gfc_conv_expr_val

[Feng Wang]

--- Feng Wang <wf_cs@yahoo.com> wrote:

> When tracing a bug, I found some weird codes in gfc_conv_expr_val. This is a
> simple function in trans-expr.c as follows:
> 
> void
> gfc_conv_expr_val (gfc_se * se, gfc_expr * expr)
> {
>   tree val;
> 
>   gcc_assert (expr->ts.type != BT_CHARACTER);
>   gfc_conv_expr (se, expr);
>   if (se->post.head)
>     {
>       val = gfc_create_var (TREE_TYPE (se->expr), NULL);
>       gfc_add_modify_expr (&se->pre, val, se->expr);
>     }
> }
> 
> In the if block, we create a tempary variable and assign an expression to it.
> But obviously we cannot use the variable when leaving the function. I don't
> know the aim of the function since there is no comment on it. If I remove the
> if block, regtest is also successful on ia64-linux-gnu.
> 

Shall we remove this function and use gfc_conv_expr instead? 

Best Regards,
Feng Wang

--
Creative Compiler Research Group,
National University of Defense Technology, China.


	


	
		
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