| load(libdir + 'simd.js'); |
| |
| setJitCompilerOption("ion.warmup.trigger", 50); |
| |
| function selectBits(mask, ifTrue, ifFalse) { |
| var Int32x4 = SIMD.Int32x4; |
| var tr = Int32x4.and(mask, ifTrue); |
| var fr = Int32x4.and(Int32x4.not(mask), ifFalse); |
| var orApplied = Int32x4.or(tr, fr); |
| return simdToArray(orApplied); |
| } |
| |
| function select(type, mask, ifTrue, ifFalse) { |
| var arr = []; |
| for (var i = 0; i < 4; i++) { |
| var selector = SIMD.Int32x4.extractLane(mask, i); |
| arr.push(type.extractLane(selector === -1 ? ifTrue : ifFalse, i)); |
| } |
| return arr; |
| } |
| |
| function f() { |
| var f1 = SIMD.Float32x4(1, 2, 3, 4); |
| var f2 = SIMD.Float32x4(NaN, Infinity, 3.14, -0); |
| |
| var i1 = SIMD.Int32x4(2, 3, 5, 8); |
| var i2 = SIMD.Int32x4(13, 37, 24, 42); |
| |
| var TTFT = SIMD.Int32x4(-1, -1, 0, -1); |
| var TFTF = SIMD.Int32x4(-1, 0, -1, 0); |
| |
| var mask = SIMD.Int32x4(0xdeadbeef, 0xbaadf00d, 0x00ff1ce, 0xdeadc0de); |
| |
| for (var i = 0; i < 150; i++) { |
| assertEqX4(SIMD.Float32x4.select(TTFT, f1, f2), select(SIMD.Float32x4, TTFT, f1, f2)); |
| assertEqX4(SIMD.Float32x4.select(TFTF, f1, f2), select(SIMD.Float32x4, TFTF, f1, f2)); |
| |
| assertEqX4(SIMD.Int32x4.select(TFTF, i1, i2), select(SIMD.Int32x4, TFTF, i1, i2)); |
| assertEqX4(SIMD.Int32x4.select(TTFT, i1, i2), select(SIMD.Int32x4, TTFT, i1, i2)); |
| |
| assertEqX4(SIMD.Int32x4.selectBits(mask, i1, i2), selectBits(mask, i1, i2)); |
| } |
| } |
| |
| f(); |
| |