gas/

[deliverable/binutils-gdb.git] / opcodes / i386-opc.h

diff --git a/opcodes/i386-opc.h b/opcodes/i386-opc.h
index 7fa61c2d265a50d361dce33864905d01e029fb92..cac9daa9b24f6bef43cee44c6154e004ff96f64d 100644 (file)
--- a/opcodes/i386-opc.h
+++ b/opcodes/i386-opc.h
@@ -1,5 +1,5 @@
 /* Declarations for Intel 80386 opcode table
-   Copyright 2007, 2008
+   Copyright 2007, 2008, 2009
    Free Software Foundation, Inc.
 
    This file is part of the GNU opcodes library.
@@ -248,8 +248,9 @@ typedef union i386_cpu_flags
 #define Vex                    (Drexc + 1)
 /* insn has 256bit VEX prefix. */
 #define Vex256                 (Vex + 1)
-/* insn has VEX NDS. Register-only source is encoded in Vex
-   prefix. */
+/* insn has VEX NDS. Register-only source is encoded in Vex prefix.
+   We use VexNDS on insns with VEX DDS since the register-only source
+   is the second source register.  */
 #define VexNDS                 (Vex256 + 1)
 /* insn has VEX NDD. Register destination is encoded in Vex
    prefix. */