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| author | Måns Rullgård <mans@mansr.com> | 2009-01-30 23:13:19 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2009-01-30 23:13:19 +0000 |
| commit | e1f7cb7fa0aec465ec0c172d1b922aebced04cc2 (patch) | |
| tree | 0d7b397a30cff9049e5635f23a6a8b1aa148b899 /libavcodec/arm/dsputil_neon_s.S | |
| parent | dd927e2e62f499d3ed611042f91766bec20649ce (diff) | |
| download | ffmpeg-e1f7cb7fa0aec465ec0c172d1b922aebced04cc2.tar.gz | |
ARM: NEON optimised vector_fmul_window
Originally committed as revision 16868 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 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_neon_s.S b/libavcodec/arm/dsputil_neon_s.S index 9027353c4a..3b39d2e75e 100644 --- a/libavcodec/arm/dsputil_neon_s.S +++ b/libavcodec/arm/dsputil_neon_s.S @@ -649,3 +649,53 @@ function ff_vector_fmul_neon, export=1 3: vst1.64 {d16-d19},[r3,:128]! bx lr .endfunc + +function ff_vector_fmul_window_neon, export=1 + vld1.32 {d16[],d17[]}, [sp,:32] + push {r4,r5,lr} + ldr lr, [sp, #16] + sub r2, r2, #8 + sub r5, lr, #2 + add r2, r2, r5, lsl #2 + add r4, r3, r5, lsl #3 + add ip, r0, r5, lsl #3 + mov r5, #-16 + vld1.64 {d0,d1}, [r1,:128]! + vld1.64 {d2,d3}, [r2,:128], r5 + vld1.64 {d4,d5}, [r3,:128]! + vld1.64 {d6,d7}, [r4,:128], r5 +1: subs lr, lr, #4 + vmov q11, q8 + vmla.f32 d22, d0, d4 + vmov q10, q8 + vmla.f32 d23, d1, d5 + vrev64.32 q3, q3 + vmla.f32 d20, d0, d7 + vrev64.32 q1, q1 + vmla.f32 d21, d1, d6 + beq 2f + vmla.f32 d22, d3, d7 + vld1.64 {d0,d1}, [r1,:128]! + vmla.f32 d23, d2, d6 + vld1.64 {d18,d19},[r2,:128], r5 + vmls.f32 d20, d3, d4 + vld1.64 {d24,d25},[r3,:128]! + vmls.f32 d21, d2, d5 + vld1.64 {d6,d7}, [r4,:128], r5 + vmov q1, q9 + vrev64.32 q11, q11 + vmov q2, q12 + vswp d22, d23 + vst1.64 {d20,d21},[r0,:128]! + vst1.64 {d22,d23},[ip,:128], r5 + b 1b +2: vmla.f32 d22, d3, d7 + vmla.f32 d23, d2, d6 + vmls.f32 d20, d3, d4 + vmls.f32 d21, d2, d5 + vrev64.32 q11, q11 + vswp d22, d23 + vst1.64 {d20,d21},[r0,:128]! + vst1.64 {d22,d23},[ip,:128], r5 + pop {r4,r5,pc} + .endfunc |