typedef long int int64_t; typedef int64_t pa_reg_x86; void pa_volume_s16ne_mmx(short *samples, int *volumes, unsigned channels, unsigned length) { long int channel; long int temp; __asm__ __volatile__(" xor %3, %3 \n\t" " sar $1, %2 \n\t" " test $1, %2 \n\t" " je 2f \n\t" " movd (%1, %3, 4), %%mm0 \n\t" " movw (%0), %w4 \n\t" " movd %4, %%mm1 \n\t" " pxor %%mm4, %%mm4 \n\t" " punpcklwd %%mm4, " "%%mm1" " \n\t" " pcmpgtw " "%%mm0" ", %%mm4 \n\t" " pand " "%%mm1" ", %%mm4 \n\t" " movq " "%%mm1" ", %%mm5 \n\t" " pmulhw " "%%mm0" ", " "%%mm1" " \n\t" " paddw %%mm4, " "%%mm1" " \n\t" " psrld $16, " "%%mm0" " \n\t" " pmaddwd %%mm5, " "%%mm0" " \n\t" " paddd " "%%mm1" ", " "%%mm0" " \n\t" " packssdw " "%%mm0" ", " "%%mm0" " \n\t" " movd %%mm0, %4 \n\t" " movw %w4, (%0) \n\t" " add $2, %0 \n\t" " add " "$1" ", %3 \n\t" " mov %3, %4 \n\t" " sub " "%5" ", %4 \n\t" " cmovae %4, %3 \n\t" "2: \n\t" " sar $1, %2 \n\t" " test $1, %2 \n\t" " je 4f \n\t" "3: \n\t" " movq (%1, %3, 4), %%mm0 \n\t" " movd (%0), %%mm1 \n\t" " pxor %%mm4, %%mm4 \n\t" " punpcklwd %%mm4, " "%%mm1" " \n\t" " pcmpgtw " "%%mm0" ", %%mm4 \n\t" " pand " "%%mm1" ", %%mm4 \n\t" " movq " "%%mm1" ", %%mm5 \n\t" " pmulhw " "%%mm0" ", " "%%mm1" " \n\t" " paddw %%mm4, " "%%mm1" " \n\t" " psrld $16, " "%%mm0" " \n\t" " pmaddwd %%mm5, " "%%mm0" " \n\t" " paddd " "%%mm1" ", " "%%mm0" " \n\t" " packssdw " "%%mm0" ", " "%%mm0" " \n\t" " movd %%mm0, (%0) \n\t" " add $4, %0 \n\t" " add " "$2" ", %3 \n\t" " mov %3, %4 \n\t" " sub " "%5" ", %4 \n\t" " cmovae %4, %3 \n\t" "4: \n\t" " sar $1, %2 \n\t" " cmp $0, %2 \n\t" " je 6f \n\t" "5: \n\t" " movq (%1, %3, 4), %%mm0 \n\t" " movq 8(%1, %3, 4), %%mm2 \n\t" " movd (%0), %%mm1 \n\t" " movd 4(%0), %%mm3 \n\t" " pxor %%mm4, %%mm4 \n\t" " punpcklwd %%mm4, " "%%mm1" " \n\t" " pcmpgtw " "%%mm0" ", %%mm4 \n\t" " pand " "%%mm1" ", %%mm4 \n\t" " movq " "%%mm1" ", %%mm5 \n\t" " pmulhw " "%%mm0" ", " "%%mm1" " \n\t" " paddw %%mm4, " "%%mm1" " \n\t" " psrld $16, " "%%mm0" " \n\t" " pmaddwd %%mm5, " "%%mm0" " \n\t" " paddd " "%%mm1" ", " "%%mm0" " \n\t" " packssdw " "%%mm0" ", " "%%mm0" " \n\t" " pxor %%mm4, %%mm4 \n\t" " punpcklwd %%mm4, " "%%mm3" " \n\t" " pcmpgtw " "%%mm2" ", %%mm4 \n\t" " pand " "%%mm3" ", %%mm4 \n\t" " movq " "%%mm3" ", %%mm5 \n\t" " pmulhw " "%%mm2" ", " "%%mm3" " \n\t" " paddw %%mm4, " "%%mm3" " \n\t" " psrld $16, " "%%mm2" " \n\t" " pmaddwd %%mm5, " "%%mm2" " \n\t" " paddd " "%%mm3" ", " "%%mm2" " \n\t" " packssdw " "%%mm2" ", " "%%mm2" " \n\t" " movd %%mm0, (%0) \n\t" " movd %%mm2, 4(%0) \n\t" " add $8, %0 \n\t" " add " "$4" ", %3 \n\t" " mov %3, %4 \n\t" " sub " "%5" ", %4 \n\t" " cmovae %4, %3 \n\t" " dec %2 \n\t" " jne 5b \n\t" "6: \n\t" " emms \n\t":"+r" (samples), "+r"(volumes), "+r"(length), "=D"((pa_reg_x86) channel), "=&r"(temp):"X"((pa_reg_x86) channels):"cc"); }