--- Comment #3 from pinskia at gmail dot com 2006-11-24 06:32 ---
Subject: Re: wrong code generated with -O2 on sh4-linux
On Fri, 2006-11-24 at 06:20 +, sugioka at itonet dot co dot jp
wrote:
>
> --- Comment #2 from sugioka at itonet dot co dot jp 2006-11-24 06:20
> ---
On Fri, 2006-11-24 at 06:20 +, sugioka at itonet dot co dot jp
wrote:
>
> --- Comment #2 from sugioka at itonet dot co dot jp 2006-11-24 06:20
> ---
> This code is reduced from gcc/java/expr.c(add_type_assertion).
> jc1 is really miscompiled on sh4-linux, so bootstrapping
> libgcj fa
--- Comment #2 from sugioka at itonet dot co dot jp 2006-11-24 06:20
---
This code is reduced from gcc/java/expr.c(add_type_assertion).
jc1 is really miscompiled on sh4-linux, so bootstrapping
libgcj fails with segmentation fault in jc1.
Should gcc/java/expr.c be fixed ?
It would be b
--- Comment #1 from pinskia at gcc dot gnu dot org 2006-11-24 06:00 ---
*pp = malloc (sizeof (int));
**(int **)pp = code; /* segmentation fault here */
You are violating aliasing rules in that "void*" does not alias "int*" so the
optimizers are swapping around the store to *pp and