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x64: add support for some x87 instructions

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This commit is contained in:
Tillmann Karras
2014-01-25 18:38:06 +01:00
parent 47d17aef80
commit c25c4a6e20
2 changed files with 31 additions and 2 deletions
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12
Source/Core/Common/x64Emitter.h
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@ -97,6 +97,12 @@ enum NormalOp {
nrmXCHG,
};
enum FloatOp {
floatLD = 0,
floatST = 2,
floatSTP = 3,
};
class XEmitter;
// RIP addressing does not benefit from micro op fusion on Core arch
@ -115,6 +121,7 @@ struct OpArg
void WriteRex(XEmitter *emit, int opBits, int bits, int customOp = -1) const;
void WriteVex(XEmitter* emit, int size, int packed, Gen::X64Reg regOp1, X64Reg regOp2) const;
void WriteRest(XEmitter *emit, int extraBytes=0, X64Reg operandReg=(X64Reg)0xFF, bool warn_64bit_offset = true) const;
void WriteFloatModRM(XEmitter *emit, FloatOp op);
void WriteSingleByteOp(XEmitter *emit, u8 op, X64Reg operandReg, int bits);
// This one is public - must be written to
u64 offset; // use RIP-relative as much as possible - 64-bit immediates are not available.
@ -244,6 +251,7 @@ private:
void WriteSSEOp(int size, u8 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
void WriteAVXOp(int size, u8 sseOp, bool packed, X64Reg regOp, OpArg arg, int extrabytes = 0);
void WriteAVXOp(int size, u8 sseOp, bool packed, X64Reg regOp1, X64Reg regOp2, OpArg arg, int extrabytes = 0);
void WriteFloatLoadStore(int bits, FloatOp op, OpArg arg);
void WriteNormalOp(XEmitter *emit, int bits, NormalOp op, const OpArg &a1, const OpArg &a2);
protected:
@ -424,6 +432,10 @@ public:
void REP();
void REPNE();
// x87
void FLD(int bits, OpArg src);
void FST(int bits, OpArg dest);
void FSTP(int bits, OpArg dest);
void FWAIT();
// SSE/SSE2: Floating point arithmetic