commit 58d25fd052e999a24734b0cf856a1563e3d1b2d0
author Mark Mendell <mark.p.mendell@intel.com> Fri Apr 03 14:52:31 2015 -0400
committer Mark Mendell <mark.p.mendell@intel.com> Mon Apr 06 23:05:13 2015 -0400
tree b1dbeae13a24e3f7ec325698a3724b5d90df2ef9
parent 1b8e8cac2c96f6d2af8e7217f997a30e11c098b5

[optimizing] Implement more x86/x86_64 intrinsics

Implement CAS and bit reverse and byte reverse intrinsics that were
missing from x86 and x86_64 implementations.

Add assembler tests and compareAndSwapLong test.

Change-Id: Iabb2ff46036645df0a91f640288ef06090a64ee3
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>

compiler/utils/x86/assembler_x86.h

diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index bdf8843..46630e3 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -457,6 +457,7 @@
 
   X86Assembler* lock();
   void cmpxchgl(const Address& address, Register reg);
+  void cmpxchg8b(const Address& address);
 
   void mfence();
 
@@ -476,6 +477,10 @@
     lock()->cmpxchgl(address, reg);
   }
 
+  void LockCmpxchg8b(const Address& address) {
+    lock()->cmpxchg8b(address);
+  }
+
   //
   // Misc. functionality
   //