diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp new file mode 100644 index 0000000..f885369 --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsABIInfo.cpp @@ -0,0 +1,45 @@ +//===---- MipsABIInfo.cpp - Information about MIPS ABI's ------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "MipsABIInfo.h" +#include "MipsRegisterInfo.h" + +using namespace llvm; + +namespace { +static const MCPhysReg O32IntRegs[4] = {Mips::A0, Mips::A1, Mips::A2, Mips::A3}; + +static const MCPhysReg Mips64IntRegs[8] = { + Mips::A0_64, Mips::A1_64, Mips::A2_64, Mips::A3_64, + Mips::T0_64, Mips::T1_64, Mips::T2_64, Mips::T3_64}; +} + +const ArrayRef<MCPhysReg> MipsABIInfo::GetByValArgRegs() const { + if (IsO32()) + return makeArrayRef(O32IntRegs); + if (IsN32() || IsN64()) + return makeArrayRef(Mips64IntRegs); + llvm_unreachable("Unhandled ABI"); +} + +const ArrayRef<MCPhysReg> MipsABIInfo::GetVarArgRegs() const { + if (IsO32()) + return makeArrayRef(O32IntRegs); + if (IsN32() || IsN64()) + return makeArrayRef(Mips64IntRegs); + llvm_unreachable("Unhandled ABI"); +} + +unsigned MipsABIInfo::GetCalleeAllocdArgSizeInBytes(CallingConv::ID CC) const { + if (IsO32()) + return CC != CallingConv::Fast ? 16 : 0; + if (IsN32() || IsN64() || IsEABI()) + return 0; + llvm_unreachable("Unhandled ABI"); +} |