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path: root/lib/Target/X86/X86CodeEmitter.cpp
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Diffstat (limited to 'lib/Target/X86/X86CodeEmitter.cpp')
-rw-r--r--lib/Target/X86/X86CodeEmitter.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 579bf9b3e6..d0f69b5afb 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -212,6 +212,7 @@ static unsigned determineREX(const MachineInstr &MI) {
}
break;
}
+ case X86II::MRMXm:
case X86II::MRM0m: case X86II::MRM1m:
case X86II::MRM2m: case X86II::MRM3m:
case X86II::MRM4m: case X86II::MRM5m:
@@ -1295,6 +1296,7 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
break;
}
+ case X86II::MRMXr:
case X86II::MRM0r: case X86II::MRM1r:
case X86II::MRM2r: case X86II::MRM3r:
case X86II::MRM4r: case X86II::MRM5r:
@@ -1302,8 +1304,9 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
if (HasVEX_4V) // Skip the register dst (which is encoded in VEX_VVVV).
++CurOp;
MCE.emitByte(BaseOpcode);
+ uint64_t Form = (Desc->TSFlags & X86II::FormMask);
emitRegModRMByte(MI.getOperand(CurOp++).getReg(),
- (Desc->TSFlags & X86II::FormMask)-X86II::MRM0r);
+ (Form == X86II::MRMXr) ? 0 : Form-X86II::MRM0r);
if (CurOp == NumOps)
break;
@@ -1332,6 +1335,7 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
break;
}
+ case X86II::MRMXm:
case X86II::MRM0m: case X86II::MRM1m:
case X86II::MRM2m: case X86II::MRM3m:
case X86II::MRM4m: case X86II::MRM5m:
@@ -1343,7 +1347,8 @@ void Emitter<CodeEmitter>::emitInstruction(MachineInstr &MI,
X86II::getSizeOfImm(Desc->TSFlags) : 4) : 0;
MCE.emitByte(BaseOpcode);
- emitMemModRMByte(MI, CurOp, (Desc->TSFlags & X86II::FormMask)-X86II::MRM0m,
+ uint64_t Form = (Desc->TSFlags & X86II::FormMask);
+ emitMemModRMByte(MI, CurOp, (Form==X86II::MRMXm) ? 0 : Form - X86II::MRM0m,
PCAdj);
CurOp += X86::AddrNumOperands;