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| author | Hal Finkel <hfinkel@anl.gov> | 2013-03-31 10:12:51 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2013-03-31 10:12:51 +0000 |
| commit | 8049ab15e4b638a07d6f230329945c2310eca27b (patch) | |
| tree | 89ddcf3d670a9c7f4fafe2db694222cabdd48485 /lib/Target/PowerPC/PPCRegisterInfo.cpp | |
| parent | 9ad0f4907b3ba0916a8b6cdb95d298d2ddb7d405 (diff) | |
| download | external_llvm-8049ab15e4b638a07d6f230329945c2310eca27b.zip external_llvm-8049ab15e4b638a07d6f230329945c2310eca27b.tar.gz external_llvm-8049ab15e4b638a07d6f230329945c2310eca27b.tar.bz2 | |
Add the PPC lfiwax instruction
This instruction is available on modern PPC64 CPUs, and is now used
to improve the SINT_TO_FP lowering (by eliminating the need for the
separate sign extension instruction and decreasing the amount of
needed stack space).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178446 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 482a3bc..67cf136 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -528,6 +528,7 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, bool noImmForm = false; switch (OpC) { + case PPC::LFIWAX: case PPC::LVEBX: case PPC::LVEHX: case PPC::LVEWX: |