diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index 19d9470639..e20f1e3895 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -819,6 +819,13 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.push_back(X86Operand::CreateReg(Op->getReg(), Op->getStartLoc(), Op->getEndLoc())); } + + // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same + // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity + // errors, since its encoding is the most compact. + if (Name == "sldt" && Operands.size() == 2 && + static_cast<X86Operand*>(Operands[1])->isMem()) + Operands[0] = X86Operand::CreateToken("sldtw", NameLoc); return false; } |