| load(libdir + 'simd.js'); |
| |
| setJitCompilerOption("ion.warmup.trigger", 50); |
| |
| function curry(f, arg) { return f.bind(null, arg); } |
| |
| function binaryLsh(count, v) { if (count>>>0 >= 32) return 0; return (v << count) | 0; } |
| function lsh(count) { return curry(binaryLsh, count); } |
| |
| function binaryRsh(count, v) { if (count>>>0 >= 32) count = 31; return (v >> count) | 0; } |
| function rsh(count) { return curry(binaryRsh, count); } |
| |
| function binaryUrsh(count, v) { if (count>>>0 >= 32) return 0; return (v >>> count) | 0; } |
| function ursh(count) { return curry(binaryUrsh, count); } |
| |
| function f() { |
| var v = SIMD.Int32x4(1, 2, -3, 4); |
| var a = [1, 2, -3, 4]; |
| var zeros = [0,0,0,0]; |
| |
| var shifts = [-1, 0, 1, 31, 32]; |
| |
| var r; |
| for (var i = 0; i < 150; i++) { |
| // Constant shift counts |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, -1), a.map(lsh(-1))); |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, 0), a.map(lsh(0))); |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, 1), a.map(lsh(1))); |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, 2), a.map(lsh(2))); |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, 31), a.map(lsh(31))); |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, 32), a.map(lsh(32))); |
| |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, -1), a.map(rsh(31))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, 0), a.map(rsh(0))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, 1), a.map(rsh(1))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, 2), a.map(rsh(2))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, 31), a.map(rsh(31))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, 32), a.map(rsh(31))); |
| |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, -1), a.map(ursh(-1))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, 0), a.map(ursh(0))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, 1), a.map(ursh(1))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, 2), a.map(ursh(2))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, 31), a.map(ursh(31))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, 32), a.map(ursh(32))); |
| |
| // Non constant shift counts |
| var c = shifts[i % shifts.length]; |
| assertEqX4(SIMD.Int32x4.shiftLeftByScalar(v, c), a.map(lsh(c))); |
| assertEqX4(SIMD.Int32x4.shiftRightArithmeticByScalar(v, c), a.map(rsh(c))); |
| assertEqX4(SIMD.Int32x4.shiftRightLogicalByScalar(v, c), a.map(ursh(c))); |
| } |
| return r; |
| } |
| |
| f(); |
| |