commit 43f51aeca8367ea35adad963c00bd2bc5b8d1391
author Eli Friedman <eli.friedman@gmail.com> Fri Aug 26 21:21:21 2011 +0000
committer Eli Friedman <eli.friedman@gmail.com> Fri Aug 26 21:21:21 2011 +0000
tree cb558e0aaacbddf5f406784aafe4ff13f10b5deb
parent 51fb91c04c920703fbd4a67ac3f85c0971b2c5a5

Add support for generating CMPXCHG16B on x86-64 for the cmpxchg IR instruction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138660 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.h

diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index c13d0c7..6419879 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -303,9 +303,10 @@
       ATOMNAND64_DAG,
       ATOMSWAP64_DAG,
 
-      // LCMPXCHG_DAG, LCMPXCHG8_DAG - Compare and swap.
+      // LCMPXCHG_DAG, LCMPXCHG8_DAG, LCMPXCHG16_DAG - Compare and swap.
       LCMPXCHG_DAG,
       LCMPXCHG8_DAG,
+      LCMPXCHG16_DAG,
 
       // VZEXT_LOAD - Load, scalar_to_vector, and zero extend.
       VZEXT_LOAD,