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When allocating space on stack for writing a register,

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use the size of the register, not the size of the Value type,
to get the right alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve
2001-11-12 23:26:35 +00:00
parent e492c9d4d1
commit 00521d79bf
5 changed files with 27 additions and 11 deletions
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16
lib/Target/SparcV9/SparcV9TargetMachine.cpp
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@@ -193,7 +193,8 @@ UltraSparcSchedInfo::initializeResources()
//
// Purpose:
// Interface to stack frame layout info for the UltraSPARC.
// Note that there is no machine-independent interface to this information
// Starting offsets for each area of the stack frame are aligned at
// a multiple of getStackFrameSizeAlignment().
//---------------------------------------------------------------------------
int
@@ -210,7 +211,9 @@ UltraSparcFrameInfo::getRegSpillAreaOffset(MachineCodeForMethod& mcInfo,
{
pos = false; // static stack area grows downwards
unsigned int autoVarsSize = mcInfo.getAutomaticVarsSize();
return StaticAreaOffsetFromFP - autoVarsSize;
if (int mod = autoVarsSize % getStackFrameSizeAlignment())
autoVarsSize += (getStackFrameSizeAlignment() - mod);
return StaticAreaOffsetFromFP - autoVarsSize;
}
int
@@ -220,7 +223,10 @@ UltraSparcFrameInfo::getTmpAreaOffset(MachineCodeForMethod& mcInfo,
pos = false; // static stack area grows downwards
unsigned int autoVarsSize = mcInfo.getAutomaticVarsSize();
unsigned int spillAreaSize = mcInfo.getRegSpillsSize();
return StaticAreaOffsetFromFP - (autoVarsSize + spillAreaSize);
int offset = autoVarsSize + spillAreaSize;
if (int mod = offset % getStackFrameSizeAlignment())
offset += (getStackFrameSizeAlignment() - mod);
return StaticAreaOffsetFromFP - offset;
}
int
@@ -229,7 +235,9 @@ UltraSparcFrameInfo::getDynamicAreaOffset(MachineCodeForMethod& mcInfo,
{
// dynamic stack area grows downwards starting at top of opt-args area
unsigned int optArgsSize = mcInfo.getMaxOptionalArgsSize();
return optArgsSize + FirstOptionalOutgoingArgOffsetFromSP;
int offset = optArgsSize + FirstOptionalOutgoingArgOffsetFromSP;
assert(offset % getStackFrameSizeAlignment() == 0);
return offset;
}