* mostly by Michael Niedermayer <michaelni@gmx.at>
*/
#include "../dsputil.h"
+#include "../mangle.h"
static const __attribute__ ((aligned(8))) UINT64 round_tab[3]={
0x0000000000000000,
0x0002000200020002,
};
+static __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL;
+
static inline void sad8_mmx(UINT8 *blk1, UINT8 *blk2, int stride, int h)
{
int len= -(stride<<h);
int len= -(stride<<h);
asm volatile(
".balign 16 \n\t"
+ "movq "MANGLE(bone)", %%mm5 \n\t"
"1: \n\t"
"movq (%1, %%eax), %%mm0 \n\t"
"movq (%2, %%eax), %%mm2 \n\t"
"movq 1(%2, %%eax), %%mm3 \n\t"
"pavgb %%mm2, %%mm0 \n\t"
"pavgb %%mm1, %%mm3 \n\t"
+ "psubusb %%mm5, %%mm3 \n\t"
"pavgb %%mm3, %%mm0 \n\t"
"movq (%3, %%eax), %%mm2 \n\t"
"psadbw %%mm2, %%mm0 \n\t"
"movq 1(%2, %%eax), %%mm4 \n\t"
"pavgb %%mm3, %%mm1 \n\t"
"pavgb %%mm4, %%mm2 \n\t"
+ "psubusb %%mm5, %%mm2 \n\t"
"pavgb %%mm1, %%mm2 \n\t"
"movq (%3, %%eax), %%mm1 \n\t"
"psadbw %%mm1, %%mm2 \n\t"