse.de>
1221 * c-typeck.c (common_pointer_type): Do not merge inconsistent
1222 type qualifiers for function types.
1224 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1226 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1227 loop_iterator li from previous commit.
1229 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
1231 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1233 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1235 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1236 (parallelize_loops): Don't parallelize irreducible components.
1238 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1241 * c-opts (c_common_post_options): Do not enable CPP
1242 flag_pedantic_errors by default.
1244 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
1246 PR rtl-optimization/31944
1247 * cse.c (remove_pseudo_from_table): New function.
1248 (merge_equiv_classes): Use above function to remove pseudo-registers.
1249 (invalidate): Likewise.
1251 2008-01-13 Richard Guenther <rguenther@suse.de>
1254 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1255 instead of TYPE_MODE to deal with calls from expand_one_error_var.
1257 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
1259 * gcse.c (cprop_jump): Call validate_unshare_change instead of
1260 validate_change to unshare the source of the PC set.
1262 2008-01-12 Jan Hubicka <jh@suse.cz>
1265 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1266 references above array bounds. This might trigger bounds checks for
1269 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
1271 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1272 new_replaceable_dependencies.
1274 2008-01-12 Doug Kwan <dougkwan@google.com>
1276 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1277 instead of OPT_Wreturn_type in warning due to ignored return type
1279 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1280 options included in -Wextra.
1281 * c.opt: New option -Wignored_qualifiers.
1282 * doc/invoke.texi (Warning Options, -Wextra): Add new option
1283 -Wignore_qualifiers.
1284 (-Wignored-qualifiers): Document.
1285 (-Wreturn-type): Remove description of functionality now handled
1286 by -Wignored-qualifiers.
1288 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
1291 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1292 NOP_EXPR if it is between integral types with the same precision.
1294 2008-01-12 Jan Hubicka <jh@suse.cz>
1297 * invoke.texi (max-inline-recursive-depth): Fix default value.
1299 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
1301 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1304 2008-01-11 Bob Wilson <bob.wilson@acm.org>
1306 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1308 2008-01-11 James E. Wilson <wilson@specifix.com>
1311 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1313 2008-01-11 Anatoly Sokolov <aesok@post.ru>
1315 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1316 save/restore frame pointer register and don't use 'call-prologues'
1317 optimization in function with "OS_task" attribute.
1319 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
1322 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1323 when copying to memory.
1325 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
1327 PR rtl-optimization/30905
1328 * cfgcleanup.c: Include dce.h
1329 (crossjumps_occured): New global variable.
1330 (try_crossjump_bb): Exit loop after finding a fallthru edge.
1331 If something changed, set crossjumps_occured to true.
1332 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1333 Don't add/remove fake edges to exit here...
1334 (cleanup_cfg): ...but do it here, when crossjumping.
1335 Run a fast DCE when successful crossjumps occured in the latest
1336 iteration of try_optimize_cfg.
1338 2008-01-11 Richard Guenther <rguenther@suse.de>
1340 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1341 (struct vn_unary_op_s): Likewise.
1342 (vn_reference_insert): Free old reference on hash collision.
1344 2008-01-10 Raksit Ashok <raksit@google.com>
1346 PR rtl-optimization/27971
1347 * combine.c (find_split_point): Split PLUS expressions which are
1348 inside a MEM rtx, and whose first operand is complex.
1350 2008-01-10 DJ Delorie <dj@redhat.com>
1352 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1353 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1354 (m32c_hard_regno_ok): Call the underlying function.
1356 2008-01-10 Richard Guenther <rguenther@suse.de>
1359 * tree-cfg.c (tree_merge_blocks): Do not go through the
1360 full-blown folding and stmt updating path if we just deal
1361 with virtual operands.
1362 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1363 test for abnormal SSA_NAMEs.
1365 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
1368 * reload.c (push_reload): Add assertions. All constants from
1369 reg_equiv_constant should have been used for replacing the respective
1371 (find_reloads_address): Invoke find_reloads_address_part for
1372 constant taken from the reg_equiv_constant array.
1374 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
1376 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1377 field (valnum) the first in the struct. Replace bools with
1380 2008-01-10 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/34651
1383 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
1384 types and ordering for masking and converting.
1386 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
1388 PR tree-optimization/34017
1389 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1390 also for PHI_NODE expressions.
1392 2008-01-09 Jan Hubicka <jh@suse.cz>
1394 PR tree-optimization/34708
1395 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1396 based on number of case labels.
1397 (init_inline_once): Remove switch_cost.
1398 * tree-inline.h (eni_weights_d): Remove switch_cost.
1400 2008-01-09 Richard Guenther <rguenther@suse.de>
1401 Andrew Pinski <andrew_pinski@playstation.sony.com>
1404 * gimplify.c (gimplify_cond_expr): Do not create an addressable
1405 temporary if an rvalue is ok or an lvalue is not required.
1407 2008-01-09 Richard Guenther <rguenther@suse.de>
1410 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1413 2008-01-09 Richard Guenther <rguenther@suse.de>
1416 * tree.c (host_integerp): Check for sizetype only if the
1417 type is an integer type.
1419 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
1422 * opts.c (decode_options): Disable inlining of functions called
1423 once if not in unit-at-a-time mode.
1425 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
1427 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1429 2008-01-08 Richard Guenther <rguenther@suse.de>
1432 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1433 out early if the result will be unused.
1435 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1440 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1441 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1444 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
1446 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1447 for vectorization tuned.
1449 2008-01-08 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/34683
1452 * tree-ssa-operands.c (operand_build_cmp): Export.
1453 * tree-ssa-operands.h (operand_build_cmp): Declare.
1454 * tree-vn.c (vuses_compare): Remove.
1455 (sort_vuses): Use operand_build_cmp.
1456 (sort_vuses_heap): Likewise.
1457 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1458 to re-use old VEC if available. Do not sort already sorted VUSEs.
1459 (vdefs_to_vec): Do not sort already sorted VDEFs.
1461 2008-01-08 Jakub Jelinek <jakub@redhat.com>
1464 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1466 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
1469 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1470 limitations of reciprocal sequences on x86 targets.
1472 2008-01-08 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/34683
1475 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1477 2008-01-07 Jakub Jelinek <jakub@redhat.com>
1480 * config/darwin.c (darwin_mergeable_string_section): Don't use
1481 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1483 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
1486 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1487 negxf2. Macroize expander using X87MODEF mode iterator. Change
1488 predicates of op0 and op1 to register_operand.
1489 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
1490 expander using X87MODEF mode iterator. Change predicates of
1491 op0 and op1 to register_operand.
1492 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1493 corresponding patterns and macroize using MODEF macro. Change
1494 predicates of op0 and op1 to register_operand and remove
1495 "m" constraint. Disparage "r" alternative with "!".
1496 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1497 macroize using X87MODEF macro. Change predicates of op0 and op1
1498 to register_operand and remove "m" constraint. Disparage "r"
1499 alternative with "!".
1500 (absneg splitter with memory operands): Remove.
1501 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1502 patterns and macroize using X87MODEF mode iterator.
1503 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1504 Change predicate of op1 to register_operand.
1505 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1506 for memory operands.
1508 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
1510 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1512 2008-01-07 Richard Guenther <rguenther@suse.de>
1514 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1517 2008-01-07 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/34683
1520 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1521 VOPs of the needed size to save memory. Use VEC_quick_push
1522 to save compile-time.
1523 (vdefs_to_vec): Likewise.
1525 2008-01-07 Sa Liu <saliu@de.ibm.com>
1527 * config/spu/spu.md (divdf3): Genetate inline code for double
1528 division. The implementation doesn't handle INF or NAN, therefore it
1529 only applies when -ffinite-math-only is given.
1531 2008-01-06 Paolo Carlini <pcarlini@suse.de>
1534 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1535 * doc/cpp.texi ([Common Predefined Macros]): Document.
1537 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
1539 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1540 order to use commutative addition instead of subtraction.
1542 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1543 Mircea Namolaru <namolaru@il.ibm.com>
1544 Vladimir Yanovsky <yanov@il.ibm.com>
1545 Revital Eres <eres@il.ibm.com>
1547 PR tree-optimization/34263
1548 * tree-outof-ssa.c (process_single_block_loop_latch,
1549 contains_tree_r): New functions.
1550 (analyze_edges_for_bb): Call process_single_block_loop_latch
1551 function to empty single-basic-block latch block if possible.
1553 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1555 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1557 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1559 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1561 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1563 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
1565 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1567 2008-01-05 Jakub Jelinek <jakub@redhat.com>
1569 PR tree-optimization/34618
1570 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1573 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
1576 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1577 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
1578 Update copyright year.
1580 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1581 Update copyright year.
1582 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1585 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
1587 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1588 edge does not point to current bb before changing need_assert.
1590 2008-01-04 Richard Guenther <rguenther@suse.de>
1593 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1594 for verifying purposes if they are is_gimple_min_invariant.
1596 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
1598 PR tree-optimization/34448
1599 PR tree-optimization/34465
1600 * gimplify.c (gimplify_init_constructor): Add new parameter
1601 notify_temp_creation. Use it.
1602 (gimplify_modify_expr_rhs): Take volatiles into account when
1603 optimizing constructors.
1604 Do not optimize constructors if gimplify_init_constructor will dump to
1606 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1607 * gcc.c-torture/compile/pr34448.c: New.
1609 2008-01-04 Jakub Jelinek <jakub@redhat.com>
1611 PR gcov-profile/34609
1612 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1613 return_slot if result is TREE_ADDRESSABLE.
1615 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
1617 * config/mips/mips.md (sqrt_condition): Tweak comment.
1618 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
1620 2008-01-03 Tom Tromey <tromey@redhat.com>
1623 * c-common.c (c_type_hash): Handle VLAs.
1625 2008-01-03 Jan Hubicka <jh@suse.cz>
1627 PR tree-optimization/31081
1628 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1629 0 when inlining and not inlining to first basic block.
1630 (remap_decl): When var is initialized to 0, don't set default_def.
1631 (expand_call_inline): Set entry_bb.
1632 * tree-inline.h (copy_body_data): Add entry_bb.
1634 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1637 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1640 PR tree-optimization/29484
1641 * tree-inline.c (inline_forbidden_p_2): New function.
1642 (inline_forbidden_p): Disallow inlining if some static var
1643 has an address of a local LABEL_DECL in its initializer.
1644 * doc/extend.texi (Labels as Values): Document &&foo behaviour
1647 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
1649 PR tree-optimization/34635
1650 * tree-data-ref.c (add_other_self_distances): Make sure that the
1651 evolution step is constant.
1653 2008-01-03 Jakub Jelinek <jakub@redhat.com>
1656 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1658 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
1660 * tree-sra.c (scalarize_init): Insert the generate_element_init
1661 statements after the generate_element_zero statements.
1663 2008-01-02 Richard Guenther <rguenther@suse.de>
1667 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1668 for very large number of operands instead of ICEing.
1670 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
1673 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1674 while stack probing.
1676 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
1678 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1681 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
1684 * tree-mudflap.c (mx_register_decls): Guard warning by
1685 !DECL_ARTIFICIAL check.
1687 2008-01-01 Jakub Jelinek <jakub@redhat.com>
1689 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1690 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1691 sse5_perm<mode>): Fix constraints.