diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.td | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 18cb4d1a2cb..314fed564c2 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -43006,6 +43006,14 @@ X86TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI, if (StringRef("{flags}").equals_lower(Constraint)) return std::make_pair(X86::EFLAGS, &X86::CCRRegClass); + // dirflag -> DF + if (StringRef("{dirflag}").equals_lower(Constraint)) + return std::make_pair(X86::DF, &X86::DFCCRRegClass); + + // fpsr -> FPSW + if (StringRef("{fpsr}").equals_lower(Constraint)) + return std::make_pair(X86::FPSW, &X86::FPCCRRegClass); + // 'A' means [ER]AX + [ER]DX. if (Constraint == "A") { if (Subtarget.is64Bit()) diff --git a/llvm/lib/Target/X86/X86RegisterInfo.td b/llvm/lib/Target/X86/X86RegisterInfo.td index 1deae9aa40d..50aa84ba284 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.td +++ b/llvm/lib/Target/X86/X86RegisterInfo.td @@ -287,7 +287,7 @@ def ST6 : X86Reg<"st(6)", 6>, DwarfRegNum<[39, 18, 17]>; def ST7 : X86Reg<"st(7)", 7>, DwarfRegNum<[40, 19, 18]>; // Floating-point status word -def FPSW : X86Reg<"fpsw", 0>; +def FPSW : X86Reg<"fpsr", 0>; // Status flags register. // |
