the three constants needed as parameters. Drop the others.
(strcasestr_sse42): Load uclow, uchigh, and lcqword and pass to
__m128i_strloadu_tolower.
+ Create and initialize variable zero and use it in all the places
+ where _mm_setzero_si128 was used.
* sysdeps/x86_64/fpu/multiarch/Makefile: Don't build brandred-avx.c,
doasin-avx.c, dosincos-avx.c, e_asin-avx.c, mpatan-avx.c,