2007-04-12 Richard Guenther <rguenther@suse.de>
* tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
lower bound and element size if lower bound is not zero
or either of the ARRAY_REF operands is set.
From-SVN: r123738
2007-04-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/24689
PR tree-optimization/31307
* fold-const.c (operand_equal_p): Compare INTEGER_CST array
indices by value.
* gimplify.c (canonicalize_addr_expr): To be consistent with
gimplify_compound_lval only set operands two and three of
ARRAY_REFs if they are not gimple_min_invariant. This makes
it never at this place.
* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
* g++.dg/tree-ssa/pr31307.C: New testcase.
* gcc.dg/tree-ssa/pr24689.c: Likewise.
From-SVN: r123736
2007-04-12 Tobias Burnus <burnus@net-b.de>
PR fortran/31472
* decl.c (match_attr_spec): Allow PRIVATE/PUBLIC
attribute in type definitions.
(gfc_match_private): Allow PRIVATE statement only
in specification part of modules.
(gfc_match_public): Ditto for PUBLIC.
(gfc_match_derived_decl): Allow PRIVATE/PUBLIC attribute only in
specificification part of modules.
2007-04-12 Tobias Burnus <burnus@net-b.de>
PR fortran/31472
* gfortran.dg/access_spec_1.f90: New test.
* gfortran.dg/access_spec_2.f90: New test.
* gfortran.dg/non_module_public.f90: Match new error message.
From-SVN: r123735
2007-04-11 Paolo Carlini <pcarlini@suse.de>
* config/locale/gnu/c_locale.h: Do not include <langinfo.h>
and <iconv.h>.
* config/locale/gnu/c++locale_internal.h: Include <langinfo.h>.
From-SVN: r123726
2007-04-11 Paul Thomas <pault@gcc.gnu.org>
PR testsuite/31538
* gfortran.dg/result_in_spec_1.f90: Increase dimension from 2
to 4 at line 38 to fix bounds problem.
From-SVN: r123725
* reload.c (find_reloads_toplev, find_reloads_address,
find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
not a pointer equality test, to decide if we need to call
push_reg_equiv_alt_mem.
From-SVN: r123724
PR 30735
PR 31090
* doc/invoke.texi: Document --params max-aliased-vops and
avg-aliased-vops.
* tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
debug_memory_partitions): Move to tree-flow.h
* params.h (AVG_ALIASED_VOPS): Define.
* tree-ssa-alias.c (struct mp_info_def): Remove. Update all
users.
(mp_info_t): Likewise.
(get_mem_sym_stats_for): New.
(set_memory_partition): Move from tree-flow-inline.h.
(mark_non_addressable): Only clear the set of symbols for the
partition if it exists.
(dump_memory_partitions): Move from tree-ssa-operands.c
(debug_memory_partitions): Likewise.
(need_to_partition_p): New.
(dump_mem_ref_stats): New.
(debug_mem_ref_stats): New.
(dump_mem_sym_stats): New.
(debug_mem_sym_stats): New.
(update_mem_sym_stats_from_stmt): New.
(compare_mp_info_entries): New.
(mp_info_cmp): Call it.
(sort_mp_info): Change argument to a list of mem_sym_stats_t
objects.
(get_mpt_for): Move from tree-ssa-operands.c.
(find_partition_for): New.
(create_partition_for): Remove.
(estimate_vop_reduction): New.
(update_reference_counts): New.
(build_mp_info): New.
(compute_memory_partitions): Refactor.
Document new heuristic.
Call build_mp_info, update_reference_counts,
find_partition_for and estimate_vop_reduction.
(compute_may_aliases): Populate virtual operands before
calling debugging dumps.
(delete_mem_sym_stats): New.
(delete_mem_ref_stats): New.
(init_mem_ref_stats): New.
(init_alias_info): Call it.
(maybe_create_global_var): Remove alias_info argument.
Get number of call sites and number of pure/const call sites
from gimple_mem_ref_stats().
(dump_alias_info): Call dump_memory_partitions first.
(dump_points_to_info_for): Show how many times a pointer has
been dereferenced.
* opts.c (decode_options): For -O2 set --param
max-aliased-vops to 500.
For -O3 set --param max-aliased-vops to 1000 and --param
avg-aliased-vops to 3.
* fortran/options.c (gfc_init_options): Remove assignment to
MAX_ALIASED_VOPS.
* tree-flow-inline.h (gimple_mem_ref_stats): New.
* tree-dfa.c (dump_variable): Dump memory reference
statistics.
Dump NO_ALIAS* settings.
(referenced_var_lookup): Tidy.
(mem_sym_stats): New.
* tree-ssa-copy.c (may_propagate_copy): Return true if DEST
and ORIG are different SSA names for a memory partition.
* tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
* tree-flow.h (struct mem_sym_stats_d): Define.
(mem_sym_stats_t): Define.
(struct mem_ref_stats_d): Define.
(struct gimple_df): Add field mem_ref_stats.
(enum noalias_state): Define.
(struct var_ann_d): Add bitfield noalias_state.
(mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
debug_mem_ref_stats, debug_memory_partitions,
debug_mem_sym_stats): Declare.
* tree-ssa-structalias.c (update_alias_info): Update call
sites, pure/const call sites and asm sites in structure
returned by gimple_mem_ref_stats.
Remove local variable IS_POTENTIAL_DEREF.
Increase NUM_DEREFS if the memory expression is a potential
dereference.
Call update_mem_sym_stats_from_stmt.
If the memory references memory, call
update_mem_sym_stats_from_stmt for all the direct memory
symbol references found.
(intra_create_variable_infos): Set noalias_state field for
pointer arguments according to the value of
flag_argument_noalias.
* tree-ssa-structalias.h (struct alias_info): Remove fields
num_calls_found and num_pure_const_calls_found.
(update_mem_sym_stats_from_stmt): Declare.
* params.def (PARAM_MAX_ALIASED_VOPS): Change description.
Set default value to 100.
(PARAM_AVG_ALIASED_VOPS): Define.
From-SVN: r123719
2007-04-11 Richard Guenther <rguenther@suse.de>
PR middle-end/31530
* simplify-rtx.c (simplify_binary_operation_1): Do not simplify
a * -b + c as c - a * b if we honor sign dependent rounding.
From-SVN: r123715
PR tree-optimization/31343
* tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
(build_polynomial_chrec): Return a scalar when the evolution is zero.
* testsuite/gcc.dg/vect/pr31343.c: New.
From-SVN: r123708
* config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
alternative.
(fix_trunc<mode>si_sse): Ditto.
(*floatsisf2_mixed, *floatsisf2_sse): Ditto.
(*floatsidf2_mixed, *floatsidf2_sse): Ditto.
(*floatdisf2_mixed, *floatdisf2_sse): Ditto.
(*floatdidf2_mixed, *floatdidf2_sse): Ditto.
(floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
expander using SSEMODEF mode macro.
(floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
expander using SSEMODEF mode macro.
(*floathi<mode>2_i387): Rename from *floathisf2_i387 and
*floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
(*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
*floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
(*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
*floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
(float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
Macroize insn using X87MODEF mode macro.
From-SVN: r123693
2007-04-09 Kyle Galloway <kgallowa@redhat.com>
* interpret-run.cc: If debugging, check if args is NULL before
getting the "this" pointer.
From-SVN: r123681
PR c++/31449
* class.c (build_base_path): Ensure that the converted pointer has
the same cv-qualification as the input.
PR c++/31449
* g++.dg/init/const5.C: New test.
From-SVN: r123679
2007-04-09 Andrew Ruder <andy@aeruder.net>
* sendmsg.c: Added __objc_msg_forward2, a hook that allows
external libraries to provide a function that returns the real
forwarding function based on both the selector and the receiver.
* objc/objc-api.h: Define __objc_msg_forward2.
From-SVN: r123678
PR libgcj/23758
* java/lang/natPosixProcess.cc (nativeSpawn): Move building of
environment before the fork.
* testsuite/libjava.lang/Process_7.java: New test.
* testsuite/libjava.lang/Process_7.out: Its expected results.
* testsuite/libjava.lang/Process_7.jar: Generated file.
From-SVN: r123676
* gcc.dg/tree-ssa/foldaddr-3.c: New file.
* tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
multiple fields of union.
From-SVN: r123674
* cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
(create_preheaders): Check that loops are available.
(fix_loop_structure): Clean up, improve comments.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
Check that loops are available. Set LOOP_CLOSED_SSA to the loops
state flags.
* tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
* predict.c (tree_estimate_probability): Do not call
calculate_dominance_info. Call create_preheaders.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
flags.
* cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
* cfgloop.h (LOOP_CLOSED_SSA): New constant.
* tree-cfg.c (tree_split_edge): Make an assert more precise.
* tree-ssa-threadedge.c (thread_across_edge): Comment the function
arguments.
From-SVN: r123670
