Re: [PATCH] RISC-V: add TARGET_ZBKB to the condition of bswapsi2, bswapdi2 and rotr3 patterns

[Jeff Law via Gcc-patches]

On 4/10/23 04:56, Lin Sinan wrote:

From: Sinan Lin <sinan....@linux.alibaba.com>

tell gcc that zbkb has these two spn to enable some optimizations. e.g.
1) the rrotate_expr could match to rotrm3 during expand; 2) hook up
__builtin_bswap64 with `rev8` in zbkb64.

Thanks.  I pushed this to the trunk.

jeff