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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-03 15:51:39 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-03 15:51:39 +0000 |
| commit | 99b925bdf38840a43ed0f57c37fec389f0388148 (patch) | |
| tree | 1cb1f3fd745494a2a15ebe62667ea1b9269f6788 /llvm/lib/Support | |
| parent | b339c6dcc07bbd3c60bb42f05566323b973107d9 (diff) | |
| download | bcm5719-llvm-99b925bdf38840a43ed0f57c37fec389f0388148.tar.gz bcm5719-llvm-99b925bdf38840a43ed0f57c37fec389f0388148.zip | |
[X86][LWP] Add llvm support for LWP instructions (reapplied).
This patch adds support for the the LightWeight Profiling (LWP) instructions which are available on all AMD Bulldozer class CPUs (bdver1 to bdver4).
Reapplied - this time without changing line endings of existing files.
Differential Revision: https://reviews.llvm.org/D32769
llvm-svn: 302041
Diffstat (limited to 'llvm/lib/Support')
| -rw-r--r-- | llvm/lib/Support/Host.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp index 970ecfd7df9..6a0b64fb884 100644 --- a/llvm/lib/Support/Host.cpp +++ b/llvm/lib/Support/Host.cpp @@ -1363,6 +1363,7 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { Features["sse4a"] = HasExtLeaf1 && ((ECX >> 6) & 1); Features["prfchw"] = HasExtLeaf1 && ((ECX >> 8) & 1); Features["xop"] = HasExtLeaf1 && ((ECX >> 11) & 1) && HasAVXSave; + Features["lwp"] = HasExtLeaf1 && ((ECX >> 15) & 1); Features["fma4"] = HasExtLeaf1 && ((ECX >> 16) & 1) && HasAVXSave; Features["tbm"] = HasExtLeaf1 && ((ECX >> 21) & 1); Features["mwaitx"] = HasExtLeaf1 && ((ECX >> 29) & 1); |
