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>
---
 js/src/jit-test/tests/wasm/extended-const/basic.js | 95 ++++++++++++++++++++++
 .../tests/wasm/extended-const/directives.txt       |  1 +
 .../jit-test/tests/wasm/extended-const/disabled.js | 22 +++++
 .../tests/wasm/extended-const/pathological.js      | 78 ++++++++++++++++++
 4 files changed, 196 insertions(+)
 create mode 100644 js/src/jit-test/tests/wasm/extended-const/basic.js
 create mode 100644 js/src/jit-test/tests/wasm/extended-const/directives.txt
 create mode 100644 js/src/jit-test/tests/wasm/extended-const/disabled.js
 create mode 100644 js/src/jit-test/tests/wasm/extended-const/pathological.js

(limited to 'js/src/jit-test/tests/wasm/extended-const')

diff --git a/js/src/jit-test/tests/wasm/extended-const/basic.js b/js/src/jit-test/tests/wasm/extended-const/basic.js
new file mode 100644
index 0000000000..bf0ce460d5
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/extended-const/basic.js
@@ -0,0 +1,95 @@
+// |jit-test| skip-if: !wasmExtendedConstEnabled()
+
+function testPrivateGlobal(valtype, expr, result) {
+  // Immutable private globals have a single cell for wasm.
+  let { get } = wasmEvalText(`(module
+    (global $global ${valtype} ${expr})
+    (func (export "get") (result ${valtype})
+      global.get $global
+    )
+  )`).exports;
+  assertEq(get(), result);
+}
+function testExportedGlobal(valtype, expr, result) {
+  // Immutable exported globals have a separate cell for wasm and the exported
+  // global object.
+  let { global, get } = wasmEvalText(`(module
+    (global $global (export "global") ${valtype} ${expr})
+    (func (export "get") (result ${valtype})
+      global.get $global
+    )
+  )`).exports;
+  assertEq(get(), result);
+  assertEq(global.value, result);
+}
+function testIndirectGlobal(valtype, expr, result) {
+  // Mutable exported globals share an indirect cell for wasm and the exported
+  // global object.
+  let { global } = wasmEvalText(`(module
+    (global (export "global") (mut ${valtype}) ${expr})
+  )`).exports;
+  assertEq(global.value, result);
+}
+
+// i32 tests
+
+const I32_SQ_OVERFLOW = 0xFFFF + 1;
+const MAX_I32 = 0xFFFF_FFFF;
+function testI32(expr, result) {
+  testPrivateGlobal('i32', expr, result);
+  testExportedGlobal('i32', expr, result);
+  testIndirectGlobal('i32', expr, result);
+}
+testI32('i32.const 1', 1);
+
+testI32('i32.const 1 i32.const 2 i32.add', 3);
+testI32(`i32.const ${MAX_I32} i32.const 1 i32.add`, 0);
+
+testI32('i32.const 1 i32.const 2 i32.sub', -1);
+testI32(`i32.const 1 i32.const 0 i32.sub`, 1);
+
+testI32('i32.const 1 i32.const 2 i32.mul', 2);
+testI32(`i32.const ${I32_SQ_OVERFLOW} i32.const ${I32_SQ_OVERFLOW} i32.mul`, 0);
+
+// i64 tests
+
+const I64_SQ_OVERFLOW = 0xFFFF_FFFFn + 1n;
+const MAX_I64 = 0xFFFF_FFFF_FFFF_FFFFn;
+function testI64(expr, result) {
+  testPrivateGlobal('i64', expr, result);
+  testExportedGlobal('i64', expr, result);
+  testIndirectGlobal('i64', expr, result);
+}
+testI64('i64.const 1', 1n);
+
+testI64('i64.const 1 i64.const 2 i64.add', 3n);
+testI64(`i64.const ${MAX_I64} i64.const 1 i64.add`, 0n);
+
+testI64('i64.const 1 i64.const 2 i64.sub', -1n);
+testI64(`i64.const 1 i64.const 0 i64.sub`, 1n);
+
+testI64('i64.const 1 i64.const 2 i64.mul', 2n);
+testI64(`i64.const ${I64_SQ_OVERFLOW} i64.const ${I64_SQ_OVERFLOW} i64.mul`, 0n);
+
+// test global.get
+
+function testGlobalGet(valtype, aExpr, bExpr, cExpr, cResult) {
+  let { a, b } = wasmEvalText(`(module
+    (global (export "a") ${valtype} ${aExpr})
+    (global (export "b") ${valtype} ${bExpr})
+  )`).exports;
+  let { c } = wasmEvalText(`(module
+    (global $a (import "" "a") ${valtype})
+    (global $b (import "" "b") ${valtype})
+    (global (export "c") ${valtype} ${cExpr})
+  )`, {"": {a, b}}).exports;
+  assertEq(c.value, cResult);
+}
+
+testGlobalGet('i32', 'i32.const 2', 'i32.const 3', 'global.get $a global.get $b i32.add', 5);
+testGlobalGet('i32', 'i32.const 2', 'i32.const 3', 'global.get $a global.get $b i32.sub', -1);
+testGlobalGet('i32', 'i32.const 2', 'i32.const 3', 'global.get $a global.get $b i32.mul', 6);
+
+testGlobalGet('i64', 'i64.const 2', 'i64.const 3', 'global.get $a global.get $b i64.add', 5n);
+testGlobalGet('i64', 'i64.const 2', 'i64.const 3', 'global.get $a global.get $b i64.sub', -1n);
+testGlobalGet('i64', 'i64.const 2', 'i64.const 3', 'global.get $a global.get $b i64.mul', 6n);
diff --git a/js/src/jit-test/tests/wasm/extended-const/directives.txt b/js/src/jit-test/tests/wasm/extended-const/directives.txt
new file mode 100644
index 0000000000..0d16de6524
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/extended-const/directives.txt
@@ -0,0 +1 @@
+|jit-test| --wasm-extended-const; test-also=--wasm-compiler=optimizing; test-also=--wasm-test-serialization; test-also=--wasm-compiler=baseline; test-also=--test-wasm-await-tier2; include:wasm.js
diff --git a/js/src/jit-test/tests/wasm/extended-const/disabled.js b/js/src/jit-test/tests/wasm/extended-const/disabled.js
new file mode 100644
index 0000000000..01e64f6c44
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/extended-const/disabled.js
@@ -0,0 +1,22 @@
+// |jit-test| skip-if: wasmExtendedConstEnabled()
+
+const { CompileError, validate } = WebAssembly;
+
+const DISABLED = /extended constant expressions not enabled|unrecognized opcode/;
+
+let tests = [
+    "(module (global i32 i32.const 0 i32.const 0 i32.add))",
+    "(module (global i32 i32.const 0 i32.const 0 i32.sub))",
+    "(module (global i32 i32.const 0 i32.const 0 i32.mul))",
+    "(module (global i64 i64.const 0 i64.const 0 i64.add))",
+    "(module (global i64 i64.const 0 i64.const 0 i64.sub))",
+    "(module (global i64 i64.const 0 i64.const 0 i64.mul))",
+];
+
+// Test that use of extended constants fails when disabled.
+
+for (let src of tests) {
+    let bin = wasmTextToBinary(src);
+    assertEq(validate(bin), false);
+    wasmCompilationShouldFail(bin, DISABLED);
+}
diff --git a/js/src/jit-test/tests/wasm/extended-const/pathological.js b/js/src/jit-test/tests/wasm/extended-const/pathological.js
new file mode 100644
index 0000000000..e3695f3625
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/extended-const/pathological.js
@@ -0,0 +1,78 @@
+// |jit-test| skip-if: !wasmExtendedConstEnabled()
+
+// Let's calculate zero in some elaborate ways.
+function testFancyZeroOffset(fancyZero, memType = 'i32') {
+    try {
+        const { mem } = wasmEvalText(`(module
+            (memory (export "mem") ${memType} 1)
+            (data (offset ${fancyZero}) "hi")
+        )`).exports;
+        const str = String.fromCharCode(...new Uint8Array(mem.buffer).slice(0, 2));
+        assertEq(str, 'hi');
+    } catch (e) {
+        const { getOffset } = wasmEvalText(`(module
+            (func (export "getOffset") (result ${memType})
+                ${fancyZero}
+            )
+        )`).exports;
+        console.log('Computed offset:', getOffset());
+        throw e;
+    }
+}
+
+// Do plus one minus one a thousand times
+testFancyZeroOffset('i32.const 0 ' + (
+    '(i32.add (i32.const 1)) '
+    + '(i32.sub (i32.const 1)) '
+).repeat(1000));
+
+// Do some jank fibonacci
+{
+    let fib = '(i32.const 1)\n'
+    let a = 1; let b = 1; let next;
+    for (let i = 0; i < 45; i++) {
+        fib += `(i32.const ${a})\n`;
+        fib += '(i32.add)\n';
+        next = a + b;
+        a = b;
+        b = next;
+    }
+    fib += `(i32.sub (i32.const ${next}))\n`;
+    testFancyZeroOffset(fib);
+}
+
+// Run the collatz conjecture as long as possible
+{
+    let val = 837799; // should reach 1 in 524 steps
+    let expr = `(i32.const ${val})\n`;
+    while (val != 1) {
+        if (val % 2 == 0) {
+            expr += `(i32.sub (i32.const ${val / 2}))\n`; // we can't divide in constant expressions lol
+            val /= 2;
+        } else {
+            expr += `(i32.mul (i32.const 3))\n`;
+            expr += `(i32.add (i32.const 1))\n`;
+            val = val * 3 + 1;
+        }
+    }
+    expr += `(i32.sub (i32.const 1))\n`;
+    testFancyZeroOffset(expr);
+}
+
+// The collatz conjecture would be even more fun with 64-bit numbers...
+if (wasmMemory64Enabled()) {
+    let val = 1899148184679; // should reach 1 in 1411 steps
+    let expr = `(i64.const ${val})\n`;
+    while (val != 1) {
+        if (val % 2 == 0) {
+            expr += `(i64.sub (i64.const ${val / 2}))\n`; // we can't divide in constant expressions lol
+            val /= 2;
+        } else {
+            expr += `(i64.mul (i64.const 3))\n`;
+            expr += `(i64.add (i64.const 1))\n`;
+            val = val * 3 + 1;
+        }
+    }
+    expr += `(i64.sub (i64.const 1))\n`;
+    testFancyZeroOffset(expr, 'i64');
+}
-- 
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