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-rw-r--r--js/src/wasm/WasmAnyRef.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/js/src/wasm/WasmAnyRef.h b/js/src/wasm/WasmAnyRef.h
index 1675a9fa8d..cbd3fe75e0 100644
--- a/js/src/wasm/WasmAnyRef.h
+++ b/js/src/wasm/WasmAnyRef.h
@@ -208,16 +208,19 @@ class AnyRef {
// losslessly represent all i31 values.
static AnyRef fromUint32Truncate(uint32_t value) {
// See 64-bit GPRs carrying 32-bit values invariants in MacroAssember.h
-#if defined(JS_CODEGEN_X64) || defined(JS_CODEGEN_ARM64)
+#if defined(JS_CODEGEN_NONE) || defined(JS_CODEGEN_X64) || \
+ defined(JS_CODEGEN_ARM64)
// Truncate the value to the 31-bit value size.
uintptr_t wideValue = uintptr_t(value & 0x7FFFFFFF);
#elif defined(JS_CODEGEN_LOONG64) || defined(JS_CODEGEN_MIPS64) || \
defined(JS_CODEGEN_RISCV64)
// Sign extend the value to the native pointer size.
uintptr_t wideValue = uintptr_t(int64_t((uint64_t(value) << 33)) >> 33);
-#else
+#elif !defined(JS_64BIT)
// Transfer 32-bit value as is.
uintptr_t wideValue = (uintptr_t)value;
+#else
+# error "unknown architecture"
#endif
// Left shift the value by 1, truncating the high bit.