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JitRegCache: Add RCOpArg::ExtractWithByteOffset

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This commit is contained in:
MerryMage 2018-10-15 21:00:48 +01:00
parent ae1bd7a6b0
commit 367a0bb672
2 changed files with 16 additions and 0 deletions
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13
Source/Core/Core/PowerPC/Jit64/RegCache/JitRegCache.cpp
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@ -110,6 +110,19 @@ OpArg RCOpArg::Location() const
return {};
}
OpArg RCOpArg::ExtractWithByteOffset(int offset)
{
if (offset == 0)
return Location();
ASSERT(rc);
const preg_t preg = std::get<preg_t>(contents);
rc->StoreFromRegister(preg, RegCache::FlushMode::MaintainState);
OpArg result = rc->GetDefaultLocation(preg);
result.AddMemOffset(offset);
return result;
}
void RCOpArg::Unlock()
{
if (const preg_t* preg = std::get_if<preg_t>(&contents))

3
Source/Core/Core/PowerPC/Jit64/RegCache/JitRegCache.h
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@ -47,6 +47,9 @@ public:
bool IsSimpleReg(Gen::X64Reg reg) const { return Location().IsSimpleReg(reg); }
Gen::X64Reg GetSimpleReg() const { return Location().GetSimpleReg(); }
// Use to extract bytes from a register using the regcache. offset is in bytes.
Gen::OpArg ExtractWithByteOffset(int offset);
void Unlock();
bool IsImm() const;