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.h | |
| 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.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h index bf5bd844c0..3958bc9c00 100644 --- a/lib/Target/PowerPC/PPCSubtarget.h +++ b/lib/Target/PowerPC/PPCSubtarget.h @@ -78,6 +78,7 @@ protected: bool HasQPX; bool HasFSQRT; bool HasSTFIWX; + bool HasLFIWAX; bool HasFPRND; bool HasISEL; bool HasPOPCNTD; @@ -158,6 +159,7 @@ public: // Specific obvious features. bool hasFSQRT() const { return HasFSQRT; } bool hasSTFIWX() const { return HasSTFIWX; } + bool hasLFIWAX() const { return HasLFIWAX; } bool hasFPRND() const { return HasFPRND; } bool hasAltivec() const { return HasAltivec; } bool hasQPX() const { return HasQPX; } |