diff options
| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-09-27 23:52:58 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-09-27 23:52:58 +0000 |
| commit | 6a2fa325c1763a0fb27eceaa78b3a9bf683416bf (patch) | |
| tree | 6f1b31c52cf85ce37ae6a044454cf75fb9b39d0d /lib/Target/ARM/ARMInstrInfo.cpp | |
| parent | 1edaef62a4a0e6166ab30a54150bca2362ad1c5e (diff) | |
Use movt/movw pair to materialize 32 bit constants on ARMv6T2+.
This should be better than single load from constpool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82948 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp index 4c92891c82..15c3c393c3 100644 --- a/lib/Target/ARM/ARMInstrInfo.cpp +++ b/lib/Target/ARM/ARMInstrInfo.cpp @@ -96,6 +96,9 @@ reMaterialize(MachineBasicBlock &MBB, MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig); MI->getOperand(0).setReg(DestReg); + if (Orig->getOpcode() == ARM::MOVTi16) + MI->getOperand(1).setReg(DestReg); + MBB.insert(I, MI); } |