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3 Commits

Author SHA1 Message Date
Justin Ruggles
20a2a3da8f ac3dsp: Change punpckhqdq to movhlps in ac3_max_msb_abs_int16(). 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 1f004fc512babe8215e2aa31fa4770aa27812cab)
 2011-02-16 23:00:50 +01:00
Justin Ruggles
7539a1fee2 ac3enc: Add x86-optimized function to speed up log2_tab(). 
AC3DSPContext.ac3_max_msb_abs_int16() finds the maximum MSB of the absolute
value of each element in an array of int16_t.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit fbb6b49dabc3398440c6dfa838aa090a7a6ebc0d)
 2011-02-14 23:58:20 +01:00
Justin Ruggles
a30ac54a19 Add x86-optimized versions of exponent_min(). 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit dda3f0ef48aa5c3b03566b60b6bf63211e1fe579)
 2011-02-11 02:54:09 +01:00