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-rw-r--r--src/parseTools.js36
1 files changed, 18 insertions, 18 deletions
diff --git a/src/parseTools.js b/src/parseTools.js
index ff578c0a..520d278e 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -559,12 +559,12 @@ function splitI64(value) {
return makeInlineCalculation(makeI64('VALUE>>>0', 'Math.min(Math.floor(VALUE/4294967296), 4294967295)'), value, 'tempBigIntP');
}
}
-function mergeI64(value) {
+function mergeI64(value, unsigned) {
assert(USE_TYPED_ARRAYS == 2);
if (legalizedI64s) {
- return RuntimeGenerator.makeBigInt(value + '$0', value + '$1');
+ return RuntimeGenerator.makeBigInt(value + '$0', value + '$1', unsigned);
} else {
- return makeInlineCalculation(RuntimeGenerator.makeBigInt('VALUE[0]', 'VALUE[1]'), value, 'tempI64');
+ return makeInlineCalculation(RuntimeGenerator.makeBigInt('VALUE[0]', 'VALUE[1]', unsigned), value, 'tempI64');
}
}
@@ -1672,22 +1672,22 @@ function processMathop(item) {
case 'fptoui': case 'fptosi': return finish(splitI64(idents[0]));
case 'icmp': {
switch (variant) {
- case 'uge': return high1 + ' >= ' + high2 + ' && (' + high1 + ' > ' + high2 + ' || ' +
- low1 + ' >= ' + low2 + ')';
+ case 'uge': return '(' + high1 + '>>>0) >= (' + high2 + '>>>0) && ((' + high1 + '>>>0) > (' + high2 + '>>>0) || ' +
+ '(' + low1 + '>>>0) >= (' + low2 + '>>>0))';
case 'sge': return '(' + high1 + '|0) >= (' + high2 + '|0) && ((' + high1 + '|0) > (' + high2 + '|0) || ' +
- '(' + low1 + '|0) >= (' + low2 + '|0))';
- case 'ule': return high1 + ' <= ' + high2 + ' && (' + high1 + ' < ' + high2 + ' || ' +
- low1 + ' <= ' + low2 + ')';
+ '(' + low1 + '>>>0) >= (' + low2 + '>>>0))';
+ case 'ule': return '(' + high1 + '>>>0) <= (' + high2 + '>>>0) && ((' + high1 + '>>>0) < (' + high2 + '>>>0) || ' +
+ '(' + low1 + '>>>0) <= (' + low2 + '>>>0))';
case 'sle': return '(' + high1 + '|0) <= (' + high2 + '|0) && ((' + high1 + '|0) < (' + high2 + '|0) || ' +
- '(' + low1 + '|0) <= (' + low2 + '|0))';
- case 'ugt': return high1 + ' > ' + high2 + ' || (' + high1 + ' == ' + high2 + ' && ' +
- low1 + ' > ' + low2 + ')';
+ '(' + low1 + '>>>0) <= (' + low2 + '>>>0))';
+ case 'ugt': return '(' + high1 + '>>>0) > (' + high2 + '>>>0) || ((' + high1 + '>>>0) == (' + high2 + '>>>0) && ' +
+ '(' + low1 + '>>>0) > (' + low2 + '>>>0))';
case 'sgt': return '(' + high1 + '|0) > (' + high2 + '|0) || ((' + high1 + '|0) == (' + high2 + '|0) && ' +
- '(' + low1 + '|0) > (' + low2 + '|0))';
- case 'ult': return high1 + ' < ' + high2 + ' || (' + high1 + ' == ' + high2 + ' && ' +
- low1 + ' < ' + low2 + ')';
+ '(' + low1 + '>>>0) > (' + low2 + '>>>0))';
+ case 'ult': return '(' + high1 + '>>>0) < (' + high2 + '>>>0) || ((' + high1 + '>>>0) == (' + high2 + '>>>0) && ' +
+ '(' + low1 + '>>>0) < (' + low2 + '>>>0))';
case 'slt': return '(' + high1 + '|0) < (' + high2 + '|0) || ((' + high1 + '|0) == (' + high2 + '|0) && ' +
- '(' + low1 + '|0) < (' + low2 + '|0))';
+ '(' + low1 + '>>>0) < (' + low2 + '>>>0))';
case 'ne': return low1 + ' != ' + low2 + ' || ' + high1 + ' != ' + high2 + '';
case 'eq': return low1 + ' == ' + low2 + ' && ' + high1 + ' == ' + high2 + '';
default: throw 'Unknown icmp variant: ' + variant;
@@ -1704,9 +1704,9 @@ function processMathop(item) {
// Dangerous, rounded operations. TODO: Fully emulate
case 'add': warnI64_1(); return finish(splitI64(mergeI64(idents[0]) + '+' + mergeI64(idents[1])));
case 'sub': warnI64_1(); return finish(splitI64(mergeI64(idents[0]) + '-' + mergeI64(idents[1])));
- case 'sdiv': case 'udiv': warnI64_1(); return finish(splitI64(makeRounding(mergeI64(idents[0]) + '/' + mergeI64(idents[1]), bits, op[0] === 's')));
- case 'mul': warnI64_1(); return finish(splitI64(mergeI64(idents[0]) + '*' + mergeI64(idents[1])));
- case 'urem': case 'srem': warnI64_1(); return finish(splitI64(mergeI64(idents[0]) + '%' + mergeI64(idents[1])));
+ case 'sdiv': case 'udiv': warnI64_1(); return finish(splitI64(makeRounding(mergeI64(idents[0], op[0] === 'u') + '/' + mergeI64(idents[1], op[0] === 'u'), bits, op[0] === 's')));
+ case 'mul': warnI64_1(); return finish(splitI64(mergeI64(idents[0], op[0] === 'u') + '*' + mergeI64(idents[1], op[0] === 'u')));
+ case 'urem': case 'srem': warnI64_1(); return finish(splitI64(mergeI64(idents[0], op[0] === 'u') + '%' + mergeI64(idents[1], op[0] === 'u')));
case 'bitcast': {
// Pointers are not 64-bit, so there is really only one possible type of bitcast here, int to float or vice versa
assert(USE_TYPED_ARRAYS == 2, 'Can only bitcast ints <-> floats with typed arrays mode 2');