From: Hiroyuki Machida <machida@sm.sony.co.jp>
To: bellard@email.enst.fr
Cc: linux-mips@oss.sgi.com
Subject: Re: mips gcc 2.95.2 and 2.91.66 bug
Date: Fri, 09 Mar 2001 11:28:08 +0900 [thread overview]
Message-ID: <20010309112808P.machida@sm.sony.co.jp> (raw)
In-Reply-To: <Pine.GSO.4.02.10103081721360.9471-100000@donjuan.enst.fr>
From: Fabrice Bellard <bellard@email.enst.fr>
Subject: mips gcc 2.95.2 and 2.91.66 bug
Date: Thu, 8 Mar 2001 17:43:31 +0100 (MET)
> Hi!
>
> Maybe this bug can interest you: when using byte swaping in le16_to_cpu
> for example, mips gcc 2.95.2 and 2.91.66 sometime do not generate correct
> code : the u16 to u32 convertion is missing. I found this bug while
> compiling drivers/mtd/ftl.c in build_maps(). Here is a sample source to
> reproduce the bug:
This bug is fixed by following chage in GCC 3.0.
gcc/gcc/ChangeLog.3:
2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
* combine.c (try_combine): Update reg_nonzero_bits of
newi2pat before newpat.
Please refer mail archives at gcc.gnu.org for details.
You can easily apply this fix to gcc-2.95.x.
---
Hiroyuki Machida
Creative Station SCE Inc.
prev parent reply other threads:[~2001-03-09 2:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-08 16:20 Question concerning Assembler error Jeff Harrell
2001-03-08 16:30 ` H.Heinold
2001-03-08 16:40 ` Ralf Baechle
2001-03-08 16:54 ` Kevin D. Kissell
2001-03-08 16:54 ` Kevin D. Kissell
2001-03-09 0:18 ` Ralf Baechle
2001-03-09 0:18 ` Ralf Baechle
2001-03-08 16:37 ` Ralf Baechle
2001-03-08 16:43 ` mips gcc 2.95.2 and 2.91.66 bug Fabrice Bellard
2001-03-09 2:28 ` Hiroyuki Machida [this message]
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