diff options
Diffstat (limited to 'deps/v8/test/mjsunit/double-intrinsics.js')
-rw-r--r-- | deps/v8/test/mjsunit/double-intrinsics.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/double-intrinsics.js b/deps/v8/test/mjsunit/double-intrinsics.js new file mode 100644 index 000000000..16d653893 --- /dev/null +++ b/deps/v8/test/mjsunit/double-intrinsics.js @@ -0,0 +1,36 @@ +// Copyright 2014 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --allow-natives-syntax + +function assertDoubleBits(hi, lo, x) { + hi = hi | 0; + lo = lo | 0; + assertEquals(x, %_ConstructDouble(hi, lo)); + assertEquals(hi, %_DoubleHi(x)); + assertEquals(lo, %_DoubleLo(x)); + assertEquals(x, %_ConstructDouble(%_DoubleHi(x), %_DoubleLo(x))); +} + + +var tests = [0x7ff00000, 0x00000000, Infinity, + 0xfff00000, 0x00000000, -Infinity, + 0x80000000, 0x00000000, -0, + 0x400921fb, 0x54442d18, Math.PI, + 0xc00921fb, 0x54442d18, -Math.PI, + 0x4005bf0a, 0x8b145769, Math.E, + 0xc005bf0a, 0x8b145769, -Math.E, + 0xbfe80000, 0x00000000, -0.75]; + + +for (var i = 0; i < tests.length; i += 3) { + assertDoubleBits(tests[i], tests[i + 1], tests[i + 2]); +} + +%OptimizeFunctionOnNextCall(assertDoubleBits); + +for (var i = 0; i < tests.length; i += 3) { + assertDoubleBits(tests[i], tests[i + 1], tests[i + 2]); + assertOptimized(assertDoubleBits); +} |