# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1363638796 -3600
# Node ID 9ac11897f727225287eaa694929f658ec03fbced
# Parent  d2fef63dfec84b7398c8070ba25877dd2f4673f8
added tests for ensuring frame omission on AMD64 works for simple cases

diff -r d2fef63dfec8 -r 9ac11897f727 graal/com.oracle.graal.compiler.amd64.test/src/com/oracle/graal/compiler/amd64/test/AMD64FrameOmissionTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.compiler.amd64.test/src/com/oracle/graal/compiler/amd64/test/AMD64FrameOmissionTest.java	Mon Mar 18 21:33:16 2013 +0100
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+package com.oracle.graal.compiler.amd64.test;
+
+import static com.oracle.graal.amd64.AMD64.*;
+
+import java.lang.reflect.*;
+
+import org.junit.*;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.runtime.*;
+import com.oracle.graal.asm.amd64.*;
+import com.oracle.graal.compiler.test.*;
+import com.oracle.graal.phases.*;
+
+/**
+ * Ensures that frame omission works in cases where it is expected to.
+ */
+public class AMD64FrameOmissionTest extends GraalCompilerTest {
+
+    interface CodeGenerator {
+
+        void generateCode(AMD64Assembler asm);
+    }
+
+    public static void test1snippet() {
+        return;
+    }
+
+    @Test
+    public void test1() {
+        testHelper("test1snippet", new CodeGenerator() {
+
+            @Override
+            public void generateCode(AMD64Assembler asm) {
+                asm.ret(0);
+            }
+        });
+    }
+
+    public static int test2snippet(int x) {
+        return x + 5;
+    }
+
+    @Test
+    public void test2() {
+        testHelper("test2snippet", new CodeGenerator() {
+
+            @Override
+            public void generateCode(AMD64Assembler asm) {
+                asm.addl(rsi, 5);
+                asm.movl(rax, rsi);
+                asm.ret(0);
+            }
+        });
+    }
+
+    public static double test3snippet(double x) {
+        return 42.0D / x;
+    }
+
+    @Test
+    public void test3() {
+        testHelper("test3snippet", new CodeGenerator() {
+
+            @Override
+            public void generateCode(AMD64Assembler asm) {
+                asm.movsd(xmm1, new AMD64Address(rip, -40));
+                asm.divsd(xmm1, xmm0);
+                asm.movapd(xmm0, xmm1);
+                asm.ret(0);
+            }
+        });
+    }
+
+    private static boolean DEBUG = false;
+
+    private void testHelper(String name, CodeGenerator gen) {
+        Method method = getMethod(name);
+        ResolvedJavaMethod javaMethod = runtime.lookupJavaMethod(method);
+        InstalledCode installedCode = getCode(javaMethod, parse(method));
+
+        CodeCacheProvider codeCache = Graal.getRequiredCapability(CodeCacheProvider.class);
+        TargetDescription target = codeCache.getTarget();
+        RegisterConfig registerConfig = codeCache.lookupRegisterConfig();
+        AMD64Assembler asm = new AMD64Assembler(target, registerConfig);
+
+        gen.generateCode(asm);
+        for (int i = 0; i < GraalOptions.MethodEndBreakpointGuards; ++i) {
+            asm.int3();
+        }
+        while ((asm.codeBuffer.position() % 8) != 0) {
+            asm.hlt();
+        }
+
+        byte[] expectedCode = asm.codeBuffer.close(true);
+        byte[] actualCode = installedCode.getCode();
+
+        if (DEBUG) {
+            System.out.println(Graal.getRequiredCapability(DisassemblerProvider.class).disassemble(installedCode));
+        }
+
+        Assert.assertArrayEquals(expectedCode, actualCode);
+    }
+}
diff -r d2fef63dfec8 -r 9ac11897f727 mx/projects
--- a/mx/projects	Mon Mar 18 18:26:53 2013 +0100
+++ b/mx/projects	Mon Mar 18 21:33:16 2013 +0100
@@ -248,7 +248,7 @@
 # graal.compiler.amd64.test
 project@com.oracle.graal.compiler.amd64.test@subDir=graal
 project@com.oracle.graal.compiler.amd64.test@sourceDirs=src
-project@com.oracle.graal.compiler.amd64.test@dependencies=com.oracle.graal.compiler.test
+project@com.oracle.graal.compiler.amd64.test@dependencies=com.oracle.graal.compiler.test,com.oracle.graal.asm.amd64
 project@com.oracle.graal.compiler.amd64.test@checkstyle=com.oracle.graal.graph
 project@com.oracle.graal.compiler.amd64.test@javaCompliance=1.7