]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/mips/h264chroma_mmi.c
avutil/mips: refactor msa SLDI_Bn_0 and SLDI_Bn macros.
[ffmpeg] / libavcodec / mips / h264chroma_mmi.c
index bafe0f92ac68aec4bfdf5b19966e415c63655305..739dd7d4d695570defd22677dd28cd0e6d6fe410 100644 (file)
 void ff_put_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         int h, int x, int y)
 {
-    const int A = (8 - x) * (8 - y);
-    const int B = x * (8 - y);
-    const int C = (8 - x) * y;
-    const int D = x * y;
-    const int E = B + C;
-    double ftmp[10];
+    int A = 64, B, C, D, E;
+    double ftmp[12];
     uint64_t tmp[1];
-    mips_reg addr[1];
-    DECLARE_VAR_ALL64;
 
-    if (D) {
+    if (!(x || y)) {
+        /* x=0, y=0, A=64 */
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "pshufh     %[B],       %[B],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp9]                            \n\t"
-            "pshufh     %[C],       %[C],           %[ftmp0]            \n\t"
-            "pshufh     %[D],       %[D],           %[ftmp0]            \n\t"
+            "1:                                                        \n\t"
+            MMI_ULDC1(%[ftmp0], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp1], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp2], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp3], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
 
-            "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[stride]           \n\t"
+            "addi       %[h],       %[h],           -0x04              \n\t"
+
+            MMI_SDC1(%[ftmp0], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            MMI_SDC1(%[ftmp1], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            MMI_SDC1(%[ftmp2], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            MMI_SDC1(%[ftmp3], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            "bnez       %[h],       1b                                 \n\t"
+            : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
+              [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
+              [dst]"+&r"(dst),              [src]"+&r"(src),
+              [h]"+&r"(h)
+            : [stride]"r"((mips_reg)stride)
+            : "memory"
+        );
+    } else if (x && y) {
+        /* x!=0, y!=0 */
+        D = x * y;
+        B = (x << 3) - D;
+        C = (y << 3) - D;
+        A = 64 - D - B - C;
+
+        __asm__ volatile (
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]           \n\t"
+            "dli        %[tmp0],    0x06                               \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]           \n\t"
+            "pshufh     %[B],       %[B],           %[ftmp0]           \n\t"
+            "mtc1       %[tmp0],    %[ftmp9]                           \n\t"
+            "pshufh     %[C],       %[C],           %[ftmp0]           \n\t"
+            "pshufh     %[D],       %[D],           %[ftmp0]           \n\t"
+
+            "1:                                                        \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
             MMI_ULDC1(%[ftmp2], %[src], 0x01)
-            MMI_ULDC1(%[ftmp3], %[addr0], 0x00)
-            MMI_ULDC1(%[ftmp4], %[addr0], 0x01)
-
-            "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp7],   %[ftmp2],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp8],   %[ftmp2],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[A]                \n\t"
-            "pmullh     %[ftmp7],   %[ftmp7],       %[B]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp5],       %[ftmp7]            \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[A]                \n\t"
-            "pmullh     %[ftmp8],   %[ftmp8],       %[B]                \n\t"
-            "paddh      %[ftmp2],   %[ftmp6],       %[ftmp8]            \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp3], %[src], 0x00)
+            MMI_ULDC1(%[ftmp4], %[src], 0x01)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp10], %[src], 0x00)
+            MMI_ULDC1(%[ftmp11], %[src], 0x01)
+            "addi       %[h],       %[h],           -0x02              \n\t"
+
+            "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp2],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp2],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[A]               \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[B]               \n\t"
+            "paddh      %[ftmp1],   %[ftmp5],       %[ftmp7]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[A]               \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[B]               \n\t"
+            "paddh      %[ftmp2],   %[ftmp6],       %[ftmp8]           \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp3],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp4],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp4],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[C]               \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[D]               \n\t"
+            "paddh      %[ftmp5],   %[ftmp5],       %[ftmp7]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[C]               \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[D]               \n\t"
+            "paddh      %[ftmp6],   %[ftmp6],       %[ftmp8]           \n\t"
+            "paddh      %[ftmp1],   %[ftmp1],       %[ftmp5]           \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ftmp6]           \n\t"
+            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]        \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]        \n\t"
+            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp9]           \n\t"
+            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp9]           \n\t"
+            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]           \n\t"
+
+            "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp3],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp4],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp4],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[A]               \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[B]               \n\t"
+            "paddh      %[ftmp3],   %[ftmp5],       %[ftmp7]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[A]               \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[B]               \n\t"
+            "paddh      %[ftmp4],   %[ftmp6],       %[ftmp8]           \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp10],      %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp10],      %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp11],      %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp11],      %[ftmp0]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[C]               \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[D]               \n\t"
+            "paddh      %[ftmp5],   %[ftmp5],       %[ftmp7]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[C]               \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[D]               \n\t"
+            "paddh      %[ftmp6],   %[ftmp6],       %[ftmp8]           \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ftmp5]           \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ftmp6]           \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ff_pw_32]        \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ff_pw_32]        \n\t"
+            "psrlh      %[ftmp3],   %[ftmp3],       %[ftmp9]           \n\t"
+            "psrlh      %[ftmp4],   %[ftmp4],       %[ftmp9]           \n\t"
+            "packushb   %[ftmp3],   %[ftmp3],       %[ftmp4]           \n\t"
 
-            "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp3],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp7],   %[ftmp4],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp8],   %[ftmp4],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[C]                \n\t"
-            "pmullh     %[ftmp7],   %[ftmp7],       %[D]                \n\t"
-            "paddh      %[ftmp3],   %[ftmp5],       %[ftmp7]            \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[C]                \n\t"
-            "pmullh     %[ftmp8],   %[ftmp8],       %[D]                \n\t"
-            "paddh      %[ftmp4],   %[ftmp6],       %[ftmp8]            \n\t"
-
-            "paddh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp9]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp9]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            "bnez       %[h],       1b                                  \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            MMI_SDC1(%[ftmp3], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            "bnez       %[h],       1b                                 \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
               [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [ftmp8]"=&f"(ftmp[8]),        [ftmp9]"=&f"(ftmp[9]),
+              [ftmp10]"=&f"(ftmp[10]),      [ftmp11]"=&f"(ftmp[11]),
               [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
             : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
@@ -105,103 +166,122 @@ void ff_put_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
               [C]"f"(C),                    [D]"f"(D)
             : "memory"
         );
-    } else if (E) {
-        const int step = C ? stride : 1;
+    } else if (x) {
+        /* x!=0, y==0 */
+        E = x << 3;
+        A = 64 - E;
 
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "pshufh     %[E],       %[E],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp7]                            \n\t"
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]           \n\t"
+            "dli        %[tmp0],    0x06                               \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]           \n\t"
+            "pshufh     %[E],       %[E],           %[ftmp0]           \n\t"
+            "mtc1       %[tmp0],    %[ftmp7]                           \n\t"
 
-            "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
+            "1:                                                        \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            MMI_ULDC1(%[ftmp2], %[addr0], 0x00)
-
-            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp3],   %[ftmp3],       %[A]                \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[E]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp3],       %[ftmp5]            \n\t"
-            "pmullh     %[ftmp4],   %[ftmp4],       %[A]                \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[E]                \n\t"
-            "paddh      %[ftmp2],   %[ftmp4],       %[ftmp6]            \n\t"
-
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp7]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
+            MMI_ULDC1(%[ftmp2], %[src], 0x01)
+            "addi       %[h],       %[h],           -0x01              \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+
+            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp3],   %[ftmp3],       %[A]               \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[E]               \n\t"
+            "paddh      %[ftmp1],   %[ftmp3],       %[ftmp5]           \n\t"
+            "pmullh     %[ftmp4],   %[ftmp4],       %[A]               \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[E]               \n\t"
+            "paddh      %[ftmp2],   %[ftmp4],       %[ftmp6]           \n\t"
+
+            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]        \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]        \n\t"
+            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]           \n\t"
+            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp7]           \n\t"
+            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]           \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            "bnez       %[h],       1b                                  \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            "bnez       %[h],       1b                                 \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
               [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[step]"r"((mips_reg)step),
+            : [stride]"r"((mips_reg)stride),
               [ff_pw_32]"f"(ff_pw_32),
               [A]"f"(A),                    [E]"f"(E)
             : "memory"
         );
     } else {
+        /* x==0, y!=0 */
+        E = y << 3;
+        A = 64 - E;
+
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp4]                            \n\t"
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]           \n\t"
+            "dli        %[tmp0],    0x06                               \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]           \n\t"
+            "pshufh     %[E],       %[E],           %[ftmp0]           \n\t"
+            "mtc1       %[tmp0],    %[ftmp7]                           \n\t"
 
-            "1:                                                         \n\t"
+            "1:                                                        \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "pmullh     %[ftmp2],   %[ftmp3],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp4]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            MMI_SDC1(%[ftmp1], %[dst], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp2], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]          \n\t"
+            MMI_ULDC1(%[ftmp8], %[src], 0x00)
+            "addi       %[h],       %[h],           -0x02              \n\t"
+
+            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp3],   %[ftmp3],       %[A]               \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[E]               \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ftmp5]           \n\t"
+            "pmullh     %[ftmp4],   %[ftmp4],       %[A]               \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[E]               \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ftmp6]           \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ff_pw_32]        \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ff_pw_32]        \n\t"
+            "psrlh      %[ftmp3],   %[ftmp3],       %[ftmp7]           \n\t"
+            "psrlh      %[ftmp4],   %[ftmp4],       %[ftmp7]           \n\t"
+            "packushb   %[ftmp1],   %[ftmp3],       %[ftmp4]           \n\t"
+
+            "punpcklbh  %[ftmp3],   %[ftmp2],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp4],   %[ftmp2],       %[ftmp0]           \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp8],       %[ftmp0]           \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp8],       %[ftmp0]           \n\t"
+            "pmullh     %[ftmp3],   %[ftmp3],       %[A]               \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[E]               \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ftmp5]           \n\t"
+            "pmullh     %[ftmp4],   %[ftmp4],       %[A]               \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[E]               \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ftmp6]           \n\t"
+            "paddh      %[ftmp3],   %[ftmp3],       %[ff_pw_32]        \n\t"
+            "paddh      %[ftmp4],   %[ftmp4],       %[ff_pw_32]        \n\t"
+            "psrlh      %[ftmp3],   %[ftmp3],       %[ftmp7]           \n\t"
+            "psrlh      %[ftmp4],   %[ftmp4],       %[ftmp7]           \n\t"
+            "packushb   %[ftmp2],   %[ftmp3],       %[ftmp4]           \n\t"
 
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "pmullh     %[ftmp2],   %[ftmp3],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp4]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x02               \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
-
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            "bnez       %[h],       1b                                  \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            MMI_SDC1(%[ftmp2], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]          \n\t"
+            "bnez       %[h],       1b                                 \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
-              [ftmp4]"=&f"(ftmp[4]),
-              [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
+              [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
+              [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
+              [ftmp8]"=&f"(ftmp[8]),        [tmp0]"=&r"(tmp[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
-              [A]"f"(A)
+            : [stride]"r"((mips_reg)stride),
+              [ff_pw_32]"f"(ff_pw_32),
+              [A]"f"(A),                    [E]"f"(E)
             : "memory"
         );
     }
@@ -210,77 +290,100 @@ void ff_put_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
 void ff_avg_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         int h, int x, int y)
 {
-    const int A = (8 - x) * (8 - y);
-    const int B = x * (8 - y);
-    const int C = (8 - x) * y;
-    const int D = x * y;
-    const int E = B + C;
+    int A = 64, B, C, D, E;
     double ftmp[10];
     uint64_t tmp[1];
-    mips_reg addr[1];
-    DECLARE_VAR_ALL64;
 
-    if (D) {
+    if(!(x || y)){
+        /* x=0, y=0, A=64 */
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "pshufh     %[B],       %[B],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp9]                            \n\t"
-            "pshufh     %[C],       %[C],           %[ftmp0]            \n\t"
-            "pshufh     %[D],       %[D],           %[ftmp0]            \n\t"
-
             "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[stride]           \n\t"
+            MMI_ULDC1(%[ftmp0], %[src], 0x00)
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            MMI_ULDC1(%[ftmp2], %[src], 0x01)
-            MMI_ULDC1(%[ftmp3], %[addr0], 0x00)
-            MMI_ULDC1(%[ftmp4], %[addr0], 0x01)
-
-            "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp7],   %[ftmp2],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp8],   %[ftmp2],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[A]                \n\t"
-            "pmullh     %[ftmp7],   %[ftmp7],       %[B]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp5],       %[ftmp7]            \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[A]                \n\t"
-            "pmullh     %[ftmp8],   %[ftmp8],       %[B]                \n\t"
-            "paddh      %[ftmp2],   %[ftmp6],       %[ftmp8]            \n\t"
-
-            "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp3],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp7],   %[ftmp4],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp8],   %[ftmp4],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[C]                \n\t"
-            "pmullh     %[ftmp7],   %[ftmp7],       %[D]                \n\t"
-            "paddh      %[ftmp3],   %[ftmp5],       %[ftmp7]            \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[C]                \n\t"
-            "pmullh     %[ftmp8],   %[ftmp8],       %[D]                \n\t"
-            "paddh      %[ftmp4],   %[ftmp6],       %[ftmp8]            \n\t"
-
-            "paddh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp9]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp9]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             MMI_LDC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
+            MMI_LDC1(%[ftmp3], %[dst], 0x00)
+            PTR_SUBU   "%[dst],     %[dst],         %[stride]           \n\t"
+            "pavgb      %[ftmp0],   %[ftmp0],       %[ftmp2]            \n\t"
+            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
+            MMI_SDC1(%[ftmp0], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            "addi       %[h],       %[h],           -0x02               \n\t"
             "bnez       %[h],       1b                                  \n\t"
+            : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
+              [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
+              [dst]"+&r"(dst),              [src]"+&r"(src),
+              [h]"+&r"(h)
+            : [stride]"r"((mips_reg)stride)
+            : "memory"
+        );
+    } else if (x && y) {
+        /* x!=0, y!=0 */
+        D = x * y;
+        B = (x << 3) - D;
+        C = (y << 3) - D;
+        A = 64 - D - B - C;
+        __asm__ volatile (
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]       \n\t"
+            "dli        %[tmp0],    0x06                           \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]       \n\t"
+            "pshufh     %[B],       %[B],           %[ftmp0]       \n\t"
+            "mtc1       %[tmp0],    %[ftmp9]                       \n\t"
+            "pshufh     %[C],       %[C],           %[ftmp0]       \n\t"
+            "pshufh     %[D],       %[D],           %[ftmp0]       \n\t"
+
+            "1:                                                    \n\t"
+            MMI_ULDC1(%[ftmp1], %[src], 0x00)
+            MMI_ULDC1(%[ftmp2], %[src], 0x01)
+            PTR_ADDU   "%[src],     %[src],         %[stride]      \n\t"
+            MMI_ULDC1(%[ftmp3], %[src], 0x00)
+            MMI_ULDC1(%[ftmp4], %[src], 0x01)
+            "addi       %[h],       %[h],           -0x01          \n\t"
+
+            "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp2],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp2],       %[ftmp0]       \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[A]           \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[B]           \n\t"
+            "paddh      %[ftmp1],   %[ftmp5],       %[ftmp7]       \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[A]           \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[B]           \n\t"
+            "paddh      %[ftmp2],   %[ftmp6],       %[ftmp8]       \n\t"
+
+            "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp3],       %[ftmp0]       \n\t"
+            "punpcklbh  %[ftmp7],   %[ftmp4],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp8],   %[ftmp4],       %[ftmp0]       \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[C]           \n\t"
+            "pmullh     %[ftmp7],   %[ftmp7],       %[D]           \n\t"
+            "paddh      %[ftmp3],   %[ftmp5],       %[ftmp7]       \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[C]           \n\t"
+            "pmullh     %[ftmp8],   %[ftmp8],       %[D]           \n\t"
+            "paddh      %[ftmp4],   %[ftmp6],       %[ftmp8]       \n\t"
+
+            "paddh      %[ftmp1],   %[ftmp1],       %[ftmp3]       \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ftmp4]       \n\t"
+            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]    \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]    \n\t"
+            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp9]       \n\t"
+            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp9]       \n\t"
+            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
+            MMI_LDC1(%[ftmp2], %[dst], 0x00)
+            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
+            MMI_SDC1(%[ftmp1], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]      \n\t"
+            "bnez       %[h],       1b                             \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
               [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [ftmp8]"=&f"(ftmp[8]),        [ftmp9]"=&f"(ftmp[9]),
               [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
             : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
@@ -288,109 +391,104 @@ void ff_avg_h264_chroma_mc8_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
               [C]"f"(C),                    [D]"f"(D)
             : "memory"
         );
-    } else if (E) {
-        const int step = C ? stride : 1;
-
+    } else if (x) {
+        /* x!=0, y==0 */
+        E = x << 3;
+        A = 64 - E;
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "pshufh     %[E],       %[E],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp7]                            \n\t"
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]       \n\t"
+            "dli        %[tmp0],    0x06                           \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]       \n\t"
+            "pshufh     %[E],       %[E],           %[ftmp0]       \n\t"
+            "mtc1       %[tmp0],    %[ftmp7]                       \n\t"
 
-            "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
+            "1:                                                    \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            MMI_ULDC1(%[ftmp2], %[addr0], 0x00)
-
-            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp3],   %[ftmp3],       %[A]                \n\t"
-            "pmullh     %[ftmp5],   %[ftmp5],       %[E]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp3],       %[ftmp5]            \n\t"
-            "pmullh     %[ftmp4],   %[ftmp4],       %[A]                \n\t"
-            "pmullh     %[ftmp6],   %[ftmp6],       %[E]                \n\t"
-            "paddh      %[ftmp2],   %[ftmp4],       %[ftmp6]            \n\t"
-
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp7]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+            MMI_ULDC1(%[ftmp2], %[src], 0x01)
+            PTR_ADDU   "%[src],     %[src],         %[stride]      \n\t"
+            "addi       %[h],       %[h],           -0x01          \n\t"
+
+            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]       \n\t"
+            "pmullh     %[ftmp3],   %[ftmp3],       %[A]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[E]           \n\t"
+            "paddh      %[ftmp1],   %[ftmp3],       %[ftmp5]       \n\t"
+            "pmullh     %[ftmp4],   %[ftmp4],       %[A]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[E]           \n\t"
+            "paddh      %[ftmp2],   %[ftmp4],       %[ftmp6]       \n\t"
+
+            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]    \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]    \n\t"
+            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]       \n\t"
+            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp7]       \n\t"
+            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
             MMI_LDC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
+            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            "bnez       %[h],       1b                                  \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]      \n\t"
+            "bnez       %[h],       1b                             \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
               [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[step]"r"((mips_reg)step),
+            : [stride]"r"((mips_reg)stride),
               [ff_pw_32]"f"(ff_pw_32),
               [A]"f"(A),                    [E]"f"(E)
             : "memory"
         );
     } else {
+        /* x==0, y!=0 */
+        E = y << 3;
+        A = 64 - E;
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp4]                            \n\t"
+            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]       \n\t"
+            "dli        %[tmp0],    0x06                           \n\t"
+            "pshufh     %[A],       %[A],           %[ftmp0]       \n\t"
+            "pshufh     %[E],       %[E],           %[ftmp0]       \n\t"
+            "mtc1       %[tmp0],    %[ftmp7]                       \n\t"
 
-            "1:                                                         \n\t"
+            "1:                                                    \n\t"
             MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "pmullh     %[ftmp2],   %[ftmp3],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp4]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]      \n\t"
+            MMI_ULDC1(%[ftmp2], %[src], 0x00)
+            "addi       %[h],       %[h],           -0x01          \n\t"
+
+            "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp4],   %[ftmp1],       %[ftmp0]       \n\t"
+            "punpcklbh  %[ftmp5],   %[ftmp2],       %[ftmp0]       \n\t"
+            "punpckhbh  %[ftmp6],   %[ftmp2],       %[ftmp0]       \n\t"
+            "pmullh     %[ftmp3],   %[ftmp3],       %[A]           \n\t"
+            "pmullh     %[ftmp5],   %[ftmp5],       %[E]           \n\t"
+            "paddh      %[ftmp1],   %[ftmp3],       %[ftmp5]       \n\t"
+            "pmullh     %[ftmp4],   %[ftmp4],       %[A]           \n\t"
+            "pmullh     %[ftmp6],   %[ftmp6],       %[E]           \n\t"
+            "paddh      %[ftmp2],   %[ftmp4],       %[ftmp6]       \n\t"
+
+            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]    \n\t"
+            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]    \n\t"
+            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]       \n\t"
+            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp7]       \n\t"
+            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
             MMI_LDC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]       \n\t"
             MMI_SDC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-
-            MMI_ULDC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "punpckhbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "pmullh     %[ftmp2],   %[ftmp3],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "paddh      %[ftmp2],   %[ftmp2],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp4]            \n\t"
-            "psrlh      %[ftmp2],   %[ftmp2],       %[ftmp4]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            MMI_LDC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x02               \n\t"
-            MMI_SDC1(%[ftmp1], %[dst], 0x00)
-
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-            "bnez       %[h],       1b                                  \n\t"
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]      \n\t"
+            "bnez       %[h],       1b                             \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
-              [ftmp4]"=&f"(ftmp[4]),
+              [ftmp4]"=&f"(ftmp[4]),        [ftmp5]"=&f"(ftmp[5]),
+              [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_ALL64
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
-              [A]"f"(A)
+            : [stride]"r"((mips_reg)stride),
+              [ff_pw_32]"f"(ff_pw_32),
+              [A]"f"(A),                    [E]"f"(E)
             : "memory"
         );
     }
@@ -401,8 +499,8 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
 {
     const int A = (8 - x) * (8 - y);
     const int B = x * (8 - y);
-    const int C = (8 - x) *  y;
-    const int D = x *  y;
+    const int C = (8 - x) * y;
+    const int D = x * y;
     const int E = B + C;
     double ftmp[8];
     uint64_t tmp[1];
@@ -420,31 +518,29 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
             "pshufh     %[D],       %[D],           %[ftmp0]            \n\t"
 
             "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[stride]           \n\t"
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
             MMI_ULWC1(%[ftmp2], %[src], 0x01)
-            MMI_ULWC1(%[ftmp3], %[addr0], 0x00)
-            MMI_ULWC1(%[ftmp4], %[addr0], 0x01)
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            MMI_ULWC1(%[ftmp3], %[src], 0x00)
+            MMI_ULWC1(%[ftmp4], %[src], 0x01)
 
             "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp6],   %[ftmp2],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp5],   %[ftmp5],       %[A]                \n\t"
             "pmullh     %[ftmp6],   %[ftmp6],       %[B]                \n\t"
             "paddh      %[ftmp1],   %[ftmp5],       %[ftmp6]            \n\t"
-
             "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp6],   %[ftmp4],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp5],   %[ftmp5],       %[C]                \n\t"
             "pmullh     %[ftmp6],   %[ftmp6],       %[D]                \n\t"
             "paddh      %[ftmp2],   %[ftmp5],       %[ftmp6]            \n\t"
-
             "paddh      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
             "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
             "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]            \n\t"
             "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
+
             "addi       %[h],       %[h],           -0x01               \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
@@ -453,7 +549,6 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [tmp0]"=&r"(tmp[0]),
               RESTRICT_ASM_LOW32
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
             : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
@@ -463,7 +558,6 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         );
     } else if (E) {
         const int step = C ? stride : 1;
-
         __asm__ volatile (
             "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
             "dli        %[tmp0],    0x06                                \n\t"
@@ -472,22 +566,20 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
             "mtc1       %[tmp0],    %[ftmp5]                            \n\t"
 
             "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
+            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
             MMI_ULWC1(%[ftmp2], %[addr0], 0x00)
-
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            "addi       %[h],       %[h],           -0x01               \n\t"
             "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp4],   %[ftmp2],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp3],   %[ftmp3],       %[A]                \n\t"
             "pmullh     %[ftmp4],   %[ftmp4],       %[E]                \n\t"
             "paddh      %[ftmp1],   %[ftmp3],       %[ftmp4]            \n\t"
-
             "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
             "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp5]            \n\t"
             "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
@@ -505,42 +597,22 @@ void ff_put_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         );
     } else {
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp3]                            \n\t"
-
             "1:                                                         \n\t"
-            MMI_ULWC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
+            MMI_ULWC1(%[ftmp0], %[src], 0x00)
             PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             "addi       %[h],       %[h],           -0x02               \n\t"
+            MMI_SWC1(%[ftmp0], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
-              [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
-              [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_LOW32
               [dst]"+&r"(dst),              [src]"+&r"(src),
+              RESTRICT_ASM_LOW32
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
-              [A]"f"(A)
+            : [stride]"r"((mips_reg)stride)
             : "memory"
         );
     }
@@ -570,33 +642,31 @@ void ff_avg_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
             "pshufh     %[D],       %[D],           %[ftmp0]            \n\t"
 
             "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[stride]           \n\t"
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
             MMI_ULWC1(%[ftmp2], %[src], 0x01)
-            MMI_ULWC1(%[ftmp3], %[addr0], 0x00)
-            MMI_ULWC1(%[ftmp4], %[addr0], 0x01)
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            MMI_ULWC1(%[ftmp3], %[src], 0x00)
+            MMI_ULWC1(%[ftmp4], %[src], 0x01)
 
             "punpcklbh  %[ftmp5],   %[ftmp1],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp6],   %[ftmp2],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp5],   %[ftmp5],       %[A]                \n\t"
             "pmullh     %[ftmp6],   %[ftmp6],       %[B]                \n\t"
             "paddh      %[ftmp1],   %[ftmp5],       %[ftmp6]            \n\t"
-
             "punpcklbh  %[ftmp5],   %[ftmp3],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp6],   %[ftmp4],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp5],   %[ftmp5],       %[C]                \n\t"
             "pmullh     %[ftmp6],   %[ftmp6],       %[D]                \n\t"
             "paddh      %[ftmp2],   %[ftmp5],       %[ftmp6]            \n\t"
-
             "paddh      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
             "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
             "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp7]            \n\t"
             "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
             MMI_LWC1(%[ftmp2], %[dst], 0x00)
             "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+
             "addi       %[h],       %[h],           -0x01               \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
@@ -605,7 +675,6 @@ void ff_avg_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
               [ftmp6]"=&f"(ftmp[6]),        [ftmp7]"=&f"(ftmp[7]),
               [tmp0]"=&r"(tmp[0]),
               RESTRICT_ASM_LOW32
-              [addr0]"=&r"(addr[0]),
               [dst]"+&r"(dst),              [src]"+&r"(src),
               [h]"+&r"(h)
             : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
@@ -615,32 +684,30 @@ void ff_avg_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         );
     } else if (E) {
         const int step = C ? stride : 1;
-
         __asm__ volatile (
             "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
             "dli        %[tmp0],    0x06                                \n\t"
             "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
             "pshufh     %[E],       %[E],           %[ftmp0]            \n\t"
             "mtc1       %[tmp0],    %[ftmp5]                            \n\t"
+
             "1:                                                         \n\t"
-            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
+            PTR_ADDU   "%[addr0],   %[src],         %[step]             \n\t"
             MMI_ULWC1(%[ftmp2], %[addr0], 0x00)
-
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
+            "addi       %[h],       %[h],           -0x01               \n\t"
             "punpcklbh  %[ftmp3],   %[ftmp1],       %[ftmp0]            \n\t"
             "punpcklbh  %[ftmp4],   %[ftmp2],       %[ftmp0]            \n\t"
             "pmullh     %[ftmp3],   %[ftmp3],       %[A]                \n\t"
             "pmullh     %[ftmp4],   %[ftmp4],       %[E]                \n\t"
             "paddh      %[ftmp1],   %[ftmp3],       %[ftmp4]            \n\t"
-
             "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
             "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp5]            \n\t"
             "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
             MMI_LWC1(%[ftmp2], %[dst], 0x00)
             "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
-            "addi       %[h],       %[h],           -0x01               \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
@@ -658,46 +725,27 @@ void ff_avg_h264_chroma_mc4_mmi(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
         );
     } else {
         __asm__ volatile (
-            "xor        %[ftmp0],   %[ftmp0],       %[ftmp0]            \n\t"
-            "dli        %[tmp0],    0x06                                \n\t"
-            "pshufh     %[A],       %[A],           %[ftmp0]            \n\t"
-            "mtc1       %[tmp0],    %[ftmp3]                            \n\t"
-
             "1:                                                         \n\t"
-            MMI_ULWC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
-            MMI_LWC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+            MMI_ULWC1(%[ftmp0], %[src], 0x00)
             PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
-            MMI_SWC1(%[ftmp1], %[dst], 0x00)
-            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
-
             MMI_ULWC1(%[ftmp1], %[src], 0x00)
-            "punpcklbh  %[ftmp2],   %[ftmp1],       %[ftmp0]            \n\t"
-            "pmullh     %[ftmp1],   %[ftmp2],       %[A]                \n\t"
-            "paddh      %[ftmp1],   %[ftmp1],       %[ff_pw_32]         \n\t"
-            "psrlh      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
-            "packushb   %[ftmp1],   %[ftmp1],       %[ftmp0]            \n\t"
-            MMI_LWC1(%[ftmp2], %[dst], 0x00)
-            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp2]            \n\t"
+            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             "addi       %[h],       %[h],           -0x02               \n\t"
+            MMI_LWC1(%[ftmp2], %[dst], 0x00)
+            "pavgb      %[ftmp0],   %[ftmp0],       %[ftmp2]            \n\t"
+            MMI_SWC1(%[ftmp0], %[dst], 0x00)
+            PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
+            MMI_LWC1(%[ftmp3], %[dst], 0x00)
+            "pavgb      %[ftmp1],   %[ftmp1],       %[ftmp3]            \n\t"
             MMI_SWC1(%[ftmp1], %[dst], 0x00)
-
-            PTR_ADDU   "%[src],     %[src],         %[stride]           \n\t"
             PTR_ADDU   "%[dst],     %[dst],         %[stride]           \n\t"
             "bnez       %[h],       1b                                  \n\t"
             : [ftmp0]"=&f"(ftmp[0]),        [ftmp1]"=&f"(ftmp[1]),
               [ftmp2]"=&f"(ftmp[2]),        [ftmp3]"=&f"(ftmp[3]),
-              [tmp0]"=&r"(tmp[0]),
-              RESTRICT_ASM_LOW32
               [dst]"+&r"(dst),              [src]"+&r"(src),
+              RESTRICT_ASM_LOW32
               [h]"+&r"(h)
-            : [stride]"r"((mips_reg)stride),[ff_pw_32]"f"(ff_pw_32),
-              [A]"f"(A)
+            : [stride]"r"((mips_reg)stride)
             : "memory"
         );
     }