From fbd2a5f852ab4f94c0a0c20f7a572c99e75f9daf Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 12 Jun 2012 22:08:36 +0200
Subject: [PATCH] codegen: some more tests

---
 Mate/X86CodeGen.hs     |  1 +
 tests/If1.java         | 19 +++++++++++++++++++
 tests/WhileArray1.java | 31 +++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 tests/If1.java
 create mode 100644 tests/WhileArray1.java

diff --git a/Mate/X86CodeGen.hs b/Mate/X86CodeGen.hs
index 53ac641..2b820b6 100644
--- a/Mate/X86CodeGen.hs
+++ b/Mate/X86CodeGen.hs
@@ -173,6 +173,7 @@ emitFromBB method sig cls hmap =  do
     emit POP = add esp (4 :: Word32) -- drop value
     emit DUP = push (Disp 0, esp)
     emit DUP_X1 = do pop eax; pop ebx; push eax; push ebx; push eax
+    emit DUP_X2 = do pop eax; pop ebx; pop ecx; push eax; push ecx; push ebx; push eax
     emit AASTORE = emit IASTORE
     emit IASTORE = do
         pop eax -- value
diff --git a/tests/If1.java b/tests/If1.java
new file mode 100644
index 0000000..1eff764
--- /dev/null
+++ b/tests/If1.java
@@ -0,0 +1,19 @@
+package tests;
+
+public class If1 {
+	public static void main(String []args) {
+		boolean a = true;
+		boolean b = true;
+		boolean c = true;
+		boolean d = true;
+
+		if (a)
+			System.out.printf("a\n");
+		if (b)
+			System.out.printf("b\n");
+		if (c)
+			System.out.printf("c\n");
+		if (d)
+			System.out.printf("d\n");
+	}
+}
diff --git a/tests/WhileArray1.java b/tests/WhileArray1.java
new file mode 100644
index 0000000..912d043
--- /dev/null
+++ b/tests/WhileArray1.java
@@ -0,0 +1,31 @@
+package tests;
+
+public class WhileArray1 {
+	public static void main(String args[]) {
+		char a[] = new char[10];
+		char b[] = new char[10];
+		for (int i = 0; i < 10; i++) {
+			a[i] = b[i] = (char) i;
+		}
+		System.out.printf("success? %d\n", equal(a, b, 5) ? 1 : 0);
+
+		for (int i = 0; i < 10; i++) {
+			b[i] = (char) i;
+			a[i] = (char) (b[i] + 2);
+		}
+		System.out.printf("success? %d\n", equal(a, b, 5) ? 1 : 0);
+	}
+
+	public static boolean equal(char[] a, char[] b, int len) {
+		/* stolen from the equals implementation of java.lang.String of
+		 * GNU Classpath */
+		int x = 0, y = 0;
+		while (--len >= 0) {
+			System.out.printf("idx: x: %d, y: %d\n", x, y);
+			if (a[x++] != b[y++]) {
+				return false;
+			}
+		}
+		return true;
+	}
+}
-- 
2.25.1