Provide expansion for ct* intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76311 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 2365d59..b1d42cb 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -106,6 +106,13 @@
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
+ setOperationAction(ISD::CTPOP, MVT::i32, Expand);
+ setOperationAction(ISD::CTPOP, MVT::i64, Expand);
+ setOperationAction(ISD::CTTZ, MVT::i32, Expand);
+ setOperationAction(ISD::CTTZ, MVT::i64, Expand);
+ setOperationAction(ISD::CTLZ, MVT::i32, Promote);
+ setOperationAction(ISD::CTLZ, MVT::i64, Legal);
+
// FIXME: Can we lower these 2 efficiently?
setOperationAction(ISD::SETCC, MVT::i32, Expand);
setOperationAction(ISD::SETCC, MVT::i64, Expand);
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 8985169..03b6441 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -942,6 +942,15 @@
} // Defs = [PSW]
//===----------------------------------------------------------------------===//
+// Other crazy stuff
+let Defs = [PSW] in {
+def FLOGR64 : RREI<0xB983,
+ (outs GR128:$dst), (ins GR64:$src),
+ "flogr\t{$dst, $src}",
+ []>;
+} // Defs = [PSW]
+
+//===----------------------------------------------------------------------===//
// Non-Instruction Patterns.
//===----------------------------------------------------------------------===//
@@ -1003,3 +1012,6 @@
GR64:$src1, subreg_odd),
GR64:$src2),
subreg_even)>;
+
+def : Pat<(ctlz GR64:$src),
+ (EXTRACT_SUBREG (FLOGR64 GR64:$src), subreg_even)>;