RFA: Remove undocumented SH -mfmovd option

[Kaz Kojima]

Nick Clifton <nickc@redhat.com> wrote:
> Oh dear, I do not see these.  Mind you I was testing with an sh-elf 
> toolchain rather than sh4-unknown-linux-gnu.  I will build a toolchain 
> configured that way and see if I can reproduce the problem.

It looks something wrong happens for little endian sh4 case.
Here is the difference of old/new sh4-unknown-linux-gnu compiler's
outputs for

extern void bar (double);

int foo (void)
{
  bar (1.0);
  return 0;
}

--- old.s       2009-07-02 06:46:13.000000000 +0900
+++ new.s       2009-07-02 06:46:21.000000000 +0900
@@ -11,8 +11,8 @@ foo:
        mov.l   .L2,r1
        sts.l   pr,@-r15
        mova    .L3,r0
-       fmov.s  @r0+,fr5
        fmov.s  @r0+,fr4
+       fmov.s  @r0+,fr5
        jsr     @r1
        mov     r15,r14
        mov     #0,r0

Regards,
	kaz