* config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
        * config/xtensa/lib1funcs.asm: Fix copyright to include
        special case for libgcc files.
        (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
        (__divsi3): Likewise.
        (__umodsi3): Likewise.
        (__modsi3): Likewise.
        * config/xtensa/lib2funcs.S: Fix copyright to include
        special case for libgcc files.

From-SVN: r50677