From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: fortran@gcc.gnu.org
Subject: Re: Need a hint or more likely help
Date: Sat, 10 Feb 2024 23:02:22 -0800 [thread overview]
Message-ID: <Zchw_jSL8nMbvp9-@troutmask.apl.washington.edu> (raw)
In-Reply-To: <ZcgqSmfPcqKXlpzQ@troutmask.apl.washington.edu>
On Sat, Feb 10, 2024 at 06:00:42PM -0800, Steve Kargl wrote:
>
> The problem here is that sym->ts.u.cl->length == NULL. If I change
> the conditional to
>
> if (sym->ts.type == BT_CHARACTER
> && sym->ts.u.cl->length
> && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
>
> then the option -fdump-tree-original produces
>
> void bar ()
> {
> integer(kind=8) .s;
> struct array01_character(kind=1) s;
>
> try
> {
> s.data = 0B;
> s.dtype = {.elem_len=(unsigned long) .s, .version=0, .rank=1, .type=6};
> bah ((character(kind=1)[0:][1:.s] * restrict) s.data, .s);
> }
>
Well, that leads to a regression. The goes removes references
to an undefined variable, and gives a regression? I tried to
artificial set length to 0 (and -1 but -1 is 0) and that leads
to even more regressions??
--
Steve
next prev parent reply other threads:[~2024-02-11 7:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-11 2:00 Steve Kargl
2024-02-11 7:02 ` Steve Kargl [this message]
2024-02-11 10:56 ` Mikael Morin
2024-02-11 17:40 ` Steve Kargl
2024-02-12 3:14 ` Steve Kargl
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