1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit/riscv64/extension/extension-riscv-m.h b/js/src/jit/riscv64/extension/extension-riscv-m.h
new file mode 100644
index 0000000000..7c2c932516
--- /dev/null
+++ b/js/src/jit/riscv64/extension/extension-riscv-m.h
@@ -0,0 +1,37 @@
+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef jit_riscv64_extension_Extension_riscv_m_h_
+#define jit_riscv64_extension_Extension_riscv_m_h_
+#include "mozilla/Assertions.h"
+
+#include <stdint.h>
+
+#include "jit/riscv64/extension/base-assembler-riscv.h"
+#include "jit/riscv64/Register-riscv64.h"
+namespace js {
+namespace jit {
+class AssemblerRISCVM : public AssemblerRiscvBase {
+  // RV32M Standard Extension
+ public:
+  void mul(Register rd, Register rs1, Register rs2);
+  void mulh(Register rd, Register rs1, Register rs2);
+  void mulhsu(Register rd, Register rs1, Register rs2);
+  void mulhu(Register rd, Register rs1, Register rs2);
+  void div(Register rd, Register rs1, Register rs2);
+  void divu(Register rd, Register rs1, Register rs2);
+  void rem(Register rd, Register rs1, Register rs2);
+  void remu(Register rd, Register rs1, Register rs2);
+#ifdef JS_CODEGEN_RISCV64
+  // RV64M Standard Extension (in addition to RV32M)
+  void mulw(Register rd, Register rs1, Register rs2);
+  void divw(Register rd, Register rs1, Register rs2);
+  void divuw(Register rd, Register rs1, Register rs2);
+  void remw(Register rd, Register rs1, Register rs2);
+  void remuw(Register rd, Register rs1, Register rs2);
+#endif
+};
+}  // namespace jit
+}  // namespace js
+#endif  // jit_riscv64_extension_Extension_riscv_M_h_