[(use (match_operand:SI 0 "gpc_reg_operand" ""))
(use (match_operand:SI 1 "gpc_reg_operand" ""))
(use (match_operand:SI 2 "const_int_operand" ""))]
- ""
+ "exact_log2 (INTVAL (operands[2])) >= 0"
"
{
- int i = exact_log2 (INTVAL (operands[2]));
rtx temp1 = gen_reg_rtx (SImode);
rtx temp2 = gen_reg_rtx (SImode);
- if (i < 0)
- FAIL;
-
emit_insn (gen_divsi3 (temp1, operands[1], operands[2]));
- emit_insn (gen_ashlsi3 (temp2, temp1, GEN_INT (i)));
+ emit_insn (gen_ashlsi3 (temp2, temp1,
+ GEN_INT (exact_log2 (INTVAL (operands[2])))));
emit_insn (gen_subsi3 (operands[0], operands[1], temp2));
DONE;