# HG changeset patch # User iveresov # Date 1390010948 28800 # Node ID f970454708b8994f691be9e32bed727caacaf50a # Parent 709018897c81e313ef22ce8b3563c645c529c5d7 8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size Summary: Fix the sizing of loadUS2L_immI16 and loadI2L_immI Reviewed-by: kvn, azeemj diff -r 709018897c81 -r f970454708b8 src/cpu/sparc/vm/sparc.ad --- a/src/cpu/sparc/vm/sparc.ad Thu Jan 23 01:23:23 2014 +0400 +++ b/src/cpu/sparc/vm/sparc.ad Fri Jan 17 18:09:08 2014 -0800 @@ -5720,7 +5720,6 @@ effect(TEMP dst, TEMP tmp); ins_cost(MEMORY_REF_COST + 2*DEFAULT_COST); - size((3+1)*4); // set may use two instructions. format %{ "LDUH $mem,$dst\t! ushort/char & 16-bit mask -> long\n\t" "SET $mask,$tmp\n\t" "AND $dst,$tmp,$dst" %} @@ -5864,7 +5863,6 @@ effect(TEMP dst, TEMP tmp); ins_cost(MEMORY_REF_COST + 2*DEFAULT_COST); - size((3+1)*4); // set may use two instructions. format %{ "LDUW $mem,$dst\t! int & 32-bit mask -> long\n\t" "SET $mask,$tmp\n\t" "AND $dst,$tmp,$dst" %} diff -r 709018897c81 -r f970454708b8 test/compiler/codegen/LoadWithMask.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/codegen/LoadWithMask.java Fri Jan 17 18:09:08 2014 -0800 @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8032207 + * @summary Invalid node sizing for loadUS2L_immI16 and loadI2L_immI + * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,LoadWithMask.foo LoadWithMask + * + */ +public class LoadWithMask { + static int x[] = new int[1]; + static long foo() { + return x[0] & 0xfff0ffff; + } + + public static void main(String[] args) { + x[0] = -1; + long l = 0; + for (int i = 0; i < 100000; ++i) { + l = foo(); + } + } +}