8sa1-gcc/gcc/java/java-gimplify.c
Andrew MacLeod 18f429e29c gimplify-be.h: New file.
* 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
2013-11-14 19:39:38 +00:00

171 lines
4.6 KiB
C

/* Java(TM) language-specific gimplification routines.
Copyright (C) 2003-2013 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "java-tree.h"
#include "dumpfile.h"
#include "gimple.h"
#include "gimplify.h"
static tree java_gimplify_block (tree);
static enum gimplify_status java_gimplify_modify_expr (tree *);
static enum gimplify_status java_gimplify_self_mod_expr (tree *, gimple_seq *,
gimple_seq *);
static void dump_java_tree (enum tree_dump_index, tree);
/* Convert a Java tree to GENERIC. */
void
java_genericize (tree fndecl)
{
walk_tree (&DECL_SAVED_TREE (fndecl), java_replace_references, NULL, NULL);
dump_java_tree (TDI_original, fndecl);
}
/* Gimplify a Java tree. */
int
java_gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p)
{
enum tree_code code = TREE_CODE (*expr_p);
switch (code)
{
case BLOCK:
*expr_p = java_gimplify_block (*expr_p);
break;
case MODIFY_EXPR:
return java_gimplify_modify_expr (expr_p);
case POSTINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case PREDECREMENT_EXPR:
return java_gimplify_self_mod_expr (expr_p, pre_p, post_p);
/* These should already be lowered before we get here. */
case URSHIFT_EXPR:
case COMPARE_EXPR:
case COMPARE_L_EXPR:
case COMPARE_G_EXPR:
gcc_unreachable ();
default:
return GS_UNHANDLED;
}
return GS_OK;
}
static enum gimplify_status
java_gimplify_modify_expr (tree *modify_expr_p)
{
tree modify_expr = *modify_expr_p;
tree lhs = TREE_OPERAND (modify_expr, 0);
tree rhs = TREE_OPERAND (modify_expr, 1);
tree lhs_type = TREE_TYPE (lhs);
if (lhs_type != TREE_TYPE (rhs))
/* Fix up type mismatches to make legal GIMPLE. These are
generated in several places, in particular null pointer
assignment and subclass assignment. */
TREE_OPERAND (modify_expr, 1) = convert (lhs_type, rhs);
return GS_UNHANDLED;
}
/* Special case handling for volatiles: we need to generate a barrier
between the reading and the writing. */
static enum gimplify_status
java_gimplify_self_mod_expr (tree *expr_p, gimple_seq *pre_p ATTRIBUTE_UNUSED,
gimple_seq *post_p ATTRIBUTE_UNUSED)
{
tree lhs = TREE_OPERAND (*expr_p, 0);
if (TREE_CODE (lhs) == COMPONENT_REF
&& TREE_THIS_VOLATILE (TREE_OPERAND (lhs, 1)))
TREE_THIS_VOLATILE (lhs) = 1;
return GS_UNHANDLED;
}
/* Gimplify BLOCK into a BIND_EXPR. */
static tree
java_gimplify_block (tree java_block)
{
tree decls = BLOCK_VARS (java_block);
tree body = BLOCK_EXPR_BODY (java_block);
gimple outer = gimple_current_bind_expr ();
tree block;
/* Don't bother with empty blocks. */
if (! body)
return build_empty_stmt (input_location);
if (IS_EMPTY_STMT (body))
return body;
/* Make a proper block. Java blocks are unsuitable for BIND_EXPR
because they use BLOCK_SUBBLOCKS for another purpose. */
block = make_node (BLOCK);
BLOCK_VARS (block) = decls;
/* The TREE_USED flag on a block determines whether the debug output
routines generate info for the variables in that block. */
TREE_USED (block) = 1;
if (outer != NULL)
{
tree b = gimple_bind_block (outer);
BLOCK_SUBBLOCKS (b) = chainon (BLOCK_SUBBLOCKS (b), block);
}
BLOCK_EXPR_BODY (java_block) = NULL_TREE;
return build3 (BIND_EXPR, TREE_TYPE (java_block), decls, body, block);
}
/* Dump a tree of some kind. This is a convenience wrapper for the
dump_* functions in tree-dump.c. */
static void
dump_java_tree (enum tree_dump_index phase, tree t)
{
FILE *stream;
int flags;
stream = dump_begin (phase, &flags);
flags |= TDF_SLIM;
if (stream)
{
dump_node (t, flags, stream);
dump_end (phase, stream);
}
}