Commit Graph

830 Commits

Author SHA1 Message Date
Manuel López-Ibáñez
cb4af25a80 re PR middle-end/7651 (Define -Wextra strictly in terms of other warning flags)
2006-12-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/7651
	* c.opt (Wmissing-parameter-type): New.
	* doc/invoke.texi (Wmissing-parameter-type): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
	Wmissing-parameter-type.
	
testsuite/

	* gcc.dg/Wmissing-parameter-type.c: New.
	* gcc.dg/Wmissing-parameter-type-Wextra.c: New.
	* gcc.dg/Wmissing-parameter-type-no.c: New.

From-SVN: r120173
2006-12-23 17:45:33 +00:00
Jan Hubicka
a5573239ec toplev.c (dump_memory_report): Break out from...
* toplev.c (dump_memory_report): Break out from...
	(finalize): Here.
	* toplev.h (dump_memory_report): Declare.
	(cmp_statistic): Rename to ...
	(final_cmp_statistic): ... this one
	(cmp_statistic): New.
	(dump_ggc_loc_staitsitcs): New FINAL parpameter.
	* common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
	* varray.c (dump_varray_staitiscs): Do not segfault when no varray was
	allocated so far.

From-SVN: r120168
2006-12-23 14:30:36 +00:00
Manuel López-Ibáñez
2b0017242d re PR middle-end/7651 (Define -Wextra strictly in terms of other warning flags)
2006-12-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/7651
	* c.opt (Wclobbered): New.
	* doc/invoke.texi (Wclobbered): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
	* function.c (setjmp_vars_warning): Only warn for Wclobbered.
	(setjmp_args_warning): Likewise.

testsuite/

	* gcc.dg/attr-returns_twice-1.c: Replace Wextra with Wclobbered.
	* gcc.dg/setjmp-1.c: Add explicit Wclobbered.

From-SVN: r120151
2006-12-22 15:54:05 +00:00
Ben Elliston
bbd29fdcec * doc/invoke.texi (Optimize Options): Typo fix.
From-SVN: r120067
2006-12-20 13:49:37 +11:00
Geoffrey Keating
ec75a430b0 invoke.texi (Debugging Options): Document -g0.
* doc/invoke.texi (Debugging Options): Document -g0.
	* config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
	* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.

From-SVN: r120013
2006-12-18 21:10:16 +00:00
Ian Lance Taylor
dfdec7a705 c.opt (Wmissing-declarations): Add C++ and ObjC++.
./:	* c.opt (Wmissing-declarations): Add C++ and ObjC++.
	* doc/invoke.texi (Warning Options): -Wmissing-declarations now
	works for C++.
cp/:
	* decl.c (start_preparsed_function): Add support for
	-Wmissing-declarations.
testsuite:
	* g++.dg/warn/Wmissing-declarations-1.C: New test.

From-SVN: r120012
2006-12-18 19:56:58 +00:00
Manuel López-Ibáñez
b3b433c507 re PR middle-end/7651 (Define -Wextra strictly in terms of other warning flags)
2006-12-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/7651
	* c.opt (Wempty-body): New.
	* doc/invoke.texi (Wempty-body): Document it.
	(Wextra): Enabled by -Wextra.
	* c-opts.c (c_common_post_options): Enabled by -Wextra.
	* c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
	* c-parser.c (c_parser_c99_block_statement): Likewise.
testsuite/
	* gcc.dg/20001116-1.c: Replace -Wextra with -Wempty-body.
	* gcc.dg/if-empty-1.c: Likewise.
	* gcc.dg/pr23165.c: Likewise.
	* g++.dg/warn/empty-body.C: Likewise.

From-SVN: r119963
2006-12-16 16:48:01 +00:00
Uros Bizjak
5db74c3230 invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
* invoke.texi (mstringop-strategy): Add missing "byte_loop" value.

From-SVN: r119877
2006-12-15 10:01:29 +01:00
Ian Lance Taylor
2a67bec24f re PR c++/19564 (-Wparentheses does not work with the C++ front-end)
PR c++/19564
	PR c++/19756
gcc/:
	* c-typeck.c (parser_build_binary_op): Move parentheses warnings
	to warn_about_parentheses in c-common.c.
	* c-common.c (warn_about_parentheses): New function.
	* c-common.h (warn_about_parentheses): Declare.
	* doc/invoke.texi (Warning Options): Update -Wparentheses
	description.
gcc/cp/:
	* parser.c (cp_parser_expression_stack_entry): Add field
	lhs_type.
	(cp_parser_binary_expression): Track tree code of left hand side
	of expression.  Use it when calling build_x_binary_op.
	(cp_parser_selection_statement): Add if_p parameter.  Change all
	callers.  Warn about ambiguous else.
	(cp_parser_statement): Add if_p parameter.  Change all callers.
	(cp_parser_implicitly_scoped_statement): Likewise.
	* typeck.c (build_x_binary_op): Add parameters arg1_code and
	arg2_code.  Change all callers.  Call warn_about_parentheses.
	* cp-tree.h (build_x_binary_op): Update declaration.
gcc/testsuite/:
	* g++.dg/warn/Wparentheses-5.C: New test.
	* g++.dg/warn/Wparentheses-6.C: New test.
	* g++.dg/warn/Wparentheses-7.C: New test.
	* g++.dg/warn/Wparentheses-8.C: New test.
	* g++.dg/warn/Wparentheses-9.C: New test.
	* g++.dg/warn/Wparentheses-10.C: New test.
	* g++.dg/warn/Wparentheses-11.C: New test.
	* g++.dg/warn/Wparentheses-12.C: New test.
	* g++.dg/warn/Wparentheses-13.C: New test.
	* g++.dg/warn/Wparentheses-14.C: New test.
	* g++.dg/warn/Wparentheses-15.C: New test.
	* g++.dg/warn/Wparentheses-16.C: New test.
	* g++.dg/warn/Wparentheses-17.C: New test.
	* g++.dg/warn/Wparentheses-18.C: New test.
	* g++.dg/warn/Wparentheses-19.C: New test.
	* g++.dg/warn/Wparentheses-20.C: New test.
	* g++.dg/warn/Wparentheses-21.C: New test.
libstdc++-v3/:
	* include/bits/locale_facets.tcc (num_get<>::_M_extract_float):
	Add parentheses around && within || to avoid warning.
	(num_get<>::_M_extract_int): Likewise.
	(money_get<>::_M_extract): Likewise.
	(num_get<>::do_get(iter_type, iter_type, ios_base&,
	ios_base::iostate&, void*&)): Add parentheses around & within | to
	avoid warning.
	(num_put<>::do_put(iter_type, ios_base&, char_type, const void*)):
	Likewise.
	* include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
	Add parentheses around && within || to avoid warning.
	* libsupc++/tinfo.cc (__do_dyncast): Likewise.
	* src/locale.cc (locale::_S_normalize_category): Likewise.
	* include/bits/stl_tree.h (_Rb_tree<>::_M_insert_unique): Add
	braces to avoid ambiguous else warning.
	* src/strstream.cc (strstreambuf::_M_free): Likewise.
	* src/tree.cc (_Rb_tree_rebalance_for_erase): Likewise.

From-SVN: r119855
2006-12-14 05:49:06 +00:00
Sa Liu
32fb22af5d spu.opt (mfixed-range): New option.
* config/spu/spu.opt (mfixed-range): New option.
	* config/spu/spu.h (spu_fixed_range_string): Declare.
	* config/spu/spu.c (spu_override_options): Handle -mfixed-range.
	(fix_range): New function.
	* doc/invoke.texi (SPU Options): Document -mfixed-range.
	* testsuite/gcc.target/spu/fixed-range.c: New.
	* testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.

Co-Authored-By: Ben Elliston <bje@au.ibm.com>

From-SVN: r119768
2006-12-12 15:55:50 +11:00
Diego Novillo
38635499e9 [multiple changes]
2006-12-11  Diego Novillo  <dnovillo@redhat.com>

	* doc/tree-ssa.texi: Update documentation for virtual operands
	and the use of push_stmt_changes/pop_stmt_changes.
	* doc/invoke.texi: Remove documentation for params
	global-var-threshold.
	Update documentation on max-aliased-vops.

	* tree-into-ssa.c: Cleanup comments, variables and
	spacing in various functions.
	(regs_to_rename): Declare.
	(mem_syms_to_rename): Declare.
	(dump_update_ssa): Declare.
	(debug_update_ssa): Declare.
	(dump_names_replaced_by): Declare.
	(debug_names_replaced_by): Declare.
	(dump_def_blocks): Declare.
	(debug_def_blocks): Declare.
	(dump_defs_stack): Declare.
	(debug_defs_stack): Declare.
	(dump_currdefs): Declare.
	(debug_currdefs): Declare.
	(mark_def_sites): Do not handle virtual operands.
	(compute_idf): Rename from find_idf.  Update users.
	(register_new_def): Make local.  Convert second argument
	to 'tree'.
	Use BLOCK_DEFS_STACK directly.
	If pushing a non-register, also push the underlying
	symbol.
	(rewrite_stmt): Do not handle virtual operands.
	(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
	dump_currdefs and dump_tree_ssa_stats.
	(dump_tree_ssa_stats): Also dump REPL_TBL.
	(replace_use): Remove.  Update all users to call SET_USE
	instead.
	(rewrite_blocks): Move code to free memory to
	fini_ssa_renamer.
	(mark_def_site_blocks): Move initialization code to
	init_ssa_renamer.
	(init_ssa_renamer): New.
	(fini_ssa_renamer): New.
	(rewrite_into_ssa): Call them.
	(prepare_block_for_update): Process SSA_OP_ALL_USES first
	and SSA_OP_ALL_DEFS later.  Do not process virtual
	operands separately.
	(dump_update_ssa): Call dump_decl_set.
	(init_update_ssa): Initialize regs_to_rename and
	mem_syms_to_rename.
	Call init_ssa_renamer.
	(delete_update_ssa): Call fini_ssa_renamer.
	Free blocks_with_phis_to_rewrite.
	(mark_sym_for_renaming): If the variable has
	sub-variables, also mark them.
	If the variable belongs to a partition, also mark it.
	(mark_set_for_renaming): Call mark_sym_for_renaming on
	every symbol in the set.
	(switch_virtuals_to_full_rewrite): Call
	mark_set_for_renaming.
	(update_ssa): Separate syms_to_rename into regs_to_rename
	and mem_syms_to_rename.

	* tree-dump.c (dump_options): Add TDF_MEMSYMS.
	* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
	(debug_generic_stmt): Likewise.
	(debug_tree_chain): Likewise.
	(dump_symbols): New.
	(dump_generic_node): Check for TDF_MEMSYMS.
	Handle MEMORY_PARTITION_TAG.
	If the statement references memory and TDF_MEMSYMS is
	given, call dump_symbols.
	Indicate default names with (D).
	(dump_vops): Update for new virtual operator format.

	* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
	tree_contains_struct.
	(tree_code_size): Handle MEMORY_PARTITION_TAG.
	(tree_node_structure): Likewise.
	(needs_to_live_in_memory): Handle SSA names.
	* tree.h (MTAG_P): Likewise.
	(struct tree_memory_partition_tag): Declare.
	(MPT_SYMBOLS): Define.
	(union tree_node): Add field 'mpt'.
	* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
	* tree.def (MEMORY_PARTITION_TAG): Define.

	* tree-pass.h (TDF_MEMSYMS): Define.

	* params.h (GLOBAL_VAR_THRESHOLD): Remove.

	* tree-ssa-alias.c: Include pointer-set.h
	(struct alias_map_d): Remove fields total_alias_vops,
	grouped_p and may_aliases.  Update all users.
	(struct mp_info_def): Declare.
	(mp_info_t): New type.
	(get_smt_for): Rename from get_tmt_for.  Update all
	users.
	(add_may_alias): Add argument ALREADY_ADDED.  If given,
	use it to avoid adding duplicate entries to alias sets.
	(replace_may_alias): Remove.  Update all users.
	(total_alias_vops_cmp): Remove.  Update all users.
	(group_aliases_into): Remove.  Update all users.
	(tree_pointer_compare): Remove.  Update all users.
	(compact_name_tags): Remove.  Update all users.
	(group_aliases): Remove.  Update all users.
	(mark_non_addressable): Move from tree-flow-inline.h.
	Remove the symbol from the partition holding it, if
	needed.
	(dump_mp_info): New.
	(debug_mp_info): New.
	(sort_mp_info): New.
	(create_partition_for): New.
	(rewrite_alias_set_for): New.
	(compute_memory_partitions): New.
	(compute_may_aliases): Call it.
	(init_alias_info): If computing aliases for the first
	time, mark every memory symbol for renaming.
	(have_common_aliases_p): New.
	(compute_flow_insensitive_aliasing): Call it.
	(setup_pointers_and_addressables): Do not cache
	num_referenced_vars.
	For register promoted symbols, mark their former
	partition for renaming.
	(maybe_create_global_var): Only create .GLOBAL_VAR if
	there are no call-clobbered variables and a mix of pure
	and non-pure functions were found.
	(may_alias_p): Tidy comments.
	(create_tag_raw): Remove unused variable new_type.
	(dump_alias_info): call dump_memory_partitions.
	(dump_points_to_info_for): Call dump_decl_set.
	(may_be_aliased): Tidy comments and formatting.

	* timevar.def (TV_MEMORY_PARTITIONING): Define.
	* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
	vect_vnames_to_rename.  Set DECL_UIDs instead of SSA name
	versions in it.
	(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
	* tree-vect-transform.c (vect_transform_loop): Call
	mark_set_for_renaming with vect_memsyms_to_rename.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(memory_partition): New.
	(set_memory_partition): New.
	(factoring_name_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.

	* tree-ssa-copy.c (may_propagate_copy): Allow copies
	between a partition and a symbol as long as the symbol
	belongs to the partition.
	(merge_alias_info): Ignore merge requests when memory
	partitions are involved.

	* tree-ssa.c (verify_ssa_name): Check that default
	definitions have empty defining statements.
	(verify_use): Remove argument IS_VIRTUAL.
	Don't call verify_ssa_name.
	(verify_phi_args): Call verify_ssa_name.
	(verify_flow_insensitive_alias_info): Handle MPTs.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_name_tags): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_ssa): Check for VOPs only after aliasing
	information is available.
	Check virtuals and real operands separately.
	Call verify_ssa_name on every operand.
	(stmt_references_memory_p): Move to tree-ssa-operands.c.
	(walk_use_def_chains_1): Guard against NULL PHI
	arguments.

	* tree-ssa-operands.c (stmt_references_memory_p): Move from
	tree-ssa.c.
	(get_mpt_for): New.
	(dump_memory_partitions): New.
	(debug_memory_partitions): New.

	* tree-flow.h (struct var_ann_d): Add field mpt.
	(struct stmt_ann_d): Add bitfield references_memory.
	* Makefile.in (tree-ssa-structalias.o): Include
	pointer-set.h
	(tree-ssa-alias.o): Likewise.
	* tree-ssa-structalias.c: (update_alias_info): Use
	STORED_SYMS to determine which variables are being
	written to by the store operation.
	* tree-ssa-structalias.h (struct alias_info)
	<total_alias_vops>: Remove.  Update all users.
	<written_vars>: Change to a pointer set.  Update all
	users.
	<dereferenced_ptrs_store>: Likewise.
	<dereferenced_ptrs_load>: Likewise.
	(NUM_REFERENCES): Remove.  Update all users.
	(NUM_REFERENCES_CLEAR): Remove.  Update all users.
	(NUM_REFERENCES_INC): Remove.  Update all users.
	(NUM_REFERENCES_SET): Remove.  Update all users.

	* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
	Update all users.
	(PARAM_MAX_ALIASED_VOPS): Set to 10.
	* tree-ssanames.c (make_ssa_name): Initialize
	SSA_NAME_IS_DEFAULT_DEF to 0.

2006-12-11  Aldy Hernandez  <aldyh@redhat.com>

	* tree-ssa-dse.c (aggregate_vardecl_d): New.
	(dse_global_data): Add aggregate_vardecl field.
	(dse_possible_dead_store_p): New.
	Add prev_defvar variable.
	Allow immediate uses and previous immediate uses to differ
	if they are setting different parts of the whole.
	(get_aggregate_vardecl): New.
	(dse_record_partial_aggregate_store): New.
	(dse_whole_aggregate_clobbered_p): New.
	(dse_partial_kill_p): New.
	(dse_optimize_stmt): Abstract code checking a possible dead store
	into new function dse_possible_dead_store_p().
	Call dse_maybe_record_aggregate_store().
	When checking whether a STMT and its USE_STMT refer to the
	same memory address, check also for partial kills that clobber
	the whole.
	Move some variable definitions to the block where they are used.
	(aggregate_vardecl_hash): New.
	(aggregate_vardecl_eq): New.
	(aggregate_vardecl_free): New.
	(aggregate_whole_store_p): New.
	(tree_ssa_dse): Initialize and free aggregate_vardecl.
	Mark which aggregate stores we care about.

2006-12-11  Andrew Macleod  <amacleod@redhat.com>

	* tree-ssa-operands.h (struct vuse_element_d): Declare.
	(vuse_element_t): Declare.
	(struct vuse_vec_d): Declare.
	(vuse_vec_p): Declare.
	(VUSE_VECT_NUM_ELEM): Define.
	(VUSE_VECT_ELEMENT_NC): Define.
	(VUSE_ELEMENT_PTR_NC): Define.
	(VUSE_ELEMENT_VAR_NC): Define.
	(VUSE_VECT_ELEMENT): Define.
	(VUSE_ELEMENT_PTR): Define.
	(VUSE_ELEMENT_VAR): Define.
	(struct maydef_optype_d) <use_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct vuse_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(struct mustdef_optype_d) <kill_var>: Remove.
	<use_ptr>: Remove.
	<usev>: Add.
	(VUSE_OP_PTR): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_OP): Add argument.  Use VUSE_ELEMENT_PTR.
	(VUSE_NUM): Define.
	(VUSE_VECT): Define.
	(MAYDEF_OP_PTR): Add argument.  Use VUSE_OP_PTR.
	(MAYDEF_OP): Add argument.  Use VUSE_OP.
	(MAYDEF_NUM): Define.
	(MAYDEF_VECT): Define.
	(MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
	(MUSTDEF_KILL): Use VUSE_OP.
	(MUSTDEF_NUM): Define.
	(MUSTDEF_VECT): Define.
	(realloc_maydef): Declare.
	(realloc_vuse): Declare.
	(struct ssa_operand_iterator_d) <vuse_index>: Add.
	<mayuse_index>: Add.
	(LOADED_SYMS): Define.
	(STORED_SYMS): Define.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
	* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
	operators.
	* tree-pretty-print.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-flow-inline.h: Likewise.
	(op_iter_next_mustdef): New.
	* tree-ssa-operands.c: Likewise.
	(ALLOC_OPTYPE): Remove.
	Update all users.
	(alloc_def): New.
	(alloc_use): New.
	(alloc_maydef): New.
	(alloc_vuse): New.
	(alloc_mustdef): New.
	(realloc_maydef): New.
	(realloc_vuse): New.

2006-12-11  Aldy Hernandez  <aldyh@redhat.com>

	* tree-ssa-operands.c: Remove build_v_must_defs.
	(init_ssa_operands): Delete build_v_must_defs.
	(finalize_ssa_v_must_def_ops): Remove.
	(finalize_ssa_v_must_defs): Remove.
	(finalize_ssa_stmt_operands): Do not call
	finalize_ssa_v_must_defs.
	(start_ssa_stmt_operands): Do not check build_v_must_defs.
	(append_v_must_def): Delete.
	(copy_virtual_operands): Do not copy V_MUST_DEFs.
	(get_modify_expr_operands): Remove reference to V_MUST_DEF from
	comment.  Remove opf_kill_def.
	(build_ssa_operands): Remove references to v_must_defs.
	(copy_virtual_operands): Same.
	(copy_virtual_operands): Same.
	(fini_ssa_operands): Same.
	(free_ssa_operands): Same.
	(add_mustdef_op): Remove.
	Remove mustdef_optype_p.
	(alloc_mustdef): Remove.
	Remove references to V_MUST_DEFs in comment at top of file.
	(get_expr_operands): Remove opf_kill_def.
	(opf_kill_def): Remove.
	(add_virtual_operand): Remove opf_kill_def.
	(get_indirect_ref_operands): Same.
	(get_tmr_operands): Same.

	* tree-vectorizer.c (rename_variables_in_bb): Remove
	SSA_OP_ALL_KILLS.

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
	SSA_OP_ALL_KILLS.
	(check_loop_closed_ssa_stmt): Same.

	* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
	(verify_use): Same.
	(verify_ssa): Remove V_MUST_DEFs traces.
	(verify_ssa): Remove SSA_OP_ALL_KILLS.

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
	SSA_OP_VMAYDEF.
	(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
	(rewrite_stmt): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
	references.
	(MUSTDEF_OPS): Remove.
	(SSA_OP_VMUSTDEF): Remove.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
	(struct mustdef_optype_d): Remove.
	Remove mustdef_optype_p.
	(struct stmt_operands_d): Remove mustdef_ops.
	(ssa_operand_iterator_d): Remove mustdefs and mustkills.
	(SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
	(MUSTDEF_RESULT_PTR): Remove.
	(MUSTDEF_RESULT): Remove.
	(MUSTDEF_KILL_PTR): Remove.
	(MUSTDEF_KILL): Remove.
	(MUSTDEF_NUM): Remove.
	(MUSTDEF_VECT): Remove.
	(SSA_OP_VIRTUAL_KILLS): Remove.
	(SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
	(SSA_OP_VMUSTKILL): Remove.
	(SSA_OP_ALL_KILLS): Remove.
	(SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.

	* tree-flow-inline.h (op_iter_init_def): Remove
	SSA_OP_VIRTUAL_KILLS.
	(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
	SSA_OP_VIRTUAL_KILLS.

	* tree-ssa-loop-im.c (determine_max_movement): Remove
	SSA_OP_VIRTUAL_KILLS.
	(gather_mem_refs_stmt): Same.
	(gather_mem_refs_stmt): Same.

	* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
	(perform_tree_ssa_dce): Remove call to
	mark_really_necessary_kill_operand_phis.

	* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
	and mustkills.
	(op_iter_next_use): Do not check mustkills.
	(op_iter_next_def): Do not check mustdefs.
	(op_iter_next_tree): Do not check mustkills or mustdefs.
	(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
	(op_iter_next_maymustdef): Do not check mustkills.
	(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
	(op_iter_init_mustdef): Remove.

	* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
	SSA_OP_VMAYDEF.

	* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.

	* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
	(visit_assignment): Same.

	* tree-ssa-copy.c (copy_prop_visit_assignment): Same.

	* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.

	* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.

	* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
	Remove kill_p variable.

	* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
	(dump_dfa_stats): Remove code related to V_MUST_DEFs.
	(collect_dfa_stats_r): Do not set num_v_must_defs.
	(mark_new_vars_to_rename): Remove v_must_defs_{before,after}
	code.

	* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
	SSA_OP_VMAYUSE.

	* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
	SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.

	* tree-ssa-propagate.c (stmt_makes_single_store): Remove
	SSA_OP_VMUSTDEF.

From-SVN: r119760
2006-12-11 20:48:51 -05:00
Uros Bizjak
fa283935de re PR target/30120 (silent miscompilation of argument passing)
PR target/30120
	Revert:
	2006-11-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.opt: New target option -mx87regparm.

	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
	float_in_x87: Add new variables. mmx_words, sse_words: Remove.
	(X87_REGPARM_MAX): Define.

	* config/i386/i386.c (override_options): Error out for
	-mx87regparm but no 80387 support.
	(ix86_attribute_table): Add x87regparm.
	(ix86_handle_cconv_attribute): Update comments for x87regparm.
	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
	(ix86_function_x87regparm): New function.
	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
	point registers.
	(init_cumulative_args): Initialize x87_nregs and float_in_x87
	variables.
	(function_arg_advance): Process x87_nregs and x87_regno when
	floating point argument is to be passed in 80387 register.
	(function_arg): Pass XFmode arguments in 80387 registers for local
	functions.  Pass SFmode and DFmode arguments to local functions
	in 80387 registers when flag_unsafe_math_optimizations is set.

	* reg-stack.c (convert_regs_entry): Disable NaN load for
	stack registers that are used for argument passing.

	* doc/extend.texi: Document x87regparm function attribute.
	* doc/invoke.texi: Document -mx87regparm.

testsuite/ChangeLog:

	PR target/30120
	* gcc.target/i386/pr30120.c: New test.

	Revert:
	2006-11-15  Uros Bizjak  <ubizjak@gmail.com>

	* gcc.target/i386/x87regparm-1.c: New test.
	* gcc.target/i386/x87regparm-2.c: New test.
	* gcc.target/i386/x87regparm-3.c: New test.
	* gcc.target/i386/x87regparm-4.c: New test.

From-SVN: r119734
2006-12-11 15:06:07 +01:00
Sa Liu
cc8d70cd9d spu-elf.h (STARTFILE_SPEC): Update.
* config/spu/spu-elf.h (STARTFILE_SPEC): Update.
	(ENDFILE_SPEC): Likewise.
	* config/spu/spu.opt (mstdmain): New option.
	* config/spu/crti.asm: Remove.
	* config/spu/crtn.asm: Likewise.
	* config/spu/crt0.c: Likewise.
	* config/spu/crtend.c: Likewise.
	* config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
	listed above.
	($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
	* doc/invoke.texi (SPU Options): Document -mstdmain.

Co-Authored-By: Ben Elliston <bje@au.ibm.com>

From-SVN: r119727
2006-12-11 11:53:42 +11:00
Nick Clifton
e0d9d0ddb6 common.opt (record-gcc-switches): New command line switch.
* common.opt (record-gcc-switches): New command line switch.
* target.h (print_switch_type): New enum.
  (print_switch_fn_type): New typedef for a function pointer.
  (struct gcc_target): Add record_gcc_switches and record_gcc_switches_section fields.
* target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a default definition.
  (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default definition.
* toplev.c (print_single_switch): Simplify by providing a pointer to function that will format and output the switch appropriately.
  (print_switch_values): Likewise.
  (print_to_asm_out_file): New function.
  (print_to_stderr): New function.
  (init_asm_output): If flag_record_gcc_switches is set then if the target supports recording the switches then emit them into the assembler output file, otherwise tell the user that the switch is not supported.
* varasm.c (eld_record_gcc_switches): New function.  Example handler for the record_gcc_switches target hook.
* doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new target hook.
  (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
* doc/invoke.texi (-frecord-gcc-switches): Document.

From-SVN: r119615
2006-12-07 10:54:13 +00:00
Kazu Hirata
5681c208fa * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
From-SVN: r119441
2006-12-02 02:06:52 +00:00
J"orn Rennecke
dc557046cf sh.opt (minline-ic_invalidate): New option.
* sh.opt (minline-ic_invalidate): New option.
	(musermode): Adjust comment.
	* sh.c (sh_initialize_trampoline): Emit library call unless
	is set; if it is set, don't emit library call if we can use icbi
	instead.
	* sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
	icbi for TARGET_SH4_300.
	* t-sh (LIB1ASMFUNCS_CACHE): Set.
	* doc/invoke.texi: Document -minline-ic_invalidate; Update
	-musermode documentation.

From-SVN: r119314
2006-11-29 14:35:38 +00:00
Jan Hubicka
ff28a94d32 invoke.texi (large-stack-frame, [...]): New params.
* invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
	* cgraph.c (dump_cgraph_node): Dump stack usage.
	* cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
	(cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
	* cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
	(cgraph_check_inline_limits): Limit stack growth.
	* cfgexpand.c: Include tree-inline.h.
	(account_stack_vars): New function.
	(expand_one_var): New param to just account the stack; return estimated
	size.
	(expand_used_vars_for_block): Update call of expand_one_var.
	(account_used_vars_for_block): New function.
	(estimated_stack_frame_size): Likewise.
	(init_vars_expansion, fini_vars_expansion): Break out from..
	(expand_used_vars): ... here.
	* tree-inline.h (estimated_stack_frame_size): Declare.
	* params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.

From-SVN: r119281
2006-11-28 10:53:16 +00:00
Tobias Burnus
dbdbfff135 invoke.texi: Fixed typo.
2006-11-27  Tobias Burnus  <burnus@net-b.de>

       * doc/invoke.texi: Fixed typo.

From-SVN: r119257
2006-11-27 17:43:12 +01:00
Jan Hubicka
8c99651385 expr.c (emit_block_move_via_libcall): Export.
* expr.c (emit_block_move_via_libcall): Export.
	(clear_storage_via_libcall): Rename to ...
	(set_storage_via_libcall): ... this one; handle arbitrary value to set.
	(clear_storage): Update to set_storage_via_libcall.
	* expr.h (emit_block_move_via_libcall): Declare
	* config/i386/i386.h (stringop_alg): New enum.
	(MAX_STRINGOP_ALGS): New constant.
	(stringop_algs): New struct.
	(processor_costs): Add memcpy/memset descriptors.
	(TARGET_REP_MOVEL_OPTIMAL): Remove.
	* config/i386/i386.md (movsi_insv_1_rex64): New pattern.
	(strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
	for memset.
	* config/i386/i386.opt (minline-stringops-dynamically,
	mstringop-strategy): New
	parameters.
	* config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
	(ix86_expand-clrmem): Rename to ...
	(ix86_expand_setmem): ... this one; update prototype.
	* config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
	(size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
	geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
	nocona_cost, core2_cost, generic_cost, generic64_cost,
	generic32_cost): Add memcpy/memset descriptors.
	(x86_rep_movl_optimal): Remove.
	(stringop_alg): New static variable.
	(ix86_expand_aligntest): Handle predictions.
	(override_options): Add strgop_alg handling.
	(predict_jump): New function.
	(scale_counter): New function.
	(expand_set_or_movmem_via_loop): New function.
	(expand_movmem_via_rep_mov): New function.
	(expand_setmem_via_rep_stots): New function.
	(emit_strmov): New function.
	(expand_movmem_epilogue): New function.
	(expand_setmem_epilogue_via_loop): New function.
	(expand_setmem_epilogue): New function.
	(expand_movmem_prologue): New function.
	(expand_setmem_prologue): New function.
	(decide_alg): New function.
	(decide_alignment): New function.
	(ix86_exand_movmem): Rewrite.
	(promote_duplicated_reg): New function.
	(ix86_expand_clrmem): Rename to ...
	(ix86_expand_setmem): ... this one. Rewrite.

	* invoke.texi (minline-stringops-dynamically): New command line option.
	(mstringop-strategy): Likewise.

From-SVN: r119252
2006-11-27 16:00:26 +00:00
Manuel López-Ibáñez
422c3a54ea re PR c/2707 (gcc does not warn on truncate)
2006-11-24  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

	PR c/2707
	PR c++/26167
	* c-common.c (conversion_warning): New.
	(convert_and_check): Call conversion_warning unless there is an
	overflow warning.
	* doc/invoke.texi (-Wconversion): Update description.

testsuite/

	* gcc.dg/Wconversion-integer.c: New. Supersedes	
	Wconversion-negative-constants.c 
	* gcc.dg/Wconversion-real.c: New.
	* gcc.dg/Wconversion-real-integer.c: New.
	* gcc.dg/Wconversion-negative-constants.c: Deleted.
	* g++.dg/warn/Wconversion1.C: Modified.

From-SVN: r119143
2006-11-24 01:50:33 +00:00
Manuel López-Ibáñez
05170031ab re PR c/9072 (-Wconversion should be split into two distinct flags)
2006-11-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/9072 
	* c.opt (Wtraditional-conversion): New.
	(Wconversion): Update description.
	* c-typeck.c (convert_arguments): Warnings for prototypes causing
	type conversions different from what would happen in the absence
	of prototype are now handled by Wtraditional-conversion.
	* doc/invoke.texi (Wtraditional-conversion): New.
	(Wconversion): Update description.
	* doc/trouble.texi (Wconversion): Replace Wconversion by
	Wtraditional-conversion.

testsuite/

	PR c/9072 
	* gcc.dg/builtin-protos-1.c: Replace Wconversion by
	Wtraditional-conversion.
	* gcc.dg/overflow-warn-2.c: Likewise.
	* gcc.dg/Wconversion.c: Likewise. Renamed as
	Wtraditional-conversion.c .
	* gcc.dg/Wconversion-2.c: Likewise. Renamed as
	Wtraditional-conversion-2.c .
	* gcc.dg/dfp/Wconversion-2.c: Likewise. Renamed as
	Wtraditional-conversion-2.c 
	* gcc.dg/Wconversion-negative-constants.c: New.

From-SVN: r119129
2006-11-23 18:39:32 +00:00
David Ung
6f42806295 mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu combination.
gcc:
	* config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
	combination.
	(ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
	(ASM_SPEC): Pass along -mfp32 and -mfp64.
	* config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
	high part of FP register when in 64-bit FP register mode.  Similarly
	use gen_mfhc1 to load high part of FP register.
	(override_options): Allow -mgp32 and -mfp64 combination if
	ISA_HAS_MXHC1 (currently for O32 only).
	(mips_cannot_change_mode_class): If floating-point registers are
	bigger than word size. disallow conversion of float register from a
	large integer mode to a float mode smaller than the float register
	size.
	(mips_class_max_nregs): Handle float registers case seperately.
	* config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
	UNSPEC_MTHC1.
	(movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
	(movdf_hardfloat_32bit): Similarly.
	(movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
	support a full 64-bit fpu.
	(mthc1): New pattern to generate MTHC1 instruction.
	(mfhc1): New pattern to generate MFHC1 instruction.
	* doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
	option for the MIPS32R2 and mention its use under O32 ABI.

gcc/testsuite:
	* gcc.target/mips/mips.exp (dg-mips-options): Handle parsing of
	-mfp64, allowable when ISA >= 33 and float is enabled.
	* gcc.target/mips/mips32r2-mxhc1.c: New test for checking the use
	of mthc1 and mfhc1 patterns.

From-SVN: r119124
2006-11-23 16:13:46 +00:00
Bernd Schmidt
d6eb07dc7c bfin.opt (mstack-check-l1): New.
* config/bfin/bfin.opt (mstack-check-l1): New.
	* doc/invoke.texi (Blackfin Options): Document it.
	* config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
	stack bounds in L1 memory if the new option is enabled.
	(override_options): Don't allow combinations of -fstack-limit and
	-mstack-check-l1.
	(add_to_reg): Renamed from add_to_sp.  All callers changed.  Lose some
	dead code.

From-SVN: r119049
2006-11-21 10:07:38 +00:00
Trevor Smigiel
85d9c13c20 configure.in (skipdirs): Don't build target-libiberty for SPU.
ChangeLog

	* configure.in (skipdirs) : Don't build target-libiberty for SPU.
	* configure : Rebuilt.

gcc/ChangeLog

	* config.gcc : Add target for SPU.
	* config/spu/constraints.md : New file.
	* config/spu/crt0.c : New file.
	* config/spu/crtend.c : New file.
	* config/spu/crti.asm : New file.
	* config/spu/crtn.asm : New file.
	* config/spu/float_unsdidf.c : New file.
	* config/spu/float_unssidf.c : New file.
	* config/spu/predicates.md : New file.
	* config/spu/spu-builtins.def : New file.
	* config/spu/spu-builtins.h : New file.
	* config/spu/spu-builtins.md : New file.
	* config/spu/spu-c.c : New file.
	* config/spu/spu-elf.h : New file.
	* config/spu/spu-modes.def : New file.
	* config/spu/spu-protos.h : New file.
	* config/spu/spu.c : New file.
	* config/spu/spu.h : New file.
	* config/spu/spu.md : New file.
	* config/spu/spu.opt : New file.
	* config/spu/spu_internals.h : New file.
	* config/spu/spu_intrinsics.h : New file.
	* config/spu/spu_mfcio.h : New file.
	* config/spu/t-spu-elf : New file.
	* config/spu/vec_types.h : New file.
	* config/spu/vmx2spu.h : New file.
	* doc/contrib.texi : Document SPU contributor.
	* doc/extend.texi : Document SPU extensions.
	* doc/invoke.texi : Document SPU options.
	* doc/md.texi : Document SPU constraints.

libcpp/ChangeLog

	* configure.ac (need_64bit_hwint): Need 64bit hwint for SPU.
	* configure : Rebuilt.

From-SVN: r119041
2006-11-21 01:35:42 +00:00
Vladimir Makarov
05f85dbb6d invoke.texi (core2): Add item.
2006-11-18  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/invoke.texi (core2): Add item.

	* config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
	macros.
	(TARGET_CPU_CPP_BUILTINS): Add code for core2.
	(TARGET_CPU_DEFAULT_generic): Change value.
	(TARGET_CPU_DEFAULT_NAMES): Add core2.
	(processor_type): Add new constant PROCESSOR_CORE2.

	* config/i386/i386.md (cpu): Add core2.

	* config/i386/i386.c (core2_cost): New initialized variable.
	(m_CORE2): New macro.
	(x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
	x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
	x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
	x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
	x86_partial_reg_dependency, x86_memory_mismatch_stall,
	x86_accumulate_outgoing_args, x86_prologue_using_move,
	x86_epilogue_using_move, x86_arch_always_fancy_math_387,
	x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
	x86_use_incdec, x86_four_jump_limit, x86_schedule,
	x86_pad_returns): Add m_CORE2.
	(override_options): Add entries for Core2.
	(ix86_issue_rate): Add case for Core2.

From-SVN: r118973
2006-11-18 18:43:19 +00:00
Aldy Hernandez
ea57490067 invoke.texi: Fix mno-isel typo.
* doc/invoke.texi: Fix mno-isel typo.

From-SVN: r118969
2006-11-18 10:55:38 +00:00
Uros Bizjak
47a37ce45e i386.opt: New target option -mx87regparm.
* config/i386/i386.opt: New target option -mx87regparm.

	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
	float_in_x87: Add new variables. mmx_words, sse_words: Remove.
	(X87_REGPARM_MAX): Define.

	* config/i386/i386.c (override_options): Error out for
	-mx87regparm but no 80387 support.
	(ix86_attribute_table): Add x87regparm.
	(ix86_handle_cconv_attribute): Update comments for x87regparm.
	(ix86_comp_type_attributes): Check for mismatched x87regparm types.
	(ix86_function_x87regparm): New function.
	(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
	point registers.
	(init_cumulative_args): Initialize x87_nregs and float_in_x87
	variables.
	(function_arg_advance): Process x87_nregs and x87_regno when
	floating point argument is to be passed in 80387 register.
	(function_arg): Pass XFmode arguments in 80387 registers for local
	functions.  Pass SFmode and DFmode arguments to local functions
	in 80387 registers when flag_unsafe_math_optimizations is set.

	* reg-stack.c (convert_regs_entry): Disable NaN load for
	stack registers that are used for argument passing.

	* doc/extend.texi: Document x87regparm function attribute.
	* doc/invoke.texi: Document -mx87regparm.

testsuite/ChangeLog:

	* gcc.target/i386/x87regparm-1.c: New test.
	* gcc.target/i386/x87regparm-2.c: New test.
	* gcc.target/i386/x87regparm-3.c: New test.
	* gcc.target/i386/x87regparm-4.c: New test.

From-SVN: r118859
2006-11-15 17:21:58 +01:00
Zdenek Dvorak
47eb5b329b params.c (set_param_value): Initialize the "set" field.
* params.c (set_param_value): Initialize the "set" field.
	* params.h (struct param_info): Add "set" field.
	(PARAM_SET_P): New macro.
	(PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
	L1_CACHE_LINE_SIZE): New macros.
	* toplev.c (DEFPARAM): Initialize the "set" field.
	* tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
	SIMULTANEOUS_PREFETCHES): Removed.
	(PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
	(tree_ssa_prefetch_arrays): Dump the values of the parameters.
	* config/sparc/sparc.c: Include params.h.
	(sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
	L1_CACHE_LINE_SIZE parameters.
	* config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
	Removed.
	* config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
	Removed.
	* config/i386/i386.c: Include params.h.
	(k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
	(override_options): Set SIMULTANEOUS_PREFETCHES and
	L1_CACHE_LINE_SIZE parameters.
	* config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
	(OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
	L1_CACHE_LINE_SIZE parameters.
	* config/ia64/ia64.c (ia64_optimization_options): Set
	SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
	* config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
	Removed.
	* params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
	PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
	* doc/invoke.texi: Document new params.

From-SVN: r118728
2006-11-12 19:17:02 +00:00
Brooks Moses
dd50845792 invoke.texi: Minor formatting fixes in option lists.
* doc/invoke.texi: Minor formatting fixes in option lists.

From-SVN: r118617
2006-11-09 00:25:12 -08:00
Josh Conner
d2927bd54f invoke.texi (fstrict-aliasing): Move implementation details...
2006-11-07  Josh Conner  <jconner@apple.com>

	* doc/invoke.texi (fstrict-aliasing): Move implementation
	details...
	* doc/tree-ssa.texi (Alias analysis): ...here.

From-SVN: r118559
2006-11-07 17:40:13 +00:00
Paolo Bonzini
a52b023a5f fwprop.c: New file.
2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
            Steven Bosscher  <stevenb.gcc@gmail.com>

        * fwprop.c: New file.
        * Makefile.in: Add fwprop.o.
        * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
        * passes.c (init_optimization_passes): Schedule forward propagation.
        * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
        parameter.
        * timevar.def (TV_FWPROP): New.
        * common.opt (-fforward-propagate): New.
        * opts.c (decode_options): Enable forward propagation at -O2.
        * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
        * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
        canon_for_address, table_size): Remove.
        (new_basic_block, insert, remove_from_table): Remove references to
        table_size.
        (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
        simplification loop more straightforward by not calling fold_rtx
        recursively.
        (equiv_constant): Move here a small part of fold_rtx_subreg,
        do not call fold_rtx.  Call avoid_constant_pool_reference
        to process MEMs.
        * recog.c (canonicalize_change_group): New.
        * recog.h (canonicalize_change_group): New.

        * doc/invoke.texi (Optimization Options): Document fwprop.
        * doc/passes.texi (RTL passes): Document fwprop.


Co-Authored-By: Steven Bosscher <stevenb.gcc@gmail.com>

From-SVN: r118475
2006-11-04 08:36:45 +00:00
David Ung
a55808a73a mips.h (processor_type): Removed PROCESSOR_24K, add PROCESSOR_24KC and PROCESSOR_24KF.
* config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
PROCESSOR_24KC and PROCESSOR_24KF.
* config/mips/mips.c (mips_cpu_info_table): Add processor names
and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
(mips_rtx_cost_data): Add costs for the 24kc.
* config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
* config/mips/24k.md: Remove references to 24k and replace with
uses of 24kc/24kf in the appropriate reservations.
* doc/invoke.texi (MIPS Options): Updated.

From-SVN: r118459
2006-11-03 17:32:39 +00:00
Brooks Moses
9015044125 invoke.texi: Fix mfp-trap-mode typo.
* doc/invoke.texi: Fix mfp-trap-mode typo.

From-SVN: r118447
2006-11-02 17:06:26 -08:00
Pete Steinmetz
44cd321ed8 invoke.texi: Add cpu_type power6x (RS/6000 and PowerPC Options): Add -mmfpgpr.
* doc/invoke.texi: Add cpu_type power6x
	(RS/6000 and PowerPC Options): Add -mmfpgpr.
	* config.gcc: Add cpu_type power6x.
	* configure.ac: Add test for mf{t,f}gpr instructions.
	(HAVE_AS_MFPGPR): New.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
	* config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
	shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
	and mftgpr attributes.
	(define_attr "cpu"): Add power6.
	Change instruction sequences to use new attributes.
	(floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
	(fix_truncdfsi2_mfpgpr): New.
	(floatsidf_ppc64_mfpgpr): New.
	(floatsidf_ppc64): Added !TARGET_MFPGPR condition.
	(movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
	(movdf_hardfloat64): Added !TARGET_MFPGPR condition.
	(movdi_internal64): Added !TARGET_MFPGPR and related conditions.
	(fix_truncdfsi2): Use gpc_reg_operand constraint.
	* config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
	7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
	Add descriptions for insert_dword, shift,trap,var_shift_rotate,
	cntlz,exts and var_delayed_compare.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	_ARCH_PWR6X, if features enabled.
	* config/rs6000/rs6000.opt (mmfpgpr): New.
	* config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
	(cached_can_issue_more): New variable.
	(processor_costs): Add power6_cost.
	(rs6000_sched_init): New function.
	(is_dispatch_slot_restricted): Deleted.
	(set_to_load_agen): New function.
	(is_load_insn,is_store_insn): New functions.
	(adjacent_mem_locations): New function.
	(insn_must_be_first_in_group): New function.
	(insn_must_be_last_in_group): New function.
	(rs6000_sched_reorder): New function.
	(rs6000_sched_reorder2): New function.
	(TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
	TARGET_SCHED_REORDER2): Define.
	(processor_target_table): Use PROCESSOR_POWER6 for power6.
	Add power6x. Add MASK_MFPGPR for power6x.
	(POWERPC_MASKS): Add MASK_MFPGPR.
	(rs6000_override_options): Set rs6000_always_hint to false
	for power6.  Set rs6000_align_branch_targets. Replace
	rs6000_sched_groups check with rs6000_align_branch_targets.
	Use PROCESSOR_POWER6.
	(last_scheduled_insn): New variable.
	(load_store_pendulum): New variable.
	(rs6000_variable_issue): Set last_scheduled_insn and
	cached_can_issue_more.
	(rs6000_adjust_cost): Add power6 cost adjustments.
	(rs6000_adjust_priority): Replace is_dispatch_slot_restricted
	with insn_must_be_first_in_group. Add power6 priority adjustments.
	(rs6000_issue_rate): Add CPU_POWER6.
	(insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
	* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
	(TARGET_MFPGPR): New.
	(SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
	(ASM_CPU_SPEC): Add power6x.
	(SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
	conditions.
	* config/rs6000/power6.md: New file.


Co-Authored-By: Peter Bergner <bergner@vnet.ibm.com>

From-SVN: r118396
2006-11-01 14:47:53 -06:00
Doug Gregor
966541e34d c-common.c (flag_cpp0x): New.
2006-11-01	Douglas Gregor <doug.gregor@gmail.com>

	* c-common.c (flag_cpp0x): New.
	* c-common.h (flag_cpp0x): New.
	* c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
	supported, define __GXX_EXPERIMENTAL_CPP0X__.
	* c-opts.c (set_std_cxx0x): New.
	(c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
	* c.opt (std=c++0x): Document.
	(std=gnu++0x): Ditto.
	* doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
	* doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.

From-SVN: r118386
2006-11-01 16:29:06 +00:00
Andrew Pinski
4a574196f5 invoke.texi (-fkeep-inline-functions): Change "GNU C" to "GNU C89".
2006-10-31  Andrew Pinski  <pinskia@gmail.com>

        * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
        to "GNU C89".

From-SVN: r118372
2006-10-31 23:28:53 -08:00
Andrew Pinski
5c9ab0a6ee re PR other/29271 (Incorrect -fdump-rtl-sched documentation)
2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29271
        * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
        (-fdump-rtl-sched): Rename to ..
        (-fdump-rtl-sched1): here.  Also fix file extension number.

From-SVN: r118128
2006-10-28 17:27:49 -07:00
Vladimir Makarov
cfe1b18f45 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
* config/i386/i386.h (TARGET_GEODE):
	(TARGET_CPU_CPP_BUILTINS): Add code for geode.
	(TARGET_CPU_DEFAULT_geode): New macro.
	(TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
	TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
	TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
	TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
	TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
	the macro values.
	(TARGET_CPU_DEFAULT_NAMES): Add geode.
	(processor_type): Add PROCESSOR_GEODE.

	* config/i386/i386.md: Include geode.md.
	(cpu): Add geode.

	* config/i386/i386.c (geode_cost): New initialized global
	variable.
	(m_GEODE, m_K6_GEODE): New macros.
	(x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
	x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
	x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
	x86_schedule): Use m_K6_GEODE instead of m_K6.
	(x86_movx, x86_cmove): Set up m_GEODE.
	(x86_integer_DFmode_moves): Clear m_GEODE.
	(processor_target_table): Add entry for geode.
	(processor_alias_table): Ditto.

	* config/i386/geode.md: New file.

	* doc/invoke.texi: Add entry about geode processor.

From-SVN: r118090
2006-10-27 22:43:00 +00:00
H.J. Lu
b1875f5291 config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
	(x86_64-*-*): Likewise.

	* config/i386/i386.c (pta_flags): Add PTA_SSSE3.
	(override_options): Check SSSE3.
	(ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
	IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
	IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
	IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
	IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
	IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
	IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
	IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
	IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
	IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
	IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
	IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
	IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
	IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
	IX86_BUILTIN_PABSD128.
	(bdesc_2arg): Add SSSE3.
	(bdesc_1arg): Likewise.
	(ix86_init_mmx_sse_builtins): Support SSSE3.
	(ix86_expand_builtin): Likewise.
	* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.

	* config/i386/i386.md (UNSPEC_PSHUFB): New.
	(UNSPEC_PSIGN): Likewise.
	(UNSPEC_PALIGNR): Likewise.
	Include mmx.md before sse.md.

	* config/i386/i386.opt: Add -mssse3.

	* config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
	(ssse3_phaddwv4hi3): Likewise.
	(ssse3_phadddv4si3): Likewise.
	(ssse3_phadddv2si3): Likewise.
	(ssse3_phaddswv8hi3): Likewise.
	(ssse3_phaddswv4hi3): Likewise.
	(ssse3_phsubwv8hi3): Likewise.
	(ssse3_phsubwv4hi3): Likewise.
	(ssse3_phsubdv4si3): Likewise.
	(ssse3_phsubdv2si3): Likewise.
	(ssse3_phsubswv8hi3): Likewise.
	(ssse3_phsubswv4hi3): Likewise.
	(ssse3_pmaddubswv8hi3): Likewise.
	(ssse3_pmaddubswv4hi3): Likewise.
	(ssse3_pmulhrswv8hi3): Likewise.
	(ssse3_pmulhrswv4hi3): Likewise.
	(ssse3_pshufbv16qi3): Likewise.
	(ssse3_pshufbv8qi3): Likewise.
	(ssse3_psign<mode>3): Likewise.
	(ssse3_psign<mode>3): Likewise.
	(ssse3_palignrti): Likewise.
	(ssse3_palignrdi): Likewise.
	(abs<mode>2): Likewise.
	(abs<mode>2): Likewise.

	* config/i386/tmmintrin.h: New file.

	* doc/extend.texi: Document SSSE3 built-in functions.

	* doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.

From-SVN: r117958
2006-10-22 10:40:21 -07:00
Chen Liqin
93ef7c1f7e invoke.texi (Score Options): New section.
* doc/invoke.texi (Score Options): New section.
        * doc/md.texi (Score family): New section to document constraints.
        * config/score/t-score-elf: Fix spelling typo.
        * config/score/score.c: Add TARGET_DEFAULT_TARGET_FLAGS macro.
        * config/score/score.h: Fix spelling typo.
        * config/score/score-mdaux.c: Remove TARGET_NOPINDEX condition.
        * config/score/score.opt: Remove -mnpi -mnuls -mSCORE5/5U -mSCORE7
          options.

From-SVN: r117882
2006-10-19 09:19:21 +00:00
Mike Stump
b5d713b9b0 Fix typo
From-SVN: r117808
2006-10-17 00:49:07 +00:00
Mike Stump
571640241c * doc/invoke.texi (Darwin Options): Document -mkernel.
From-SVN: r117798
2006-10-16 23:06:26 +00:00
Ben Elliston
07d83dadc4 invoke.texi (RS/6000 and PowerPC Options): Add -m to the -mdlmzb option.
* doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
	-mdlmzb option.

From-SVN: r117596
2006-10-10 17:34:10 +10:00
Ryan Mansfield
1576e2be33 re PR c++/28448 (doc reference to -fdiagnostics-show-options looks like it should be -fdiagnostics-show-option)
2006-10-02  Ryan Mansfield  <rmansfield@qnx.com>

	PR c++/28448
	* doc/invoke.texi (fdiagnostics-show-option): Fix typos.

From-SVN: r117429
2006-10-04 10:21:08 +00:00
Joseph Myers
7ed322d7b5 re PR c/24010 (Duplicate C99 dot initializer warning missing)
PR c/24010
	* c.opt (Woverride-init): New.
	* c-opts.c (c_common_post_options): Default warn_override_init to
	extra_warnings.
	* c-typeck.c (add_pending_init, output_init_element): Warn for
	overriding initializers without side effects.
	* doc/invoke.texi (-Woverride-init): Document.
	(-Wextra): Update.

testsuite:
	* gcc.dg/Woverride-init-1.c, gcc.dg/Woverride-init-2.c,
	gcc.dg/Woverride-init-3.c: New tests.

From-SVN: r117334
2006-09-30 20:46:06 +01:00
Matthias Klose
bc49e3719f invoke.texi: Add missing full stop.
2006-09-25  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Add missing full stop.

From-SVN: r117211
2006-09-25 21:19:58 +00:00
H.J. Lu
04df96dded invoke.texi (mpreferred-stack-boundary): Remove exception for -Os.
2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/invoke.texi (mpreferred-stack-boundary): Remove exception
	for -Os. Update __m128 alignment requirement.

From-SVN: r116917
2006-09-12 22:59:30 -07:00
Benjamin Smedberg
6c9384c3c0 re PR c++/28687 (dynamic_cast<void*> disallowed too rigorously with -fno-rtti)
PR c++/28687
        * rtti.c (build_dynamic_cast, build_dynamic_cast_1):
        Move -fno-rtti check to be more specific.

From-SVN: r116350
2006-08-23 10:04:24 -04:00
Mike Stump
e8c96d0901 invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
* doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
	* doc/cppopts.texi (-MD): Likewise.

From-SVN: r116187
2006-08-16 20:36:23 +00:00
Matthias Klose
374701191f invoke.texi: Fix spelling errors.
2006-08-13  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix spelling errors.

From-SVN: r116107
2006-08-13 07:27:30 +00:00