diff mbox

[FFmpeg-devel] avcodec/mips: [loongson] optimize vp8 decoding in vp8dsp.

Message ID 1529389270-32406-1-git-send-email-yinshiyou-hf@loongson.cn
State Superseded
Headers show

Commit Message

殷时友 June 19, 2018, 6:21 a.m. UTC
From: gxw <guxiwei-hf@loongson.cn>

Optimize vp8 decoding with mmi in function:
1. ff_vp8_h_loop_filter8uv_mmi.
2. ff_vp8_v_loop_filter8uv_mmi.
3. ff_vp8_h_loop_filter16_mmi.
4. ff_vp8_v_loop_filter16_mmi.

Change-Id: Iba567c7ab4c6a284b5e8ccbc567575448a508350
Signed-off-by: gxw <guxiwei-hf@loongson.cn>
Signed-off-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
---
 libavcodec/mips/vp8dsp_mmi.c | 408 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 408 insertions(+)

Comments

殷时友 June 19, 2018, 7:48 a.m. UTC | #1
> -----原始邮件-----

> 发件人: "Shiyou Yin" <yinshiyou-hf@loongson.cn>

> 发送时间: 2018-06-19 14:21:10 (星期二)

> 收件人: ffmpeg-devel@ffmpeg.org

> 抄送: gxw <guxiwei-hf@loongson.cn>

> 主题: [FFmpeg-devel] [PATCH] avcodec/mips: [loongson] optimize vp8 decoding in vp8dsp.

> 

> From: gxw <guxiwei-hf@loongson.cn>

> 

> Optimize vp8 decoding with mmi in function:

> 1. ff_vp8_h_loop_filter8uv_mmi.

> 2. ff_vp8_v_loop_filter8uv_mmi.

> 3. ff_vp8_h_loop_filter16_mmi.

> 4. ff_vp8_v_loop_filter16_mmi.

> 

> Change-Id: Iba567c7ab4c6a284b5e8ccbc567575448a508350

> Signed-off-by: gxw <guxiwei-hf@loongson.cn>

> Signed-off-by: Shiyou Yin <yinshiyou-hf@loongson.cn>

> ---

>  libavcodec/mips/vp8dsp_mmi.c | 408 +++++++++++++++++++++++++++++++++++++++++++

>  1 file changed, 408 insertions(+)

> 

> diff --git a/libavcodec/mips/vp8dsp_mmi.c b/libavcodec/mips/vp8dsp_mmi.c

> index f972628..7103d5d 100644

> --- a/libavcodec/mips/vp8dsp_mmi.c

> +++ b/libavcodec/mips/vp8dsp_mmi.c

> @@ -25,6 +25,251 @@

>  #include "constants.h"

>  #include "libavutil/mips/mmiutils.h"

>  

> +#define DECLARE_DOUBLE_1            double db_1

> +#define DECLARE_DOUBLE_2            double db_2

> +#define DECLARE_UINT32_T            uint32_t  it_1

> +#define RESTRICT_ASM_DOUBLE_1       [db_1]"=&f"(db_1)

> +#define RESTRICT_ASM_DOUBLE_2       [db_2]"=&f"(db_2)

> +#define RESTRICT_ASM_UINT32_T       [it_1]"=&r"(it_1)

> +

> +#define MMI_PSRAB(src, size)                                                \

> +        "li         %[it_1],    0x08                                \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psllh      %[db_2],    "#src",         %[db_1]             \n\t"   \

> +        PTR_ADDU    "%[it_1],   "#size",        %[it_1]             \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psrah      %[db_2],    %[db_2],        %[db_1]             \n\t"   \

> +        "psrah      "#src",     "#src",         %[db_1]             \n\t"   \

> +        PTR_SUBU    "%[it_1],   %[it_1],        "#size"             \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psllh      "#src",     "#src",         %[db_1]             \n\t"   \

> +        "xor        %[db_1],    %[db_1],        %[db_1]             \n\t"   \

> +        "li         %[it_1],    0x00ff00ff                          \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "punpcklwd  %[db_1],    %[db_1],        %[db_1]             \n\t"   \

> +        "and        %[db_2],    %[db_2],        %[db_1]             \n\t"   \

> +        "paddb      "#src",     "#src",         %[db_2]             \n\t"

> +

> +#define MMI_PSRLB(src, size)                                                \

> +        "li         %[it_1],    0x08                                \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psllh      %[db_2],    "#src",         %[db_1]             \n\t"   \

> +        PTR_ADDU    "%[it_1],   "#size",        %[it_1]             \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psrlh      %[db_2],    %[db_2],        %[db_1]             \n\t"   \

> +        "psrlh      "#src",     "#src",         %[db_1]             \n\t"   \

> +        PTR_SUBU    "%[it_1],   %[it_1],        "#size"             \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "psllh      "#src",     "#src",         %[db_1]             \n\t"   \

> +        "paddb      "#src",     "#src",         %[db_2]             \n\t"

> +

> +#define MMI_PCMPGTUB(dst, src1, src2)                                       \

> +        "pcmpeqb    %[db_1],    "#src1",        "#src2"             \n\t"   \

> +        "pmaxub     %[db_2],    "#src1",        "#src2"             \n\t"   \

> +        "pcmpeqb    %[db_2],    %[db_2],        "#src1"             \n\t"   \

> +        "xor        "#dst",     %[db_2],        %[db_1]             \n\t"

> +

> +#define MMI_BTOH(dst_l, dst_r, src)                                         \

> +        "xor        %[db_1],    %[db_1],        %[db_1]             \n\t"   \

> +        "pcmpgtb    %[db_2],    %[db_1],        "#src"              \n\t"   \

> +        "punpcklbh  "#dst_r",   "#src",         %[db_2]             \n\t"   \

> +        "punpckhbh  "#dst_l",   "#src",         %[db_2]             \n\t"

> +

> +#define MMI_TRANSPOSE8x8_UB_UB(src_0, src_1, src_2, src_3,                  \

> +                               src_4, src_5, src_6, src_7,                  \

> +                               dst_0, dst_1, dst_2, dst_3,                  \

> +                               dst_4, dst_5, dst_6, dst_7)                  \

> +        "li         %[it_1],    0xe4                                \n\t"   \

> +        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \

> +        "pshufh     %[db_2],    "#src_0",       %[db_1]             \n\t"   \

> +        "punpcklbh  "#dst_0",   "#src_0",       "#src_1"            \n\t"   \

> +        "punpckhbh  "#dst_1",   %[db_2],        "#src_1"            \n\t"   \

> +        "pshufh     %[db_2],    "#src_2",       %[db_1]             \n\t"   \

> +        "punpcklbh  "#dst_2",   "#src_2",       "#src_3"            \n\t"   \

> +        "punpckhbh  "#dst_3",   %[db_2],        "#src_3"            \n\t"   \

> +        "pshufh     %[db_2],    "#src_4",       %[db_1]             \n\t"   \

> +        "punpcklbh  "#dst_4",   "#src_4",       "#src_5"            \n\t"   \

> +        "punpckhbh  "#dst_5",   %[db_2],        "#src_5"            \n\t"   \

> +        "pshufh     %[db_2],    "#src_6",       %[db_1]             \n\t"   \

> +        "punpcklbh  "#dst_6",   "#src_6",       "#src_7"            \n\t"   \

> +        "punpckhbh  "#dst_7",   %[db_2],        "#src_7"            \n\t"   \

> +                                                                            \

> +        "pshufh     %[db_2],    "#dst_0",       %[db_1]             \n\t"   \

> +        "punpcklhw  "#dst_0",   "#dst_0",       "#dst_2"            \n\t"   \

> +        "punpckhhw  "#dst_2",   %[db_2],        "#dst_2"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \

> +        "punpcklhw  "#dst_1",   "#dst_1",       "#dst_3"            \n\t"   \

> +        "punpckhhw  "#dst_3",   %[db_2],        "#dst_3"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_4",       %[db_1]             \n\t"   \

> +        "punpcklhw  "#dst_4",   "#dst_4",       "#dst_6"            \n\t"   \

> +        "punpckhhw  "#dst_6",   %[db_2],        "#dst_6"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_5",       %[db_1]             \n\t"   \

> +        "punpcklhw  "#dst_5",   "#dst_5",       "#dst_7"            \n\t"   \

> +        "punpckhhw  "#dst_7",   %[db_2],        "#dst_7"            \n\t"   \

> +                                                                            \

> +        "pshufh     %[db_2],    "#dst_0",       %[db_1]             \n\t"   \

> +        "punpcklwd  "#dst_0",   "#dst_0",       "#dst_4"            \n\t"   \

> +        "punpckhwd  "#dst_4",   %[db_2],        "#dst_4"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \

> +        "punpcklwd  "#dst_1",   "#dst_1",       "#dst_5"            \n\t"   \

> +        "punpckhwd  "#dst_5",   %[db_2],        "#dst_5"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_2",       %[db_1]             \n\t"   \

> +        "punpcklwd  "#dst_2",   "#dst_2",       "#dst_6"            \n\t"   \

> +        "punpckhwd  "#dst_6",   %[db_2],        "#dst_6"            \n\t"   \

> +        "pshufh     %[db_2],    "#dst_3",       %[db_1]             \n\t"   \

> +        "punpcklwd  "#dst_3",   "#dst_3",       "#dst_7"            \n\t"   \

> +        "punpckhwd  "#dst_7",   %[db_2],        "#dst_7"            \n\t"   \

> +                                                                            \

> +        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \

> +        "pshufh     "#dst_1",   "#dst_4",       %[db_1]             \n\t"   \

> +        "pshufh     "#dst_4",   %[db_2],        %[db_1]             \n\t"   \

> +        "pshufh     %[db_2],    "#dst_3",       %[db_1]             \n\t"   \

> +        "pshufh     "#dst_3",   "#dst_6",       %[db_1]             \n\t"   \

> +        "pshufh     "#dst_6",   %[db_2],        %[db_1]             \n\t"

> +

> +#define MMI_VP8_LOOP_FILTER                                                 \

> +        /* Calculation of hev */                                            \

> +        "dmtc1      %[thresh],  %[ftmp3]                            \n\t"   \

> +        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "pasubub    %[ftmp0],   %[p1],          %[p0]               \n\t"   \

> +        "pasubub    %[ftmp1],   %[q1],          %[q0]               \n\t"   \

> +        "pmaxub     %[ftmp0],   %[ftmp0],       %[ftmp1]            \n\t"   \

> +        MMI_PCMPGTUB(%[hev], %[ftmp0], %[ftmp3])                            \

> +        /* Calculation of mask */                                           \

> +        "pasubub    %[ftmp1],   %[p0],          %[q0]               \n\t"   \

> +        "paddusb    %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \

> +        "pasubub    %[ftmp2],   %[p1],          %[q1]               \n\t"   \

> +        "li         %[tmp0],    0x01                                \n\t"   \

> +        MMI_PSRLB(%[ftmp2],  %[tmp0])                                       \

> +        "paddusb    %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \

> +        "dmtc1      %[e],       %[ftmp3]                            \n\t"   \

> +        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        MMI_PCMPGTUB(%[mask], %[ftmp1], %[ftmp3])                           \

> +        "pmaxub     %[mask],    %[mask],        %[ftmp0]            \n\t"   \

> +        "pasubub    %[ftmp1],   %[p3],          %[p2]               \n\t"   \

> +        "pasubub    %[ftmp2],   %[p2],          %[p1]               \n\t"   \

> +        "pmaxub     %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \

> +        "pmaxub     %[mask],    %[mask],        %[ftmp1]            \n\t"   \

> +        "pasubub    %[ftmp1],   %[q3],          %[q2]               \n\t"   \

> +        "pasubub    %[ftmp2],   %[q2],          %[q1]               \n\t"   \

> +        "pmaxub     %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \

> +        "pmaxub     %[mask],    %[mask],        %[ftmp1]            \n\t"   \

> +        "dmtc1      %[i],       %[ftmp3]                            \n\t"   \

> +        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \

> +        MMI_PCMPGTUB(%[mask], %[mask], %[ftmp3])                            \

> +        "li         %[tmp0],    0xffffffff                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp3]                            \n\t"   \

> +        "xor        %[mask],    %[mask],        %[ftmp3]            \n\t"   \

> +        /* VP8_MBFILTER */                                                  \

> +        "li         %[tmp0],    0x80808080                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp7]                            \n\t"   \

> +        "punpcklwd  %[ftmp7],   %[ftmp7],       %[ftmp7]            \n\t"   \

> +        "xor        %[p2],      %[p2],          %[ftmp7]            \n\t"   \

> +        "xor        %[p1],      %[p1],          %[ftmp7]            \n\t"   \

> +        "xor        %[p0],      %[p0],          %[ftmp7]            \n\t"   \

> +        "xor        %[q0],      %[q0],          %[ftmp7]            \n\t"   \

> +        "xor        %[q1],      %[q1],          %[ftmp7]            \n\t"   \

> +        "xor        %[q2],      %[q2],          %[ftmp7]            \n\t"   \

> +        "psubsb     %[ftmp4],   %[p1],          %[q1]               \n\t"   \

> +        "psubb      %[ftmp5],   %[q0],          %[p0]               \n\t"   \

> +        "li         %[tmp0],    0x00030003                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp6]                            \n\t"   \

> +        "punpcklwd  %[ftmp6],   %[ftmp6],       %[ftmp6]            \n\t"   \

> +        MMI_BTOH(%[ftmp1],  %[ftmp0],  %[ftmp5])                            \

> +        MMI_BTOH(%[ftmp3],  %[ftmp2],  %[ftmp4])                            \

> +        /* Right part */                                                    \

> +        "pmullh     %[ftmp0],   %[ftmp0],       %[ftmp6]            \n\t"   \

> +        "paddh      %[ftmp0],   %[ftmp2],       %[ftmp0]            \n\t"   \

> +        /* Left part */                                                     \

> +        "pmullh     %[ftmp1],   %[ftmp1],       %[ftmp6]            \n\t"   \

> +        "paddh      %[ftmp1],   %[ftmp3],       %[ftmp1]            \n\t"   \

> +        /* Combine left and right part */                                   \

> +        "packsshb   %[ftmp1],   %[ftmp0],       %[ftmp1]            \n\t"   \

> +        "and        %[ftmp1],   %[ftmp1],       %[mask]             \n\t"   \

> +        "and        %[ftmp2],   %[ftmp1],       %[hev]              \n\t"   \

> +        "li         %[tmp0],    0x04040404                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \

> +        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \

> +        "paddsb     %[ftmp3],   %[ftmp2],       %[ftmp0]            \n\t"   \

> +        "li         %[tmp0],    0x03                                \n\t"   \

> +        MMI_PSRAB(%[ftmp3],  %[tmp0])                                       \

> +        "li         %[tmp0],    0x03030303                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \

> +        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \

> +        "paddsb     %[ftmp4],   %[ftmp2],       %[ftmp0]            \n\t"   \

> +        "li         %[tmp0],    0x03                                \n\t"   \

> +        MMI_PSRAB(%[ftmp4],  %[tmp0])                                       \

> +        "psubsb     %[q0],      %[q0],          %[ftmp3]            \n\t"   \

> +        "paddsb     %[p0],      %[p0],          %[ftmp4]            \n\t"   \

> +        /* filt_val &= ~hev */                                              \

> +        "pcmpeqw    %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \

> +        "xor        %[hev],     %[hev],         %[ftmp0]            \n\t"   \

> +        "and        %[ftmp1],   %[ftmp1],       %[hev]              \n\t"   \

> +        MMI_BTOH(%[ftmp5],  %[ftmp6],  %[ftmp1])                            \

> +        "li         %[tmp0],    0x07                                \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp2]                            \n\t"   \

> +        "li         %[tmp0],    0x001b001b                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \

> +        "punpcklwd  %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \

> +        "li         %[tmp0],    0x003f003f                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \

> +        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \

> +        /* Right part */                                                    \

> +        "pmullh     %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \

> +        /* Left part */                                                     \

> +        "pmullh     %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \

> +        /* Combine left and right part */                                   \

> +        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \

> +        "psubsb     %[q0],      %[q0],          %[ftmp4]            \n\t"   \

> +        "xor        %[q0],      %[q0],          %[ftmp7]            \n\t"   \

> +        "paddsb     %[p0],      %[p0],          %[ftmp4]            \n\t"   \

> +        "xor        %[p0],      %[p0],          %[ftmp7]            \n\t"   \

> +        "li         %[tmp0],    0x00120012                          \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \

> +        "punpcklwd  %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \

> +        /* Right part */                                                    \

> +        "pmullh     %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \

> +        /* Left part */                                                     \

> +        "pmullh     %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \

> +        /* Combine left and right part */                                   \

> +        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \

> +        "psubsb     %[q1],      %[q1],          %[ftmp4]            \n\t"   \

> +        "xor        %[q1],      %[q1],          %[ftmp7]            \n\t"   \

> +        "paddsb     %[p1],      %[p1],          %[ftmp4]            \n\t"   \

> +        "xor        %[p1],      %[p1],          %[ftmp7]            \n\t"   \

> +        "li         %[tmp0],    0x03                                \n\t"   \

> +        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \

> +        /* Right part */                                                    \

> +        "psllh      %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp6]            \n\t"   \

> +        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \

> +        /* Left part */                                                     \

> +        "psllh      %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \

> +        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp5]            \n\t"   \

> +        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \

> +        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \

> +        /* Combine left and right part */                                   \

> +        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \

> +        "psubsb     %[q2],      %[q2],          %[ftmp4]            \n\t"   \

> +        "xor        %[q2],      %[q2],          %[ftmp7]            \n\t"   \

> +        "paddsb     %[p2],      %[p2],          %[ftmp4]            \n\t"   \

> +        "xor        %[p2],      %[p2],          %[ftmp7]            \n\t"

> +

>  #define PUT_VP8_EPEL4_H6_MMI(src, dst)                                      \

>          MMI_ULWC1(%[ftmp1], src, 0x00)                                      \

>          "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"   \

> @@ -621,6 +866,7 @@ static av_always_inline int vp8_normal_limit(uint8_t *p, ptrdiff_t stride,

>  static av_always_inline void vp8_v_loop_filter8_mmi(uint8_t *dst,

>          ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)

>  {

> +#if 0

>      int i;

>  

>      for (i = 0; i < 8; i++)

> @@ -630,6 +876,73 @@ static av_always_inline void vp8_v_loop_filter8_mmi(uint8_t *dst,

>              else

>                  filter_mbedge(dst + i * 1, stride);

>          }

> +#else

> +    double ftmp[18];

> +    uint32_t tmp[1];

> +    DECLARE_DOUBLE_1;

> +    DECLARE_DOUBLE_2;

> +    DECLARE_UINT32_T;

> +    __asm__ volatile(

> +        /* Get data from dst */

> +        "gsldlc1    %[q0],      0x07(%[dst])                      \n\t"

> +        "gsldrc1    %[q0],      0x00(%[dst])                      \n\t"

> +        PTR_SUBU    "%[tmp0],   %[dst],         %[stride]         \n\t"

> +        "gsldlc1    %[p0],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[p0],      0x00(%[tmp0])                     \n\t"

> +        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gsldlc1    %[p1],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[p1],      0x00(%[tmp0])                     \n\t"

> +        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gsldlc1    %[p2],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[p2],      0x00(%[tmp0])                     \n\t"

> +        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gsldlc1    %[p3],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[p3],      0x00(%[tmp0])                     \n\t"

> +        PTR_ADDU    "%[tmp0],   %[dst],         %[stride]         \n\t"

> +        "gsldlc1    %[q1],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[q1],      0x00(%[tmp0])                     \n\t"

> +        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gsldlc1    %[q2],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[q2],      0x00(%[tmp0])                     \n\t"

> +        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gsldlc1    %[q3],      0x07(%[tmp0])                     \n\t"

> +        "gsldrc1    %[q3],      0x00(%[tmp0])                     \n\t"

> +        MMI_VP8_LOOP_FILTER

> +        /* Move to dst */

> +        "gssdlc1    %[q0],      0x07(%[dst])                      \n\t"

> +        "gssdrc1    %[q0],      0x00(%[dst])                      \n\t"

> +        PTR_SUBU    "%[tmp0],   %[dst],         %[stride]         \n\t"

> +        "gssdlc1    %[p0],      0x07(%[tmp0])                     \n\t"

> +        "gssdrc1    %[p0],      0x00(%[tmp0])                     \n\t"

> +        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gssdlc1    %[p1],      0x07(%[tmp0])                     \n\t"

> +        "gssdrc1    %[p1],      0x00(%[tmp0])                     \n\t"

> +        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gssdlc1    %[p2],      0x07(%[tmp0])                     \n\t"

> +        "gssdrc1    %[p2],      0x00(%[tmp0])                     \n\t"

> +        PTR_ADDU    "%[tmp0],   %[dst],         %[stride]         \n\t"

> +        "gssdlc1    %[q1],      0x07(%[tmp0])                     \n\t"

> +        "gssdrc1    %[q1],      0x00(%[tmp0])                     \n\t"

> +        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"

> +        "gssdlc1    %[q2],      0x07(%[tmp0])                     \n\t"

> +        "gssdrc1    %[q2],      0x00(%[tmp0])                     \n\t"

> +        : [p3]"=&f"(ftmp[0]),       [p2]"=&f"(ftmp[1]),

> +          [p1]"=&f"(ftmp[2]),       [p0]"=&f"(ftmp[3]),

> +          [q0]"=&f"(ftmp[4]),       [q1]"=&f"(ftmp[5]),

> +          [q2]"=&f"(ftmp[6]),       [q3]"=&f"(ftmp[7]),

> +          [ftmp0]"=&f"(ftmp[8]),    [ftmp1]"=&f"(ftmp[9]),

> +          [ftmp2]"=&f"(ftmp[10]),   [ftmp3]"=&f"(ftmp[11]),

> +          [hev]"=&f"(ftmp[12]),     [mask]"=&f"(ftmp[13]),

> +          [ftmp4]"=&f"(ftmp[14]),   [ftmp5]"=&f"(ftmp[15]),

> +          [ftmp6]"=&f"(ftmp[16]),   [ftmp7]"=&f"(ftmp[17]),

> +          [dst]"+&r"(dst),          [tmp0]"=&r"(tmp[0]),

> +          RESTRICT_ASM_DOUBLE_1,    RESTRICT_ASM_DOUBLE_2,

> +          RESTRICT_ASM_UINT32_T

> +        : [e]"r"((mips_reg)flim_E), [thresh]"r"((mips_reg)hev_thresh),

> +          [i]"r"((mips_reg)flim_I), [stride]"r"((mips_reg)stride)

> +        : "memory"

> +    );

> +#endif

>  }

>  

>  static av_always_inline void vp8_v_loop_filter8_inner_mmi(uint8_t *dst,

> @@ -650,6 +963,7 @@ static av_always_inline void vp8_v_loop_filter8_inner_mmi(uint8_t *dst,

>  static av_always_inline void vp8_h_loop_filter8_mmi(uint8_t *dst,

>          ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)

>  {

> +#if 0

>      int i;

>  

>      for (i = 0; i < 8; i++)

> @@ -659,6 +973,89 @@ static av_always_inline void vp8_h_loop_filter8_mmi(uint8_t *dst,

>              else

>                  filter_mbedge(dst + i * stride, 1);

>          }

> +#else

> +    double ftmp[18];

> +    uint32_t tmp[1];

> +    DECLARE_DOUBLE_1;

> +    DECLARE_DOUBLE_2;

> +    DECLARE_UINT32_T;

> +    __asm__ volatile(

> +        /* Get data from dst */

> +        "gsldlc1    %[p3],        0x03(%[dst])                    \n\t"

> +        "gsldrc1    %[p3],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[tmp0],     %[dst],           %[stride]     \n\t"

> +        "gsldlc1    %[p2],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[p2],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[p1],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[p1],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[p0],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[p0],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[q0],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[q0],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[q1],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[q1],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[q2],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[q2],        -0x04(%[tmp0])                  \n\t"

> +        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"

> +        "gsldlc1    %[q3],        0x03(%[tmp0])                   \n\t"

> +        "gsldrc1    %[q3],        -0x04(%[tmp0])                  \n\t"

> +        /* Matrix transpose */

> +        MMI_TRANSPOSE8x8_UB_UB(%[p3], %[p2], %[p1], %[p0],

> +                               %[q0], %[q1], %[q2], %[q3],

> +                               %[p3], %[p2], %[p1], %[p0],

> +                               %[q0], %[q1], %[q2], %[q3])

> +        MMI_VP8_LOOP_FILTER

> +        /* Matrix transpose */

> +        MMI_TRANSPOSE8x8_UB_UB(%[p3], %[p2], %[p1], %[p0],

> +                               %[q0], %[q1], %[q2], %[q3],

> +                               %[p3], %[p2], %[p1], %[p0],

> +                               %[q0], %[q1], %[q2], %[q3])

> +        /* Move to dst */

> +        "gssdlc1    %[p3],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[p3],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[p2],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[p2],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[p1],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[p1],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[p0],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[p0],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[q0],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[q0],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[q1],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[q1],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[q2],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[q2],        -0x04(%[dst])                   \n\t"

> +        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"

> +        "gssdlc1    %[q3],        0x03(%[dst])                    \n\t"

> +        "gssdrc1    %[q3],        -0x04(%[dst])                   \n\t"

> +        : [p3]"=&f"(ftmp[0]),       [p2]"=&f"(ftmp[1]),

> +          [p1]"=&f"(ftmp[2]),       [p0]"=&f"(ftmp[3]),

> +          [q0]"=&f"(ftmp[4]),       [q1]"=&f"(ftmp[5]),

> +          [q2]"=&f"(ftmp[6]),       [q3]"=&f"(ftmp[7]),

> +          [ftmp0]"=&f"(ftmp[8]),    [ftmp1]"=&f"(ftmp[9]),

> +          [ftmp2]"=&f"(ftmp[10]),   [ftmp3]"=&f"(ftmp[11]),

> +          [hev]"=&f"(ftmp[12]),     [mask]"=&f"(ftmp[13]),

> +          [ftmp4]"=&f"(ftmp[14]),   [ftmp5]"=&f"(ftmp[15]),

> +          [ftmp6]"=&f"(ftmp[16]),   [ftmp7]"=&f"(ftmp[17]),

> +          [dst]"+&r"(dst),          [tmp0]"=&r"(tmp[0]),

> +          RESTRICT_ASM_DOUBLE_1,    RESTRICT_ASM_DOUBLE_2,

> +          RESTRICT_ASM_UINT32_T

> +        : [e]"r"((mips_reg)flim_E), [thresh]"r"((mips_reg)hev_thresh),

> +          [i]"r"((mips_reg)flim_I), [stride]"r"((mips_reg)stride)

> +        : "memory"

> +    );

> +#endif

>  }

>  

>  static av_always_inline void vp8_h_loop_filter8_inner_mmi(uint8_t *dst,

> @@ -1083,6 +1480,7 @@ void ff_vp8_idct_dc_add4uv_mmi(uint8_t *dst, int16_t block[4][16],

>  void ff_vp8_v_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,

>          int flim_I, int hev_thresh)

>  {

> +#if 0

>      int i;

>  

>      for (i = 0; i < 16; i++)

> @@ -1092,11 +1490,16 @@ void ff_vp8_v_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,

>              else

>                  filter_mbedge(dst + i * 1, stride);

>          }

> +#else

> +    vp8_v_loop_filter8_mmi(dst, stride, flim_E, flim_I, hev_thresh);

> +    vp8_v_loop_filter8_mmi(dst + 8, stride, flim_E, flim_I, hev_thresh);

> +#endif

>  }

>  

>  void ff_vp8_h_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,

>          int flim_I, int hev_thresh)

>  {

> +#if 0

>      int i;

>  

>      for (i = 0; i < 16; i++)

> @@ -1106,6 +1509,11 @@ void ff_vp8_h_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,

>              else

>                  filter_mbedge(dst + i * stride, 1);

>          }

> +#else

> +    vp8_h_loop_filter8_mmi(dst, stride, flim_E, flim_I, hev_thresh);

> +    vp8_h_loop_filter8_mmi(dst + 8 * stride, stride, flim_E, flim_I,

> +                           hev_thresh);

> +#endif

>  }

>  

>  void ff_vp8_v_loop_filter8uv_mmi(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,

> -- 

> 2.1.0

> 

> 

> _______________________________________________

> ffmpeg-devel mailing list

> ffmpeg-devel@ffmpeg.org

> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel


This mail has attached an old patch, sorry for the confusion.
I have re-sent an email to correct this mistake.
diff mbox

Patch

diff --git a/libavcodec/mips/vp8dsp_mmi.c b/libavcodec/mips/vp8dsp_mmi.c
index f972628..7103d5d 100644
--- a/libavcodec/mips/vp8dsp_mmi.c
+++ b/libavcodec/mips/vp8dsp_mmi.c
@@ -25,6 +25,251 @@ 
 #include "constants.h"
 #include "libavutil/mips/mmiutils.h"
 
+#define DECLARE_DOUBLE_1            double db_1
+#define DECLARE_DOUBLE_2            double db_2
+#define DECLARE_UINT32_T            uint32_t  it_1
+#define RESTRICT_ASM_DOUBLE_1       [db_1]"=&f"(db_1)
+#define RESTRICT_ASM_DOUBLE_2       [db_2]"=&f"(db_2)
+#define RESTRICT_ASM_UINT32_T       [it_1]"=&r"(it_1)
+
+#define MMI_PSRAB(src, size)                                                \
+        "li         %[it_1],    0x08                                \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psllh      %[db_2],    "#src",         %[db_1]             \n\t"   \
+        PTR_ADDU    "%[it_1],   "#size",        %[it_1]             \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psrah      %[db_2],    %[db_2],        %[db_1]             \n\t"   \
+        "psrah      "#src",     "#src",         %[db_1]             \n\t"   \
+        PTR_SUBU    "%[it_1],   %[it_1],        "#size"             \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psllh      "#src",     "#src",         %[db_1]             \n\t"   \
+        "xor        %[db_1],    %[db_1],        %[db_1]             \n\t"   \
+        "li         %[it_1],    0x00ff00ff                          \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "punpcklwd  %[db_1],    %[db_1],        %[db_1]             \n\t"   \
+        "and        %[db_2],    %[db_2],        %[db_1]             \n\t"   \
+        "paddb      "#src",     "#src",         %[db_2]             \n\t"
+
+#define MMI_PSRLB(src, size)                                                \
+        "li         %[it_1],    0x08                                \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psllh      %[db_2],    "#src",         %[db_1]             \n\t"   \
+        PTR_ADDU    "%[it_1],   "#size",        %[it_1]             \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psrlh      %[db_2],    %[db_2],        %[db_1]             \n\t"   \
+        "psrlh      "#src",     "#src",         %[db_1]             \n\t"   \
+        PTR_SUBU    "%[it_1],   %[it_1],        "#size"             \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "psllh      "#src",     "#src",         %[db_1]             \n\t"   \
+        "paddb      "#src",     "#src",         %[db_2]             \n\t"
+
+#define MMI_PCMPGTUB(dst, src1, src2)                                       \
+        "pcmpeqb    %[db_1],    "#src1",        "#src2"             \n\t"   \
+        "pmaxub     %[db_2],    "#src1",        "#src2"             \n\t"   \
+        "pcmpeqb    %[db_2],    %[db_2],        "#src1"             \n\t"   \
+        "xor        "#dst",     %[db_2],        %[db_1]             \n\t"
+
+#define MMI_BTOH(dst_l, dst_r, src)                                         \
+        "xor        %[db_1],    %[db_1],        %[db_1]             \n\t"   \
+        "pcmpgtb    %[db_2],    %[db_1],        "#src"              \n\t"   \
+        "punpcklbh  "#dst_r",   "#src",         %[db_2]             \n\t"   \
+        "punpckhbh  "#dst_l",   "#src",         %[db_2]             \n\t"
+
+#define MMI_TRANSPOSE8x8_UB_UB(src_0, src_1, src_2, src_3,                  \
+                               src_4, src_5, src_6, src_7,                  \
+                               dst_0, dst_1, dst_2, dst_3,                  \
+                               dst_4, dst_5, dst_6, dst_7)                  \
+        "li         %[it_1],    0xe4                                \n\t"   \
+        "dmtc1      %[it_1],    %[db_1]                             \n\t"   \
+        "pshufh     %[db_2],    "#src_0",       %[db_1]             \n\t"   \
+        "punpcklbh  "#dst_0",   "#src_0",       "#src_1"            \n\t"   \
+        "punpckhbh  "#dst_1",   %[db_2],        "#src_1"            \n\t"   \
+        "pshufh     %[db_2],    "#src_2",       %[db_1]             \n\t"   \
+        "punpcklbh  "#dst_2",   "#src_2",       "#src_3"            \n\t"   \
+        "punpckhbh  "#dst_3",   %[db_2],        "#src_3"            \n\t"   \
+        "pshufh     %[db_2],    "#src_4",       %[db_1]             \n\t"   \
+        "punpcklbh  "#dst_4",   "#src_4",       "#src_5"            \n\t"   \
+        "punpckhbh  "#dst_5",   %[db_2],        "#src_5"            \n\t"   \
+        "pshufh     %[db_2],    "#src_6",       %[db_1]             \n\t"   \
+        "punpcklbh  "#dst_6",   "#src_6",       "#src_7"            \n\t"   \
+        "punpckhbh  "#dst_7",   %[db_2],        "#src_7"            \n\t"   \
+                                                                            \
+        "pshufh     %[db_2],    "#dst_0",       %[db_1]             \n\t"   \
+        "punpcklhw  "#dst_0",   "#dst_0",       "#dst_2"            \n\t"   \
+        "punpckhhw  "#dst_2",   %[db_2],        "#dst_2"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \
+        "punpcklhw  "#dst_1",   "#dst_1",       "#dst_3"            \n\t"   \
+        "punpckhhw  "#dst_3",   %[db_2],        "#dst_3"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_4",       %[db_1]             \n\t"   \
+        "punpcklhw  "#dst_4",   "#dst_4",       "#dst_6"            \n\t"   \
+        "punpckhhw  "#dst_6",   %[db_2],        "#dst_6"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_5",       %[db_1]             \n\t"   \
+        "punpcklhw  "#dst_5",   "#dst_5",       "#dst_7"            \n\t"   \
+        "punpckhhw  "#dst_7",   %[db_2],        "#dst_7"            \n\t"   \
+                                                                            \
+        "pshufh     %[db_2],    "#dst_0",       %[db_1]             \n\t"   \
+        "punpcklwd  "#dst_0",   "#dst_0",       "#dst_4"            \n\t"   \
+        "punpckhwd  "#dst_4",   %[db_2],        "#dst_4"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \
+        "punpcklwd  "#dst_1",   "#dst_1",       "#dst_5"            \n\t"   \
+        "punpckhwd  "#dst_5",   %[db_2],        "#dst_5"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_2",       %[db_1]             \n\t"   \
+        "punpcklwd  "#dst_2",   "#dst_2",       "#dst_6"            \n\t"   \
+        "punpckhwd  "#dst_6",   %[db_2],        "#dst_6"            \n\t"   \
+        "pshufh     %[db_2],    "#dst_3",       %[db_1]             \n\t"   \
+        "punpcklwd  "#dst_3",   "#dst_3",       "#dst_7"            \n\t"   \
+        "punpckhwd  "#dst_7",   %[db_2],        "#dst_7"            \n\t"   \
+                                                                            \
+        "pshufh     %[db_2],    "#dst_1",       %[db_1]             \n\t"   \
+        "pshufh     "#dst_1",   "#dst_4",       %[db_1]             \n\t"   \
+        "pshufh     "#dst_4",   %[db_2],        %[db_1]             \n\t"   \
+        "pshufh     %[db_2],    "#dst_3",       %[db_1]             \n\t"   \
+        "pshufh     "#dst_3",   "#dst_6",       %[db_1]             \n\t"   \
+        "pshufh     "#dst_6",   %[db_2],        %[db_1]             \n\t"
+
+#define MMI_VP8_LOOP_FILTER                                                 \
+        /* Calculation of hev */                                            \
+        "dmtc1      %[thresh],  %[ftmp3]                            \n\t"   \
+        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "pasubub    %[ftmp0],   %[p1],          %[p0]               \n\t"   \
+        "pasubub    %[ftmp1],   %[q1],          %[q0]               \n\t"   \
+        "pmaxub     %[ftmp0],   %[ftmp0],       %[ftmp1]            \n\t"   \
+        MMI_PCMPGTUB(%[hev], %[ftmp0], %[ftmp3])                            \
+        /* Calculation of mask */                                           \
+        "pasubub    %[ftmp1],   %[p0],          %[q0]               \n\t"   \
+        "paddusb    %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \
+        "pasubub    %[ftmp2],   %[p1],          %[q1]               \n\t"   \
+        "li         %[tmp0],    0x01                                \n\t"   \
+        MMI_PSRLB(%[ftmp2],  %[tmp0])                                       \
+        "paddusb    %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \
+        "dmtc1      %[e],       %[ftmp3]                            \n\t"   \
+        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        MMI_PCMPGTUB(%[mask], %[ftmp1], %[ftmp3])                           \
+        "pmaxub     %[mask],    %[mask],        %[ftmp0]            \n\t"   \
+        "pasubub    %[ftmp1],   %[p3],          %[p2]               \n\t"   \
+        "pasubub    %[ftmp2],   %[p2],          %[p1]               \n\t"   \
+        "pmaxub     %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \
+        "pmaxub     %[mask],    %[mask],        %[ftmp1]            \n\t"   \
+        "pasubub    %[ftmp1],   %[q3],          %[q2]               \n\t"   \
+        "pasubub    %[ftmp2],   %[q2],          %[q1]               \n\t"   \
+        "pmaxub     %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"   \
+        "pmaxub     %[mask],    %[mask],        %[ftmp1]            \n\t"   \
+        "dmtc1      %[i],       %[ftmp3]                            \n\t"   \
+        "punpcklbh  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklhw  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        "punpcklwd  %[ftmp3],   %[ftmp3],       %[ftmp3]            \n\t"   \
+        MMI_PCMPGTUB(%[mask], %[mask], %[ftmp3])                            \
+        "li         %[tmp0],    0xffffffff                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp3]                            \n\t"   \
+        "xor        %[mask],    %[mask],        %[ftmp3]            \n\t"   \
+        /* VP8_MBFILTER */                                                  \
+        "li         %[tmp0],    0x80808080                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp7]                            \n\t"   \
+        "punpcklwd  %[ftmp7],   %[ftmp7],       %[ftmp7]            \n\t"   \
+        "xor        %[p2],      %[p2],          %[ftmp7]            \n\t"   \
+        "xor        %[p1],      %[p1],          %[ftmp7]            \n\t"   \
+        "xor        %[p0],      %[p0],          %[ftmp7]            \n\t"   \
+        "xor        %[q0],      %[q0],          %[ftmp7]            \n\t"   \
+        "xor        %[q1],      %[q1],          %[ftmp7]            \n\t"   \
+        "xor        %[q2],      %[q2],          %[ftmp7]            \n\t"   \
+        "psubsb     %[ftmp4],   %[p1],          %[q1]               \n\t"   \
+        "psubb      %[ftmp5],   %[q0],          %[p0]               \n\t"   \
+        "li         %[tmp0],    0x00030003                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp6]                            \n\t"   \
+        "punpcklwd  %[ftmp6],   %[ftmp6],       %[ftmp6]            \n\t"   \
+        MMI_BTOH(%[ftmp1],  %[ftmp0],  %[ftmp5])                            \
+        MMI_BTOH(%[ftmp3],  %[ftmp2],  %[ftmp4])                            \
+        /* Right part */                                                    \
+        "pmullh     %[ftmp0],   %[ftmp0],       %[ftmp6]            \n\t"   \
+        "paddh      %[ftmp0],   %[ftmp2],       %[ftmp0]            \n\t"   \
+        /* Left part */                                                     \
+        "pmullh     %[ftmp1],   %[ftmp1],       %[ftmp6]            \n\t"   \
+        "paddh      %[ftmp1],   %[ftmp3],       %[ftmp1]            \n\t"   \
+        /* Combine left and right part */                                   \
+        "packsshb   %[ftmp1],   %[ftmp0],       %[ftmp1]            \n\t"   \
+        "and        %[ftmp1],   %[ftmp1],       %[mask]             \n\t"   \
+        "and        %[ftmp2],   %[ftmp1],       %[hev]              \n\t"   \
+        "li         %[tmp0],    0x04040404                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \
+        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \
+        "paddsb     %[ftmp3],   %[ftmp2],       %[ftmp0]            \n\t"   \
+        "li         %[tmp0],    0x03                                \n\t"   \
+        MMI_PSRAB(%[ftmp3],  %[tmp0])                                       \
+        "li         %[tmp0],    0x03030303                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \
+        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \
+        "paddsb     %[ftmp4],   %[ftmp2],       %[ftmp0]            \n\t"   \
+        "li         %[tmp0],    0x03                                \n\t"   \
+        MMI_PSRAB(%[ftmp4],  %[tmp0])                                       \
+        "psubsb     %[q0],      %[q0],          %[ftmp3]            \n\t"   \
+        "paddsb     %[p0],      %[p0],          %[ftmp4]            \n\t"   \
+        /* filt_val &= ~hev */                                              \
+        "pcmpeqw    %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \
+        "xor        %[hev],     %[hev],         %[ftmp0]            \n\t"   \
+        "and        %[ftmp1],   %[ftmp1],       %[hev]              \n\t"   \
+        MMI_BTOH(%[ftmp5],  %[ftmp6],  %[ftmp1])                            \
+        "li         %[tmp0],    0x07                                \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp2]                            \n\t"   \
+        "li         %[tmp0],    0x001b001b                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \
+        "punpcklwd  %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \
+        "li         %[tmp0],    0x003f003f                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp0]                            \n\t"   \
+        "punpcklwd  %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"   \
+        /* Right part */                                                    \
+        "pmullh     %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \
+        /* Left part */                                                     \
+        "pmullh     %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \
+        /* Combine left and right part */                                   \
+        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \
+        "psubsb     %[q0],      %[q0],          %[ftmp4]            \n\t"   \
+        "xor        %[q0],      %[q0],          %[ftmp7]            \n\t"   \
+        "paddsb     %[p0],      %[p0],          %[ftmp4]            \n\t"   \
+        "xor        %[p0],      %[p0],          %[ftmp7]            \n\t"   \
+        "li         %[tmp0],    0x00120012                          \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \
+        "punpcklwd  %[ftmp1],   %[ftmp1],       %[ftmp1]            \n\t"   \
+        /* Right part */                                                    \
+        "pmullh     %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \
+        /* Left part */                                                     \
+        "pmullh     %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \
+        /* Combine left and right part */                                   \
+        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \
+        "psubsb     %[q1],      %[q1],          %[ftmp4]            \n\t"   \
+        "xor        %[q1],      %[q1],          %[ftmp7]            \n\t"   \
+        "paddsb     %[p1],      %[p1],          %[ftmp4]            \n\t"   \
+        "xor        %[p1],      %[p1],          %[ftmp7]            \n\t"   \
+        "li         %[tmp0],    0x03                                \n\t"   \
+        "dmtc1      %[tmp0],    %[ftmp1]                            \n\t"   \
+        /* Right part */                                                    \
+        "psllh      %[ftmp3],   %[ftmp6],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp6]            \n\t"   \
+        "paddh      %[ftmp3],   %[ftmp3],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp3],   %[ftmp3],       %[ftmp2]            \n\t"   \
+        /* Left part */                                                     \
+        "psllh      %[ftmp4],   %[ftmp5],       %[ftmp1]            \n\t"   \
+        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp5]            \n\t"   \
+        "paddh      %[ftmp4],   %[ftmp4],       %[ftmp0]            \n\t"   \
+        "psrah      %[ftmp4],   %[ftmp4],       %[ftmp2]            \n\t"   \
+        /* Combine left and right part */                                   \
+        "packsshb   %[ftmp4],   %[ftmp3],       %[ftmp4]            \n\t"   \
+        "psubsb     %[q2],      %[q2],          %[ftmp4]            \n\t"   \
+        "xor        %[q2],      %[q2],          %[ftmp7]            \n\t"   \
+        "paddsb     %[p2],      %[p2],          %[ftmp4]            \n\t"   \
+        "xor        %[p2],      %[p2],          %[ftmp7]            \n\t"
+
 #define PUT_VP8_EPEL4_H6_MMI(src, dst)                                      \
         MMI_ULWC1(%[ftmp1], src, 0x00)                                      \
         "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"   \
@@ -621,6 +866,7 @@  static av_always_inline int vp8_normal_limit(uint8_t *p, ptrdiff_t stride,
 static av_always_inline void vp8_v_loop_filter8_mmi(uint8_t *dst,
         ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
 {
+#if 0
     int i;
 
     for (i = 0; i < 8; i++)
@@ -630,6 +876,73 @@  static av_always_inline void vp8_v_loop_filter8_mmi(uint8_t *dst,
             else
                 filter_mbedge(dst + i * 1, stride);
         }
+#else
+    double ftmp[18];
+    uint32_t tmp[1];
+    DECLARE_DOUBLE_1;
+    DECLARE_DOUBLE_2;
+    DECLARE_UINT32_T;
+    __asm__ volatile(
+        /* Get data from dst */
+        "gsldlc1    %[q0],      0x07(%[dst])                      \n\t"
+        "gsldrc1    %[q0],      0x00(%[dst])                      \n\t"
+        PTR_SUBU    "%[tmp0],   %[dst],         %[stride]         \n\t"
+        "gsldlc1    %[p0],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[p0],      0x00(%[tmp0])                     \n\t"
+        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gsldlc1    %[p1],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[p1],      0x00(%[tmp0])                     \n\t"
+        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gsldlc1    %[p2],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[p2],      0x00(%[tmp0])                     \n\t"
+        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gsldlc1    %[p3],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[p3],      0x00(%[tmp0])                     \n\t"
+        PTR_ADDU    "%[tmp0],   %[dst],         %[stride]         \n\t"
+        "gsldlc1    %[q1],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[q1],      0x00(%[tmp0])                     \n\t"
+        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gsldlc1    %[q2],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[q2],      0x00(%[tmp0])                     \n\t"
+        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gsldlc1    %[q3],      0x07(%[tmp0])                     \n\t"
+        "gsldrc1    %[q3],      0x00(%[tmp0])                     \n\t"
+        MMI_VP8_LOOP_FILTER
+        /* Move to dst */
+        "gssdlc1    %[q0],      0x07(%[dst])                      \n\t"
+        "gssdrc1    %[q0],      0x00(%[dst])                      \n\t"
+        PTR_SUBU    "%[tmp0],   %[dst],         %[stride]         \n\t"
+        "gssdlc1    %[p0],      0x07(%[tmp0])                     \n\t"
+        "gssdrc1    %[p0],      0x00(%[tmp0])                     \n\t"
+        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gssdlc1    %[p1],      0x07(%[tmp0])                     \n\t"
+        "gssdrc1    %[p1],      0x00(%[tmp0])                     \n\t"
+        PTR_SUBU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gssdlc1    %[p2],      0x07(%[tmp0])                     \n\t"
+        "gssdrc1    %[p2],      0x00(%[tmp0])                     \n\t"
+        PTR_ADDU    "%[tmp0],   %[dst],         %[stride]         \n\t"
+        "gssdlc1    %[q1],      0x07(%[tmp0])                     \n\t"
+        "gssdrc1    %[q1],      0x00(%[tmp0])                     \n\t"
+        PTR_ADDU    "%[tmp0],   %[tmp0],        %[stride]         \n\t"
+        "gssdlc1    %[q2],      0x07(%[tmp0])                     \n\t"
+        "gssdrc1    %[q2],      0x00(%[tmp0])                     \n\t"
+        : [p3]"=&f"(ftmp[0]),       [p2]"=&f"(ftmp[1]),
+          [p1]"=&f"(ftmp[2]),       [p0]"=&f"(ftmp[3]),
+          [q0]"=&f"(ftmp[4]),       [q1]"=&f"(ftmp[5]),
+          [q2]"=&f"(ftmp[6]),       [q3]"=&f"(ftmp[7]),
+          [ftmp0]"=&f"(ftmp[8]),    [ftmp1]"=&f"(ftmp[9]),
+          [ftmp2]"=&f"(ftmp[10]),   [ftmp3]"=&f"(ftmp[11]),
+          [hev]"=&f"(ftmp[12]),     [mask]"=&f"(ftmp[13]),
+          [ftmp4]"=&f"(ftmp[14]),   [ftmp5]"=&f"(ftmp[15]),
+          [ftmp6]"=&f"(ftmp[16]),   [ftmp7]"=&f"(ftmp[17]),
+          [dst]"+&r"(dst),          [tmp0]"=&r"(tmp[0]),
+          RESTRICT_ASM_DOUBLE_1,    RESTRICT_ASM_DOUBLE_2,
+          RESTRICT_ASM_UINT32_T
+        : [e]"r"((mips_reg)flim_E), [thresh]"r"((mips_reg)hev_thresh),
+          [i]"r"((mips_reg)flim_I), [stride]"r"((mips_reg)stride)
+        : "memory"
+    );
+#endif
 }
 
 static av_always_inline void vp8_v_loop_filter8_inner_mmi(uint8_t *dst,
@@ -650,6 +963,7 @@  static av_always_inline void vp8_v_loop_filter8_inner_mmi(uint8_t *dst,
 static av_always_inline void vp8_h_loop_filter8_mmi(uint8_t *dst,
         ptrdiff_t stride, int flim_E, int flim_I, int hev_thresh)
 {
+#if 0
     int i;
 
     for (i = 0; i < 8; i++)
@@ -659,6 +973,89 @@  static av_always_inline void vp8_h_loop_filter8_mmi(uint8_t *dst,
             else
                 filter_mbedge(dst + i * stride, 1);
         }
+#else
+    double ftmp[18];
+    uint32_t tmp[1];
+    DECLARE_DOUBLE_1;
+    DECLARE_DOUBLE_2;
+    DECLARE_UINT32_T;
+    __asm__ volatile(
+        /* Get data from dst */
+        "gsldlc1    %[p3],        0x03(%[dst])                    \n\t"
+        "gsldrc1    %[p3],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[tmp0],     %[dst],           %[stride]     \n\t"
+        "gsldlc1    %[p2],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[p2],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[p1],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[p1],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[p0],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[p0],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[q0],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[q0],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[q1],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[q1],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[q2],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[q2],        -0x04(%[tmp0])                  \n\t"
+        PTR_ADDU    "%[tmp0],     %[tmp0],          %[stride]     \n\t"
+        "gsldlc1    %[q3],        0x03(%[tmp0])                   \n\t"
+        "gsldrc1    %[q3],        -0x04(%[tmp0])                  \n\t"
+        /* Matrix transpose */
+        MMI_TRANSPOSE8x8_UB_UB(%[p3], %[p2], %[p1], %[p0],
+                               %[q0], %[q1], %[q2], %[q3],
+                               %[p3], %[p2], %[p1], %[p0],
+                               %[q0], %[q1], %[q2], %[q3])
+        MMI_VP8_LOOP_FILTER
+        /* Matrix transpose */
+        MMI_TRANSPOSE8x8_UB_UB(%[p3], %[p2], %[p1], %[p0],
+                               %[q0], %[q1], %[q2], %[q3],
+                               %[p3], %[p2], %[p1], %[p0],
+                               %[q0], %[q1], %[q2], %[q3])
+        /* Move to dst */
+        "gssdlc1    %[p3],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[p3],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[p2],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[p2],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[p1],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[p1],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[p0],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[p0],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[q0],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[q0],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[q1],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[q1],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[q2],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[q2],        -0x04(%[dst])                   \n\t"
+        PTR_ADDU    "%[dst],      %[dst],           %[stride]     \n\t"
+        "gssdlc1    %[q3],        0x03(%[dst])                    \n\t"
+        "gssdrc1    %[q3],        -0x04(%[dst])                   \n\t"
+        : [p3]"=&f"(ftmp[0]),       [p2]"=&f"(ftmp[1]),
+          [p1]"=&f"(ftmp[2]),       [p0]"=&f"(ftmp[3]),
+          [q0]"=&f"(ftmp[4]),       [q1]"=&f"(ftmp[5]),
+          [q2]"=&f"(ftmp[6]),       [q3]"=&f"(ftmp[7]),
+          [ftmp0]"=&f"(ftmp[8]),    [ftmp1]"=&f"(ftmp[9]),
+          [ftmp2]"=&f"(ftmp[10]),   [ftmp3]"=&f"(ftmp[11]),
+          [hev]"=&f"(ftmp[12]),     [mask]"=&f"(ftmp[13]),
+          [ftmp4]"=&f"(ftmp[14]),   [ftmp5]"=&f"(ftmp[15]),
+          [ftmp6]"=&f"(ftmp[16]),   [ftmp7]"=&f"(ftmp[17]),
+          [dst]"+&r"(dst),          [tmp0]"=&r"(tmp[0]),
+          RESTRICT_ASM_DOUBLE_1,    RESTRICT_ASM_DOUBLE_2,
+          RESTRICT_ASM_UINT32_T
+        : [e]"r"((mips_reg)flim_E), [thresh]"r"((mips_reg)hev_thresh),
+          [i]"r"((mips_reg)flim_I), [stride]"r"((mips_reg)stride)
+        : "memory"
+    );
+#endif
 }
 
 static av_always_inline void vp8_h_loop_filter8_inner_mmi(uint8_t *dst,
@@ -1083,6 +1480,7 @@  void ff_vp8_idct_dc_add4uv_mmi(uint8_t *dst, int16_t block[4][16],
 void ff_vp8_v_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,
         int flim_I, int hev_thresh)
 {
+#if 0
     int i;
 
     for (i = 0; i < 16; i++)
@@ -1092,11 +1490,16 @@  void ff_vp8_v_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,
             else
                 filter_mbedge(dst + i * 1, stride);
         }
+#else
+    vp8_v_loop_filter8_mmi(dst, stride, flim_E, flim_I, hev_thresh);
+    vp8_v_loop_filter8_mmi(dst + 8, stride, flim_E, flim_I, hev_thresh);
+#endif
 }
 
 void ff_vp8_h_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,
         int flim_I, int hev_thresh)
 {
+#if 0
     int i;
 
     for (i = 0; i < 16; i++)
@@ -1106,6 +1509,11 @@  void ff_vp8_h_loop_filter16_mmi(uint8_t *dst, ptrdiff_t stride, int flim_E,
             else
                 filter_mbedge(dst + i * stride, 1);
         }
+#else
+    vp8_h_loop_filter8_mmi(dst, stride, flim_E, flim_I, hev_thresh);
+    vp8_h_loop_filter8_mmi(dst + 8 * stride, stride, flim_E, flim_I,
+                           hev_thresh);
+#endif
 }
 
 void ff_vp8_v_loop_filter8uv_mmi(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,