From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/4] USB: Fix anti-aliasing complaints in OHCI-HCD
Date: Sat, 20 Aug 2011 20:56:41 +0200 [thread overview]
Message-ID: <201108202056.41937.marek.vasut@gmail.com> (raw)
In-Reply-To: <201108201407.50669.vapier@gentoo.org>
On Saturday, August 20, 2011 08:07:49 PM Mike Frysinger wrote:
> On Saturday, August 20, 2011 09:28:43 Marek Vasut wrote:
> > - __u32 datab[4];
> > + __u8 datab[16] __attribute__((aligned(4)));
> >
> > __u8 *data_buf = (__u8 *)datab;
>
> leverage a union to avoid attributes:
> union {
> __u32 u32[4];
> __u8 u8[16];
> } datab;
> __u8 *data_buf = datab.u8;
>
> also, it isn't "anti-aliasing complaints", it's "fix strict aliasing
> violations". "anti-aliasing" is something completely different in the
> computing world :p.
Well I guess my brain just saw the compiler output differently ... thanks for the
catch.
> -mike
next prev parent reply other threads:[~2011-08-20 18:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-20 13:28 [U-Boot] [PATCH 1/4] PXA: Fix Lubbock, remove redundant parenthesis Marek Vasut
2011-08-20 13:28 ` [U-Boot] [PATCH 2/4] PXA: Fix CSB226, fix monitor length Marek Vasut
2011-08-20 13:28 ` [U-Boot] [PATCH 3/4] USB: Fix anti-aliasing complaints in OHCI-HCD Marek Vasut
2011-08-20 13:34 ` Marek Vasut
2011-08-20 18:07 ` Mike Frysinger
2011-08-20 18:56 ` Marek Vasut [this message]
2011-08-20 13:28 ` [U-Boot] [PATCH 4/4] IDE: Fix anti-aliasing in cmd_ide.c Marek Vasut
2011-08-20 18:10 ` Mike Frysinger
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