+2008-06-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
+ (DF_REF_INSN_INFO): New.
+ (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
+ (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
+ with a NULL DF_REF_INSN_INFO.
+ (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
+ DF_INSN_SET.
+ (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
+ DF_INSN_INFO_EQ_USES): New.
+ (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
+ DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
+ DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
+ * df-core.c: Update comment for above changes.
+ (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
+ DF_INSN_UID_* macros.
+ (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
+ * df-scan.c (df_ref_record): Take a df_insn_info instead of an
+ insn rtx. Update all callers.
+ (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
+ df_ref_create_structure, df_insn_refs_collect): Likewise.
+ (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
+ * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
+ (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
+ macros to access the insn refs.
+ (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
+ * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
+ (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
+ for accessing the refs.
+ (try_fwprop_subst): Likewise.
+ * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
+ * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
+ for accessing the refs.
+ * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
+ (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
+ to look at the insn refs.
+ (record_uses): Likewise.
+ * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
+ function anymore.
+ (mark_artificial_uses): Don't mark_insn for artificial refs.
+ (mark_reg_rependencies): Likewise.
+
+ * doc/rtl.texi: Remove documentation of ADDRESSOF.
+
+2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * configure: Regenerate.
+
+2008-06-17 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2008-06-17 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_t): Add attiny167.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
+ * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2008-06-17 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2008-06-17 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * tree-ssa-sccvn.c: Fix format of comments.
+
+2008-06-17 Bernhard Fischer <aldot@gcc.gnu.org>
+
+ * cgraph.c: Remove unneeded forward declarations of eq_node()
+ and hash_node().
+
+2008-06-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
+ REG_RETVAL notes.
+ (see_update_relevancy): Likewise.
+ * fwprop.c (try_fwprop_subst): Likewise.
+ * rtlanal.c (noop_move_p): Likewise.
+ * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
+ notes to non-existing libcall blocks.
+ * cse.c (cse_insn): Change prototype. Don't update libcall notes.
+ Remove orig_set.
+ (cse_extended_basic_block): Don't track libcall and no-conflict notes.
+ (dead_libcall_p): Remove.
+ (delete_trivially_dead_insns): Don't use it.
+ * web.c (union_defs): Remove comment about keeping nops.
+ * gcse.c (hash_scan_insn): Don't take libcall pointers.
+ (compute_hash_table_work): Don't track libcall notes.
+ (do_local_cprop): Don't take libcall pointers. Don't update
+ libcall notes.
+ (adjust_libcall_notes): Deleted.
+ (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
+ ever have existed in the first place).
+ (replace_store_insn): Don't try to remove libcall notes.
+ * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
+ (resolve_reg_notes): Don't call them.
+ (resolve_simple_move): Likewise.
+ (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
+ Don't remove REG_RETVAL notes.
+ * emit-rtl.c (try_split): Don't update libcall notes.
+ (emit_copy_of_insn_after): Dito.
+ * cselib.c (cselib_current_insn_in_libcall): Remove.
+ (cselib_process_insn): Don't set/clear it.
+ (new_elt_loc_list): Don't record it.
+ (cselib_init): Don't initialize it.
+ * cselib.c (struct elt_loc_list): Remove in_libcall field.
+ * loop-invariant.c (find_invariant_insn): Don't look for libcall
+ notes.
+ * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
+ (sched_analyze): Don't set up deps->libcall_block_tail_insn.
+ (init_deps): Don't initialize it.
+ * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
+ * combine.c (delete_noop_moves): Don't update libcall notes.
+ (can_combine_p): Remove now pointless #if 0 block.
+ (try_combine): Remove another obsolete #if 0 block.
+ (distribute_notes): Don't distribute libcall notes.
+ * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
+ * dce.c (libcall_dead_p): Remove.
+ (delete_unmarked_insns): Don't handle libcall blocks.
+ (preserve_libcall_for_dce): Remove.
+ (prescan_insns_for_dce): Don't special-case libcall block insns.
+ * reload1 (reload): Don't handle libcall notes.
+ * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
+ documentation.
+
+2008-06-16 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2008-06-16 Eric B. Weddington <eric.weddington@atmel.com>
+
+ * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
+ * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
+
+2008-06-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
+
+2008-06-16 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/36493
+ * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
+ the arguments list. Use VECTYPE to create vector pointer.
+ (vectorizable_store): Fail if accesses through a pointer to vectype
+ do not alias the original memory reference operands.
+ Call vect_create_data_ref_ptr without the removed argument.
+ (vectorizable_load): Likewise.
+ (vect_setup_realignment): Call vect_create_data_ref_ptr without the
+ removed argument.
+
+2008-06-015 Andy Hutchinson <hutchinsonandy@aim.com>
+
+ PR target/36336
+ * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
+ reg_equiv_constant.
+
+2008-06-15 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/mips/loongson2ef.md: New file.
+ * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
+ (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
+ (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
+ (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
+ (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
+ and loongson_2f.
+ (loongson2ef.md): New include.
+ * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
+ (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
+ (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
+ (loongson_gt_<mode>, loongson_extract_halfword)
+ (loongson_insert_halfword_0, loongson_insert_halfword_2)
+ (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
+ (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
+ (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
+ (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
+ (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
+ (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
+ (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
+ (vec_interleave_low<mode>): Define type attribute.
+ * config/mips/mips.c (mips_ls2): New static variable.
+ (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
+ (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
+ (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
+ Implement target scheduling hooks.
+ (mips_multipass_dfa_lookahead): Update to handle tuning for
+ Loongson 2E/2F.
+ (mips_sched_init): Initialize data for Loongson scheduling.
+ (mips_ls2_variable_issue): New static function.
+ (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
+ Add sanity check.
+ (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
+ (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
+ * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
+ (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
+ Handle ST Loongson 2E/2F cores.
+ (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
+
+2008-06-15 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * omp-low.c (extract_omp_for_data): Fix comment typo.
+ * c.opt: Fix typo.
+
+2008-06-15 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/sourcebuild.texi (Config Fragments): Remove obsolete
+ FIXME note about gcc/config.guess.
+ * doc/options.texi (Option file format): Remove non-ASCII bytes.
+ * doc/cpp.texi: Expand TABs, drop indentation outside examples.
+ * doc/cppopts.texi: Likewise.
+ * doc/extend.texi: Likewise.
+ * doc/gcc.texi: Likewise.
+ * doc/gccint.texi: Likewise.
+ * doc/gcov.texi: Likewise.
+ * doc/gty.texi: Likewise.
+ * doc/hostconfig.texi: Likewise.
+ * doc/install.texi: Likewise.
+ * doc/invoke.texi: Likewise.
+ * doc/loop.texi: Likewise.
+ * doc/makefile.texi: Likewise.
+ * doc/md.texi: Likewise.
+ * doc/passes.texi: Likewise.
+ * doc/tm.texi: Likewise.
+ * doc/tree-ssa.texi: Likewise.
+ * doc/trouble.texi: Likewise.
+
+2008-06-15 Mark Shinwell <shinwell@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+ Maxim Kuvyrkov <maxim@codesourcery.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
+ * config/mips/mips-protos.h (mips_expand_vector_init): New.
+ * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
+ builtins.
+ * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
+ (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
+ (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
+ V8QImode cases.
+ (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
+ (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
+ (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
+ (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
+ (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
+ (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
+ (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
+ (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
+ (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
+ (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
+ (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
+ (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
+ (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
+ (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
+ (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
+ (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
+ (mips_builtins): Add Loongson builtins.
+ (mips_loongson_2ef_bdesc): New.
+ (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
+ (mips_builtin_vector_type): Handle unsigned versions of vector modes.
+ (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
+ (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
+ New.
+ (mips_expand_vector_init): New.
+ * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
+ (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
+ if appropriate.
+ * config/mips/mips.md: Add unspec numbers for Loongson
+ builtins. Include loongson.md.
+ (MOVE64): Include Loongson vector modes.
+ (SPLITF): Include Loongson vector modes.
+ (HALFMODE): Handle Loongson vector modes.
+ * config/mips/loongson.md: New.
+ * config/mips/loongson.h: New.
+ * config.gcc: Add loongson.h header for mips*-*-* targets.
+ * doc/extend.texi (MIPS Loongson Built-in Functions): New.
+
+2008-06-14 Joseph Myers <joseph@codesourcery.com>
+
+ * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
+ h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
+ i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
+ iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
+ m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
+ m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
+ mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
+ mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
+ mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
+ mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
+ powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
+ sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
+ sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
+ sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
+ sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
+ v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
+ Remove use_fixproto=yes.
+ (ia64*-*-hpux*): Remove comment about using fixproto.
+ (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
+
+2008-06-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * configure.ac: Update gthr-default.h lazily, to avoid unneeded
+ library rebuilds.
+ * configure: Regenerate.
+
+2008-06-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/36520
+ * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
+ before evaluating it.
+
+2008-06-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/36507
+ * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
+ nested inline functions.
+ (start_decl, start_function): Don't invert DECL_EXTERNAL
+ for nested inline functions.
+
+2008-06-13 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
+ splits that must be made for correctness.
+
+2008-06-13 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
+ (AVAIL_NON_MIPS16): Likewise.
+ (mips_builtin_description): Replace target_flags with a predicate.
+ (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
+ (dspr2_32): New availability predicates.
+ (MIPS_BUILTIN): New macro.
+ (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
+ (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
+ (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
+ Replace the TARGET_FLAGS parameters with AVAIL parameters.
+ (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
+ (mips_dsp_32only_bdesc): Merge into...
+ (mips_builtins): ...this new array.
+ (mips_bdesc_map, mips_bdesc_arrays): Delete.
+ (mips_init_builtins): Update after above changes.
+ (mips_expand_builtin_1): Merge into...
+ (mips_expand_builtin): ...here and update after above changes.
+
+2008-06-12 Paul Brook <paul@codesourcery.com>
+
+ * longlong.h (__arm__): Define count_leading_zeros.
+ * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
+ (clzsi2, clzdi2): New functions.
+ * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
+ * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
+ * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
+ * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
+
+2008-06-12 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_tune_flags): New.
+ (override_options): Compute m68k_tune_flags.
+ (MULL_COST, MULW_COST): Update for various variants of CFV2.
+ * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
+
+2008-06-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/36506
+ * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus
+ warning.
+
+2008-06-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
+ TREE_THIS_VOLATILE on INDIRECT_REF nodes.
+
+2008-06-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
+ (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
+
+2008-06-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/36506
+ * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
+ reductions.
+
+2008-06-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/36345
+ * tree-flow.h (struct ptr_info_def): Align escape_mask,
+ add memory_tag_needed flag.
+ (may_alias_p): Declare.
+ * tree-ssa-alias.c (may_alias_p): Export.
+ (set_initial_properties): Use memory_tag_needed flag.
+ (update_reference_counts): Likewise.
+ (reset_alias_info): Reset memory_tag_needed flag.
+ (create_name_tags): Check memory_tag_needed flag.
+ (dump_points_to_info_for): Dump it.
+ * tree-ssa-structalias.c (struct variable_info): Remove
+ directly_dereferenced flag.
+ (new_var_info): Do not initialize it.
+ (process_constraint_1): Do not set it.
+ (update_alias_info): Set is_dereferenced flag.
+ (set_uids_in_ptset): Use may_alias_p.
+ (set_used_smts): Check memory_tag_needed flag.
+ (find_what_p_points_to): Likewise. Pass is_dereferenced flag.
+ * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
+ memory_tag_needed flag.
+ * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
+ from broken design.
+
+2008-06-12 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/i386.c (ix86_compute_frame_layout): Disable red zone for
+ w64 abi.
+ (ix86_expand_prologue): Likewise.
+ (ix86_force_to_memory): Likewise.
+ (ix86_free_from_memory): Likewise.
+
+2008-06-11 Edmar Wienskoski <edmar@freescale.com>
+
+ PR target/36425
+ * config/rs6000/rs6000.c (rs6000_override_options): Set
+ rs6000_isel conditionally to the absence of comand line
+ override.
+ * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
+ Remove duplicate rs6000_isel setting.
+ * config/rs6000/eabispe.h: Ditto.
+
+2008-06-11 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (get_alias_set): Use the element alias-set for arrays.
+ (record_component_aliases): For arrays and vectors do nothing.
+ * c-common.c (strict_aliasing_warning): Handle the cases
+ of alias set zero explicitly.
+ * Makefile.in (dfp.o-warn): Add -Wno-error.
+
+2008-06-11 Joseph Myers <joseph@codesourcery.com>
+
+ * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
+ tune_32 tune_64.
+ (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
+ tune_32 tune_64 to supported_defaults. Allow values not
+ supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
+ x86_64. Do not override cpu_32 or cpu_64 values from target name.
+ (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
+ with_cpu_64 to generic for 64-bit-supporting configurations, not
+ with_cpu. Remove FIXMEs.
+ * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
+ --with-arch-64, --with-tune-32, --with-tune-64): Document.
+ * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
+ (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
+ arch_32 and arch_64.
+
+2008-06-11 Eric Botcazou <ebotcazou@adacore.com>
+ Olivier Hainque <hainque@adacore.com>
+
+ * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
+ Use DECL_SIZE_UNIT to retrieve the size of the field.
+
+2008-06-11 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/arm.c (arm_init_neon_builtins): Move initialization
+ with function calls after declarations. Lay out
+ neon_float_type_node before further use.
+
+2008-06-11 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (may_point_to_global_var): Declare.
+ * tree-ssa-alias.c (may_point_to_global_var): New function.
+ * tree-ssa-sink.c (is_hidden_global_store): Use it.
+
+2008-06-10 Kazu Hirata <kazu@codesourcery.com>
+
+ * configure.ac: Teach that fido supports .debug_line.
+ * configure: Regenerate.
+
+2008-06-10 Tom Tromey <tromey@redhat.com>
+
+ * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
+ debug hook.
+
+2008-06-10 Joseph Myers <joseph@codesourcery.com>
+
+ * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
+ (encode_decimal64, decode_decimal64, encode_decimal128,
+ decode_decimal128): Reverse order of 32-bit parts of value if host
+ and target endianness differ.
+
+2008-06-10 Vinodha Ramasamy <vinodha@google.com>
+ * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
+ Avoid division by 0.
+ (tree_mod_pow2_value_transform): Likewise.
+ (tree_ic_transform): Likewise.
+ (tree_stringops_transform): Likewise.
+ (tree_mod_subtract_transform): Likewise.
+ * tree-inline-c (copy_bb): Corrected int type to gcov_type.
+ (copy_edges_for_bb): Likewise.
+ (initialize_cfun): Likewise.
+
+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
* 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.
+ * 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.
(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.
+ * 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>
OSDN Git Service
