Merge pull request #7783 from lioncash/abi-cexpr

common/xbyak_api: Make BuildRegSet() constexpr
master
Morph 2022-01-27 10:29:34 +07:00 committed by GitHub
commit 8a244dd3d3
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2 changed files with 9 additions and 9 deletions

@ -37,12 +37,12 @@ constexpr Xbyak::Reg IndexToReg(size_t reg_index) {
}
}
inline std::bitset<32> BuildRegSet(std::initializer_list<Xbyak::Reg> regs) {
std::bitset<32> bits;
constexpr std::bitset<32> BuildRegSet(std::initializer_list<Xbyak::Reg> regs) {
size_t bits = 0;
for (const Xbyak::Reg& reg : regs) {
bits[RegToIndex(reg)] = true;
bits |= size_t{1} << RegToIndex(reg);
}
return bits;
return {bits};
}
constexpr inline std::bitset<32> ABI_ALL_GPRS(0x0000FFFF);
@ -57,7 +57,7 @@ constexpr inline Xbyak::Reg ABI_PARAM2 = Xbyak::util::rdx;
constexpr inline Xbyak::Reg ABI_PARAM3 = Xbyak::util::r8;
constexpr inline Xbyak::Reg ABI_PARAM4 = Xbyak::util::r9;
const std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
constexpr inline std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
// GPRs
Xbyak::util::rcx,
Xbyak::util::rdx,
@ -74,7 +74,7 @@ const std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
Xbyak::util::xmm5,
});
const std::bitset<32> ABI_ALL_CALLEE_SAVED = BuildRegSet({
constexpr inline std::bitset<32> ABI_ALL_CALLEE_SAVED = BuildRegSet({
// GPRs
Xbyak::util::rbx,
Xbyak::util::rsi,
@ -108,7 +108,7 @@ constexpr inline Xbyak::Reg ABI_PARAM2 = Xbyak::util::rsi;
constexpr inline Xbyak::Reg ABI_PARAM3 = Xbyak::util::rdx;
constexpr inline Xbyak::Reg ABI_PARAM4 = Xbyak::util::rcx;
const std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
constexpr inline std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
// GPRs
Xbyak::util::rcx,
Xbyak::util::rdx,
@ -137,7 +137,7 @@ const std::bitset<32> ABI_ALL_CALLER_SAVED = BuildRegSet({
Xbyak::util::xmm15,
});
const std::bitset<32> ABI_ALL_CALLEE_SAVED = BuildRegSet({
constexpr inline std::bitset<32> ABI_ALL_CALLEE_SAVED = BuildRegSet({
// GPRs
Xbyak::util::rbx,
Xbyak::util::rbp,

@ -29,7 +29,7 @@ constexpr Xbyak::Reg64 PARAMETERS = Xbyak::util::r12;
constexpr Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
constexpr Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
const std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
constexpr std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
STATE,
RESULT,
PARAMETERS,