{
rtx tmp = gen_reg_rtx (SImode);
- emit_insn (gen_cmp_ne_small_const_insn (tmp, x, y));
+ emit_insn (gen_addsi3 (tmp, x, GEN_INT (-INTVAL (y))));
x = tmp;
y = const0_rtx;
}
if (y == const0_rtx)
tmp = const1_rtx;
else
- emit_insn (gen_cmp_ne_small_const_insn (tmp, y, const1_rtx));
+ emit_insn (gen_addsi3 (tmp, y, constm1_rtx));
emit_insn (gen_cmp_ltsi_insn (x, tmp));
code = EQ;
break;
if (GET_CODE (y) == CONST_INT)
tmp = gen_rtx (PLUS, SImode, y, const1_rtx);
else
- emit_insn (gen_cmp_ne_small_const_insn (tmp, y, const1_rtx));
+ emit_insn (gen_addsi3 (tmp, y, constm1_rtx));
emit_insn (gen_cmp_ltsi_insn (x, tmp));
code = NE;
break;
if (y == const0_rtx)
tmp = const1_rtx;
else
- emit_insn (gen_cmp_ne_small_const_insn (tmp, y, const1_rtx));
+ emit_insn (gen_addsi3 (tmp, y, constm1_rtx));
emit_insn (gen_cmp_ltusi_insn (x, tmp));
code = EQ;
break;
if (GET_CODE (y) == CONST_INT)
tmp = gen_rtx (PLUS, SImode, y, const1_rtx);
else
- emit_insn (gen_cmp_ne_small_const_insn (tmp, y, const1_rtx));
+ emit_insn (gen_addsi3 (tmp, y, constm1_rtx));
emit_insn (gen_cmp_ltusi_insn (x, tmp));
code = NE;
break;
{
rtx tmp = gen_reg_rtx (SImode);
- emit_insn (gen_cmp_ne_small_const_insn (tmp, x, y));
+ emit_insn (gen_addsi3 (tmp, x, GEN_INT (-INTVAL (y))));
return gen_rtx (code, CCmode, tmp, const0_rtx);
}
cmpui %0,%#%1"
[(set_attr "type" "int2,int4")
(set_attr "length" "2,4")])
-
-
-;; reg == small constant comparisons are best handled by putting the result
-;; of the comparison in a tmp reg and then using beqz/bnez.
-;; ??? The result register doesn't contain 0/STORE_FLAG_VALUE,
-;; it contains 0/nonzero.
-
-(define_insn "cmp_ne_small_const_insn"
- [(set (match_operand:SI 0 "register_operand" "=r,r")
- (ne:SI (match_operand:SI 1 "register_operand" "0,r")
- (match_operand:SI 2 "cmp_int16_operand" "N,P")))]
- ""
- "@
- addi %0,%#%N2
- add3 %0,%1,%#%N2"
- [(set_attr "type" "int2,int4")
- (set_attr "length" "2,4")])
\f
;; These control RTL generation for conditional jump insns.