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cast_util: Add FptrCast

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Reduce unnecessary type duplication when casting a lambda to a function pointer.
This commit is contained in:
MerryMage 2020-04-04 10:57:41 +01:00
parent fe583aa076
commit bd88286b21
7 changed files with 38 additions and 26 deletions
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6
src/backend/x64/emit_x64_vector_floating_point.cpp
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@ -1005,7 +1005,7 @@ static void EmitFPVectorMulX(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst
FCODE(mulp)(result, xmm_b);
FCODE(cmpunordp)(nan_mask, result);
const auto nan_handler = static_cast<void(*)(std::array<VectorArray<FPT>, 3>&, FP::FPCR)>(
const auto nan_handler = Common::FptrCast(
[](std::array<VectorArray<FPT>, 3>& values, FP::FPCR fpcr) {
VectorArray<FPT>& result = values[0];
for (size_t elementi = 0; elementi < result.size(); ++elementi) {
@ -1217,7 +1217,7 @@ void EmitFPVectorRoundInt(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst) {
[](auto arg) {
return std::pair{
mp::lower_to_tuple_v<decltype(arg)>,
static_cast<void(*)(VectorArray<FPT>&, const VectorArray<FPT>&, FP::FPCR, FP::FPSR&)>(
Common::FptrCast(
[](VectorArray<FPT>& output, const VectorArray<FPT>& input, FP::FPCR fpcr, FP::FPSR& fpsr) {
constexpr auto t = mp::lower_to_tuple_v<decltype(arg)>;
constexpr FP::RoundingMode rounding_mode = std::get<0>(t);
@ -1476,7 +1476,7 @@ void EmitFPVectorToFixed(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst) {
[](auto arg) {
return std::pair{
mp::lower_to_tuple_v<decltype(arg)>,
static_cast<void(*)(VectorArray<FPT>&, const VectorArray<FPT>&, FP::FPCR, FP::FPSR&)>(
Common::FptrCast(
[](VectorArray<FPT>& output, const VectorArray<FPT>& input, FP::FPCR fpcr, FP::FPSR& fpsr) {
constexpr auto t = mp::lower_to_tuple_v<decltype(arg)>;
constexpr size_t fbits = std::get<0>(t);