OpenBLAS/kernel/arm64/sbgemm_beta_neoversen2.c

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#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT beta, IFLOAT *dummy2,
          BLASLONG dummy3, IFLOAT *dummy4, BLASLONG dummy5, FLOAT *c,
          BLASLONG ldc) {

    BLASLONG i, j;
    BLASLONG chunk, remain;
    FLOAT *c_offset1, *c_offset;
    c_offset = c;
    chunk = m >> 3;
    remain = m & 7;
    if (beta == ZERO) {
        for (j = n; j > 0; j--) {
            c_offset1 = c_offset;
            c_offset += ldc;
            for (i = chunk; i > 0; i--) {
                *(c_offset1 + 0) = ZERO;
                *(c_offset1 + 1) = ZERO;
                *(c_offset1 + 2) = ZERO;
                *(c_offset1 + 3) = ZERO;
                *(c_offset1 + 4) = ZERO;
                *(c_offset1 + 5) = ZERO;
                *(c_offset1 + 6) = ZERO;
                *(c_offset1 + 7) = ZERO;
                c_offset1 += 8;
            }
            for (i = remain; i > 0; i--) {
                *c_offset1 = ZERO;
                c_offset1++;
            }
        }
    } else {
        for (j = n; j > 0; j--) {
            c_offset1 = c_offset;
            c_offset += ldc;
            for (i = chunk; i > 0; i--) {
                *(c_offset1 + 0) *= beta;
                *(c_offset1 + 1) *= beta;
                *(c_offset1 + 2) *= beta;
                *(c_offset1 + 3) *= beta;
                *(c_offset1 + 4) *= beta;
                *(c_offset1 + 5) *= beta;
                *(c_offset1 + 6) *= beta;
                *(c_offset1 + 7) *= beta;
                c_offset1 += 8;
            }
            for (i = remain; i > 0; i--) {
                *c_offset1 *= beta;
                c_offset1++;
            }
        }
    }
    return 0;
};