* config/xtensa/xtensa.h (MASK_SERIALIZE_VOLATILE,

    * config/xtensa/xtensa.h (MASK_SERIALIZE_VOLATILE,
        TARGET_SERIALIZE_VOLATILE): Delete.
        (MASK_CONST16, MASK_ABS, MASK_ADDX): Renumber flag bits.
        (TARGET_DEFAULT): Remove MASK_SERIALIZE_VOLATILE.
        (TARGET_SWITCHES): Remove "-mserialize-volatile" and
        "-mno-serialize-volatile".
        * config/xtensa/xtensa.c (print_operand): Remove checks of
        TARGET_SERIALIZE_VOLATILE.
        * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
        * doc/invoke.texi (Option Summary, Xtensa Options): Remove
        "-mserialize-volatile" and "-mno-serialize-volatile" options.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67067 138bc75d-0d04-0410-961f-82ee72b054a4