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aarch64: vp9itxfm: Update a comment to refer to a register with a different name

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This is cherrypicked from libav commit
8476eb0d3a.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2017-01-03 23:11:51 +02:00
parent 6752318c73
commit d0fbf7f34e
1 changed files with 2 additions and 2 deletions
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libavcodec/aarch64/vp9itxfm_neon.S
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@ -41,8 +41,8 @@ const iadst16_coeffs, align=4
.short 11003, 12140, 8423, 14053, 5520, 15426, 2404, 16207
endconst
// out1 = ((in1 + in2) * d0[0] + (1 << 13)) >> 14
// out2 = ((in1 - in2) * d0[0] + (1 << 13)) >> 14
// out1 = ((in1 + in2) * v0[0] + (1 << 13)) >> 14
// out2 = ((in1 - in2) * v0[0] + (1 << 13)) >> 14
// in/out are .8h registers; this can do with 4 temp registers, but is
// more efficient if 6 temp registers are available.
.macro dmbutterfly0 out1, out2, in1, in2, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, neg=0