http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55864
--- Comment #3 from beldmit at nm dot ru 2013-01-03 16:33:02 UTC ---
If this case is better to reproduce the problem or I completely do not
understand the asm usage?
The mmx registers and operations are used to speedup the 64-bit xor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55864
--- Comment #1 from beldmit at nm dot ru 2013-01-03 15:10:07 UTC ---
Created attachment 29077
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29077
The bug representation code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55864
Bug #: 55864
Summary: Optimization cause asm code to wrong behaviour
Classification: Unclassified
Product: gcc
Version: 4.4.5
Status: UNCONFIRMED
Severity: normal