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-rw-r--r--gcc/java/expr.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/java/expr.c b/gcc/java/expr.c
index 3c1c0ff..f25b194 100644
--- a/gcc/java/expr.c
+++ b/gcc/java/expr.c
@@ -981,6 +981,10 @@ expand_java_pushc (ival, type)
push_value (value);
}
+#ifndef INT_TYPE_SIZE
+#define INT_TYPE_SIZE BITS_PER_WORD
+#endif
+
static void
expand_java_return (type)
tree type;
@@ -992,6 +996,16 @@ expand_java_return (type)
tree retval = pop_value (type);
tree res = DECL_RESULT (current_function_decl);
retval = build (MODIFY_EXPR, TREE_TYPE (res), res, retval);
+
+ /* Handle the situation where the native integer type is smaller
+ than the JVM integer. It can happen for many cross compilers.
+ The whole if expression just goes away if INT_TYPE_SIZE < 32
+ is false. */
+ if (INT_TYPE_SIZE < 32
+ && (GET_MODE_SIZE (TYPE_MODE (TREE_TYPE (res)))
+ < GET_MODE_SIZE (TYPE_MODE (type))))
+ retval = build1(NOP_EXPR, TREE_TYPE(res), retval);
+
TREE_SIDE_EFFECTS (retval) = 1;
expand_return (retval);
}