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A32: Implement VFPv5 VRINTX

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This commit is contained in:
MerryMage 2020-06-24 22:31:58 +01:00
parent 46445d0866
commit ed48a9d7d5
4 changed files with 23 additions and 0 deletions
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1
src/frontend/A32/decoder/vfp.inc
View file

@ -28,6 +28,7 @@ INST(vfp_VCMP, "VCMP", "cccc11101D110100dddd101zE
INST(vfp_VCMP_zero, "VCMP (with zero)", "cccc11101D110101dddd101zE1000000") // VFPv2
INST(vfp_VRINTR, "VRINTR", "cccc11101D110110dddd101z01M0mmmm") // VFPv5
INST(vfp_VRINTZ, "VRINTZ", "cccc11101D110110dddd101z11M0mmmm") // VFPv5
INST(vfp_VRINTX, "VRINTX", "cccc11101D110111dddd101z01M0mmmm") // VFPv5
INST(vfp_VCVT_f_to_f, "VCVT (f32<->f64)", "cccc11101D110111dddd101z11M0mmmm") // VFPv2
INST(vfp_VCVT_from_int, "VCVT (from int)", "cccc11101D111000dddd101zs1M0mmmm") // VFPv2
INST(vfp_VCVT_from_fixed, "VCVT (from fixed)", "cccc11101D11101Udddd101zx1i0vvvv") // VFPv3

4
src/frontend/A32/disassembler/disassembler_arm.cpp
View file

@ -1428,6 +1428,10 @@ public:
return fmt::format("vrintz{} {}, {}", CondToString(cond), FPRegStr(sz, Vd, D), FPRegStr(sz, Vm, M));
}
std::string vfp_VRINTX(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm) {
return fmt::format("vrintx{} {}, {}", CondToString(cond), FPRegStr(sz, Vd, D), FPRegStr(sz, Vm, M));
}
std::string vfp_VCVT_f_to_f(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm) {
return fmt::format("vcvt{}.{}.{} {}, {}", CondToString(cond), !sz ? "f64" : "f32", sz ? "f64" : "f32", FPRegStr(!sz, Vd, D), FPRegStr(sz, Vm, M));
}

1
src/frontend/A32/translate/impl/translate_arm.h
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@ -425,6 +425,7 @@ struct ArmTranslatorVisitor final {
bool vfp_VCMP_zero(Cond cond, bool D, size_t Vd, bool sz, bool E);
bool vfp_VRINTR(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm);
bool vfp_VRINTZ(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm);
bool vfp_VRINTX(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm);
bool vfp_VCVT_f_to_f(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm);
bool vfp_VCVT_from_int(Cond cond, bool D, size_t Vd, bool sz, bool is_signed, bool M, size_t Vm);
bool vfp_VCVT_from_fixed(Cond cond, bool D, bool U, size_t Vd, bool sz, bool sx, Imm<1> i, Imm<4> imm4);

17
src/frontend/A32/translate/impl/vfp.cpp
View file

@ -916,6 +916,23 @@ bool ArmTranslatorVisitor::vfp_VRINTZ(Cond cond, bool D, size_t Vd, bool sz, boo
return true;
}
// VRINTX.{F16,F32} <Sd>, <Sm>
// VRINTX.F64 <Dd>, <Dm>
bool ArmTranslatorVisitor::vfp_VRINTX(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm) {
if (!ConditionPassed(cond)) {
return true;
}
const auto d = ToExtReg(sz, Vd, D);
const auto m = ToExtReg(sz, Vm, M);
const auto reg_m = ir.GetExtendedRegister(m);
const auto rounding_mode = ir.current_location.FPSCR().RMode();
const auto result = ir.FPRoundInt(reg_m, rounding_mode, true);
ir.SetExtendedRegister(d, result);
return true;
}
// VCVT<c>.F64.F32 <Dd>, <Sm>
// VCVT<c>.F32.F64 <Sd>, <Dm>
bool ArmTranslatorVisitor::vfp_VCVT_f_to_f(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm) {