OpenBLAS/kernel/riscv64/zgemm_tcopy_rvv_v1.c

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#include "common.h"

#if !defined(DOUBLE)
#define VSETVL(n)               __riscv_vsetvl_e32m2(n)
#define FLOAT_VX2_T             vfloat32m2x2_t
#define VLSEG2_FLOAT            __riscv_vlseg2e32_v_f32m2x2
#define VSSEG2_FLOAT            __riscv_vsseg2e32_v_f32m2x2
#else
#define VSETVL(n)               __riscv_vsetvl_e64m2(n)
#define FLOAT_VX2_T             vfloat64m2x2_t
#define VLSEG2_FLOAT            __riscv_vlseg2e64_v_f64m2x2
#define VSSEG2_FLOAT            __riscv_vsseg2e64_v_f64m2x2
#endif

int CNAME(BLASLONG m, BLASLONG n, IFLOAT *a, BLASLONG lda, IFLOAT *b)
{
    BLASLONG i, j;

    IFLOAT *aoffset;
    IFLOAT *aoffset1;
    IFLOAT *boffset;

    FLOAT_VX2_T vx2;
    size_t vl;

    //fprintf(stderr, "%s, m=%ld n=%ld lda=%ld\n", __FUNCTION__, m, n, lda);

    aoffset = a;
    boffset = b;

    for(j = n; j > 0; j -= vl) {
        vl = VSETVL(j);

        aoffset1 = aoffset;
        aoffset += vl * 2;

        for(i = m; i > 0; i--) {
            vx2 = VLSEG2_FLOAT(aoffset1, vl);
            VSSEG2_FLOAT(boffset, vx2, vl);

            aoffset1 += lda * 2;
            boffset += vl * 2;
        }
    }

    return 0;
}