📄 dsputil_mmx.c
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TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)
STORE4(8 , %%mm0, %%mm3, %%mm7, %%mm2)
"movq 120(%1), %%mm7 \n\t"
TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)
"movq %%mm7, %%mm5 \n\t"//FIXME remove
"movq %%mm6, %%mm7 \n\t"
"movq %%mm0, %%mm6 \n\t"
// STORE4(72, %%mm4, %%mm7, %%mm0, %%mm6) //FIXME remove
LOAD4(64, %%mm0, %%mm1, %%mm2, %%mm3)
// LOAD4(72, %%mm4, %%mm5, %%mm6, %%mm7)
HADAMARD48
"movq %%mm7, 64(%1) \n\t"
MMABS_MMX2(%%mm0, %%mm7)
MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm2, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm3, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm4, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm5, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm6, %%mm7, %%mm0)
"movq 64(%1), %%mm1 \n\t"
MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
"movq %%mm0, 64(%1) \n\t"
LOAD4(0 , %%mm0, %%mm1, %%mm2, %%mm3)
LOAD4(8 , %%mm4, %%mm5, %%mm6, %%mm7)
HADAMARD48
"movq %%mm7, (%1) \n\t"
MMABS_MMX2(%%mm0, %%mm7)
MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm2, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm3, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm4, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm5, %%mm7, %%mm0)
MMABS_SUM_MMX2(%%mm6, %%mm7, %%mm0)
"movq (%1), %%mm1 \n\t"
MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
"movq 64(%1), %%mm1 \n\t"
MMABS_SUM_MMX2(%%mm1, %%mm7, %%mm0)
"movq %%mm0, %%mm1 \n\t"
"psrlq $32, %%mm0 \n\t"
"paddusw %%mm1, %%mm0 \n\t"
"movq %%mm0, %%mm1 \n\t"
"psrlq $16, %%mm0 \n\t"
"paddusw %%mm1, %%mm0 \n\t"
"movd %%mm0, %0 \n\t"
: "=r" (sum)
: "r"(temp)
);
return sum&0xFFFF;
}
WARPER8_16_SQ(hadamard8_diff_mmx, hadamard8_diff16_mmx)
WARPER8_16_SQ(hadamard8_diff_mmx2, hadamard8_diff16_mmx2)
#endif //CONFIG_ENCODERS
#define put_no_rnd_pixels8_mmx(a,b,c,d) put_pixels8_mmx(a,b,c,d)
#define put_no_rnd_pixels16_mmx(a,b,c,d) put_pixels16_mmx(a,b,c,d)
#define QPEL_V_LOW(m3,m4,m5,m6, pw_20, pw_3, rnd, in0, in1, in2, in7, out, OP)\
"paddw " #m4 ", " #m3 " \n\t" /* x1 */\
"movq "MANGLE(ff_pw_20)", %%mm4 \n\t" /* 20 */\
"pmullw " #m3 ", %%mm4 \n\t" /* 20x1 */\
"movq "#in7", " #m3 " \n\t" /* d */\
"movq "#in0", %%mm5 \n\t" /* D */\
"paddw " #m3 ", %%mm5 \n\t" /* x4 */\
"psubw %%mm5, %%mm4 \n\t" /* 20x1 - x4 */\
"movq "#in1", %%mm5 \n\t" /* C */\
"movq "#in2", %%mm6 \n\t" /* B */\
"paddw " #m6 ", %%mm5 \n\t" /* x3 */\
"paddw " #m5 ", %%mm6 \n\t" /* x2 */\
"paddw %%mm6, %%mm6 \n\t" /* 2x2 */\
"psubw %%mm6, %%mm5 \n\t" /* -2x2 + x3 */\
"pmullw "MANGLE(ff_pw_3)", %%mm5 \n\t" /* -6x2 + 3x3 */\
"paddw " #rnd ", %%mm4 \n\t" /* x2 */\
"paddw %%mm4, %%mm5 \n\t" /* 20x1 - 6x2 + 3x3 - x4 */\
"psraw $5, %%mm5 \n\t"\
"packuswb %%mm5, %%mm5 \n\t"\
OP(%%mm5, out, %%mm7, d)
#define QPEL_BASE(OPNAME, ROUNDER, RND, OP_MMX2, OP_3DNOW)\
static void OPNAME ## mpeg4_qpel16_h_lowpass_mmx2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
uint64_t temp;\
\
asm volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t" /* ABCDEFGH */\
"movq %%mm0, %%mm1 \n\t" /* ABCDEFGH */\
"movq %%mm0, %%mm2 \n\t" /* ABCDEFGH */\
"punpcklbw %%mm7, %%mm0 \n\t" /* 0A0B0C0D */\
"punpckhbw %%mm7, %%mm1 \n\t" /* 0E0F0G0H */\
"pshufw $0x90, %%mm0, %%mm5 \n\t" /* 0A0A0B0C */\
"pshufw $0x41, %%mm0, %%mm6 \n\t" /* 0B0A0A0B */\
"movq %%mm2, %%mm3 \n\t" /* ABCDEFGH */\
"movq %%mm2, %%mm4 \n\t" /* ABCDEFGH */\
"psllq $8, %%mm2 \n\t" /* 0ABCDEFG */\
"psllq $16, %%mm3 \n\t" /* 00ABCDEF */\
"psllq $24, %%mm4 \n\t" /* 000ABCDE */\
"punpckhbw %%mm7, %%mm2 \n\t" /* 0D0E0F0G */\
"punpckhbw %%mm7, %%mm3 \n\t" /* 0C0D0E0F */\
"punpckhbw %%mm7, %%mm4 \n\t" /* 0B0C0D0E */\
"paddw %%mm3, %%mm5 \n\t" /* b */\
"paddw %%mm2, %%mm6 \n\t" /* c */\
"paddw %%mm5, %%mm5 \n\t" /* 2b */\
"psubw %%mm5, %%mm6 \n\t" /* c - 2b */\
"pshufw $0x06, %%mm0, %%mm5 \n\t" /* 0C0B0A0A */\
"pmullw "MANGLE(ff_pw_3)", %%mm6 \n\t" /* 3c - 6b */\
"paddw %%mm4, %%mm0 \n\t" /* a */\
"paddw %%mm1, %%mm5 \n\t" /* d */\
"pmullw "MANGLE(ff_pw_20)", %%mm0 \n\t" /* 20a */\
"psubw %%mm5, %%mm0 \n\t" /* 20a - d */\
"paddw %6, %%mm6 \n\t"\
"paddw %%mm6, %%mm0 \n\t" /* 20a - 6b + 3c - d */\
"psraw $5, %%mm0 \n\t"\
"movq %%mm0, %5 \n\t"\
/* mm1=EFGH, mm2=DEFG, mm3=CDEF, mm4=BCDE, mm7=0 */\
\
"movq 5(%0), %%mm0 \n\t" /* FGHIJKLM */\
"movq %%mm0, %%mm5 \n\t" /* FGHIJKLM */\
"movq %%mm0, %%mm6 \n\t" /* FGHIJKLM */\
"psrlq $8, %%mm0 \n\t" /* GHIJKLM0 */\
"psrlq $16, %%mm5 \n\t" /* HIJKLM00 */\
"punpcklbw %%mm7, %%mm0 \n\t" /* 0G0H0I0J */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0H0I0J0K */\
"paddw %%mm0, %%mm2 \n\t" /* b */\
"paddw %%mm5, %%mm3 \n\t" /* c */\
"paddw %%mm2, %%mm2 \n\t" /* 2b */\
"psubw %%mm2, %%mm3 \n\t" /* c - 2b */\
"movq %%mm6, %%mm2 \n\t" /* FGHIJKLM */\
"psrlq $24, %%mm6 \n\t" /* IJKLM000 */\
"punpcklbw %%mm7, %%mm2 \n\t" /* 0F0G0H0I */\
"punpcklbw %%mm7, %%mm6 \n\t" /* 0I0J0K0L */\
"pmullw "MANGLE(ff_pw_3)", %%mm3 \n\t" /* 3c - 6b */\
"paddw %%mm2, %%mm1 \n\t" /* a */\
"paddw %%mm6, %%mm4 \n\t" /* d */\
"pmullw "MANGLE(ff_pw_20)", %%mm1 \n\t" /* 20a */\
"psubw %%mm4, %%mm3 \n\t" /* - 6b +3c - d */\
"paddw %6, %%mm1 \n\t"\
"paddw %%mm1, %%mm3 \n\t" /* 20a - 6b +3c - d */\
"psraw $5, %%mm3 \n\t"\
"movq %5, %%mm1 \n\t"\
"packuswb %%mm3, %%mm1 \n\t"\
OP_MMX2(%%mm1, (%1),%%mm4, q)\
/* mm0= GHIJ, mm2=FGHI, mm5=HIJK, mm6=IJKL, mm7=0 */\
\
"movq 9(%0), %%mm1 \n\t" /* JKLMNOPQ */\
"movq %%mm1, %%mm4 \n\t" /* JKLMNOPQ */\
"movq %%mm1, %%mm3 \n\t" /* JKLMNOPQ */\
"psrlq $8, %%mm1 \n\t" /* KLMNOPQ0 */\
"psrlq $16, %%mm4 \n\t" /* LMNOPQ00 */\
"punpcklbw %%mm7, %%mm1 \n\t" /* 0K0L0M0N */\
"punpcklbw %%mm7, %%mm4 \n\t" /* 0L0M0N0O */\
"paddw %%mm1, %%mm5 \n\t" /* b */\
"paddw %%mm4, %%mm0 \n\t" /* c */\
"paddw %%mm5, %%mm5 \n\t" /* 2b */\
"psubw %%mm5, %%mm0 \n\t" /* c - 2b */\
"movq %%mm3, %%mm5 \n\t" /* JKLMNOPQ */\
"psrlq $24, %%mm3 \n\t" /* MNOPQ000 */\
"pmullw "MANGLE(ff_pw_3)", %%mm0 \n\t" /* 3c - 6b */\
"punpcklbw %%mm7, %%mm3 \n\t" /* 0M0N0O0P */\
"paddw %%mm3, %%mm2 \n\t" /* d */\
"psubw %%mm2, %%mm0 \n\t" /* -6b + 3c - d */\
"movq %%mm5, %%mm2 \n\t" /* JKLMNOPQ */\
"punpcklbw %%mm7, %%mm2 \n\t" /* 0J0K0L0M */\
"punpckhbw %%mm7, %%mm5 \n\t" /* 0N0O0P0Q */\
"paddw %%mm2, %%mm6 \n\t" /* a */\
"pmullw "MANGLE(ff_pw_20)", %%mm6 \n\t" /* 20a */\
"paddw %6, %%mm0 \n\t"\
"paddw %%mm6, %%mm0 \n\t" /* 20a - 6b + 3c - d */\
"psraw $5, %%mm0 \n\t"\
/* mm1=KLMN, mm2=JKLM, mm3=MNOP, mm4=LMNO, mm5=NOPQ mm7=0 */\
\
"paddw %%mm5, %%mm3 \n\t" /* a */\
"pshufw $0xF9, %%mm5, %%mm6 \n\t" /* 0O0P0Q0Q */\
"paddw %%mm4, %%mm6 \n\t" /* b */\
"pshufw $0xBE, %%mm5, %%mm4 \n\t" /* 0P0Q0Q0P */\
"pshufw $0x6F, %%mm5, %%mm5 \n\t" /* 0Q0Q0P0O */\
"paddw %%mm1, %%mm4 \n\t" /* c */\
"paddw %%mm2, %%mm5 \n\t" /* d */\
"paddw %%mm6, %%mm6 \n\t" /* 2b */\
"psubw %%mm6, %%mm4 \n\t" /* c - 2b */\
"pmullw "MANGLE(ff_pw_20)", %%mm3 \n\t" /* 20a */\
"pmullw "MANGLE(ff_pw_3)", %%mm4 \n\t" /* 3c - 6b */\
"psubw %%mm5, %%mm3 \n\t" /* -6b + 3c - d */\
"paddw %6, %%mm4 \n\t"\
"paddw %%mm3, %%mm4 \n\t" /* 20a - 6b + 3c - d */\
"psraw $5, %%mm4 \n\t"\
"packuswb %%mm4, %%mm0 \n\t"\
OP_MMX2(%%mm0, 8(%1), %%mm4, q)\
\
"add %3, %0 \n\t"\
"add %4, %1 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+a"(src), "+c"(dst), "+m"(h)\
: "d"((long)srcStride), "S"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
: "memory"\
);\
}\
\
static void OPNAME ## mpeg4_qpel16_h_lowpass_3dnow(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
int i;\
int16_t temp[16];\
/* quick HACK, XXX FIXME MUST be optimized */\
for(i=0; i<h; i++)\
{\
temp[ 0]= (src[ 0]+src[ 1])*20 - (src[ 0]+src[ 2])*6 + (src[ 1]+src[ 3])*3 - (src[ 2]+src[ 4]);\
temp[ 1]= (src[ 1]+src[ 2])*20 - (src[ 0]+src[ 3])*6 + (src[ 0]+src[ 4])*3 - (src[ 1]+src[ 5]);\
temp[ 2]= (src[ 2]+src[ 3])*20 - (src[ 1]+src[ 4])*6 + (src[ 0]+src[ 5])*3 - (src[ 0]+src[ 6]);\
temp[ 3]= (src[ 3]+src[ 4])*20 - (src[ 2]+src[ 5])*6 + (src[ 1]+src[ 6])*3 - (src[ 0]+src[ 7]);\
temp[ 4]= (src[ 4]+src[ 5])*20 - (src[ 3]+src[ 6])*6 + (src[ 2]+src[ 7])*3 - (src[ 1]+src[ 8]);\
temp[ 5]= (src[ 5]+src[ 6])*20 - (src[ 4]+src[ 7])*6 + (src[ 3]+src[ 8])*3 - (src[ 2]+src[ 9]);\
temp[ 6]= (src[ 6]+src[ 7])*20 - (src[ 5]+src[ 8])*6 + (src[ 4]+src[ 9])*3 - (src[ 3]+src[10]);\
temp[ 7]= (src[ 7]+src[ 8])*20 - (src[ 6]+src[ 9])*6 + (src[ 5]+src[10])*3 - (src[ 4]+src[11]);\
temp[ 8]= (src[ 8]+src[ 9])*20 - (src[ 7]+src[10])*6 + (src[ 6]+src[11])*3 - (src[ 5]+src[12]);\
temp[ 9]= (src[ 9]+src[10])*20 - (src[ 8]+src[11])*6 + (src[ 7]+src[12])*3 - (src[ 6]+src[13]);\
temp[10]= (src[10]+src[11])*20 - (src[ 9]+src[12])*6 + (src[ 8]+src[13])*3 - (src[ 7]+src[14]);\
temp[11]= (src[11]+src[12])*20 - (src[10]+src[13])*6 + (src[ 9]+src[14])*3 - (src[ 8]+src[15]);\
temp[12]= (src[12]+src[13])*20 - (src[11]+src[14])*6 + (src[10]+src[15])*3 - (src[ 9]+src[16]);\
temp[13]= (src[13]+src[14])*20 - (src[12]+src[15])*6 + (src[11]+src[16])*3 - (src[10]+src[16]);\
temp[14]= (src[14]+src[15])*20 - (src[13]+src[16])*6 + (src[12]+src[16])*3 - (src[11]+src[15]);\
temp[15]= (src[15]+src[16])*20 - (src[14]+src[16])*6 + (src[13]+src[15])*3 - (src[12]+src[14]);\
asm volatile(\
"movq (%0), %%mm0 \n\t"\
"movq 8(%0), %%mm1 \n\t"\
"paddw %2, %%mm0 \n\t"\
"paddw %2, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
OP_3DNOW(%%mm0, (%1), %%mm1, q)\
"movq 16(%0), %%mm0 \n\t"\
"movq 24(%0), %%mm1 \n\t"\
"paddw %2, %%mm0 \n\t"\
"paddw %2, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
OP_3DNOW(%%mm0, 8(%1), %%mm1, q)\
:: "r"(temp), "r"(dst), "m"(ROUNDER)\
: "memory"\
);\
dst+=dstStride;\
src+=srcStride;\
}\
}\
\
static void OPNAME ## mpeg4_qpel8_h_lowpass_mmx2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
uint64_t temp;\
\
asm volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t" /* ABCDEFGH */\
"movq %%mm0, %%mm1 \n\t" /* ABCDEFGH */\
"movq %%mm0, %%mm2 \n\t" /* ABCDEFGH */\
"punpcklbw %%mm7, %%mm0 \n\t" /* 0A0B0C0D */\
"punpckhbw %%mm7, %%mm1 \n\t" /* 0E0F0G0H */\
"pshufw $0x90, %%mm0, %%mm5 \n\t" /* 0A0A0B0C */\
"pshufw $0x41, %%mm0, %%mm6 \n\t" /* 0B0A0A0B */\
"movq %%mm2, %%mm3 \n\t" /* ABCDEFGH */\
"movq %%mm2, %%mm4 \n\t" /* ABCDEFGH */\
"psllq $8, %%mm2 \n\t" /* 0ABCDEFG */\
"psllq $16, %%mm3 \n\t" /* 00ABCDEF */\
"psllq $24, %%mm4 \n\t" /* 000ABCDE */\
"punpckhbw %%mm7, %%mm2 \n\t" /* 0D0E0F0G */\
"punpckhbw %%mm7, %%mm3 \n\t" /* 0C0D0E0F */\
"punpckhbw %%mm7, %%mm4 \n\t" /* 0B0C0D0E */\
"paddw %%mm3, %%mm5 \n\t" /* b */\
"paddw %%mm2, %%mm6 \n\t" /* c */\
"paddw %%mm5, %%mm5 \n\t" /* 2b */\
"psubw %%mm5, %%mm6 \n\t" /* c - 2b */\
"pshufw $0x06, %%mm0, %%mm5 \n\t" /* 0C0B0A0A */\
"pmullw "MANGLE(ff_pw_3)", %%mm6 \n\t" /* 3c - 6b */\
"paddw %%mm4, %%mm0 \n\t" /* a */\
"paddw %%mm1, %%mm5 \n\t" /* d */\
"pmullw "MANGLE(ff_pw_20)", %%mm0 \n\t" /* 20a */\
"psubw %%mm5, %%mm0 \n\t" /* 20a - d */\
"paddw %6, %%mm6 \n\t"\
"paddw %%mm6, %%mm0 \n\t" /* 20a - 6b + 3c - d */\
"psraw $5, %%mm0 \n\t"\
/* mm1=EFGH, mm2=DEFG, mm3=CDEF, mm4=BCDE, mm7=0 */\
\
"movd 5(%0), %%mm5 \n\t" /* FGHI */\
"punpcklbw %%mm7, %%mm5 \n\t" /* 0F0G0H0I */\
"pshufw $0xF9, %%mm5, %%mm6 \n\t" /* 0G0H0I0I */\
"paddw %%mm5, %%mm1 \n\t" /* a */\
"paddw %%mm6, %%mm2 \n\t" /* b */\
"pshufw $0xBE, %%mm5, %%mm6 \n\t" /* 0H0I0I0H */\
"pshufw $0x6F, %%mm5, %%mm5 \n\t" /* 0I0I0H0G */\
"paddw %%mm6, %%mm3 \n\t" /* c */\
"paddw %%mm5, %%mm4 \n\t" /* d */\
"paddw %%mm2, %%mm2 \n\t" /* 2b */\
"psubw %%mm2, %%mm3 \n\t" /* c - 2b */\
"pmullw "MANGLE(ff_pw_20)", %%mm1 \n\t" /* 20a */\
"pmullw "MANGLE(ff_pw_3)", %%mm3 \n\t" /* 3c - 6b */\
"psubw %%mm4, %%mm3 \n\t" /* -6b + 3c - d */\
"paddw %6, %%mm1 \n\t"\
"paddw %%mm1, %%mm3 \n\t" /* 20a - 6b + 3c - d */\
"psraw $5, %%mm3 \n\t"\
"packuswb %%mm3, %%mm0 \n\t"\
OP_MMX2(%%mm0, (%1), %%mm4, q)\
\
"add %3, %0 \n\t"\
"add %4, %1 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+a"(src), "+c"(dst), "+m"(h)\
: "S"((long)srcStride), "D"((long)dstStride), /*"m"(ff_pw_20), "m"(ff_pw_3),*/ "m"(temp), "m"(ROUNDER)\
: "memory"\
);\
}\
\
static void OPNAME ## mpeg4_qpel8_h_lowpass_3dnow(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h){\
int i;\
int16_t temp[8];\
/* quick HACK, XXX FIXME MUST be optimized */\
for(i=0; i<h; i++)\
{\
temp[ 0]= (src[ 0]+src[ 1])*20 - (src[ 0]+src[ 2])*6 + (src[ 1]+src[ 3])*3 - (src[ 2]+src[ 4]);\
temp[ 1]= (src[ 1]+src[ 2])*20 - (src[ 0]+src[ 3])*6 + (src[ 0]+src[ 4])*3 - (src[ 1]+src[ 5]);\
temp[ 2]= (src[ 2]+src[ 3])*20 - (src[ 1]+src[ 4])*6 + (src[ 0]+src[ 5])*3 - (src[ 0]+src[ 6]);\
temp[ 3]= (src[ 3]+src[ 4])*20 - (src[ 2]+src[ 5])*6 + (src[ 1]+src[ 6])*3 - (src[ 0]+src[ 7]);\
temp[ 4]= (src[ 4]+src[ 5])*20 - (src[ 3]+src[ 6])*6 + (src[ 2]+src[ 7])*3 - (src[ 1]+src[ 8]);\
temp[ 5]= (src[ 5]+src[ 6])*20 - (src[ 4]+src[ 7])*6 + (src[ 3]+src[ 8])*3 - (src[ 2]+src[ 8]);\
temp[ 6]= (src[ 6]+src[ 7])*20 - (src[ 5]+src[ 8])*6 + (src[ 4]+src[ 8])*3 - (src[ 3]+src[ 7]);\
temp[ 7]= (src[ 7]+src[ 8])*20 - (src[ 6]+src[ 8])*6 + (src[ 5]+src[ 7])*3 - (src[ 4]+src[ 6]);\
asm volatile(\
"movq (%0), %%mm0 \n\t"\
"movq 8(%0), %%mm1 \n\t"\
"paddw %2, %%mm0 \n\t"\
"paddw %2, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
OP_3DNOW(%%mm0, (%1), %%mm1, q)\
:: "r"(temp), "r"(dst), "m"(ROUNDER)\
:"memory"\
);\
dst+=dstStride;\
src+=srcStride;\
}\
}
#define QPEL_OP(OPNAME, ROUNDER, RND, OP, MMX)\
\
static void OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
uint64_t temp[17*4];\
uint64_t *temp_ptr= temp;\
int count= 17;\
\
/*FIXME unroll */\
asm volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq (%0), %%mm1 \n\t"\
"movq 8(%0), %%mm2 \n\t"\
"movq 8(%0), %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm3 \n\t"\
"movq %%mm0, (%1) \n\t"\
"movq %%mm1, 17*8(%1) \n\t"\
"movq %%mm2, 2*17*8(%1) \n\t"\
"movq %%mm3, 3*17*8(%1) \n\t"\
"add $8, %1 \n\t"\
"add %3, %0 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+r" (src), "+r" (temp_ptr), "+r"(count)\
: "r" ((long)srcStride)\
: "memory"\
);\
\
temp_ptr= temp;\
count=4;\
\
/*FIXME reorder for speed */\
asm volatile(\
/*"pxor %%mm7, %%mm7 \n\t"*/\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"mo⌨️ 快捷键说明
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