Compute correct frame sizes for SPARC v9 64-bit frames.
The save area is twice as big and there is no struct return slot. The
stack pointer is always 16-byte aligned (after adding the bias).
Also eliminate the stack adjustment instructions around calls when the
function has a reserved stack frame.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179083 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcFrameLowering.h b/lib/Target/Sparc/SparcFrameLowering.h
index 464233e..c375662 100644
--- a/lib/Target/Sparc/SparcFrameLowering.h
+++ b/lib/Target/Sparc/SparcFrameLowering.h
@@ -22,10 +22,12 @@
class SparcSubtarget;
class SparcFrameLowering : public TargetFrameLowering {
+ const SparcSubtarget &SubTarget;
public:
- explicit SparcFrameLowering(const SparcSubtarget &/*sti*/)
- : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 8, 0) {
- }
+ explicit SparcFrameLowering(const SparcSubtarget &ST)
+ : TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
+ ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8),
+ SubTarget(ST) {}
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.