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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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38
external/llvm/lib/Support/ARMWinEH.cpp vendored
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@ -1,38 +0,0 @@
//===-- ARMWinEH.cpp - Windows on ARM EH Support Functions ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/ARMWinEH.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
namespace ARM {
namespace WinEH {
std::pair<uint16_t, uint32_t> SavedRegisterMask(const RuntimeFunction &RF) {
uint8_t NumRegisters = RF.Reg();
uint8_t RegistersVFP = RF.R();
uint8_t LinkRegister = RF.L();
uint8_t ChainedFrame = RF.C();
uint16_t GPRMask = (ChainedFrame << 11) | (LinkRegister << 14);
uint32_t VFPMask = 0;
if (RegistersVFP)
VFPMask |= (((1 << ((NumRegisters + 1) % 8)) - 1) << 8);
else
GPRMask |= (((1 << (NumRegisters + 1)) - 1) << 4);
if (PrologueFolding(RF))
GPRMask |= (((1 << (NumRegisters + 1)) - 1) << (~RF.StackAdjust() & 0x3));
return std::make_pair(GPRMask, VFPMask);
}
}
}
}