diff options
| -rw-r--r-- | src/parseTools.js | 3 | ||||
| -rwxr-xr-x | tests/fuzz/csmith_driver.py | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/src/parseTools.js b/src/parseTools.js index 7d1a7cd9..ae5831ae 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -1393,7 +1393,8 @@ function getFastValue(a, op, b, type) { if (!(type in Runtime.FLOAT_TYPES)) { // if guaranteed small enough to not overflow into a double, do a normal multiply var bits = getBits(type) || 32; // default is 32-bit multiply for things like getelementptr indexes - if ((isNumber(a) && Math.abs(a) < TWO_TWENTY) || (isNumber(b) && Math.abs(b) < TWO_TWENTY) || bits < 32) { + // Note that we can emit simple multiple in non-asm.js mode, but asm.js will not parse "16-bit" multiple, so must do imul there + if ((isNumber(a) && Math.abs(a) < TWO_TWENTY) || (isNumber(b) && Math.abs(b) < TWO_TWENTY) || (bits < 32 && !ASM_JS)) { return '(((' + a + ')*(' + b + '))&' + ((Math.pow(2, bits)-1)|0) + ')'; // keep a non-eliminatable coercion directly on this } return 'Math.imul(' + a + ',' + b + ')'; diff --git a/tests/fuzz/csmith_driver.py b/tests/fuzz/csmith_driver.py index 26633494..62524a93 100755 --- a/tests/fuzz/csmith_driver.py +++ b/tests/fuzz/csmith_driver.py @@ -30,7 +30,7 @@ while 1: print 'Tried %d, notes: %s' % (tried, notes) tried += 1 print '1) Generate C' - shared.execute([CSMITH, '--no-volatiles', '--no-math64', '--max-block-depth', '2', '--max-block-size', '2', '--max-expr-complexity', '2', '--max-funcs', '2'], stdout=open(filename + '.c', 'w')) + shared.execute([CSMITH, '--no-volatiles', '--no-math64'], stdout=open(filename + '.c', 'w')) print '2) Compile natively' shared.try_delete(filename) |