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Diffstat (limited to 'src/isa-l/erasure_code/ppc64le/gf_2vect_mad_vsx.c')
-rw-r--r--src/isa-l/erasure_code/ppc64le/gf_2vect_mad_vsx.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/isa-l/erasure_code/ppc64le/gf_2vect_mad_vsx.c b/src/isa-l/erasure_code/ppc64le/gf_2vect_mad_vsx.c
new file mode 100644
index 000000000..621684a5f
--- /dev/null
+++ b/src/isa-l/erasure_code/ppc64le/gf_2vect_mad_vsx.c
@@ -0,0 +1,65 @@
+#include "ec_base_vsx.h"
+
+void gf_2vect_mad_vsx(int len, int vec, int vec_i, unsigned char *gftbls,
+ unsigned char *src, unsigned char **dest)
+{
+ unsigned char *s, *t0, *t1;
+ vector unsigned char vX1, vX2, vX3, vX4;
+ vector unsigned char vY1, vY2, vY3, vY4;
+ vector unsigned char vYD, vYE, vYF, vYG;
+ vector unsigned char vhi0, vlo0, vhi1, vlo1;
+ int i, head;
+
+ s = (unsigned char *)src;
+ t0 = (unsigned char *)dest[0];
+ t1 = (unsigned char *)dest[1];
+
+ 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);
+ }
+
+ 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)));
+
+ 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);
+
+ vec_xst(vY3, 0, t1 + i);
+ vec_xst(vY4, 16, t1 + i);
+ vec_xst(vYF, 32, t1 + i);
+ vec_xst(vYG, 48, t1 + i);
+ }
+ return;
+}