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ARM: disable ff_vector_fmul_vfp on VFPv3 systems 

This function uses old-style vector operations deprecated in VFPv3.
Some implementations, e.g. Cortex-A9, support them only through
slow software emulation.  Cortex-A8 does have this functionality
in hardware, but as it also has NEON, this function is not used
there regardless.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-05-27 20:18:26 +01:00
parent 93eb8e4d7c
commit 79aeade6f6
1 changed files with 2 additions and 1 deletions
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1
libavcodec/arm/dsputil_init_vfp.c
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@ -28,6 +28,7 @@ void ff_vector_fmul_reverse_vfp(float *dst, const float *src0,
void ff_dsputil_init_vfp(DSPContext* c, AVCodecContext *avctx)
{
if (!HAVE_VFPV3)
c->vector_fmul = ff_vector_fmul_vfp;
c->vector_fmul_reverse = ff_vector_fmul_reverse_vfp;
}