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.
