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81 Commits

Author SHA1 Message Date
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
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
Kazu Hirata
b01d837fa2 basic-block.h, [...]: Fix comment typos. 
* basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
	gimplify.c, lambda-code.c, optabs.c, predict.c,
	tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
	tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
	conventions.

From-SVN: r87637
 2004-09-17 09:14:12 +00:00
Richard Henderson
67f2362044 re PR middle-end/17397 (gimplify ICE) 
PR middle-end/17397
	* gimplify.c (gimplify_addr_expr): Don't inadvertently change types
	while folding <ADDR_EXPR <INDIRECT_REF X>>.

From-SVN: r87528
 2004-09-14 19:09:05 -07:00
Geoffrey Keating
769da81848 gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless temporary variables. 
* gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
	temporary variables.

From-SVN: r87335
 2004-09-11 00:25:00 +00:00
Nathan Sidwell
282899df0f gcse.c (INSN_CUID, [...]): Use gcc_assert and gcc_unreachable. 
* gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
	cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
	process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
	hoist_code, extract_mentioned_regs_helper, compute_store_table,
	insert_store): Use gcc_assert and gcc_unreachable.
	* ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
	gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
	ggc_record_overhead): Likewise.
	* ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
	init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
	ggc_pop_context, clear_marks, validate_free_objects,
	ggc_pch_read): Likewise.
	* ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
	ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
	ggc_push_context, check_cookies, ggc_collect,
	ggc_print_statistics): Likewise.
	* gimple-low.c (lower_function_body, lower_stmt,
	lower_bind_expr): Likewise.
	* gimplify.c (gimple_tree_eq, push_gimplify_context,
	pop_gimplify_context, gimple_pop_condition, create_tmp_var,
	declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
	mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
	gimplify_case_label_expr, gimplify_exit_block_expr,
	canonicalize_component_ref, gimplify_compound_lval,
	gimplify_self_mod_expr, gimplify_call_expr,
	gimplify_init_ctor_eval, gimplify_init_constructor,
	gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
	gimplify_expr, check_pointer_types_r,
	force_gimple_operand): Likewise.
	* global.c (global_alloc, build_insn_chain): Likewise.
	* graph.c (clean_graph_dump_file,
	finish_graph_dump_file): Likewise.
	gcov-io.c (gcov_open): Use GCOV_CHECK.

From-SVN: r87240
 2004-09-09 13:54:07 +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
Kazu Hirata
2a7e31df70 c-common.c, [...]: Fix comment typos. 
* c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
	et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
	hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
	tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
	tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
	tree-ssa-loop-niter.c, tree-ssa-operands.c,
	tree-ssa-operands.h, tree-ssa-propagate.c,
	tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
	vec.c, vec.h: Fix comment typos.  Follow spelling conventions.

From-SVN: r87104
 2004-09-05 15:24:15 +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
Richard Kenner
875803a092 * gimplify.c (internal_get_tmp_var): Remove unused var CLASS. 
From-SVN: r87088
 2004-09-04 14:24:15 -04:00
Jan Hubicka
0772402279 gimplify.c (gimplify_compound_lval): Move "stack" varray out of GGC. 
* gimplify.c (gimplify_compound_lval): Move "stack" varray out of
	GGC.

	* ggc-page.c: include tree-flow.h.
	(extra_order_size_table): Add stmt_ann_d.
	(STAT_LABEL): Rename from ....
	(LABEL): ... this one.
	* Makefile.in (ggc-page.o): Add dependency.

	* ggc-common.c (ggc_force_collect): New global variable.
	(loc_description): Add fields "freed", "collected"
	(ptr_hash): New static hash
	(ptr_hash_entry): New structure.
	(hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
	(ggc_record_overhead): Take ptr argument, record it
	(ggc_prune_overhead_list, ggc_free_overhead): New functions.
	(cmp_statistics): Imrove sorting.
	(dump_ggc_loc_statistics): Output newly collected statistics
	* ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
	(ggc_free): Call ggc_free_overhead.
	(ggc_collect): Force collection when asked to be forced.
	(ggc_collect): Call ggc_prune_overhead_list.
	* ggc.h (ggc_force_collect): Declare
	(ggc_record_overhead): Update prototype.
	(ggc_free_overhead, ggc_prune_overhead_list): Declare.

From-SVN: r86974
 2004-09-02 18:32:49 +00:00
Richard Kenner
a4e9ffe591 c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT. 
* c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
	(c_sizeof_of_alignof_type): Likewise.
	* expr.c (array_ref_element_size): Likewise.
	(highest_pow2_factor_for_target): Likewise.
	* gimplify.c (canonicalize_addr_expr): Likewise.
	(gimplify_compound_lval): Likewise.
	* stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
	* varasm.c (assemble_variable): Likewise.
	(output_constant_def_contents): Alignments are unsigned.

From-SVN: r86848
 2004-08-31 18:46:31 -04:00
Jason Merrill
40aac94801 re PR c++/13684 (local static object variable constructed once but ctors and dtors called multiple times on same memory when called in multiple threads) 
PR c++/13684
        * cp/decl.c (expand_static_init): Use thread-safety API.
        (register_dtor_fn): Return the call, don't expand it.
        * cp/tree.c (add_stmt_to_compound): New fn.
        (stabilize_call): Use it.
        * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
        (gimple_push_cleanup): Add eh_only parm.
        (gimplify_target_expr): Pass it.
        * c.opt (-fno-threadsafe-statics): New option.
        * c-opts.c (c_common_handle_option): Handle it.
        * c-common.h (flag_threadsafe_statics): Declare it.
        * c-common.c (flag_threadsafe_statics): Record it.
        * doc/invoke.texi: Document it.
        * tsystem.h (_GNU_SOURCE): Define.
        * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
        (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
        (__gthread_recursive_mutex_init_function): New fn.
        (__gthread_recursive_mutex_lock): New fn.
        (__gthread_recursive_mutex_trylock): New fn.
        (__gthread_recursive_mutex_unlock): New fn.
        * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
        * gthr-win32.h, gthr-vxworks.h: Likewise.
        * gthr.h: Document.

        * libsupc++/guard.cc (static_mutex): Internal class implementing a
        recursive mutex which controls initialization of local statics.
        (__gnu_cxx::recursive_init): New exception class.
        (__cxa_guard_acquire): Deal with locking and recursion detection.
        (acquire_1, __cxa_guard_abort, __cxa_guard_release): Likewise.

From-SVN: r86687
 2004-08-27 22:33:54 -04:00
Geoffrey Keating
bbbb79d42a gimplify.c (lookup_tmp_var): Separate temporaries when not optimizing. 
* gimplify.c (lookup_tmp_var): Separate temporaries when not
	optimizing.

From-SVN: r86563
 2004-08-25 18:11:12 +00:00
Richard Henderson
97dc04b39a gimplify.c (gimplify_array_ref_to_plus): Delete. 
2004-08-24  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <apinski@apple.com>

        * gimplify.c (gimplify_array_ref_to_plus): Delete.
        (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
        for ARRAY_REF.

        * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
        ARRAY_REF also to get to the STRING_CST.

Co-Authored-By: Andrew Pinski <apinski@apple.com>

From-SVN: r86487
 2004-08-24 08:46:38 -07:00
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
Paolo Bonzini
c2504783d9 gimplify.c (gimplify_minimax_expr): Remove. 
2004-08-19  Paolo Bonzini  <bonzini@gnu.org>

	* gimplify.c (gimplify_minimax_expr): Remove.
	(gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.

From-SVN: r86245
 2004-08-19 09:58:57 +00:00
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
Richard Henderson
57d1dd8704 gimplify.c (struct gimplify_init_ctor_preeval_data): New. 
* gimplify.c (struct gimplify_init_ctor_preeval_data): New.
        (gimplify_init_ctor_preeval_1): New.
        (gimplify_init_ctor_preeval): New.
        (gimplify_init_ctor_eval): New.
        (gimplify_init_constructor): Use them.  Always gimplify the LHS
        object first.

From-SVN: r85845
 2004-08-11 20:54:11 -07:00
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
Jason Merrill
9ee7a5c06a revert: gimplify.c (gimplify_call_expr): Make return in memory explicit. 
Revert:
        * gimplify.c (gimplify_call_expr): Make return in memory explicit.
        (gimplify_modify_expr_rhs): Likewise.

From-SVN: r85676
 2004-08-07 16:47:48 -04:00
Jason Merrill
cc77ae108d Make return in memory explicit. 
* function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
        (assign_parm_find_data_types): Remove code for old front end
        invisible reference handling.
        (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
        (expand_function_end): Likewise.
        * gimplify.c (gimplify_return_expr): Handle a dereferenced
        RESULT_DECL.
        * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
        (declare_return_variable): Handle DECL_BY_REFERENCE.
        * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
        (cp_genericize_r): Use convert_from_reference.
        Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
        (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.

From-SVN: r85675
 2004-08-07 13:40:10 -04:00
Jason Merrill
5201931ea1 gimplify.c (gimplify_call_expr): Make return in memory explicit. 
* gimplify.c (gimplify_call_expr): Make return in memory explicit.
        (gimplify_modify_expr_rhs): Likewise.
        * c-common.c (c_warn_unused_result): Check TREE_USED before
        warning about a CALL_EXPR with an unused value.

From-SVN: r85671
 2004-08-07 12:11:10 -04:00
Richard Henderson
0534fa5652 gimplify.c (gimplify_expr): Don't replace with DECL_INITIAL if fb_lvalue. 
* gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
        with DECL_INITIAL if fb_lvalue.
        * tree-gimple.c (is_gimple_id): Add CONST_DECL.
        * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
        with <Cxxx>.
        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
fortran/
        * trans-expr.c (gfc_conv_expr_reference): Create a CONST_DECL
        for TREE_CONSTANTs.
testsuite/
        * gfortran.fortran-torture/execute/intrinsic_rrspacing.f90: Fix
        write to constant argument.
        * gfortran.fortran-torture/execute/intrinsic_scale.f90: Likewise.

From-SVN: r85365
 2004-07-30 15:55:30 -07:00
Richard Kenner
61025d1b36 gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR, don't make another one. 
* gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
	don't make another one.

From-SVN: r85249
 2004-07-27 22:57:25 -04:00
Richard Henderson
e847cc68eb gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove. 
* gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
        (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
        is_gimple_addressable.
        * tree-gimple.c (is_gimple_addressable): Rename from
        is_gimple_addr_expr_arg; accept INDIRECT_REF.
        (is_gimple_lvalue): Don't test INDIRECT_REF directly.
        * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
        rename to is_gimple_addressable.

From-SVN: r85243
 2004-07-27 18:17:00 -07:00
Richard Kenner
9e51aaf570 gimplify.c (gimplify_compound_lval): Check for no handled operations, rather than checking for explicit list of nodes. 
* gimplify.c (gimplify_compound_lval): Check for no handled
	operations, rather than checking for explicit list of nodes.
	(is_gimple_addr_expr_arg_or_indirect): New function.
	(gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
	redundant setting of TREE_INVARIANT.
	(gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
	* tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.

From-SVN: r85110
 2004-07-23 21:29:11 -04:00
Richard Henderson
d91ba7b021 re PR c++/16277 (Wrong code with conditionals in initializers) 
PR c++/16277
        * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
        unshare it properly.
        (gimplify_modify_expr_rhs): Push assignment from a conditional into
        the conditional for all non-register types.

From-SVN: r85100
 2004-07-23 15:48:14 -07:00
Richard Henderson
1479707591 gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c. 
* gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
        (gimplify_compound_lval): Use is_gimple_tmp_reg.
        * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
        (is_gimple_tmp_reg): New.
        * tree-gimple.h (is_gimple_tmp_reg): Declare.

From-SVN: r84975
 2004-07-20 15:47:58 -07:00
Steven Bosscher
165b54c3f3 cfgcleanup.c (try_simplify_condjump): Don't remove line notes to avoid unreachable code warnings. 
* cfgcleanup.c (try_simplify_condjump): Don't remove line
	notes to avoid unreachable code warnings.
	* toplev.c (backend_init): Don't emit line notes for
	unreachable code warnings.

	* combine.c (distribute_notes): Don't distribute a
	REG_VTABLE_REF note.
	* final.c (final_scan_insn): Don't handle it.
	* rtl.c (reg_note_name): Remove it.
	* rtl.h (enum reg_node): Dito.

	* emit-rtl.c (force_line_numbers, restore_line_number_status):
	Remove.
	* rtl.h (force_line_numbers, restore_line_number_status):
	Remove prototypes.

	* stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
	* tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
	(using_eh_for_cleanups): Also moved here.

	* expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
	<SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
	to expand_start_case and add_case_node.
	* stmt.c (struct nesting): Cleanup unused fields condition_code,
	last_unconditional_cleanup, nominal_type, printname, and
	line_number_status.
	(struct fixup_goto): Remove.
	(struct stmt_status): Remove x_goto_fixup_chain field.
	(goto_fixup_chain): Remove.
	(strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
	pushcase, pushcase_range): Remove.
	(expand_start_bindings_and_block): Don't set unused fields in
	the nesting stack.
	(expand_start_case, add_case_node): Cleanup unused formal arguments.
	(expand_end_case_type): Don't simplify the case-list.  Use emit_jump
	instead of emit_jump_if_reachable.
	(emit_case_nodes): Likewise.
	* tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
	static.
	(update_eh_label): Work around left-over exception handing regions.
	* tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
	(pass_cleanup_cfg_post_optimizing): New pass.
	(init_tree_optimization_passes): Run the new pass after all
	optimizations.
	* tree.h (pushcase, pushcase_range): Remove prototypes.
	(expand_start_case, add_case_node): Update prototypes.

cp/
	* cp-tree.h (struct lang_type): Don't have three GTY options on a
	single bit GTY desc.

java/
	* parse.y (java_complete_expand_methods, java_expand_classes): Don't
	abuse restore_line_number_status.

From-SVN: r84849
 2004-07-17 00:31:15 +00:00
Richard Henderson
77c9db7751 builtins.c (std_expand_builtin_va_arg): Remove. 
* builtins.c (std_expand_builtin_va_arg): Remove.
        (expand_builtin_va_arg): Remove.
        * expr.h: Don't declare them.
        * gimplify.c (mark_decls_volatile_r): Remove.
        (copy_if_shared_r): Don't call it.
        * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
        * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
        * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
        EXPAND_BUILTIN_VA_ARG.
        * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
        * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
        config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
        config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.

From-SVN: r84842
 2004-07-16 16:25:51 -07:00
Richard Henderson
d25cee4d2b tree-def (WITH_SIZE_EXPR): New. 
* tree-def (WITH_SIZE_EXPR): New.
        * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimplify.c (maybe_with_size_expr): New.
        (gimplify_arg, gimplify_modify_expr): Use it.
        (gimplify_modify_expr_to_memcpy): Take size parameter.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr): Handle WITH_SIZE_EXPR.
        * tree-alias-common.c (find_func_aliases): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-gimple.c (is_gimple_lvalue): Likewise.
        (get_call_expr_in): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        (expand_calls_inline): Likewise.
        * tree-nested.c (convert_call_expr): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-sra.c (sra_walk_expr): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-tailcall.c (find_tail_calls): Likewise.

        * calls.c (expand_call): Reset old_stack_allocated after
        calling emit_stack_restore.

        * gcc.c-torture/compile/20020210-1.c: Remove XFAIL.

From-SVN: r84833
 2004-07-16 14:13:08 -07:00
Jason Merrill
e4f78bd4af re PR middle-end/15885 (wrong va_start warning (and code)) 
* cp-lang.c (cxx_types_compatible_p): To the middle-end,
        references and pointers are compatible.

        PR middle-end/15885
        * gimplify.c (gimplify_arg): New fn, split out from...
        (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.

From-SVN: r84782
 2004-07-15 17:50:51 -04:00
Jason Merrill
0c322af34a tree-gimple.c (is_gimple_reg_rhs, [...]): New fns. 
* tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
        (rhs_test_for): New fn.
        (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
        * tree-gimple.h: Declare them.
        * gimplify.c (gimplify_modify_expr): Use the new fns.

From-SVN: r84696
 2004-07-14 14:16:48 -04:00
Richard Henderson
cdc3ddb81c target.h (struct gcc_target): Move gimplify_va_arg_expr next to build_builtin_va_list. 
* target.h (struct gcc_target): Move gimplify_va_arg_expr
        next to build_builtin_va_list.
        * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
        * builtins.c (gimplify_va_arg_expr): Likewise.
        * gimplify.c (copy_if_shared_r): Likewise.

From-SVN: r84578
 2004-07-12 15:16:09 -07:00
Paolo Bonzini
55e99d5226 re PR tree-optimization/14107 (Return warnings don't work without optimizations enabled) 
gcc/ChangeLog:
2004-06-29  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/14107
	* gimplify.c (gimplify_return_expr): Accept a
	RETURN_EXPR with an error argument.
	* tree-optimize.c (init_tree_optimization_passes):
	Run pass_warn_function_return at -O0.

gcc/cp/ChangeLog:
2004-06-29  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/14107
	* decl.c (finish_function): Remove temporary band-aid.

From-SVN: r84550
 2004-07-12 06:56:45 +00:00
Richard Henderson
71956db351 re PR tree-optimization/16422 (gcc.c-torture/execute/980223.c fails) 
PR tree-opt/16422
        * tree-sra.c (generate_one_element_init): New.
        (generate_element_init): Use it.
        (scalarize_init): Push/pop gimplify context around it.
        (find_new_referenced_vars_1, find_new_referenced_vars): New.
        * gimplify.c (gimplify_expr): Allow SSA_NAME.

From-SVN: r84523
 2004-07-11 10:33:02 -07:00
Richard Henderson
ac45df5dba except.c (expand_eh_region_start, [...]): Remove. 
* except.c (expand_eh_region_start, expand_eh_region_end,
	expand_eh_handler, expand_eh_region_end_cleanup,
	expand_start_all_catch, expand_start_catch, expand_end_catch,
	expand_end_all_catch, expand_eh_region_end_allowed,
	expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
	expand_eh_region_end_fixup): Remove.
	* stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
	cleanups, outer_cleanups, label_chain, exception_region.
	(struct goto_fixup): Remove stack_level, cleanup_list_list.
	(struct label_chain): Remove.
	(struct stmt_status): Remove x_stack_block_stack.
	(stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
	fixup_gotos, save_stack_pointer, expand_decl_cleanup,
	expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
	end_cleanup_deferral, last_cleanup_this_contour,
	containing_blocks_have_cleanups_or_stack_level,
	any_pending_cleanups): Remove.
	(expand_null_return_1): Take no arguments.
	(expand_label, expand_naked_return, expand_return,
	expand_start_bindings_and_block, expand_end_bindings, expand_decl,
	expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
	expand_end_case_type): Don't use any of them.
	* calls.c (expand_call): Likewise.
	* dojump.c (do_jump): Likewise.
	* function.c (expand_function_end): Likewise.
	* expr.c (store_expr, expand_expr_real_1): Likewise.
	(safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
	(expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
	CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
	EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
	* fold-const.c (fold_checksum_tree): Use first_rtl_op.
	* gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
	* gimplify.c (gimplify_cleanup_point_expr): Renumber operands
	for WITH_CLEANUP_EXPR.
	(gimple_push_cleanup): Likewise.
	* integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
	* print-tree.c (print_node): Likewise.
	* tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
	* tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
	(has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
	* tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
	(GOTO_SUBROUTINE_EXPR): Remove.
	* tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
	(DECL_TOO_LATE): Remove.
	* except.h, tree.h: Update decls.
ada/
	* trans.c (gnat_to_gnu <N_Handled_Sequence_Of_Statements>): Update
	commentary.
cp/
	* cp-tree.h (expand_eh_spec_block): Remove.
java/
	* expr.c (case_identity, get_primitive_array_vtable,
	java_expand_expr, emit_init_test_initialization): Remove.
	* java-tree.h (java_expand_expr): Remove.
	* lang.c (LANG_HOOKS_EXPAND_EXPR): Remove.

From-SVN: r84275
 2004-07-08 00:46:07 -07:00
Richard Kenner
5377d5ba39 langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg. 
* langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
	* langhooks.h (var_mod_type_p): Likewise.
	* c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
	* expr.c (count_type_elements): Properly handle return from
	array_type_nelts and properly test for overflow.
	* gimplify.c (gimplify_init_constructor): Properly handle return
	from array_type_nelts.
	(gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
	* integrate.c (copy_decl_for_inlining): Correct comments.
	* tree-inline.c (remap_decl): Update comments, remove dead code,
	and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
	(remap_type): Only remap if variably modified by vars in function
	being inlined.
	(copy_body_r): Use compatible_type langhooks to see when can fold.
	(setup_one_parameter): Don't remap type.
	(inline_forbidden_p_1): Add arg to variably_modified_type_p.
	* tree.c (recompute_tree_invarant_for_addr_expr): Properly
	compute TREE_INVARIANT for decl case.
	(find_var_from_fn): New function.
	(variably_modified_type_p): Add arg and call new function.
	* tree.h (variably_modified_type_p): Add extra arg.

	* cp/cp-lang.c (cp_var_mod_type_p): Add extra arg.
	* cp/decl.c (grokdeclarator): Extra arg to variably_modified_type_p.
	* cp/pt.c (check_instantiated_args, unify): Likewise.

From-SVN: r84144
 2004-07-05 22:20:16 -04:00
Richard Kenner
48eb4e53cd tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro. 
* tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
	* gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
	(gimplify_target_expr, gimplify_expr): Likewise.
	(copy_if_shared_r): No longer need special case for BIND_EXPR.
	(unshare_body, unvisit_body): Only look at nested if BODY_P is
	whole function.
	(gimplify_compound_lval): See if we can strip any useless conversion.
	(gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
	from RHS, not LHS.
	(gimplify_modify_expr_to_memset): Likewise.
	(gimplify_expr, case CONSTRUCTOR): Handle use as statement.
	* tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
	(declare_inline_vars): Likewise.
	(walk_type_fields): New function.
	(walk_tree): Use it.
	* tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.

From-SVN: r84121
 2004-07-05 12:39:15 -04:00
Richard Kenner
73d6ddef27 gimplify.c (gimplify_conversion): Remove stripping useless conversions from here. 
* gimplify.c (gimplify_conversion): Remove stripping useless
	conversions from here.
	(gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
	(gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
	Unshare before substituting PLACEHOLDER_EXPR.
	(gimplify_modify_expr_to_memset): Likewise.
	Pass address of TO to memset, not TO itself.
	(gimplify_init_constructor): Make copy of OBJECT so we have it each
	time we make an expression (to match a PLACEHOLDER_EXPR).

From-SVN: r84056
 2004-07-03 09:51:51 -04:00
Richard Kenner
1e748a2b15 * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL. 
From-SVN: r83998
 2004-07-01 15:45:28 -04:00
Richard Henderson
90051e16b4 gimplify.c (gimplify_compound_lval): Take fallback argument instead of want_lvalue. 
* gimplify.c (gimplify_compound_lval): Take fallback argument
        instead of want_lvalue.
        (gimplify_call_expr): Take want_value argument instead of test
        function.  Gimplify arguments to val only if reg_type; otherwise
        allow lvalue forms.
        (gimplify_expr): Update gimplify_compound_lval and gimplify_call_expr
        calls.
        * tree-gimple.c: Update GIMPLE grammer.  Use true/false not 1/0.
        Tidy commentary globally.
        (get_call_expr_in): Remove RETURN_EXPR handling.  Tidy.
        * tree-gimple.h (is_gimple_call_addr): Mark extern.

        * gimplify.c (gimplify_modify_expr_to_memcpy): Fix typo.

From-SVN: r83941
 2004-06-30 17:14:43 -07:00
Per Bothner
a281759fdf Conditionally compile support for --enable-mapped_location. 
* tree-mudflap.c (mf_file_function_line_tree):  Take a location_t
	rather than a pointer to one.  Use expand_location.
	(mf_varname_tree):  Use expand_location.
	* tree-dump.c:  Use expand_location on DECL_SOURCE_LOCATION.
	* coverage.c:  Likewise.
	* print-tree.c:  Likewise.
	* c-aux-info.c (gen_aux_info_record):  Likewise.
	* c-parse.in:  Use SET_EXPR_LOCATION macro.
	* gimple-low.c:  Likewise.
	* tree-mudflap.c:  Likewise.
	* gimplify.c:  Likewise.  Also use EXPR_LOCATION and EXPR_HAS_LOCATION.
	* c-ppoutput.c:  Use new source_location typedef instead of fileline.
	* c-semantics.c:  Use new macros.
	* c-typeck.c:  Likewise.

From-SVN: r83920
 2004-06-30 11:11:14 -07:00
Richard Henderson
26d44ae2fd gimplify.c (gimplify_modify_expr_rhs): Move immediately before gimplify_modify_expr. 
* gimplify.c (gimplify_modify_expr_rhs): Move immediately before
        gimplify_modify_expr.
        (gimplify_init_constructor): Likewise.  Gimplify the null
        CONSTRUCTOR assignment.
        (gimplify_modify_expr_to_memcpy): New.
        (gimplify_modify_expr_to_memset): New.
        (gimplify_modify_expr): Use them.

From-SVN: r83888
 2004-06-29 17:38:18 -07:00
Richard Kenner
350fae6628 c-common.c (c_safe_from_p, [...]): Deleted. 
2004-06-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-common.c (c_safe_from_p, c_walk_subtrees): Deleted.
        * c-common.def (DECL_STMT): Remove.
        * c-common.h (DECL_STMT_DECL): Deleted.
        (COMPOUNT_LITERAL_EXPR_DECL): Use DECL_EXPR_DECL.
        (c_safe_from_p, c_walk_subtrees): Deleted.
        * c-decl.c, c-parse.in, c-pretty-print.c: DECL_STMT now DECL_EXPR.
        * c-dump.c (c_dump_tree, case DECL_STMT): Deleted.
        * c-gimplify.c (gimplify_decl_stmt): Deleted.
        (gimplify_compound_literal_expr): Use DECL_EXPR_DECL
        and gimplify_and_add.
        (c_gimplify_expr, case DECL_EXPR): New case.
        (c_gimplify_expr, case DECL_STMT): Deleted.
        * c-lang.c (LANG_HOOKS_SAFE_FROM_P): Likewise.
        (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
        * expr.c (safe_from_p, case 's'): New case.
        * gimplify.c (gimplify_decl_expr): New function.
        (gimplify_expr, case DECL_EXPR): New case.
        * tree-inline.c (walk_tree): Walk into all fields of a type and
        decl only if they are in a DECL_EXPR.
        (mark_local_for_remap_r): Minor code cleanup.
        * tree-outof-ssa.c (discover_nonconstant_array_refs_r): Add else.
        * tree.c (has_cleanups, case DECL_EXPR): New case.
        * tree.def (DECL_EXPR): New code.
        * tree.h (DECL_EXPR_DECL): New macro.

        * objc/objc-lang.c (LANG_HOOKS_SAFE_FROM_P): Deleted.

From-SVN: r83721
 2004-06-26 17:11:23 -04:00
Kazu Hirata
61ada8ae18 c-typeck.c, [...]: Fix comment typos. 
* c-typeck.c, cfgexpand.c, ddg.c, ddg.h, df.c, fold-const.c,
	gcov.c, gimplify.c, modulo-sched.c, passes.c, tree-cfg.c,
	tree-mudflap.c, tree-nrv.c, tree-outof-ssa.c, tree-ssa-dom.c,
	tree-ssa-dse.c, tree-ssa-operands.c, tree-ssa-pre.c,
	tree-tailcall.c: Fix comment typos.  Follow spelling
	conventions.

From-SVN: r83703
 2004-06-26 05:03:55 +00:00
Richard Kenner
af72267c72 gimplify.c (lookup_tmp_var): Set TREE_READONLY in is_formal case. 
* gimplify.c (lookup_tmp_var): Set TREE_READONLY in is_formal case.
	(build_addr_expr_with_type): Deleted.
	(build_addr_expr): Deleted; callers changed to build_fold_addr_expr.
	(gimplify_compound_lval): Make two passes over reference nest.

From-SVN: r83678
 2004-06-25 16:47:45 -04:00
Jeff Law
71f85957b6 gimplify.c (gimplify_compound_lval): Reset TREE_SIDE_EFFECTS after gimplifying the innermost component. 
* gimplify.c (gimplify_compound_lval): Reset TREE_SIDE_EFFECTS
        after gimplifying the innermost component.

In

From-SVN: r83670
 2004-06-25 12:31:56 -06:00