Whether a fixup needs relaxation for the associated instruction is a
target-specific function, as the FIXME indicated. Create a hook for that
and use it.

llvm-svn: 145881

llvm-svn: 145112

"With this patch we can now generate runnable Mips code through LLVM
direct object emission. We have run numerous simple programs, both C
and C++ and with -O0 and -O3 from the output. The code is not production
ready, but quite useful for experimentation." Patch and message by
Jack Carter

llvm-svn: 144414

Patch by Reed Kotler at Mips Technologies.

llvm-svn: 140886

Patch by Reed Kotler at Mips Technologies.

llvm-svn: 140885