pull across these revisions from gcc 4.1:

revision 1.21
date: 2011/01/23 06:29:52;  author: matt;  state: Exp;  lines: +1 -1
Default mips64 to softfloat.

revision 1.22
date: 2011/02/10 07:18:29;  author: matt;  state: Exp;  lines: +3 -0
Default NetBSD to -msecure-plt now.

(mrg)