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Fixes long arithmetics bug

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This commit is contained in:
konsoletyper 2014-07-02 17:42:21 +04:00
parent cf64364716
commit 08fc4c5f23
4 changed files with 18 additions and 9 deletions
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4
teavm-core/src/main/java/org/teavm/javascript/Renderer.java
View File

@ -905,6 +905,10 @@ public class Renderer implements ExprVisitor, StatementVisitor, RenderingContext
expr.getOperand().acceptVisitor(this);
writer.append(')');
break;
case LONG_TO_INT:
expr.getOperand().acceptVisitor(this);
writer.append(".lo");
break;
case NEGATE_LONG:
writer.append("Long_neg(");
expr.getOperand().acceptVisitor(this);

6
teavm-core/src/main/java/org/teavm/javascript/StatementGenerator.java
View File

@ -257,7 +257,7 @@ class StatementGenerator implements InstructionVisitor {
value = castToInteger(value);
break;
case LONG:
value = castFromLong(value);
value = castLongToInt(value);
break;
default:
break;
@ -553,6 +553,10 @@ class StatementGenerator implements InstructionVisitor {
return Expr.binary(BinaryOperation.BITWISE_OR, value, Expr.constant(0));
}
private Expr castLongToInt(Expr value) {
return Expr.unary(UnaryOperation.LONG_TO_INT, value);
}
private Expr castToLong(Expr value) {
return Expr.unary(UnaryOperation.NUM_TO_LONG, value);
}

1
teavm-core/src/main/java/org/teavm/javascript/ast/UnaryOperation.java
View File

@ -26,6 +26,7 @@ public enum UnaryOperation {
NEGATE_LONG,
LENGTH,
LONG_TO_NUM,
LONG_TO_INT,
NUM_TO_LONG,
INT_TO_LONG,
BYTE_TO_INT,

16
teavm-core/src/main/resources/org/teavm/javascript/runtime.js
View File

@ -447,9 +447,9 @@ Long_sub = function(a, b) {
var b_hihi = b.hi >>> 16;
var lolo = (a_lolo - b_lolo) | 0;
var lohi = (a_lohi - b_lohi - (lolo >> 16)) | 0;
var hilo = (a_hilo - b_hilo - (lohi >> 16)) | 0;
var hihi = (a_hihi - b_hihi - (hilo >> 16)) | 0;
var lohi = (a_lohi - b_lohi + (lolo >> 16)) | 0;
var hilo = (a_hilo - b_hilo + (lohi >> 16)) | 0;
var hihi = (a_hihi - b_hihi + (hilo >> 16)) | 0;
return new Long((lolo & 0xFFFF) | ((lohi & 0xFFFF) << 16), (hilo & 0xFFFF) | ((hihi & 0xFFFF) << 16));
}
Long_compare = function(a, b) {
@ -617,7 +617,7 @@ LongInt_inc = function(a) {
if (a.lo == 0) {
a.hi = (a.hi + 1) | 0;
if (a.hi == 0) {
a.sup = (a.sup + 1) | 0xFFFF;
a.sup = (a.sup + 1) & 0xFFFF;
}
}
}
@ -626,7 +626,7 @@ LongInt_dec = function(a) {
if (a.lo == -1) {
a.hi = (a.hi - 1) | 0;
if (a.hi == -1) {
a.sup = (a.sup - 1) | 0xFFFF;
a.sup = (a.sup - 1) & 0xFFFF;
}
}
}
@ -662,7 +662,7 @@ LongInt_numOfLeadingZeroBits = function(a) {
return 31 - n;
}
LongInt_shl = function(a, b) {
if (b == 0) {
if (b === 0) {
return;
} else if (b < 32) {
a.sup = ((a.hi >>> (32 - b)) | (a.sup << b)) & 0xFFFF;
@ -687,7 +687,7 @@ LongInt_shl = function(a, b) {
}
}
LongInt_shr = function(a, b) {
if (b == 0) {
if (b === 0) {
return;
} else if (b === 32) {
a.lo = a.hi;
@ -697,7 +697,7 @@ LongInt_shr = function(a, b) {
a.lo = (a.lo >>> b) | (a.hi << (32 - b));
a.hi = (a.hi >>> b) | (a.sup << (32 - b));
a.sup >>>= b;
} else if (b == 64) {
} else if (b === 64) {
a.lo = a.sup;
a.hi = 0;
a.sup = 0;