+2009-04-01 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
+ rs6000_emit_stack_tie.
+
+2009-03-31 Ian Lance Taylor <iant@google.com>
+
+ * tree-eh.c (tree_remove_unreachable_handlers): Compare
+ gimple_code with GIMPLE_RESX, not RESX.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ * c-common.c (c_get_ident): New.
+ (c_common_nodes_and_builtins): Call it for type names that may be
+ NULL.
+
+2009-04-01 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/sysv4.opt (msdata): Improve option description.
+
+2009-03-31 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (divsf3_internal_lat): Remove.
+ (divdf3_internal_lat): Remove.
+ (divxf3_internal_lat): Remove.
+ (divxf3_internal_thr): Remove.
+ (divxf): Use divxf3_internal.
+ * config/ia64/div.md (divsf3_internal_lat): New.
+ (divdf3_internal_lat): New.
+ (divxf3_internal): New.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/448
+ * Makefile.in (USE_GCC_STDINT): Define.
+ (stmp-int-hdrs): Install stdint.h if applicable.
+ * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
+ if known.
+ (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
+ (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
+ UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
+ INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
+ (c_common_nodes_and_builtins): Initialize
+ underlying_wchar_type_node. Do not initialize
+ signed_wchar_type_node or unsigned_wchar_type_node. Initialize
+ nodes for new types.
+ (c_stddef_cpp_builtins): Define macros for new types.
+ * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
+ Remove.
+ (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
+ CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
+ CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
+ CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
+ CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
+ CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
+ CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
+ CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
+ CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
+ (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
+ (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
+ int16_type_node, int32_type_node, int64_type_node,
+ uint8_type_node, uint16_type_node, c_uint32_type_node,
+ c_uint64_type_node, int_least8_type_node, int_least16_type_node,
+ int_least32_type_node, int_least64_type_node,
+ uint_least8_type_node, uint_least16_type_node,
+ uint_least32_type_node, uint_least64_type_node,
+ int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
+ int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
+ uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
+ uintptr_type_node): Define.
+ * c-cppbuiltin.c (builtin_define_constants,
+ builtin_define_type_minmax): New.
+ (builtin_define_stdint_macros): Define more macros.
+ (c_cpp_builtins): Define more limit macros.
+ (type_suffix): New.
+ (builtin_define_type_max): Define in terms of
+ builtin_define_type_minmax. Remove is_long parameter. All
+ callers changed.
+ * config.gcc (use_gcc_stdint): Define.
+ (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
+ Add newlib-stdint.h for generic targets.
+ * config/glibc-stdint.h, config/newlib-stdint.h,
+ ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
+ * config/m32c/m32c.h (UINTPTR_TYPE): Define.
+ * config/score/score.h (UINTPTR_TYPE): Define.
+ * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
+ INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
+ UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
+ * config/spu/spu.h (STDINT_LONG32): Define.
+ * configure.ac (use_gcc_stdint): Substitute.
+ * configure: Regenerate.
+ * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
+ __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
+ __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
+ __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
+ __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
+ __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
+ __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
+ __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
+ __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
+ __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
+ __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
+ __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
+ __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
+ __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
+ __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
+ __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
+ __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
+ __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
+ __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
+ __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
+ __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
+ * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
+ INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
+ INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
+
+2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * loop-iv.c (suitable_set_for_replacement): Renamed from
+ simplify_using_assignment; changed to return bool and to accept new
+ args DEST and SRC. Return true iff we find a source/destination pair
+ that can be used to make a replacement, and fill SRC and DEST if so.
+ Remove arg ALTERED. Don't deal with altered regs here. All callers
+ changed.
+ (simplify_using_initial_values): Deal with altered regs here and track
+ more precisely the effect they have on the validity of our expression.
+
+ * loop-iv.c (simplify_using_condition): A condition of the form
+ (EQ REG CONST) can be used to simply make a substitution.
+ (simplify_using_initial_values): Keep track of conditions we have seen
+ and keep using them to simplify new expressions, while applying the
+ same substitutions to them as to the expression.
+
+ * simplify-rtx.c (simplify_relational_operation_1): Simplify
+ (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
+ GEU/LTU reversed.
+
+ * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
+ changed. Use this when trying to improve the upper bound.
+ Generate the comparison by using simplify_gen_relational.
+
+ * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
+
+ * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
+ functions.
+ (simplify_using_assignment, simplify_using_initial_values): Call
+ replace_in_expr to make replacements. Call replace_single_def_regs
+ once on the initial version of the expression.
+
+2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ PR target/27237
+ * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31029
+ * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
+ equality comparisons. Fold C - X CMP X if C % 2 == 1.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (div_if_zero_remainder): Declare.
+ * fold-const.c (div_if_zero_remainder): Export.
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Handle
+ constant array index addition outside of the variable index.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR target/39592
+ * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
+ define_splits, floatunssi<mode>2): Require x87 conversions from
+ DImode to be permitted.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR preprocessor/15638
+ * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/23401
+ PR middle-end/27810
+ * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
+ (struct tree_decl_with_vis): Remove gimple_formal_temp member.
+ * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
+ a separate statement.
+ * gimplify.c (pop_gimplify_context): Remove formal temp handling.
+ (lookup_tmp_var): Likewise.
+ (is_gimple_formal_tmp_or_call_rhs): Remove.
+ (is_gimple_reg_or_call_rhs): Rename to ...
+ (is_gimple_reg_rhs_or_call): ... this.
+ (is_gimple_mem_or_call_rhs): Rename to ...
+ (is_gimple_mem_rhs_or_call): ... this.
+ (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
+ DECL_GIMPLE_REG_P only if is_formal is true.
+ (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
+ for non-proper post-modify expression gimplification.
+ (gimplify_self_mod_expr): For post-modify expressions gimplify
+ the lvalue to a minimal lvalue.
+ (rhs_predicate_for): Remove formal temp case.
+ (gimplify_modify_expr_rhs): Likewise.
+ (gimplify_addr_expr): Use is_gimple_reg.
+ (gimplify_expr): Remove formal temp cases.
+ (gimple_regimplify_operands): Likewise.
+ * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
+ and FILTER_EXPR like constants.
+ * gimple.c (walk_gimple_op): Fix val_only initialization, use
+ is_gimple_reg.
+ (is_gimple_formal_tmp_rhs): Remove.
+ (is_gimple_reg_rhs): Remove special casing.
+ (is_gimple_mem_rhs): Fix.
+ (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
+ (is_gimple_formal_tmp_var): Remove.
+ (is_gimple_formal_tmp_reg): Likewise.
+ (is_gimple_min_lval): Allow invariant component ref parts.
+ * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
+ is_gimple_formal_tmp_reg): Remove declarations.
+ * tree-cfg.c (verify_expr): Verify that variables with address
+ taken do not have DECL_GIMPLE_REG_P set.
+ * tree-mudflap.c (mf_build_check_statement_for): Use
+ force_gimple_operand instead of gimplify_expr.
+
+2009-03-31 Ayal Zaks <zaks@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule_by_order): Pass the actual
+ schedulable rows to compute_split_row.
+
+2009-03-31 Ben Elliston <bje@au.ibm.com>
+
+ PR target/31635
+ * config/rs6000/rs6000.c (rs6000_handle_option): Handle
+ OPT_mvrsave.
+
+2009-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
+ * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * config/rs6000/rs6000.opt (mtls-markers): Add.
+ * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
+ * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
+ (tls_ld_aix, tls_ld_sysv): Likewise.
+ (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
+ (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
+
+2009-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
+
+2009-03-30 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (make_eh_edges): Set probability 100% to first edge
+ out of RESX.
+ (tree_remove_unreachable_handlers): Cleanup EH predecestor
+ detection and label handling.
+
+2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-int.h (ira_allocno): Rename left_conflicts_num to
+ left_conflicts_size.
+ (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
+ ALLOCNO_LEFT_CONFLICTS_SIZE.
+
+ * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
+ remove_allocno_from_bucket_and_push,
+ allocno_spill_priority_compare, push_allocnos_to_stack,
+ setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
+ instead of ALLOCNO_LEFT_CONFLICTS_NUM.
+ (setup_allocno_left_conflicts_num): Ditto. Rename to
+ setup_allocno_left_conflicts_size.
+ (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
+ instead of ALLOCNO_LEFT_CONFLICTS_NUM and
+ setup_allocno_left_conflicts_size instead of
+ setup_allocno_left_conflicts_num.
+
+ * ira-build.c (ira_create_allocno): Use
+ ALLOCNO_LEFT_CONFLICTS_SIZE instead of
+ ALLOCNO_LEFT_CONFLICTS_NUM.
+
+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.
+
+2009-03-30 Jan Hubicka <jh@suse.cz>
+
+ * except.c (label_to_region_map): Fix thinko.
+
+2009-03-30 Steve Ellcey <sje@cup.hp.com>
+
+ PR middle-end/38237
+ * tree.h (tree_find_value): New declaration.
+ * tree.c (tree_find_value): New function.
+ * varasm.c (assemble_external): Avoid duplicate entries on lists.
+
+2009-03-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/39563
+ * c-decl.c (struct c_binding): Add locus field.
+ (bind): Add locus argument, set locus field from it.
+ (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
+ add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
+ (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
+ implicitly_declare, undeclared_variable, lookup_label,
+ declare_label, c_make_fname_decl, c_builtin_function,
+ c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
+ bind callers.
+
+2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/38781
+ * config/i386/i386.c (classify_argument): Check total size of
+ structure.
+
+2009-03-30 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
+ IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
+ IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
+ respectively.
+
+ * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
+ seen_variable_array_ref while also traversing a union.
+
+ * tree-inline.c (optimize_inline_calls): Do not call
+ cgraph_node_remove_callees.
+ * cgraphbuild.c (remove_cgraph_callee_edges): New function.
+ (pass_remove_cgraph_callee_edges): New variable.
+ * passes.c (init_optimization_passes): Add
+ pass_remove_cgraph_callee_edges after early inlining and before all
+ late intraprocedural passes.
+
+ * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
+ Fix typos in names.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (simplify_comparison): Use have_insn_for.
+ * dojump.c (do_jump): Likewise.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/sparc/sparc.c (sparc_compare_emitted): Remove.
+ (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
+ sparc_compare_op0 like sparc_compare_emitted used to be handled.
+ (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
+ instead of sparc_compare_emitted.
+ * config/sparc/sparc.h (sparc_compare_emitted): Remove.
+ * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
+ instead of sparc_compare_emitted.
+
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
* bb-reorder.c (partition_hot_cold_basic_blocks): Do not