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From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Christoph Weinmann <christoph.t.weinmann@intel.com>
Cc: qiyaoltc@gmail.com, gdb-patches@sourceware.org
Subject: Re: [PATCH] fortran: Print logical values as either .FALSE. or .TRUE.
Date: Wed, 13 Jul 2016 08:03:00 -0000	[thread overview]
Message-ID: <20160713080321.GA22474@host1.jankratochvil.net> (raw)
In-Reply-To: <1468396596-19212-1-git-send-email-christoph.t.weinmann@intel.com>

On Wed, 13 Jul 2016 09:56:36 +0200, Christoph Weinmann wrote:
> A Logical value in Fortran may be either .FALSE. or .TRUE.
> When converting from integer, a subset of compilers evaluate
> the whole value, while others only check if the least significant
> bit is set.  This patch unifies the printing output by evaluating
> only the lsb.
[...]
> +	if ((val & 1) == 0)
> +	  fputs_filtered (f_decorations.false_name, stream);
> +	else
> +	  fputs_filtered (f_decorations.true_name, stream);

Doesn't it need to check DW_AT_producer then?  GDB already does that in some
cases.

If the compiler evaluates the whole value, val==16, then GDB will print
something different than what the compiler evaluates.


Jan

  reply	other threads:[~2016-07-13  8:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-13  7:56 Christoph Weinmann
2016-07-13  8:03 ` Jan Kratochvil [this message]
2016-07-13 13:32   ` Weinmann, Christoph T
2016-07-13 13:54     ` Jan Kratochvil
2016-07-13 10:17 ` Andrew Burgess

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