https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104445
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- We do have: (define_expand "vec_extractv4qiqi" [(match_operand:QI 0 "register_operand") (match_operand:V4QI 1 "register_operand") (match_operand 2 "const_int_operand")] "TARGET_SSE4_1" { ix86_expand_vector_extract (false, operands[0], operands[1], INTVAL (operands[2])); DONE; })