[Bug testsuite/51258] 64-bit gcc.dg/atomic-compare-exchange-5.c link failure on 32-bit Solaris/x86

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51258

--- Comment #11 from Uros Bizjak <ubizjak at gmail dot com> 2011-11-25 16:26:41 UTC ---
I have additional patch that checks cpuid bit_CMPXCHG16B (and bit_CMPXCHG8B
fwiw) for runtime support.