tree fa133a3321bca46bf2ad2364247a99aa0cad7bc4
parent fffd4e8a68cfe8af53910f18bc8d895e24dcd35c
author Gerda Zsejke More <gerdazsejke.more@arm.com> 1673518249 +0100
committer James Zern <jzern@google.com> 1674704094 +0000

Refactor 8x8 16-bit Neon transpose functions

Refactor the Neon implementation of transpose_s16_8x8(q) and
transpose_u16_8x8 so that the final step compiles to 8 ZIP1/ZIP2
instructions as opposed to 8 EXT, MOV pairs. This change removes 8
instructions per call to transpose_s16_8x8(q), transpose_u16_8x8
where the result stays in registers for further processing - rather
than being stored to memory - like in aom_hadamard_8x8_neon, for
example.

Co-authored-by: Jonathan Wright <jonathan.wright@arm.com>
Change-Id: I470442d3392acf38c12817b87bdaa46eee887ff6