frederik
/
oscar64
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Load/Store constant offset propagation across basic blocks

This commit is contained in:
drmortalwombat 2021-09-21 22:49:04 +02:00
parent 603b62b9d3
commit 9ec846c506
1 changed files with 36 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
oscar64/InterCode.cpp
View File

@ -2692,21 +2692,46 @@ void InterCodeBasicBlock::PerformMachineSpecificValueUsageCheck(const GrowingIns
if (!mVisited)
{
GrowingInstructionPtrArray ltvalue(tvalue);
if (mLoopHead)
{
ltvalue.Clear();
}
#if 0
else if (mNumEntries > 1)
{
lvalues.FlushAll();
ltvalue.Clear();
}
#endif
else if (mNumEntries > 0)
{
if (mNumEntered > 0)
{
for (int i = 0; i < ltvalue.Size(); i++)
{
if (mMergeTValues[i] != ltvalue[i])
ltvalue[i] = nullptr;
}
}
mNumEntered++;
if (mNumEntered < mNumEntries)
{
mMergeTValues = ltvalue;
return;
}
}
mVisited = true;
GrowingInstructionPtrArray ltvalue(tvalue);
tvalid.Clear();
if (mNumEntries != 1)
ltvalue.Clear();
else
for (i = 0; i < ltvalue.Size(); i++)
{
for (i = 0; i < tvalue.Size(); i++)
{
if (ltvalue[i])
tvalid += i;
}
if (ltvalue[i])
tvalid += i;
}
for (i = 0; i < mInstructions.Size(); i++)