287391/svolume_mmx.i.3

   1 typedef long int int64_t;
   2 typedef int64_t pa_reg_x86;
   3 void pa_volume_s16ne_mmx(short *samples, int *volumes, unsigned channels,
   4                          unsigned length)
   5 {
   6         long int channel;
   7         long int temp;
   8         __asm__ __volatile__(" xor %3, %3                    \n\t"
   9                              " sar $1, %2                    \n\t"
  10                              " test $1, %2                   \n\t"
  11                              " je 2f                         \n\t"
  12                              " movd (%1, %3, 4), %%mm0       \n\t"
  13                              " movw (%0), %w4                \n\t"
  14                              " movd %4, %%mm1                \n\t"
  15                              " pxor  %%mm4, %%mm4           \n\t"
  16                              " punpcklwd %%mm4, " "%%mm1" "        \n\t"
  17                              " pcmpgtw " "%%mm0" ", %%mm4          \n\t"
  18                              " pand " "%%mm1" ", %%mm4             \n\t"
  19                              " movq " "%%mm1" ", %%mm5             \n\t"
  20                              " pmulhw " "%%mm0" ", " "%%mm1" "            \n\t"
  21                              " paddw %%mm4, " "%%mm1" "            \n\t"
  22                              " psrld $16, " "%%mm0" "              \n\t"
  23                              " pmaddwd %%mm5, " "%%mm0" "          \n\t"
  24                              " paddd " "%%mm1" ", " "%%mm0" "             \n\t"
  25                              " packssdw " "%%mm0" ", " "%%mm0" "          \n\t"
  26                              " movd %%mm0, %4                \n\t"
  27                              " movw %w4, (%0)                \n\t"
  28                              " add $2, %0                    \n\t" " add " "$1"
  29                              ", %3                 \n\t"
  30                              " mov %3, %4                   \n\t" " sub " "%5"
  31                              ", %4                 \n\t"
  32                              " cmovae %4, %3                \n\t"
  33                              "2:                             \n\t"
  34                              " sar $1, %2                    \n\t"
  35                              " test $1, %2                   \n\t"
  36                              " je 4f                         \n\t"
  37                              "3:                             \n\t"
  38                              " movq (%1, %3, 4), %%mm0       \n\t"
  39                              " movd (%0), %%mm1              \n\t"
  40                              " pxor  %%mm4, %%mm4           \n\t"
  41                              " punpcklwd %%mm4, " "%%mm1" "        \n\t"
  42                              " pcmpgtw " "%%mm0" ", %%mm4          \n\t"
  43                              " pand " "%%mm1" ", %%mm4             \n\t"
  44                              " movq " "%%mm1" ", %%mm5             \n\t"
  45                              " pmulhw " "%%mm0" ", " "%%mm1" "            \n\t"
  46                              " paddw %%mm4, " "%%mm1" "            \n\t"
  47                              " psrld $16, " "%%mm0" "              \n\t"
  48                              " pmaddwd %%mm5, " "%%mm0" "          \n\t"
  49                              " paddd " "%%mm1" ", " "%%mm0" "             \n\t"
  50                              " packssdw " "%%mm0" ", " "%%mm0" "          \n\t"
  51                              " movd %%mm0, (%0)              \n\t"
  52                              " add $4, %0                    \n\t" " add " "$2"
  53                              ", %3                 \n\t"
  54                              " mov %3, %4                   \n\t" " sub " "%5"
  55                              ", %4                 \n\t"
  56                              " cmovae %4, %3                \n\t"
  57                              "4:                             \n\t"
  58                              " sar $1, %2                    \n\t"
  59                              " cmp $0, %2                    \n\t"
  60                              " je 6f                         \n\t"
  61                              "5:                             \n\t"
  62                              " movq (%1, %3, 4), %%mm0       \n\t"
  63                              " movq 8(%1, %3, 4), %%mm2      \n\t"
  64                              " movd (%0), %%mm1              \n\t"
  65                              " movd 4(%0), %%mm3             \n\t"
  66                              " pxor  %%mm4, %%mm4           \n\t"
  67                              " punpcklwd %%mm4, " "%%mm1" "        \n\t"
  68                              " pcmpgtw " "%%mm0" ", %%mm4          \n\t"
  69                              " pand " "%%mm1" ", %%mm4             \n\t"
  70                              " movq " "%%mm1" ", %%mm5             \n\t"
  71                              " pmulhw " "%%mm0" ", " "%%mm1" "            \n\t"
  72                              " paddw %%mm4, " "%%mm1" "            \n\t"
  73                              " psrld $16, " "%%mm0" "              \n\t"
  74                              " pmaddwd %%mm5, " "%%mm0" "          \n\t"
  75                              " paddd " "%%mm1" ", " "%%mm0" "             \n\t"
  76                              " packssdw " "%%mm0" ", " "%%mm0" "          \n\t"
  77                              " pxor  %%mm4, %%mm4           \n\t"
  78                              " punpcklwd %%mm4, " "%%mm3" "        \n\t"
  79                              " pcmpgtw " "%%mm2" ", %%mm4          \n\t"
  80                              " pand " "%%mm3" ", %%mm4             \n\t"
  81                              " movq " "%%mm3" ", %%mm5             \n\t"
  82                              " pmulhw " "%%mm2" ", " "%%mm3" "            \n\t"
  83                              " paddw %%mm4, " "%%mm3" "            \n\t"
  84                              " psrld $16, " "%%mm2" "              \n\t"
  85                              " pmaddwd %%mm5, " "%%mm2" "          \n\t"
  86                              " paddd " "%%mm3" ", " "%%mm2" "             \n\t"
  87                              " packssdw " "%%mm2" ", " "%%mm2" "          \n\t"
  88                              " movd %%mm0, (%0)              \n\t"
  89                              " movd %%mm2, 4(%0)             \n\t"
  90                              " add $8, %0                    \n\t" " add " "$4"
  91                              ", %3                 \n\t"
  92                              " mov %3, %4                   \n\t" " sub " "%5"
  93                              ", %4                 \n\t"
  94                              " cmovae %4, %3                \n\t"
  95                              " dec %2                        \n\t"
  96                              " jne 5b                        \n\t"
  97                              "6:                             \n\t"
  98                              " emms                          \n\t":"+r"
  99                              (samples), "+r"(volumes), "+r"(length),
 100                              "=D"((pa_reg_x86) channel),
 101                              "=&r"(temp):"X"((pa_reg_x86) channels):"cc");
 102 }