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IR: Simplify FP{Single,Double}ToFixed{U,S}{32,64}

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This commit is contained in:
MerryMage 2018-09-05 20:12:37 +01:00
parent d4b739359b
commit 3415828fb4
7 changed files with 48 additions and 100 deletions
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24
src/frontend/A64/translate/impl/floating_point_conversion_integer.cpp
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@ -134,14 +134,10 @@ static bool FloaingPointConvertSignedInteger(TranslatorVisitor& v, bool sf, Imm<
const IR::U32U64 fltval = v.V_scalar(*fltsize, Vn);
IR::U32U64 intval;
if (intsize == 32 && *fltsize == 32) {
intval = v.ir.FPSingleToFixedS32(fltval, 0, rounding_mode);
} else if (intsize == 32 && *fltsize == 64) {
intval = v.ir.FPDoubleToFixedS32(fltval, 0, rounding_mode);
} else if (intsize == 64 && *fltsize == 32) {
intval = v.ir.FPSingleToFixedS64(fltval, 0, rounding_mode);
} else if (intsize == 64 && *fltsize == 64) {
intval = v.ir.FPDoubleToFixedS64(fltval, 0, rounding_mode);
if (intsize == 32) {
intval = v.ir.FPToFixedS32(fltval, 0, rounding_mode);
} else if (intsize == 64) {
intval = v.ir.FPToFixedS64(fltval, 0, rounding_mode);
} else {
UNREACHABLE();
}
@ -161,14 +157,10 @@ static bool FloaingPointConvertUnsignedInteger(TranslatorVisitor& v, bool sf, Im
const IR::U32U64 fltval = v.V_scalar(*fltsize, Vn);
IR::U32U64 intval;
if (intsize == 32 && *fltsize == 32) {
intval = v.ir.FPSingleToFixedU32(fltval, 0, rounding_mode);
} else if (intsize == 32 && *fltsize == 64) {
intval = v.ir.FPDoubleToFixedU32(fltval, 0, rounding_mode);
} else if (intsize == 64 && *fltsize == 32) {
intval = v.ir.FPSingleToFixedU64(fltval, 0, rounding_mode);
} else if (intsize == 64 && *fltsize == 64) {
intval = v.ir.FPDoubleToFixedU64(fltval, 0, rounding_mode);
if (intsize == 32) {
intval = v.ir.FPToFixedU32(fltval, 0, rounding_mode);
} else if (intsize == 64) {
intval = v.ir.FPToFixedU64(fltval, 0, rounding_mode);
} else {
UNREACHABLE();
}