* config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
        (_mm_sub_si64): Likewise.
        * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.

        * gcc.target/i386/sse-7.c: Use -msse2.

From-SVN: r108996