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author | Måns Rullgård <mans@mansr.com> | 2009-09-27 16:52:05 +0000 |
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committer | Måns Rullgård <mans@mansr.com> | 2009-09-27 16:52:05 +0000 |
commit | ec71a8e00bc73c5c8b84d30d228259b2e90b7bd2 (patch) | |
tree | 7e5c454fb8b7282e80270319ee984f1c3498cb06 /libavcodec/arm/dsputil_neon_s.S | |
parent | 35de5d2412fefa31b117276e3b2c8d079b2b9d39 (diff) | |
download | ffmpeg-ec71a8e00bc73c5c8b84d30d228259b2e90b7bd2.tar.gz |
ARM: NEON optimised vector_fmul_add
Originally committed as revision 20063 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/arm/dsputil_neon_s.S')
-rw-r--r-- | libavcodec/arm/dsputil_neon_s.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_neon_s.S b/libavcodec/arm/dsputil_neon_s.S index 9ae7cf96cb..9655f0aea6 100644 --- a/libavcodec/arm/dsputil_neon_s.S +++ b/libavcodec/arm/dsputil_neon_s.S @@ -1076,6 +1076,33 @@ function ff_vector_fmul_reverse_neon, export=1 bx lr .endfunc +function ff_vector_fmul_add_neon, export=1 + ldr r12, [sp] + vld1.32 {q0-q1}, [r1,:128]! + vld1.32 {q8-q9}, [r2,:128]! + vld1.32 {q2-q3}, [r3,:128]! + vmul.f32 q10, q0, q8 + vmul.f32 q11, q1, q9 +1: vadd.f32 q12, q2, q10 + vadd.f32 q13, q3, q11 + pld [r1, #16] + pld [r2, #16] + pld [r3, #16] + subs r12, r12, #8 + beq 2f + vld1.32 {q0}, [r1,:128]! + vld1.32 {q8}, [r2,:128]! + vmul.f32 q10, q0, q8 + vld1.32 {q1}, [r1,:128]! + vld1.32 {q9}, [r2,:128]! + vmul.f32 q11, q1, q9 + vld1.32 {q2-q3}, [r3,:128]! + vst1.32 {q12-q13},[r0,:128]! + b 1b +2: vst1.32 {q12-q13},[r0,:128]! + bx lr + .endfunc + function ff_vector_clipf_neon, export=1 VFP vdup.32 q1, d0[1] VFP vdup.32 q0, d0[0] |