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-rw-r--r--include/opcode/ChangeLog5
-rw-r--r--include/opcode/i386.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 2cbb382..7e2c14e 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2012-02-08 H.J. Lu <hongjiu.lu@intel.com>
+
+ * i386.h (XACQUIRE_PREFIX_OPCODE): New.
+ (XRELEASE_PREFIX_OPCODE): Likewise.
+
2011-12-08 Andrew Pinski <apinski@cavium.com>
Adam Nemet <anemet@caviumnetworks.com>
diff --git a/include/opcode/i386.h b/include/opcode/i386.h
index b635334..ad6d3c6 100644
--- a/include/opcode/i386.h
+++ b/include/opcode/i386.h
@@ -76,6 +76,8 @@
#define SS_PREFIX_OPCODE 0x36
#define REPNE_PREFIX_OPCODE 0xf2
#define REPE_PREFIX_OPCODE 0xf3
+#define XACQUIRE_PREFIX_OPCODE 0xf2
+#define XRELEASE_PREFIX_OPCODE 0xf3
#define TWO_BYTE_OPCODE_ESCAPE 0x0f
#define NOP_OPCODE (char) 0x90