Xi Ruoyao <xry...@xry111.site> 于2024年6月9日周日 21:50写道： > > A move/bstrins pair is as fast as a (addi.w|lu12i.w|lu32i.d|lu52i.d)/and > pair, and twice fast as a srli/slli pair. When the src reg and the dst
Just want to know that why not adjust the RTX cost of bstrins vs srli/slli? It may benefit more cases. > reg happens to be the same, the move instruction can be optimized away. >
