6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-19 04:32:19 +00:00
Code Issues Projects Releases Wiki Activity

Don't pad spills and temp. stack areas for alignment.

Browse Source 
Freeze auto vars and spill areas when their sizes are used
for computing other offsets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2002-04-25 04:43:45 +00:00
parent 31f78c4f6b
commit 0bc0516078
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Target/SparcV9/SparcV9TargetMachine.cpp
View File

@ -57,10 +57,10 @@ int
UltraSparcFrameInfo::getRegSpillAreaOffset(MachineCodeForMethod& mcInfo,
bool& pos) const
{
mcInfo.freezeAutomaticVarsArea(); // ensure no more auto vars are added
pos = false; // static stack area grows downwards
unsigned int autoVarsSize = mcInfo.getAutomaticVarsSize();
if (int mod = autoVarsSize % getStackFrameSizeAlignment())
autoVarsSize += (getStackFrameSizeAlignment() - mod);
return StaticAreaOffsetFromFP - autoVarsSize;
}
@ -68,12 +68,13 @@ int
UltraSparcFrameInfo::getTmpAreaOffset(MachineCodeForMethod& mcInfo,
bool& pos) const
{
mcInfo.freezeAutomaticVarsArea(); // ensure no more auto vars are added
mcInfo.freezeSpillsArea(); // ensure no more spill slots are added
pos = false; // static stack area grows downwards
unsigned int autoVarsSize = mcInfo.getAutomaticVarsSize();
unsigned int spillAreaSize = mcInfo.getRegSpillsSize();
int offset = autoVarsSize + spillAreaSize;
if (int mod = offset % getStackFrameSizeAlignment())
offset += (getStackFrameSizeAlignment() - mod);
return StaticAreaOffsetFromFP - offset;
}