aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/Alpha/AlphaRegisterInfo.cpp
diff options
context:
space:
mode:
authorAndrew Lenharth <andrewl@lenharth.org>2006-01-25 01:51:08 +0000
committerAndrew Lenharth <andrewl@lenharth.org>2006-01-25 01:51:08 +0000
commit23918975bfc0864392af0ab5d59952978edbe690 (patch)
tree9a7dd8315dab5cf1556ffdac99d2fa117331f608 /lib/Target/Alpha/AlphaRegisterInfo.cpp
parent50d1e8b70d1499e4a5aeba0a92ae9d33712e5f9e (diff)
downloadexternal_llvm-23918975bfc0864392af0ab5d59952978edbe690.zip
external_llvm-23918975bfc0864392af0ab5d59952978edbe690.tar.gz
external_llvm-23918975bfc0864392af0ab5d59952978edbe690.tar.bz2
maintaining stackpointer alignment. Perhaps it doesn't matter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25592 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Alpha/AlphaRegisterInfo.cpp')
-rw-r--r--lib/Target/Alpha/AlphaRegisterInfo.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index 1438073..fb93922 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -257,6 +257,7 @@ AlphaRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
" for stack size: " << MF.getFrameInfo()->getStackSize() << "\n");
if (Offset > IMM_HIGH || Offset < IMM_LOW) {
+ std::cerr << "Unconditionally using R28 for evil purposes\n";
//so in this case, we need to use a temporary register, and move the original
//inst off the SP/FP
//fix up the old:
@@ -311,6 +312,9 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
// Do we need to allocate space on the stack?
if (NumBytes == 0) return;
+ unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
+ NumBytes = (NumBytes+Align-1)/Align*Align;
+
// Update frame info to pretend that this is part of the stack...
MFI->setStackSize(NumBytes);