target/5728: GCC generated non-optimal code for Hitachi SH-4

[rth@gcc.gnu.org]

Synopsis: GCC generated non-optimal code for Hitachi SH-4

Responsible-Changed-From-To: unassigned->rth
Responsible-Changed-By: rth
Responsible-Changed-When: Fri Mar 29 18:41:27 2002
Responsible-Changed-Why:
    .
State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Fri Mar 29 18:41:27 2002
State-Changed-Why:
    Fixed for gcc 3.1.  Current output is
    
            dmulu.l r5,r4
            nop
            sts     mach,r0
            rts     
            add     #1,r0
    
    I don't know what the nop is for (one of the sh maintainers
    would have to answer that), but the register movement issue
    has been delt with.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5728