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lavc/vp8dsp: restrict RVI optimisations

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They are actually awfully slow if the CPU does not support misaligned
accesses natively, so only use them if misaligned accesses are fast.
This commit is contained in:
Rémi Denis-Courmont 2024-05-11 18:49:59 +03:00
parent b410439263
commit 9d3f561721
1 changed files with 1 additions and 1 deletions
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libavcodec/riscv/vp8dsp_init.c
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@ -45,7 +45,7 @@ av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c)
{
#if HAVE_RV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVI) {
if (flags & AV_CPU_FLAG_RV_MISALIGNED) {
#if __riscv_xlen >= 64
c->put_vp8_epel_pixels_tab[0][0][0] = ff_put_vp8_pixels16_rvi;
c->put_vp8_epel_pixels_tab[1][0][0] = ff_put_vp8_pixels8_rvi;