* gimplify-be.h: New file. Add prototypes. * gimplify.h: Don't include gimple.h. (struct gimplify_hasher, struct gimplify_ctx, is_gimple_sizepos, gimplify_hasher::hash, gimplify_hasher::equal): Relocate from gimple.h. * gimple.h (struct gimplify_hasher, gimplify_hasher::hash, gimplify_hasher::equal, struct gimplify_ctx, is_gimple_sizepos): Move to gimplify.h. (enum gsi_iterator_update): Move to gimple-iterator.h. * gimple-iterator.h (enum gsi_iterator_update): Relocate from gimple.h. * gimplify-be.c: New File. (force_gimple_operand_1, force_gimple_operand, force_gimple_operand_gsi_1, force_gimple_operand_gsi): Relocate from gimplify.c. * gimplify.c (force_gimple_operand_1, force_gimple_operand, force_gimple_operand_gsi_1, force_gimple_operand_gsi): Move to gimplify-be.c. * Makefile.in (OBJS): Add gimplify-be.o * asan.c: Include only gimplify.h, gimplify-be.h, and/or gimple.h as required. * cfgloopmanip.c: Likewise. * cgraphunit.c: Likewise. * cilk-common.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * gimple-expr.c: Likewise. * gimple-fold.c: Likewise. * gimple-ssa-strength-reduction.c: Likewise. * gimple.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * graphite-sese-to-poly.c: Likewise. * ipa-prop.c: Likewise. * ipa-split.c: Likewise. * ipa.c: Likewise. * langhooks.c: Likewise. * omp-low.c: Likewise. * sese.c: Likewise. * stor-layout.c: Likewise. * targhooks.c: Likewise. * trans-mem.c: Likewise. * tree-affine.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-complex.c: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-nested.c: Likewise. * tree-parloops.c: Likewise. * tree-predcom.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-strlen.c: Likewise. * tree-ssa.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-stmts.c: Likewise. * tree.c: Likewise. * tsan.c: Likewise. * value-prof.c: Likewise. * config/aarch64/aarch64.c: Likewise. * config/alpha/alpha.c: Likewise. * config/darwin.c: Likewise. * config/i386/i386.c: Likewise. * config/ia64/ia64.c: Likewise. * config/mep/mep.c: Likewise. * config/mips/mips.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/s390/s390.c: Likewise. * config/sh/sh.c: Likewise. * config/sparc/sparc.c: Likewise. * config/spu/spu.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/tilegx/tilegx.c: Likewise. * config/tilepro/tilepro.c: Likewise. * config/xtensa/xtensa.c: Likewise. * c/c-typeck.c: Include only gimplify.h and gimple.h as needed. * c-family/c-common.c: Likewise. * c-family/c-gimplify.c: Likewise. * c-family/cilk.c: Likewise. * cp/class.c: Include only gimplify.h and gimple.h as needed. * cp/cp-gimplify.c: Likewise. * cp/error.c: Likewise. * cp/init.c: Likewise. * cp/optimize.c: Likewise. * cp/pt.c: Likewise. * cp/semantics.c: Likewise. * cp/tree.c: Likewise. * cp/vtable-class-hierarchy.c: Likewise. * fortran/trans-expr.c: Include only gimplify.h and gimple.h as needed. * fortran/trans-openmp.c: Likewise. * go/go-lang.c: Include only gimplify.h and gimple.h as needed. * java/java-gimplify.c: Include only gimplify.h and gimple.h as needed. * objc/objc-act.c: Include only gimplify.h and gimple.h as needed. From-SVN: r204812
171 lines
4.6 KiB
C
171 lines
4.6 KiB
C
/* Java(TM) language-specific gimplification routines.
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Copyright (C) 2003-2013 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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Java and all Java-based marks are trademarks or registered trademarks
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of Sun Microsystems, Inc. in the United States and other countries.
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The Free Software Foundation is independent of Sun Microsystems, Inc. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "java-tree.h"
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#include "dumpfile.h"
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#include "gimple.h"
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#include "gimplify.h"
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static tree java_gimplify_block (tree);
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static enum gimplify_status java_gimplify_modify_expr (tree *);
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static enum gimplify_status java_gimplify_self_mod_expr (tree *, gimple_seq *,
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gimple_seq *);
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static void dump_java_tree (enum tree_dump_index, tree);
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/* Convert a Java tree to GENERIC. */
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void
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java_genericize (tree fndecl)
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{
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walk_tree (&DECL_SAVED_TREE (fndecl), java_replace_references, NULL, NULL);
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dump_java_tree (TDI_original, fndecl);
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}
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/* Gimplify a Java tree. */
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int
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java_gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p)
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{
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enum tree_code code = TREE_CODE (*expr_p);
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switch (code)
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{
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case BLOCK:
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*expr_p = java_gimplify_block (*expr_p);
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break;
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case MODIFY_EXPR:
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return java_gimplify_modify_expr (expr_p);
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case POSTINCREMENT_EXPR:
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case POSTDECREMENT_EXPR:
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case PREINCREMENT_EXPR:
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case PREDECREMENT_EXPR:
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return java_gimplify_self_mod_expr (expr_p, pre_p, post_p);
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/* These should already be lowered before we get here. */
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case URSHIFT_EXPR:
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case COMPARE_EXPR:
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case COMPARE_L_EXPR:
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case COMPARE_G_EXPR:
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gcc_unreachable ();
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default:
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return GS_UNHANDLED;
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}
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return GS_OK;
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}
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static enum gimplify_status
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java_gimplify_modify_expr (tree *modify_expr_p)
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{
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tree modify_expr = *modify_expr_p;
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tree lhs = TREE_OPERAND (modify_expr, 0);
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tree rhs = TREE_OPERAND (modify_expr, 1);
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tree lhs_type = TREE_TYPE (lhs);
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if (lhs_type != TREE_TYPE (rhs))
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/* Fix up type mismatches to make legal GIMPLE. These are
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generated in several places, in particular null pointer
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assignment and subclass assignment. */
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TREE_OPERAND (modify_expr, 1) = convert (lhs_type, rhs);
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return GS_UNHANDLED;
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}
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/* Special case handling for volatiles: we need to generate a barrier
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between the reading and the writing. */
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static enum gimplify_status
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java_gimplify_self_mod_expr (tree *expr_p, gimple_seq *pre_p ATTRIBUTE_UNUSED,
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gimple_seq *post_p ATTRIBUTE_UNUSED)
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{
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tree lhs = TREE_OPERAND (*expr_p, 0);
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if (TREE_CODE (lhs) == COMPONENT_REF
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&& TREE_THIS_VOLATILE (TREE_OPERAND (lhs, 1)))
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TREE_THIS_VOLATILE (lhs) = 1;
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return GS_UNHANDLED;
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}
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/* Gimplify BLOCK into a BIND_EXPR. */
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static tree
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java_gimplify_block (tree java_block)
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{
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tree decls = BLOCK_VARS (java_block);
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tree body = BLOCK_EXPR_BODY (java_block);
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gimple outer = gimple_current_bind_expr ();
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tree block;
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/* Don't bother with empty blocks. */
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if (! body)
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return build_empty_stmt (input_location);
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if (IS_EMPTY_STMT (body))
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return body;
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/* Make a proper block. Java blocks are unsuitable for BIND_EXPR
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because they use BLOCK_SUBBLOCKS for another purpose. */
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block = make_node (BLOCK);
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BLOCK_VARS (block) = decls;
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/* The TREE_USED flag on a block determines whether the debug output
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routines generate info for the variables in that block. */
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TREE_USED (block) = 1;
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if (outer != NULL)
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{
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tree b = gimple_bind_block (outer);
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BLOCK_SUBBLOCKS (b) = chainon (BLOCK_SUBBLOCKS (b), block);
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}
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BLOCK_EXPR_BODY (java_block) = NULL_TREE;
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return build3 (BIND_EXPR, TREE_TYPE (java_block), decls, body, block);
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}
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/* Dump a tree of some kind. This is a convenience wrapper for the
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dump_* functions in tree-dump.c. */
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static void
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dump_java_tree (enum tree_dump_index phase, tree t)
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{
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FILE *stream;
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int flags;
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stream = dump_begin (phase, &flags);
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flags |= TDF_SLIM;
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if (stream)
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{
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dump_node (t, flags, stream);
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dump_end (phase, stream);
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}
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}
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