http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32820
--- Comment #8 from Siarhei Siamashka siarhei.siamashka at gmail dot com
2010-10-25 10:17:47 UTC ---
On the second thought, this bug was about global variables. But my problem is
related to the use of local variables. So I have submitted a
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32820
Siarhei Siamashka siarhei.siamashka at gmail dot com changed:
What|Removed |Added
CC|
--- Comment #5 from steven at gcc dot gnu dot org 2007-11-26 14:10 ---
Thanks for the effort you have put into this.
Your bug is probably fixed in GCC 4.3 (for which the entire dataflow module has
been rewritten from scratch) but it probably still exists in GCC 4.2.
As you have shown,
--- Comment #4 from jbuehler at spirentcom dot com 2007-08-09 11:38 ---
Created an attachment (id=14045)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14045action=view)
gcc 4.0.4 global register variable optimizer patch
The attached patch fixes the optimizer bug for gcc 4.0.4 and
--- Comment #1 from jbuehler at spirentcom dot com 2007-07-25 13:09 ---
This bug is also present in 4.0.1 for powerpc-ibm-aix5.2.0.0. Change the
registers in the problematic code to r14, r15, r16, r17 -- one of the registers
is not set by the optimized routine, but is by the
--- Comment #2 from jbuehler at spirentcom dot com 2007-07-25 13:22 ---
The same bug is present in the following versions of gcc for
sparc-sun-solaris2.9:
2.95.3
2.95
3.0.2
3.0.4
3.1.1
3.2.3
3.3.6
3.4.6
4.0.1
4.0.4
4.1.2
4.2.0
Use registers l1, l2, l3, l4 in the sample code to
--- Comment #3 from jbuehler at spirentcom dot com 2007-07-25 13:28 ---
I would appreciate a fix for this because the code being compiled is the GHC
compiler itself. I have to compile GHC for hppa without optimization because I
have been unable to find a compiler options workaround for
