diff options
Diffstat (limited to 'deps/v8/test/mjsunit/asm/float64array-negative-offset.js')
-rw-r--r-- | deps/v8/test/mjsunit/asm/float64array-negative-offset.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/asm/float64array-negative-offset.js b/deps/v8/test/mjsunit/asm/float64array-negative-offset.js new file mode 100644 index 0000000000..154bd82cd3 --- /dev/null +++ b/deps/v8/test/mjsunit/asm/float64array-negative-offset.js @@ -0,0 +1,42 @@ +// 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. + +var stdlib = this; +var buffer = new ArrayBuffer(64 * 1024); +var foreign = {} + + +var m = (function Module(stdlib, foreign, heap) { + "use asm"; + var MEM64 = new stdlib.Float64Array(heap); + function load(i) { + i = i|0; + i = +MEM64[i >> 3]; + return i; + } + function store(i, v) { + i = i|0; + v = +v; + MEM64[i >> 3] = v; + } + function load8(i) { + i = i|0; + i = +MEM64[i + 8 >> 3]; + return i; + } + function store8(i, v) { + i = i|0; + v = +v; + MEM64[i + 8 >> 3] = v; + } + return { load: load, store: store, load8: load8, store8: store8 }; +})(stdlib, foreign, buffer); + +assertEquals(NaN, m.load(-8)); +assertEquals(NaN, m.load8(-16)); +m.store(0, 42.0); +assertEquals(42.0, m.load8(-8)); +m.store8(-8, 99.0); +assertEquals(99.0, m.load(0)); +assertEquals(99.0, m.load8(-8)); |