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-rw-r--r--llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp19
1 files changed, 9 insertions, 10 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
index 139b867efe0..475574ca083 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp
@@ -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;
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