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ARM: small tweak of NEON H264 IDCT

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Originally committed as revision 20697 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-12-02 00:37:39 +00:00
parent 1025d19dd7
commit 5dad039bf7
1 changed files with 2 additions and 6 deletions
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8
libavcodec/arm/h264idct_neon.S
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@ -24,11 +24,7 @@
.text
function ff_h264_idct_add_neon, export=1
mov r3, #(1<<5)
vmov.i16 d16, #0
vmov.16 d16[0], r3
vld1.64 {d0-d3}, [r1,:128]
vadd.i16 d0, d0, d16
vswp d1, d2
vadd.i16 d4, d0, d1
@ -58,8 +54,8 @@ function ff_h264_idct_add_neon, export=1
vadd.i16 q0, q2, q3
vsub.i16 q1, q2, q3
vshr.s16 q0, q0, #6
vshr.s16 q1, q1, #6
vrshr.s16 q0, q0, #6
vrshr.s16 q1, q1, #6
vaddw.u8 q0, q0, d18
vaddw.u8 q1, q1, d19