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arm: vp9itxfm: Rename a macro parameter to fit better

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Since the same parameter is used for both input and output,
the name inout is more fitting.

This matches the naming used below in the dmbutterfly macro.

This is cherrypicked from libav commit
79566ec8c77969d5f9be533de04b1349834cca62.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Martin Storsjö 2017-01-10 00:15:12 +02:00 committed by Michael Niedermayer
parent 4a5874ea8d
commit f69dd26df5
1 changed files with 7 additions and 7 deletions
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14
libavcodec/arm/vp9itxfm_neon.S
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@ -125,16 +125,16 @@ endconst
vmlal.s16 \out4, \in4, \coef1
.endm
@ in1 = (in1 * coef1 - in2 * coef2 + (1 << 13)) >> 14
@ in2 = (in1 * coef2 + in2 * coef1 + (1 << 13)) >> 14
@ in are 2 d registers, tmp are 2 q registers
.macro mbutterfly in1, in2, coef1, coef2, tmp1, tmp2, neg=0
mbutterfly_l \tmp1, \tmp2, \in1, \in2, \coef1, \coef2
@ inout1 = (inout1 * coef1 - inout2 * coef2 + (1 << 13)) >> 14
@ inout2 = (inout1 * coef2 + inout2 * coef1 + (1 << 13)) >> 14
@ inout are 2 d registers, tmp are 2 q registers
.macro mbutterfly inout1, inout2, coef1, coef2, tmp1, tmp2, neg=0
mbutterfly_l \tmp1, \tmp2, \inout1, \inout2, \coef1, \coef2
.if \neg > 0
vneg.s32 \tmp2, \tmp2
.endif
vrshrn.s32 \in1, \tmp1, #14
vrshrn.s32 \in2, \tmp2, #14
vrshrn.s32 \inout1, \tmp1, #14
vrshrn.s32 \inout2, \tmp2, #14
.endm
@ inout1,inout2 = (inout1,inout2 * coef1 - inout3,inout4 * coef2 + (1 << 13)) >> 14