diff options
Diffstat (limited to 'lib/Target/X86/AsmParser/X86AsmParser.cpp')
| -rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index 7098c58cde..4856cc9283 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -813,7 +813,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, if (getLexer().is(AsmToken::EndOfStatement)) Parser.Lex(); // Consume the EndOfStatement - // FIXME: Hack to handle recognize s{hr,ar,hl} <op>, $1. Canonicalize to + // FIXME: Hack to handle recognize s{hr,ar,hl} $1, <op>. Canonicalize to // "shift <op>". if ((Name.startswith("shr") || Name.startswith("sar") || Name.startswith("shl")) && @@ -825,6 +825,14 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, Operands.erase(Operands.begin() + 1); } } + + // FIXME: Hack to handle recognize "rc[lr] <op>" -> "rcl $1, <op>". + if ((Name.startswith("rcl") || Name.startswith("rcr")) && + Operands.size() == 2) { + const MCExpr *One = MCConstantExpr::Create(1, getParser().getContext()); + Operands.push_back(X86Operand::CreateImm(One, NameLoc, NameLoc)); + std::swap(Operands[1], Operands[2]); + } // FIXME: Hack to handle recognize "in[bwl] <op>". Canonicalize it to // "inb <op>, %al". |