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improve and fix NonStupidBitfield also get rid of some UB

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fixes optimised lto clang build
This commit is contained in:
RSDuck
2021-02-09 19:24:57 +01:00
parent 1112162e99
commit 6256a42e00
3 changed files with 93 additions and 57 deletions
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18
src/GPU.cpp
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@ -1187,7 +1187,7 @@ NonStupidBitField<Size/VRAMDirtyGranularity> VRAMTrackingSet<Size, MappingGranul
{
if (currentMappings[i] != Mapping[i])
{
result |= NonStupidBitField<Size/VRAMDirtyGranularity>(i*VRAMBitsPerMapping, VRAMBitsPerMapping);
result.SetRange(i*VRAMBitsPerMapping, VRAMBitsPerMapping);
banksToBeZeroed |= currentMappings[i];
Mapping[i] = currentMappings[i];
}
@ -1209,19 +1209,19 @@ NonStupidBitField<Size/VRAMDirtyGranularity> VRAMTrackingSet<Size, MappingGranul
if (MappingGranularity == 16*1024)
{
u32 dirty = ((u32*)VRAMDirty[num].Data)[i & (VRAMMask[num] >> 14)];
((u32*)result.Data)[i] |= dirty;
result.Data[i / 2] |= (u64)dirty << ((i&1)*32);
}
else if (MappingGranularity == 8*1024)
{
u16 dirty = ((u16*)VRAMDirty[num].Data)[i & (VRAMMask[num] >> 13)];
((u16*)result.Data)[i] |= dirty;
result.Data[i / 4] |= (u64)dirty << ((i&3)*16);
}
else if (MappingGranularity == 128*1024)
{
((u64*)result.Data)[i * 4 + 0] |= ((u64*)VRAMDirty[num].Data)[0];
((u64*)result.Data)[i * 4 + 1] |= ((u64*)VRAMDirty[num].Data)[1];
((u64*)result.Data)[i * 4 + 2] |= ((u64*)VRAMDirty[num].Data)[2];
((u64*)result.Data)[i * 4 + 3] |= ((u64*)VRAMDirty[num].Data)[3];
result.Data[i * 4 + 0] |= VRAMDirty[num].Data[0];
result.Data[i * 4 + 1] |= VRAMDirty[num].Data[1];
result.Data[i * 4 + 2] |= VRAMDirty[num].Data[2];
result.Data[i * 4 + 3] |= VRAMDirty[num].Data[3];
}
else
{
@ -1236,7 +1236,7 @@ NonStupidBitField<Size/VRAMDirtyGranularity> VRAMTrackingSet<Size, MappingGranul
{
u32 num = __builtin_ctz(banksToBeZeroed);
banksToBeZeroed &= ~(1 << num);
memset(VRAMDirty[num].Data, 0, sizeof(VRAMDirty[num].Data));
VRAMDirty[num].Clear();
}
return result;
@ -1266,7 +1266,7 @@ void SyncDirtyFlags(u32* mappings, NonStupidBitField<Size>& writtenFlags)
mapping &= ~(1 << num);
}
}
memset(writtenFlags.Data, 0, sizeof(writtenFlags.Data));
writtenFlags.Clear();
}
void SyncDirtyFlags()