commit 8049ab15e4b638a07d6f230329945c2310eca27b
author Hal Finkel <hfinkel@anl.gov> Sun Mar 31 10:12:51 2013 +0000
committer Hal Finkel <hfinkel@anl.gov> Sun Mar 31 10:12:51 2013 +0000
tree 89ddcf3d670a9c7f4fafe2db694222cabdd48485
parent 9ad0f4907b3ba0916a8b6cdb95d298d2ddb7d405

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

lib/Target/PowerPC/PPCSubtarget.cpp

diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index b793c37..57e18ed 100644
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -39,6 +39,7 @@
   , HasQPX(false)
   , HasFSQRT(false)
   , HasSTFIWX(false)
+  , HasLFIWAX(false)
   , HasFPRND(false)
   , HasISEL(false)
   , HasPOPCNTD(false)