OpenBLAS/kernel/mips/cgemv_n_msa.c

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#include "common.h"
#include "macros_msa.h"

#undef OP0
#undef OP1
#undef OP2
#undef OP3
#undef OP4

#if !defined(XCONJ)
    #define OP3  -=
    #define OP4  +=
#else
    #define OP3  +=
    #define OP4  -=
#endif

#if !defined(CONJ)
    #if !defined(XCONJ)
        #define OP0  -=
        #define OP1  +=
        #define OP2  +=
    #else
        #define OP0  +=
        #define OP1  +=
        #define OP2  -=
    #endif
#else
    #if !defined(XCONJ)
        #define OP0  +=
        #define OP1  -=
        #define OP2  +=
    #else
        #define OP0  -=
        #define OP1  -=
        #define OP2  -=
    #endif
#endif

#define CGEMV_N_8x4()                        \
    LD_SP4(pa0 + k, 4, t0, t1, t2, t3);      \
    LD_SP4(pa1 + k, 4, t4, t5, t6, t7);      \
    LD_SP4(pa2 + k, 4, t8, t9, t10, t11);    \
    LD_SP4(pa3 + k, 4, t12, t13, t14, t15);  \
                                             \
    PCKEVOD_W2_SP(t1, t0, src0r, src0i);     \
    PCKEVOD_W2_SP(t3, t2, src1r, src1i);     \
    PCKEVOD_W2_SP(t5, t4, src2r, src2i);     \
    PCKEVOD_W2_SP(t7, t6, src3r, src3i);     \
    PCKEVOD_W2_SP(t9, t8, src4r, src4i);     \
    PCKEVOD_W2_SP(t11, t10, src5r, src5i);   \
    PCKEVOD_W2_SP(t13, t12, src6r, src6i);   \
    PCKEVOD_W2_SP(t15, t14, src7r, src7i);   \
                                             \
    y0r += tp0r * src0r;                     \
    y1r += tp0r * src1r;                     \
    y0r += tp1r * src2r;                     \
    y1r += tp1r * src3r;                     \
    y0r += tp2r * src4r;                     \
    y1r += tp2r * src5r;                     \
    y0r += tp3r * src6r;                     \
    y1r += tp3r * src7r;                     \
                                             \
    y0r OP0 tp0i * src0i;                    \
    y1r OP0 tp0i * src1i;                    \
    y0r OP0 tp1i * src2i;                    \
    y1r OP0 tp1i * src3i;                    \
    y0r OP0 tp2i * src4i;                    \
    y1r OP0 tp2i * src5i;                    \
    y0r OP0 tp3i * src6i;                    \
    y1r OP0 tp3i * src7i;                    \
                                             \
    y0i OP1 tp0r * src0i;                    \
    y1i OP1 tp0r * src1i;                    \
    y0i OP1 tp1r * src2i;                    \
    y1i OP1 tp1r * src3i;                    \
    y0i OP1 tp2r * src4i;                    \
    y1i OP1 tp2r * src5i;                    \
    y0i OP1 tp3r * src6i;                    \
    y1i OP1 tp3r * src7i;                    \
                                             \
    y0i OP2 tp0i * src0r;                    \
    y1i OP2 tp0i * src1r;                    \
    y0i OP2 tp1i * src2r;                    \
    y1i OP2 tp1i * src3r;                    \
    y0i OP2 tp2i * src4r;                    \
    y1i OP2 tp2i * src5r;                    \
    y0i OP2 tp3i * src6r;                    \
    y1i OP2 tp3i * src7r;                    \

#define CGEMV_N_4x4()                       \
    LD_SP2(pa0 + k, 4, t0, t1);             \
    LD_SP2(pa1 + k, 4, t4, t5);             \
    LD_SP2(pa2 + k, 4, t8, t9);             \
    LD_SP2(pa3 + k, 4, t12, t13);           \
                                            \
    PCKEVOD_W2_SP(t1, t0, src0r, src0i);    \
    PCKEVOD_W2_SP(t5, t4, src2r, src2i);    \
    PCKEVOD_W2_SP(t9, t8, src4r, src4i);    \
    PCKEVOD_W2_SP(t13, t12, src6r, src6i);  \
                                            \
    y0r += tp0r * src0r;                    \
    y0r += tp1r * src2r;                    \
    y0r += tp2r * src4r;                    \
    y0r += tp3r * src6r;                    \
                                            \
    y0r OP0 tp0i * src0i;                   \
    y0r OP0 tp1i * src2i;                   \
    y0r OP0 tp2i * src4i;                   \
    y0r OP0 tp3i * src6i;                   \
                                            \
    y0i OP1 tp0r * src0i;                   \
    y0i OP1 tp1r * src2i;                   \
    y0i OP1 tp2r * src4i;                   \
    y0i OP1 tp3r * src6i;                   \
                                            \
    y0i OP2 tp0i * src0r;                   \
    y0i OP2 tp1i * src2r;                   \
    y0i OP2 tp2i * src4r;                   \
    y0i OP2 tp3i * src6r;                   \

#define CGEMV_N_1x4()               \
    res0 = y[0 * inc_y2];           \
    res1 = y[0 * inc_y2 + 1];       \
                                    \
    res0  += temp0_r * pa0[k];      \
    res0 OP0 temp0_i * pa0[k + 1];  \
    res0  += temp1_r * pa1[k];      \
    res0 OP0 temp1_i * pa1[k + 1];  \
    res0  += temp2_r * pa2[k];      \
    res0 OP0 temp2_i * pa2[k + 1];  \
    res0  += temp3_r * pa3[k];      \
    res0 OP0 temp3_i * pa3[k + 1];  \
                                    \
    res1 OP1 temp0_r * pa0[k + 1];  \
    res1 OP2 temp0_i * pa0[k];      \
    res1 OP1 temp1_r * pa1[k + 1];  \
    res1 OP2 temp1_i * pa1[k];      \
    res1 OP1 temp2_r * pa2[k + 1];  \
    res1 OP2 temp2_i * pa2[k];      \
    res1 OP1 temp3_r * pa3[k + 1];  \
    res1 OP2 temp3_i * pa3[k];      \
                                    \
    y[0 * inc_y2]     = res0;       \
    y[0 * inc_y2 + 1] = res1;       \

#define CGEMV_N_8x2()                     \
    LD_SP4(pa0 + k, 4, t0, t1, t2, t3);   \
    LD_SP4(pa1 + k, 4, t4, t5, t6, t7);   \
                                          \
    PCKEVOD_W2_SP(t1, t0, src0r, src0i);  \
    PCKEVOD_W2_SP(t3, t2, src1r, src1i);  \
    PCKEVOD_W2_SP(t5, t4, src2r, src2i);  \
    PCKEVOD_W2_SP(t7, t6, src3r, src3i);  \
                                          \
    y0r += tp0r * src0r;                  \
    y1r += tp0r * src1r;                  \
    y0r += tp1r * src2r;                  \
    y1r += tp1r * src3r;                  \
                                          \
    y0r OP0 tp0i * src0i;                 \
    y1r OP0 tp0i * src1i;                 \
    y0r OP0 tp1i * src2i;                 \
    y1r OP0 tp1i * src3i;                 \
                                          \
    y0i OP1 tp0r * src0i;                 \
    y1i OP1 tp0r * src1i;                 \
    y0i OP1 tp1r * src2i;                 \
    y1i OP1 tp1r * src3i;                 \
                                          \
    y0i OP2 tp0i * src0r;                 \
    y1i OP2 tp0i * src1r;                 \
    y0i OP2 tp1i * src2r;                 \
    y1i OP2 tp1i * src3r;                 \

#define CGEMV_N_4x2()                     \
    LD_SP2(pa0 + k, 4, t0, t1);           \
    LD_SP2(pa1 + k, 4, t4, t5);           \
                                          \
    PCKEVOD_W2_SP(t1, t0, src0r, src0i);  \
    PCKEVOD_W2_SP(t5, t4, src2r, src2i);  \
                                          \
    y0r += tp0r * src0r;                  \
    y0r += tp1r * src2r;                  \
                                          \
    y0r OP0 tp0i * src0i;                 \
    y0r OP0 tp1i * src2i;                 \
                                          \
    y0i OP1 tp0r * src0i;                 \
    y0i OP1 tp1r * src2i;                 \
                                          \
    y0i OP2 tp0i * src0r;                 \
    y0i OP2 tp1i * src2r;                 \

#define CGEMV_N_1x2()               \
    res0 = y[0 * inc_y2];           \
    res1 = y[0 * inc_y2 + 1];       \
                                    \
    res0  += temp0_r * pa0[k];      \
    res0 OP0 temp0_i * pa0[k + 1];  \
    res0  += temp1_r * pa1[k];      \
    res0 OP0 temp1_i * pa1[k + 1];  \
                                    \
    res1 OP1 temp0_r * pa0[k + 1];  \
    res1 OP2 temp0_i * pa0[k];      \
    res1 OP1 temp1_r * pa1[k + 1];  \
    res1 OP2 temp1_i * pa1[k];      \
                                    \
    y[0 * inc_y2]     = res0;       \
    y[0 * inc_y2 + 1] = res1;       \

#define CGEMV_N_1x1()              \
    res0 = y[0 * inc_y2];          \
    res1 = y[0 * inc_y2 + 1];      \
                                   \
    res0  += temp_r * pa0[k];      \
    res0 OP0 temp_i * pa0[k + 1];  \
                                   \
    res1 OP1 temp_r * pa0[k + 1];  \
    res1 OP2 temp_i * pa0[k];      \
                                   \
    y[0 * inc_y2]     = res0;      \
    y[0 * inc_y2 + 1] = res1;      \

#define CLOAD_X4_SCALE_VECTOR()                  \
    LD_SP2(x, 4, x0, x1);                        \
                                                 \
    PCKEVOD_W2_SP(x1, x0, x0r, x0i);             \
                                                 \
    tp4r   = alphar * x0r;                       \
    tp4r OP3 alphai * x0i;                       \
    tp4i   = alphar * x0i;                       \
    tp4i OP4 alphai * x0r;                       \
                                                 \
    SPLATI_W4_SP(tp4r, tp0r, tp1r, tp2r, tp3r);  \
    SPLATI_W4_SP(tp4i, tp0i, tp1i, tp2i, tp3i);  \

#define CLOAD_X4_SCALE_GP()                                                          \
    x0r = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *) (x + 0 * inc_x2)));      \
    x0r = (v4f32) __msa_insert_w((v4i32) x0r,  1, *((int *) (x + 1 * inc_x2)));      \
    x0r = (v4f32) __msa_insert_w((v4i32) x0r,  2, *((int *) (x + 2 * inc_x2)));      \
    x0r = (v4f32) __msa_insert_w((v4i32) x0r,  3, *((int *) (x + 3 * inc_x2)));      \
    x0i = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *) (x + 0 * inc_x2 + 1)));  \
    x0i = (v4f32) __msa_insert_w((v4i32) x0i,  1, *((int *) (x + 1 * inc_x2 + 1)));  \
    x0i = (v4f32) __msa_insert_w((v4i32) x0i,  2, *((int *) (x + 2 * inc_x2 + 1)));  \
    x0i = (v4f32) __msa_insert_w((v4i32) x0i,  3, *((int *) (x + 3 * inc_x2 + 1)));  \
                                                                                     \
    tp4r   = alphar * x0r;                                                           \
    tp4r OP3 alphai * x0i;                                                           \
    tp4i   = alphar * x0i;                                                           \
    tp4i OP4 alphai * x0r;                                                           \
                                                                                     \
    SPLATI_W4_SP(tp4r, tp0r, tp1r, tp2r, tp3r);                                      \
    SPLATI_W4_SP(tp4i, tp0i, tp1i, tp2i, tp3i);                                      \

#define CLOAD_X2_SCALE_GP()                        \
    temp0_r   = alpha_r * x[0 * inc_x2];           \
    temp0_r OP3 alpha_i * x[0 * inc_x2 + 1];       \
    temp0_i   = alpha_r * x[0 * inc_x2 + 1];       \
    temp0_i OP4 alpha_i * x[0 * inc_x2];           \
                                                   \
    temp1_r   = alpha_r * x[1 * inc_x2];           \
    temp1_r OP3 alpha_i * x[1 * inc_x2 + 1];       \
    temp1_i   = alpha_r * x[1 * inc_x2 + 1];       \
    temp1_i OP4 alpha_i * x[1 * inc_x2];           \
                                                   \
    tp0r = (v4f32) COPY_FLOAT_TO_VECTOR(temp0_r);  \
    tp0i = (v4f32) COPY_FLOAT_TO_VECTOR(temp0_i);  \
    tp1r = (v4f32) COPY_FLOAT_TO_VECTOR(temp1_r);  \
    tp1i = (v4f32) COPY_FLOAT_TO_VECTOR(temp1_i);  \

#define CLOAD_X1_SCALE_GP()                  \
    temp_r   = alpha_r * x[0 * inc_x2];      \
    temp_r OP3 alpha_i * x[0 * inc_x2 + 1];  \
    temp_i   = alpha_r * x[0 * inc_x2 + 1];  \
    temp_i OP4 alpha_i * x[0 * inc_x2];      \

#define CLOAD_Y8_VECTOR()             \
    LD_SP4(y, 4, y0, y1, y2, y3);     \
    PCKEVOD_W2_SP(y1, y0, y0r, y0i);  \
    PCKEVOD_W2_SP(y3, y2, y1r, y1i);  \

#define CLOAD_Y4_VECTOR()             \
    LD_SP2(y, 4, y0, y1);             \
    PCKEVOD_W2_SP(y1, y0, y0r, y0i);  \

#define CSTORE_Y8_VECTOR()          \
    ILVRL_W2_SP(y0i, y0r, y0, y1);  \
    ILVRL_W2_SP(y1i, y1r, y2, y3);  \
    ST_SP4(y0, y1, y2, y3, y, 4);   \

#define CSTORE_Y4_VECTOR()          \
    ILVRL_W2_SP(y0i, y0r, y0, y1);  \
    ST_SP2(y0, y1, y, 4);           \

#define CLOAD_Y8_GP()                                                               \
    y0r = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y + 0 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  1, *((int *)(y + 1 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  2, *((int *)(y + 2 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  3, *((int *)(y + 3 * inc_y2)));      \
    y1r = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y + 4 * inc_y2)));      \
    y1r = (v4f32) __msa_insert_w((v4i32) y1r,  1, *((int *)(y + 5 * inc_y2)));      \
    y1r = (v4f32) __msa_insert_w((v4i32) y1r,  2, *((int *)(y + 6 * inc_y2)));      \
    y1r = (v4f32) __msa_insert_w((v4i32) y1r,  3, *((int *)(y + 7 * inc_y2)));      \
    y0i = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y + 0 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  1, *((int *)(y + 1 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  2, *((int *)(y + 2 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  3, *((int *)(y + 3 * inc_y2 + 1)));  \
    y1i = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y + 4 * inc_y2 + 1)));  \
    y1i = (v4f32) __msa_insert_w((v4i32) y1i,  1, *((int *)(y + 5 * inc_y2 + 1)));  \
    y1i = (v4f32) __msa_insert_w((v4i32) y1i,  2, *((int *)(y + 6 * inc_y2 + 1)));  \
    y1i = (v4f32) __msa_insert_w((v4i32) y1i,  3, *((int *)(y + 7 * inc_y2 + 1)));  \

#define CLOAD_Y4_GP()                                                                \
    y0r = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y +  0 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  1, *((int *)(y +  1 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  2, *((int *)(y +  2 * inc_y2)));      \
    y0r = (v4f32) __msa_insert_w((v4i32) y0r,  3, *((int *)(y +  3 * inc_y2)));      \
    y0i = (v4f32) __msa_insert_w((v4i32) tp0r, 0, *((int *)(y +  0 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  1, *((int *)(y +  1 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  2, *((int *)(y +  2 * inc_y2 + 1)));  \
    y0i = (v4f32) __msa_insert_w((v4i32) y0i,  3, *((int *)(y +  3 * inc_y2 + 1)));  \

#define CSTORE_Y8_GP()                                                \
    *((int *)(y + 0 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 0);      \
    *((int *)(y + 1 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 1);      \
    *((int *)(y + 2 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 2);      \
    *((int *)(y + 3 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 3);      \
    *((int *)(y + 4 * inc_y2)) = __msa_copy_s_w((v4i32) y1r, 0);      \
    *((int *)(y + 5 * inc_y2)) = __msa_copy_s_w((v4i32) y1r, 1);      \
    *((int *)(y + 6 * inc_y2)) = __msa_copy_s_w((v4i32) y1r, 2);      \
    *((int *)(y + 7 * inc_y2)) = __msa_copy_s_w((v4i32) y1r, 3);      \
    *((int *)(y + 0 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 0);  \
    *((int *)(y + 1 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 1);  \
    *((int *)(y + 2 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 2);  \
    *((int *)(y + 3 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 3);  \
    *((int *)(y + 4 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y1i, 0);  \
    *((int *)(y + 5 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y1i, 1);  \
    *((int *)(y + 6 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y1i, 2);  \
    *((int *)(y + 7 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y1i, 3);  \

#define CSTORE_Y4_GP()                                                \
    *((int *)(y + 0 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 0);      \
    *((int *)(y + 1 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 1);      \
    *((int *)(y + 2 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 2);      \
    *((int *)(y + 3 * inc_y2)) = __msa_copy_s_w((v4i32) y0r, 3);      \
    *((int *)(y + 0 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 0);  \
    *((int *)(y + 1 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 1);  \
    *((int *)(y + 2 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 2);  \
    *((int *)(y + 3 * inc_y2 + 1)) = __msa_copy_s_w((v4i32) y0i, 3);  \

#define CGEMV_N_MSA()                         \
    for (j = (n >> 2); j--;)                  \
    {                                         \
        CLOAD_X4_SCALE();                     \
                                              \
        k = 0;                                \
        k_pref = pref_offset;                 \
        y = y_org;                            \
                                              \
        for (i = (m >> 3); i--;)              \
        {                                     \
            PREFETCH(pa0 + k_pref + 16 + 0);  \
            PREFETCH(pa0 + k_pref + 16 + 8);  \
            PREFETCH(pa1 + k_pref + 16 + 0);  \
            PREFETCH(pa1 + k_pref + 16 + 8);  \
            PREFETCH(pa2 + k_pref + 16 + 0);  \
            PREFETCH(pa2 + k_pref + 16 + 8);  \
            PREFETCH(pa3 + k_pref + 16 + 0);  \
            PREFETCH(pa3 + k_pref + 16 + 8);  \
                                              \
            CLOAD_Y8()                        \
            CGEMV_N_8x4();                    \
            CSTORE_Y8();                      \
                                              \
            k += 2 * 8;                       \
            k_pref += 2 * 8;                  \
            y += inc_y2 * 8;                  \
        }                                     \
                                              \
        if (m & 4)                            \
        {                                     \
            CLOAD_Y4();                       \
            CGEMV_N_4x4();                    \
            CSTORE_Y4();                      \
                                              \
            k += 2 * 4;                       \
            y += inc_y2 * 4;                  \
        }                                     \
                                              \
        if (m & 3)                            \
        {                                     \
            temp0_r = tp4r[0];                \
            temp1_r = tp4r[1];                \
            temp2_r = tp4r[2];                \
            temp3_r = tp4r[3];                \
                                              \
            temp0_i = tp4i[0];                \
            temp1_i = tp4i[1];                \
            temp2_i = tp4i[2];                \
            temp3_i = tp4i[3];                \
                                              \
            for (i = (m & 3); i--;)           \
            {                                 \
                CGEMV_N_1x4();                \
                                              \
                k += 2;                       \
                y += inc_y2;                  \
            }                                 \
        }                                     \
                                              \
        pa0 += 4 * lda2;                      \
        pa1 += 4 * lda2;                      \
        pa2 += 4 * lda2;                      \
        pa3 += 4 * lda2;                      \
                                              \
        x += 4 * inc_x2;                      \
    }                                         \
                                              \
    if (n & 2)                                \
    {                                         \
        CLOAD_X2_SCALE();                     \
                                              \
        k = 0;                                \
        y = y_org;                            \
                                              \
        for (i = (m >> 3); i--;)              \
        {                                     \
            CLOAD_Y8();                       \
            CGEMV_N_8x2();                    \
            CSTORE_Y8();                      \
                                              \
            k += 2 * 8;                       \
            y += inc_y2 * 8;                  \
        }                                     \
                                              \
        if (m & 4)                            \
        {                                     \
            CLOAD_Y4();                       \
            CGEMV_N_4x2();                    \
            CSTORE_Y4();                      \
                                              \
            k += 2 * 4;                       \
            y += inc_y2 * 4;                  \
        }                                     \
                                              \
        for (i = (m & 3); i--;)               \
        {                                     \
             CGEMV_N_1x2();                   \
                                              \
             k += 2;                          \
             y += inc_y2;                     \
        }                                     \
                                              \
        pa0 += 2 * lda2;                      \
        pa1 += 2 * lda2;                      \
                                              \
        x += 2 * inc_x2;                      \
    }                                         \
                                              \
    if (n & 1)                                \
    {                                         \
        CLOAD_X1_SCALE();                     \
                                              \
        k = 0;                                \
        y = y_org;                            \
                                              \
        for (i = m; i--;)                     \
        {                                     \
            CGEMV_N_1x1();                    \
                                              \
            k += 2;                           \
            y += inc_y2;                      \
        }                                     \
                                              \
        pa0 += lda2;                          \
        x += inc_x2;                          \
    }                                         \

int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i,
          FLOAT *A, BLASLONG lda2, FLOAT *x, BLASLONG inc_x2, FLOAT *y,
          BLASLONG inc_y2, FLOAT *buffer)
{
    BLASLONG i, j, k, k_pref, pref_offset;
    FLOAT *y_org = y;
    FLOAT *pa0, *pa1, *pa2, *pa3;
    FLOAT temp_r = 0.0, temp_i = 0.0, res0, res1, temp0_r;
    FLOAT temp0_i, temp1_r, temp1_i, temp2_r, temp2_i, temp3_r, temp3_i;
    v4f32 alphar, alphai;
    v4f32 x0, x1, y0, y1, y2, y3, x0r, x0i, y0r, y1r, y0i, y1i;
    v4f32 t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15;
    v4f32 src0r, src1r, src2r, src3r, src4r, src5r, src6r, src7r;
    v4f32 src0i, src1i, src2i, src3i, src4i, src5i, src6i, src7i;
    v4f32 tp0r, tp1r, tp2r, tp3r, tp4r, tp0i, tp1i, tp2i, tp3i, tp4i;

    lda2 = 2 * lda2;
    inc_x2 = 2 * inc_x2;
    inc_y2 = 2 * inc_y2;

    pref_offset = (uintptr_t)A & (L1_DATA_LINESIZE - 1);
    pref_offset = L1_DATA_LINESIZE - pref_offset;
    pref_offset = pref_offset / sizeof(FLOAT);

    pa0 = A;
    pa1 = A + lda2;
    pa2 = A + 2 * lda2;
    pa3 = A + 3 * lda2;

    alphar = COPY_FLOAT_TO_VECTOR(alpha_r);
    alphai = COPY_FLOAT_TO_VECTOR(alpha_i);

    if ((2 == inc_x2) && (2 == inc_y2))
    {
        #define CLOAD_X4_SCALE  CLOAD_X4_SCALE_VECTOR
        #define CLOAD_X2_SCALE  CLOAD_X2_SCALE_GP
        #define CLOAD_X1_SCALE  CLOAD_X1_SCALE_GP
        #define CLOAD_Y8        CLOAD_Y8_VECTOR
        #define CLOAD_Y4        CLOAD_Y4_VECTOR
        #define CSTORE_Y8       CSTORE_Y8_VECTOR
        #define CSTORE_Y4       CSTORE_Y4_VECTOR

        CGEMV_N_MSA();

        #undef CLOAD_X4_SCALE
        #undef CLOAD_X2_SCALE
        #undef CLOAD_X1_SCALE
        #undef CLOAD_Y8
        #undef CLOAD_Y4
        #undef CSTORE_Y8
        #undef CSTORE_Y4
    }
    else if (2 == inc_x2)
    {
        #define CLOAD_X4_SCALE  CLOAD_X4_SCALE_VECTOR
        #define CLOAD_X2_SCALE  CLOAD_X2_SCALE_GP
        #define CLOAD_X1_SCALE  CLOAD_X1_SCALE_GP
        #define CLOAD_Y8         CLOAD_Y8_GP
        #define CLOAD_Y4         CLOAD_Y4_GP
        #define CSTORE_Y8        CSTORE_Y8_GP
        #define CSTORE_Y4        CSTORE_Y4_GP

        CGEMV_N_MSA();

        #undef CLOAD_X4_SCALE
        #undef CLOAD_X2_SCALE
        #undef CLOAD_X1_SCALE
        #undef CLOAD_Y8
        #undef CLOAD_Y4
        #undef CSTORE_Y8
        #undef CSTORE_Y4
    }
    else if (2 == inc_y2)
    {
        #define CLOAD_X4_SCALE  CLOAD_X4_SCALE_GP
        #define CLOAD_X2_SCALE  CLOAD_X2_SCALE_GP
        #define CLOAD_X1_SCALE  CLOAD_X1_SCALE_GP
        #define CLOAD_Y8        CLOAD_Y8_VECTOR
        #define CLOAD_Y4        CLOAD_Y4_VECTOR
        #define CSTORE_Y8       CSTORE_Y8_VECTOR
        #define CSTORE_Y4       CSTORE_Y4_VECTOR

        CGEMV_N_MSA();

        #undef CLOAD_X4_SCALE
        #undef CLOAD_X2_SCALE
        #undef CLOAD_X1_SCALE
        #undef CLOAD_Y8
        #undef CLOAD_Y4
        #undef CSTORE_Y8
        #undef CSTORE_Y4
    }
    else
    {
        #define CLOAD_X4_SCALE  CLOAD_X4_SCALE_GP
        #define CLOAD_X2_SCALE  CLOAD_X2_SCALE_GP
        #define CLOAD_X1_SCALE  CLOAD_X1_SCALE_GP
        #define CLOAD_Y8        CLOAD_Y8_GP
        #define CLOAD_Y4        CLOAD_Y4_GP
        #define CSTORE_Y8       CSTORE_Y8_GP
        #define CSTORE_Y4       CSTORE_Y4_GP

        CGEMV_N_MSA();

        #undef CLOAD_X4_SCALE
        #undef CLOAD_X2_SCALE
        #undef CLOAD_X1_SCALE
        #undef CLOAD_Y8
        #undef CLOAD_Y4
        #undef CSTORE_Y8
        #undef CSTORE_Y4
    }
    return(0);
}

#undef OP0
#undef OP1
#undef OP2
#undef OP3
#undef OP4