+2009-04-07 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
+ (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
+ (ia64_expand_builtin): Likewise.
+
+2009-04-07 Martin Jambor <mjambor@suse.cz>
+
+ * tree-ssa-alias.c (refs_may_alias_p_1): Check for
+ is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
+ ADDR_EXPRS are include too.
+
+2009-04-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
+ decls are only used if passes as parameters or if they are
+ local statics and the call is not to a builtin.
+ (call_may_clobber_ref_p_1): Likewise.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (do_store_flag): Remove last argument. Simplify code
+ to avoid duplication of tests already done by can_compare_p.
+ (expand_expr_real_1): Adjust caller.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * optabs.c (can_compare_p): Test the predicate of a
+ cbranch and cstore pattern.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (convert_move): Use emit_store_flag instead of
+ "emulating" it.
+
+2009-04-07 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.c (ix86_compare_emitted): Remove.
+ (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
+ ix86_compare_op0 like ix86_compare_emitted used to be handled.
+ * config/i386/i386.h (ix86_compare_emitted): Remove.
+ * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
+ instead of ix86_compare_emitted.
+ * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
+
+2009-04-07 Andrew Stubbs <ams@codesourcery.com>
+
+ * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
+ Add t-sysroot-suffix to tmake_file.
+ * config/print-sysroot-suffix.sh: New file.
+ * config/t-sysroot-suffix: New file.
+
+2009-04-07 Ben Elliston <bje@au.ibm.com>
+
+ * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
+ as the latter produces a warning when the target does not support
+ infinity.
+
+2009-04-07 Ben Elliston <bje@au.ibm.com>
+
+ * dfp.c: Replace type punning assignments with memcpy throughout.
+ * Makefile.in (dfp.o-warn): Remove.
+
+2009-04-07 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/39634
+ * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
+ Include soft-fp/t-softfp after rs6000/t-linux64.
+
+2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * stor-layout.c (set_sizetype): Use the full precision of their
+ machine mode for bitsize types.
+
+2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.md: Revert 2 accidental checkins.
+
+2009-04-06 Joey Ye <joey.ye@intel.com>
+ Xuepeng Guo <xuepeng.guo@intel.com>
+ H.J. Lu <hongjiu.lu@intel.com>
+
+ Atom pipeline model, tuning and insn selection.
+ * config.gcc (atom): Add atom config options and target.
+
+ * config/i386/atom.md: New.
+
+ * config/i386/i386.c (atom_cost): New cost.
+ (m_ATOM): New macro flag.
+ (initial_ix86_tune_features): Set m_ATOM.
+ (x86_accumulate_outgoing_args): Likewise.
+ (x86_arch_always_fancy_math_387): Likewise.
+ (processor_target): Add Atom cost.
+ (cpu_names): Add Atom cpu name.
+ (override_options): Set Atom ISA.
+ (ix86_issue_rate): New case PROCESSOR_ATOM.
+ (ix86_adjust_cost): Likewise.
+
+ * config/i386/i386.h (TARGET_ATOM): New target macro.
+ (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
+ (TARGET_OPT_AGU): New target option.
+ (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
+ (processor_type): Add PROCESSOR_ATOM.
+
+ * config/i386/i386.md (cpu): Add new value "atom".
+ (use_carry, movu): New attr.
+ (atom.md): Include atom.md.
+ (adddi3_carry_rex64): Set attr "use_carry".
+ (addqi3_carry): Likewise.
+ (addhi3_carry): Likewise.
+ (addsi3_carry): Likewise.
+ (*addsi3_carry_zext): Likewise.
+ (subdi3_carry_rex64): Likewise.
+ (subqi3_carry): Likewise.
+ (subhi3_carry): Likewise.
+ (subsi3_carry): Likewise.
+ (x86_movdicc_0_m1_rex64): Likewise.
+ (*x86_movdicc_0_m1_se): Likewise.
+ (x86_movsicc_0_m1): Likewise.
+ (*x86_movsicc_0_m1_se): Likewise.
+ (*adddi_1_rex64): Emit add insn as much as possible.
+ (*addsi_1): Likewise.
+ (return_internal): Set atom_unit.
+ (return_internal_long): Likewise.
+ (return_pop_internal): Likewise.
+ (*rcpsf2_sse): Set atom_sse_attr attr.
+ (*qrt<mode>2_sse): Likewise.
+ (*prefetch_sse): Likewise.
+
+ * config/i386/i386-c.c (ix86_target_macros_internal): New case
+ PROCESSOR_ATOM.
+ (ix86_target_macros_internal): Likewise.
+
+ * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
+ (*prefetch_sse_rex): Likewise.
+ (sse_rcpv4sf2): Likewise.
+ (sse_vmrcpv4sf2): Likewise.
+ (sse_sqrtv4sf2): Likewise.
+ (<sse>_vmsqrt<mode>2): Likewise.
+ (sse_ldmxcsr): Likewise.
+ (sse_stmxcsr): Likewise.
+ (*sse_sfence): Likewise.
+ (sse2_clflush): Likewise.
+ (*sse2_mfence): Likewise.
+ (*sse2_lfence): Likewise.
+ (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
+ (<sse>_movup<ssemodesuffixf2c>): Likewise.
+ (avx_movdqu<avxmodesuffix>): Likewise.
+ (avx_lddqu<avxmodesuffix>): Likewise.
+ (sse2_movntv2di): Change attr "type" to "ssemov".
+ (sse2_movntsi): Likewise.
+ (rsqrtv8sf2): Change attr "type" to "sseadd".
+ (sse3_addsubv2df3): Set attr "atom_unit".
+ (sse3_h<plusminus_insn>v4sf3): Likewise.
+ (*sse2_pmaddwd): Likewise.
+ (*vec_extractv2di_1_rex64): Likewise.
+ (*vec_extractv2di_1_avx): Likewise.
+ (sse2_psadbw): Likewise.
+ (ssse3_phaddwv8hi3): Likewise.
+ (ssse3_phaddwv4hi3): Likewise.
+ (ssse3_phadddv4si3): Likewise.
+ (ssse3_phadddv2si3): Likewise.
+ (ssse3_phaddswv8hi3): Likewise.
+ (ssse3_phaddswv4hi3): Likewise.
+ (ssse3_phsubwv8hi3): Likewise.
+ (ssse3_phsubwv4hi3): Likewise.
+ (ssse3_phsubdv4si3): Likewise.
+ (ssse3_phsubdv2si3): Likewise.
+ (ssse3_phsubswv8hi3): Likewise.
+ (ssse3_phsubswv4hi3): Likewise.
+ (ssse3_pmaddubsw128): Likewise.
+ (sse3_pmaddubsw: Likewise.
+ (ssse3_palignrti): Likewise.
+ (ssse3_palignrdi): Likewise.
+
+2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Specific): Fix two cross-references to MinGW.
+
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/28868
+ * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
+ of which PHI results we inserted.
+ (insert_into_preds_of_block): Record inserted PHIs.
+ (eliminate): Eliminate redundant PHI nodes.
+ (init_pre): Init inserted_phi_names.
+
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39643
+ * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
+ IMAGPART_EXPRs of complex constants.
+ (execute_fold_all_builtins): If we folded a call queue
+ TODO_update_address_taken.
+
+2009-04-06 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/39659
+ * except.c (remove_unreachable_regions): Propagate may_contain_throw
+ flag.
+
+2009-04-06 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
+ delay slot.
+ (ic_invalidate_array): Likewise.
+
+2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * calls.c (emit_library_call_value_1): Fix a problem with parameter
+ alignment for library calls.
+
+2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
+ (mingw32 tm clause use_gcc_stdint): Set to wrap.
+ * config/i386/mingw-stdint.h: New file.
+
+2009-04-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39648
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
+ our &A vs. &A[0] IL deficiencies.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * except.c (sjlj_find_directly_reachable_regions): Be ready for
+ removed toplevel regions.
+ (sjlj_mark_call_sites): Likewise.
+
+2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
+ (cygwin tm clause use_gcc_stdint): Set to wrap.
+ * config/i386/cygwin-stdint.h: New file.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
+ * tree-ssa-copy.c (init_copy_prop): Do not propagate through
+ single-argument PHIs if we are in loop-closed SSA form.
+ * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
+ for the pre-condition.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_build_loop_niters): Take an optional sequence to append stmts.
+ (vect_generate_tmps_on_preheader): Likewise.
+ (vect_do_peeling_for_loop_bound): Take extra guards for the
+ pre-condition.
+ (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
+ the cost model check.
+ (vect_loop_versioning): Take stmt and stmt list to put pre-condition
+ guards if we are going to peel. Do not apply versioning in that
+ case.
+ * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
+ (vect_do_peeling_for_loop_bound): Likewise.
+ * tree-vect-loop.c (vect_transform_loop): If we are peeling for
+ loop bound only record extra pre-conditions, do not apply loop
+ versioning.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
+ renaming code.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
+ last_basic_block for size of bb->index indexed array.
+ * bt-load.c (compute_defs_uses_and_gen, compute_kill,
+ compute_out, link_btr_uses, build_btr_def_use_webs,
+ build_btr_def_use_webs, migrate_btr_defs): Likewise.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * except.c (remove_eh_handler_and_replace): Break out from ...
+ (remove_eh_handler): ... here.
+ (bring_to_root): New function.
+ (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
+ handled ones, bring others to root of tree.
+
+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
+ (all_phis_safe_to_merge): New function.
+ (update_info): New structure.
+ (make_eh_edge_and_update_phi, update_eh_edges): New functions.
+ (cleanup_empty_eh): Update SSA if possible.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
+ * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
+ (append_vuse): Likewise.
+
+2009-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
+ * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
+ instead of REG_UNSAVED for DW_CFA_undefined.
+ (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
+ (uw_update_context): If RA column is REG_UNDEFINED, mark it as
+ outermost frame.
+
+2009-04-04 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/39501
+ * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
+ * testsuite/gcc.c-torture/execute/pr39501.c: New file.
+ * testsuite/gcc.c-torture/execute/pr39501.x: New file.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/8781
+ PR tree-optimization/37892
+ * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
+ (valueize_refs): Call it for *& valueizations.
+ (shared_reference_ops_from_ref): Rename to ...
+ (valueize_shared_reference_ops_from_ref): ... this and valueize.
+ (shared_reference_ops_from_call): Rename to ...
+ (valueize_shared_reference_ops_from_call): ... this and valueize.
+ (vn_reference_lookup): Update.
+ (visit_reference_op_call): Likewise.
+ * tree-ssa-pre.c (phi_translate_1): Fold *&.
+ (eliminate): Value-replace the call address in call statements.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39636
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Check for
+ GIMPLE_ASSIGN before accessing the rhs code.
+
+2009-04-03 Jason Merrill <jason@redhat.com>
+
+ * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
+
+2009-04-03 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
+ truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
+ fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
+ floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
+ fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
+ smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
+ divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
+ umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
+ *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
+ *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
+ adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
+ smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
+ *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
+ *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
+ sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
+ Use fr_reg_or_fp01_operand instead of fr_register_operand
+
+ * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
+ recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
+ divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
+
+2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/39607
+ PR rtl-optimization/39631
+ Revert
+ 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
+ * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
+ instead of DF_LR_OUT.
+ * ira-lives.c (process_bb_node_lives): Ditto.
+ * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
+ instead of DF_LR_{OUT,IN}.
+ * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
+ * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
+
+2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
+ (execute_lower_omp): Always run but take the short way out if -fopenmp
+ is not given.
+ (gate_lower_omp): Remove, forcing the pass manager to always run the
+ pass and always set PROP_gimple_lomp.
+ (pass_lower_omp): Remove gate function.
+ * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
+ PROP_trees. Instead, require it.
+ * ipa-cp.c (pass_ipa_cp): Likewise.
+ * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
+ (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
+ * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
+ and PROP_gimple_leh.
+
+2009-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/13146
+ PR tree-optimization/23940
+ PR tree-optimization/33237
+ PR middle-end/33974
+ PR middle-end/34093
+ PR tree-optimization/36201
+ PR tree-optimization/36230
+ PR tree-optimization/38049
+ PR tree-optimization/38207
+ PR tree-optimization/38230
+ PR tree-optimization/38301
+ PR tree-optimization/38585
+ PR middle-end/38895
+ PR tree-optimization/38985
+ PR tree-optimization/39299
+ * tree-ssa-structalias.h: Remove.
+ * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
+ (NULL_DEF_OPERAND_P): Make of type def_operand_p.
+ (struct vuse_element_d): Remove.
+ (struct vuse_vec_d): Likewise.
+ (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
+ VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
+ SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
+ VUSE_ELEMENT_VAR): Likewise.
+ (struct voptype_d): Likewise.
+ (NUM_VOP_FREE_BUCKETS): Likewise.
+ (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
+ (struct stmt_operands_d): Remove.
+ (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
+ VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
+ VDEF_NUM, VDEF_VECT): Likewise.
+ (copy_virtual_operands): Remove.
+ (operand_build_cmp): Likewise.
+ (create_ssa_artificial_load_stmt): Likewise.
+ (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
+ (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
+ vuse_index and mayuse_index members. Pack and move done and iter_type
+ members to the front.
+ (SSA_OP_VMAYUSE): Remove.
+ (SSA_OP_VIRTUAL_USES): Adjust.
+ (FOR_EACH_SSA_VDEF_OPERAND): Remove.
+ (unlink_stmt_vdef): Declare.
+ (add_to_addressable_set): Remove.
+ * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
+ (vrp_visit_stmt): Likewise.
+ * doc/tree-ssa.texi (Alias analysis): Update.
+ * doc/invoke.texi (max-aliased-vops): Remove docs.
+ (avg-aliased-vops): Likewise.
+ * tree-into-ssa.c (syms_to_rename): Remove.
+ (need_to_update_vops_p): Likewise.
+ (need_to_initialize_update_ssa_p): Rename to ...
+ (update_ssa_initialized_fn): ... this. Track function we are
+ initialized for.
+ (symbol_marked_for_renaming): Simplify.
+ (add_new_name_mapping): Do not set need_to_update_vops_p.
+ (dump_currdefs): Use SYMS_TO_RENAME.
+ (rewrite_update_stmt): Always walk all uses/defs.
+ (dump_update_ssa): Adjust.
+ (init_update_ssa): Take function argument. Track what we are
+ initialized for.
+ (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
+ (create_new_def_for): Initialize for cfun, assert we are initialized
+ for cfun.
+ (mark_sym_for_renaming): Simplify.
+ (mark_set_for_renaming): Do not initialize update-ssa.
+ (need_ssa_update_p): Simplify. Take function argument.
+ (name_mappings_registered_p): Assert we ask for the correct function.
+ (name_registered_for_update_p): Likewise.
+ (ssa_names_to_replace): Likewise.
+ (release_ssa_name_after_update_ssa): Likewise.
+ (update_ssa): Likewise. Use SYMS_TO_RENAME.
+ (dump_decl_set): Do not print a newline.
+ (debug_decl_set): Do it here.
+ (dump_update_ssa): And here.
+ * tree-ssa-loop-im.c (move_computations): Adjust.
+ (movement_possibility): Likewise.
+ (determine_max_movement): Likewise.
+ (gather_mem_refs_stmt): Likewise.
+ * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
+ or NAME_MEMORY_TAG.
+ * tree-complex.c (update_all_vops): Remove.
+ (expand_complex_move): Adjust.
+ * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
+ Simplify test for memory referencing statement. Exclude
+ non-invariant ADDR_EXPRs.
+ * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
+ * tree-loop-distribution.c (generate_memset_zero): Adjust.
+ (rdg_flag_uses): Likewise.
+ * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
+ related code.
+ (tree_optimize_tail_calls_1): Also split the
+ edge from the entry block if we have degenerate PHI nodes in
+ the first basic block.
+ * tree.c (init_ttree): Remove memory-tag related code.
+ (tree_code_size): Likewise.
+ (tree_node_structure): Likewise.
+ (build7_stat): Re-write to be build6_stat.
+ * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
+ (SSA_VAR_P): Adjust.
+ (struct tree_memory_tag): Remove.
+ (struct tree_memory_partition_tag): Likewise.
+ (union tree_node): Adjust.
+ (build7): Re-write to be build6.
+ * tree-pass.h (pass_reset_cc_flags): Remove.
+ (TODO_update_address_taken): New flag.
+ (pass_simple_dse): Remove.
+ * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
+ * params.h (MAX_ALIASED_VOPS): Remove.
+ (AVG_ALIASED_VOPS): Likewise.
+ * omp-low.c (expand_omp_taskreg): Update SSA form.
+ * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
+ aliases the lhs in a copy stmt.
+ * tree-ssa-dse.c (struct address_walk_data): Remove.
+ (memory_ssa_name_same): Likewise.
+ (memory_address_same): Likewise.
+ (get_kill_of_stmt_lhs): Likewise.
+ (dse_possible_dead_store_p): Simplify, use the oracle. Handle
+ unused stores. Look through PHI nodes into post-dominated regions.
+ (dse_optimize_stmt): Simplify. Properly remove stores.
+ (tree_ssa_dse): Compute dominators.
+ (execute_simple_dse): Remove.
+ (pass_simple_dse): Likewise.
+ * ipa-reference.c (scan_stmt_for_static_refs): Open-code
+ gimple_loaded_syms and gimple_stored_syms computation.
+ * toplev.c (dump_memory_report): Dump alias and pta stats.
+ * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
+ (vn_reference_eq): Likewise.
+ (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
+ copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
+ valueize_vuses): Remove.
+ (get_def_ref_stmt_vuses): Simplify. Rename to ...
+ (get_def_ref_stmt_vuse): ... this.
+ (vn_reference_lookup_2): New function.
+ (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
+ walking equivalent vuses. Simplify.
+ (vn_reference_lookup): Likewise.
+ (vn_reference_insert): Likewise.
+ (vn_reference_insert_pieces): Likewise.
+ (visit_reference_op_call): Simplify.
+ (visit_reference_op_load): Likewise.
+ (visit_reference_op_store): Likewise.
+ (init_scc_vn): Remove shared_lookup_vuses initialization.
+ (free_scc_vn): Remove shared_lookup_vuses freeing.
+ (sort_vuses, sort_vuses_heap): Remove.
+ (get_ref_from_reference_ops): Export.
+ * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
+ vector with single vuse pointer.
+ (vn_reference_lookup_pieces, vn_reference_lookup,
+ vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
+ (shared_vuses_from_stmt): Remove.
+ (get_ref_from_reference_ops): Declare.
+ * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
+ memory-tag related code.
+ * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
+ (likely_value): Add comment, skip static-chain of call statements.
+ (surely_varying_stmt_p): Adjust.
+ (gimplify_and_update_call_from_tree): Likewise.
+ (execute_fold_all_builtins): Do not rebuild alias info.
+ (gimplify_and_update_call_from_tree): Properly update VOPs.
+ * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
+ (copy_ref_info): Remove memory-tag related code.
+ * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
+ * ipa-pure-const.c (check_decl): Remove memory-tag related code.
+ (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
+ computation.
+ * tree-ssa-dom.c (gimple_p): Remove typedef.
+ (eliminate_redundant_computations): Adjust.
+ (record_equivalences_from_stmt): Likewise.
+ (avail_expr_hash): Likewise.
+ (avail_expr_eq): Likewise.
+ * tree-ssa-propagate.c (update_call_from_tree): Properly
+ update VOPs.
+ (stmt_makes_single_load): Likewise.
+ (stmt_makes_single_store): Likewise.
+ * tree-ssa-alias.c: Rewrite completely.
+ (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
+ debug_mem_sym_stats, dump_mem_sym_stats_for_var,
+ debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
+ delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
+ dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
+ Remove public functions.
+ (pass_reset_cc_flags): Remove.
+ (pass_build_alias): Move ...
+ * tree-ssa-structalias.c (pass_build_alias): ... here.
+ * tree-ssa-alias.c (may_be_aliased): Move ...
+ * tree-flow-inline.h (may_be_aliased): ... here.
+ tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
+ count_uses_and_derefs): Move ...
+ * gimple.c: ... here.
+ * gimple.h (count_uses_and_derefs): Declare.
+ * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
+ ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
+ same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
+ indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
+ ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
+ call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
+ get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
+ New functions.
+ * tree-dfa.c (refs_may_alias_p): Move ...
+ * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
+ * tree-ssa-alias.h: New file.
+ * tree-ssa-sink.c (is_hidden_global_store): Adjust.
+ (statement_sink_location): Likewise.
+ * opts.c (decode_options): Do not adjust max-aliased-vops or
+ avg-aliased-vops values.
+ * timevar.def (TV_TREE_MAY_ALIAS): Remove.
+ (TV_CALL_CLOBBER): Likewise.
+ (TV_FLOW_SENSITIVE): Likewise.
+ (TV_FLOW_INSENSITIVE): Likewise.
+ (TV_MEMORY_PARTITIONING): Likewise.
+ (TV_ALIAS_STMT_WALK): New timevar.
+ * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
+ * tree-ssa-address.c (create_mem_ref_raw): Use build6.
+ (get_address_description): Remove memory-tag related code.
+ * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
+ * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
+ * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
+ and immediate uses in statements. Document.
+ * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
+ (dump_symbols): Remove.
+ (dump_gimple_mem_ops): Do not dump loaded or stored syms.
+ * alias.c (get_deref_alias_set): New function split out from ...
+ (get_alias_set): ... here.
+ * alias.h (get_deref_alias_set): Declare.
+ * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
+ type parameter. Remove restrict pointer handling. Create a
+ ref-all pointer in case type-based alias sets do not conflict.
+ (vect_analyze_data_refs): Remove SMT related code.
+ * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
+ (vectorizable_load): Likewise.
+ * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
+ (DR_SYMBOL_TAG, DR_VOPS): Remove.
+ * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
+ Ignore vops and SMTs.
+ (dr_analyze_alias): Likewise..
+ (free_data_ref): Likewise.
+ (create_data_ref): Likewise.
+ (analyze_all_data_dependences): Likewise.
+ (get_references_in_stmt): Adjust.
+ * tree-flow-inline.h (gimple_aliases_computed_p,
+ gimple_addressable_vars, gimple_call_clobbered_vars,
+ gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
+ factoring_name_p, mark_call_clobbered, clear_call_clobbered,
+ compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
+ gimple_mem_ref_stats): Remove.
+ (gimple_vop): New function.
+ (op_iter_next_use): Remove vuses and mayuses cases.
+ (op_iter_next_def): Remove vdefs case.
+ (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
+ (clear_and_done_ssa_iter): Do not set removed fields.
+ (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
+ Assert we are not iterating over vuses or vdefs if not also
+ iterating over uses or defs.
+ (op_iter_init_use): Likewise.
+ (op_iter_init_def): Likewise.
+ (op_iter_next_vdef): Remove.
+ (op_iter_next_mustdef): Likewise.
+ (op_iter_init_vdef): Likewise.
+ (compare_ssa_operands_equal): Likewise.
+ (link_use_stmts_after): Handle vuse operand.
+ (is_call_used): Use is_call_clobbered.
+ (is_call_clobbered): Global variables are always call clobbered,
+ query the call-clobbers bitmap.
+ (mark_call_clobbered): Ignore global variables.
+ (clear_call_clobbered): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
+ virtual operands sanity check.
+ * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
+ Remove.
+ (TARGET_MEM_REF): Remove TMR_TAG operand.
+ * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
+ Remove call-clobber related code.
+ (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
+ (dump_variable): Do not dump SMTs, memory stats, may-aliases or
+ partitions or escape reason.
+ (get_single_def_stmt, get_single_def_stmt_from_phi,
+ get_single_def_stmt_with_phi): Remove.
+ (dump_referenced_vars): Tidy.
+ (get_ref_base_and_extent): Allow bare decls.
+ (collect_dfa_stats): Adjust.
+ * graphite.c (rename_variables_in_stmt): Adjust.
+ (graphite_copy_stmts_from_block): Likewise.
+ (translate_clast): Likewise.
+ * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
+ (EXPR_DIES): New.
+ (translate_vuse_through_block): Use the oracle.
+ (phi_translate_1): Adjust.
+ (value_dies_in_block_x): Use the oracle. Cache the outcome
+ in EXPR_DIES.
+ (valid_in_sets): Check if the VUSE for
+ a REFERENCE is available.
+ (eliminate): Do not remove stmts during elimination,
+ instead queue and remove them afterwards.
+ (do_pre): Do not rebuild alias info.
+ (pass_pre): Run TODO_rebuild_alias before PRE.
+ * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
+ * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
+ (mark_all_v_defs_stmt): Remove.
+ (mark_all_v_defs_seq): Adjust.
+ (sra_replace): Likewise.
+ (scalarize_use): Likewise.
+ (scalarize_copy): Likewise.
+ (scalarize_init): Likewise.
+ (scalarize_ldst): Likewise.
+ (todoflags): Remove.
+ (tree_sra): Do not rebuild alias info.
+ (tree_sra_early): Adjust.
+ (pass_sra): Run TODO_update_address_taken before SRA.
+ * tree-predcom.c (set_alias_info): Remove.
+ (prepare_initializers_chain): Do not call it.
+ (mark_virtual_ops_for_renaming): Adjust.
+ (mark_virtual_ops_for_renaming_list): Remove.
+ (initialize_root_vars): Adjust.
+ (initialize_root_vars_lm): Likewise.
+ (prepare_initializers_chain): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
+ (may_propagate_copy_into_stmt): Likewise.
+ (merge_alias_info): Do nothing for now.
+ (propagate_tree_value_into_stmt): Adjust.
+ (stmt_may_generate_copy): Likewise.
+ * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
+ not mark symbols for renaming.
+ (forward_propagate_addr_expr): Match up push/pop_stmt_changes
+ with the same statement, make sure to update the new pointed-to one.
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
+ call statements, do not mark symbols for renaming.
+ (mark_operand_necessary): Dump something.
+ (ref_may_be_aliased): New function.
+ (mark_aliased_reaching_defs_necessary_1): New helper function.
+ (mark_aliased_reaching_defs_necessary): Likewise.
+ (mark_all_reaching_defs_necessary_1): Likewise.
+ (mark_all_reaching_defs_necessary): Likewise.
+ (propagate_necessity): Do not process virtual PHIs. For
+ non-aliased loads mark all reaching definitions as necessary.
+ For aliased loads and stores mark the immediate dominating
+ aliased clobbers as necessary.
+ (visited): New global static.
+ (perform_tree_ssa_dce): Free visited bitmap after propagating
+ necessity.
+ (remove_dead_phis): Perform simple dead virtual PHI removal.
+ (remove_dead_stmt): Properly unlink virtual operands when
+ removing stores.
+ (eliminate_unnecessary_stmts): Schedule PHI removal after
+ stmt removal.
+ * tree-ssa-ter.c (is_replaceable_p): Adjust.
+ (process_replaceable): Likewise.
+ (find_replaceable_in_bb): Likewise.
+ * tree-ssa.c (verify_ssa_name): Verify all VOPs are
+ based on the single gimple vop.
+ (verify_flow_insensitive_alias_info): Remove.
+ (verify_flow_sensitive_alias_info): Likewise.
+ (verify_call_clobbering): Likewise.
+ (verify_memory_partitions): Likewise.
+ (verify_alias_info): Likewise.
+ (verify_ssa): Adjust..
+ (execute_update_addresses_taken): Export. Update SSA
+ manually. Optimize only when optimizing. Use a local bitmap.
+ (pass_update_address_taken): Remove TODO_update_ssa, add
+ TODO_dump_func.
+ (pass_update_address_taken): Just use TODO_update_address_taken.
+ (init_tree_ssa): Do not initialize addressable_vars.
+ (verify_ssa): Verify new VUSE / VDEF properties.
+ Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
+ Do not call verify_alias_info.
+ (delete_tree_ssa): Clear the VUSE, VDEF operands.
+ Do not free the loaded and stored syms bitmaps. Reset the escaped
+ and callused solutions. Do not free addressable_vars.
+ Remove memory-tag related code.
+ (warn_uninitialized_var): Aliases are always available.
+ * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
+ * lambda-code.c (can_put_in_inner_loop): Adjust.
+ (can_put_after_inner_loop): Likewise.
+ (perfect_nestify): Likewise.
+ * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
+ (vect_gen_widened_results_half): Remove CALL_EXPR handling.
+ (vectorizable_conversion): Do not mark symbols for renaming.
+ * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
+ (expand_call_inline): Unlink the calls virtual operands before
+ replacing it.
+ (tree_function_versioning): Do not call update_ssa if we are not
+ updating clones. Simplify.
+ * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
+ (propagate_with_phi): Likewise..
+ * tree-outof-ssa.c (create_temp): Remove memory tag and call
+ clobber code. Assert we are not aliased or global.
+ * tree-flow.h: Include tree-ssa-alias.h
+ (enum escape_type): Remove.
+ (struct mem_sym_stats_d): Likewise.
+ (struct mem_ref_stats_d): Likewise.
+ (struct gimple_df): Add vop member. Remove global_var,
+ call_clobbered_vars, call_used_vars, addressable_vars,
+ aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
+ escaped and callused members.
+ (struct ptr_info_def): Remove all members, add points-to solution
+ member pt.
+ (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
+ call_clobbered, escape_mask, mpt and symbol_mem_tag members.
+ * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
+ (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
+ (tree-ssa-alias.o): Likewise.
+ (toplev.o): Add tree-ssa-alias.h
+ (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
+ * gimple.c (gimple_set_bb): Fix off-by-one error.
+ (is_gimple_reg): Do not handle memory tags.
+ (gimple_copy): Also copy virtual operands.
+ Delay updating the statement. Do not reset loaded and stored syms.
+ (gimple_set_stored_syms): Remove.
+ (gimple_set_loaded_syms): Likewise.
+ (gimple_call_copy_skip_args): Copy the virtual operands
+ and mark the new statement modified.
+ * tree-ssa-structalias.c (may_alias_p): Remove.
+ (set_uids_in_ptset): Take the alias set to prune with as
+ parameter. Fold in the alias test of may_alias_p.
+ (compute_points_to_sets): Compute whether a ptr is dereferenced
+ in a local sbitmap.
+ (process_constraint): Deal with &ANYTHING on the lhs, reject all
+ other ADDRESSOF constraints on the lhs.
+ (get_constraint_for_component_ref): Assert that we don't get
+ ADDRESSOF constraints from the base of the reference.
+ Properly generate UNKNOWN_OFFSET for DEREF if needed.
+ (struct variable_info): Remove collapsed_to member.
+ (get_varinfo_fc): Remove.
+ (new_var_info): Do not set collapsed_to.
+ (dump_constraint): Do not follow cycles.
+ (dump_constraint_graph): Likewise.
+ (build_pred_graph): Likewise.
+ (build_succ_graph): Likewise.
+ (rewrite_constraints): Likewise.
+ (do_simple_structure_copy): Remove.
+ (do_rhs_deref_structure_copy): Remove.
+ (do_lhs_deref_structure_copy): Remove.
+ (collapse_rest_of_var): Remove.
+ (do_structure_copy): Re-implement.
+ (pta_stats): New global variable.
+ (dump_pta_stats): New function.
+ (struct constraint_expr): Make offset signed.
+ (UNKNOWN_OFFSET): Define special value.
+ (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
+ (solution_set_expand): New helper function split out from ...
+ (do_sd_constraint): ... here.
+ (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
+ (do_ds_constraint): Likewise.
+ (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
+ and CALLUSED = *CALLUSED.
+ (set_union_with_increment): Make inc argument signed.
+ (type_safe): Remove.
+ (get_constraint_for_ptr_offset): Handle unknown and negative
+ constant offsets.
+ (first_vi_for_offset): Handle offsets before start. Bail
+ out early for offsets beyond the variable extent.
+ (first_or_preceding_vi_for_offset): New function.
+ (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
+ Together with ESCAPED = *ESCAPED this properly computes reachability.
+ (find_what_var_points_to): New function.
+ (find_what_p_points_to): Implement in terms of find_what_var_points_to.
+ (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
+ pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
+ pt_solutions_intersect): New functions.
+ (compute_call_used_vars): Remove.
+ (compute_may_aliases): New main entry into PTA computation.
+ * gimple.h (gimple_p): New typedef.
+ (struct gimple_statement_base): Remove references_memory_p.
+ (struct gimple_statement_with_memory_ops_base): Remove
+ vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
+ members.
+ (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
+ gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
+ gimple_set_references_memory): Remove.
+ (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
+ gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
+ New functions.
+ * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
+ (verify_expr): Allow RESULT_DECL.
+ (gimple_duplicate_bb): Do not copy virtual operands.
+ (gimple_duplicate_sese_region): Adjust.
+ (gimple_duplicate_sese_tail): Likewise.
+ (mark_virtual_ops_in_region): Remove.
+ (move_sese_region_to_fn): Do not call it.
+ * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
+ and pass_simple_dse.
+ (execute_function_todo): Handle TODO_update_address_taken,
+ call execute_update_addresses_taken for TODO_rebuild_alias.
+ (execute_todo): Adjust.
+ (execute_one_pass): Init dump files early.
+ * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
+ call-clobbered.
+ (create_general_new_stmt): Clear vops.
+ * tree-ssa-reassoc.c (get_rank): Adjust.
+ * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
+ symbols for renaming.
+ * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
+ (PARAM_AVG_ALIASED_VOPS): Likewise.
+ * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
+ (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
+ * tree-ssa-operands.c: Simplify for new virtual operand
+ representation.
+ (operand_build_cmp, copy_virtual_operands,
+ create_ssa_artificial_load_stmt, add_to_addressable_set,
+ gimple_add_to_addresses_taken): Remove public functions.
+ (unlink_stmt_vdef): New function.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc-*-linux*): Merge variants.
+
+2009-04-02 Chao-ying Fu <fu@mips.com>
+ James Grosbach <james.grosbach@microchip.com>
+
+ * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
+ num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
+ cop0_sp_offset.
+ (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
+ keep_interrupts_masked_p, use_debug_exception_return_p.
+ (mips_attribute_table): Add interrupt, use_shadow_register_set,
+ keep_interrupts_masked, use_debug_exception_return.
+ (mips_interrupt_type_p, mips_use_shadow_register_set_p,
+ mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
+ New functions.
+ (mips_function_ok_for_sibcall): Return false for interrupt handlers.
+ (mips_print_operand): Process COP0 registers to print $0 .. $31
+ correctly for GAS to process.
+ (mips_interrupt_extra_call_saved_reg_p): New function.
+ (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
+ extra registers.
+ (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
+ (mips_compute_frame_info): Add supports for interrupt context that
+ includes doubleword accumulators and COP0 registers.
+ (mips_for_each_saved_acc): New function.
+ (mips_for_each_saved_gpr_and_fpr): Change the function name from
+ mips_for_each_saved_reg.
+ (mips_save_reg): Save accumulators.
+ (mips_kernel_reg_p): A new for_each_rtx callback.
+ (mips_expand_prologue): Support interrupt handlers.
+ (mips_restore_reg): Restore accumulators.
+ (mips_expand_epilogue): Support interrupt handlers.
+ (mips_can_use_return_insn): Return false for interrupt handlers.
+ (mips_epilogue_uses): New function.
+ * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
+ UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
+ (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
+ cop0_move): New instructions.
+ * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
+ * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
+ defines.
+ (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
+ New defines.
+ (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
+ (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
+ interrupt handlers, we use K0 as the temporary register.
+ (EPILOGUE_USES): Change to a function call.
+ * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
+ handlers, we use K0 as the temporary register.
+
+ * doc/extend.texi (Function Attributes): Document interrupt,
+ use_shadow_register_set, keep_interrupts_masked,
+ use_debug_exception_return for MIPS attributes.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
+ Remove a number of t-files from tmake_file.
+ * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
+ * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
+ target_prototype, not TARGET_PROTOTYPE.
+ (LINK_OS_GNU_SPEC): Define.
+ * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
+ and darwin-ldoubdle.c.
+
+2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR driver/39293
+ * gcc.c (save_temps_flag): Add support for -save-temps=obj.
+ (cpp_options): Ditto.
+ (default_compilers): Ditto.
+ (display_help): Ditto.
+ (process_command): Ditto.
+ (do_spec_1): Ditto.
+ (set_input): Use lbasename instead of duplicate code.
+ (save_temps_prefix): New static for -save-temps=obj.
+ (save_temps_length): Ditto.
+
+ * doc/invoke.texi (-save-temps=obj): Document new variant to
+ -save-temps switch.
+
+2009-04-02 Jeff Law <law@redhat.com>
+
+ * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
+ variable.
+
+2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
+ * configure: Regenerated.
+
2009-04-02 Rafael Avila de Espindola <espindola@google.com>
* c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2009-02-12 Diego Novillo <dnovillo@google.com>
- * varpool.c (debug_varpool): New.
- * cgraph.h (debug_varpool): Declare.
+ * varpool.c (debug_varpool): New.
+ * cgraph.h (debug_varpool): Declare.
2009-04-02 Jan Hubicka <jh@suse.cz>
2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
- PR target/27237
+ PR target/27237
* doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2009-03-31 Richard Guenther <rguenther@suse.de>
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
- * combine.c (simplify_comparison): Use have_insn_for.
- * dojump.c (do_jump): Likewise.
+ * combine.c (simplify_comparison): Use have_insn_for.
+ * dojump.c (do_jump): Likewise.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
- * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
- Provide/destroy PROP_cfglayout respectively.
- * gcse.c (pass_jump_bypass, pass_gcse): Require it.
- * tree-pass.h (PROP_cfglayout): New.
+ * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
+ Provide/destroy PROP_cfglayout respectively.
+ * gcse.c (pass_jump_bypass, pass_gcse): Require it.
+ * tree-pass.h (PROP_cfglayout): New.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
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