mirror of https://github.com/tc39/test262.git
427 lines
11 KiB
JavaScript
427 lines
11 KiB
JavaScript
// Copyright (C) 2016 ecmascript_simd authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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function minNum(x, y) {
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return x != x ? y :
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y != y ? x :
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Math.min(x, y);
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}
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function maxNum(x, y) {
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return x != x ? y :
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y != y ? x :
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Math.max(x, y);
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}
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function sameValue(x, y) {
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if (x == y)
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return x != 0 || y != 0 || (1/x == 1/y);
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return x != x && y != y;
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}
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function binaryMul(a, b) { return a * b; }
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var binaryImul;
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if (typeof Math.imul !== "undefined") {
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binaryImul = Math.imul;
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} else {
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binaryImul = function(a, b) {
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var ah = (a >>> 16) & 0xffff;
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var al = a & 0xffff;
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var bh = (b >>> 16) & 0xffff;
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var bl = b & 0xffff;
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// the shift by 0 fixes the sign on the high part
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// the final |0 converts the unsigned value into a signed value
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return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
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};
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}
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var _f32x4 = new Float32Array(4);
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var _f64x2 = new Float64Array(_f32x4.buffer);
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var _i32x4 = new Int32Array(_f32x4.buffer);
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var _i16x8 = new Int16Array(_f32x4.buffer);
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var _i8x16 = new Int8Array(_f32x4.buffer);
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var _ui32x4 = new Uint32Array(_f32x4.buffer);
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var _ui16x8 = new Uint16Array(_f32x4.buffer);
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var _ui8x16 = new Uint8Array(_f32x4.buffer);
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var float32x4 = {
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name: "Float32x4",
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fn: SIMD.Float32x4,
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floatLane: true,
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signed: true,
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numerical: true,
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lanes: 4,
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laneSize: 4,
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interestingValues: [0, -0, 1, -1, 0.9, -0.9, 1.414, 0x7F, -0x80, -0x8000,
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-0x80000000, 0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN],
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view: Float32Array,
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buffer: _f32x4,
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mulFn: binaryMul,
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}
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var int32x4 = {
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name: "Int32x4",
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fn: SIMD.Int32x4,
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intLane: true,
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signed: true,
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numerical: true,
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logical: true,
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lanes: 4,
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laneSize: 4,
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minVal: -0x80000000,
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maxVal: 0x7FFFFFFF,
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interestingValues: [0, 1, -1, 0x40000000, 0x7FFFFFFF, -0x80000000],
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view: Int32Array,
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buffer: _i32x4,
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mulFn: binaryImul,
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}
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var int16x8 = {
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name: "Int16x8",
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fn: SIMD.Int16x8,
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intLane: true,
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signed: true,
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numerical: true,
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logical: true,
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lanes: 8,
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laneSize: 2,
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laneMask: 0xFFFF,
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minVal: -0x8000,
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maxVal: 0x7FFF,
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interestingValues: [0, 1, -1, 0x4000, 0x7FFF, -0x8000],
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view: Int16Array,
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buffer: _i16x8,
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mulFn: binaryMul,
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}
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var int8x16 = {
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name: "Int8x16",
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fn: SIMD.Int8x16,
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intLane: true,
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signed: true,
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numerical: true,
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logical: true,
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lanes: 16,
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laneSize: 1,
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laneMask: 0xFF,
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minVal: -0x80,
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maxVal: 0x7F,
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interestingValues: [0, 1, -1, 0x40, 0x7F, -0x80],
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view: Int8Array,
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buffer: _i8x16,
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mulFn: binaryMul,
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}
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var uint32x4 = {
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name: "Uint32x4",
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fn: SIMD.Uint32x4,
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intLane: true,
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unsigned: true,
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numerical: true,
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logical: true,
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lanes: 4,
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laneSize: 4,
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minVal: 0,
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maxVal: 0xFFFFFFFF,
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interestingValues: [0, 1, 0x40000000, 0x7FFFFFFF, 0xFFFFFFFF],
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view: Uint32Array,
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buffer: _ui32x4,
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mulFn: binaryImul,
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}
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var uint16x8 = {
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name: "Uint16x8",
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fn: SIMD.Uint16x8,
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intLane: true,
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unsigned: true,
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numerical: true,
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logical: true,
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lanes: 8,
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laneSize: 2,
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laneMask: 0xFFFF,
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minVal: 0,
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maxVal: 0xFFFF,
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interestingValues: [0, 1, 0x4000, 0x7FFF, 0xFFFF],
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view: Uint16Array,
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buffer: _ui16x8,
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mulFn: binaryMul,
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}
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var uint8x16 = {
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name: "Uint8x16",
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fn: SIMD.Uint8x16,
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intLane: true,
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unsigned: true,
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numerical: true,
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logical: true,
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lanes: 16,
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laneSize: 1,
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laneMask: 0xFF,
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minVal: 0,
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maxVal: 0xFF,
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interestingValues: [0, 1, 0x40, 0x7F, 0xFF],
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view: Int8Array,
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buffer: _ui8x16,
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mulFn: binaryMul,
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}
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var bool32x4 = {
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name: "Bool32x4",
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fn: SIMD.Bool32x4,
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boolLane: true,
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logical: true,
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lanes: 4,
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laneSize: 4,
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interestingValues: [true, false],
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}
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var bool16x8 = {
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name: "Bool16x8",
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fn: SIMD.Bool16x8,
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boolLane: true,
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logical: true,
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lanes: 8,
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laneSize: 2,
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interestingValues: [true, false],
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}
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var bool8x16 = {
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name: "Bool8x16",
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fn: SIMD.Bool8x16,
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boolLane: true,
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logical: true,
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lanes: 16,
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laneSize: 1,
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interestingValues: [true, false],
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}
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// Filter functions.
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function isFloatType(type) { return type.floatLane; }
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function isIntType(type) { return type.intLane; }
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function isBoolType(type) { return type.boolLane; }
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function isNumerical(type) { return type.numerical; }
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function isLogical(type) { return type.logical; }
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function isSigned(type) { return type.signed; }
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function isSignedIntType(type) { return type.intLane && type.signed; }
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function isUnsignedIntType(type) { return type.intLane && type.unsigned; }
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function isSmallIntType(type) { return type.intLane && type.lanes >= 8; }
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function isSmallUnsignedIntType(type) {
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return type.intLane && type.unsigned && type.lanes >= 8;
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}
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function hasLoadStore123(type) { return !type.boolLane && type.lanes == 4; }
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// Each SIMD type has a corresponding Boolean SIMD type, which is returned by
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// relational ops.
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float32x4.boolType = int32x4.boolType = uint32x4.boolType = bool32x4;
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int16x8.boolType = uint16x8.boolType = bool16x8;
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int8x16.boolType = uint8x16.boolType = bool8x16;
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// SIMD fromTIMD types.
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float32x4.from = [int32x4, uint32x4];
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int32x4.from = [float32x4];
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int16x8.from = [];
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int8x16.from = [];
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uint32x4.from = [float32x4];
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uint16x8.from = [int16x8];
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uint8x16.from = [int8x16];
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// SIMD fromBits types.
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float32x4.fromBits = [int32x4, int16x8, int8x16, uint32x4, uint16x8, uint8x16];
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int32x4.fromBits = [float32x4, int16x8, int8x16, uint32x4, uint16x8, uint8x16];
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int16x8.fromBits = [float32x4, int32x4, int8x16, uint32x4, uint16x8, uint8x16];
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int8x16.fromBits = [float32x4, int32x4, int16x8, uint32x4, uint16x8, uint8x16];
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uint32x4.fromBits = [float32x4, int32x4, int16x8, int8x16, uint16x8, uint8x16];
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uint16x8.fromBits = [float32x4, int32x4, int16x8, int8x16, uint32x4, uint8x16];
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uint8x16.fromBits = [float32x4, int32x4, int16x8, int8x16, uint32x4, uint16x8];
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var simdTypes = [float32x4,
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int32x4, int16x8, int8x16,
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uint32x4, uint16x8, uint8x16,
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bool32x4, bool16x8, bool8x16];
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if (typeof simdPhase2 !== "undefined") {
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var float64x2 = {
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name: "Float64x2",
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fn: SIMD.Float64x2,
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floatLane: true,
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signed: true,
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numerical: true,
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lanes: 2,
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laneSize: 8,
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interestingValues: [0, -0, 1, -1, 1.414, 0x7F, -0x80, -0x8000, -0x80000000,
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0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN],
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view: Float64Array,
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buffer: _f64x2,
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mulFn: binaryMul,
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}
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var bool64x2 = {
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name: "Bool64x2",
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fn: SIMD.Bool64x2,
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boolLane: true,
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lanes: 2,
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laneSize: 8,
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interestingValues: [true, false],
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}
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float64x2.boolType = bool64x2;
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float32x4.fromBits.push(float64x2);
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int32x4.fromBits.push(float64x2);
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int16x8.fromBits.push(float64x2);
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int8x16.fromBits.push(float64x2);
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uint32x4.fromBits.push(float64x2);
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uint16x8.fromBits.push(float64x2);
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uint8x16.fromBits.push(float64x2);
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float64x2.fromBits = [float32x4, int32x4, int16x8, int8x16,
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uint32x4, uint16x8, uint8x16];
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int32x4.fromBits = [float32x4, int16x8, int8x16, uint32x4,
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uint16x8, uint8x16];
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int16x8.fromBits = [float32x4, int32x4, int8x16, uint32x4,
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uint16x8, uint8x16];
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int8x16.fromBits = [float32x4, int32x4, int16x8, uint32x4,
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uint16x8, uint8x16];
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uint32x4.fromBits = [float32x4, int32x4, int16x8, int8x16,
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uint16x8, uint8x16];
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uint16x8.fromBits = [float32x4, int32x4, int16x8, int8x16,
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uint32x4, uint8x16];
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uint8x16.fromBits = [float32x4, int32x4, int16x8, int8x16,
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uint32x4, uint16x8];
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simdTypes.push(float64x2);
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simdTypes.push(bool64x2);
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}
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// SIMD utility functions.
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// Create a value for testing, with vanilla lane values, i.e. [0, 1, 2, ..]
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// for numeric types, [false, true, true, ..] for boolean types. These test
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// values shouldn't contain NaNs or other "interesting" values.
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function createTestValue(type) {
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var lanes = [];
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for (var i = 0; i < type.lanes; i++)
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lanes.push(i);
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return type.fn.apply(type.fn, lanes);
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}
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function createSplatValue(type, v) {
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var lanes = [];
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for (var i = 0; i < type.lanes; i++)
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lanes.push(v);
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return type.fn.apply(type.fn, lanes);
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}
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// SIMD reference functions.
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// Returns converted array buffer value of specified type.
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function simdConvert(type, value) {
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if (type.buffer === undefined) return !!value; // bool types
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type.buffer[0] = value;
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return type.buffer[0];
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}
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function checkValue(type, a, expect) {
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var fail = false;
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for (var i = 0; i < type.lanes; i++) {
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var v = type.fn.extractLane(a, i);
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var ev = simdConvert(type, expect(i));
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if (!sameValue(ev, v) && Math.abs(ev - v) >= 0.00001)
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fail = true;
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}
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if (fail) {
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var lanes = [];
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for (var i = 0; i < type.lanes; i++){
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lanes.push(simdConvert(type, expect(i)));
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}
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$ERROR("expected SIMD." + type.name + "(" + lanes +
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") but found " + a.toString());
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}
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}
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// SIMD reference functions.
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// Reference implementation of toLocaleString.
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function simdToLocaleString(type, value) {
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value = type.fn.check(value);
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var str = "SIMD." + type.name + "(";
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str += type.fn.extractLane(value, 0).toLocaleString();
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for (var i = 1; i < type.lanes; i++) {
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str += "," + type.fn.extractLane(value, i).toLocaleString();
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}
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return str + ")";
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}
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function equalInt32x4(a, b) {
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assert.sameValue(SIMD.Int32x4.extractLane(a, 0),
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SIMD.Int32x4.extractLane(b, 0));
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assert.sameValue(SIMD.Int32x4.extractLane(a, 1),
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SIMD.Int32x4.extractLane(b, 1));
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assert.sameValue(SIMD.Int32x4.extractLane(a, 2),
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SIMD.Int32x4.extractLane(b, 2));
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assert.sameValue(SIMD.Int32x4.extractLane(a, 3),
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SIMD.Int32x4.extractLane(b, 3));
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}
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// Compare unary op's behavior to ref op at each lane.
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function testUnaryOp(type, op, refOp) {
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assert.sameValue("function", typeof type.fn[op]);
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for (var v of type.interestingValues) {
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var expected = simdConvert(type, refOp(v));
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var a = type.fn.splat(v);
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var result = type.fn[op](a);
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checkValue(type, result, function(index) { return expected; });
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}
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}
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// Compare binary op's behavior to ref op at each lane with the Cartesian
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// product of the given values.
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function testBinaryOp(type, op, refOp) {
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assert.sameValue("function", typeof type.fn[op]);
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var zero = type.fn();
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for (var av of type.interestingValues) {
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for (var bv of type.interestingValues) {
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var expected = simdConvert(type, refOp(simdConvert(type, av),
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simdConvert(type, bv)));
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var a = type.fn.splat(av);
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var b = type.fn.splat(bv);
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var result = type.fn[op](a, b);
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checkValue(type, result, function(index) { return expected; });
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}
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}
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}
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// Compare relational op's behavior to ref op at each lane with the Cartesian
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// product of the given values.
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function testRelationalOp(type, op, refOp) {
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assert.sameValue("function", typeof type.fn[op]);
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var zero = type.fn();
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for (var av of type.interestingValues) {
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for (var bv of type.interestingValues) {
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var expected = refOp(simdConvert(type, av), simdConvert(type, bv));
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var a = type.fn.splat(av);
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var b = type.fn.splat(bv);
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var result = type.fn[op](a, b);
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checkValue(type.boolType, result, function(index) { return expected; });
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}
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}
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}
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// Test utilities.
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var currentName = "<global>";
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var skipValueTests = false;
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function testSimdFunction(name, func) {
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currentName = name;
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if (typeof skipValueTests !== "undefined" && skipValueTests &&
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name.indexOf("value semantics") != -1) return;
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try {
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func();
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} catch (e) {
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e.message += " (Testing with " + name + ".)";
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throw e;
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}
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}
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