You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

56 lines
1.7KB

  1. ;*****************************************************************************
  2. ;* x86-optimized Float DSP functions
  3. ;*
  4. ;* This file is part of Libav.
  5. ;*
  6. ;* Libav is free software; you can redistribute it and/or
  7. ;* modify it under the terms of the GNU Lesser General Public
  8. ;* License as published by the Free Software Foundation; either
  9. ;* version 2.1 of the License, or (at your option) any later version.
  10. ;*
  11. ;* Libav is distributed in the hope that it will be useful,
  12. ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. ;* Lesser General Public License for more details.
  15. ;*
  16. ;* You should have received a copy of the GNU Lesser General Public
  17. ;* License along with Libav; if not, write to the Free Software
  18. ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19. ;******************************************************************************
  20. %include "x86inc.asm"
  21. SECTION .text
  22. ;-----------------------------------------------------------------------------
  23. ; void vector_fmul(float *dst, const float *src0, const float *src1, int len)
  24. ;-----------------------------------------------------------------------------
  25. %macro VECTOR_FMUL 0
  26. cglobal vector_fmul, 4,4,2, dst, src0, src1, len
  27. lea lenq, [lend*4 - 2*mmsize]
  28. ALIGN 16
  29. .loop
  30. mova m0, [src0q + lenq]
  31. mova m1, [src0q + lenq + mmsize]
  32. mulps m0, m0, [src1q + lenq]
  33. mulps m1, m1, [src1q + lenq + mmsize]
  34. mova [dstq + lenq], m0
  35. mova [dstq + lenq + mmsize], m1
  36. sub lenq, 2*mmsize
  37. jge .loop
  38. %if mmsize == 32
  39. vzeroupper
  40. RET
  41. %else
  42. REP_RET
  43. %endif
  44. %endmacro
  45. INIT_XMM sse
  46. VECTOR_FMUL
  47. %if HAVE_AVX
  48. INIT_YMM avx
  49. VECTOR_FMUL
  50. %endif