On 06/27/2012 02:31 PM, Jason Garrett-Glaser wrote: > On Wed, Jun 27, 2012 at 8:27 AM, Justin Ruggles > <[email protected]> wrote: >> On 06/25/2012 05:21 PM, Jason Garrett-Glaser wrote: >>>> + psrldq m1, 4 ; m1 = 6, 7, 8, 9, 10, 11, x, x >>>> + psrldq m2, 4 ; m2 = 18, 19, 20, 21, 22, 23, x, x >>>> + punpcklwd m4, m0, m1 ; m4 = 0, 6, 1, 7, 2, 8, 3, 9 >>>> + punpckhwd m0, m1 ; m0 = 4, 10, 5, 11, x, x, x, x >>>> + punpcklwd m1, m3, m2 ; m1 = 12, 18, 13, 19, 14, 20, 15, 21 >>>> + punpckhwd m3, m2 ; m3 = 16, 22, 17, 23, x, x, x, x >>>> + punpckldq m2, m4, m1 ; m2 = 0, 6, 12, 18, 1, 7, 13, 19 >>>> + punpckhdq m4, m1 ; m4 = 2, 8, 14, 20, 3, 9, 15, 21 >>>> + punpckldq m0, m3 ; m0 = 4, 10, 16, 22, 5, 11, 17, 23 >>>> + movlpd [dstq ], m2 >>>> + movhpd [dstq+dst1q], m2 >>>> + movlpd [dstq+dst2q], m4 >>>> + movhpd [dstq+dst3q], m4 >>>> + movlpd [dstq+dst4q], m0 >>>> + movhpd [dstq+dst5q], m0 >>> >>> movhps and movq please. >> >> I tried this: >> >> movhlps m1, m2 >> movhlps m3, m4 >> movhlps m5, m0 >> movq [dstq ], m2 >> movq [dstq+dst1q], m1 >> movq [dstq+dst2q], m4 >> movq [dstq+dst3q], m3 >> movq [dstq+dst4q], m0 >> movq [dstq+dst5q], m5 >> >> and it's slightly slower on Athlon64. > > I said movhps, not movhlps.
oh, sorry. so what is the difference between movlps and movq when storing? -Justin _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
