From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c (limited to 'src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c') diff --git a/src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c b/src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c new file mode 100644 index 000000000..a4810b96d --- /dev/null +++ b/src/isa-l/erasure_code/ppc64le/gf_vect_mad_vsx.c @@ -0,0 +1,48 @@ +#include "ec_base_vsx.h" + +void gf_vect_mad_vsx(int len, int vec, int vec_i, unsigned char *gftbls, + unsigned char *src, unsigned char *dest) +{ + unsigned char *s, *t0; + vector unsigned char vX1, vY1; + vector unsigned char vX2, vY2; + vector unsigned char vX3, vY3; + vector unsigned char vX4, vY4; + vector unsigned char vhi0, vlo0; + int i, head; + + s = (unsigned char *)src; + t0 = (unsigned char *)dest; + + head = len % 64; + if (head != 0) { + gf_vect_mad_base(head, vec, vec_i, &gftbls[0 * 32 * vec], src, dest); + } + + vlo0 = EC_vec_xl(0, gftbls + (((0 * vec) << 5) + (vec_i << 5))); + vhi0 = EC_vec_xl(16, gftbls + (((0 * vec) << 5) + (vec_i << 5))); + + for (i = head; i < len - 63; i += 64) { + vX1 = vec_xl(0, s + i); + vX2 = vec_xl(16, s + i); + vX3 = vec_xl(32, s + i); + vX4 = vec_xl(48, s + i); + + vY1 = vec_xl(0, t0 + i); + vY2 = vec_xl(16, t0 + i); + vY3 = vec_xl(32, t0 + i); + vY4 = vec_xl(48, t0 + i); + + vY1 = vY1 ^ EC_vec_permxor(vhi0, vlo0, vX1); + vY2 = vY2 ^ EC_vec_permxor(vhi0, vlo0, vX2); + vY3 = vY3 ^ EC_vec_permxor(vhi0, vlo0, vX3); + vY4 = vY4 ^ EC_vec_permxor(vhi0, vlo0, vX4); + + vec_xst(vY1, 0, t0 + i); + vec_xst(vY2, 16, t0 + i); + vec_xst(vY3, 32, t0 + i); + vec_xst(vY4, 48, t0 + i); + } + + return; +} -- cgit v1.2.3