Steven Bosscher [Tue, 12 Apr 2005 21:33:53 +0000 (21:33 +0000)]
Makefile.in: Add function.h to BASIC_BLOCK_H.
* Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all
references to gt-tree-cfg.h.
* basic-block.h (struct basic_block_def): Don't skip rbi
for garbage collection.
(struct reorder_block_def): Make GTY-able.
(struct control_flow_graph): New structure.
(n_edges, n_basic_blocks, last_basic_block, basic_block_info,
BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
but instead defines to the control_flow_graph for cfun.
(label_to_block_map): New define, points to the label map of
the control_flow_graph for cfun.
(n_edges_for_function, n_basic_blocks_for_function,
last_basic_block_for_function, basic_block_info_for_function,
EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
basic_block_info_for_function, label_to_block_map_for_function):
Counterparts for the above, taking a struct function as an extra
argument.
(alloc_rbi_pool, free_rbi_pool): Remove prototypes.
* cfg.c: (n_edges, n_basic_blocks, last_basic_block,
basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
(alloc_rbi_pool, free_rbi_pool): Remove.
(initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
* cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
here...
(cfg_layout_finalize) ... and don't free it here.
* cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
garbage collected.
* flow.c (free_basic_block_vars): Set label_to_block_map and
n_edges to zero too.
* function.h (struct function): Add cfg field.
* function.c (allocate_struct_function): Allocate the cfg.
* tree-cfg.c (label_to_block_map): Remove.
(build_tree_cfg): Don't allocate the rbi pool here...
(delete_tree_cfg_annotations): ...and don't free it here.
Also don't nullify label_to_block_map for cfun.
Co-Authored-By: Jan Hubicka <jh@suse.cz> Co-Authored-By: Stuart Hastings <stuart@apple.com>
From-SVN: r98048
* config/bfin/bfin.c (bfin_library_id_string): Remove.
(bfin_library_id): New variable.
(bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
instead of bfin_library_id_string.
(bfin_handle_option): New function.
(override_options): Remove most code to deal with shared library IDs,
just check they aren't used without -mid-shared-library.
(TARGET_HANDLE_OPTION): Define.
* config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
* config/bfin/bfin.opt (mshared-library-id=): New.
* lib/target-supports.exp (check_effective_target_vect_condition): New.
* gcc.dg/vect/vect-ifcvt-1.c: New test.
* gcc.dg/vect/vect-ifcvt-2.c: New test.
* gcc.dg/vect/vect-ifcvt-3.c: New test.
* gcc.dg/vect/vect-ifcvt-4.c: New test.
* gcc.dg/vect/vect-ifcvt-5.c: New test.
* gcc.dg/vect/vect-ifcvt-6.c: New test.
* gcc.dg/vect/vect-ifcvt-7.c: New test.
* gcc.dg/vect/vect-none.c: Now one loop is vectorized.
* gcc.dg/vect/vect-dv-1.c: New test.
* gcc.dg/vect/vect-dv-2.c: New test.
t-slibgcc-darwin: Don't put shared libraries in directories other than $(slibdir).
* config/t-slibgcc-darwin: Don't put shared libraries in
directories other than $(slibdir).
* config/rs6000/darwin.h: Find -m64 libgcc under the name the
OS uses for it.
Diego Novillo [Mon, 11 Apr 2005 22:06:46 +0000 (22:06 +0000)]
re PR middle-end/20933 (gcc can no longer bootstrap itself)
PR tree-optimization/20933
* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
logic to reject aliases between read-only and writable
variables ...
(may_alias_p): ... here.
(get_tmt_for): Do not associate read-only tags to pointers
whose pointed-to type is not read-only.
* tree-ssa.c (verify_ssa): Check that memory stores have at
least one V_MAY_DEF or V_MUST_DEF.
testsuite/ChangeLog
PR tree-optimization/20933
* gcc.dg/tree-ssa/pr20933.c: New test.
David Edelsohn [Mon, 11 Apr 2005 20:17:38 +0000 (20:17 +0000)]
tree-ssa-loop-im.c: Include real.h.
* tree-ssa-loop-im.c: Include real.h.
(determine_invariantness_stmt): If real division divisor is
invariant and flag_unsafe_math_optimizations enabled, generate
invariant reciprocal for hoisting.
* Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
Andrew Pinski [Mon, 11 Apr 2005 19:00:46 +0000 (19:00 +0000)]
fold-const.c (fold_binary_op_with_conditional_arg): use fold_buildN instead of "fold (buildN" in some non obvious places.
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* fold-const.c (fold_binary_op_with_conditional_arg):
use fold_buildN instead of "fold (buildN" in some
non obvious places.
(fold_unary): Likewise.
(fold_binary): Likewise.
Daniel Berlin [Mon, 11 Apr 2005 18:55:47 +0000 (18:55 +0000)]
re PR tree-optimization/20612 (ICE in verify_ssa for -ftree-loop-linear)
2005-04-11 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/20612
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
handling
(perfect_nestify): preheaderbb is *not* part of loop of the
old destination.
Andrew Pinski [Mon, 11 Apr 2005 18:25:08 +0000 (18:25 +0000)]
alias-1.c: New test.
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.dg/tree-ssa/alias-1.c: New test.
2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
* tree-ssa-alias.c (may_alias_p): If the variable
is a global variable and the pointer is parameter
and -fargument-noalias-global is used, then
the pointer cannot alias the variable.
Diego Novillo [Mon, 11 Apr 2005 15:05:50 +0000 (15:05 +0000)]
re PR tree-optimization/20920 (ICE with eh and VRP)
PR tree-optimization/20920
* tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
SSA_NAME flows through an abnormal edge.
* tree-vrp.c (infer_value_range): Ignore SSA names that flow
through abnormal edges.
(maybe_add_assert_expr): Likewise.
PR tree-optimization/20920
* g++.dg/tree-ssa/pr20920.C: New test.
Paolo Bonzini [Mon, 11 Apr 2005 07:31:21 +0000 (07:31 +0000)]
tree-vect-analyze (vect_determine_vectorization_factor): Do not use GET_MODE_NUNITS.
2005-04-11 Paolo Bonzini <bonzini@gnu.org>
* tree-vect-analyze (vect_determine_vectorization_factor):
Do not use GET_MODE_NUNITS.
* tree-vect-transform.c (vect_get_vec_def_for_operand,
(vectorizable_load, vect_transform_loop): Likewise.
* builtins.c (expand_builtin_int_roundingfn): Handle
BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
(fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
BUILT_IN_LLCEIL{,F,L}.
(fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
(mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
(expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
* convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
into lceil built-in function and (long long int)ceil{,f,l} into
llceil built-in function.
* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
BUILT_IN_LLCEIL.
testsuite:
* gcc.dg/builtins-53.c: Also check (int)ceil* and
(long long int)ceil*.
re PR libfortran/20788 (Loading libgfortran.so clobbers C redirection of stdin/stdout/stderr)
PR libfortran/20788
* runtime/environ.c (init_unsigned_integer): Function for
environment variables we want to be positive.
(init_integer): Function to allow negative environment
variables (e.g. for GFORTRAN_STDIN_UNIT).
Steven Bosscher [Sun, 10 Apr 2005 08:45:25 +0000 (08:45 +0000)]
cselib.c (clear_table): Rename to cselib_clear_table.
* cselib.c (clear_table): Rename to cselib_clear_table.
* cselib.h (cselib_clear_table): Add prototype.
* gcse.c (gcse_main): Make 'f' argument unused.
(alloc_gcse_mem): Do not walk the insn chain, walk the contents
of each basic block instead.
(compute_sets, compute_hash_table_work): Likewise.
(constprop_register): Change int 'alter_jumps' argument to bool.
(do_local_cprop): Likewise.
(local_cprop_pass): Likewise. Also walk basic blocks instead of
the insn chain. Explicitly clear the cselib tables after finishing
one basic block. Make sure there are no unterminated libcall blocks.
Update compute_sets call.
(cprop): Walk basic blocks instead of the insn chain.
(one_cprop_pass, compute_ld_motion_mems, compute_store_table):
Likewise.
(bypass_jumps): Update alloc_gcse_mem, compute_sets, and
one_cprop_pass calls.
Thomas Koenig [Sun, 10 Apr 2005 08:35:39 +0000 (08:35 +0000)]
[multiple changes]
2005-04-10 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/17992
PR libfortran/19568
PR libfortran/19595
PR libfortran/20005
PR libfortran/20092
PR libfortran/20131
PR libfortran/20138
PR libfortran/20661
PR libfortran/20744
* io/transfer.c (top level): eor_condition: New static variable.
(read_sf): Remove unnecessary zeroing of buffer (there is enough
information in its length).
Return a string of length 0 (to be padded by caller) if EOR was
seen previously.
Remove erroneous special casing of EOR for standard input.
Set eor_condition for non-advancing I/O if an end of line was
detected.
Increment ioparm.size if necessary.
(formatted_transfer): Skip the function if there is an EOR condition.
(data_transfer_init): Initialize eor_condition to zero (false).
(next_record_r): Clear sf_seen_eor if a \n has been seen already.
(finalize_transfer): If there is an EOR condition, raise the error.
2005-04-10 Thomas Koenig <Thomas.Koenig@online.de>
* eor_handling_1.f90: New test case.
* eor_handling_2.f90: New test case.
* eor_handling_3.f90: New test case.
* eor_handling_4.f90: New test case.
* eor_handling_5.f90: New test case.
* noadv_size.f90: New test case.
* pad_no.f90: New test case.
re PR target/20126 (Inlined memcmp makes one argument null on entry)
gcc/ChangeLog:
PR target/20126
* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
set the original address pseudo to the correct value before the
original insn, if possible, and leave the insn alone, otherwise
create a new pseudo, set it and replace it in the insn.
* recog.c (validate_change_maybe_volatile): New.
* recog.h (validate_change_maybe_volatile): Declare.
gcc/testsuite/ChangeLog:
* gcc.dg/pr20126.c: New.
* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(ix86_setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(ix86_va_start): Don't set up fields that won't be used.
* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
va_list_{g,f}pr_counter_field.
(setup_incoming_varargs): Don't do anything if reg_save
area will not be used. Only save registers that tree-stdarg.c
detected they need saving.
(rs6000_va_start): Don't set up fields that won't be used.
* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
(TARGET_STDARG_OPTIMIZE_HOOK): Define.
* gcc.dg/tree-ssa/stdarg-1.c: New test.
* gcc.dg/tree-ssa/stdarg-2.c: New test.
* gcc.dg/tree-ssa/stdarg-3.c: New test.
* gcc.dg/tree-ssa/stdarg-4.c: New test.
* gcc.dg/tree-ssa/stdarg-5.c: New test.
* gcc.c-torture/execute/stdarg-4.c: New test.
* builtins.c (expand_builtin_int_roundingfn): New prototype.
(expand_builtin_int_roundingfn): New function.
(fold_builtin_int_roundingfn): New prototype.
(fold_builtin_int_roundingfn): New function, renamed from
fold_builtin_lround.
Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
(fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
(mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
(expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
* convert.c (convert_to_integer): Convert (long int)floor{,f,l},
into lfloor built-in function and (long long int)floor{,f,l} into
llfloor built-in function.
* fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
BUILT_IN_LLFLOOR.
Diego Novillo [Sat, 9 Apr 2005 01:37:54 +0000 (01:37 +0000)]
backport: copy-prop, incremental SSA updating of FUD chains and newly exposed symbols.
Merge from tree-cleanup-branch: VRP, store CCP, store
copy-prop, incremental SSA updating of FUD chains and
newly exposed symbols.
* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
(OBJS-common): Add tree-vrp.o.
(tree-vrp.o): New rule.
* basic-block.h (nearest_common_dominator_for_set): Declare.
* common.opt (ftree-store-ccp): New flag.
(ftree-copy-prop): New flag.
(ftree-vrp): New flag.
(ftree-store-copy-prop): New flag.
* dominance.c (nearest_common_dominator_for_set): New.
* domwalk.c (walk_dominator_tree): Only traverse
statements in blocks marked in walk_data->interesting_blocks.
* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
* fold-const.c (fold): Handle ASSERT_EXPR.
* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
Set flag_tree_store_ccp, flag_tree_store_copy_prop and
flag_tree_vrp at -O2.
* timevar.def (TV_TREE_VRP): Define.
(TV_TREE_COPY_PROP): Define.
(TV_TREE_STORE_COPY_PROP): Define.
(TV_TREE_SSA_INCREMENTAL): Define.
(TV_TREE_STORE_CCP): Define.
* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
to kill_redundant_phi_nodes from comment.
(verify_expr): Handle ASSERT_EXPR.
* tree-dfa.c (mark_new_vars_to_rename): Remove second
argument. Update all users.
(mark_call_clobbered_vars_to_rename): Remove. Update all
users.
* tree-flow-inline.h (unmodifiable_var_p): New.
* tree-flow.h (enum value_range_type): Declare.
(struct value_range_def): Declare.
(value_range): Declare.
(remove_all_phi_nodes_for): Remove. Update all users.
(find_phi_node_for): Declare.
(add_type_alias): Declare.
(count_uses_and_derefs): Declare.
(kill_redundant_phi_nodes): Remove.
(rewrite_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(update_ssa, register_new_name_mapping, create_new_def_for,
need_ssa_update_p, name_registered_for_update_p,
release_ssa_name_after_update_ssa, dump_repl_tbl,
debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by, mark_sym_for_renaming,
mark_set_for_renaming, get_current_def, set_current_def,
get_value_range, dump_value_range, debug_value_range,
dump_all_value_ranges, debug_all_value_ranges,
expr_computes_nonzero, loop_depth_of_name,
unmodifiable_var_p): Declare.
* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
ASSERT_EXPR.
* tree-into-ssa.c (block_defs_stack): Update comment.
(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
syms_to_rename, names_to_release, repl_tbl,
need_to_initialize_update_ssa_p, need_to_update_vops_p,
need_to_replace_names_p): New locals.
(NAME_SETS_GROWTH_FACTOR): Define.
(struct repl_map_d): Declare.
(struct mark_def_sites_global_data): Add field
interesting_blocks.
(enum rewrite_mode): Declare.
(REGISTER_DEFS_IN_THIS_STMT): Define.
(compute_global_livein): Use last_basic_block instead of
n_basic_blocks.
(set_def_block): Remove last argument. Update all callers.
(prepare_use_operand_for_rename): Remove. Update all callers.
(prepare_def_operand_for_rename): Remove. Update all callers.
(symbol_marked_for_renaming): New.
(is_old_name): New.
(is_new_name): New.
(repl_map_hash): New.
(repl_map_eq): New.
(repl_map_free): New.
(names_replaced_by): New.
(add_to_repl_tbl): New.
(add_new_name_mapping): New.
(mark_def_sites): Assume that all the operands in the
statement are in normal form.
(find_idf): Assert that the block in the stack is valid.
(get_default_def_for): New.
(insert_phi_nodes_for): Add new argument 'update_p'.
Add documentation.
If update_p is true, add a new mapping between the LHS of
each new PHI and the name that it replaces.
(insert_phi_nodes_1): Only call find_idf if needed.
(get_reaching_def): Call get_default_def_for.
(rewrite_operand): Remove.
(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
and REWRITE_THIS_STMT are false.
Assume that all the operands in the statement are in
normal form.
(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
(rewrite_virtual_phi_arguments): Remove.
(invalidate_name_tags): Remove.
(register_new_update_single, register_new_update_set,
rewrite_update_init_block, replace_use,
rewrite_update_fini_block, rewrite_update_stmt,
rewrite_update_phi_arguments): New.
rewrite_blocks): Remove argument 'fix_virtual_phis'.
Add arguments 'entry', 'what' and 'blocks'.
Initialize the dominator walker according to 'what' and
'blocks'.
Start the dominator walk at 'entry'.
(mark_def_site_blocks): Add argument 'interesting_blocks'.
Use it to configure the dominator walker.
(rewrite_into_ssa): Remove argument 'all'.
Make internal.
(rewrite_all_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(mark_def_interesting, mark_use_interesting,
prepare_phi_args_for_update, prepare_block_for_update,
prepare_def_site_for, prepare_def_sites,
dump_names_replaced_by, debug_names_replaced_by,
dump_repl_tbl, debug_repl_tbl, init_update_ssa,
delete_update_ssa, create_new_def_for,
register_new_name_mapping, mark_sym_for_renaming,
mark_set_for_renaming, need_ssa_update_p,
name_registered_for_update_p, ssa_names_to_replace,
release_ssa_name_after_update_ssa,
insert_updated_phi_nodes_for, update_ssa): New.
* tree-loop-linear.c (linear_transform_loops): Call
update_ssa instead of rewrite_into_ssa.
* tree-optimize.c (vars_to_rename): Remove.
Update all users.
(init_tree_optimization_passes): Replace
pass_redundant_phi with pass_copy_prop.
Add pass_vrp.
Replace pass_ccp with pass_store_ccp.
Add pass_store_copy_prop after pass_store_ccp.
(execute_todo): If the TODO_ flags don't include updating
the SSA form, assert that it does not need to be updated.
Call update_ssa instead of rewrite_into_ssa and
rewrite_def_def_chains.
If TODO_verify_loops is set, call verify_loop_closed_ssa.
(tree_rest_of_compilation):
* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
TODO_cleanup_cfg): Renumber.
(TODO_verify_loops, TODO_update_ssa,
TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
TODO_update_ssa_only_virtuals): Define.
(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
Declare.
* tree-phinodes.c (make_phi_node): Update documentation.
(remove_all_phi_nodes_for): Remove.
(find_phi_node_for): New.
* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
(interpret_rhs_modify_expr): Likewise.
* tree-sra.c (decide_instantiations): Mark all symbols in
SRA_CANDIDATES for renaming.
(mark_all_v_defs_1): Rename from mark_all_v_defs.
(mark_all_v_defs): New function. Update all users to call it
with the whole list of scalarized statements, not just the
first one.
* tree-ssa-alias.c (count_ptr_derefs): Make extern.
(compute_flow_insensitive_aliasing): If the tag is
unmodifiable and the variable isn't or vice-versa, don't
make them alias of each other.
(setup_pointers_and_addressables): If the type tag for
VAR is about to change, mark the old one for renaming.
(add_type_alias): New.
* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
(ccp_lattice_t): Rename from latticevalue.
(value): Remove. Update all users.
(const_val): New local variable.
(do_store_ccp): New local variable.
(dump_lattice_value): Handle UNINITIALIZED.
(debug_lattice_value): New.
(get_default_value): Re-write.
(set_lattice_value): Re-write.
(def_to_varying): Remove. Update all users.
(likely_value): Return VARYING for statements that make
stores when STORE_CCP is false.
Return VARYING for any statement other than MODIFY_EXPR,
COND_EXPR and SWITCH_EXPR.
(ccp_initialize): Re-write.
(replace_uses_in, replace_vuse_in, substitute_and_fold):
Move to tree-ssa-propagate.c.
(ccp_lattice_meet): Handle memory stores when
DO_STORE_CCP is true.
(ccp_visit_phi_node): Likewise.
(ccp_fold): Likewise.
(evaluate_stmt): Likewise.
(visit_assignment): Likewise.
(ccp_visit_stmt): Likewise.
(execute_ssa_ccp): Add argument 'store_ccp'. Copy it
into DO_STORE_CCP.
(do_ssa_ccp): New.
(pass_ccp): Use it.
(do_ssa_store_ccp): New.
(gate_store_ccp): New.
(pass_store_ccp): Declare.
* tree-ssa-copy.c: Include tree-ssa-propagate.h.
(may_propagate_copy): Reformat.
Don't abort if ORIG is a virtual and DEST isn't.
If NEW does not have alias information but DEST does,
copy it.
(copy_of, cached_last_copy_of, do_store_copy_prop, enum
copy_prop_kind, which_copy_prop): Declare.
(stmt_may_generate_copy, get_copy_of_val,
get_last_copy_of, set_copy_of_val, dump_copy_of,
copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
copy_prop_visit_stmt, copy_prop_visit_phi_node,
init_copy_prop, fini_copy_prop, execute_copy_prop,
gate_copy_prop, do_copy_prop, gate_store_copy_prop,
store_copy_prop): New.
(pass_copy_prop, pass_store_copy_prop): Declare.
* tree-ssa-dom.c (struct opt_stats_d): Add fields
'num_const_prop' and 'num_copy_prop'.
(cprop_operand): Update them.
(dump_dominator_optimization_stats): Dump them.
(tree_ssa_dominator_optimize): Call update_ssa instead of
rewrite_into_ssa.
(loop_depth_of_name): Declare extern.
(simplify_cond_and_lookup_avail_expr): Guard against NULL
values for LOW or HIGH.
(cprop_into_successor_phis): Only propagate if NEW != ORIG.
(record_equivalences_from_stmt): Call expr_computes_nonzero.
(cprop_operand): Only propagate if VAL != OP.
* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
statement for renaming.
* tree-ssa-loop-im.c (move_computations): Call update_ssa.
* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
add_type_alias if necessary.
Call mark_new_vars_to_rename.
(tree_ssa_iv_optimize): If new symbols need to be renamed,
mark every statement updated, call update_ssa and
rewrite_into_loop_closed_ssa.
* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
from LIVEIN if VAR is a virtual.
* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
(get_call_expr_operands): Reformat statement.
(add_stmt_operand): Don't create V_MAY_DEFs for read-only
symbols.
* tree-ssa-propagate.c (ssa_prop_init): Initialize
SSA_NAME_VALUE for every name.
(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by): New.
(replace_uses_in, replace_vuses_in, replace_phi_args_in,
substitute_and_fold): Move from tree-ssa-ccp.c.
* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by, replace_uses_in, substitute_and_fold):
Declare.
* tree-ssa.c (verify_use): Fix error message.
(propagate_into_addr, replace_immediate_uses, get_eq_name,
check_phi_redundancy, kill_redundant_phi_nodes,
pass_redundant_phi): Remove. Update all users.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
add_type_alias, if necessary.
* tree-vectorizer.h (struct _stmt_vect_info): Update
documentation for field 'memtag'.
* tree-vrp.c: New file.
* tree.def (ASSERT_EXPR): Define.
* tree.h (ASSERT_EXPR_VAR): Define.
(ASSERT_EXPR_COND): Define.
(SSA_NAME_VALUE_RANGE): Define.
(struct tree_ssa_name): Add field 'value_range'.
(PHI_REWRITTEN): Remove.
(struct tree_phi_node): Remove field 'rewritten'.
* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
-ftree-store-copy-prop): Document.
* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
Document usage of update_ssa.
testsuite/ChangeLog
* g++.dg/tree-ssa/pr18178.C: New test.
* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
* gcc.c-torture/execute/20041019-1.c: New test.
* gcc.dg/tree-ssa/20041008-1.c: New test.
* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
* gcc.dg/tree-ssa/20030917-1.c: Likewise.
* gcc.dg/tree-ssa/20030917-3.c: Likewise.
* gcc.dg/tree-ssa/20040721-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
Paolo Carlini [Sat, 9 Apr 2005 00:08:58 +0000 (00:08 +0000)]
re PR libstdc++/20909 (incorrect floating point format)
2005-04-08 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/20909
* include/bits/locale_facets.tcc (num_put<>::_M_insert_float):
Don't even try to group numbers like 2e20, i.e., no decimal
point, scientific notation.
* testsuite/22_locale/num_put/put/char/20909.cc: New.
* testsuite/22_locale/num_put/put/wchar_t/20909.cc: Likewise.
David Edelsohn [Fri, 8 Apr 2005 23:42:06 +0000 (23:42 +0000)]
re PR target/20814 (ICE in extract_insn for test vmx/varargs-1.c)
PR target/20814
* config/rs6000/predicates.md (altivec_register_operand): Accept
SUBREG.
(and64_operand): Do not limit CONST_INT to mask64_operand.
(and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
(and_operand): Do not limit CONST_INT to mask_operand.