# HG changeset patch
# User Martin Soch <Martin.Soch@oracle.com>
# Date 1360255301 -3600
# Node ID b9bf26ea01182e2b1608c3ef894e4b4d80eb46ce
# Parent  6cad41d877d2b27a3713d99df3fe5d7fcdaa6f2d
Fixed negation for Integer.MIN_VALUE

diff -r 6cad41d877d2 -r b9bf26ea0118 emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js
--- a/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Thu Feb 07 17:24:19 2013 +0100
+++ b/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Thu Feb 07 17:41:41 2013 +0100
@@ -4,6 +4,7 @@
 Number.prototype.mul32 = function(x) { 
     return (((this * (x >> 16)) << 16) + this * (x & 0xFFFF)) | 0;
 };
+Number.prototype.neg32 = function() { return (-this) | 0; };
 
 Number.prototype.toInt8 = function()  { return (this << 24) >> 24; };
 Number.prototype.toInt16 = function() { return (this << 16) >> 16; };
diff -r 6cad41d877d2 -r b9bf26ea0118 vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu Feb 07 17:24:19 2013 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu Feb 07 17:41:41 2013 +0100
@@ -598,7 +598,7 @@
                     emit(out, "@1 = @1.xor64(@2);", smapper.getL(1), smapper.popL());
                     break;
                 case opc_ineg:
-                    emit(out, "@1 = -@1;", smapper.getI(0));
+                    emit(out, "@1 = @1.neg32();", smapper.getI(0));
                     break;
                 case opc_lneg:
                     emit(out, "@1 = @1.neg64();", smapper.getL(0));
diff -r 6cad41d877d2 -r b9bf26ea0118 vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java
--- a/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java	Thu Feb 07 17:24:19 2013 +0100
+++ b/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java	Thu Feb 07 17:41:41 2013 +0100
@@ -47,6 +47,10 @@
         return x % y;
     }
     
+    private static int neg(int x) {
+        return (-x);
+    }
+    
     @Compare public int addOverflow() {
         return add(Integer.MAX_VALUE, 1);
     }
@@ -91,6 +95,18 @@
         return mod(1, 2);
     }
     
+    @Compare public int negate() {
+        return neg(123456);
+    }
+    
+    @Compare public int negateMaxInt() {
+        return neg(Integer.MAX_VALUE);
+    }
+    
+    @Compare public int negateMinInt() {
+        return neg(Integer.MIN_VALUE);
+    }
+    
     @Compare public int sumTwoDimensions() {
         int[][] matrix = createMatrix(4, 3);
         matrix[0][0] += 10;