K 10
svn:author
V 2
mm
K 8
svn:date
V 27
2011-03-17T09:44:33.097032Z
K 7
svn:log
V 302
Backport missing tunings for -march=core2:
- enable extra 80387 mathematical constants (ext_80387_constants) [1]
- enable compare and exchange 16 bytes (cmpxchg16b) [2]

Verified against llvm-gcc (and apple gcc)

Obtained from:	gcc-4.3 (ref. svn revs. 119260 [1], 121140 [2]; GPLv2)
MFC after:	2 weeks

END