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authorAndrew Lenharth <andrewl@lenharth.org>2005-05-03 17:19:30 +0000
committerAndrew Lenharth <andrewl@lenharth.org>2005-05-03 17:19:30 +0000
commit5e177826fd3361216755107400e43fc53dd35e94 (patch)
treebb0d2a683d6c1876be30e99b4c8a743d608106e1 /llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp
parentf436286cf66e81f79a24f49ed89af867c43e898b (diff)
downloadbcm5719-llvm-5e177826fd3361216755107400e43fc53dd35e94.tar.gz
bcm5719-llvm-5e177826fd3361216755107400e43fc53dd35e94.zip
Implement count leading zeros (ctlz), count trailing zeros (cttz), and count
population (ctpop). Generic lowering is implemented, however only promotion is implemented for SelectionDAG at the moment. More coming soon. llvm-svn: 21676
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp')
-rw-r--r--llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp b/llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp
index 8614a24743c..25fbb98acdf 100644
--- a/llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp
+++ b/llvm/lib/Target/PowerPC/PPC64ISelPattern.cpp
@@ -68,6 +68,11 @@ namespace {
setOperationAction(ISD::SREM, MVT::i64, Expand);
setOperationAction(ISD::UREM, MVT::i64, Expand);
+ // PowerPC has these, but they are not implemented
+ setOperationAction(ISD::CTPOP, MVT::i64, Expand);
+ setOperationAction(ISD::CTTZ , MVT::i64, Expand);
+ setOperationAction(ISD::CTTZ , MVT::i64, Expand);
+
setShiftAmountFlavor(Extend); // shl X, 32 == 0
addLegalFPImmediate(+0.0); // Necessary for FSEL
addLegalFPImmediate(-0.0); //
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