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756 Commits

Author SHA1 Message Date
Daniel Berlin
1b096a0a0a tree.h (INDIRECT_REF_P): New macro. 
2004-09-29  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (INDIRECT_REF_P): New macro.
	* alias.c (get_alias_set): Use it
	(nonoverlapping_memrefs_p): Ditto.
	* emit-rtl.c (mem_expr_equal_p): Ditto.
	(set_mem_attributes_minus_bitpos): Ditto.
	(is_gimple_addressable): Ditto.
	(get_base_address): Ditto.
	* tree-ssa-alias.c (find_ptr_derefernece): Ditto.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
	* tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
	(add_address_candidates): Ditto.
	(rewrite_address_base): Ditto.

From-SVN: r88309
 2004-09-29 23:08:32 +00:00
Jakub Jelinek
58c8adc127 tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD and TI_VA_LIST_FPR_COUNTER_FIELD. 
* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
	and TI_VA_LIST_FPR_COUNTER_FIELD.
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* Makefile.in (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.

	* 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.

	* gcc.c-torture/execute/stdarg-1.c: New test.
	* gcc.c-torture/execute/stdarg-2.c: New test.
	* gcc.c-torture/execute/stdarg-3.c: New test.
	* 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.

From-SVN: r88279
 2004-09-29 11:47:56 +02:00
Kazu Hirata
ea4b78487c c-typeck.c, [...]: Fix comment formatting. 
* c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
	gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
	lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
	tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.

From-SVN: r88102
 2004-09-25 14:36:40 +00:00
Jeff Law
3aecd08b53 tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV. 
* tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
	than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
	(substitute_and_fold):  Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
	except invariants from SSA_NAME_VALUE.
	(thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
	and SET_SSA_NAME_EQUIV.
	(restore_vars_to_original_value, record_const_or_copy): Likewise.
	(record_equivalences_from_phis, record_const_or_copy_1): Likewise.
	(record_equality, cprop_into_successor_phis): Likewise.
	(record_equivalences_from_stmt, cprop_operand): Likewise.
	(lookup_avail_expr): Likewise.
	* tree-ssa-pre.c (fini_pre): Remove everything except invariants
	from SSA_NAME_VALUE.
	* tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
	(struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
	annotation from the VALUE_HANDLE field.

From-SVN: r87979
 2004-09-23 14:15:30 -06:00
Dorit Naishlos
7ccf35ed17 tree.def (ALIGN_INDIRECT_REF, [...]): New tree-codes. 
2004-09-23  Dorit Naishlos <dorit@il.ibm.com>

        * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
        New tree-codes.
        * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
        MISALIGNED_INDIRECT_REF.
        * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
        Likewise.
        * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
        (find_interesting_uses_address): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p): Likewise.
        (build_fold_addr_expr_with_type): Likewise.
        * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
        * print-rtl.c (print_mem_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
        * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
        * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
        Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
        * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
        (add_address_candidates, rewrite_address_base): Likewise.
        * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
        Likewise.
        * tree.c (staticp, build1_stat): Likewise.

        * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
        * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

        * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
        optabs.
        (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
        for the new optabs.
        (expand_ternary_op): New function.
        * genopinit.c (optabs): Handle the new optabs.
        * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
        (init_optabs): Initialize vec_realign_load_optab.
        (expand_ternary_op): New functions.

        * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
        * target.h (struct vectorize): New member for struct gcc_target.
        (misaligned_mem_ok): New member for targetm.vectorize.
        (builtin_mask_for_load): Likewise.
        (builtin_mask_for_store): Likewise.
        * targethooks.c (default_vect_misaligned_mem_ok): New function.
        * targethooks.h (default_vect_misaligned_mem_ok): New function.

        * config/rs6000/altivec.md (build_vector_mask_for_load): New
        define_expand.
        (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
        (vec_realign_load_v16qi): New define_insn.
        * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
        (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
        * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
        (altivec_builtin_mask_for_store): New variables.
        (rs6000_builtin_mask_for_load): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
        (rs6000_builtin_mask_for_store): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
        (rs6000_expand_builtin): Expand the target builtins
        builtin_mask_for_load and builtin_mask_for_store.
        (altivec_init_builtins): Initialize the new target builtins.
        * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
        Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

        * tree-vectorizer.c (vect_create_data_ref): Renamed to
        vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
        (vect_create_addr_base_for_vector_ref): Additional argument (offset).
        (vectorizable_store): Call vect_create_data_ref_ptr with additional
        arguments, and create an indirect_ref with its return value data_ref.
        Check aligned_access_p.
        (vectorizable_load): Handle misaligned loads, using software-pipelined
        scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
        vec_realign_load_optab is supported, or using a scheme without
        software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
        misaligned_mem_ok is supported.

        (vect_finish_stmt_generation): Typo.
        (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
        (vect_analyze_data_refs_alignment): Don't fail vectorization in the
        presence of misaligned loads.
        (vect_analyze_data_ref_access): Add check for constant init.
        (vect_get_symbl_and_dr): Remove duplicate line.
        * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

From-SVN: r87948
 2004-09-23 14:34:35 +00:00
Eric Christopher
d3147f6452 builtins.c (simplify_builtin_va_start): Remove. 
2004-09-22  Eric Christopher  <echristo@redhat.com>

        * builtins.c (simplify_builtin_va_start): Remove.
        (simplify_builtin): Ditto.
        (fold_builtin_strchr): Ditto.
        (simplify_builtin_*): Rename remainders to fold_builtin_*.
        (expand_builtin): Fix up for above changes.
        (fold_builtin_1): Add new folders. Change for above.
        (expand_builtin_va_start): Call fold_builtin_next_arg.
        * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
        * tree.h: Remove prototype for simplify_builtin.

From-SVN: r87921
 2004-09-23 06:16:09 +00:00
Jeff Law
195da47bbb tree-ssa-ccp.c (get_default_value): If we have a constant value recorded for an SSA_NAME... 
* tree-ssa-ccp.c (get_default_value): If we have a constant
	value recorded for an SSA_NAME, then use that constant as
	the initial lattice value.
	(substitute_and_fold): Transfer equivalences discovered into
	SSA_NAME_EQUIV.

	* tree.h (SSA_NAME_EQUIV): Add comments.
	(SET_SSA_NAME_EQUIV): Similarly.

From-SVN: r87844
 2004-09-21 22:07:23 -06:00
Jeff Law
6f2aec072e 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
 2004-09-20 21:19:00 -06:00
Geoffrey Keating
a396f8ae24 re PR pch/13361 (const wchar_t * strings not stored in pch) 
* tree-inline.c (copy_tree_r): Don't duplicate constants, they're
	shared anyway.

	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.

From-SVN: r87695
 2004-09-18 05:50:52 +00:00
Zack Weinberg
b85e3643cc tree.c, tree.h (tree_class_strings): Make array const. 
* tree.c, tree.h (tree_class_strings): Make array const.
	Reindent per coding convention.  Move asterisk to proper place
	per coding convention.

From-SVN: r87685
 2004-09-18 00:43:42 +00:00
Jeffrey D. Oldham
6615c44615 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.

	* tree.h (enum tree_code_class): New.
	(tree_code_class_strings): Declare.
	(TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
	(REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
	(STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
	(TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
	(checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

	* tree.def, c-common.def, objc/objc-tree.def: Use
	tree_code_class enumeration constants instead of code letters.

	* alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
	* c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
	* emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
	* langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
	* tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
	* tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
	* tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
	* tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
	* tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
	* tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
	* tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
	* config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
	* config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
	Update to match.

	* LANGUAGES: Add note about change.

ada:
	* ada-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* ada-tree.h, decl.c, misc.c, trans.c, utils.c, utils2.c:
	Update for new tree-class enumeration constants.

cp:
	* cp-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* call.c, class.c, cp-gimplify.c, cp-lang.c, cxx-pretty-print.c
	* mangle.c, pt.c, semantics.c, tree.c, typeck.c:
	Update for new tree-class enumeration constants.

fortran:
	* f95-lang.c, trans-expr.c, trans.c: Update for new tree-class
	enumeration constants.

java:
	* java-tree.def: Use tree_code_class enumeration constants
	instead of code letters.
	* java-gimplify.c, jcf-write.c, lang.c, parse.y: Update for
	new tree-class enumeration constants.

treelang:
	* treetree.c: Update for new tree-class enumeration constants.

From-SVN: r87675
 2004-09-17 21:55:02 +00:00
Zdenek Dvorak
2f4675b482 fold-const.c (fold): Fold difference of addresses. 
* fold-const.c (fold): Fold difference of addresses.
	(ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
	get_inner_reference.
	* tree-ssa-loop-ivopts.c (peel_address): Removed.
	(ptr_difference_const): Moved to fold-const.c.
	(split_address_cost): Use get_inner_reference instead of peel_address.
	(ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
	* tree.h (ptr_difference_const): Export.

	* tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
	variable type to the dump.  Fix indentation.
	(idx_find_step): Handle nonconstant array_ref_element_size and
	array_ref_low_bound.
	(idx_record_use): Handle array_ref_element_size and
	array_ref_low_bound.
	(find_interesting_uses_stmt): Handle memory = nontrivial_expression
	statements correctly.
	(get_computation_at, iv_value): Do not unshare expressions here.
	(rewrite_use_outer): Unshare the expression before it is emitted
	to code.
	* tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
	Moved to tree.c.
	* tree.c (unsigned_type_for, signed_type_for): Moved from
	tree-ssa-loop-niter.c.  Use langhooks.
	* tree.h (signed_type_for): Export.

From-SVN: r87601
 2004-09-16 14:58:01 +00:00
Richard Henderson
a5bfe14186 re PR tree-optimization/17436 (Huge memory use regression) 
PR 17436
        * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
        (tree_type): Replace spare with contains_placeholder_bits.
        (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
        make static.  Remove seen_types list.
        (type_contains_placeholder_p): New.

From-SVN: r87447
 2004-09-13 13:27:05 -07:00
Richard Henderson
373c0e7f04 re PR c++/16254 (ICE in lower_stmt, at gimple-low.c:205) 
PR c++/16254
        * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
        * tree.c, tree.h (has_cleanups): Remove.
cp/
        * semantics.c (maybe_cleanup_point_expr): Don't call fold.
        * typeck.c (condition_conversion): Likewise.

From-SVN: r87407
 2004-09-12 14:36:50 -07:00
Zack Weinberg
a38b644be6 tree.c (tree_code_size): New function, bulk of code from tree_size. 
* tree.c (tree_code_size): New function, bulk of code from tree_size.
	(tree_size, make_node): Use it.
	* tree-ssa-pre.c (init_pre): Use it.
	* tree.h: Prototype it.

From-SVN: r87371
 2004-09-11 21:14:39 +00:00
Zdenek Dvorak
30d396e3d5 tree-cfg.c (set_bb_for_stmt): Use PHI_BB. 
* tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
	* tree-dfa.c (compute_immediate_uses, add_immediate_use,
	redirect_immediate_use): Use PHI_DF.
	* tree-flow-inline.h (stmt_ann): Abort on phi nodes.
	(bb_for_stmt): Use PHI_BB.
	(get_immediate_uses): Use PHI_DF.
	* tree-ssa-dse.c (max_stmt_uid): New variable.
	(get_stmt_uid): New function.
	(dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
	node annotations.
	* tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
	(max_uid): Renamed to max_stmt_uid.
	(get_stmt_uid): New function.
	(maybe_queue_var, single_reachable_address, determine_lsm): Do not use
	phi node annotations.
	* tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
	* tree.h (PHI_BB, PHI_DF): New accessor functions.
	(struct tree_phi_node): Add bb and df fields.

From-SVN: r87369
 2004-09-11 20:42:06 +00:00
Geoffrey Keating
375d2edc9f dbxout.c (dbxout_block): Update for current_function_func_begin_label a string. 
* dbxout.c (dbxout_block): Update for
	current_function_func_begin_label a string.
	* dwarf2out.c (dwarf2out_begin_prologue): Likewise.
	* except.c (dw2_output_call_site_table): Likewise.
	* toplev.c (current_function_func_begin_label): Likewise.
	* tree.h (current_function_func_begin_label): Likewise.
	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.

From-SVN: r87317
 2004-09-10 19:03:13 +00:00
Paolo Bonzini
9b3e897d2b cgraph.h (cgraph_dump_file): Do not declare. 
2004-09-10  Paolo Bonzini  <bonzini@gnu.org>

	* cgraph.h (cgraph_dump_file): Do not declare.
	* cgraphunit.c (cgraph_dump_file): Declare as static.
	(init_cgraph): New.
	* toplev.c (cgraph_dump_file): Do not declare.
	(compile_file): Call init_cgraph.
	* tree-dump.c (dump_files): Add IPA dump file, remove
	XML dump of call graph.
	(get_dump_file_name): Support IPA dump file naming scheme.
	* tree.h (enum tree_dump_index): Add IPA dump file, remove
	XML dump of call graph.
	* doc/invoke.texi (Debugging Options): Document the new options.

From-SVN: r87281
 2004-09-10 08:20:37 +00:00
Frank Ch. Eigler
c2433d7d16 builtins.c (build_va_arg_indirect_ref): New function. 
2004-09-09  Frank Ch. Eigler  <fche@redhat.com>

	* builtins.c (build_va_arg_indirect_ref): New function.
	(std_gimplify_va_arg_expr): Call it instead of mudflap check and
	build_fold_indirect_ref.
	* config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
	* tree.h: Declare new function.

From-SVN: r87242
 2004-09-09 16:33:25 +00:00
Nathan Sidwell
4c254e68ed vec.c (vec_p_reserve, [...]): Rename to ... 
* vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
	(vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
	(vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
	(vec_gc_free, vec_heap_free): New.
	* vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
	(DEF_VEC_P): Add allocator argument. Adjust.
	(DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
	(DEF_VEC_O): Add allocator argument. Adjust.
	(VEC(free)): New.

	* tree.h (tree): Define a GC'd vector.
	* lamba-code.c (lambda_loop): Likewise.
	* value-prof.h (histogram_value): Likewise.
	* cp/cp-tree.h (tree_pair_s): Likewise.
	* cp/name-lookup.h (cxx_saved_binding, cp_class_binding): Likewise.
	* cp/semantics.c (deferred_access): Likewise.

From-SVN: r87179
 2004-09-08 08:08:56 +00:00
Paolo Bonzini
9f8628bacd Unify the management of RTL and tree-level dump files. 
2004-09-06  Paolo Bonzini  <bonzini@gnu.org>

	Unify the management of RTL and tree-level dump files.

	* cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
	Don't print function name to the dump file, the pass manager
	would do this for us. Add code from the top of
	rest_of_compilation, up to the initial RTL dump.
	* passes.c (rest_of_handle_jump): Call fixup_tail_calls and
	close the DFI_sibling dump file.
	(rest_of_compilation): Don't do that here.  Remove code up to the
	initial RTL dump.
	(init_optimization_passes): Remove.
	(pass_rest_of_compilation): Change pass name to NULL.
	* toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
	Do not call init_optimization_passes.
	* toplev.h (init_optimization_passes): Remove.

	* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Remove SUFFIX parameter.
	* graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Likewise.

	* tree-pass.h (struct tree_opt_pass): Add `letter' field.
	* cfgexpand.c (pass_expand): Adjust.
	* gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
	* passes.c (pass_rest_of_compilation): Adjust.
	* predict.c (pass_profile): Adjust.
	* tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
	* tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
	pass_split_crit_edges, pass_warn_function_return): Adjust.
	* tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
	* tree-dfa.c (pass_referenced_vars): Adjust.
	* tree-eh.c (pass_lower_eh): Adjust.
	* tree-if-conv.c (pass_build_ssa): Adjust.
	* tree-into-ssa.c (pass_build_ssa): Adjust.
	* tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nrv.c (pass_nrv): Adjust.
	* tree-optimize.c (pass_gimple, pass_all_optimizations,
	pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
	pass_init_datastructures): Adjust.
	* tree-outof-ssa.c (pass_del_ssa): Adjust.
	* tree-profile.c (pass_tree_profile): Adjust.
	* tree-sra.c (pass_sra): Adjust.
	* tree-ssa-alias.c (pass_may_alias): Adjust.
	* tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
	* tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
	* tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
	* tree-ssa-dom.c (pass_dominator): Adjust.
	* tree-ssa-dse.c (pass_dse): Adjust.
	* tree-ssa-forwprop.c (pass_forwprop): Adjust.
	* tree-ssa-if-conv.c (pass_if_conversion): Adjust.
	* tree-ssa-loop-ch.c (pass_ch): Adjust.
	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
	pass_loop_done, pass_complete_unroll, pass_iv_canon,
	pass_iv_optimize, pass_vectorize): Adjust.
	* tree-ssa-phiopt.c (pass_phiopt): Adjust.
	* tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
	* tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
	pass_late_warn_uninnitialized): Adjust.
	* tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.

	* Makefile.in (tree-dump.o): Add new dependencies.
	* cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
	* cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
	Likewise.
	* toplev.c (dump_file_name): New.
	* tree-dump.c (dump_enable_all): Add LETTER parameter.
	(struct dump_file_info): Add NUM and LETTER fields.
	(dump_files): Adjust and add RTL dump files.
	(dump_register): Add NUM and LETTER fields.
	(get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
	(dump_begin): Use get_dump_file_name.
	(dump_switch_p_1): Adjust call to dump_enable_all.
	* tree-dump.h (dump_register): Adjust prototype.
	* tree-optimize.c (register_one_dump_file): Take dump file index.
	Support flags for RTL dumps.
	(register_dump_files): Fill in NUM field of struct dump_file_info.
	Track properties both when the gate is executed and when it is not.
	(execute_todo): Dump RTL.  Add PROPERTIES parameter.
	(execute_one_pass): Pass properties to execute_todo.  Handle VCG
	dumps of RTL.
	* tree-pass.h (dump_file_name): New.
	* tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
	New.

	* Makefile.in (passes.o): Add new dependencies.
	* passes.c (struct dump_file_info, enum dump_file_index,
	dump_file_tbl, init_optimization_passes): Remove.
	(open_dump_file, close_dump_file): Use tree-dumping infrastructure.
	(rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
	dump_enabled_p.
	(finish_optimization_passes): Update finish_graph_dump_file loop.
	(enable_rtl_dump_file): Remove.
	* tree-dump.c (dump_files): Adjust and add RTL dump files.
	(enable_rtl_dump_file): Add here.
	* tree.h (enum tree_dump_index): Add RTL dump file indices.
	* doc/invoke.texi (Debugging options): Document new RTL debugging
	options.  Update.

From-SVN: r87113
 2004-09-06 10:08:17 +00:00
Kazu Hirata
8c27b7d4d1 c-common.c, [...]: Fix comment formatting. 
* c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
	gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
	stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
	tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
	tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
	tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
	vec.h: Fix comment formatting.

From-SVN: r87105
 2004-09-05 16:05:06 +00:00
Zdenek Dvorak
8b11a64cd9 tree-ssa-loop-ivopts.c: New file. 
* tree-ssa-loop-ivopts.c: New file.
	* Makefile.in (tree-ssa-loop-ivopts.c): Add.
	* cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): Declare.
	* cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
	spill_cost): Renamed to ...
	(target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): ... and exported.
	(init_set_costs, global_cost_for_size): Work with renamed variables.
	* common.opt (flag_ivopts): New flag.
	* expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
	REF_ORIGINAL.
	* gimplify.c (struct gimplify_ctx): Add into_ssa field.
	(internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
	generating SSA form.
	(force_gimple_operand): New function.
	* timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
	* tree-cfg.c (stmt_bsi): New function.
	* params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
	PARAM_IV_MAX_CONSIDERED_USES): New.
	* tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
	bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
	ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
	* tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
	* tree-nested.c (build_addr): Export.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_iv_optimize.
	* tree-pass.h (pass_iv_optimize): Declare.
	* tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
	IMAGPART_EXPR.
	* tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
	as a phi node argument.
	(split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
	ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
	functions.
	* tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
	* tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
	pass_iv_optimize): New pass.
	* tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
	* tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
	* tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
	* tree.h (REF_ORIGINAL): New macro.
	(build_int_cst_type, unsigned_type_for, zero_p,
	cst_and_fits_in_hwi, build_addr): Declare.
	* doc/invoke.texi (-fivopts): Document.
	(PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
	PARAM_IV_MAX_CONSIDERED_USES): Document.
	* doc/passes.texi: Document induction variable optimizations pass.

	* gcc.dg/tree-ssa/loop-2.c: New test.
	* gcc.dg/tree-ssa/loop-3.c: New test.
	* gcc.dg/tree-ssa/loop-4.c: New test.
	* gcc.dg/tree-ssa/loop-5.c: New test.

From-SVN: r87100
 2004-09-05 09:25:37 +00:00
Jan Beulich
467cecf3b8 re PR c/7054 (#pragma pack handled incorrectly) 
PR c/7054
        * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
        * tree.h (initial_max_fld_align): Declare
        * stor-layout.c (initial_max_fld_align): Define and initialize.
        (maximum_field_alignment): Initialize to the same value.
        * common.opt: Add -fpack-struct= variant of switch.
        * opts.c: Handle -fpack-struct= variant of switch.
        * c-pragma.c: Change #pragma pack() handling so that it becomes
        compatible to other compilers: accept individual 'push' argument,
        make final pop restore (command line) default, correct interaction
        of push/pop and sole specification of a new alignment (so that the
        sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
        to #pragma pack(push, <n>).
        * doc/extend.texi: New node "Structure-Packing Pragmas" under
        "Pragmas", describing #pragma pack.
        * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
        * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
        Document new TARGET_DEFAULT_PACK_STRUCT.
testsuite:
        * gcc.dg/pack-test-2.c: Adjust to permit and check #pragma pack(push).
        * gcc.dg/c99-flex-array-4.c: Add -fpack-struct=8 to provide a
        deterministic starting point for the alignment of structure fields.
        * gcc.dg/Wpadded.c: Dito.
        * g++.dg/abi/vbase10.C: Dito.

From-SVN: r87037
 2004-09-03 10:22:40 -07:00
Richard Henderson
73022c2a43 Update TREE_NO_WARNING docs. 
From-SVN: r86937
 2004-09-01 15:24:27 -07:00
Joseph Myers
f7b0fb680c attribs.c (strip_attrs): Remove. 
* attribs.c (strip_attrs): Remove.
	(split_specs_attrs): Move ...
	* c-decl.c: ... to here.
	* tree.h (split_specs_attrs, strip_attrs): Remove.
	* c-tree.h (split_specs_attrs): Declare.

From-SVN: r86823
 2004-08-31 09:29:24 +01:00
Nathan Sidwell
fc6633e0cf tree.h (BINFO_PRIMARY_BASE_OF): Remove. 
* tree.h (BINFO_PRIMARY_BASE_OF): Remove.
	(struct tree_binfo): Remove primary field.
	* cp/cp-tree.h (BINFO_PRIMARY_P): Use a binfo flag.
	(BINFO_INDIRECT_PRIMARY_P): Remove.
	* cp/class.c (determine_primary_base): Rename to ...
	(determine_primary_bases): ... here.  Set all primary bases.
	(set_primary_base): Remove.
	(mark_primary_bases): Remove.
	(build_simple_base_path, walk_subobject_offsets,
	propagate_binfo_offsets, end_of_class): Adjust.
	(layout_class_type): Rename determine_primary_base call.
	(dump_class_hierarchy_r, dump_vtable): Adjust. Don't pass a binfo
	to type_as_string.
	(dfs_build_secondary_vptr_vtt_inits, dfs_accumulate_vtbl_inits,
	build_rtti_vtbl_entries): Adjust.
	* cp/init.c (build_vtbl_address): Adjust.

From-SVN: r86766
 2004-08-30 13:12:14 +00:00
Nathan Sidwell
ce552f75de tree.h (size_int_type): Remove. 
* tree.h (size_int_type): Remove.
	* fold-const.c: Do not #include gt-fold-const.h.
	(size_htab_hash, size_htab_eq): Remove.
	(size_int_kind): Use build_int_cst.
	(new_const, size_htab): Remove.
	(size_int_type): Remove.
	(round_up): Use build_int_cst.
	(round_down): Likewise. Remove spurious constant build.

	* ada/utils2.c (build_allocator): Use ssize_int.

	* cp/class.c (build_vtbl_initializer): Use ssize_int.
	* cp/decl.c (complete_array_type): Likewise.
	* cp/method.c (finish_thunk): Likewise.
	* cp/search.c (get_dynamic_base_type): Likewise.

From-SVN: r86667
 2004-08-27 16:45:20 +00:00
Richard Henderson
525c6bf5a6 tree.c (staticp): Return the static object. 
* tree.c (staticp): Return the static object.
        * tree.h (staticp): Update decl.
        * langhooks.h (struct lang_hooks): Change staticp return type to tree.
        * langhooks.c (lhd_staticp): Return NULL_TREE.
        * langhooks-def.h (lhd_staticp): Update decl.
        * c-common.c (c_staticp): Return the static object.
        * c-common.h (c_staticp): Update decl.

From-SVN: r86650
 2004-08-26 17:27:24 -07:00
Nathan Sidwell
7d60be94d6 tree.h (build_int_cst): New, sign extended constant. 
* tree.h  (build_int_cst): New, sign extended constant.
	(build_int_cstu): New, zero extended constant.
	(build_int_cst_wide): Renamed from build_int_cst.
	* tree.c (build_int_cst, build_int_cstu): New.
	(build_int_cst_wide): Renamed from build_int_cst.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Adjust build_int_cst calls.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_classify_type,
	fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
	fold_builtin_toascii, fold_builtin_isdigit,
	simplify_builtin_strstr, simplify_builtin_strpbrk,
	fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
	* c-common.c (start_fname_decls, fix_string_type, shorten_compare,
	DEF_ATTR_INT): Likewise.
	* c-decl.c (complete_array_type, check_bitfield_type_and_width):
	Likewise.
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	convert.c (convert_to_pointer): Likewise.
	coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_fn_info_value, build_ctr_info_value,
	build_gcov_info): Likewise.
	* except.c (init_eh, assign_filter_values): Likewise.
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const, round_up,
	round_down): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_case, estimate_case_costs):
	Likewise.
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
	Likewise.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv,
	canonicalize_loop_induction_variables): Likewise.
	* tree-vectorizer.c (vect_create_index_for_array_ref,
	vect_transform_loop_bound, vect_compute_data_ref_alignment):
	Likewise.

	* config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
	alpha_gimplify_va_arg_1): Likewise.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	Likewise.
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_next_objc_exception_stuff,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Likewise.

2004-04-25  Paolo Bonzini  <bonzini@gnu.org>

	* cfglayout.c (duplicate_insn_chain): Remove references to
	NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
	* cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
	* cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
	* final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
	and NOTE_INSN_LOOP_CONT.
	* insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
	* jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
	and NOTE_INSN_LOOP_CONT.
	* loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
	check_dbra_loop, loop_dump_aux): Remove references to removed notes
	and fields.
	* reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
	* unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
	references to removed notes and fields.
	(subtract_reg_term, ujump_to_loop_cont): Remove.

From-SVN: r86544
 2004-08-25 09:52:54 +00:00
Zdenek Dvorak
82b85a85c8 tree-ssa-loop-ivcanon.c: New file. 
* tree-ssa-loop-ivcanon.c: New file.
	* tree-ssa-loop-manip.c (create_iv): New function.
	* Makefile.in (tree-ssa-loop-ivcanon.o): Add.
	(tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
	* cfgloop.c (mark_single_exit_loops): New function.
	(verify_loop_structure): Verify single-exit loops.
	* cfgloop.h (struct loop): Add single_exit field.
	(LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
	(mark_single_exit_loops): Declare.
	(tree_num_loop_insns): Declare.
	* cfgloopmanip.c (update_single_exits_after_duplication): New function.
	(duplicate_loop_to_header_edge): Use it.
	* common.opt (fivcanon): New flag.
	* timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
	* tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
	(bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
	(bsi_insert_on_edge_immediate): New function.
	* tree-flow.h (bsi_insert_on_edge_immediate,
	canonicalize_induction_variables, tree_unroll_loops_completely,
	create_iv): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_iv_canon and pass_complete_unroll.
	* tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
	* tree-scalar-evolution.c (get_loop_exit_condition,
	get_exit_conditions_rec, number_of_iterations_in_loop,
	scev_initialize): Use single_exit information.
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Record
	missing assumptions.
	(loop_niter_by_eval):  Return number of iterations as unsigned
	int.
	* tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
	(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
	tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
	New passes.
	(tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
	* tree-ssanames.c (make_ssa_name): Allow creating ssa name before
	the defining statement is ready.
	* tree-vectorizer.c (vect_create_iv_simple): Removed.
	(vect_create_index_for_array_ref, vect_transform_loop_bound):
	Use create_iv.
	(vect_transform_loop_bound): Use single_exit information.
	(vect_analyze_loop_form): Cleanup bogus tests.
	(vectorize_loops): Do not call flow_loop_scan.
	* tree.h (may_negate_without_overflow_p): Declare.
	* fold-const.c (may_negate_without_overflow_p): Split out from ...
	(negate_expr_p): ... this function.
	(tree_expr_nonzero_p): Handle overflowed constants correctly.
	* doc/invoke.texi (-fivcanon): Document.
	* doc/passes.texi: Document canonical induction variable creation.

	* gcc.dg/tree-ssa/loop-1.c: New test.

From-SVN: r86516
 2004-08-24 20:48:23 +00:00
Nathan Sidwell
8c1d6d62a6 c-decl.c (c_init_decl_processing): Adjust build_common_tree_nodes call. 
* c-decl.c (c_init_decl_processing): Adjust
	build_common_tree_nodes call.
	* expmed.c (const_mult_add_overflow_p): Use
	build_distinct_type_copy.
	* stor-layout.c (early_type_list): Remove.
	(layout_type): Don't append to early_type_list.
	(initialize_sizetypes): Add signed_p argument.
	(set_sizetype): Overwrite the stub type nodes directly.
	* tree.c (copy_node_stat): Clear a type's value cache here ...
	(build_distinct_type): ... not here.
	(build_common_tree_nodes): Add signed_sizetype argument. Adjust.
	* tree.h (initialize_sizetypes): Add signed_p argument.
	(build_common_tree_nodes): Likewise.

	* ada/utils.c (gnat_init_decl_processing): Adjust
	build_common_tree_nodes call.

	* cp/decl.c (cxx_init_decl_processing): Adjust
	build_common_tree_nodes call.

	* fortran/f95-lang.c (gfc_init_decl_processing): Adjust
	build_common_tree_nodes call.

	* java/decl.c (java_init_decl_processing): Adjust
	initialize_sizetypes call.

	* objc/objc-act.c (get_static_reference): Use
	build_variant_type_copy.
	(get_protocol_reference): Likewise.
	* objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.

	* treelang/treetree.c (treelang_init_decl_processing): Adjust
	build_common_tree_nodes call.

From-SVN: r86493
 2004-08-24 16:39:43 +00:00
Nathan Sidwell
b3d1f5b404 Makefile.in (BUILD_ERRORS): Set to build-errors. 
* Makefile.in (BUILD_ERRORS): Set to build-errors.
	(errors.o): New target for host.
	(build-errors.o): New target for build.
	(genobjs): Replace errors.o with build-errors.
	(gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
	(GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
	(fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
	(fix-header.o): Add errors.h
	* collect2.c (fancy_abort): Add parameters.
	* collect2.h (fancy_abort): Don't declare.
	* errors.h (fancy_abort): Don't declare.
	* errors.c: Include either bconfig.h or config.h.
	(fancy_abort): Trim filename.
	* fix-header.c (v_fatal, fatal): Remove.
	(progname): Remove definition.
	(main): Set progname here.
	* gcc.c (fancy_abort): Add parameters.
	* gcc.h (fancy_abort): Remove declaration.
	* gcov.c (fancy_abort): Remove.
	* rtl.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* tree.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* system.h (fancy_abort): Declare.
	(abort): Define to fancy_abort.
	* fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
	* java/jv-scan.c (fancy_abort): Add.

From-SVN: r86424
 2004-08-23 11:57:02 +00:00
Nathan Sidwell
be88a6281e tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE. 
* tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
	(usize_type, ubitsizetype): Remove.
	* stor-layout.c (set_sizetype): Don't initialize usizetype,
	ubitsizetype.
	* fold-const.c (size_diffop): TYPE can never be ubitsizetype.

From-SVN: r86422
 2004-08-23 08:47:08 +00:00
Nathan Sidwell
8dd16ecc7d tree.h (build_distinct_type_copy): New. 
* tree.h (build_distinct_type_copy): New.
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.
	* tree.c (build_qualified_type): Rename build_type_copy call.
	(build_distinct_type_copy): New, broken out of ...
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.  Use
	build_distinct_type_copy.
	(build_common_tree_nodes_2): Rename build_type_copy call.
	* c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
	call.
	(handle_packed_attribute, handle_unused_attribute,
	handle_transparanet_union_attribute, handle_aligned_attribute,
	handle_deprecated_attribute): Likewise.
	* c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
	Likewise.
	* config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Use
	build_distinct_type_copy.

	* cp/name-lookup.c (pushdecl): Rename build_type_copy call.
	* cp/tree.c (cp_build_qualified_type_real,
	build_exception_variant, handle_java_interface_attribute): Likewise.

From-SVN: r86421
 2004-08-23 08:41:57 +00:00
Richard Henderson
7f5e63076a tree.h (SAVE_EXPR_RESOLVED_P): New. 
* tree.h (SAVE_EXPR_RESOLVED_P): New.
        * gimplify.c (gimplify_save_expr): Use it.
        * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
        on the temporary variable.

From-SVN: r86387
 2004-08-22 14:58:48 -07:00
Andrew Pinski
efd610a684 fold-const.c (rtl_expr_nonnegative_p): Delete. 
2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (rtl_expr_nonnegative_p): Delete.
        * tree.h (rtl_expr_nonnegative_p): Remove.

From-SVN: r86381
 2004-08-22 10:29:51 -07:00
Eric Christopher
19114537c5 langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove. 
2004-08-19  Eric Christopher  <echristo@redhat.com>

	* langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
	* langhooks.h (unsave_expr_now): Ditto.
	* tree.h (unsave_expr_1): Remove prototype.
	(lhd_unsave_expr_now): Rename to unsave_expr_now.
	* tree-inline.c (unsave_expr_1): Move here
	from tree.c. Make static.
	(unsave_expr_now): Rename from lhd_unsave_expr_now.
	* tree-sra.c: Fix up for rename.
	* tree-ssa-copy.c: Ditto.
	* tree-eh.c: Ditto.
	* tree.c (unsave_expr_1): Move to tree-inline.c.

2004-08-19  Eric Christopher  <echristo@redhat.com>

	* cp-tree.h (cxx_unsave_expr_now): Delete prototype.
	* tree.c (cxx_unsave_expr_now): Delete.
	(cp_unsave_r): Ditto.

From-SVN: r86277
 2004-08-19 21:34:37 +00:00
Nathan Sidwell
89b0433e3a tree.h (TYPE_CACHED_VALUES_P): New. 
* tree.h (TYPE_CACHED_VALUES_P): New.
	(TYPE_CACHED_VALUES): New.
	(TYPE_ORIG_SIZE_TYPE): Adjust.
	* tree.def (INTEGER_CST): Update documentation.
	* tree.c: Inlcude params.h.
	(build_int_cst): Cache small values.
	(build_type_copy): Do not copy the value cache.
	* c-common.c (c_common_nodes_and_builtins): Add comment, remove
	unneeded zeroing.
	* c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
	* expmed.c (const_mult_add_overflow_p): Clear type copy's value
	cache.
	* fold-const.c (force_fit_type): Copy value when setting
	overflows.
	(int_const_binop): Likewise.
	* stor-layout.c: Include params.h
	(set_sizetype): Create values cache.
	(fixup_unsigned_type): Set UNSIGNED_P before caching any values.
	* params.def (PARAM_INTEGER_SHARE_LIMIT): New.
	* params.h (INTEGER_SHARE_LIMIT): New.
	* Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.

	* cp/decl.c (finish_enum): Do not copy value node early, copy
	later.
	* cp/lex.c (cxx_init): Force null_node to be unique.

	* java/parse.h (JAVA_RADIX10_FLAG): Rename to ...
	(JAVA_NOT_RADIX10_FLAG): ... here.  Invert meaning.
	* java/lex.c (do_java_lex): Adjust.
	(error_if_numeric_overflow): Likewise.

From-SVN: r86247
 2004-08-19 10:36:07 +00:00
Richard Henderson
4766261de9 alias.c (readonly_fields_p): Remove. 
* alias.c (readonly_fields_p): Remove.
        (objects_must_conflict_p): Don't call it.
        * tree.h (readonly_fields_p): Remove.
        * langhooks.h (struct lang_hooks): Remove honor_readonly.
        * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
ada/
        * misc.c (LANG_HOOKS_HONOR_READONLY): Remove.

From-SVN: r86200
 2004-08-18 11:32:04 -07:00
Richard Henderson
389fdba06a rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P. 
* rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
	* alias.c (true_dependence): Update to match new semantics.
	(canon_true_dependence, write_dependence_p): Likewise.
	(anti_dependence, output_dependence): Update write_dependence_p args.
	(unchanging_anti_dependence): Remove.
	* calls.c (purge_mem_unchanging_flag): Remove.
	(fixup_tail_calls): Don't call it.
	(expand_call): Don't add unchanging memory to function usage.
	* expr.c (emit_block_move_via_libcall): Likewise.
	(clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
	(get_subtarget): Don't use RTX_UNCHANGING_P.
	(expand_assignment, store_constructor, expand_expr_real_1): Likewise.
	(do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
	* combine.c (get_last_value_validate): Use MEM_READONLY_P.
	* cse.c (insert): Don't use RTX_UNCHANGING_P.
	(cse_insn, canon_hash): Use MEM_READONLY_P.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
	instead of RTX_UNCHANGING_P.
	* explow.c (maybe_set_unchanging): Remove.
	* expr.h (maybe_set_unchanging): Remove.
	* flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
	* function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
	(assign_parm_setup_reg, expand_function_start): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* ra-rewrite.c (emit_colors): Likewise.
	* regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
	(fixup_match_1): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
	not RTX_UNCHANGING_P.
	(equiv_init_varies_p): Likewise.
	* loop-invariant.c (check_maybe_invariant): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources): Likewise.
	* loop.c (note_addr_stored): Likewise.
	(prescan_loop): Likewise. Don't check function usage for clobbered
	unchanging memory.
	* rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
        not RTX_UNCHANGING_P.
	(rtx_varies_p, modified_between_p, modified_in_p): Likewise.
	* varasm.c (force_const_mem): Likewise.
	* stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
	* web.c (entry_register): Likewise.
	* tree-gimple.h (get_base_address): Move decl ...
	* tree.h: ... here.
	* doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

	* config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
	called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
	(alpha_set_memflags): Update to match.

	* config/darwin.c (machopic_indirect_data_reference): Set
	MEM_READONLY_P instead of RTX_UNCHANGING_P.
	(machopic_indirect_call_target): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
	arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
	* config/arm/arm.md (load_multiple, store_multiple): Likewise.
	* config/frv/frv.md (symGOT2reg): Likewise.
	* config/i386/i386.c (legitimize_pic_address,
	legitimize_tls_address, ix86_split_to_parts): Likewise.
	* config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
	* config/ia64/ia64.md (load_fptr): Likewise.
	* config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
	* config/m68k/m68k.c (legitimize_pic_address): Likewise.
	* config/mcore/mcore.c (block_move_sequence): Likewise.
	* config/mn10300/mn10300.md (symGOT2reg): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
	(rs6000_emit_move): Likewise.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/s390/s390.md (casesi): Likewise.
	* config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
	* config/sh/sh.md (symGOT2reg): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): Likewise.
	* config/v850/v850.md (casesi): Likewise.

	* config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
	* config/iq2000/iq2000.c (save_restore_insns): Likewise.
	* config/mips/mips.c (mips_restore_gp): Likewise.
	(mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.

From-SVN: r86178
 2004-08-18 01:25:01 -07:00
Richard Henderson
17ad5b5ec2 tree.h (struct tree_decl): Add gimple_formal_temp. 
* tree.h (struct tree_decl): Add gimple_formal_temp.
        (DECL_GIMPLE_FORMAL_TEMP_P): New.
        * gimplify.c (pop_gimplify_context): Clear it.
        (lookup_tmp_var): Set it, if is_formal.
        (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
        Use is_gimple_val for VECTOR.  Simplify return value.
        (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
        (gimplify_expr): Likewise.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
        is_gimple_tmp_rhs for clarity.  Update all callers.
        (is_gimple_reg_rhs): Simplify logic.
        (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
        clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
        (is_gimple_formal_tmp_reg): Similarly.
        * tree-gimple.h: Update decls.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
        DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
        * tree-ssa-live.c (var_union, type_var_init): Likewise.
java/
        * java-gimplify.c (java_gimplify_expr): Move '2' handling into
        default case.  Treat '<' similarly.  Update for
        is_gimple_formal_tmp_var name change.
testsuite/
        * gcc.dg/20040206-1.c: XFAIL.

From-SVN: r86176
 2004-08-18 00:46:33 -07:00
James E Wilson
d97c633306 Make unsafe vector float optimizations dependent on -ffast-math. 
* tree.h (VECTOR_FLOAT_TYPE_P): New.
	(FLOAT_TYPE_P): Use it.
	* c-typeck.c (build_binary_op): After convert calls, check for
	check for ERROR_MARK operands.

From-SVN: r86088
 2004-08-16 17:00:50 -07:00
Devang Patel
8e3e233be0 c-common.c (handle_used_attribute): Set DECL_PRESERVE_P. 
* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
        * print-tree.c (print_node): Print DECL_PRESERVE_P.
        * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
        (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
        * target.h (struct gcc_target): New member, mark_decl_preserved.
        * hooks.c (hook_void_charptr): Rename to ...
        (hook_void_constcharptr): ... new name.
        * hooks.h (hook_void_charptr): Rename to ..
        (hook_void_constcharptr): ... new name.
        * tree.h (DECL_PRESERVE_P): New #define.
        (struct tree_decl): New member, preserve_flag.
        * varasm.c (assemble_start_function): Mark decl preserved.
        (assemble_variable): Same.
        * darwin.c (darwin_mark_decl_preserved): New function.
        * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
        * darwin-protos.h (darwin_mark_decl_preserved): New decl.
        * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

        testsuite:
        * gcc.dg/darwin-20040809-1.c: New test.

From-SVN: r86076
 2004-08-16 13:54:43 -07:00
Nathan Sidwell
092313ae6b c-typeck.c (build_c_cast): Only copy overflow from expr nodes. 
* c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
	* tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
	(struct tree_common): Update public_flag documentation.

From-SVN: r86065
 2004-08-16 16:44:29 +00:00
Nathan Sidwell
4a90aeeb51 tree.h (build_int_cst): New. 
.:	* tree.h (build_int_cst): New.
	(build_int_2): Remove.
	* tree.c (build_int_2): Remove.
	(build_int_cst): New.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Use build_int_cst.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
	fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
	fold_builtin_isdigit, simplify_builtin_strstr,
	simplify_builtin_strpbrk, fold_builtin_fputs,
	simplify_builtin_sprintf): Use build_int_cst.
	* c-common.c (start_fname_decls, fix_string_type,
	c_common_nodes_and_builtins, c_init_attributes,
	shorten_compare): Likewise.
	* c-decl.c (complete_array_type,
	check_bitfield_type_and_width): Likewise.
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	* convert.c (convert_to_pointer): Likewise.
	* coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_ctr_info_value, build_gcov_info):
	Likewise.
	* except.c (init_eh, assign_filter_values, assign_filter_values):
	Likewise.
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	* fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_end_case_type,
	estimate_case_costs): Likewise.
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
	Likewise.

	* config/alpha/alpha.c (alpha_initialize_trampoline,
	alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/i860/i860.c (i860_va_start): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	Likewise.
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_next_objc_exception_stuff,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Use build_int_cst.
ada:
	* cuintp.c (UI_To_gnu): Use build_int_cst..
	* trans.c (Exception_Handler_to_gnu_sjlj, gnat_to_gnu): Likewise.
	* utils.c (init_gigi_decls): Likewise.
	* utils2.c (build_call_raise): Likewise.
cp:
	* call.c (convert_class_to_reference,
	build_user_type_conversion_1, convert_like_real,
	build_java_interface_fn_ref, build_special_member_call): Use
	build_int_cst.
	* class.c (build_vtbl_initializer): Likewise.
	* cp-gimplify.c (cp_gimplify_expr): Likewise.
	* cvt.c (cp_convert_to_pointer): Likewise.
	* decl.c (cxx_init_decl_processing, complete_array_type): Likewise.
	* decl2.c (start_static_initialization_or_destruction,
	generate_ctor_or_dtor_function): Likewise.
	* except.c (build_throw): Likewise.
	* lex.c (cxx_init): Likewise.
	* mangle.c (write_integer_cst): Likewise.
	* rtti.c (build_headof, get_tinfo_decl_dynamic,
	build_dynamic_cast_1, ptr_initializer, ptm_initializer,
	get_pseudo_ti_init): Likewise.
	* search.c (get_dynamic_cast_base_type): Likewise.
	* tree.c (build_shared_int_cst): Likewise.
fortran:
	* trans-array.c (gfc_trans_array_constructor_value): Use
	build_int_cst.
	* trans-const.c (gfc_build_string_const,
	gfc_init_constants, gfc_conv_mpz_to_tree,
	gfc_conv_constant_to_tree): Likewise.
	* trans-decl.c (gfc_get_symbol_decl): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_ibits,
	gfc_conv_intrinsic_len, prepare_arg_info): Likewise.
	* trans-io.c (add_case, set_error_locus, build_dt,
	transfer_expr): Likewise.
	* trans-stmt.c (gfc_trans_label_assign, gfc_trans_pause,
	gfc_trans_stop, gfc_trans_character_select): Likewise.
	* trans-types.c (gfc_init_types, gfc_get_dtype): Likewise.
	* trans.c (gfc_trans_runtime_check): Likewise.
java:
	* boehm.c (get_boehm_type_descriptor): Use build_int_cst.
	* class.c (build_utf8_ref, build_static_field_ref,
	make_field_value, make_method_value, get_dispatch_table,
	make_class_data, emit_symbol_table, emit_catch_table): Likewise.
	* constants.c (get_tag_node,  build_ref_from_constant_pool,
	build_constants_constructor): Likewise.
	* decl.c (java_init_decl_processing): Likewise.
	* expr.c (build_java_array_length_access, build_newarray,
	expand_java_multianewarray, expand_java_pushc, expand_iinc,
	build_java_binop, build_field_ref, expand_java_add_case,
	expand_java_call, build_known_method_ref, build_invokevirtual,
	build_invokeinterface, build_jni_stub): Likewise.
	* java-gimplify.c (java_gimplify_new_array_init): Likewise.
	* jcf-parse.c (get_constant): Likewise.
	* lex.c (do_java_lex): Likewise.
	* parse.y (patch_binop, patch_unaryop, patch_cast,
	build_null_of_type, patch_newarray): Likewise.
	* resource.c (compile_resource_data): Likewise.
	* typeck.c (build_prim_array_type): Likewise.

From-SVN: r86022
 2004-08-15 15:45:33 +00:00
Diego Novillo
c597ef4eab re PR tree-optimization/16867 (Inline array initializer miscompilation at -O) 
PR tree-optimization/16867
	* tree.c (is_global_var): New function.
	(needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
	Call is_global_var.
	* tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
	Update all users.
	(is_global_var): Declare.
	* tree-dfa.c (dump_variable): Display global and addressable
	attributes.
	(add_referenced_var): Clarify documentation when marking
	variables call-clobbered.
	* tree-flow-inline.h (is_call_clobbered): Call is_global_var
	instead of needs_to_live_in_memory.
	(mark_call_clobbered): If the variable is a tag, mark it
	DECL_EXTERNAL.
	* tree-gimple.c (is_gimple_reg): Don't check for
	TREE_ADDRESSABLE.
	(is_gimple_non_addressable): Likewise.
	* tree-ssa-alias.c (get_nmt_for): Always check whether the tag
	needs to be marked call-clobbered.
	(setup_pointers_and_addressables): Call is_global_var instead
	of needs_to_live_in_memory.
	* tree-ssa-dce.c (need_to_preserve_store): Remove.
	Update all users with is_global_var.
	(mark_stmt_if_obviously_necessary): Fix processing of aliased
	stores.  Don't check the virtual definitions.  Rather, check
	whether the store is going into global memory.
	(find_obviously_necessary_stmts): Get the symbol from the PHI
	result.
	* tree-ssa-operands.c (get_call_expr_operands): Do not add
	clobbering may-defs if the call does not have side effects.


libjava/ChangeLog

	PR tree-optimization/16867
	* testsuite/libjava.lang/PR16867.java: New test.

From-SVN: r85874
 2004-08-12 10:34:11 -04:00
Richard Henderson
1a186ec558 builtins.def (BUILT_IN_STACK_ALLOC): Remove. 
* builtins.def (BUILT_IN_STACK_ALLOC): Remove.
        * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
        * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
        (add_location_or_const_value_attribute): ... not here.  Use
        loc_descriptor_from_tree if possible.
        (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
        Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
        values specially.
        (loc_descriptor_from_tree): New.  Update callers.
        * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
        * gimplify.c (gimplify_decl_expr): Lower variable sized types to
        pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
        (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
        and BUILT_IN_STACK_RESTORE.
        (gimplify_expr): Lower DECL_VALUE_EXPR decls.
        * stmt.c (expand_stack_alloc): Remove.
        * tree-mudflap.c (mx_register_decls): Don't look for
        BUILT_IN_STACK_ALLOC.
        * tree-nested.c (convert_local_reference): Likewise.
        * tree.h (DECL_VALUE_EXPR): New.
ada/
        * utils.c (gnat_install_builtins): Remove __builtin_stack_alloc,
        add __builtin_alloca.
fortran/
        * f95-lang.c (gfc_init_builtin_functions): Remove
         __builtin_stack_alloc, add __builtin_alloca.
        * trans-array.c (gfc_trans_auto_array_allocation): Use DECL_EXPR.
        * trans-decl.c (gfc_trans_auto_character_variable): Likewise.

From-SVN: r85794
 2004-08-10 21:16:07 -07:00
Jeff Law
56b043c808 Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c 
* Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
        (tree-ssa-threadupdate.o): Add dependencies.
        * tree-ssa-threadupdate.c: New file.
        * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
        (rewrite_vars_out_of_ssa): Remove prototype.
        (cleanup_tree_cfg): Returns a bool.
        * tree.h (thread_through_all_blocks): Prototype.
        * tree-outof-ssa.c  (SSANORM_*): Move into here.
        (remove_ssa_form): Now static.
        (rewrite_vars_out_of_ssa): Kill.
        * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
        * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
        (remove_ssa_form, register_partitions_for_vars): Kill declarations.
        * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
        anything was changed.
        * tree-phinodes.c (add_phi_arg): Get the block for the PHI
        from the PHI's annotation rather than the edge associated with
        the new argument.
        * tree-ssa-dom.c (redirection_edges): Kill.
        (redirect_edges_and_update_ssa_graph): Kill.
        (tree_ssa_dominator_optimize): Do not reset forwardable flag
        for blocks anymore.  Do not initialize redirection_edges.
        Call thread_through_all_blocks.  Simplify code for cleanup
        of the CFG and iterating.  No longer call cleanup_tree_cfg
        outside the iteration loop.
        (thread_across_edge): No longer mess with forwardable blocks.

From-SVN: r85721
 2004-08-09 13:13:07 -06:00
Paolo Bonzini
7efcb746da Makefile.in (GTFILES): Remove stmt.c 
2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (GTFILES): Remove stmt.c
	(stmt.o): Do not depend on gt-stmt.h.
	* emit-rtl.c (emit_line_note): Do not call
	set_file_and_line_for_stmt.
	* expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
	do everything.
	* function.c (free_after_parsing): Do not free STMT field.
	(allocate_struct_function): Do not call init_stmt_for_function.
	(assign_stack_temp_for_type): Do not accept values of keep
	other than 0 or 1.
	(init_temp_slots): Do not initialize removed variables.
	* function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
	and X_VAR_TEMP_SLOT_LEVEL fields.
	* rtl.h (set_file_and_line_for_stmt): Remove.
	* stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
	struct stmt_status, cond_stack, case_stack, nesting_stack,
	nesting_depth, emit_locus, set_file_and_line_for_stmt,
	same_case_target_p, init_stmt_for_function, emit_nop,
	expand_start_cond, expand_start_elseif, expand_start_else,
	expand_elseif, expand_end_cond): Remove.
	(preserve_subexpressions_p): Remove references to CFUN->STMT.
	(expand_start_case, expand_end_case_type): Remove, merge into...
	(expand_case): ... this one, including other bits from
	expand_expr_real_1.  Inline same_case_target_p.  Turn members
	of CASE_STACK into local variables.
	(emit_case_bit_tests): Inline same_case_target_p.
	(add_case_node): Add HEAD argument, return new head of the list,
	do not handle default label here.
	* tree.h (expand_start_cond, expand_end_cond, expand_start_else,
	expand_start_elseif, current_nesting_level, expand_start_case,
	expand_end_case_type, expand_end_case, add_case_node,
	init_stmt_for_function, expand_elseif): Remove prototypes.
	(expand_case): Add prototype.

From-SVN: r85712
 2004-08-09 07:14:17 +00:00