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Commit 2da4e5e3 authored by Måns Rullgård's avatar Måns Rullgård
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ARM: slightly faster NEON H264 horizontal loop filter 

Originally committed as revision 19216 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent f4ca612f
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Showing with 25 additions and 24 deletions
libavcodec/arm/h264dsp_neon.S
View file @ 2da4e5e3
......@@ -37,6 +37,13 @@
vtrn.8 \r6, \r7
.endm
.macro transpose_4x4 r0 r1 r2 r3
vtrn.16 \r0, \r2
vtrn.16 \r1, \r3
vtrn.8 \r0, \r1
vtrn.8 \r2, \r3
.endm
.macro swap4 r0 r1 r2 r3 r4 r5 r6 r7
vswp \r0, \r4
vswp \r1, \r5
......@@ -469,35 +476,29 @@ function ff_h264_h_loop_filter_luma_neon, export=1
transpose_8x8 q3, q10, q9, q8, q0, q1, q2, q13
align_push_regs
sub sp, sp, #16
vst1.64 {d4, d5}, [sp,:128]
sub sp, sp, #16
vst1.64 {d20,d21}, [sp,:128]
h264_loop_filter_luma
vld1.64 {d20,d21}, [sp,:128]!
vld1.64 {d4, d5}, [sp,:128]!
transpose_8x8 q3, q10, q4, q8, q0, q5, q2, q13
transpose_4x4 q4, q8, q0, q5
sub r0, r0, r1, lsl #4
vst1.64 {d6}, [r0], r1
vst1.64 {d20}, [r0], r1
vst1.64 {d8}, [r0], r1
vst1.64 {d16}, [r0], r1
vst1.64 {d0}, [r0], r1
vst1.64 {d10}, [r0], r1
vst1.64 {d4}, [r0], r1
vst1.64 {d26}, [r0], r1
vst1.64 {d7}, [r0], r1
vst1.64 {d21}, [r0], r1
vst1.64 {d9}, [r0], r1
vst1.64 {d17}, [r0], r1
vst1.64 {d1}, [r0], r1
vst1.64 {d11}, [r0], r1
vst1.64 {d5}, [r0], r1
vst1.64 {d27}, [r0], r1
add r0, r0, #2
vst1.32 {d8[0]}, [r0], r1
vst1.32 {d16[0]}, [r0], r1
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d10[0]}, [r0], r1
vst1.32 {d8[1]}, [r0], r1
vst1.32 {d16[1]}, [r0], r1
vst1.32 {d0[1]}, [r0], r1
vst1.32 {d10[1]}, [r0], r1
vst1.32 {d9[0]}, [r0], r1
vst1.32 {d17[0]}, [r0], r1
vst1.32 {d1[0]}, [r0], r1
vst1.32 {d11[0]}, [r0], r1
vst1.32 {d9[1]}, [r0], r1
vst1.32 {d17[1]}, [r0], r1
vst1.32 {d1[1]}, [r0], r1
vst1.32 {d11[1]}, [r0], r1
align_pop_regs
bx lr
......
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