[RFT] fwprop merge

[Kaz Kojima]

Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> In the mean time, these are the latest patches, in case people want
> to help.

I've regtested it for x86 cross sh4-unknown-linux-gnu and
sh64-unknown-linux-gnu.  There are no new failures on both
targets and it cures some FAILs on sh4-unknown-linux-gnu:

Old tests that failed, that have disappeared: (Eeek!)

PR26858 -O3 execution - source compiled test
libgomp.fortran/threadprivate2.f90  -O2  execution test
libgomp.fortran/threadprivate2.f90  -O3 -fomit-frame-pointer  execution test
libgomp.fortran/threadprivate2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  execution test
libgomp.fortran/threadprivate2.f90  -O3 -fomit-frame-pointer -funroll-loops  execution test
libgomp.fortran/threadprivate2.f90  -O3 -g  execution test

Regards,
	kaz