From: Joel Brobecker <brobecker@adacore.com>
To: Doug Evans <dje@google.com>
Cc: GDB Patches <gdb-patches@sourceware.org>,
Pierre Muller <muller@ics.u-strasbg.fr>
Subject: Re: [BUG] BINOP_DIV and ptyp command
Date: Tue, 29 Jan 2008 07:35:00 -0000 [thread overview]
Message-ID: <20080129064148.GB16288@adacore.com> (raw)
In-Reply-To: <e394668d0801282052g3c3b0510l3448f39a5a6d78f0@mail.gmail.com>
> I may be missing something, but it seems like special casing
> EVAL_AVOID_SIDE_EFFECTS for DIV/MOD/REM is no longer useful here
I don't think this is right. EVAL_AVOID_SIDE_EFFECTS is used when
computing the actual value is not needed. For instance, when you do
"ptype", the expression is evaluated in that mode. So when you do
"ptype 3 div 2", we don't do the division, we just know that we're only
interested in the type of result. So the expression evaluator will
return a struct value of the correct type but with a bogus contents,
instead of doing the division, only to discard the result down the road.
So the code you suggested we remove is useful.
--
Joel
next prev parent reply other threads:[~2008-01-29 6:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <002301c85c12$a73a4640$f5aed2c0$@u-strasbg.fr>
2008-01-29 5:26 ` Doug Evans
2008-01-29 6:32 ` Doug Evans
2008-01-29 14:42 ` Daniel Jacobowitz
2008-01-29 16:16 ` Doug Evans
2008-01-29 16:24 ` Doug Evans
2008-01-29 16:37 ` Daniel Jacobowitz
2008-01-29 7:35 ` Joel Brobecker [this message]
2008-01-29 7:51 ` Pierre Muller
2008-01-29 13:46 ` Daniel Jacobowitz
2008-01-29 15:17 ` Pierre Muller
2008-01-29 16:25 ` 'Daniel Jacobowitz'
2008-01-29 16:04 ` Doug Evans
2008-01-29 16:34 ` Pierre Muller
2008-01-29 15:51 ` Doug Evans
2008-01-29 16:49 ` Daniel Jacobowitz
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