From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../cacheir/atomics-store-non-number-value.js      | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 js/src/jit-test/tests/cacheir/atomics-store-non-number-value.js

(limited to 'js/src/jit-test/tests/cacheir/atomics-store-non-number-value.js')

diff --git a/js/src/jit-test/tests/cacheir/atomics-store-non-number-value.js b/js/src/jit-test/tests/cacheir/atomics-store-non-number-value.js
new file mode 100644
index 0000000000..3165bd7940
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/atomics-store-non-number-value.js
@@ -0,0 +1,123 @@
+const types = [
+  "Int8",
+  "Int16",
+  "Int32",
+  "Uint8",
+  "Uint16",
+  "Uint32",
+];
+
+function convert(type, value) {
+  let num = Number(value);
+  switch (type) {
+    case "Int8":
+      return ((num | 0) << 24) >> 24;
+    case "Int16":
+      return ((num | 0) << 16) >> 16;
+    case "Int32":
+      return (num | 0);
+    case "Uint8":
+      return (num >>> 0) & 0xff;
+    case "Uint16":
+      return (num >>> 0) & 0xffff;
+    case "Uint32":
+      return (num >>> 0);
+    case "Uint8Clamped": {
+      if (Number.isNaN(num)) {
+        return 0;
+      }
+      let clamped = Math.max(0, Math.min(num, 255));
+      let f = Math.floor(clamped);
+      if (clamped < f + 0.5) {
+        return f;
+      }
+      if (clamped > f + 0.5) {
+        return f + 1;
+      }
+      return f + (f & 1);
+    }
+    case "Float32":
+      return Math.fround(num);
+    case "Float64":
+      return num;
+  }
+  throw new Error();
+}
+
+
+function runTest(type, initial, values) {
+  let expected = values.map(v => convert(type, v));
+  assertEq(
+    expected.some(e => Object.is(e, initial)),
+    false,
+    "initial must be different from the expected values"
+  );
+
+  // Create a fresh function to ensure ICs are specific to a single TypedArray kind.
+  let test = Function("initial, values, expected", `
+    let ta = new ${type}Array(1);
+    for (let i = 0; i < 200; ++i) {
+      ta[0] = initial;
+      Atomics.store(ta, 0, values[i % values.length]);
+      assertEq(ta[0], expected[i % expected.length]);
+    }
+  `);
+  test(initial, values, expected);
+}
+
+const tests = [
+  // |null| is coerced to zero.
+  {
+    initial: 1,
+    values: [null],
+  },
+
+  // |undefined| is coerced to zero or NaN.
+  {
+    initial: 1,
+    values: [undefined],
+  },
+
+  // |false| is coerced to zero and |true| is coerced to one.
+  {
+    initial: 2,
+    values: [false, true],
+  },
+  
+  // Strings without a fractional part.
+  {
+    initial: 42,
+    values: [
+      "0", "1", "10", "111", "128", "256", "0x7fffffff", "0xffffffff",
+    ],
+  },
+
+  // Strings without a fractional part, but a leading minus sign.
+  {
+    initial: 42,
+    values: [
+      "-0", "-1", "-10", "-111", "-128", "-256", "-2147483647", "-4294967295",
+    ],
+  },
+  
+  // Strings with a fractional number part.
+  {
+    initial: 42,
+    values: [
+      "0.1", "1.2", "10.8", "111.9",
+      "-0.1", "-1.2", "-10.8", "-111.9",
+    ],
+  },
+
+  // Special values and strings not parseable as a number.
+  {
+    initial: 42,
+    values: ["Infinity", "-Infinity", "NaN", "foobar"],
+  },
+];
+
+for (let type of types) {
+  for (let {initial, values} of tests) {
+    runTest(type, initial, values);
+  }
+}
-- 
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