: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: yufan8.chen at gmail dot com
Target: arm-none-linux-gnueabi
Created attachment 32670
--> http://gcc.gnu.org/bugzi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #1 from YuFan ---
Created attachment 32671
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32671&action=edit
kernel source code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #3 from YuFan ---
Created attachment 32673
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32673&action=edit
the assembly code of modifying pcm_native.c with printk()
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #2 from YuFan ---
Created attachment 32672
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32672&action=edit
the assembly code of originial pcm_native.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #5 from YuFan ---
(In reply to Andrew Pinski from comment #4)
> Could there be an out of bounds access in that loop?
I traced the code, and the following code is equal to the original one with
replacing inline functions. In C code, th
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #7 from YuFan ---
(In reply to Richard Biener from comment #6)
> Please provide preprocessed source of pcm_native.c
Hi, Please check the attachment: "kernel source code".
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #9 from YuFan ---
Created attachment 32674
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32674&action=edit
pcm_native.i
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #10 from YuFan ---
After more tests, I figure out the issue is caused by the commit:
SVN revision:
r206552 | amker | 2014-01-11 17:33:39 +0800 (六, 11 1月 2014) | 7 lines
* tree-ssa-loop-ivopts.c (iv_ca_narrow): New parameter
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #11 from YuFan ---
any update?
Do I need to provide other information?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60947
--- Comment #19 from YuFan ---
After patching the memset.S, it works correctly.
Thanks a lot.
10 matches
Mail list logo