+2006-04-13 Richard Henderson <rth@redhat.com>
+
+ PR 26651
+ * gimple-low.c (lower_omp_directive): Remove dead code.
+ (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
+ * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
+ * omp-low.c (struct omp_region): Move to tree-flow.h.
+ (root_omp_region): Export.
+ (omp_regions, lookup_omp_region): Remove.
+ (determine_parallel_type): Update for struct omp_region changes.
+ (dump_omp_region): Dump regions with block numbers.
+ (new_omp_region): Take type and block instead of stmt; malloc
+ instead of ggc.
+ (free_omp_region_1, free_omp_regions): New.
+ (expand_parallel_call): Take entry_stmt as argument; update for
+ changes to omp_region.
+ (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
+ (remove_exit_barriers): New.
+ (expand_omp_parallel): Update for struct omp_region changes.
+ (expand_omp_synch): Likewise.
+ (expand_omp): Likewise.
+ (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
+ (expand_omp_for_static_chunk): Likewise.
+ (expand_omp_for): Likewise.
+ (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
+ (expand_omp_sections): Similarly, with GOMP_sections_end.
+ (expand_omp_single): New.
+ (build_omp_regions_1): Update for OMP_CONTINUE.
+ (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
+ (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
+ OMP_SECTIONS_SECTIONS.
+ (lower_omp_single_simple): Don't emit barrier here.
+ (lower_omp_single_copy): Likewise.
+ (lower_omp_single): Fix bindings, and lower to straightline now.
+ (lower_omp_master, lower_omp_ordered): Likewise.
+ (lower_omp_critical): Likewise.
+ (lower_omp_for): Likewise. Emit OMP_CONTINUE.
+ * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
+ omp edges, free it afterward.
+ (make_omp_sections_edges): Remove.
+ (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
+ (move_stmt_r): Handle OMP_CONTINUE.
+ * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
+ statement pointers to basic blocks. Add type member.
+ (root_omp_region, new_omp_region, free_omp_regions): Declare.
+ * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
+ * tree-inline.c (estimate_num_insns_1): Likewise.
+ * tree-pretty-print.c (dump_generic_node): Likewise.
+ * tree-ssa-operands.c (get_expr_operands): Likewise.
+ * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
+ (OMP_RETURN): Rename from OMP_RETURN_EXPR.
+ (OMP_CONTINUE): New.
+ * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
+ (OMP_SECTIONS_SECTIONS): Remove.
+ (OMP_SECTION_LAST): New.
+ (OMP_RETURN_NOWAIT): New.
+
+2006-04-13 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (native_encode_vector, native_interpret_real):
+ Correct obvious mistakes in the previous check-in.
+
+2006-04-13 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (native_encode_expr): New function to encode
+ the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
+ or VECTOR_CST into a specified buffer.
+ (native_encode_int): New function.
+ (native_encode_real): New function.
+ (native_encode_complex): New function.
+ (native_encode_vector): New function.
+ (native_interpret_expr): Inverse of native_encode_expr to convert
+ a target representation into an INTEGER_CST, REAL_CST etc...
+ (native_interpret_int): New function.
+ (native_interpret_real): New function.
+ (native_interpret_complex): New function.
+ (native_interpret_vector): New function.
+ (fold_view_convert_expr): New function to constant fold/evaluate
+ a VIEW_CONVERT_EXPR of a suitable constant expression.
+ (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
+ Change call of build1 to fold_build1 when constructing a
+ VIEW_CONVERT_EXPR.
+
+2006-04-13 Paolo Bonzini <bonzini@gnu.org>
+ Ulrich Weigand <uweigand@de.ibm.com>
+
+ PR target/27006
+ * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
+ to be even.
+
+2006-04-13 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26459
+ * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
+ optimize to lo_sum for DFmode if !TARGET_FPRS.
+
+2006-04-12 Kazu Hirata <kazu@codesourcery.com>
+
+ * tree-ssa-alias.c (set_initial_properties, init_alias_info,
+ delete_alias_info, compute_flow_sensitive_aliasing,
+ group_aliases): Use VEC instead of VARRAY.
+ * tree-ssa-structalias.c (update_alias_info): Likewise.
+ * tree-ssa-structalias.h (alias_info): Change the type of
+ processed_ptrs to VEC(tree,heap) *.
+
+2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR target/27060
+ * config/sh/lib1funcs.h: New file, broken out of:
+ * config/sh/lib1funcs.asm.
+ * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
+ New macros.
+ * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
+ * config/sh/lib1funcs-Os-4-200.asm: New file.
+ * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
+ * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
+ (EXTRA_MULTILIB_PARTS): Include it.
+ ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
+ ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
+ * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
+ * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
+ TARGET_SH2.
+
+2006-04-12 Kazu Hirata <kazu@codesourcery.com>
+
+ * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
+ * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
+ tpa_compact, root_var_init, type_var_init): Use VEC instead of
+ VARRAY.
+ * tree-ssa-live.h: Include vecprim.h.
+ (tree_partition_associator_d): Change the type of
+ first_partition to VEC(int,heap) *.
+ (tpa_first_partition): Use VEC instead of VARRAY.
+
+ * Makefile.in (GTFILES): Move functions.h after tree.h.
+ * function.c (reset_block_changes, record_block_change,
+ check_block_change, free_block_changes): Use VEC instead of
+ VARRAY.
+ * function.h (function): Change the type of
+ ib_boundaries_block to VEC(tree,gc) *.
+ * tree-inline.c (copy_cfg_body): Initialize
+ ib_boundaries_block to NULL instead of (varray_type) 0.
+
+2006-04-12 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (emit_group_store): Correct operand order in call to
+ subreg_lowpart_offset. Always create paradoxical SUBREGs with
+ a SUBREG_BYTE of zero.
+
+2006-04-12 Richard Guenther <rguenther@suse.de>
+
+ * profile.c (compute_branch_probabilities): Remove code
+ encapsulated in !ir_type (), which are remanents of the
+ removed RTL profiling code.
+ * rtl-profile.c: Remove.
+
+2006-04-12 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
+ magic NULL_RTX comment.
+ (function_arg): Store entire fp arg to mem if any part should go
+ on stack.
+ (rs6000_arg_partial_bytes): Adjust for above change.
+
+2006-04-11 Roger Sayle <roger@eyesopen.com>
+
+ * dwarf2out.c (output_call_frame_info): Create debug_frame_section
+ if it hasn't been initialized by dwarf2out_init.
+
+2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
+
+ * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
+ symbolic constants in branch patterns.
+
+2006-04-11 Roger Sayle <roger@eyesopen.com>
+
+ * caller-save.c: #include "addresses.h" after #include "tm_p.h".
+
+2006-04-11 Richard Sandiford <richard@codesourcery.com>
+
+ PR rtl-optimization/27073
+ * gcse.c (try_replace_reg): Revert last change. Continue to search
+ for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
+ on the former.
+
+2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
+ aggregate types other than record and union types.
+ (function_arg): Likewise.
+ (function_arg_pass_by_reference): In 64-bit mode, return 0 for
+ small arrays.
+ (function_value): In 64-bit mode, return objects that require it
+ in FP registers.
+
+2006-04-11 Roger Sayle <roger@eyesopen.com>
+
+ * dwarf2out.c (premark_used_types): Remove problematic prototype.
+
+2006-04-11 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
+
+2006-04-03 Jeff Law <law@redhat.com>
+
+ PR/27087
+ * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
+ alias information too.
+
+2006-04-10 Mike Frysinger <vapier@gentoo.org>
+
+ * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
+
+2006-04-10 Aldy Hernandez <aldyh@redhat.com>
+
+ PR/21391
+ * dwarf2out.c (struct die_struct): Add die_perennial_p field.
+ (premark_used_types_helper): New.
+ (premark_used_types): New.
+ (gen_subprogram_die): Call premark_used_types.
+ (prune_unused_types_walk): Do not prune perennial dies.
+ * function.c (used_types_insert): New.
+ * function.h (struct function): Add used_types_hash field.
+ (used_types_insert): Add prototype.
+ * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
+ * c-parser.c (c_parser_cast_expression): Save casted types in used
+ types hash table.
+
+2006-04-11 Mark Mitchell <mark@codesourcery.com>
+
+ PR target/26459
+ * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
+ rs6000_explicit_options.float_gprs.
+
+2006-04-10 Roger Sayle <roger@eyesopen.com>
+
+ * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
+ from ix86_expand_vector_init_low_nonzero. Take an additional
+ one_var argument indicating which element is non-zero. Support
+ one_var != 0 for V4SFmode and V4SImode by permuting the result.
+ (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
+ with one_var instead of ix86_expand_vector_init_low_nonzero.
+
+2006-04-10 Kazu Hirata <kazu@codesourcery.com>
+
+ * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
+ tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
+ global.o, cfglayout.o, lambda-code.o, reg-stack.o,
+ build/genextract.o): Depend on vecprim.h.
+ * cfglayout.c, df-problems.c, function.c, genextract.c,
+ global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
+ tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
+ vecprim.h.
+ * vecprim.h: New.
+
+2006-04-10 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
+ Declare VECs of this type.
+ (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
+ (remove_children): Delete.
+ (add_dwarf_attr): Use VEC routines.
+ (add_AT_flag): Update for changes to add_dwarf_attr.
+ (add_AT_int): Likewise.
+ (add_AT_unsigned): Likewise.
+ (add_AT_long_long): Likewise.
+ (add_AT_vec): Likewise.
+ (add_AT_string): Likewise.
+ (add_AT_die_ref): Likewise.
+ (add_AT_fde_ref): Likewise.
+ (add_AT_loc): Likewise.
+ (add_AT_loc_list): Likewise.
+ (add_AT_addr): Likewise.
+ (add_AT_lbl_id): Likewise.
+ (add_AT_lineptr): Likewise.
+ (add_AT_macptr): Likewise.
+ (add_AT_offset): Likewise.
+ (add_AT_range_list): Likewise.
+ (get_AT): Use VEC_iterate.
+ (remove_AT): Use VEC_ordered_remove.
+ (free_die): Fold remove_children into here; have it use VEC_iterate.
+ (print_die): Use VEC_iterate on attrs.
+ (reverse_die_lists): Don't reverse attr lists.
+ (die_checksum): Use VEC_iterate on attrs.
+ (same_die_p): Likewise.
+ (output_location_lists): Likewise.
+ (build_abbrev_table): Likewise.
+ (size_of_die): Likewise.
+ (unmark_all_dies): Likewise.
+ (output_abbrev_section): Likewise.
+ (output_die): Likewise.
+ (prune_unused_types_walk_attribs): Likewise.
+
+2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * doc/install.texi (*-*-solaris2*): Point to the configure page.
+
+2006-04-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/27057
+ * dwarf2out.c (is_symbol_die): Return true also for namespaces.
+
+2006-04-09 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (store_constructor): Don't bother clearing target if
+ we're about to assign a vector to it using vec_init_optab.
+
+2006-04-10 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-alias.c (lhs_may_store_to): New function.
+ (recalculate_used_alone): Handle LHS of calls.
+
+2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/27034
+ PR target/26508
+ * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
+ * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
+ (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
+ (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
+ (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
+ (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
+ section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
+ stubs. Add ".align 8" directives before all ".dword" directives.
+ (GTHREAD_USE_WEAK): Revise comment.
+ (TARGET_ATTRIBUTE_WEAK): Define.
+ * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
+ dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
+ * stublib.c: New file.
+
+ PR target/26743
+ PR target/11254
+ PR target/10274
+ * pa.md (cbranch patterns): Revise arguments used in calls to
+ output_cbranch, output_bb and output_bvd. Add long branch length
+ attributes.
+ (fbranch patterns): Handle long branches.
+ (jump): Revise length check. Revise arguments for output_lbranch call.
+ Add long branch length attributes.
+ (decrement_and_branch_until_zero): Add long branch length attributes.
+ (output_movb, output_parallel_addb and output_parallel_movb patterns):
+ Likewise. Revise arguments for output_parallel_addb and
+ output_parallel_movb calls.
+ * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
+ output_parallel_movb and output_parallel_addb): Update prototypes.
+ * pa.c (output_cbranch): Revise arguments. Correct handling of
+ nullification in long branches.
+ (output_lbranch): Add new argument to control extraction of delay
+ instruction.
+ (output_bb): Handle long branches.
+ (output_bvb, output_dbra, output_movb, output_parallel_movb,
+ output_parallel_addb): Likewise.
+
+2006-04-09 Richard Sandiford <richard@codesourcery.com>
+
+ PR rtl-optimization/27073
+ * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
+ not REG_EQUIVs.
+
+2006-04-08 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree.h (tree_memory_tag): Add old_used_alone.
+ (SMT_OLD_USED_ALONE): New macro.
+ * tree-ssa-alias.c (recalculate_used_alone): Stop
+ marking things for renaming unnecessarily.
+
+2006-04-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
+ config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
+ config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
+ haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
+ sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
+ tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
+ tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
+ spelling convensions.
+ * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
+ doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
+ typos. Follow spelling conventions.
+
2006-04-07 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_function_arg): Structures are always
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