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Clean up the Legal/Expand logic for SPARC popc.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2014-01-26 08:12:34 +00:00
parent 5356e75b5b
commit 9df203d30e
3 changed files with 10 additions and 7 deletions
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9
lib/Target/Sparc/SparcISelLowering.cpp
View File

@ -1463,8 +1463,8 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
setOperationAction(ISD::BR_CC, MVT::i64, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i64, Custom);
if (Subtarget->usePopc())
setOperationAction(ISD::CTPOP, MVT::i64, Legal);
setOperationAction(ISD::CTPOP, MVT::i64,
Subtarget->usePopc() ? Legal : Expand);
setOperationAction(ISD::CTTZ , MVT::i64, Expand);
setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::i64, Expand);
setOperationAction(ISD::CTLZ , MVT::i64, Expand);
@ -1520,7 +1520,6 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
setOperationAction(ISD::FSINCOS, MVT::f32, Expand);
setOperationAction(ISD::FREM , MVT::f32, Expand);
setOperationAction(ISD::FMA , MVT::f32, Expand);
setOperationAction(ISD::CTPOP, MVT::i32, Expand);
setOperationAction(ISD::CTTZ , MVT::i32, Expand);
setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::i32, Expand);
setOperationAction(ISD::CTLZ , MVT::i32, Expand);
@ -1570,8 +1569,8 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
setStackPointerRegisterToSaveRestore(SP::O6);
if (Subtarget->isV9() && Subtarget->usePopc())
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
setOperationAction(ISD::CTPOP, MVT::i32,
Subtarget->usePopc() ? Legal : Expand);
if (Subtarget->isV9() && Subtarget->hasHardQuad()) {
setOperationAction(ISD::LOAD, MVT::f128, Legal);

4
lib/Target/Sparc/SparcSubtarget.cpp
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@ -41,6 +41,10 @@ SparcSubtarget::SparcSubtarget(const std::string &TT, const std::string &CPU,
// Parse features string.
ParseSubtargetFeatures(CPUName, FS);
// Popc is a v9-only instruction.
if (!IsV9)
UsePopc = false;
}

4
test/CodeGen/SPARC/64bit.ll
View File

@ -1,5 +1,5 @@
; RUN: llc < %s -march=sparcv9 -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s
; RUN: llc < %s -march=sparcv9 | FileCheck %s -check-prefix=OPT
; RUN: llc < %s -march=sparcv9 -mattr=+popc -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s
; RUN: llc < %s -march=sparcv9 -mattr=+popc | FileCheck %s -check-prefix=OPT
; CHECK-LABEL: ret2:
; CHECK: or %g0, %i1, %i0