Jeff Law [Tue, 21 Sep 2004 03:19:00 +0000 (21:19 -0600)]
tree-ssanames.c (make_ssa_name): No longer need to clear, then initialize key elements here.
* tree-ssanames.c (make_ssa_name): No longer need to clear, then
initialize key elements here.
(release_ssa_name): Zero the released SSA_NAME here.
* tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
(struct tree_ssa_name): Add new "equiv" field.
* tree-ssa-dom.c (const_and_copies): Kill the global varray.
(tree_ssa_dominator_optimize): No longer allocate, resize or
clear CONST_AND_COPIES.
(get_value_for, set_value_for): Kill.
(thread_across_edge): Get/set the equivalency using
SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
(restore_vars_to_original_value): Likewise.
(record_equivalences_from_phis): Likewise.
(record_dominating_conditions): Likewise.
(record_const_or_copy, record_equality): Likewise.
(lookup_avail_expr): Likewise.
(record_equivalences_from_stmt, cprop_operand): Likewise.
(cprop_into_successor_phis): No longer need to pass around
CONST_AND_COPIES. Callers updated. Get equivalences via
SSA_NAME_EQUIV.
(cprop_into_phis): Likewise.
Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r87787
Matt Austern [Tue, 21 Sep 2004 02:22:45 +0000 (02:22 +0000)]
c-common.c (fix_string_type): Build the unqualified array type unconditionally...
2004-09-20 Matt Austern <austern@apple.com>
Zack Weinberg <zack@codesourcery.com>
* c-common.c (fix_string_type): Build the unqualified array
type unconditionally, then use c_build_qualified_type to get
the proper const-qualified variant, and set its
TYPE_MAIN_VARIANT to refer to the unqualified type.
* c-lex.c (c_lex_return_raw_string): New global.
(c_lex_with_flags): Honor it.
* c-pragma.h: Declare it.
cp:
* decl.c (make_rtl_for_nonlocal_decl, start_preparsed_function):
Apply lbasename to input_filename before passing to get_fileinfo.
* semantics.c (begin_class_definition): Likewise.
* lex.c (handle_pragma_interface): Apply get_fileinfo to the
correct filename. Rename variables to be less confusing.
(handle_pragma_implementation): Likewise. Disable "appears
after file is included" diagnostic.
* parser.c (struct cp_token): Add in_system_header fiag.
(CP_TOKEN_BLOCK_NUM_TOKENS, struct cp_token_block)
(CP_TOKEN_BUFFER_SIZE, cp_token_cache_push_token)
(CPP_NONE, cp_lexer_read_token): Delete.
(struct cp_lexer): Remove first_token, string_tokens,
main_lexer_p fields. Clarify comments.
(struct cp_token_cache): Now just a pair of pointers.
(CP_LEXER_BUFFER_SIZE): New #define.
(CPP_PURGED): New fake token type.
(cp_lexer_new_from_token_array, cp_lexer_destroy)
(cp_lexer_peek_token_emit_debug_info, cp_lexer_skip_purged_tokens)
(cp_lexer_handle_pragma, cp_token_cache_new, cp_parser_string_literal):
New functions.
(cp_lexer_new_from_tokens): Now a simple wrapper around
cp_lexer_new_from_token_array.
(cp_lexer_set_source_position_from_token): Also update
in_system_header.
(cp_lexer_next_token, cp_lexer_prev_token, cp_lexer_advance_token):
Don't wrap round.
(cp_lexer_token_difference): Dont handle wrapping round.
(cp_lexer_new_main): Enable pragma deferral and raw strings,
read the entire translation unit through c_lex_with_flags into
this lexer's buffer, then turn raw strings back off again.
(cp_lexer_grow_buffer): Adjust for buffer no longer being circular.
(cp_lexer_get_preprocessor_token): No need to handle not being
the main lexer. Set token->in_system_header too.
(cp_lexer_peek_token): Skip purged tokens. Feed pragma tokens
to cp_lexer_handle_pragma. No need to call cp_lexer_read_token.
(cp_lexer_peek_nth_token): Likewise.
(cp_lexer_purge_token): Mark the token PURGED, don't shift all
the other tokens down.
(cp_lexer_purge_tokens_after): Likewise.
(cp_lexer_save_tokens, cp_lexer_rollback_tokens): Don't worry
about there being no tokens.
(cp_lexer_print_token): Revise to give useful information on
all tokens.
(struct cp_parser): Add field translate_strings_p.
(cp_parser_new): Initialize it.
(cp_parser_translation_unit): Destroy the lexer when done.
(cp_parser_parameter_declaration): Restructure saving of
default arguments.
(cp_parser_save_member_function_body): Likewise.
(cp_parser_check_for_invalid_template_id)
(cp_parser_nested_name_specifier_opt, cp_parser_template_id):
Adjust calls to cp_lexer_advance_token.
(cp_parser_skip_to_closing_parenthesis, cp_parser_declaration):
No need to fiddle c_lex_string_translate.
(cp_parser_primary_expression, cp_parser_linkage_specification)
(cp_parser_asm_definition, cp_parser_asm_specification_opt)
(cp_parser_asm_operand_list, cp_parser_asm_clobber_list)
Use cp_parser_string_literal.
(cp_parser_attribute_list): Save and restore
parser->translate_strings_p, not c_lex_string_translate.
(cp_parser_cache_group): Delete.
(cp_parser_cache_group_1): Rename cp_parser_cache_group. Do
not take a cache argument.
Kaz Kojima [Mon, 20 Sep 2004 23:10:00 +0000 (23:10 +0000)]
sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR note to pretend a direct save from the original...
* config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
note to pretend a direct save from the original register when an
intermediate register is used for the save.
Giovanni Bajo [Mon, 20 Sep 2004 23:05:40 +0000 (23:05 +0000)]
re PR c++/14179 (out of memory while parsing array with many initializers)
PR c++/14179
* decl.c (reshape_init): Extract array handling into...
(reshape_init_array): New function. Use integers instead of trees
for indices. Handle out-of-range designated initializers.
Jan Hubicka [Mon, 20 Sep 2004 20:41:20 +0000 (20:41 +0000)]
cgraph.c (cgraph_unnest_node): New function.
* cgraph.c (cgraph_unnest_node): New function.
(c_finalize): Rename to ....
(c_warn_unused_result_recursivly): ... this one; do only the warning
(finish_function): Finalize the toplevel function; do not lower nested tree.
* cgraph.h (cgraph_unnest_node): Declare.
* cgraphunit.c (decide_is_function_needed): Do not use cgraph
nestedness datastructure.
* cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
* reload1.c (set_label_offsets): Fix call of set_label_offsets.
* tree-nested.c (finlize_nesting_tree_1): Use un-nesting code.
Jan Hubicka [Mon, 20 Sep 2004 20:38:29 +0000 (22:38 +0200)]
re PR middle-end/16460 (ICE when compiling glibc (ld-ctype.c))
PR middle-end/16460
* cgraph.c (cgraph_unnest_node): New function.
(c_finalize): Rename to ....
(c_warn_unused_result_recursivly): ... this one; do only the warning
(finish_function): Finalize the toplevel function; do not lower nested tree.
* cgraph.h (cgraph_unnest_node): Declare.
* cgraphunit.c (decide_is_function_needed): Do not use cgraph
nestedness datastructure.
* cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
* reload1.c (set_label_offsets): Fix call of set_label_offsets.
* tree-nested.c (finlize_nesting_tree_1): Use un-nesting code.
* utils.c (gnat_finalize): Remove.
(end_subprog_body): Directly call cgraph_finalize_function;
do not lower the nested functions.
* trans-decl.c (build_entry_thunks): Finalize the function; do not lower
tree.
(gfc_generate_function_code): Likewise.
Jan Hubicka [Mon, 20 Sep 2004 18:43:30 +0000 (20:43 +0200)]
predict.c (return_prediction): New function.
* predict.c (return_prediction): New function.
(apply_return_prediction): Likewise.
(tree_bb_level_predictions): Likewise.
(tree_estimate_probability): Add noreturn exit edges; call
bb_level_predictions; fix logic of return heuristics.
(predict_paths_leading_to): Rescuesce from old CVS version of
process_note_prediction function.
* predict.def (PRED_TREE_EARLY_RETURN): New predictor.
Robert Dewar [Mon, 20 Sep 2004 12:07:47 +0000 (12:07 +0000)]
re PR ada/17540 (Duplicate symbols while building Ada)
2004-09-20 Robert Dewar <dewar@gnat.com>
PR ada/17540
* freeze.adb (Check_Address_Clause): Reset Is_Imported and Is_Public
if an address clause is present, since that means that the Import
should be ignored.
Ira Rosen [Mon, 20 Sep 2004 07:17:06 +0000 (07:17 +0000)]
vect-13.c: Added xfail for non ppc platforms.
2004-09-20 Ira Rosen <irar@il.ibm.com>
* gcc.dg/vect/vect-13.c: Added xfail for non ppc platforms.
* gcc.dg/vect/vect-74.c: Split into 3 tests (vect-79.c, vect-80.c).
* gcc.dg/vect/vect-62.c: New testcase.
* gcc.dg/vect/vect-63.c: New testcase.
* gcc.dg/vect/vect-64.c: New testcase.
* gcc.dg/vect/vect-65.c: New testcase.
* gcc.dg/vect/vect-66.c: New testcase.
* gcc.dg/vect/vect-67.c: New testcase.
* gcc.dg/vect/vect-68.c: New testcase.
* gcc.dg/vect/vect-69.c: New testcase.
* gcc.dg/vect/vect-79.c: New testcase.
* gcc.dg/vect/vect-80.c: New testcase.
Roger Sayle [Mon, 20 Sep 2004 00:58:42 +0000 (00:58 +0000)]
mh-x86omitfp: New host makefile fragment.
* config/mh-x86omitfp: New host makefile fragment. Add
-fomit-frame-pointer to the default BOOT_CFLAGS.
* configure.in: Use it to speed up bootstrap on some IA-32 hosts.
* configure: Regenerate.
* tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
(STMT_VINFO_VECT_DR_BASE): Declare.
(VECT_SMODULO): Declare.
* tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
(vect_compute_array_base_alignment): New function.
(vect_analyze_data_ref_access): Check array indices. Remove one
dimensional arrays restriction.
(vect_get_ptr_offset): New function.
(vect_get_symbl_and_dr): New function.
(vect_get_base_and_bit_offset): Support additional data refs. Renamed
(former name vect_get_base_decl_and_bit_offset).
(vect_create_index_for_array_ref): Removed.
(vect_create_index_for_vector_ref): New function.
(vect_create_addr_base_for_vector_ref): New function.
(vect_create_data_ref): Handle additional data refs. Call
vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
(vect_compute_data_ref_alignment): Support the changes. Call
vect_get_base_and_bit_offset.
(vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
data refs. Store vect_dr_base.
(vect_analyze_data_ref_accesses): Support nonconstant init.
(new_stmt_vec_info): Initialize vect_dr_base field.
(vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
(get_vectype_for_scalar_type): Check for BLKmode.
* tree-chrec.h (initial_condition_in_loop_num): Declare.
* tree-chrec.c (initial_condition_in_loop_num): New function.
(chrec_component_in_loop_num): New function.
(evolution_part_in_loop_num): Call chrec_component_in_loop_num.
* tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
to be pointer to varray_type.
* basic-block.h (update_bb_profile_after_threading): Declare.
* cfg.c (update_bb_profile_after_threading): Break out from ...
* cfgcleanup.c (try_forward_edges): ... here; use it.
* tree-ssa-dom.c (thread_across_edge): Use it.
* tree-ssa-threadupdate.c (create_block_for_threading): Zero out
profile of the new BB.
Jeff Law [Sun, 19 Sep 2004 02:51:15 +0000 (20:51 -0600)]
tree-ssa-dom.c (nonzero_vars_stack, [...]): New global varrays to replace the block local varrays.
* tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
global varrays to replace the block local varrays.
(struct dom_walk_block_data): Remove, no longer used.
(get_eq_expr_value): No longer need to pass around pointers to local
varrays. Callers updated. Unused markers added to unused parameters.
(record_range, record_equivalences_from_stmt): Likewise.
(record_equivalences_from_incoming_edge): Likewise.
(record_var_is_nonzero): Likewise. Update now that we have a
single global varray of SSA_NAMEs that need restoring.
(dom_opt_initialize_block_local_data): Kill, no longer used.
(tree_ssa_dominator_optimize): Initialize new global varrays.
Update callbacks in dominator walker structure.
(dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
VRP_VARIABLES_STACK.
(restore_nonzero_vars_to_original_value): Update now that we have
a single global varray of SSA_NAMEs that need restoring.
(dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
Remove unused variables.
(optimize_stmt): Remove unused variable.
PR pch/13361
* c-typeck.c (constructor_asmspec): Delete.
(struct initializer_stack): Delete field 'asmspec'.
(start_init): Delete saving of asmspec.
(finish_init): Don't update constructor_asmspec.
* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
* stmt.c (expand_asm): Duplicate strings from tree.
(expand_asm_operands): Likewise.
* tree.c (tree_size): Update computation of size of STRING_CST.
(make_node): Don't make STRING_CST nodes.
(build_string): Allocate string with tree node.
(tree_code_size): Clean up assertions, don't allow requests
for "the size of a STRING_CST".
* tree.def (STRING_CST): Update comment.
* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
(tree_string): Place contents of string in tree node.
* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
from tree.
* charset.c (_cpp_destroy_iconv, emit_numeric_escape)
(_cpp_convert_input, _cpp_default_encoding): Add comments.
Some other comments in this file also tweaked.
alias.c (find_base_decl): Remove unreachable case '3' block.
2004-09-17 Jeffrey D. Oldham <oldham@codesourcery.com>
Zack Weinberg <zack@codesourcery.com>
* alias.c (find_base_decl): Remove unreachable case '3' block.
* expr.c (safe_from_p): Abort if passed a type.
* tree-gimple.c (recalculate_side_effects): Abort if passed
anything other than an expression.
* tree-ssa-pre.c (phi_translate): Return expr immediately if
is_gimple_min_invariant is true for it. Reorder cases for clarity.
Abort on un-handled tree classes.
(valid_in_set): Likewise.
* tree.c (tree_code_class_strings): New static data.
Diego Novillo [Fri, 17 Sep 2004 21:30:23 +0000 (21:30 +0000)]
re PR tree-optimization/17319 (-fno-tree-dce cause ICE)
PR tree-optimization/17319
* tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
examine pointers on the LHS of an assignment.
(collect_points_to_info_r): Handle RETURN_EXPR.
testsuite/ChangeLog
PR tree-optimization/17319
* gcc.dg/pr17319.c: New test.
Jeff Law [Fri, 17 Sep 2004 21:16:07 +0000 (15:16 -0600)]
tree-ssa-dom.c (const_and_copies_stack): New.
* tree-ssa-dom.c (const_and_copies_stack): New.
(dom_walk_block_data): Remove const_and_copies field.
(record_const_or_copy): No longer need to pass in varray_type *.
Use CONST_AND_COPIES_STACK rather than passed in block local stack.
Callers updated.
(record_equality): Similarly.
(restore_vars_to_original_value): Similarly. Revamp to use new
single global stack rather than per-block stacks.
(tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
(thread_across_edge): Remove now unused parameters.
(dom_opt_initialize_block_local_data): No longer test the block
local CONST_AND_COPIES.
(dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
* dbxout.c (get_lang_number): New.
(dbxout_init): Include lang number in N_SO stab.
* dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
Joseph Myers [Fri, 17 Sep 2004 18:18:05 +0000 (19:18 +0100)]
c-tree.h (enum c_typespec_keyword): New.
* c-tree.h (enum c_typespec_keyword): New.
(struct c_declspecs): Adjust description of "type". Remove
specbits, explicit_int_p and explicit_char_p. Rename
typedef_signed_p to explicit_signed_p. Add default_int_p, long_p,
short_p, signed_p, unsigned_p and complex_p.
(finish_declspecs): New.
* c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
typename): Call finish_declspecs.
* c-decl.c (finish_declspecs): New.
(declspecs_add_type): Check for combinations which cannot occur in
valid specifier lists. Update comments.
(shadow_tag_warned): Remove checks done in finish_declspecs.
Don't report useless type name if type defaulted to int.
(grokdeclarator): Remove checks and actions done in
finish_declspecs. Don't allow for type being NULL. Update for
datastructures changes. Initialize decl_attr.
(build_null_declspecs, quals_from_declspecs): Update for
datastructures changes.
* doc/cfg.texi: Use @smallexample.
* doc/md.texi: Likewise.
* doc/tree-ssa.texi: Likewise.
* doc/extend.texi: Likewise. Use @r{} in comments.
* doc/trouble.texi: Use @r{} in comments.
Paolo Carlini [Fri, 17 Sep 2004 08:42:07 +0000 (08:42 +0000)]
basic_file_stdio.cc (__basic_file<>::close)): Don't call unnecessarily sync, that is fflush...
2004-09-17 Paolo Carlini <pcarlini@suse.de>
Andrea Arcangeli <andrea@suse.de>
* config/io/basic_file_stdio.cc (__basic_file<>::close)): Don't
call unnecessarily sync, that is fflush: the library, since 3.4.0
does not use buffered fread/fwrite.
* include/bits/fstream.tcc (basic_filebuf<>::overflow): Likewise.
Co-Authored-By: Andrea Arcangeli <andrea@suse.de>
From-SVN: r87636
Diego Novillo [Fri, 17 Sep 2004 01:10:28 +0000 (01:10 +0000)]
re PR tree-optimization/17528 (tree optimization incorrectly optimizes away entire function (incorrect aliasing detection?))
PR tree-optimization/17528
* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
erase the may-alias set for a tag when merging it with
another.
Jeff Law [Thu, 16 Sep 2004 19:06:12 +0000 (13:06 -0600)]
tree-into-ssa.c (block_defs_stack): New toplevel varray.
* tree-into-ssa.c (block_defs_stack): New toplevel varray.
(rewrite_block_data): Remove, no longer used.
(rewrite_initialize_block_local_data): Remove, no longer used.
(rewrite_initialize_block): Mark parameters as unused as needed.
Change references to the block local block_defs to be block_defs_stack.
Push a marker onto the block_defs_stack.
(ssa_rewrite_initialize_block): Similarly.
(rewrite_stmt, ssa_rewrite_stmt): Similarly.
(ssa_register_new_def): No longer needs varray argument. Use
block_defs_stack instead. No longer handle possibly null block_defs
varray. Reverse order of items we push on the stack to make it
easier to identify our marker.
(register_new_def): No longer handle possibly null block_defs
varray.
(rewrite_finalize_block): Revamp to look for markers in the global
block_defs_stack varray rather than wiping a block local varray.
Mark arguments as unused as needed.
(ssa_rewrite_finalize_block): Similarly.
(rewrite_into_ssa): Update initialization of dom walker structure
to reflect that we don't need block local data anymore. Initialize
the block_defs_stack varray.
(rewrite_ssa_into_ssa): Similarly.
* tree-ssa-dom.c (block_defs_stack): New toplevel varray.
(struct dom_walk_data): Kill block_defs field.
(tree_ssa_dominator_optimize): Initialize block_defs_stack.
(thread_across_edge): Use the global block_defs_stack instead of
the old block_defs varray.
(dom_opt_initialize_block_local_data): Update now that we don't have
block_defs field to check anymore.
(dom_opt_initialize_block): Push a marker onto block_defs_stack.
(restore_currdefs_to_original_value): Use the new block_defs_stack
instead of a block local varray.
(dom_opt_finalize_block): Similarly.
(record_equivalencs_from_phis): Similarly.
(optimize_stmt, register_definitions_for_stmt): Similarly.
git://gcc.gnu.org / gcc.git / log