/* clr and st insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
if (!ADDRESS_REG_P (operands[0])
- && (TARGET_68020
+ && ((TARGET_68020 || TARGET_5200)
|| !(GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))))
{
if (operands[1] == const0_rtx)
return \"clr%.b %0\";
- if (GET_CODE (operands[1]) == CONST_INT
+ if ((!TARGET_5200 || DATA_REG_P (operands[0]))
+ && GET_CODE (operands[1]) == CONST_INT
&& (INTVAL (operands[1]) & 255) == 255)
{
CC_STATUS_INIT;
"!TARGET_5200"
"lsl%.b %1,%0")
-;; On all 68k models, this makes faster code in a special case.
+;; On most 68k models, this makes faster code in a special case.
(define_insn "ashrsi_16"
[(set (match_operand:SI 0 "register_operand" "=d")
(ashiftrt:SI (match_operand:SI 1 "register_operand" "0")
(const_int 16)))]
- ""
+ "!TARGET_68060"
"swap %0\;ext%.l %0")
;; On the 68000, this makes faster code in a special case.