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ARM: 10l: fix large FFTs

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Originally committed as revision 19846 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2009-09-14 21:37:41 +00:00
parent 89c4e176f6
commit 9ecc414195
3 changed files with 17 additions and 12 deletions
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18
libavcodec/arm/mdct_neon.S
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@@ -52,8 +52,10 @@ function ff_imdct_half_neon, export=1
vmul.f32 d5, d17, d3
vsub.f32 d4, d6, d4
vadd.f32 d5, d5, d7
uxtah r8, r1, r6, ror #16
uxtah r6, r1, r6
uxth r8, r6, ror #16
uxth r6, r6
add r8, r1, r8, lsl #3
add r6, r1, r6, lsl #3
beq 1f
vld2.32 {d16-d17},[r7,:128],r12
vld2.32 {d0-d1}, [r2,:128]!
@@ -198,8 +200,10 @@ function ff_mdct_calc_neon, export=1
subs lr, lr, #16
vsub.f32 d6, d6, d7 @ -R*c-I*s
vadd.f32 d7, d4, d5 @ -R*s+I*c
uxtah r10, r1, r6, ror #16
uxtah r6, r1, r6
uxth r10, r6, ror #16
uxth r6, r6
add r10, r1, r10, lsl #3
add r6, r1, r6, lsl #3
beq 1f
vld2.32 {d16,d18},[r9,:128],r12 @ x,x in4d1,in4d0
vld2.32 {d17,d19},[r8,:128],r12 @ x,x in3d1,in3d0
@@ -245,8 +249,10 @@ function ff_mdct_calc_neon, export=1
subs lr, lr, #16
vsub.f32 d6, d7, d6 @ I*s-R*c
vadd.f32 d7, d4, d5 @ R*s-I*c
uxtah r10, r1, r6, ror #16
uxtah r6, r1, r6
uxth r10, r6, ror #16
uxth r6, r6
add r10, r1, r10, lsl #3
add r6, r1, r6, lsl #3
beq 1f
vld2.32 {d16,d18},[r9,:128],r12 @ x,x in2d1,in2d0
vld2.32 {d17,d19},[r8,:128],r12 @ x,x in1d1,in1d0