http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419
Richard Guenther changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|
--- Comment #19 from hjl dot tools at gmail dot com 2009-02-22 16:52
---
Created an attachment (id=17343)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17343&action=view)
The current patch for gcc 4.4.0 revision 144367
--
hjl dot tools at gmail dot com changed:
Wha
--- Comment #18 from steven at gcc dot gnu dot org 2009-02-22 16:38 ---
Orphaned bug.
HJ?
--
steven at gcc dot gnu dot org changed:
What|Removed |Added
Status
--- Comment #17 from hjl at lucon dot org 2006-01-18 00:58 ---
An updated patch is posted at
http://gcc.gnu.org/ml/gcc-patches/2006-01/msg01061.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419
--- Comment #16 from pinskia at gcc dot gnu dot org 2006-01-18 00:35
---
What seems the resolution of this bug, from what I gather from RTH, this is not
a bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419
--- Comment #15 from hjl at lucon dot org 2005-10-19 04:06 ---
An updated patch is posted at
http://gcc.gnu.org/ml/gcc-patches/2005-10/msg01107.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24419
--- Comment #14 from hjl at lucon dot org 2005-10-18 19:38 ---
Created an attachment (id=10023)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10023&action=view)
A patch
This is the patch I am testing. It seems to fix my problem. I am running
the full bootstrap and check on Linux/i
--- Comment #13 from jh at suse dot cz 2005-10-18 18:29 ---
Subject: Re: ix86 prologue clobbers memory when it shouldn't
>
>
> --- Comment #12 from hjl at lucon dot org 2005-10-18 18:26 ---
> There is another issue when converting stack additions to pop:
>
> (define_peephol
--- Comment #12 from hjl at lucon dot org 2005-10-18 18:26 ---
There is another issue when converting stack additions to pop:
(define_peephole2
[(match_scratch:SI 0 "r")
(parallel [(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int 4)))
(clobber (reg:CC FLAGS_RE
--- Comment #11 from hjl at lucon dot org 2005-10-18 18:23 ---
The change looks reasonable. I will check it out. But I still don't
like pro_epilogue_adjust_stack doesn't tell the truth about if memory is
clobbered. Why not do something like
--- gcc/config/i386/i386.c.stack2005-1
--- Comment #10 from jh at suse dot cz 2005-10-18 18:17 ---
Subject: Re: ix86 prologue clobbers memory when it shouldn't
>
>
> --- Comment #9 from hjl at lucon dot org 2005-10-18 17:50 ---
> We only run into the problem with red zone enabled, which is x86-64. We have
> 2 iss
--- Comment #9 from hjl at lucon dot org 2005-10-18 17:50 ---
We only run into the problem with red zone enabled, which is x86-64. We have
2 issues:
1. When prologue uses mov, memory shouldn't be clobbered. But
ix86_expand_prologue calls pro_epilogue_adjust_stack which clobbers
memory.
--- 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 b
--- Comment #7 from hjl at lucon dot org 2005-10-18 17:33 ---
We are working on ix86 optimization and run into this problem.
--
hjl at lucon dot org changed:
What|Removed |Added
--
14 matches
Mail list logo