diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-08 00:58:38 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-08 00:58:38 +0000 |
| commit | 95cf661534ff6c24e5dba4d156842a00b6af8499 (patch) | |
| tree | de7a94e33d8a94211cf1e8f56c3b5b32ec731ceb /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | d2ab5fd713eb933c48876c1cb9f627a99c64f2b9 (diff) | |
| download | bcm5719-llvm-95cf661534ff6c24e5dba4d156842a00b6af8499.tar.gz bcm5719-llvm-95cf661534ff6c24e5dba4d156842a00b6af8499.zip | |
Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions.
llvm-svn: 48042
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 22ddd832954..7c70d043bf3 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -287,6 +287,9 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) setOperationAction(ISD::MEMSET , MVT::Other, Custom); setOperationAction(ISD::MEMCPY , MVT::Other, Custom); + if (!Subtarget->hasSSE1()) + setOperationAction(ISD::PREFETCH , MVT::Other, Expand); + if (!Subtarget->hasSSE2()) setOperationAction(ISD::MEMBARRIER , MVT::Other, Expand); |
