diff options
| 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/PPCSubtarget.cpp | |
| parent | 9ad0f4907b3ba0916a8b6cdb95d298d2ddb7d405 (diff) | |
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/PPCSubtarget.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp index b793c37de8..57e18ed07e 100644 --- a/lib/Target/PowerPC/PPCSubtarget.cpp +++ b/lib/Target/PowerPC/PPCSubtarget.cpp @@ -39,6 +39,7 @@ PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU, , HasQPX(false) , HasFSQRT(false) , HasSTFIWX(false) + , HasLFIWAX(false) , HasFPRND(false) , HasISEL(false) , HasPOPCNTD(false) |