extension-riscv-m.cc

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// 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.
#include "src/codegen/riscv/extension-riscv-m.h"
 
namespace v8 {
namespace internal {
// RV32M Standard Extension
 
void AssemblerRISCVM::mul(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b000, rd, rs1, rs2);
}
 
void AssemblerRISCVM::mulh(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b001, rd, rs1, rs2);
}
 
void AssemblerRISCVM::mulhsu(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b010, rd, rs1, rs2);
}
 
void AssemblerRISCVM::mulhu(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b011, rd, rs1, rs2);
}
 
void AssemblerRISCVM::div(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b100, rd, rs1, rs2);
}
 
void AssemblerRISCVM::divu(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b101, rd, rs1, rs2);
}
 
void AssemblerRISCVM::rem(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b110, rd, rs1, rs2);
}
 
void AssemblerRISCVM::remu(Register rd, Register rs1, Register rs2) {
  GenInstrALU_rr(0b0000001, 0b111, rd, rs1, rs2);
}
 
#ifdef V8_TARGET_ARCH_RISCV64
// RV64M Standard Extension (in addition to RV32M)
 
void AssemblerRISCVM::mulw(Register rd, Register rs1, Register rs2) {
  GenInstrALUW_rr(0b0000001, 0b000, rd, rs1, rs2);
}
 
void AssemblerRISCVM::divw(Register rd, Register rs1, Register rs2) {
  GenInstrALUW_rr(0b0000001, 0b100, rd, rs1, rs2);
}
 
void AssemblerRISCVM::divuw(Register rd, Register rs1, Register rs2) {
  GenInstrALUW_rr(0b0000001, 0b101, rd, rs1, rs2);
}
 
void AssemblerRISCVM::remw(Register rd, Register rs1, Register rs2) {
  GenInstrALUW_rr(0b0000001, 0b110, rd, rs1, rs2);
}
 
void AssemblerRISCVM::remuw(Register rd, Register rs1, Register rs2) {
  GenInstrALUW_rr(0b0000001, 0b111, rd, rs1, rs2);
}
#endif
}  // namespace internal
}  // namespace v8