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IR: Initial implementation of FP{Double,Single}ToFixed{S,U}{32,64}

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This implementation just falls-back to the software floating point implementation.
This commit is contained in:
MerryMage
2018-06-30 10:49:47 +01:00
parent 760cc3ca89
commit caaf36dfd6
12 changed files with 159 additions and 173 deletions
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8
src/frontend/A32/translate/translate_arm/vfp2.cpp
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@@ -442,8 +442,8 @@ bool ArmTranslatorVisitor::vfp2_VCVT_to_u32(Cond cond, bool D, size_t Vd, bool s
if (ConditionPassed(cond)) {
auto reg_m = ir.GetExtendedRegister(m);
auto result = sz
? ir.FPDoubleToU32(reg_m, round_towards_zero, true)
: ir.FPSingleToU32(reg_m, round_towards_zero, true);
? ir.FPDoubleToFixedU32(reg_m, 0, round_towards_zero ? FP::RoundingMode::TowardsZero : ir.current_location.FPSCR().RMode())
: ir.FPSingleToFixedU32(reg_m, 0, round_towards_zero ? FP::RoundingMode::TowardsZero : ir.current_location.FPSCR().RMode());
ir.SetExtendedRegister(d, result);
}
return true;
@@ -457,8 +457,8 @@ bool ArmTranslatorVisitor::vfp2_VCVT_to_s32(Cond cond, bool D, size_t Vd, bool s
if (ConditionPassed(cond)) {
auto reg_m = ir.GetExtendedRegister(m);
auto result = sz
? ir.FPDoubleToS32(reg_m, round_towards_zero, true)
: ir.FPSingleToS32(reg_m, round_towards_zero, true);
? ir.FPDoubleToFixedS32(reg_m, 0, round_towards_zero ? FP::RoundingMode::TowardsZero : ir.current_location.FPSCR().RMode())
: ir.FPSingleToFixedS32(reg_m, 0, round_towards_zero ? FP::RoundingMode::TowardsZero : ir.current_location.FPSCR().RMode());
ir.SetExtendedRegister(d, result);
}
return true;