(cmphf): Addd Base Reg with Offset address mode (LB,STB,..)

(cmphf): Addd Base Reg with Offset address mode (LB,STB,..)
(movqi,movhi,movhf,addqi3,addhf3,subqi3,subhf3,mulqihi3): Likewise.
(mulhf3,divhf3,andqi3,iorqi3): Likewise.
(define_peephole): Remove the Base mode peepholes. Replace the
special addqi define_insn for "LIM Ra,sym,Rb" by a define_peephole.
(ashlqi3): Took out futile 0th alternative.
(lshrqi3, lshrhi3, ashrqi3, ahsrhi3): Correct case of non-constant
shift count.

From-SVN: r10575