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backend/x64: Add vfpclass constants

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Bit-wise constants for use with the `vfpclass` instruction.
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Wunkolo 2021-06-01 10:21:53 -07:00 committed by merry
parent c82e29ed82
commit 8fde505943
1 changed files with 12 additions and 0 deletions
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12
src/dynarmic/backend/x64/constants.h
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@ -46,6 +46,18 @@ constexpr u8 b = 0b11001100;
constexpr u8 c = 0b10101010;
} // namespace Tern
// For use as a bitmask with vfpclass instruction
namespace FpClass {
constexpr u8 QNaN = 0b00000001;
constexpr u8 ZeroPos = 0b00000010;
constexpr u8 ZeroNeg = 0b00000100;
constexpr u8 InfPos = 0b00001000;
constexpr u8 InfNeg = 0b00010000;
constexpr u8 Denormal = 0b00100000;
constexpr u8 Negative = 0b01000000; // Negative finite value
constexpr u8 SNaN = 0b10000000;
} // namespace FpClass
// Opcodes for use with vfixupimm
enum class FpFixup : u8 {
A = 0b0000, // A