Re: RISC-V: avoid splitting small constants in bcrli_nottwobits patterns

[Jeff Law <jeffreyalaw@gmail.com>]

On 4/20/23 14:11, Jivan Hakobyan via Gcc-patches wrote:
> and_nottwobits.patch
> 
> RISC-V: avoid splitting small constant in *bclri<mode>_nottwobits
>          and *bclridisi_nottwobit patterns
> 
> gcc/
>          * config/riscv/bitmanip.md Updated predicats of
>          bclri<mode>_nottwobits and bclridisi_nottwobits patterns
>          * config/riscv/predicates.md (not_uimm_extra_bit_or_nottwobits):
>          Adjust predicate to avoid splitting arith constants
>          * config/riscv/predicates.md (const_nottwobits_not_arith_operand):
>          New predicate
> 
> gcc/testsuite
>          * gcc.target/riscv/zbs-bclri-nottwobits.c: New test.
Thanks.  I made trivial fixes to the ChangeLog entry and pushed this to 
the trunk.

jeff