Re: [PATCH] OPTABS: Extend the number of expanding instructions pattern.

[Richard Biener <rguenther@suse.de>]

On Mon, 15 May 2023, juzhe.zhong@rivai.ai wrote:

> From: Juzhe-Zhong <juzhe.zhong@rivai.ai>
> 
> Hi, Richi.
> 
> We (RVV) is going to add a rounding mode operand into floating-point instructions
> which have 11 operands.
> 
> Since we are going have intrinsic that is adding rounding mode argument:
> https://github.com/riscv-non-isa/rvv-intrinsic-doc/pull/226
> 
> This is the patch that is adding rounding mode operand in RISC-V port:
> https://gcc.gnu.org/pipermail/gcc-patches/2023-May/618573.html
> You can see there are 11 operands in these patterns.
> 
> Is it Ok for trunk ?

OK.

Richard.

> Thanks
> 
> gcc/ChangeLog:
> 
>         * optabs.cc (maybe_gen_insn): Add case to generate instruction that has 11 operands.
> 
> ---
>  gcc/optabs.cc | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/gcc/optabs.cc b/gcc/optabs.cc
> index c8e39c82d57..a12333c7169 100644
> --- a/gcc/optabs.cc
> +++ b/gcc/optabs.cc
> @@ -8139,6 +8139,11 @@ maybe_gen_insn (enum insn_code icode, unsigned int nops,
>  			      ops[3].value, ops[4].value, ops[5].value,
>  			      ops[6].value, ops[7].value, ops[8].value,
>  			      ops[9].value);
> +    case 11:
> +      return GEN_FCN (icode) (ops[0].value, ops[1].value, ops[2].value,
> +			      ops[3].value, ops[4].value, ops[5].value,
> +			      ops[6].value, ops[7].value, ops[8].value,
> +			      ops[9].value, ops[10].value);
>      }
>    gcc_unreachable ();
>  }
> 

-- 
Richard Biener <rguenther@suse.de>
SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg,
Germany; GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman;
HRB 36809 (AG Nuernberg)