The avg3_floor pattern leverage the add and shift rtl
with the DOUBLE_TRUNC mode iterator. Aka, RVVDImode
iterator will generate avg3rvvsimode_floor, only the
element size QI, HI and SI are allowed.
Thus, this patch would like to support the DImode by
the standard name, with the iterator V_VLSI_
From: Pan Li
The avg3_floor pattern leverage the add and shift rtl
with the DOUBLE_TRUNC mode iterator. Aka, RVVDImode
iterator will generate avg3rvvsimode_floor, only the
element size QI, HI and SI are allowed.
Thus, this patch would like to support the DImode by
the standard name, with the it