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Re: not computable at load time

From: Paul Koning <paulkoning at comcast dot net>
To: Richard Biener <richard dot guenther at gmail dot com>
Cc: "Joseph S. Myers" <joseph at codesourcery dot com>, GCC Development <gcc at gcc dot gnu dot org>
Date: Tue, 29 May 2018 09:35:02 -0400
Subject: Re: not computable at load time
References: <1A72BAC7-9DFB-4F98-9191-DDE896021A41@comcast.net> <CAFiYyc13yZQzJK6+K29Uxn8f8g7_Zk6V7HgVt9mkMRo4Cqy-RA@mail.gmail.com> <mvmefhwnjnz.fsf@suse.de> <C25BA1FD-1CC8-434F-A701-51E25480501A@gmail.com> <5D1DB310-D460-4A04-A0ED-8C9941D8A9F9@comcast.net> <CAFiYyc3H4s85r28CDQJcfR8maXcY3=OYe6SX=OAnNnDRMU6w1Q@mail.gmail.com>


> On May 29, 2018, at 5:49 AM, Richard Biener <richard.guenther@gmail.com> wrote:
> ...
> It might be a "regression" with the POINTER_MINUS_EXPR introduction.
> You can debug this with gdb when you break on 'pointer_diff'.  For me
> on x86_64 this builds a POINTER_DIFF_EXPR: (char *) &s.f - &s.b
> of ptrdiff_t.  That a conversion breaks the simplification tells us that
> somewhere we possibly fail to simplify it (maybe even during assembling).
> 
> You might want to file a bug for the 'long long' issue.

Done, https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85974

	paul

References:
- not computable at load time
  - From: Paul Koning
- Re: not computable at load time
  - From: Richard Biener
- Re: not computable at load time
  - From: Andreas Schwab
- Re: not computable at load time
  - From: Richard Biener
- Re: not computable at load time
  - From: Paul Koning
- Re: not computable at load time
  - From: Richard Biener

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