emitter: Remove unused code

src/common/x64/emitter.cpp

@@ -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
 //There is no PUSHAD/POPAD in 64-bit mode.
 void XEmitter::INT3() {Write8(0xCC);}

src/common/x64/emitter.h

@@ -328,8 +328,6 @@ enum SSECompare
     ORD,
 };
 
-typedef const u8* JumpTarget;
-
 class XEmitter
 {
     friend struct OpArg;  // for Write8 etc
@@ -434,7 +432,6 @@ public:
     void CALLptr(OpArg arg);
 
     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 SetJumpTarget(const FixupBranch& branch);
@@ -640,23 +637,6 @@ public:
     // SSE/SSE2: Useful alternative to shuffle in some cases.
     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.
     void HADDPS(X64Reg dest, const OpArg& src);