enum machine_mode tmode, mode1;
tree arg0, arg1, arg2;
int elt;
- rtx op0, op1;
+ rtx op0, op1, target;
arg0 = CALL_EXPR_ARG (exp, 0);
arg1 = CALL_EXPR_ARG (exp, 1);
op0 = force_reg (tmode, op0);
op1 = force_reg (mode1, op1);
- ix86_expand_vector_set (true, op0, op1, elt);
+ /* OP0 is the source of these builtin functions and shouldn't be
+ modifified. Create a copy, use it and return it as target. */
+ target = gen_reg_rtx (tmode);
+ emit_move_insn (target, op0);
+ ix86_expand_vector_set (true, target, op1, elt);
- return op0;
+ return target;
}
/* Expand an expression EXP that calls a built-in function,