vfwcvt.xu.f.v, vfwcvt.x.f.v, vfwcvt.rtz.xu.f.v and vfwcvt.rtz.x.f.v
convert single-width floating-point to double-width integer.
Therefore, should use require_rvf() to check whether RVF/RVD is enabled.
vfwcvt.f.xu.v, vfwcvt.f.x.v convert single-width integer to double-width
floating-point, and vfwcvt.f.f.v convert double-width floating-point to
single-width floating-point. Therefore, should use require_scale_rvf() to
check whether RVF/RVD is enabled.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220105022247.21131-3-frank.chang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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