Diff of /libpostproc/postprocess_template.c [f1b154] .. [f39cdd]  Maximize  Restore

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--- a/libpostproc/postprocess_template.c
+++ b/libpostproc/postprocess_template.c
@@ -348,110 +348,6 @@
 #endif //HAVE_MMX2 || HAVE_AMD3DNOW
 }
 #endif //HAVE_ALTIVEC
-
-#if 0
-/**
- * Experimental implementation of the filter (Algorithm 1) described in a paper from Ramkishor & Karandikar
- * values are correctly clipped (MMX2)
- * values are wraparound (C)
- * Conclusion: It is fast, but introduces ugly horizontal patterns
- * if there is a continuous gradient.
-        0 8 16 24
-        x = 8
-        x/2 = 4
-        x/8 = 1
-        1 12 12 23
- */
-static inline void RENAME(vertRK1Filter)(uint8_t *src, int stride, int QP)
-{
-#if HAVE_MMX2 || HAVE_AMD3DNOW
-    src+= stride*3;
-// FIXME rounding
-    __asm__ volatile(
-        "pxor %%mm7, %%mm7                      \n\t" // 0
-        "movq "MANGLE(b80)", %%mm6              \n\t" // MIN_SIGNED_BYTE
-        "leal (%0, %1), %%"REG_a"               \n\t"
-        "leal (%%"REG_a", %1, 4), %%"REG_c"     \n\t"
-//      0       1       2       3       4       5       6       7       8       9
-//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
-        "movq "MANGLE(pQPb)", %%mm0             \n\t" // QP,..., QP
-        "movq %%mm0, %%mm1                      \n\t" // QP,..., QP
-        "paddusb "MANGLE(b02)", %%mm0           \n\t"
-        "psrlw $2, %%mm0                        \n\t"
-        "pand "MANGLE(b3F)", %%mm0              \n\t" // QP/4,..., QP/4
-        "paddusb %%mm1, %%mm0                   \n\t" // QP*1.25 ...
-        "movq (%0, %1, 4), %%mm2                \n\t" // line 4
-        "movq (%%"REG_c"), %%mm3                \n\t" // line 5
-        "movq %%mm2, %%mm4                      \n\t" // line 4
-        "pcmpeqb %%mm5, %%mm5                   \n\t" // -1
-        "pxor %%mm2, %%mm5                      \n\t" // -line 4 - 1
-        PAVGB(%%mm3, %%mm5)
-        "paddb %%mm6, %%mm5                     \n\t" // (l5-l4)/2
-        "psubusb %%mm3, %%mm4                   \n\t"
-        "psubusb %%mm2, %%mm3                   \n\t"
-        "por %%mm3, %%mm4                       \n\t" // |l4 - l5|
-        "psubusb %%mm0, %%mm4                   \n\t"
-        "pcmpeqb %%mm7, %%mm4                   \n\t"
-        "pand %%mm4, %%mm5                      \n\t" // d/2
-
-//        "paddb %%mm6, %%mm2                     \n\t" // line 4 + 0x80
-        "paddb %%mm5, %%mm2                     \n\t"
-//        "psubb %%mm6, %%mm2                     \n\t"
-        "movq %%mm2, (%0,%1, 4)                 \n\t"
-
-        "movq (%%"REG_c"), %%mm2                \n\t"
-//        "paddb %%mm6, %%mm2                     \n\t" // line 5 + 0x80
-        "psubb %%mm5, %%mm2                     \n\t"
-//        "psubb %%mm6, %%mm2                     \n\t"
-        "movq %%mm2, (%%"REG_c")                \n\t"
-
-        "paddb %%mm6, %%mm5                     \n\t"
-        "psrlw $2, %%mm5                        \n\t"
-        "pand "MANGLE(b3F)", %%mm5              \n\t"
-        "psubb "MANGLE(b20)", %%mm5             \n\t" // (l5-l4)/8
-
-        "movq (%%"REG_a", %1, 2), %%mm2         \n\t"
-        "paddb %%mm6, %%mm2                     \n\t" // line 3 + 0x80
-        "paddsb %%mm5, %%mm2                    \n\t"
-        "psubb %%mm6, %%mm2                     \n\t"
-        "movq %%mm2, (%%"REG_a", %1, 2)         \n\t"
-
-        "movq (%%"REG_c", %1), %%mm2            \n\t"
-        "paddb %%mm6, %%mm2                     \n\t" // line 6 + 0x80
-        "psubsb %%mm5, %%mm2                    \n\t"
-        "psubb %%mm6, %%mm2                     \n\t"
-        "movq %%mm2, (%%"REG_c", %1)            \n\t"
-
-        :
-        : "r" (src), "r" ((x86_reg)stride)
-        : "%"REG_a, "%"REG_c
-    );
-#else //HAVE_MMX2 || HAVE_AMD3DNOW
-    const int l1= stride;
-    const int l2= stride + l1;
-    const int l3= stride + l2;
-    const int l4= stride + l3;
-    const int l5= stride + l4;
-    const int l6= stride + l5;
-//    const int l7= stride + l6;
-//    const int l8= stride + l7;
-//    const int l9= stride + l8;
-    int x;
-    const int QP15= QP + (QP>>2);
-    src+= stride*3;
-    for(x=0; x<BLOCK_SIZE; x++){
-        const int v = (src[x+l5] - src[x+l4]);
-        if(FFABS(v) < QP15){
-            src[x+l3] +=v>>3;
-            src[x+l4] +=v>>1;
-            src[x+l5] -=v>>1;
-            src[x+l6] -=v>>3;
-        }
-    }
-
-#endif //HAVE_MMX2 || HAVE_AMD3DNOW
-}
-#endif //0
 
 /**
  * Experimental Filter 1

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