On Sun, Nov 13, 2022 at 10:46:34PM +0100, Christoph Muellner wrote:
> +(define_expand "extv"
> + [(set (match_operand:GPR 0 "register_operand" "=r")
> + (sign_extract:GPR (match_operand:GPR 1 "register_operand" "r")
> + (match_operand 2 "const_int_operand")
> +
From: Christoph Müllner
The XTheadBb ISA extension provides instructions similar to Zbb:
* th.srri/th.srriw
* th.ext/th.extu
* th.ff1 (count-leading-zeros)
* th.rev/th.revw
Instructions that are not covered, because they don't fit into a
pattern:
* th.ff0 (count-leading-ones)
* th.tstnbz
For th