sparc.h (MASK_FASTER_STRUCTS, [...]): Define.

sparc.h (MASK_FASTER_STRUCTS, [...]): Define.

        * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
        (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
        (ROUND_TYPE_ALIGN): Use better value of -mfaster-structs.
        * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
        units for the sparclite86x chip.
        (flush): Revert October 14th change; add SImode specifically.
        (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
        * invoke.texi: Document it.

From-SVN: r30722