[PATCH] D43418: [X86] Add 'sahf' to getHostCPUFeatures so -march=native will pick it up correctly.

[Phabricator via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL325439: [X86] Add 'sahf' to getHostCPUFeatures so -march=native will pick it up… (authored by ctopper, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D43418?vs=134750&id=134804#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D43418

Files:
  llvm/trunk/lib/Support/Host.cpp


Index: llvm/trunk/lib/Support/Host.cpp
===================================================================
--- llvm/trunk/lib/Support/Host.cpp
+++ llvm/trunk/lib/Support/Host.cpp
@@ -1206,6 +1206,7 @@
 
   bool HasExtLeaf1 = MaxExtLevel >= 0x80000001 &&
                      !getX86CpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
+  Features["sahf"]   = HasExtLeaf1 && ((ECX >>  0) & 1);
   Features["lzcnt"]  = HasExtLeaf1 && ((ECX >>  5) & 1);
   Features["sse4a"]  = HasExtLeaf1 && ((ECX >>  6) & 1);
   Features["prfchw"] = HasExtLeaf1 && ((ECX >>  8) & 1);


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