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Provide expansion for ct* intrinsics

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-07-18 12:26:13 +00:00
parent e37a37de77
commit 0cca06905b
2 changed files with 19 additions and 0 deletions
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7
lib/Target/SystemZ/SystemZISelLowering.cpp
View File

@ -106,6 +106,13 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
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);

12
lib/Target/SystemZ/SystemZInstrInfo.td
View File

@ -941,6 +941,15 @@ def UCMPZX64rm32 : RXYI<0xE331,
} // Defs = [PSW]
//===----------------------------------------------------------------------===//
// Other crazy stuff
let Defs = [PSW] in {
def FLOGR64 : RREI<0xB983,
(outs GR128:$dst), (ins GR64:$src),
"flogr\t{$dst, $src}",
[]>;
} // Defs = [PSW]
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns.
//===----------------------------------------------------------------------===//
@ -1003,3 +1012,6 @@ def : Pat<(mulhu GR64:$src1, GR64:$src2),
GR64:$src1, subreg_odd),
GR64:$src2),
subreg_even)>;
def : Pat<(ctlz GR64:$src),
(EXTRACT_SUBREG (FLOGR64 GR64:$src), subreg_even)>;