This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/33088] [4.1/4.2 regression] spurious exceptions with -ffloat-store
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Mar 2008 17:02:29 -0000
- Subject: [Bug middle-end/33088] [4.1/4.2 regression] spurious exceptions with -ffloat-store
- References: <bug-33088-230@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from rguenther at suse dot de 2008-03-13 17:02 -------
Subject: Re: [4.1/4.2 regression] spurious exceptions
with -ffloat-store
On Thu, 13 Mar 2008, pinskia at gcc dot gnu dot org wrote:
> ------- Comment #15 from pinskia at gcc dot gnu dot org 2008-03-13 17:00 -------
> I think this patch causes invalid gimple to show up at -O0 . With my patches
> to detect invalid gimple shows that there are a lot of failures with complex
> and -O0. Did the definition of what is valid gimple for complex at -O0 change?
No. I also recognized that we still set DECL_IS_GIMPLE_REG but
is_gimple_reg says it is not.
We should go into SSA for -O0 as well and fix this for real.
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33088