commit bfcfbe611b4d7e650236f8b8ba7d0706cfe6a0b7

Author: Andreas Krebbel <krebbel@linux.vnet.ibm.com>

Date:   Mon May 29 12:33:15 2017 +0200

    S/390: Remove optional operand flag.

    The per operand optional flag hasn't been used for quite some time.

    Cleanup some remains.

    include/ChangeLog:

    2017-05-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

            * opcode/s390.h: Remove S390_OPERAND_OPTIONAL.

    gas/ChangeLog:

    2017-05-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

            * config/tc-s390.c (md_gather_operands): Remove code dealing with

            S390_OPERAND_OPTIONAL.

--- a/include/opcode/s390.h

+++ b/include/opcode/s390.h

@@ -156,21 +156,17 @@ extern const struct s390_operand s390_operands[];

 /* This operand is a length.  */

 #define S390_OPERAND_LENGTH 0x200

-/* This operand is optional. Only a single operand at the end of

-   the instruction may be optional.  */

-#define S390_OPERAND_OPTIONAL 0x400

-

 /* The operand needs to be a valid GP or FP register pair.  */

-#define S390_OPERAND_REG_PAIR 0x800

+#define S390_OPERAND_REG_PAIR 0x400

 /* This operand names a vector register.  The disassembler uses this

    to print register names with a leading 'v'.  */

-#define S390_OPERAND_VR 0x1000

+#define S390_OPERAND_VR 0x800

-#define S390_OPERAND_CP16 0x2000

+#define S390_OPERAND_CP16 0x1000

-#define S390_OPERAND_OR1 0x4000

-#define S390_OPERAND_OR2 0x8000

-#define S390_OPERAND_OR8 0x10000

+#define S390_OPERAND_OR1 0x2000

+#define S390_OPERAND_OR2 0x4000

+#define S390_OPERAND_OR8 0x8000

 #endif /* S390_H */