[FFmpeg-cvslog] r19216 - trunk/libavcodec/arm/h264dsp_neon.S
mru
subversion
Thu Jun 18 00:33:04 CEST 2009
Author: mru
Date: Thu Jun 18 00:33:04 2009
New Revision: 19216
Log:
ARM: slightly faster NEON H264 horizontal loop filter
Modified:
trunk/libavcodec/arm/h264dsp_neon.S
Modified: trunk/libavcodec/arm/h264dsp_neon.S
==============================================================================
--- trunk/libavcodec/arm/h264dsp_neon.S Wed Jun 17 21:04:02 2009 (r19215)
+++ trunk/libavcodec/arm/h264dsp_neon.S Thu Jun 18 00:33:04 2009 (r19216)
@@ -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
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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