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Re: [PATCH] Fix Pascal build failure on s390 and powerpc


Ulrich Weigand writes:
> Hello,
> 
> building the Pascal front end for gcc 3.3 on s390 fails due to
> an unrecognized insn.  This turns out to be the fault of
> store_constructor which generates a CONST_INT that doesn't
> fit in the appropriate mode, because it isn't properly sign-
> extended.
> 
> This patch fixes the problem by using gen_int_mode.

fixes the same error for powerpc-linux as well.

> Bootstrapped/regtested on s390-ibm-linux and s390x-ibm-linux.
> OK (for 3.3/3.4./3.5)?

I assume for 3.4.1, ok for 3.3.4?

> Bye,
> Ulrich
> 
> ChangeLog:
> 
> 	* expr.c (store_constructor): Use gen_int_mode to correctly
> 	sign-extend CONST_INT value.
> 
> 
> *** src/gcc/expr.c.orig	Tue Mar 23 18:17:35 2004
> --- src/gcc/expr.c	Tue Mar 23 18:15:46 2004
> *************** store_constructor (exp, target, cleared,
> *** 5359,5365 ****
>   		{
>   		  if (word != 0 || ! cleared)
>   		    {
> ! 		      rtx datum = GEN_INT (word);
>   		      rtx to_rtx;
>   
>   		      /* The assumption here is that it is safe to use
> --- 5359,5365 ----
>   		{
>   		  if (word != 0 || ! cleared)
>   		    {
> ! 		      rtx datum = gen_int_mode (word, mode);
>   		      rtx to_rtx;
>   
>   		      /* The assumption here is that it is safe to use
> -- 
>   Dr. Ulrich Weigand
>   weigand@informatik.uni-erlangen.de


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