1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/memory-arm64-ion-codegen.js b/js/src/jit-test/tests/wasm/memory-arm64-ion-codegen.js
new file mode 100644
index 0000000000..48ad75aa11
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/memory-arm64-ion-codegen.js
@@ -0,0 +1,56 @@
+// |jit-test| skip-if: !hasDisassembler() || wasmCompileMode() != "ion" || !getBuildConfiguration().arm64; include:codegen-arm64-test.js
+
+// Test that loads/stores at friendly constant offsets yield expected code
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (result i32)
+         (i32.load (i32.const 4000))))`,
+    'f',
+    'b94fa2a0  ldr  w0, \\[x21, #4000\\]');
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (result i32)
+         (i32.load offset=1000 (i32.const 3000))))`,
+    'f',
+    'b94fa2a0  ldr  w0, \\[x21, #4000\\]');
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (param i32)
+         (i32.store (i32.const 4000) (local.get 0))))`,
+    'f',
+    'b90fa2a0  str w0, \\[x21, #4000\\]');
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (param i32)
+         (i32.store offset=1000 (i32.const 3000) (local.get 0))))`,
+    'f',
+    'b90fa2a0  str w0, \\[x21, #4000\\]');
+
+// Unfriendly offsets are first loaded into a scratch register
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (result i32)
+         (i32.load (i32.const 4001))))`,
+    'f',
+    `d281f430  mov     x16, #0xfa1
+     b8706aa0  ldr     w0, \\[x21, x16\\]`);
+
+codegenTestARM64_adhoc(
+    `(module
+       (memory 1)
+       (func (export "f") (param i32)
+         (i32.store (i32.const 4001) (local.get 0))))`,
+    'f',
+    `d281f430  mov     x16, #0xfa1
+     b8306aa0  str     w0, \\[x21, x16\\]`);
+