[Bug c/39755] inline memcpy() incorrectly optimized on MIPS target

2009-04-16 Thread msieweke at broadcom dot com 


--- Comment #2 from msieweke at broadcom dot com  2009-04-16 15:06 ---
As mentioned in the original report, the bug doesn't exist in GCC 4.x.x.  It
has since been tested with GCC 3.4.4, where the bug is fixed.
GCC 3.2.x - broken
GCC 3.3.x - broken
GCC 3.4.x - fixed
GCC 4.x.x - fixed
For a number of reasons, we're stuck using GCC 3.2.1 with only minor updates.
I tried porting parts of the MIPS code generator from 3.4.4 into 3.2.1, but
this is a larger project than it appears.  I don't expect anyone to spend much
time fixing this, but I would appreciate a hint about how I might approach
a fix.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39755

[Bug c/39755] inline memcpy() incorrectly optimized on MIPS target

2009-04-16 Thread rguenth at gcc dot gnu dot org 


--- Comment #3 from rguenth at gcc dot gnu dot org  2009-04-16 15:56 ---
Try bisecting the changes to cherry-pick the one fixing the bug.

Fixed in GCC 3.4.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|WAITING |RESOLVED
 Resolution||FIXED
   Target Milestone|--- |3.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39755

[Bug c/39755] inline memcpy() incorrectly optimized on MIPS target

2009-04-14 Thread rguenth at gcc dot gnu dot org 


--- Comment #1 from rguenth at gcc dot gnu dot org  2009-04-14 10:13 ---
GCC 3.2.1 is no longer maintained, please reproduce with at least GCC 4.3.3.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|UNCONFIRMED |WAITING


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39755