[Bug target/54429] [SH] SImode values get ferried through FPUL and FP regs for -O0

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54429

--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-08-31 11:54:27 UTC ---
(In reply to comment #1)
> I don't know the history about it.  I guess that the original
> intention would be to use FP registers as fast memories for
> integers, though I'm wrong about it.  BTW, the last time I
> tried to disable integer mode for FP registers, some reload
> failures popped up in gcc testsuite.  Are there no new failures
> on your test with the above patch?

I haven't done proper testing.  I will check out what's happening there.