[PATCH] Use cselib_lookup_from_insn in vt_init_cfa_base

[Richard Guenther]

On Wed, 31 Mar 2010, Jakub Jelinek wrote:

> Hi!
> 
> The new function allows us to get rid of an ugly hack.
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for
> trunk?

Ok.

Thanks,
Richard.

> 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
> 
> 	* var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
> 	instead of cselib_lookup following by tweaking locs->setting_insn.
> 
> --- gcc/var-tracking.c.jj	2010-03-30 22:24:21.000000000 +0200
> +++ gcc/var-tracking.c	2010-03-31 10:54:25.000000000 +0200
> @@ -8101,10 +8101,10 @@ vt_init_cfa_base (void)
>    if (!MAY_HAVE_DEBUG_INSNS)
>      return;
>  
> -  val = cselib_lookup (cfa_base_rtx, GET_MODE (cfa_base_rtx), 1);
> +  val = cselib_lookup_from_insn (cfa_base_rtx, GET_MODE (cfa_base_rtx), 1,
> +				 get_insns ());
>    preserve_value (val);
>    cselib_preserve_cfa_base_value (val);
> -  val->locs->setting_insn = get_insns ();
>    var_reg_decl_set (&VTI (ENTRY_BLOCK_PTR)->out, cfa_base_rtx,
>  		    VAR_INIT_STATUS_INITIALIZED, dv_from_value (val->val_rtx),
>  		    0, NULL_RTX, INSERT);
> 
> 	Jakub
> 
> 

-- 
Richard Guenther <rguenther@suse.de>
Novell / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746 - GF: Markus Rex