[PATCH] D19795: Add new flag and intrinsic support for MWAITX and MONITORX instructions.

[Simon Pilgrim via llvm-commits]

RKSimon added a subscriber: RKSimon.
RKSimon added a reviewer: RKSimon.

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Comment at: include/llvm/IR/IntrinsicsX86.td:8722
@@ +8721,2 @@
+        Intrinsic<[], [ llvm_i32_ty, llvm_i32_ty, llvm_i32_ty ], []>;
+}
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Why is _sse3_ in the intrinsic name? I realise the original monitor/mwait came out at the same time as SSE3 (and are included in the same header) but these certainly didn't.

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Comment at: lib/Support/Host.cpp:806
@@ -804,2 +805,3 @@
   Features["tbm"]    = HasExtLeaf1 && ((ECX >> 21) & 1);
+  Features["mwaitx"]    = HasExtLeaf1 && ((ECX >> 29) & 1);
 
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align the '='


Repository:
  rL LLVM

http://reviews.llvm.org/D19795