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xbyak_abi: Register indexes should be unsigned

master
MerryMage 2020-06-15 19:02:06 +07:00
parent d563017dfe
commit 36362e9695
1 changed files with 12 additions and 11 deletions
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23
src/common/x64/xbyak_abi.h
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@ -11,7 +11,7 @@
namespace Common::X64 {
inline int RegToIndex(const Xbyak::Reg& reg) {
inline std::size_t RegToIndex(const Xbyak::Reg& reg) {
using Kind = Xbyak::Reg::Kind;
ASSERT_MSG((reg.getKind() & (Kind::REG | Kind::XMM)) != 0,
"RegSet only support GPRs and XMM registers.");
@ -19,17 +19,17 @@ inline int RegToIndex(const Xbyak::Reg& reg) {
return reg.getIdx() + (reg.getKind() == Kind::REG ? 0 : 16);
}
inline Xbyak::Reg64 IndexToReg64(int reg_index) {
inline Xbyak::Reg64 IndexToReg64(std::size_t reg_index) {
ASSERT(reg_index < 16);
return Xbyak::Reg64(reg_index);
return Xbyak::Reg64(static_cast<int>(reg_index));
}
inline Xbyak::Xmm IndexToXmm(int reg_index) {
inline Xbyak::Xmm IndexToXmm(std::size_t reg_index) {
ASSERT(reg_index >= 16 && reg_index < 32);
return Xbyak::Xmm(reg_index - 16);
return Xbyak::Xmm(static_cast<int>(reg_index - 16));
}
inline Xbyak::Reg IndexToReg(int reg_index) {
inline Xbyak::Reg IndexToReg(std::size_t reg_index) {
if (reg_index < 16) {
return IndexToReg64(reg_index);
} else {
@ -181,7 +181,7 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::b
for (std::size_t i = 0; i < regs.size(); ++i) {
if (regs[i] && ABI_ALL_GPRS[i]) {
code.push(IndexToReg64(static_cast<int>(i)));
code.push(IndexToReg64(i));
}
}
@ -191,7 +191,7 @@ inline size_t ABI_PushRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::b
for (std::size_t i = 0; i < regs.size(); ++i) {
if (regs[i] && ABI_ALL_XMMS[i]) {
code.movaps(code.xword[code.rsp + xmm_offset], IndexToXmm(static_cast<int>(i)));
code.movaps(code.xword[code.rsp + xmm_offset], IndexToXmm(i));
xmm_offset += 0x10;
}
}
@ -206,7 +206,7 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bits
for (std::size_t i = 0; i < regs.size(); ++i) {
if (regs[i] && ABI_ALL_XMMS[i]) {
code.movaps(IndexToXmm(static_cast<int>(i)), code.xword[code.rsp + xmm_offset]);
code.movaps(IndexToXmm(i), code.xword[code.rsp + xmm_offset]);
xmm_offset += 0x10;
}
}
@ -216,8 +216,9 @@ inline void ABI_PopRegistersAndAdjustStack(Xbyak::CodeGenerator& code, std::bits
}
// GPRs need to be popped in reverse order
for (int i = 15; i >= 0; i--) {
if (regs[i]) {
for (std::size_t j = 0; j < regs.size(); ++j) {
const std::size_t i = regs.size() - j - 1;
if (regs[i] && ABI_ALL_GPRS[i]) {
code.pop(IndexToReg64(i));
}
}