On Wed, Nov 07, 2012 at 03:39:15PM +0100, Martin Jambor wrote:
> another bootstrap finishes. I'm not sure if it would be OK to commit
> it now, given it is stage3, though. OTOH, I think it would be worth
> it.
I'm ok with getting that in now from RM POV, but not familiar with the
code enough to review it. So, if somebody acks it (Honza?), it can be
added.
> 2012-11-07 Martin Jambor <mjam...@suse.cz>
>
> * ipa-prop.c (determine_known_aggregate_parts): Skip writes to
> different declarations when tracking writes to a declaration.
>
> Index: src/gcc/ipa-prop.c
> ===================================================================
> --- src.orig/gcc/ipa-prop.c
> +++ src/gcc/ipa-prop.c
> @@ -1318,7 +1318,12 @@ determine_known_aggregate_parts (gimple
> break;
> }
> else if (lhs_base != arg_base)
> - break;
> + {
> + if (DECL_P (lhs_base))
> + continue;
> + else
> + break;
> + }
>
> if (lhs_offset + lhs_size < arg_offset
> || lhs_offset >= (arg_offset + arg_size))
Jakub
