Import ceph 15.2.8

[ceph.git] / ceph / src / isa-l / erasure_code / ppc64le / gf_5vect_mad_vsx.c

diff --git a/ceph/src/isa-l/erasure_code/ppc64le/gf_5vect_mad_vsx.c b/ceph/src/isa-l/erasure_code/ppc64le/gf_5vect_mad_vsx.c
new file mode 100644 (file)
index 0000000..7bb7bb2
--- /dev/null
+++ b/ceph/src/isa-l/erasure_code/ppc64le/gf_5vect_mad_vsx.c
@@ -0,0 +1,122 @@
+#include "ec_base_vsx.h"
+
+void gf_5vect_mad_vsx(int len, int vec, int vec_i, unsigned char *gftbls,
+                     unsigned char *src, unsigned char **dest)
+{
+       unsigned char *s, *t0, *t1, *t2, *t3, *t4;
+       vector unsigned char vX1, vX2, vX3, vX4;
+       vector unsigned char vY1, vY2, vY3, vY4, vY5, vY6, vY7, vY8, vY9, vYA;
+       vector unsigned char vYD, vYE, vYF, vYG, vYH, vYI, vYJ, vYK, vYL, vYM;
+       vector unsigned char vhi0, vlo0, vhi1, vlo1, vhi2, vlo2, vhi3, vlo3, vhi4, vlo4;
+       int i, head;
+
+       s = (unsigned char *)src;
+       t0 = (unsigned char *)dest[0];
+       t1 = (unsigned char *)dest[1];
+       t2 = (unsigned char *)dest[2];
+       t3 = (unsigned char *)dest[3];
+       t4 = (unsigned char *)dest[4];
+
+       head = len % 64;
+       if (head != 0) {
+               gf_vect_mad_base(head, vec, vec_i, &gftbls[0 * 32 * vec], src, t0);
+               gf_vect_mad_base(head, vec, vec_i, &gftbls[1 * 32 * vec], src, t1);
+               gf_vect_mad_base(head, vec, vec_i, &gftbls[2 * 32 * vec], src, t2);
+               gf_vect_mad_base(head, vec, vec_i, &gftbls[3 * 32 * vec], src, t3);
+               gf_vect_mad_base(head, vec, vec_i, &gftbls[4 * 32 * vec], src, t4);
+       }
+
+       vlo0 = EC_vec_xl(0, gftbls + (((0 * vec) << 5) + (vec_i << 5)));
+       vhi0 = EC_vec_xl(16, gftbls + (((0 * vec) << 5) + (vec_i << 5)));
+       vlo1 = EC_vec_xl(0, gftbls + (((1 * vec) << 5) + (vec_i << 5)));
+       vhi1 = EC_vec_xl(16, gftbls + (((1 * vec) << 5) + (vec_i << 5)));
+       vlo2 = EC_vec_xl(0, gftbls + (((2 * vec) << 5) + (vec_i << 5)));
+       vhi2 = EC_vec_xl(16, gftbls + (((2 * vec) << 5) + (vec_i << 5)));
+       vlo3 = EC_vec_xl(0, gftbls + (((3 * vec) << 5) + (vec_i << 5)));
+       vhi3 = EC_vec_xl(16, gftbls + (((3 * vec) << 5) + (vec_i << 5)));
+       vlo4 = EC_vec_xl(0, gftbls + (((4 * vec) << 5) + (vec_i << 5)));
+       vhi4 = EC_vec_xl(16, gftbls + (((4 * 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);
+               vYD = vec_xl(32, t0 + i);
+               vYE = vec_xl(48, t0 + i);
+
+               vY1 = vY1 ^ EC_vec_permxor(vhi0, vlo0, vX1);
+               vY2 = vY2 ^ EC_vec_permxor(vhi0, vlo0, vX2);
+               vYD = vYD ^ EC_vec_permxor(vhi0, vlo0, vX3);
+               vYE = vYE ^ EC_vec_permxor(vhi0, vlo0, vX4);
+
+               vY3 = vec_xl(0, t1 + i);
+               vY4 = vec_xl(16, t1 + i);
+               vYF = vec_xl(32, t1 + i);
+               vYG = vec_xl(48, t1 + i);
+
+               vec_xst(vY1, 0, t0 + i);
+               vec_xst(vY2, 16, t0 + i);
+               vec_xst(vYD, 32, t0 + i);
+               vec_xst(vYE, 48, t0 + i);
+
+               vY3 = vY3 ^ EC_vec_permxor(vhi1, vlo1, vX1);
+               vY4 = vY4 ^ EC_vec_permxor(vhi1, vlo1, vX2);
+               vYF = vYF ^ EC_vec_permxor(vhi1, vlo1, vX3);
+               vYG = vYG ^ EC_vec_permxor(vhi1, vlo1, vX4);
+
+               vY5 = vec_xl(0, t2 + i);
+               vY6 = vec_xl(16, t2 + i);
+               vYH = vec_xl(32, t2 + i);
+               vYI = vec_xl(48, t2 + i);
+
+               vec_xst(vY3, 0, t1 + i);
+               vec_xst(vY4, 16, t1 + i);
+               vec_xst(vYF, 32, t1 + i);
+               vec_xst(vYG, 48, t1 + i);
+
+               vY5 = vY5 ^ EC_vec_permxor(vhi2, vlo2, vX1);
+               vY6 = vY6 ^ EC_vec_permxor(vhi2, vlo2, vX2);
+               vYH = vYH ^ EC_vec_permxor(vhi2, vlo2, vX3);
+               vYI = vYI ^ EC_vec_permxor(vhi2, vlo2, vX4);
+
+               vY7 = vec_xl(0, t3 + i);
+               vY8 = vec_xl(16, t3 + i);
+               vYJ = vec_xl(32, t3 + i);
+               vYK = vec_xl(48, t3 + i);
+
+               vec_xst(vY5, 0, t2 + i);
+               vec_xst(vY6, 16, t2 + i);
+               vec_xst(vYH, 32, t2 + i);
+               vec_xst(vYI, 48, t2 + i);
+
+               vY7 = vY7 ^ EC_vec_permxor(vhi3, vlo3, vX1);
+               vY8 = vY8 ^ EC_vec_permxor(vhi3, vlo3, vX2);
+               vYJ = vYJ ^ EC_vec_permxor(vhi3, vlo3, vX3);
+               vYK = vYK ^ EC_vec_permxor(vhi3, vlo3, vX4);
+
+               vY9 = vec_xl(0, t4 + i);
+               vYA = vec_xl(16, t4 + i);
+               vYL = vec_xl(32, t4 + i);
+               vYM = vec_xl(48, t4 + i);
+
+               vec_xst(vY7, 0, t3 + i);
+               vec_xst(vY8, 16, t3 + i);
+               vec_xst(vYJ, 32, t3 + i);
+               vec_xst(vYK, 48, t3 + i);
+
+               vY9 = vY9 ^ EC_vec_permxor(vhi4, vlo4, vX1);
+               vYA = vYA ^ EC_vec_permxor(vhi4, vlo4, vX2);
+               vYL = vYL ^ EC_vec_permxor(vhi4, vlo4, vX3);
+               vYM = vYM ^ EC_vec_permxor(vhi4, vlo4, vX4);
+
+               vec_xst(vY9, 0, t4 + i);
+               vec_xst(vYA, 16, t4 + i);
+               vec_xst(vYL, 32, t4 + i);
+               vec_xst(vYM, 48, t4 + i);
+       }
+       return;
+}