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* config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 3b5fb98..4fcc73f 100644 (file)
+2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
+       nonmemory_operand. Add "N" operand constraint.
+       (*btsi): Ditto.
+       (*jcc_btdi_mask_rex64): New instruction and split pattern.
+       (*jcc_btsi_mask): Ditto.
+       (*jcc_btsi_mask_1): Ditto.
+
+2008-06-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/rs6000/rs6000.c (build_opaque_vector_type): Set
+       TYPE_CANONICAL for copied element type.
+
+2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/36473
+       * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
+       Add m_CORE2 and m_GENERIC.
+       * config/i386/predicates.md (bt_comparison_operator): New predicate.
+       * config/i386/i386.md (*btdi_rex64): New instruction pattern.
+       (*btsi): Ditto.
+       (*jcc_btdi_rex64): New instruction and split pattern.
+       (*jcc_btsi): Ditto.
+       (*jcc_btsi_1): Ditto.
+       (*btsq): Fix Intel asm dialect operand order.
+       (*btrq): Ditto.
+       (*btcq): Ditto.
+
+2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
+
+       PR middle-end/36447
+       * simplify-rtx.c (simplify_subreg): Add check for shift count 
+       greater than size.
+
+2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * doc/md.texi: Synchronize with later constraints.md change.
+       * longlong.h (umul_ppmm): Replace the MIPS asm implementation
+       with a C implementation.
+       * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
+       MFLO handling.
+       (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
+       (mips_split_doubleword_move): Use special MTHI and MFHI instructions
+       when moving to and from MD_REGNUM.
+       (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
+       Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
+       Handle byte and halfword moves.
+       (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
+       separately.
+       * config/mips/constraints.md (h): Turn into NO_REGS.
+       (l, x): Update documentation.
+       * config/mips/mips.md (UNSPEC_MFHILO): Delete.
+       (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
+       (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
+       (HILO): New mode iterator.
+       (MOVE128): Add TI.
+       (any_div): New code iterator.
+       (u): Extend code attribute to div and udiv.
+       (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
+       d_operand in the splitters.  Remove redundant CONST_INT checks.
+       (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
+       (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
+       (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
+       accordingly, using normal moves instead of unspecs to move LO into
+       a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
+       (<u>mulsidi3): Handle expansion in C code.
+       (<u>mulsidi3_32bit_internal): Rename to...
+       (<u>mulsidi3_32bit): ...this.
+       (<u>mulsidi3_32bit_r4000): Fix insn separator.
+       (*<u>mulsidi3_64bit): Rename to...
+       (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
+       into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
+       to set LO and HI to the multiplication result.  Use a normal move
+       for MFLO and an unspec for MFHI.
+       (*<u>mulsidi3_64bit_parts): Replace with...
+       (<u>mulsidi3_64bit_hilo): ...this new instruction.
+       (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
+       (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
+       and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
+       instead of HI.  Split the instruction into a separate multiplication
+       and MFHI if !TARGET_FIX_R4000.
+       (<su>muldi3_highpart): Likewise.
+       (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
+       and the "=h" clobber.
+       (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
+       (<u>mulditi3): New expander.
+       (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
+       (madsi): Remove "=h" clobber.
+       (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
+       Force the modulus result to be a GPR and split the instruction into
+       a division followed by an MFHI after reload.
+       (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
+       (*lea_high64): Use d_operand in the define_peephole2.  Likewise
+       the MIPS16 HIGH define_split.
+       (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
+       of acc<->gpr moves to "multi".
+       (*movdi_64bit): Replace the single "x" alternative with
+       alternatives for moving into and out of "a".
+       (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
+       (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
+       (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
+       Use d_operand in the splitters.  Remove redundant CONST_INT checks.
+       (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
+       (movti): New expander.
+       (*movti, *movti_mips16): New insns.
+       (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
+       (mfhi<GPR:mode>_<HILO:mode>): New pattern.
+       (mthi<GPR:mode>_<HILO:mode>): Likewise.
+       * config/mips/predicates.md (fpr_operand): Delete.
+       (d_operand): New predicate.
+
+2008-06-09  Michael Meissner  <michael.meissner@amd.com>
+
+       * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
+       failure on some Bourne shells.
+       (x86_64-*-*): Ditto.
+
+2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
+
+2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+       * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
+       (sparc-sun-solaris2*): Likewise.
+
+2008-06-09  Arnaud Charlet  <charlet@adacore.com
+
+       * doc/install.texi: Update requirements to build the Ada compiler.
+
+2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
+
+       * df-scan.c (struct df_scan_problem_data): Remove the
+       mw_link_pool alloc pool.
+       (df_scan_free_internal): Don't free it.
+       (df_scan_alloc): Don't allocate it.
+       * df.h (struct df_link): Update comment.
+
+2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * except.h: Correct checks for when SJLJ exceptions must be used.
+
+2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+       * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
+       default.
+       
+2008-06-08  Joseph Myers  <joseph@codesourcery.com>
+
+       PR tree-optimization/36218
+       * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
+       configure for the build system.
+       (BUILD_LDFLAGS): Define.
+       * configure: Regenerate.
+       * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
+
+2008-07-08  Anatoly Sokolov  <aesok@post.ru>
+
+       PR target/36424
+       * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
+       * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
+       * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
+
+2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
+
+2008-06-07  Joseph Myers  <joseph@codesourcery.com>
+
+       * config.gcc (Obsolete configurations): Remove list of
+       configurations.
+       (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
+       *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
+       targets matched by those patterns.
+       (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
+       m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
+       alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
+       arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
+       hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
+       i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
+       i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
+       i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
+       i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
+       mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
+       powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
+       powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
+       strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
+       vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
+       i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
+       Make code for Solaris 7 and greater unconditional for Solaris.
+       (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
+       Remove --with-* handling.
+       * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
+       (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
+       ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
+       LINK_OS_WINDISS_SPEC): Remove.
+       * config/rs6000/sysv4.opt (mwindiss): Remove.
+       * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
+       * configure: Regenerate.
+       * doc/cpp.texi: Don't mention BeOS.
+       * doc/extend.texi (interrupt): Don't mention MS1.
+       * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
+       m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
+       alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
+       i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
+       powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
+       Remove.
+       * doc/invoke.texi (MT Options): Remove.
+       (-mwindiss): Remove.
+       (CRIS Options): Remove cris-axis-aout references.
+       (HPPA Options): Don't mention hppa1.1-*-pro.
+       * doc/md.texi: (MorphoTech family): Remove.
+       * libgcc2.c: Don't handle UWIN.
+       * config/alpha/t-unicosmk: Remove.
+       * config/alpha/unicosmk.h: Remove.
+       * config/arm/kaos-arm.h: Remove.
+       * config/arm/kaos-strongarm.h: Remove.
+       * config/arm/strongarm-coff.h: Remove.
+       * config/arm/strongarm-elf.h: Remove.
+       * config/arm/strongarm-pe.h: Remove.
+       * config/arm/t-strongarm-pe: Remove.
+       * config/arm/t-xscale-coff: Remove.
+       * config/arm/t-xscale-elf: Remove.
+       * config/arm/xscale-coff.h: Remove.
+       * config/arm/xscale-elf.h: Remove.
+       * config/chorus.h: Remove.
+       * config/cris/aout.h: Remove.
+       * config/cris/aout.opt: Remove.
+       * config/cris/t-aout: Remove.
+       * config/i386/beos-elf.h: Remove.
+       * config/i386/kaos-i386.h: Remove.
+       * config/i386/ptx4-i.h: Remove.
+       * config/i386/sco5.h: Remove.
+       * config/i386/sco5.opt: Remove.
+       * config/i386/sysv4-cpp.h: Remove.
+       * config/i386/sysv5.h: Remove.
+       * config/i386/t-beos: Remove.
+       * config/i386/t-sco5: Remove.
+       * config/i386/t-uwin: Remove.
+       * config/i386/uwin.asm: Remove.
+       * config/i386/uwin.h: Remove.
+       * config/kaos.h: Remove.
+       * config/mips/windiss.h: Remove.
+       * config/mt: Remove directory.
+       * config/pa/pa-osf.h: Remove.
+       * config/pa/pa-pro-end.h: Remove.
+       * config/pa/t-pro: Remove.
+       * config/ptx4.h: Remove.
+       * config/rs6000/beos.h: Remove.
+       * config/rs6000/kaos-ppc.h: Remove.
+       * config/rs6000/t-beos: Remove.
+       * config/rs6000/windiss.h: Remove.
+       * config/sh/kaos-sh.h: Remove.
+       * config/sol2-6.h: Remove.
+       * config/sparc/sol26-sld.h: Remove.
+       * config/sparc/sysv4-only.h: Remove.
+       * config/vax/bsd.h: Remove.
+       * config/vax/t-memfuncs: Remove.
+       * config/vax/ultrix.h: Remove.
+       * config/vax/vaxv.h: Remove.
+       * config/windiss.h: Remove.
+
+2008-06-06 Uros Bizjak <ubizjak@gmail.com>
+
+       PR rtl-optimization/36438
+       * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
+       for vector shifts with constant scalar shift operands.
+
+2008-06-06  Sandip Matte  <sandip@rmicorp.com>
+
+       * doc/invoke.texi: Document -march=xlr.
+       * config/mips/xlr.md: New file.
+       * config/mips/mips.md: Include it.
+       (cpu): Add "xlr".
+       * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
+       * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
+       (mips_rtx_cost_data): Likewise.
+
+2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
+       PRE_INC and PRE_DEC cases.
+
+2008-06-06  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/36419
+       * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
+       the emitting jump insn.
+
+       PR target/36362
+       * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
+       is not bool, boolify the whole *expr_p and convert to the desired type.
+
+2008-06-06  Jakub Jelinek  <jakub@redhat.com>
+
+       * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
+       * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
+       Add omp_private_outer_ref hook, add another argument to
+       omp_clause_default_ctor hook.
+       * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
+       (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
+       (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
+       hook_tree_tree_tree_tree_null.
+       (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
+       LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
+       * hooks.c (hook_tree_tree_tree_tree_null): New function.
+       * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
+       * tree.def (OMP_TASK): New tree code.
+       * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
+       OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
+       OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
+       OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
+       OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
+       OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
+       OMP_CLAUSE_COLLAPSE_EXPR): Define.
+       (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
+       (OMP_DIRECTIVE_P): Add OMP_TASK.
+       (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
+       (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
+       * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
+       and OMP_CLAUSE_UNTIED entries.
+       (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
+       num_ops to 2.
+       (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
+       Walk OMP_CLAUSE_LASTPRIVATE_STMT.
+       * tree-pretty-print.c (dump_omp_clause): Handle
+       OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
+       OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
+       (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
+       * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
+       warning about unsigned iterators.  Change decl/init/cond/incr
+       arguments to TREE_VECs, check arguments for all collapsed loops.
+       (c_finish_omp_taskwait): New function.
+       (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
+       ws_clauses.
+       * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
+       default_function_array_conversion on init.  Add par_clauses argument.
+       If decl is present in parallel's lastprivate clause, change it to
+       shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
+       Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
+       collapse count in clauses.
+       (c_parser_omp_for, c_parser_omp_parallel): Adjust
+       c_parser_omp_for_loop callers.
+       (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
+       (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
+       (c_parser_omp_clause_name): Handle collapse and untied clauses.
+       (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
+       functions.
+       (c_parser_omp_clause_schedule): Handle schedule(auto).
+       Include correct location in the error message.
+       (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
+       and PRAGMA_OMP_CLAUSE_UNTIED.
+       (OMP_TASK_CLAUSE_MASK): Define.
+       (c_parser_omp_task, c_parser_omp_taskwait): New functions.
+       (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
+       * tree-nested.c (convert_nonlocal_omp_clauses,
+       convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
+       OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
+       OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
+       Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
+       OMP_CLAUSE_DECL.
+       (conver_nonlocal_reference, convert_local_reference,
+       convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
+       OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
+       (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
+       * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
+       * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
+       * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
+       (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
+       * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
+       (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
+       OMP_CLAUSE_UNTIED.
+       * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
+       * c-common.h (c_finish_omp_taskwait): New prototype.
+       * gimple-low.c (lower_stmt): Handle OMP_TASK.
+       * tree-parloops.c (create_parallel_loop): Create 1 entry
+       vectors for OMP_FOR_{INIT,COND,INCR}.
+       * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
+       (make_edges): Handle OMP_TASK.
+       * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
+       loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
+       * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
+       * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
+       BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
+       BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
+       BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
+       BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
+       * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
+       BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
+       BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
+       BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
+       BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
+       BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
+       BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
+       * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
+       handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
+       original iterator is present in lastprivate clause or if
+       collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
+       OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
+       (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
+       (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
+       (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
+       if it is set, lookup var in outer contexts too.  Handle
+       OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
+       to be implicitly determined firstprivate for task regions.
+       (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
+       if it is set, lookup var in outer contexts too.  Set
+       OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
+       Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
+       OMP_CLAUSE_UNTIED.  Take region_type as last argument
+       instead of in_parallel and in_combined_parallel.
+       (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
+       Adjust callers.
+       (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
+       GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
+       (new_omp_context): Set default_kind to
+       OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
+       (omp_region_type): New enum.
+       (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
+       fields, add region_type.
+       (new_omp_context): Take region_type as argument instead of is_parallel
+       and is_combined_parallel.
+       (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
+       omp_is_private, omp_check_private): Adjust ctx->is_parallel and
+       ctx->is_combined_parallel checks.
+       (gimplify_omp_task): New function.
+       (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
+       OMP_CLAUSE_UNTIED.
+       * omp-low.c (extract_omp_for_data): Use schedule(static)
+       for schedule(auto).  Handle pointer and unsigned iterators.
+       Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
+       Add loops argument.  Extract data for collapsed OMP_FOR loops.
+       (expand_parallel_call): Assert sched_kind isn't auto,
+       map runtime schedule to index 3.
+       (struct omp_for_data_loop): New type.
+       (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
+       Add loop, loops, collapse and iter_type fields.
+       (workshare_safe_to_combine_p): Disallow combined for if
+       iter_type is unsigned long long.  Don't combine collapse > 1 loops
+       unless all bounds and steps are constant.  Adjust extract_omp_for_data
+       caller.
+       (expand_omp_for_generic): Handle pointer, unsigned and long long
+       iterators.  Handle collapsed OMP_FOR loops.  Adjust
+       for struct omp_for_data changes.  If libgomp function doesn't return
+       boolean_type_node, add comparison of the return value with 0.
+       (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
+       pointer, unsigned and long long iterators.  Adjust for struct
+       omp_for_data changes.
+       (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
+       to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
+       unsigned long long.  Allocate loops array, pass it to
+       extract_omp_for_data.  For collapse > 1 loops use always
+       expand_omp_for_generic.
+       (omp_context): Add sfield_map and srecord_type fields.
+       (is_task_ctx, lookup_sfield): New functions.
+       (use_pointer_for_field): Use is_task_ctx helper.  Change first
+       argument's type from const_tree to tree.  Clarify comment.
+       In OMP_TASK disallow copy-in/out sharing.
+       (build_sender_ref): Call lookup_sfield instead of lookup_field.
+       (install_var_field): Add mask argument.  Populate both record_type
+       and srecord_type if needed.
+       (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
+       in srecord_type.
+       (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
+       and DECL_FIELD_OFFSET.
+       (scan_sharing_clauses): Adjust install_var_field callers.  For
+       firstprivate clauses on explicit tasks allocate the var by value in
+       record_type unconditionally, rather than by reference.
+       Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
+       Use is_taskreg_ctx instead of is_parallel_ctx.
+       Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
+       (create_omp_child_function_name): Add task_copy argument, use
+       *_omp_cpyfn* names if it is true.
+       (create_omp_child_function): Add task_copy argument, if true create
+       *_omp_cpyfn* helper function.
+       (scan_omp_parallel): Adjust create_omp_child_function callers.
+       Rename parallel_nesting_level to taskreg_nesting_level.
+       (scan_omp_task): New function.
+       (lower_rec_input_clauses): Don't run constructors for firstprivate
+       explicit task vars which are initialized by *_omp_cpyfn*.  
+       Pass outer var ref to omp_clause_default_ctor hook if
+       OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
+       Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
+       OMP_CLAUSE_REDUCTION_INIT.
+       (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
+       avoid duplicate setting of fields.  Handle
+       OMP_CLAUSE_PRIVATE_OUTER_REF.
+       (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
+       copy-out if TREE_READONLY, only copy-in.
+       (expand_task_copyfn): New function.
+       (expand_task_call): New function.
+       (struct omp_taskcopy_context): New type.
+       (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
+       New functions.
+       (lower_omp_parallel): Rename to...
+       (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
+       Call create_task_copyfn if srecord_type is needed.  Adjust
+       sender_decl type.
+       (task_shared_vars): New variable.
+       (check_omp_nesting_restrictions): Warn if work-sharing,
+       barrier, master or ordered region is closely nested inside OMP_TASK.
+       Add warnings for barrier if closely nested inside of work-sharing,
+       ordered, or master region.
+       (scan_omp_1): Call check_omp_nesting_restrictions even for
+       GOMP_barrier calls.  Rename parallel_nesting_level to
+       taskreg_nesting_level.  Handle OMP_TASK.
+       (lower_lastprivate_clauses): Even if some lastprivate is found on a
+       work-sharing construct, continue looking for them on parent parallel
+       construct.
+       (lower_omp_for_lastprivate): Add lastprivate clauses
+       to the beginning of dlist rather than end.  Adjust for struct
+       omp_for_data changes.
+       (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
+       not after it.  Handle collapsed OMP_FOR loops, adjust for
+       OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
+       (get_ws_args_for): Adjust extract_omp_for_data caller.
+       (scan_omp_for): Handle collapsed OMP_FOR
+       loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
+       (lower_omp_single_simple): If libgomp function doesn't return
+       boolean_type_node, add comparison of the return value with 0.
+       (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
+       loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
+       (parallel_nesting_level): Rename to...
+       (taskreg_nesting_level): ... this.
+       (is_taskreg_ctx): New function.
+       (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
+       of is_parallel_ctx.
+       (execute_lower_omp): Rename parallel_nesting_level to
+       taskreg_nesting_level.
+       (expand_omp_parallel): Rename to...
+       (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
+       Call omp_task_call for OMP_TASK regions.
+       (expand_omp): Adjust caller, handle OMP_TASK.
+       (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
+
+       * bitmap.c (bitmap_default_obstack_depth): New variable.
+       (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
+       if argument is NULL and bitmap_default_obstack is already initialized.
+       * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
+       at the end.
+       * matrix-reorg.c (matrix_reorg): Likewise.
+
+2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*indirect_jump): Macroize using P
+       mode iterator.  Remove !TARGET_64BIT from insn constraints.
+       (*tablejump_1): Ditto.
+       (*indirect_jump_rex64): Remove insn pattern.
+       (*tablejump_1_rex64): Ditto.
+       (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
+       and eh_return_si insn patterns.
+
+2008-06-06  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (merge_smts_into): Remove.
+       (find_what_p_points_to): Do not bother to compute the
+       points-to set for pt_anything pointers.
+       * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
+       for pt_anything pointers is ok.
+
+2008-06-06  Jan Hubicka  <jh@suse.cz>
+
+       * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
+
+2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * cgraph.c: Fix typos in comments.
+       (cgraph_availability_names): Fix string typo.
+       * fold-const.c: Fix typos in comments.
+       (fold_binary): Fix typo in warning.
+       * genautomata.c: Fix typos in comments.
+       (check_presence_pattern_sets): Fix typo in local variable.
+       (output_description): Fix typo in output.
+       * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
+       * hwint.h: Likewise.
+       * matrix-reorg.c (check_allocation_function): Likewise.
+       * omega.c (smooth_weird_equations): Likewise.
+       * auto-inc-dec.c: Fix typos in comments.
+       * bb-reorder.c: Likewise.
+       * builtins.c: Likewise.
+       * c-common.c: Likewise.
+       * c-cppbuiltin.c: Likewise.
+       * c-parser.c: Likewise.
+       * c-pretty-print.c: Likewise.
+       * cfgcleanup.c: Likewise.
+       * cfgexpand.c: Likewise.
+       * cfghooks.c: Likewise.
+       * cfglayout.c: Likewise.
+       * cfgloopmanip.c: Likewise.
+       * cgraphunit.c: Likewise.
+       * coverage.c: Likewise.
+       * dbxout.c: Likewise.
+       * df-byte-scan.c: Likewise.
+       * df-core.c: Likewise.
+       * df-problems.c: Likewise.
+       * df-scan.c: Likewise.
+       * dfp.c: Likewise.
+       * dominance.c: Likewise.
+       * domwalk.c: Likewise.
+       * dse.c: Likewise.
+       * dwarf2out.c: Likewise.
+       * emit-rtl.c: Likewise.
+       * et-forest.c: Likewise.
+       * function.c: Likewise.
+       * function.h: Likewise.
+       * gcc.c: Likewise.
+       * gcov-io.c: Likewise.
+       * gcov.c: Likewise.
+       * gcse.c: Likewise.
+       * genattrtab.c: Likewise.
+       * ggc-page.c: Likewise.
+       * gimplify.c: Likewise.
+       * gthr-lynx.h: Likewise.
+       * haifa-sched.c: Likewise.
+       * ipa-cp.c: Likewise.
+       * ipa-inline.c: Likewise.
+       * ipa-prop.h: Likewise.
+       * ipa-pure-const.c: Likewise.
+       * ipa-struct-reorg.c: Likewise.
+       * ipa-struct-reorg.h: Likewise.
+       * ipa-type-escape.c: Likewise.
+       * ipa.c: Likewise.
+       * loop-doloop.c: Likewise.
+       * mips-tfile.c: Likewise.
+       * mkmap-flat.awk: Likewise.
+       * mkmap-symver.awk: Likewise.
+       * modulo-sched.c: Likewise.
+       * omp-low.c: Likewise.
+       * optabs.c: Likewise.
+       * optabs.h: Likewise.
+       * opts.c: Likewise.
+       * passes.c: Likewise.
+       * postreload-gcse.c: Likewise.
+       * postreload.c: Likewise.
+       * predict.c: Likewise.
+       * pretty-print.h: Likewise.
+       * profile.c: Likewise.
+       * protoize.c: Likewise.
+       * ra-conflict.c: Likewise.
+       * real.c: Likewise.
+       * recog.c: Likewise.
+       * regclass.c: Likewise.
+       * regs.h: Likewise.
+       * reload.c: Likewise.
+       * rtl-error.c: Likewise.
+       * rtlanal.c: Likewise.
+       * scan.h: Likewise.
+       * sched-rgn.c: Likewise.
+       * see.c: Likewise.
+       * stmt.c: Likewise.
+       * target.h: Likewise.
+       * tree-dfa.c: Likewise.
+       * tree-eh.c: Likewise.
+       * tree-flow-inline.h: Likewise.
+       * tree-inline.c: Likewise.
+       * tree-into-ssa.c: Likewise.
+       * tree-loop-distribution.c: Likewise.
+       * tree-nested.c: Likewise.
+       * tree-parloops.c: Likewise.
+       * tree-pass.h: Likewise.
+       * tree-pretty-print.c: Likewise.
+       * tree-profile.c: Likewise.
+       * tree-scalar-evolution.c: Likewise.
+       * tree-sra.c: Likewise.
+       * tree-ssa-alias-warnings.c: Likewise.
+       * tree-ssa-ccp.c: Likewise.
+       * tree-ssa-coalesce.c: Likewise.
+       * tree-ssa-dom.c: Likewise.
+       * tree-ssa-dse.c: Likewise.
+       * tree-ssa-forwprop.c: Likewise.
+       * tree-ssa-live.c: Likewise.
+       * tree-ssa-live.h: Likewise.
+       * tree-ssa-loop-im.c: Likewise.
+       * tree-ssa-loop-ivopts.c: Likewise.
+       * tree-ssa-loop-niter.c: Likewise.
+       * tree-ssa-loop-prefetch.c: Likewise.
+       * tree-ssa-phiopt.c: Likewise.
+       * tree-ssa-phiprop.c: Likewise.
+       * tree-ssa-sccvn.c: Likewise.
+       * tree-ssa-ter.c: Likewise.
+       * tree-ssa-threadupdate.c: Likewise.
+       * tree-ssa.c: Likewise.
+       * tree-vect-analyze.c: Likewise.
+       * tree-vect-transform.c: Likewise.
+       * tree-vectorizer.c: Likewise.
+       * tree-vn.c: Likewise.
+       * tree-vrp.c: Likewise.
+       * tree.c: Likewise.
+       * tree.def: Likewise.
+       * tree.h: Likewise.
+       * unwind-dw2-fde.c: Likewise.
+       * unwind.inc: Likewise.
+       * value-prof.c: Likewise.
+       * vmsdbgout.c: Likewise.
+
+2008-06-05  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
+       always place FP constants in the TOC for TARGET_POWERPC64.
+       * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
+
+2008-06-05  Joseph Myers  <joseph@codesourcery.com>
+
+       * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
+       * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
+       enable for TARGET_E500_DOUBLE.
+       (*movdd_softfloat32): Also enable for !TARGET_FPRS.
+       * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
+       floating-point modes like integer modes for E500 double.
+       (rs6000_legitimate_offset_address_p): Likewise.
+       (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
+       addressing for DDmode for E500 double.
+       (rs6000_hard_regno_nregs): Do not treat decimal floating-point
+       modes as using 64-bits of registers for E500 double.
+       (spe_build_register_parallel): Do not handle DDmode or TDmode.
+       (rs6000_spe_function_arg): Do not handle DDmode or TDmode
+       specially for E500 double.
+       (function_arg): Do not call rs6000_spe_function_arg for DDmode or
+       TDmode for E500 double.
+       (rs6000_gimplify_va_arg): Only handle SDmode in registers
+       specially if TARGET_HARD_FLOAT && TARGET_FPRS.
+       (rs6000_split_multireg_move): Do not handle TDmode specially for
+       E500 double.
+       (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
+       using 64-bit registers for E500 double.
+       (emit_frame_save): Do not handle DDmode specially for E500 double.
+       (gen_frame_mem_offset): Likewise.
+       (rs6000_function_value): Do not call spe_build_register_parallel
+       for DDmode or TDmode.
+       (rs6000_libcall_value): Likewise.
+       * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
+       DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
+       for E500 double.
+
+2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
+       in comments.
+
+2008-06-04  Junjie Gu <jgu@tensilica.com>
+
+       * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
+       comparison for frame pointers.
+
+2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
+
+       PR target/27386
+       * config/avr/avr.h (PUSH_ROUNDING): Remove.
+
+2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
+
+       PR target/30243
+       * builtins.c (expand_builtin_signbit): Don't take lowpart when
+       register is already smaller or equal to required mode. 
+
+2008-06-04  Xinliang David Li  <davidxl@google.com>
+
+       * tree-call-cdce.c: New file. 
+       (cond_dead_built_in_calls): New static variable.
+       (input_domain): New struct.
+       (check_pow): New function.
+       (check_builtin_call): Ditto.
+       (check_target_format): Ditto.
+       (is_call_dce_candidate): Ditto.
+       (gen_one_condition): Ditto.
+       (gen_conditions_for_domain): Ditto.
+       (get_domain): Ditto.
+       (gen_conditions_for_pow_cst_base): Ditto.
+       (gen_conditions_for_pow_int_base): Ditto.
+       (gen_conditions_for_pow): Ditto.
+       (get_no_error_domain): Ditto.
+       (gen_shrink_wrap_conditions): Ditto.
+       (shrink_wrap_one_built_in_call): Ditto.
+       (shink_wrap_conditional_dead_built_in_calls): Ditto.
+       (tree_call_cdce): Ditto.
+       (gate_call_cdce): Ditto.
+       (pass_call_cdce): New gimple pass.
+       * passes.c: (init_optimization_passes): New pass.
+       * tree-pass.h: New pass declaration.
+       * opts.c (decode_options): New flag setting.
+       * common.opt: Add -ftree-builtin-call-dce flag.
+       * Makefile.in: Add new source file.
+       * tempvar.def: New tv_id.
+       * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
+
+2008-06-04  Richard Guenther  <rguenther@suse.de>
+
+       * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
+       (is_call_clobbered): Always check var_ann->call_clobbered.
+       (mark_call_clobbered): Always set var_ann->call_clobbered.
+       (clear_call_clobbered): Always clear var_ann->call_clobbered.
+       * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
+       (reset_alias_info): Clear call clobbering info on MTAGs and
+       globals as well.
+       (set_pt_anything): Set pt_global_mem.
+       (create_tag_raw): Adjust comment.
+       (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
+
+2008-06-04  Joseph Myers  <joseph@codesourcery.com>
+           Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+       * config/m68k/m68k.opt (mxgot): New option.
+       * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
+       (m68k_output_addr_const_extra): New.
+       * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
+       * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
+       * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
+       * doc/invoke.texi (M680x0 Options): Document -mxgot.
+
+2008-06-04  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
+       negative or non-representable offsets.
+
+2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_gen_leave): New.
+       (ix86_gen_pop1): Likewise.
+       (ix86_gen_add3): Likewise.
+       (ix86_gen_sub3): Likewise.
+       (ix86_gen_sub3_carry): Likewise.
+       (ix86_gen_one_cmpl2): Likewise.
+       (ix86_gen_monitor): Likewise.
+       (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
+       ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
+       ix86_gen_one_cmpl2 and ix86_gen_monitor.
+       (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
+       (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
+       mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
+       (ix86_expand_epilogue): Updated.
+       (print_operand): Handle integer register operand for 'z'.
+       (ix86_expand_strlensi_unroll_1): Likewise.
+       (ix86_expand_strlen): Likewise.
+       (ix86_expand_builtin): Likewise.
+       (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
+       mov{q}/mov{l} and add{q}/add{l}.
+
+2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/i386.md (P): New mode iterator.
+       (SFmode push_operand splitter): Macroize DImode and SImode pushes
+       using P mode iterator.
+       (DFmode push_operand splitter): Ditto.
+       (XFmode push_operand splitter): Ditto.
+       (DFmode float_extend SFmode push_operand splitter): Ditto.
+       (XFmode float_extend SFmode push_operand splitter): Do not generate
+       SImode pushes for 64bit target.  Macroize Dimode and SImode
+       pushes using P mode iterator.
+       (XFmode float_extend DFmode push_operand splitter): Ditto.
+
+2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
+       * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
+       * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
+       return type to int.
+       (ix86_call_abi_override): Remove check for call_used_regs.
+
+2008-06-03  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (find_func_aliases): Add constraints
+       for the lhs of calls if the return type contains pointers.
+
+2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
+
+       * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
+       * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
+       * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
+       * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
+       of cfun and DEFAULT_ABI to deceide abi mode.
+       (DEFAULT_ABI): New.
+       (REG_PARM_STACK_SPACE): Removed.
+       (OUTGOING_REG_PARM_STACK_SPACE): Removed.
+       (STACK_BOUNDARY): Use default target to deceide stack boundary.
+       * config/i386/i386-protos.h (ix86_cfun_abi): New.
+       (ix86_function_abi): Likewise.
+       (ix86_function_type_abi): Likewise.
+       (ix86_call_abi_override): Likewise.
+       * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
+       specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
+       * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
+       (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
+       specific defines.
+       (X86_64_REGPARM_MAX): New.
+       (X86_64_SSE_REGPARM_MAX): New.
+       (X64_REGPARM_MAX): New.
+       (X64_SSE_REGPARM_MAX): New.
+       (X86_32_REGPARM_MAX): New.
+       (X86_32_SSE_REGPARM_MAX): New.
+       (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
+       (ix86_function_regparm): Handle user calling abi.
+       (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
+       by DEFAULT_ABI versus SYSV_ABI check.
+       (ix86_reg_parm_stack_space): New.
+       (ix86_function_type_abi): New.
+       (ix86_call_abi_override): New.
+       (ix86_function_abi): New.
+       (ix86_cfun_abi): New.
+       (init_cumulative_args): Call abi specific initialization.
+       (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
+       (function_arg_64): Extend SSE_REGPARM_MAX check.
+       (function_arg (): Remove TARGET_64BIT_MS_ABI.
+       (ix86_pass_by_reference): Likewise.
+       (ix86_function_value_regno_p): Likewise.
+       (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
+       (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
+       (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
+       (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
+       (setup_incoming_varargs_64): Adjust regparm for call abi.
+       (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
+       (ix86_va_start): Likewise.
+       (ix86_gimplify_va_arg): Likewise.
+       (ix86_expand_prologue): Likewise.
+       (output_pic_addr_const): Likewise.
+       (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
+       (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
+       (x86_output_mi_thunk): Likewise.
+       (x86_function_profiler): Likewise.
+       * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
+       (SYSV_ABI, MS_ABI): New constants.
+       (DEFAULT_ABI): New.
+       (init_regs): Add prototype of function in regclass.c file.
+       (OVERRIDE_ABI_FORMAT): New.
+       (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
+       (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
+       (OUTGOING_REG_PARM_STACK_SPACE): New.
+       (ix86_reg_parm_stack_space): New prototype.
+       (CUMULATIVE_ARGS): Add call_abi member.
+       (machine_function): Add call_abi member.
+       * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
+       TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
+
+2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
+
+       PR target/34879
+       * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
+       (avr_builtin_setjmp_frame_value): New function.
+       * config/avr/avr.md (nonlocal_goto_receiver): Define.
+       (nonlocal_goto): Define.
+
+2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips.c (mips_emit_loadgp): Return early if
+       there is nothing do to, otherwise emit a blockage if
+       !TARGET_EXPLICIT_RELOCS || crtl->profile.
+       * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
+
+2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * configure.ac: Drop unneeded backslash ending up in config.in.
+       * acinclude.m4: Likewise.
+       * config.in: Regenerate.
+
+2008-05-26  Jan Hubicka  <jh@suse.cz>
+
+       * predict.c (maybe_hot_frequency_p): Break out of...
+       (maybe_hot_bb_p): ... here.
+       (maybe_hot_edge_p): New.
+       * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
+       * basic-block.h (maybe_hot_edge_p): Declare.
+
+2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
+       (*cmpfp_<mode>_cc): Ditto.
+       (*fp_jcc_8<mode>_387): Ditto.
+       (*fop_<MODEF:mode>_2_i387): Ditto.
+       (*fop_<MODEF:mode>_3_i387): Ditto.
+       (*fop_xf_2_i387): Ditto.
+       (*fop_xf_3_i387): Ditto.
+
+2008-06-02  Tomas Bily  <tbily@suse.cz>
+
+       * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
+
+2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips.c (mips_valid_offset_p): New function.
+       (mips_valid_lo_sum_p): Likewise.
+       (mips_classify_address): Use them.
+       (mips_force_address): New function.
+       (mips_legitimize_address): Use it.
+       * config/mips/mips.md (MOVE128): New mode iterator.
+       (movtf): Require TARGET_64BIT.  Remove empty strings.
+       (*movtf_internal): Rename to...
+       (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
+       of "R" and use {,fp}{load,store} attributes instead of "multi".
+       Use a separate define_split.
+       (*movtf_mips16): New pattern.
+
+2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * config/mips/mips-protos.h (mips_expand_before_return): Declare.
+       * config/mips/mips.c (mips_expand_before_return): New function.
+       (mips_expand_epilogue): Call it.
+       * config/mips/mips.md (return): Turn into a define_expand.
+       (*return): New insn.
+
+2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
+       * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
+       functions.  Do not emit uses and clobbers of CONCATs; individually
+       use and clobber their operands.
+       * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
+       gen_clobber, emit_use and gen_use.
+       (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
+       (expand_builtin_return): Likewise.
+       * cfgbuild.c (count_basic_blocks): Likewise.
+       * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
+       * explow.c (emit_stack_restore): Likewise.
+       * expmed.c (extract_bit_field_1): Likewise.
+       * expr.c (convert_move, emit_move_complex_parts): Likewise.
+       (emit_move_multi_word, store_constructor): Likewise.
+       * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
+       (thread_prologue_and_epilogue_insns): Likewise.
+       * lower-subreg.c (resolve_simple_move): Likewise.
+       * optabs.c (widen_operand, expand_binop): Likewise.
+       (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
+       * reload.c (find_reloads): Likewise.
+       * reload1.c (eliminate_regs_in_insn): Likewise.
+       * stmt.c (expand_nl_goto_receiver): Likewise.
+       * config/alpha/alpha.md (builtin_longjmp): Likewise.
+       * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
+       * config/arm/arm.c (arm_load_pic_register): Likewise.
+       (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
+       * config/arm/arm.md (untyped_return): Likewise.
+       * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
+       * config/avr/avr.c (expand_prologue): Likewise.
+       * config/bfin/bfin.c (do_unlink): Likewise.
+       * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
+       * config/cris/cris.c (cris_expand_prologue): Likewise.
+       * config/darwin.c (machopic_indirect_data_reference): Likewise.
+       (machopic_legitimize_pic_address): Likewise.
+       * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
+       (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
+       * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
+       (ix86_expand_convert_uns_didf_sse): Likewise.
+       (ix86_expand_vector_init_general): Likewise.
+       * config/ia64/ia64.md (eh_epilogue): Likewise.
+       * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
+       * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
+       * config/m32r/m32r.c (m32r_reload_lr): Likewise.
+       (config/iq2000/iq2000.c): Likewise.
+       * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
+       (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
+       (builtin_longjmp): Likewise.
+       * config/mn10300/mn10300.md (call, call_value): Likewise.
+       * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
+       * config/pdp11/pdp11.md (abshi2): Likewise.
+       * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
+       * config/s390/s390.c (s390_emit_prologue): Likewise.
+       * config/s390/s390.md (movmem_long, setmem_long): Likewise.
+       (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
+       (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
+       * config/sh/sh.c (prepare_move_operands): Likewise.
+       (output_stack_adjust, sh_expand_epilogue): Likewise.
+       (sh_set_return_address, sh_expand_t_scc): Likewise.
+       * config/sparc/sparc.c (load_pic_register): Likewise.
+       * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
+       * config/spu/spu.c (spu_expand_epilogue): Likewise.
+       * config/v850/v850.c (expand_epilogue): Likewise.
+
+2008-05-31  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
+       (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
+       (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
+       * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
+       movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
+       stack pointer register.
+       (output_movhi): Remove code for interrupt specific writing to the 
+       stack pointer register.
+
+2008-05-31  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/34244
+       * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
+       (tree_expr_nonzero_warnv_p): Likewise.
+       * tree-vrp.c (vrp_expr_computes_nonnegative): Call
+       ssa_name_nonnegative_p.
+       (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
+       (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
+       not tree_expr_nonzero_warnv_p.
+
+       PR tree-optimization/36262
+       Revert
+       2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
+
+       PR tree-optimization/34244
+       * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
+       (record_numbers_of_iterations): New function.
+       (execute_vrp): Cache the numbers of iterations of loops.
+       * tree-scalar-evolution.c (scev_reset_except_niters):
+       New function.
+       (scev_reset): Use scev_reset_except_niters.
+       * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
+
+2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+       __WORKAROUND_RETS when appropriate.
+
+2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
+       *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
+       mode iterator.
+       (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
+       *fop_df_comm_sse insn patterns using MODEF mode iterator.
+       (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
+       *fop_df_comm_i387 insn patterns using MODEF mode iterator.
+       (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
+       *fop_df_1_mixed insn patterns using MODEF mode iterator.
+       (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
+       *fop_df_1_sse insn patterns using MODEF mode iterator.
+       (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
+       *fop_df_1_i387 insn patterns using MODEF mode iterator.
+       (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
+       *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
+       (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
+       *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
+       (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
+       (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
+       (*fop_xf_4_i387): Use <MODE> for mode attribute.
+       (*fop_xf_5_i387): Ditto.
+       (*fop_xf_6_i387): Ditto.
+
+2008-05-30  Richard Guenther  <rguenther@suse.de>
+
+       * builtins.c (build_string_literal): Avoid generating
+       a non-gimple_val result.
+
+2008-05-30  DJ Delorie  <dj@redhat.com>
+
+       * exec-tool.in: Use an environment variable (private) instead of a
+       file (shared) as a semaphore, so as to not break parallel builds.
+
+2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
+
+       * optabs.c (maybe_encapsulate_block): Remove.
+       (emit_libcall_block): Adjust accordingly.
+       * optabs.h (maybe_encapsulate_block): Remove prototype.
+
+       * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
+       Don't use maybe_encapsulate_block.
+
+2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
+
+       * config/rs6000/rs6000.c (rs6000_legitimize_address,
+       rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
+       rtx is a SYMBOL_REF before calling get_pool_constant.
+
+2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
+
+2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
+
+       * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
+       rather than OS names to choose INO_T_EQ definition.
+       (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
+       (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
+
+2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
+
+       PR target/36348
+       * config/darwin-f.c: New.
+       * config/t-darwin: Added rule to build darwin-f.o.
+       * config.gcc: Defined new variable, fortran_target_objs.
+       (*-*-darwin*): Set fortran_target_objs.
+       * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
+       * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
+       * configure: Regenerated.
+
+2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/35771
+       * config/i386/i386.c (ix86_function_arg_boundary): Convert to
+       canonical type if needed.
+
+2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
+
+2008-05-29  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/36343
+       PR tree-optimization/36346
+       PR tree-optimization/36347
+       * tree-flow.h (clobber_what_p_points_to): Declare.
+       * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
+       pointed-to variable is dereferenced is irrelevant to whether
+       the pointer can access the pointed-to variable.
+       (clobber_what_p_points_to): New function.
+       * tree-ssa-alias.c (set_initial_properties): Use it.
+       * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
+       call clobber check for NMTs.
+
+2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
+       
+       * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
+       for printing gcov_type.
+
+2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
+
+       * tree-ssa-propagate.c (set_rhs): Preserve the histogram
+       and the eh region information.
+       * value-prof.c (gimple_move_stmt_histograms): New function.
+       * value-prof.h (gimple_move_stmt_histograms): New function declaration.
+
+2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
+
+       * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
+
+2008-05-28  Seongbae Park <seongbae.park@gmail.com>
+
+       * value-prof.c (tree_ic_transform): Print counts.
+       * tree-profile.c (tree_gen_ic_func_profiler):
+       Clear __gcov_indreict_call_callee variable to avoid misattribution
+       of the profile.
+
+2008-05-28  Rafael Espindola  <espindola@google.com>
+
+       * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
+       invalid sharing.
+
+2008-05-28  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/36339
+       * tree-ssa-alias.c (set_initial_properties): Move pt_anything
+       and clobbering code out of the loop.
+
+2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
+       letters defined.
+
+       * config/s390/s390.c (s390_compare_and_branch_condition_mask,
+       s390_contiguous_bitmask_p, s390_symref_operand_p,
+       s390_check_symref_alignment, s390_reload_larl_operand,
+       s390_reload_symref_address): New functions.
+       (s390_branch_condition_mnemonic): Support compare and branch
+       instructions.
+       (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
+       and 'W' constraints.
+       (s390_secondary_reload): Add secondary reloads for unaligned
+       symbol refs or symbol refs to floating point or QI/TI mode
+       integer values.
+       (legitimate_address_p): Accept symbol references as addresses.
+       (s390_expand_insv): Use rotate and insert selected bits
+       instruction for insv when building for z10.
+       (print_operand_address): Handle symbol ref addresses.
+       (print_operand): Output modifier 'c' added for signed byte values.
+       (s390_encode_section_info): Mark symbol refs with
+       SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
+
+       * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
+       (length attribute): RRF, RRR have 4 byte length.
+       (FPALL, INTALL): New mode iterators added.
+       (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
+       *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
+       *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
+       *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
+       *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
+       *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
+       *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
+       *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
+       instructions.
+       (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
+       *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
+       *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
+       reload<INTALL:mode><P:mode>_toreg_z10,
+       reload<FPALL:mode><P:mode>_tomem_z10,
+       reload<FPALL:mode><P:mode>_toreg_z10,
+       reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
+       *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
+       *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
+       *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
+       definition.
+       (movmem, clrmem, cmpmem): New splitters added.
+
+       * config/s390/predicates.md (larl_operand): Use
+       SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
+       SYMBOL_REF_ALIGN1_P.
+       (s390_signed_integer_comparison,
+       s390_unsigned_integer_comparison): New predicates.
+
+       * config/s390/s390-protos.h (s390_check_symref_alignment,
+       s390_contiguous_bitmask_p, s390_reload_larl_operand,
+       s390_reload_symref_address,
+       s390_compare_and_branch_condition_mask): Prototypes added.
+
+       * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
+       SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
+       SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
+
+2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * config/s390/s390.c (z10_cost): New cost function for z10.
+       (s390_handle_arch_option, override_options): Support -march=z10 switch.
+       (s390_issue_rate): Adjust issue rate for z10.
+       * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
+       (processor_flags): Add PF_Z10.
+       (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
+       * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
+       * gcc/config.gcc: Add z10.
+
+2008-05-28  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/36291
+       * tree-flow. h (struct gimple_df): Remove var_anns member.
+       * tree-flow-inline.h (gimple_var_anns): Remove.
+       (var_ann): Simplify.
+       * tree-dfa.c (create_var_ann): Simplify.
+       (remove_referenced_var): Clear alias info from var_anns of globals.
+       * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
+       (delete_tree_ssa): Clear alias info from var_anns of globals.
+       Do not free var_anns.
+       (var_ann_eq): Remove.
+       (var_ann_hash): Likewise.
+
+2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
+
+       * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
+       and loongson2f entries.
+       (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
+       * config/mips/mips.h (processor_type): Add Loongson-2E
+       and Loongson-2F entries.
+       (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
+       (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
+       * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
+       * doc/invoke.texi (MIPS Options): Document loongson2e
+       and loongson2f processor names.
+
+2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR target/35767
+       PR target/35771
+       * config/i386/i386.c (ix86_function_arg_boundary): Use
+       alignment of canonical type.
+       (ix86_expand_vector_move): Check unaligned memory access for
+       all SSE modes.
+
+2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
+       Moved to the front of file.
+
 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>
 
 2008-05-27  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/36245
-       * tree-ssa-address.c (add_to_parts): Deal with non-pointer
-       bases.
+       * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
 
 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
 
        alternatives according to the "enabled" attribute
        * recog.h (struct recog_data): New field alternative_enabled_p.
        (skip_alternative): New inline function.
-       * regclass.c: (record_operand_costs): Check the "enabled"
-       attribute.
+       * regclass.c: (record_operand_costs): Check the "enabled" attribute.
        (record_reg_classes): Skip alternative according to the
        "enabled" attribute.
 
        * recog.c (asm_operand_ok, preprocess_constraints,
        constrain_operands): Likewise.
        * regclass.c (record_reg_classes): Likewise.
-       * reload.c (find_reloads, alternative_allows_const_pool_ref):
-       Likewise.
+       * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
        * reload1.c (maybe_fix_stack_asms): Likewise.
-       * stmt.c (parse_output_constraint, parse_input_constraint):
-       Likewise.
+       * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
        * recog.h: Adjust comment.
        * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
-       * genoutput.c (note_constraint): Don't emit error for 'm'
-       constraint.
+       * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
        * doc/md.texi: Add a note to description of 'm' constraint.
        * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
 
        (cgraph_decide_inlining_incrementally): Likewise.
 
 2008-05-26  Tristan Gingold  <gingold@adacore.com>
-            Anatoly Sokolov  <aesok@post.ru>
+           Anatoly Sokolov  <aesok@post.ru>
 
        * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
        instead of pm_lo8/pm_hi8 to makes this call working on avr6.
 2008-05-26  Richard Guenther  <rguenther@suse.de>
 
        * tree-ssa-sccvn.c (expr_has_constants): Declare.
-       (visit_reference_op_load): Initialize VN_INFO->has_constants
-       properly.
+       (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
 
 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR middle-end/36253
-       * caller-save.c (insert_restore): Verify alignment of spill
-       space.
+       * caller-save.c (insert_restore): Verify alignment of spill space.
        (insert_save): Likewise.
-
        * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
-
        * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
        (STACK_SLOT_ALIGNMENT): Likewise.
-
        * function.c (LOCAL_ALIGNMENT): Removed.
        (get_stack_local_alignment): New.
        (assign_stack_local): Use it.  Set alignment on stack slot.
        (assign_stack_temp_for_type): Use get_stack_local_alignment.
-
        * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
        (STACK_SLOT_ALIGNMENT): New.
-
        * config/i386/i386.c (ix86_local_alignment): Handle caller-save
        stack slot in XFmode.
 
 
 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 
-        * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
+       * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
        build a trampoline if we don't want one.
        * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
        return zero for nested functions if we don't want a trampoline.
 
 2008-05-24  Richard Guenther  <rguenther@suse.de>
 
-       * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
-       a scalar variable can be only accessed through a pointer
-       or a union.
+       * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
+       variable can be only accessed through a pointer or a union.
 
 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
        * target.h (gcc_target): Add allocate_stack_slots_for_args.
        * function.c (use_register_for_decl): Use
        targetm.calls.allocate_stack_slots_for_args.
-       * target-def.h (TARGET_CALLS): Add 
-       TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
-       * config/arm/arm.c (arm_allocate_stack_slots_for_args): 
-       New function.
+       * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
+       * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
        (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
 
 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
 
 2008-05-23  Richard Guenther  <rguenther@suse.de>
 
-       * tree-ssa-operands.c (mark_difference_for_renaming): Use
-       bitmap_xor.
+       * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
 
 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>
 
        * doc/install.texi (Options specification): Document --enable-cld.
        * doc/invoke.texi (Machine Dependent Options)
-        [i386 and x86-64 Options]: Add -mcld option.
-        (Intel 386 and AMD x86-64 Options): Document -mcld option.
+       [i386 and x86-64 Options]: Add -mcld option.
+       (Intel 386 and AMD x86-64 Options): Document -mcld option.
 
 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
        * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
        parameter.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
        (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
-       (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
-       MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
+       (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
        MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
        MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
        MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
        MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
        MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
        MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
-       MIPS_SYNC_EXCHANGE_12_ZERO_OP,
-       MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
+       MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
+       New macros.
 
 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
 
 
        * config/i386/i386.c (ix86_expand_vector_init_concat): New.
        (ix86_expand_vector_init_interleave): Likewise.
-       (ix86_expand_vector_init_general): Use them.  Assert word_mode
-       == SImode when n_words == 4.
+       (ix86_expand_vector_init_general): Use them.  Assert
+       word_mode == SImode when n_words == 4.
 
 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>