;;- add instructions
(define_insn "adddi3"
- [(set (match_operand:DI 0 "general_operand" "=&r,ro,o,&r,o,o,o")
- (plus:DI (match_operand:DI 1 "general_operand" "%0,0,0,or,riF,riF,o")
- (match_operand:DI 2 "general_operand" "o,riF,o,oriF,riF,o,o")))
- (clobber (match_scratch:SI 3 "=X,X,&r,X,X,&r,&r"))]
+ [(set (match_operand:DI 0 "general_operand" "=&r,ro,o,&r,ro,o,&r,o,o,o")
+ (plus:DI (match_operand:DI 1 "general_operand" "%0,0,0,o,riF,o,or,riF,riF,o")
+ (match_operand:DI 2 "general_operand" "o,riF,o,0,0,0,oriF,riF,o,o")))
+ (clobber (match_scratch:SI 3 "=X,X,&r,X,X,&r,X,X,&r,&r"))]
""
"*
{
- rtx low[3], high[3], xops[7];
+ rtx low[3], high[3], xops[7], temp;
CC_STATUS_INIT;
- split_di (operands, 3, low, high);
+ if (rtx_equal_p (operands[0], operands[2]))
+ {
+ temp = operands[1];
+ operands[1] = operands[2];
+ operands[2] = temp;
+ }
+ split_di (operands, 3, low, high);
if (!rtx_equal_p (operands[0], operands[1]))
{
xops[0] = high[0];
}
}
- if (GET_CODE (operands[3]) == REG)
+ if (GET_CODE (operands[3]) == REG && GET_CODE (operands[2]) != REG)
{
xops[0] = high[0];
xops[1] = low[0];