Scott Mansell 8c857b45f8 Fix PPC_FP on non-sse4.1 code paths.
The Invalid bit on the x87 fpu is sticky, so once a single NaN goes
through the old code on CPUs without sse4.1 all future floats are
mutilated.

Patch to emulate PTEST by Fiora.

Fixes issue 7237 and issue 7510.
2014-07-31 16:00:27 +12:00
..
2014-07-31 16:00:27 +12:00