+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
+ passed on the stack.
+ (m32c_init_cumulative_args): When a function returns a structure,
+ always pass the pointer to that return area on the stack.
+ (m32c_function_arg_advance): Don't increment the parameter number
+ if we're processing the returned structure pointer.
+ (pushm_info): Reverse order of registers.
+
+2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
+ assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
+ number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
+ estimate_numbers_of_iterations_loop): Use build_int_cst instead of
+ build_int_cst_type.
+ * tree-chrec.c (chrec_fold_multiply_poly_poly,
+ chrec_fold_multiply): Same.
+ * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
+ force_expr_to_var_cost): Same.
+ * tree-mudflap.c (mf_xform_derefs_1): Same.
+ * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
+
+2006-04-07 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
+ treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
+ insn.
+
+2006-04-07 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_early_inlining): Collect garbage.
+
+2006-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26135
+ * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
+ loads for store copy-prop.
+ (copy_prop_visit_stmt): Likewise.
+
+2006-04-05 Robert Millan <robertmh@gnu.org>
+
+ * gcc/config/i386/linux.h: Add a comment to mark macros that are
+ being overriden in config/k*bsd-gnu.h.
+ * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
+ DYNAMIC_LINKER.
+ * gcc/config/knetbsd-gnu.h: Ditto.
+
+2006-04-06 Jan Hubicka <jh@suse.cz>
+
+ PR profile/20815
+ PR profile/26399
+ * coverage.c (coverage_checksum_string): Reorganize loop to not read
+ after buffer.
+
+2006-04-06 Mike Stump <mrs@apple.com>
+
+ * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
+ for HAVE_nonlocal_goto to be consistent.
+ (expand_builtin_nonlocal_goto): Likewise.
+ (expand_builtin_strcmp): Use #ifdef instead of #if
+ for HAVE_cmpstrnsi to be consistent.
+
+2006-04-05 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
+ vs m32c.
+
+2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
+ got-relative addressing for anything but SImode.
+
+ * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
+ even if the calling function doesn't modify them.
+
+2006-04-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26919
+ * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
+ to cgraph_estimate_size_after_inlining.
+
+2006-04-05 Alan Modra <amodra@bigpond.net.au>
+
+ * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
+
+2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR tree-optimization/26996
+ * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
+ VECTOR_TYPE variables.
+
+2006-04-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26763
+ * fold-const.c (fold_comparison): Move folding of
+ PTR + CST CMP PTR + CST ...
+ (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
+
+2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/install.texi (Prerequisites): Refine some wording on
+ bootstrapping and ksh.
+ Move the version numbers of DejaGnu here from the testing section
+ and fix casing of names.
+ Fix markup and clarify wording for autogen requirements.
+ Refer to GCJ instead of just java.
+ Refer to SVN instead of CVS.
+ Describe diffutils as useful instead of necessary.
+ (Downloading the source): Refer to SVN instead of CVS.
+ Adjust a link to our web site accordingly.
+ (Configuration): Fix casing of Bison.
+ (Building): Refer to SVN instead of CVS.
+ Fix a sentence on the use of Bison and remove duplicate (and
+ incorrect) version number of Bison requirement.
+ Remove one redundant list of packages needed for building.
+ (Specific): Avoid reference to CVS.
+
+2006-04-04 Eric Christopher <echristo@apple.com>
+
+ * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
+ (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
+ (rs6000_handle_struct_attribute): New.
+ (rs6000_ms_bitfield_layout_p): Ditto.
+
+2006-04-04 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
+ NULL for dso parameter to atexit_common.
+
+2006-04-04 Eric Christopher <echristo@apple.com>
+
+ * config/i386/i386.c (machopic_output_stub): Output \t
+ between instructions and operands.
+
+2006-04-04 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (num_insns_constant_wide): Change
+ satisfies_constraint_[IL] to explicit tests on value.
+
+2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
+ set_nb_iterations_in_loop): Use build_int_cst instead of
+ build_int_cst_type.
+ * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
+ build_int_cst instead of convert.
+
+2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
+ new value 2 for incoming.
+ * function.c (expand_function_start): Call struct_value_rtx
+ with incoming as 2.
+ * config/sparc/sparc.md: Comment updated_return.
+ * config/sparc/sparc.opt: Add -mstd-struct-return option.
+ * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
+ struct return if sparc_std_struct_return and incoming is 2.
+ (print_operand): Do not adjust return if
+ sparc_std_struct_return.
+
+2006-04-04 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
+ convert in the middle-end.
+ * expr.c (store_expr, store_constructor, get_inner_reference,
+ expand_expr_real_1, string_constant, try_casesi, try_tablejump):
+ Likewise.
+ * tree.c (build_range_type): Likewise.
+
+2006-04-04 Tom Tromey <tromey@redhat.com>
+
+ * doc/install.texi (Prerequisites): Mention jar.
+
+2006-04-04 Daniel Berlin <dberlin@dberlin.org>
+
+ * doc/tree-ssa.texi (Preserving the virtual ssa form): New
+ subsection.
+
+2006-04-04 Matthias Klose <doko@debian.org>
+
+ * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
+
+2006-04-03 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/extend.texi (Function Attributes): Rewrite visibility
+ attribute documentation.
+ * doc/invoke.texi (C++ Dialect Options): Rewrite
+ -fvisibility-inlines-hidden documentation to describe something
+ entirely different, although in practise compatible.
+ (Code Gen Options): Warn about system headers in -fvisibiltity=
+ documentation.
+
+ * doc/extend.texi (Other Builtins): Document that
+ __builtin_nan is a compile-time constant only when its argument
+ is valid.
+
+2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
+
+ * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
+ trying to remove TRUNCATE check if all bits outside the new mode
+ are identical to the sign bit.
+
+2006-04-03 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
+ and operand scanning in some common cases.
+
+2006-04-03 Paolo Bonzini <bonzini@gnu.org>
+ Dale Johannesen <dalej@apple.com>
+
+ PR target/19653
+ * regclass.c (struct reg_pref): Update documentation.
+ (regclass): Set prefclass to NO_REGS if memory is the best option.
+ (record_reg_classes): Cope with a prefclass set to NO_REGS.
+ * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
+ into account. For non-registers, equate an empty preferred
+ reload class to a `!' in the constraint; move the if clause to
+ do so after those that reject the insn.
+ (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
+ return NO_REGS.
+ (find_dummy_reload): Likewise.
+ * doc/tm.texi (Register Classes): Document what it means
+ if PREFERRED_*_RELOAD_CLASS return NO_REGS.
+ * config/i386/i386.c (ix86_preferred_reload_class): Force
+ using SSE registers (and return NO_REGS for floating-point
+ constants) if math is done with SSE.
+ (ix86_preferred_output_reload_class): New.
+ * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
+ * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
+ * config/i386/i386.md: Remove # register preferences.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR bootstrap/26992
+ * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
+ chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
+ the type of nb_iter.
+ (instantiate_parameters_1): Convert the operands before calling
+ chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
+ * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
+
+2006-04-02 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (dummy_object): Use build_int_cst instead of convert.
+ * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
+ instead of convert.
+ * dojump.c (do_jump): Likewise.
+ * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
+ * gimplify.c (gimple_boolify, gimplify_init_constructor,
+ gimplify_boolean_expr): Likewise.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * varasm.c (array_size_for_constructor): Likewise.
+ * tree-object-size.c (compute_object_offset): Likewise.
+
+2006-04-02 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/26977
+ * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
+ NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR tree-optimization/26939
+ * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
+ at_stmt. Convert the type of operands before calling
+ build_polynomial_chrec.
+ (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
+ add_to_evolution_1.
+ (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
+ (instantiate_parameters_1): Convert the type of operands before calling
+ build_polynomial_chrec.
+ * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
+ chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
+ reset_evolution_in_loop): Insert asserts to check the types of the
+ operands.
+ (chrec_type): Moved...
+ (eq_evolutions_p): Use operand_equal_p.
+ * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
+ the types of the operands.
+ (chrec_type): ...here.
+ * tree-data-ref.c (create_data_ref): Convert the operands before
+ calling chrec_replace_initial_condition.
+ (same_access_functions, analyze_subscript_affine_affine,
+ analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
+ (compute_subscript_distance, analyze_ziv_subscript,
+ analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
+ analyze_miv_subscript): Convert the operands before calling
+ chrec_fold_minus or chrec_fold_plus.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-data-ref.c (compute_all_dependences): Use a pointer to
+ the dependence_relations vector.
+ (compute_data_dependences_for_loop): Adjust call to
+ compute_all_dependences.
+
+2006-04-01 Roger Sayle <roger@eyesopen.com>
+ Richard Henderson <rth@redhat.com>
+
+ * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
+ gimple_boolify on the condition before calling gimplify_expr.
+
+2006-03-31 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
+ to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
+ the frame size. Update to use the new macros.
+ * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
+ * config/xtensa/ieee754-df.S: Likewise.
+
+2006-03-31 Richard Henderson <rth@redhat.com>
+
+ * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
+ (make_edges): ... here. Control fallthru creation with a local
+ variable. Do not play with fake edges.
+ (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
+ (make_goto_expr_edges): Don't play with fake edges. Make for_call
+ a boolean.
+
+2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
+
+ * dwarf2.h (DW64_CIE_ID): Define.
+ * dwarf2out.c (DWARF_CIE_ID): Define.
+ (output_call_frame_info): Output 0xffffffff before standard 8-byte
+ length header. Use DWARF_CIE_ID.
+ (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
+ dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
+
+2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux-atomic.asm: New file.
+ * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
+
+2006-03-31 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/cond.md: Set condition flags properly throughout.
+ * config/m32c/minmax.md: Likewise.
+ * config/m32c/prologue.md: Likewise.
+ * config/m32c/bitops.md: Likewise.
+ * config/m32c/muldiv.md: Likewise.
+ * config/m32c/mov.md: Likewise.
+ * config/m32c/addsub.md: Likewise.
+ * config/m32c/m32c.md: Likewise.
+ * config/m32c/jump.md: Likewise.
+ * config/m32c/shift.md: Likewise.
+
+ * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
+ conditionally output the pattern for this.
+ * config/m32c/m32c.c (flags_needed_for_conditional): New.
+ (m32c_compare_redundant): New.
+ (m32c_output_compare): New.
+ * config/m32c/m32c-protos.h (m32c_output_compare): New.
+
+ * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
+ dest, not src. Allow other 4-byte modes.
+
+2006-03-30 Denis Chertykov <denisc@overta.ru>
+
+ * doc/md.texi: Refer to avr/constraints.md instead of
+ avr/avr.h.
+
+2006-03-30 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
+ signed vs. unsigned comparison failures on some hosts.
+
+2006-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26459
+ * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
+ change to FLOAT_REGS.
+
+ * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
+ (rs6000_override_options): Use it.
+ (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
+ only for -mabi=spe/no-spe and -mabi=altivec.
+
+2006-03-30 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
+ !Zdynamiclib.
+
+2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Rename docdir to gcc_docdir.
+
+2006-03-30 Roger Sayle <roger@eyesopen.com>
+
+ PR target/17959
+ * expr.c (emit_group_store): Optimize group stores into a pseudo
+ register by using a paradoxical subreg to initialize the destination
+ if the first or last member of the group specifies a "low part".
+
+2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ PR target/26734
+ * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
+ * target.h (struct gcc_target.speculate_insn): Change type of the
+ second parameter to 'int'.
+ * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
+ the second operand of the DEPS_LIST.
+ (copy_DEPS_LIST_list): Update reference to the second operand of the
+ DEPS_LIST.
+ * rtl.h (alloc_DEPS_LIST): Update signature.
+ * sched-int.h (ds_t): Change typedef to 'int'.
+ (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
+
+2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * haifa-sched.c (try_ready): Change condition to restore
+ non-speculative pattern of the instruction.
+ (process_insn_depend_be_in_spec): Code to keep probability of the
+ speculative dependence non-decreasing.
+
+2006-03-30 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
+ (single_move_for_movmem): ... this. Also change all uses.
+ (bfin_expand_strmov): Renamed to...
+ (bfin_expand_movmem): ... this. Also change all uses.
+ * config/bfin/bfin.md (movstrsi): Renamed to...
+ (movstrsi): ...this.
+
+2006-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/26830
+
+ * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
+ (copy_prop_visit_stmt): Remove write-only variable ann.
+ (init_copy_prop): Check variable loop depth here. Do not simulate
+ memory-tag and virtual operand PHIs except for store copy prop.
+
+2006-03-30 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
+ variants with double arguments.
+
2006-03-29 David Edelsohn <edelsohn@gnu.org>
* genpreds.c (write_tm_constrs_h): Delete variable p.
+ * genconditions.c (write_header): Add tm-constrs.h to included
+ headers.
+ * genpeep.c (main): Add toplev.h to included headers.
+ * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
+ (build/genpeep.o): Add toplev.h dependency.
+ * config/rs6000/constraints.md: Add "W" constraint.
2006-03-29 Roger Sayle <roger@eyesopen.com>
2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
- * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
+ * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
tmake_file.
* config/s390/s390.c (S390_scalar_mode_supported_p): New function.
(NR_C_MODES): Add TDmode, DDmode and SDmode.
(s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
(s390_function_arg_float): Allow SDmode and DDmode values to be
passed in floating point registers.
- (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
+ (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
check with SCALAR_FLOAT_MODE_P.
(TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
the equivalent ~X & Y, and the symmetry related transformations.
- (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
+ (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
~X & Y, and symmetry related transforms.
2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
- * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
+ * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
s390_class_max_nregs): New function prototypes.
* config/s390/s390.c (REGNO_PAIR_OK): New macro.
(s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
Don't test for lambda_vector_lexico_pos.
(same_access_functions, add_multivariate_self_dist,
add_other_self_distances, dir_from_dist): New.
- (build_classic_dir_vector): Replace implementation almost identical to
+ (build_classic_dir_vector): Replace implementation almost identical to
build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
dir_from_dist.
(subscript_dependence_tester_1): New.
(compute_data_dependences_for_loop): Compute the loop nest, and give
up if the nest is not well formed.
* tree-data-ref.h (loop_p): New.
- (struct data_dependence_relation): Replace size_vect field with
+ (struct data_dependence_relation): Replace size_vect field with
loop_nest, a vec of loops.
(DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
(DDR_LOOP_NEST): New.
splittable_symbolic_operand.
(mips_use_anchors_for_symbol_p): New function.
* config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
- (mips_split_p): Declare.
+ (mips_split_p): Declare.
2006-03-16 Richard Sandiford <richard@codesourcery.com>
* ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
* lists.c (unused_deps_list): New variable.
- (free_list): Add assertions to verify the proper distinguishing
+ (free_list): Add assertions to verify the proper distinguishing
between INSN_LISTs and DEPS_LISTs.
(find_list_elem, remove_list_elem, remove_list_node): New static
functions.
* config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
(EXTRA_CONSTRAINT): Likewise.
* config/vax/vax.md (four unnamed insns): Likewise.
-
+
2006-03-15 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (minipool_pad): New.
2006-03-13 Kazu Hirata <kazu@codesourcery.com>
* doc/invoke.texi (-fdump-rtl-loop): Remove.
- (-dL, -fdump-rtl-loop2): Update the dump file names
+ (-dL, -fdump-rtl-loop2): Update the dump file names
* doc/invoke.texi: Update dump file names.
2006-03-10 Jason Merrill <jason@redhat.com>
PR c/26004
- * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
+ * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
the target was declared 'register'.
2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
* config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
when building with libgloss.
(sh*elf): Implement --without-fp option.
- (sh64-superh-linux*): Don't multilib.
+ (sh64-superh-linux*): Don't multilib.
2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
(*branch_zero<mode>): Rename to...
(*branch_order<mode>): ...this. Remove mode from comparison operator.
Use mips_output_order_conditional_branch. Only accept ordered
- comparisons.
+ comparisons.
(*branch_zero<mode>_inverted): Rename to...
(*branch_order<mode>_inverted): ...this and update as for
*branch_order<mode>.
(tree_ssa_forward_propagate_single_use_vars): Return
TODO_update_smt_usage if we need to update SMT usage.
(pass_forwprop): Remove TODO_update_smt_usage.
-
+
2006-03-03 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-operands.c: Tidy whitespace. Fix spelling.
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