* 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
* 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
* langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
lhd_tree_inlining_end_inlining): Remove.
* langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
end_inlining hooks.
* langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
lhd_tree_inlining_end_inlining): Remove prototypes.
(LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
LANG_HOOKS_TREE_INLINING_START_INLINING,
LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
* c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
not set it.
cp/
* cp-objcp-common.h (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS):
Do not set it.
(LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do not set it.
* tree.c (cp_add_pending_fn_decls): Remove.
* cp-tree.h (cp_add_pending_fn_decls): Remove prototype.
From-SVN: r123658
* tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
argument "reliable".
(infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
Add argument "reliable". Propagate it through calls.
(infer_loop_bounds_from_undefined): Derive number of iterations
estimates from references in blocks that do not dominate loop latch.
(gcov_type_to_double_int): New function.
(estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
and expected_loop_iterations_unbounded.
* cfgloopanal.c (expected_loop_iterations_unbounded): New function.
(expected_loop_iterations): Use expected_loop_iterations_unbounded.
* tree-data-ref.c (estimated_loop_iterations): Export.
(get_references_in_stmt): Fix -- do not return addresses of local
objects.
* cfgloop.h (expected_loop_iterations_unbounded,
estimated_loop_iterations): Declare.
From-SVN: r123630
* config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
(*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
Use output_387_reg_move().
(*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
expander using X87MODEF12 mode macro.
(*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
choosing register preferences. Use output_387_reg_move().
(*truncxfdf2_mixed): Combine alternatives, use "r" alternative
instead of "x". Use output_387_reg_move().
(*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
*truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
(*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
*truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
Use output_387_reg_move().
(*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
mode macro.
(*truncxf?f_i387 splitter): Ditto.
From-SVN: r123626
* doc/extend.texi (Other Builtins): Add decimal float variants
of signbit.
* builtins.def: Ditto.
* builtins.c (expand_builtin): Ditto.
testsuite/
* gcc.dg/dfp/signbit-1.c
* gcc.dg/dfp/signbit-2.c
M gcc/doc/extend.texi
M gcc/builtins.c
M gcc/ChangeLog
A gcc/testsuite/gcc.dg/dfp/signbit-2.c
A gcc/testsuite/gcc.dg/dfp/signbit-1.c
M gcc/testsuite/ChangeLog
M gcc/builtins.def
From-SVN: r123528
2007-04-05 Uros Bizjak <ubizjak@gmail.com>
H.J. Lu <hongjiu.lu@intel.com>
PR target/31478
* config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
of V8HImode when calling ix86_binary_operator_ok.
(sse2_pmaddwd): Call ix86_binary_operator_ok.
(sdot_prodv8hi): Operands 1 and 2 must be register.
Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
From-SVN: r123527
PR middle-end/22156
* tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
all_no_warning.
(struct sra_walk_fns): Remove use_all parameter from use.
(sra_hash_tree): Handle BIT_FIELD_REFs.
(sra_elt_hash): Don't hash bitfld blocks.
(sra_elt_eq): Skip them in parent compares as well. Handle
BIT_FIELD_REFs.
(sra_walk_expr): Don't maintain or pass down use_all_p.
(scan_use): Remove use_all parameter.
(scalarize_use): Likewise. Re-expand assignment to
BIT_FIELD_REF of gimple_reg. De-scalarize before input or
output, and re-scalarize after output. Don't mark anything
for no warning.
(scalarize_ldst): Adjust.
(scalarize_walk_gimple_modify_statement): Likewise.
(build_element_name_1): Handle BIT_FIELD_REFs.
(instantiate_element): Don't warn for any element whose parent
is used as a whole.
(instantiate_missing_elements_1): Return the sra_elt.
(canon_type_for_field): New.
(try_instantiate_multiple_fields): New.
(instantiate_missing_elemnts): Use them.
(mark_no_warning): Removed.
(generate_one_element_ref): Handle BIT_FIELD_REFs.
(REPLDUP, sra_build_elt_assignment): New.
(generate_copy_inout): Use them.
(generate_element_copy): Likewise. Handle bitfld differences.
(generate_element_zero): Don't recurse for blocks. Use
sra_build_elt_assignment.
(generate_one_element_int): Take elt instead of var. Use
sra_build_elt_assignment.
(generate_element_init_1): Adjust.
(scalarize_use, scalarize_copy): Use REPLDUP.
(scalarize_ldst): Move assert before dereference.
(dump_sra_elt_name): Handle BIT_FIELD_REFs.
From-SVN: r123524
* regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
(regmove_bb_head): Remove.
(copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
(regmove_optimize): Don't do unnecessary CFG fixes for non-existing
problems with fixup_match_1.
Don't initialize/free regmove_bb_head.
(reg_is_remote_constant_p): If an insn is in the same basic block
but not before INSN, consider it remote, too.
From-SVN: r123522