dsputil_iwmmxt_rnd.h

tcpmp播放器的flv插件

        "wstrd wr3, [r5, #8]            \n\t"
        "add r5, r5, %[line_size]       \n\t"
        "bne 1b                         \n\t"
        : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
        :
        : "r4", "r5", "r12", "memory");
}

void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
    int stride = line_size;
    // [wr0 wr1 wr2 wr3] for previous line
    // [wr4 wr5 wr6 wr7] for current line
    SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
    __asm__ __volatile__(
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "pld [%[block]]                 \n\t"
        "pld [%[block], #32]            \n\t"
        "and r12, %[pixels], #7         \n\t"
        "bic %[pixels], %[pixels], #7   \n\t"
        "tmcr wcgr1, r12                \n\t"
        "add r12, r12, #1               \n\t"
        "add r4, %[pixels], %[line_size]\n\t"
        "tmcr wcgr2, r12                \n\t"
        "add r5, %[block], %[line_size] \n\t"
        "mov %[line_size], %[line_size], lsl #1 \n\t"
        "pld [r5]                       \n\t"
        "pld [r5, #32]                  \n\t"

        "1:                             \n\t"
        "wldrd wr10, [%[pixels]]        \n\t"
        "cmp r12, #8                    \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"
        "wldrd wr13, [r4]               \n\t"
        "pld [%[pixels]]                \n\t"
        "wldrd wr14, [r4, #8]           \n\t"
        "pld [%[pixels], #32]           \n\t"
        "add r4, r4, %[line_size]       \n\t"
        "walignr1 wr0, wr10, wr11       \n\t"
        "pld [r4]                       \n\t"
        "pld [r4, #32]                  \n\t"
        "walignr1 wr2, wr13, wr14       \n\t"
        "wmoveq wr4, wr11               \n\t"
        "wmoveq wr6, wr14               \n\t"
        "walignr2ne wr4, wr10, wr11     \n\t"
        "wldrd wr10, [%[block]]         \n\t"
        "walignr2ne wr6, wr13, wr14     \n\t"
        "wldrd wr12, [r5]               \n\t"
        WAVG2B" wr0, wr0, wr4           \n\t"
        WAVG2B" wr2, wr2, wr6           \n\t"
        WAVG2B" wr0, wr0, wr10          \n\t"
        WAVG2B" wr2, wr2, wr12          \n\t"
        "wstrd wr0, [%[block]]          \n\t"
        "subs %[h], %[h], #2            \n\t"
        "wstrd wr2, [r5]                \n\t"
        "add %[block], %[block], %[line_size]   \n\t"
        "add r5, r5, %[line_size]       \n\t"
        "pld [%[block]]                 \n\t"
        "pld [%[block], #32]            \n\t"
        "pld [r5]                       \n\t"
        "pld [r5, #32]                  \n\t"
        "bne 1b                         \n\t"
        : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
        :
        : "r4", "r5", "r12", "memory");
}

void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
    int stride = line_size;
    // [wr0 wr1 wr2 wr3] for previous line
    // [wr4 wr5 wr6 wr7] for current line
    SET_RND(wr15); // =2 for rnd  and  =1 for no_rnd version
    __asm__ __volatile__(
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "pld [%[block]]                 \n\t"
        "pld [%[block], #32]            \n\t"
        "and r12, %[pixels], #7         \n\t"
        "bic %[pixels], %[pixels], #7   \n\t"
        "tmcr wcgr1, r12                \n\t"
        "add r12, r12, #1               \n\t"
        "add r4, %[pixels], %[line_size]\n\t"
        "tmcr wcgr2, r12                \n\t"
        "add r5, %[block], %[line_size] \n\t"
        "mov %[line_size], %[line_size], lsl #1 \n\t"
        "pld [r5]                       \n\t"
        "pld [r5, #32]                  \n\t"

        "1:                             \n\t"
        "wldrd wr10, [%[pixels]]        \n\t"
        "cmp r12, #8                    \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "wldrd wr12, [%[pixels], #16]   \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"
        "wldrd wr13, [r4]               \n\t"
        "pld [%[pixels]]                \n\t"
        "wldrd wr14, [r4, #8]           \n\t"
        "pld [%[pixels], #32]           \n\t"
        "wldrd wr15, [r4, #16]          \n\t"
        "add r4, r4, %[line_size]       \n\t"
        "walignr1 wr0, wr10, wr11       \n\t"
        "pld [r4]                       \n\t"
        "pld [r4, #32]                  \n\t"
        "walignr1 wr1, wr11, wr12       \n\t"
        "walignr1 wr2, wr13, wr14       \n\t"
        "walignr1 wr3, wr14, wr15       \n\t"
        "wmoveq wr4, wr11               \n\t"
        "wmoveq wr5, wr12               \n\t"
        "wmoveq wr6, wr14               \n\t"
        "wmoveq wr7, wr15               \n\t"
        "walignr2ne wr4, wr10, wr11     \n\t"
        "walignr2ne wr5, wr11, wr12     \n\t"
        "walignr2ne wr6, wr13, wr14     \n\t"
        "walignr2ne wr7, wr14, wr15     \n\t"
        "wldrd wr10, [%[block]]         \n\t"
        WAVG2B" wr0, wr0, wr4           \n\t"
        "wldrd wr11, [%[block], #8]     \n\t"
        WAVG2B" wr1, wr1, wr5           \n\t"
        "wldrd wr12, [r5]               \n\t"
        WAVG2B" wr2, wr2, wr6           \n\t"
        "wldrd wr13, [r5, #8]           \n\t"
        WAVG2B" wr3, wr3, wr7           \n\t"
        WAVG2B" wr0, wr0, wr10          \n\t"
        WAVG2B" wr1, wr1, wr11          \n\t"
        WAVG2B" wr2, wr2, wr12          \n\t"
        WAVG2B" wr3, wr3, wr13          \n\t"
        "wstrd wr0, [%[block]]          \n\t"
        "subs %[h], %[h], #2            \n\t"
        "wstrd wr1, [%[block], #8]      \n\t"
        "add %[block], %[block], %[line_size]   \n\t"
        "wstrd wr2, [r5]                \n\t"
        "pld [%[block]]                 \n\t"
        "wstrd wr3, [r5, #8]            \n\t"
        "add r5, r5, %[line_size]       \n\t"
        "pld [%[block], #32]            \n\t"
        "pld [r5]                       \n\t"
        "pld [r5, #32]                  \n\t"
        "bne 1b                         \n\t"
        : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
        :
        :"r4", "r5", "r12", "memory");
}

void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
    int stride = line_size;
    // [wr0 wr1 wr2 wr3] for previous line
    // [wr4 wr5 wr6 wr7] for current line
    __asm__ __volatile__(
        "pld            [%[pixels]]                             \n\t"
        "pld            [%[pixels], #32]                        \n\t"
        "and            r12, %[pixels], #7                      \n\t"
        "tmcr           wcgr1, r12                              \n\t"
        "bic            %[pixels], %[pixels], #7                \n\t"

        "wldrd          wr10, [%[pixels]]                       \n\t"
        "wldrd          wr11, [%[pixels], #8]                   \n\t"
        "pld            [%[block]]                              \n\t"
        "add            %[pixels], %[pixels], %[line_size]      \n\t"
        "walignr1       wr0, wr10, wr11                         \n\t"
        "pld            [%[pixels]]                             \n\t"
        "pld            [%[pixels], #32]                        \n\t"

      "1:                                                       \n\t"
        "wldrd          wr10, [%[pixels]]                       \n\t"
        "wldrd          wr11, [%[pixels], #8]                   \n\t"
        "add            %[pixels], %[pixels], %[line_size]      \n\t"
        "pld            [%[pixels]]                             \n\t"
        "pld            [%[pixels], #32]                        \n\t"
        "walignr1       wr4, wr10, wr11                         \n\t"
        "wldrd          wr10, [%[block]]                        \n\t"
         WAVG2B"        wr8, wr0, wr4                           \n\t"
         WAVG2B"        wr8, wr8, wr10                          \n\t"
        "wstrd          wr8, [%[block]]                         \n\t"
        "add            %[block], %[block], %[line_size]        \n\t"

        "wldrd          wr10, [%[pixels]]                       \n\t"
        "wldrd          wr11, [%[pixels], #8]                   \n\t"
        "pld            [%[block]]                              \n\t"
        "add            %[pixels], %[pixels], %[line_size]      \n\t"
        "pld            [%[pixels]]                             \n\t"
        "pld            [%[pixels], #32]                        \n\t"
        "walignr1       wr0, wr10, wr11                         \n\t"
        "wldrd          wr10, [%[block]]                        \n\t"
         WAVG2B"        wr8, wr0, wr4                           \n\t"
         WAVG2B"        wr8, wr8, wr10                          \n\t"
        "wstrd          wr8, [%[block]]                         \n\t"
        "add            %[block], %[block], %[line_size]        \n\t"

        "subs           %[h], %[h], #2                          \n\t"
        "pld            [%[block]]                              \n\t"
        "bne            1b                                      \n\t"
        : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
        :
        : "cc", "memory", "r12");
}

void DEF(put, pixels16_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
    int stride = line_size;
    // [wr0 wr1 wr2 wr3] for previous line
    // [wr4 wr5 wr6 wr7] for current line
    __asm__ __volatile__(
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "and r12, %[pixels], #7         \n\t"
        "tmcr wcgr1, r12                \n\t"
        "bic %[pixels], %[pixels], #7   \n\t"

        "wldrd wr10, [%[pixels]]        \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "wldrd wr12, [%[pixels], #16]   \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "walignr1 wr0, wr10, wr11       \n\t"
        "walignr1 wr1, wr11, wr12       \n\t"

        "1:                             \n\t"
        "wldrd wr10, [%[pixels]]        \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "wldrd wr12, [%[pixels], #16]   \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "walignr1 wr4, wr10, wr11       \n\t"
        "walignr1 wr5, wr11, wr12       \n\t"
        WAVG2B" wr8, wr0, wr4           \n\t"
        WAVG2B" wr9, wr1, wr5           \n\t"
        "wstrd wr8, [%[block]]          \n\t"
        "wstrd wr9, [%[block], #8]      \n\t"
        "add %[block], %[block], %[line_size]   \n\t"

        "wldrd wr10, [%[pixels]]        \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "wldrd wr12, [%[pixels], #16]   \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "walignr1 wr0, wr10, wr11       \n\t"
        "walignr1 wr1, wr11, wr12       \n\t"
        WAVG2B" wr8, wr0, wr4           \n\t"
        WAVG2B" wr9, wr1, wr5           \n\t"
        "wstrd wr8, [%[block]]          \n\t"
        "wstrd wr9, [%[block], #8]      \n\t"
        "add %[block], %[block], %[line_size]   \n\t"

        "subs %[h], %[h], #2            \n\t"
        "bne 1b                         \n\t"
        : [h]"+r"(h), [pixels]"+r"(pixels), [block]"+r"(block), [line_size]"+r"(stride)
        :
        : "r4", "r5", "r12", "memory");
}

void DEF(avg, pixels16_y2)(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
{
    int stride = line_size;
    // [wr0 wr1 wr2 wr3] for previous line
    // [wr4 wr5 wr6 wr7] for current line
    __asm__ __volatile__(
        "pld [%[pixels]]                \n\t"
        "pld [%[pixels], #32]           \n\t"
        "and r12, %[pixels], #7         \n\t"
        "tmcr wcgr1, r12                \n\t"
        "bic %[pixels], %[pixels], #7   \n\t"

        "wldrd wr10, [%[pixels]]        \n\t"
        "wldrd wr11, [%[pixels], #8]    \n\t"
        "pld [%[block]]                 \n\t"
        "wldrd wr12, [%[pixels], #16]   \n\t"
        "add %[pixels], %[pixels], %[line_size] \n\t"