load(libdir + 'simd.js'); setJitCompilerOption("ion.warmup.trigger", 50); const INT8_MIN = -128; const INT8_MAX = 127; const UINT8_MAX = 255; function sat8(x) { if (x < INT8_MIN) return INT8_MIN; if (x > INT8_MAX) return INT8_MAX; return x; } function usat8(x) { if (x < 0) return 0; if (x > UINT8_MAX) return UINT8_MAX; return x; } function f() { var i1 = SIMD.Int8x16(1, 100, 3, 4); var i2 = SIMD.Int8x16(4, 30, 2, 1); var u1 = SIMD.Uint8x16(1, 2, 3, 4); var u2 = SIMD.Uint8x16(4, 3, 2, 1); for (var i = 0; i < 150; i++) { assertEqX4(SIMD.Int8x16.addSaturate(i1, i2), binaryX((x, y) => sat8(x + y), i1, i2)); assertEqX4(SIMD.Int8x16.subSaturate(i1, i2), binaryX((x, y) => sat8(x - y), i1, i2)); assertEqX4(SIMD.Uint8x16.addSaturate(u1, u2), binaryX((x, y) => usat8(x + y), u1, u2)); assertEqX4(SIMD.Uint8x16.subSaturate(u1, u2), binaryX((x, y) => usat8(x - y), u1, u2)); } } f();