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[Bug target/24419] ix86 prologue clobbers memory when it shouldn't
- From: "jh at suse dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Oct 2005 17:41:53 -0000
- Subject: [Bug target/24419] ix86 prologue clobbers memory when it shouldn't
- References: <bug-24419-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from jh at suse dot cz 2005-10-18 17:41 -------
Subject: Re: ix86 prologue clobbers memory when it shouldn't
>
>
> ------- Comment #7 from hjl at lucon dot org 2005-10-18 17:33 -------
> We are working on ix86 optimization and run into this problem.
The patch quoted on begining of thread should affect compilation with
-mred-zone enabled only and that one is off for ix86. Can I see 32bit
testcase? In general it is wrong on x86 to put data on unallocated
stack at first place...
Honza
>
>
> --
>
> hjl at lucon dot org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> Summary|[3.4/4.0/4.1 Regression]: |ix86 prologue clobbers
> |ix86 prologue puts values |memory when it shouldn't
> |beyond stack |
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419
>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419