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authorRichard Sandiford <rsandifo@linux.vnet.ibm.com>2013-10-01 14:56:23 +0000
committerRichard Sandiford <rsandifo@linux.vnet.ibm.com>2013-10-01 14:56:23 +0000
commit185ef05ad6fdcaad1e831020b1f88d0046dd15d6 (patch)
tree08ebf3788fe3c4a93e07dbc8102b136e5cc9dff4 /lib/Target/SystemZ/SystemZInstrInfo.cpp
parentad366a3f67679a56d25464dc2bcad3a0a6a51780 (diff)
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[SystemZ] Add comparisons of large immediates using high words
There are no corresponding patterns for small immediates because they would prevent the use of fused compare-and-branch instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191775 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZInstrInfo.cpp')
-rw-r--r--lib/Target/SystemZ/SystemZInstrInfo.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index acefd9c8fe..9b50a3c684 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -966,6 +966,14 @@ SystemZInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const {
expandRIPseudo(MI, SystemZ::AFI, SystemZ::AIH, false);
return true;
+ case SystemZ::CFIMux:
+ expandRIPseudo(MI, SystemZ::CFI, SystemZ::CIH, false);
+ return true;
+
+ case SystemZ::CLFIMux:
+ expandRIPseudo(MI, SystemZ::CLFI, SystemZ::CLIH, false);
+ return true;
+
case SystemZ::RISBMux: {
bool DestIsHigh = isHighReg(MI->getOperand(0).getReg());
bool SrcIsHigh = isHighReg(MI->getOperand(2).getReg());