target/riscv: optimize condition assign for scale < 0
commitc341e886d9d63a1a27e1b523991e36e2d8cefab7
authorWeiwei Li <liweiwei@iscas.ac.cn>
Fri, 25 Mar 2022 08:59:01 +0000 (25 16:59 +0800)
committerAlistair Francis <alistair.francis@wdc.com>
Fri, 22 Apr 2022 00:35:16 +0000 (22 10:35 +1000)
tree8a3bfb38568babf81c27b25b5bbed22a10911004
parent95799e36c15a9ab602a388491c40f6860f6ae8bf
target/riscv: optimize condition assign for scale < 0

for some cases, scale is always equal or less than 0, since lmul is not larger than 3

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220325085902.29500-1-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
target/riscv/insn_trans/trans_rvv.c.inc