added _mm_cvtsd_si32, _mm_cvtsd_ss, _mm_cvtss_sd, _mm_cvttpd_epi32, _mm_cvttsd_si32
added _mm_cvtsd_si32, _mm_cvtsd_ss, _mm_cvtss_sd, _mm_cvttpd_epi32, _mm_cvttsd_si32

rust-lang/stdarch,rust-lang/stdarch,rust-lang/stdarch,rust-lang/stdarch,rust-lang/stdarch