llvm-6502/lib/Target/Mips/MipsABIInfo.cpp
Daniel Sanders 46c098238e [mips] Remove MipsCC::reservedArgArea() in favour of MipsABIInfo::GetCalleeAllocdArgSizeInBytes(). NFC.
Summary:

Reviewers: theraven, vmedic

Reviewed By: vmedic

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6115


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221528 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-07 15:03:53 +00:00

46 lines
1.3 KiB
C++

//===---- 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");
}