[Bug target/45233] FAIL: gcc.c-torture/compile/pr44707.c

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45233

--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> 2011-11-06 13:00:18 UTC ---
(In reply to comment #3)

Thanks..

> Well, I guess the testcase is simply invalid for MachO, 

well it works for -O0 (and for x86 darwin) ... so let's assume that MachO can
do it  ...

> or the way MachO
> does this UNSPEC stuff is broken (not properly checked during legitimization)

OK, well I'll look at those (although I don't see any dependancy on
optimization level in the legitimize code in rs6000.c or config/darwin.c).

> or not properly restoring the UNSPEC during reload (it's its duty, not IRAs).

I'll check this too.