RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 03:23:01 +02:00
Code Issues Projects Releases Wiki Activity

Add method adjustAlignment so that stack slot alignments can be computed

Browse Source 
in a target-dependent manner (because of the dang OFFSET in Sparc v9).

llvm-svn: 3745
This commit is contained in:
Vikram S. Adve 2002-09-16 15:57:43 +00:00
parent d43591bbc5
commit 4aad6090ae
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/llvm/Target/TargetFrameInfo.h
View File

@ -19,7 +19,6 @@ struct MachineFrameInfo : public NonCopyableV {
public:
MachineFrameInfo(const TargetMachine& tgt) : target(tgt) {}
//
// These methods provide constant parameters of the frame layout.
//
virtual int getStackFrameSizeAlignment () const = 0;
@ -27,8 +26,15 @@ public:
virtual int getNumFixedOutgoingArgs () const = 0;
virtual int getSizeOfEachArgOnStack () const = 0;
virtual bool argsOnStackHaveFixedSize () const = 0;
//
// This method adjusts a stack offset to meet alignment rules of target.
//
virtual int adjustAlignment (int unalignedOffset,
bool growUp,
unsigned int align) const {
return unalignedOffset + (growUp? +1:-1)*(unalignedOffset % align);
}
// These methods compute offsets using the frame contents for a
// particular method. The frame contents are obtained from the
// MachineCodeInfoForMethod object for the given method.