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target/sparc: Implement FMEAN16

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-04 15:40:39 -07:00
parent 1d3ed3d728
commit d6ff1ccb45
4 changed files with 53 additions and 0 deletions
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21
target/sparc/vis_helper.c
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@ -412,3 +412,24 @@ uint64_t helper_fchksm16(uint64_t src1, uint64_t src2)
return r.ll;
}
static inline int16_t do_fmean16(int16_t src1, int16_t src2)
{
return (src1 + src2 + 1) / 2;
}
uint64_t helper_fmean16(uint64_t src1, uint64_t src2)
{
VIS64 r, s1, s2;
s1.ll = src1;
s2.ll = src2;
r.ll = 0;
r.VIS_SW64(0) = do_fmean16(s1.VIS_SW64(0), s2.VIS_SW64(0));
r.VIS_SW64(1) = do_fmean16(s1.VIS_SW64(1), s2.VIS_SW64(1));
r.VIS_SW64(2) = do_fmean16(s1.VIS_SW64(2), s2.VIS_SW64(2));
r.VIS_SW64(3) = do_fmean16(s1.VIS_SW64(3), s2.VIS_SW64(3));
return r.ll;
}