------- Comment #9 from dave at hiauly1 dot hia dot nrc dot ca 2010-06-30
14:06 -------
Subject: Re: FAIL: gcc.dg/ipa/ipa-pta-10.c scan-ipa-dump pta "ESCAPED = { }"
> Can you, instead of
>
> /* Copied from va-pa.h, but we probably don't need to align to
> word size, since we generate and preserve that invariant. */
> u = size_int (size > 4 ? -8 : -4);
> t = fold_convert (sizetype, t);
> t = build2 (BIT_AND_EXPR, sizetype, t, u);
> t = fold_convert (valist_type, t);
>
> use
>
> u = build_int_cst (TREE_TYPE (t), (HOST_WIDE_INT)(size > 4 ? -8 : -4));
> t = build2 (BIT_AND_EXPR, TREE_TYPE (t), t, u);
> t = fold_convert (valist_type, t);
>
> thus, perform the AND in pointer types? This is what I am going to do
> to replace REALIGN_INDIRECT_REF with and teach PTA about this (so to not
> pessimize hppa here).
I'll test this change in my next build tonight.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43958
