Allow for optional operands with non-zero default values.

[deliverable/binutils-gdb.git] / include / opcode / ppc.h

diff --git a/include/opcode/ppc.h b/include/opcode/ppc.h
index e57b118b02e5a2faba62f5dbd524f03827f719c0..52463653250d3fcfaf161051d8b3f2b7e7349bae 100644 (file)
--- a/include/opcode/ppc.h
+++ b/include/opcode/ppc.h
@@ -1,6 +1,5 @@
 /* ppc.h -- Header file for PowerPC opcode table
-   Copyright 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-   2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc.
+   Copyright (C) 1994-2015 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Cygnus Support
 
    This file is part of GDB, GAS, and the GNU binutils.
@@ -188,6 +187,14 @@ extern const int vle_num_opcodes;
 /* Opcode which is supported by the VLE extension.  */
 #define PPC_OPCODE_VLE       0x1000000000ull
 
+/* Opcode is only supported by Power8 architecture.  */
+#define PPC_OPCODE_POWER8     0x2000000000ull
+
+/* Opcode which is supported by the Hardware Transactional Memory extension.  */
+/* Currently, this is the same as the POWER8 mask.  If another cpu comes out
+   that isn't a superset of POWER8, we can define this to its own mask.  */
+#define PPC_OPCODE_HTM        PPC_OPCODE_POWER8
+
 /* A macro to extract the major opcode from an instruction.  */
 #define PPC_OP(i) (((i) >> 26) & 0x3f)
 
@@ -373,6 +380,11 @@ extern const unsigned int num_powerpc_operands;
 
 /* This is a CR FIELD that does not use symbolic names.  */
 #define PPC_OPERAND_CR_REG (0x200000)
+
+/* This flag is only used with PPC_OPERAND_OPTIONAL.  If this operand
+   is omitted, then the value it should use for the operand is stored
+   in the SHIFT field of the immediatly following operand field.  */
+#define PPC_OPERAND_OPTIONAL_VALUE (0x400000)
 \f
 /* The POWER and PowerPC assemblers use a few macros.  We keep them
    with the operands table for simplicity.  The macro table is an
@@ -402,4 +414,12 @@ extern const int powerpc_num_macros;
 
 extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *);
 
+static inline long
+ppc_optional_operand_value (const struct powerpc_operand *operand)
+{
+  if ((operand->flags & PPC_OPERAND_OPTIONAL_VALUE) != 0)
+    return (operand+1)->shift;
+  return 0;
+}
+
 #endif /* PPC_H */