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pan/bi: Add bi_nir_round helper

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8135>
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Alyssa Rosenzweig 2020-12-11 21:24:59 -05:00 • committed by Marge Bot
parent 95d62ee7cf
commit 8c99fed470
1 changed files with 12 additions and 0 deletions
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12
src/panfrost/bifrost/bifrost_compile.c
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@ -2036,6 +2036,18 @@ bi_alu_src_index(nir_alu_src src, unsigned comps)
return idx;
}
static enum bi_round
bi_nir_round(nir_op op)
{
switch (op) {
case nir_op_fround_even: return BI_ROUND_NONE;
case nir_op_ftrunc: return BI_ROUND_RTZ;
case nir_op_fceil: return BI_ROUND_RTP;
case nir_op_ffloor: return BI_ROUND_RTN;
default: unreachable("invalid nir round op");
}
}
/* TEXS instructions assume normal 2D f32 operation but are more
* space-efficient and with simpler RA/scheduling requirements*/