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Added patterns

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ceriel 1990-09-25 15:12:26 +00:00
parent 5efd4280ee
commit 1ade1b814d
1 changed files with 9 additions and 0 deletions
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mach/m68k2/top/table
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@ -65,6 +65,15 @@ move.l DREG,A : ANY A,X
{reg_subs_allowed(ANY) && {reg_subs_allowed(ANY) &&
!is_dreg(A) } -> move.l DREG,A : ANY DREG,X ; !is_dreg(A) } -> move.l DREG,A : ANY DREG,X ;
cmp.b A,A : beq LAB -> bra LAB ;
cmp.w A,A : beq LAB -> bra LAB ;
cmp.l A,A : beq LAB -> bra LAB ;
/* cannot delete cmp's because they affect condition codes (obvious, but ... )*/
cmp.b A,A : bne LAB -> cmp.b A,A ;
cmp.w A,A : bne LAB -> cmp.w A,A ;
cmp.l A,A : bne LAB -> cmp.l A,A ;
/* change some compares to tests */ /* change some compares to tests */
cmp.w #0,X : beq LAB -> tst.w X : beq LAB ; cmp.w #0,X : beq LAB -> tst.w X : beq LAB ;
cmp.w #0,X : bne LAB -> tst.w X : bne LAB ; cmp.w #0,X : bne LAB -> tst.w X : bne LAB ;