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From: Richard Sandiford <richard.sandiford@arm.com>
To: Jojo R via Gcc-patches <gcc-patches@gcc.gnu.org>
Cc: rjiejie@linux.alibaba.com
Subject: Re: [PATCH] genrecog.cc (print_nonbool_test): Fix type error of SUBREG_BYTE
Date: Tue, 20 Sep 2022 09:33:27 +0100	[thread overview]
Message-ID: <mpto7va30o8.fsf@arm.com> (raw)
In-Reply-To: <20220919060141.5014-1-rjiejie@linux.alibaba.com> (Jojo R. via Gcc-patches's message of "Mon, 19 Sep 2022 14:01:41 +0800")

Jojo R via Gcc-patches <gcc-patches@gcc.gnu.org> writes:
> 	* gcc/genrecog.cc (print_nonbool_test): Fix type error of
> 	SUBREG_BYTE

We can't do this here.  The code has done nothing to prove that the
subreg offset is a compile-time constant.

Thanks,
Richard

> ---
>  gcc/genrecog.cc | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/gcc/genrecog.cc b/gcc/genrecog.cc
> index 77f8fb97853..319e437e334 100644
> --- a/gcc/genrecog.cc
> +++ b/gcc/genrecog.cc
> @@ -4619,6 +4619,7 @@ print_nonbool_test (output_state *os, const rtx_test &test)
>        printf ("SUBREG_BYTE (");
>        print_test_rtx (os, test);
>        printf (")");
> +      printf (".to_constant ()");
>        break;
>  
>      case rtx_test::WIDE_INT_FIELD:

      reply	other threads:[~2022-09-20  8:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-19  6:01 Jojo R
2022-09-20  8:33 ` Richard Sandiford [this message]

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