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From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Alexey Dobriyan <adobriyan@gmail.com>, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, jani.nikula@linux.intel.com,
	joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com,
	intel-gfx@lists.freedesktop.org, rostedt@goodmis.org,
	mingo@redhat.com
Subject: Re: [PATCH] Make is_signed_type() simpler
Date: Sun, 29 Sep 2019 22:21:48 +0200	[thread overview]
Message-ID: <f99ca43d-1ba2-95fb-b90f-6706a06f8ce6@rasmusvillemoes.dk> (raw)
In-Reply-To: <20190929200619.GA12851@avx2>

On 29/09/2019 22.06, Alexey Dobriyan wrote:
> * Simply compare -1 with 0,
> * Drop unnecessary parenthesis sets
> 
> -#define is_signed_type(type)       (((type)(-1)) < (type)1)
> +#define is_signed_type(type)       ((type)-1 < 0)

NAK. I wrote it that way to avoid -Wtautological-compare when type is
unsigned.

Rasmus

  parent reply	other threads:[~2019-09-29 20:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-29 20:06 [PATCH] Make is_signed_type() simpler Alexey Dobriyan
2019-09-29 20:15 ` Steven Rostedt
2019-09-29 20:44   ` Alexey Dobriyan
2019-09-29 21:16     ` Steven Rostedt
2019-09-29 20:21 ` Rasmus Villemoes [this message]
2019-09-29 21:09   ` Alexey Dobriyan
2019-09-30  6:16     ` Rasmus Villemoes
2019-09-30 18:34 ` [Intel-gfx] " Ruhl, Michael J

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