Exverge/suyu
3
0
Fork 0
forked from suyu/suyu
Code Pull requests Activity

emitter: Remove unused code

Browse source
This commit is contained in:
Lioncash 2015-08-20 04:28:39 -04:00
parent 8738963bce
commit e88dc7fc6d
2 changed files with 0 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/common/x64/emitter.cpp
View file

@ -512,30 +512,6 @@ void XEmitter::SetJumpTarget(const FixupBranch& branch)
} }
} }
// INC/DEC considered harmful on newer CPUs due to partial flag set.
// Use ADD, SUB instead.
/*
void XEmitter::INC(int bits, OpArg arg)
{
if (arg.IsImm()) ASSERT_MSG(0, "INC - Imm argument");
arg.operandReg = 0;
if (bits == 16) {Write8(0x66);}
arg.WriteRex(this, bits, bits);
Write8(bits == 8 ? 0xFE : 0xFF);
arg.WriteRest(this);
}
void XEmitter::DEC(int bits, OpArg arg)
{
if (arg.IsImm()) ASSERT_MSG(0, "DEC - Imm argument");
arg.operandReg = 1;
if (bits == 16) {Write8(0x66);}
arg.WriteRex(this, bits, bits);
Write8(bits == 8 ? 0xFE : 0xFF);
arg.WriteRest(this);
}
*/
//Single byte opcodes //Single byte opcodes
//There is no PUSHAD/POPAD in 64-bit mode. //There is no PUSHAD/POPAD in 64-bit mode.
void XEmitter::INT3() {Write8(0xCC);} void XEmitter::INT3() {Write8(0xCC);}

20
src/common/x64/emitter.h
View file

@ -328,8 +328,6 @@ enum SSECompare
ORD, ORD,
}; };
typedef const u8* JumpTarget;
class XEmitter class XEmitter
{ {
friend struct OpArg; // for Write8 etc friend struct OpArg; // for Write8 etc
@ -434,7 +432,6 @@ public:
void CALLptr(OpArg arg); void CALLptr(OpArg arg);
FixupBranch J_CC(CCFlags conditionCode, bool force5bytes = false); FixupBranch J_CC(CCFlags conditionCode, bool force5bytes = false);
//void J_CC(CCFlags conditionCode, JumpTarget target);
void J_CC(CCFlags conditionCode, const u8* addr, bool force5Bytes = false); void J_CC(CCFlags conditionCode, const u8* addr, bool force5Bytes = false);
void SetJumpTarget(const FixupBranch& branch); void SetJumpTarget(const FixupBranch& branch);
@ -640,23 +637,6 @@ public:
// SSE/SSE2: Useful alternative to shuffle in some cases. // SSE/SSE2: Useful alternative to shuffle in some cases.
void MOVDDUP(X64Reg regOp, const OpArg& arg); void MOVDDUP(X64Reg regOp, const OpArg& arg);
// TODO: Actually implement
#if 0
// SSE3: Horizontal operations in SIMD registers. Could be useful for various VFPU things like dot products...
void ADDSUBPS(X64Reg dest, const OpArg& src);
void ADDSUBPD(X64Reg dest, const OpArg& src);
void HADDPD(X64Reg dest, const OpArg& src);
void HSUBPS(X64Reg dest, const OpArg& src);
void HSUBPD(X64Reg dest, const OpArg& src);
// SSE4: Further horizontal operations - dot products. These are weirdly flexible, the arg contains both a read mask and a write "mask".
void DPPD(X64Reg dest, const OpArg& src, u8 arg);
// These are probably useful for VFPU emulation.
void INSERTPS(X64Reg dest, const OpArg& src, u8 arg);
void EXTRACTPS(const OpArg& dest, X64Reg src, u8 arg);
#endif
// SSE3: Horizontal operations in SIMD registers. Very slow! shufps-based code beats it handily on Ivy. // SSE3: Horizontal operations in SIMD registers. Very slow! shufps-based code beats it handily on Ivy.
void HADDPS(X64Reg dest, const OpArg& src); void HADDPS(X64Reg dest, const OpArg& src);