From: Lars Ingebrigtsen <larsi@gnus.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 45562@debbugs.gnu.org, Stefan Kangas <stefan@marxist.se>
Subject: bug#45562: [PATCH] Fix "comparison always the same" warnings found by lgtm
Date: Fri, 01 Jan 2021 12:08:46 +0100 [thread overview]
Message-ID: <87h7o0c3sx.fsf@gnus.org> (raw)
In-Reply-To: <83zh1ugj30.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 31 Dec 2020 16:12:51 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
>> --- a/src/alloc.c
>> +++ b/src/alloc.c
>> @@ -4001,7 +4001,7 @@ memory_full (size_t nbytes)
>> {
>> if (i == 0)
>> free (spare_memory[i]);
>> - else if (i >= 1 && i <= 4)
>> + else if (i <= 4)
>> lisp_align_free (spare_memory[i]);
>> else
>> lisp_free (spare_memory[i]);
>
> This is an optimization better left to the compiler, IMO.
I think the change made the code slightly clearer, though? You don't
have to think about whether there's anything in the range between 0 and
>= 1.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2021-01-01 11:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-31 8:33 bug#45562: [PATCH] Fix "comparison always the same" warnings found by lgtm Stefan Kangas
2020-12-31 14:12 ` Eli Zaretskii
2021-01-01 11:08 ` Lars Ingebrigtsen [this message]
2021-01-01 11:37 ` Unknown
2021-01-01 16:10 ` Stefan Kangas
2021-01-01 12:05 ` Eli Zaretskii
2021-01-01 16:21 ` Stefan Kangas
2021-01-01 16:38 ` Andreas Schwab
2021-07-21 11:30 ` Lars Ingebrigtsen
2021-01-01 18:17 ` Eli Zaretskii
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