diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/AsmParser/X86AsmParser.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp index c8b25cea30..3ecf273a08 100644 --- a/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -921,8 +921,10 @@ ParseInstruction(StringRef Name, SMLoc NameLoc, } // FIXME: Hack to handle "f{mulp,addp} st(0), $op" the same as - // "f{mulp,addp} $op", since they commute. - if ((Name == "fmulp" || Name == "faddp") && Operands.size() == 3 && + // "f{mulp,addp} $op", since they commute. We also allow fdivrp/fsubrp even + // though they don't commute, solely because gas does support this. + if ((Name=="fmulp" || Name=="faddp" || Name=="fsubrp" || Name=="fdivrp") && + Operands.size() == 3 && static_cast<X86Operand*>(Operands[1])->isReg() && static_cast<X86Operand*>(Operands[1])->getReg() == X86::ST0) { delete Operands[1]; |