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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/SIMD/saturate.js')
-rw-r--r--js/src/jit-test/tests/SIMD/saturate.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/SIMD/saturate.js b/js/src/jit-test/tests/SIMD/saturate.js
new file mode 100644
index 000000000..a98cf7ad7
--- /dev/null
+++ b/js/src/jit-test/tests/SIMD/saturate.js
@@ -0,0 +1,37 @@
+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();