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[X86] Localize a temporary variable into the cases its need in. NFC 

llvm-svn: 262310
This commit is contained in:
Craig Topper 2016-03-01 06:42:48 +00:00
parent b8c29b4ae9
commit 5c8dc5f064
1 changed files with 9 additions and 10 deletions
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19
llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
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@ -1228,7 +1228,6 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
if (TSFlags & X86II::Has3DNow0F0FOpcode)
BaseOpcode = 0x0F; // Weird 3DNow! encoding.
unsigned SrcRegNum = 0;
switch (TSFlags & X86II::FormMask) {
default: errs() << "FORM: " << (TSFlags & X86II::FormMask) << "\n";
llvm_unreachable("Unknown FormMask value in X86MCCodeEmitter!");
@ -1307,9 +1306,9 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
EmitByte(BaseOpcode + GetX86RegNum(MI.getOperand(CurOp++)), CurByte, OS);
break;
case X86II::MRMDestReg:
case X86II::MRMDestReg: {
EmitByte(BaseOpcode, CurByte, OS);
SrcRegNum = CurOp + 1;
unsigned SrcRegNum = CurOp + 1;
if (HasEVEX_K) // Skip writemask
++SrcRegNum;
@ -1321,10 +1320,10 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
GetX86RegNum(MI.getOperand(SrcRegNum)), CurByte, OS);
CurOp = SrcRegNum + 1;
break;
case X86II::MRMDestMem:
}
case X86II::MRMDestMem: {
EmitByte(BaseOpcode, CurByte, OS);
SrcRegNum = CurOp + X86::AddrNumOperands;
unsigned SrcRegNum = CurOp + X86::AddrNumOperands;
if (HasEVEX_K) // Skip writemask
++SrcRegNum;
@ -1337,10 +1336,10 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
TSFlags, CurByte, OS, Fixups, STI);
CurOp = SrcRegNum + 1;
break;
case X86II::MRMSrcReg:
}
case X86II::MRMSrcReg: {
EmitByte(BaseOpcode, CurByte, OS);
SrcRegNum = CurOp + 1;
unsigned SrcRegNum = CurOp + 1;
if (HasEVEX_K) // Skip writemask
++SrcRegNum;
@ -1362,7 +1361,7 @@ encodeInstruction(const MCInst &MI, raw_ostream &OS,
if (HasEVEX_RC)
--NumOps;
break;
}
case X86II::MRMSrcMem: {
int AddrOperands = X86::AddrNumOperands;
unsigned FirstMemOp = CurOp+1;