diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index 90bd4e3d1b..7d62c466b2 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -856,6 +856,16 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, std::swap(Operands[1], Operands[2]); } + // The assembler accepts "testX <reg>, <mem>" and "testX <mem>, <reg>" as + // synonyms. Our tables only have the "<mem>, <reg>" form, so if we see the + // other operand order, swap them. + if (Name == "testb" || Name == "testw" || Name == "testl" || Name == "testq") + if (Operands.size() == 3 && + static_cast<X86Operand*>(Operands[1])->isReg() && + static_cast<X86Operand*>(Operands[2])->isMem()) { + std::swap(Operands[1], Operands[2]); + } + return false; } |