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// Copyright 2021 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.
#if V8_TARGET_ARCH_LOONG64
#include "src/codegen/loong64/constants-loong64.h"
namespace v8 {
namespace internal {
// -----------------------------------------------------------------------------
// Registers.
// These register names are defined in a way to match the native disassembler
// formatting. See for example the command "objdump -d <binary file>".
const char* Registers::names_[kNumSimuRegisters] = {
"zero_reg", "ra", "tp", "sp", "a0", "a1", "a2", "a3", "a4", "a5", "a6",
"a7", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "x_reg",
"fp", "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "pc"};
// List of alias names which can be used when referring to registers.
const Registers::RegisterAlias Registers::aliases_[] = {
{0, "zero"}, {30, "cp"}, {kInvalidRegister, nullptr}};
const char* Registers::Name(int reg) {
const char* result;
if ((0 <= reg) && (reg < kNumSimuRegisters)) {
result = names_[reg];
} else {
result = "noreg";
}
return result;
}
int Registers::Number(const char* name) {
// Look through the canonical names.
for (int i = 0; i < kNumSimuRegisters; i++) {
if (strcmp(names_[i], name) == 0) {
return i;
}
}
// Look through the alias names.
int i = 0;
while (aliases_[i].reg != kInvalidRegister) {
if (strcmp(aliases_[i].name, name) == 0) {
return aliases_[i].reg;
}
i++;
}
// No register with the reguested name found.
return kInvalidRegister;
}
const char* FPURegisters::names_[kNumFPURegisters] = {
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10",
"f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21",
"f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"};
// List of alias names which can be used when referring to LoongArch registers.
const FPURegisters::RegisterAlias FPURegisters::aliases_[] = {
{kInvalidRegister, nullptr}};
const char* FPURegisters::Name(int creg) {
const char* result;
if ((0 <= creg) && (creg < kNumFPURegisters)) {
result = names_[creg];
} else {
result = "nocreg";
}
return result;
}
int FPURegisters::Number(const char* name) {
// Look through the canonical names.
for (int i = 0; i < kNumFPURegisters; i++) {
if (strcmp(names_[i], name) == 0) {
return i;
}
}
// Look through the alias names.
int i = 0;
while (aliases_[i].creg != kInvalidRegister) {
if (strcmp(aliases_[i].name, name) == 0) {
return aliases_[i].creg;
}
i++;
}
// No Cregister with the reguested name found.
return kInvalidFPURegister;
}
} // namespace internal
} // namespace v8
#endif // V8_TARGET_ARCH_LOONG64