> + /* If tem is a VAR_DECL, we need a memory reference. */
> + enum expand_modifier tem_modifier = modifier;
> + if (tem_modifier == EXPAND_SUM)
> + tem_modifier = EXPAND_NORMAL;
> + if (TREE_CODE (tem) == VAR_DECL)
> + tem_modifier = EXPAND_MEMORY;
>
>
On Wed, Jun 8, 2022 at 4:14 PM Eric Botcazou via Gcc-patches
wrote:
>
> > The fix is to ensure that we call expand_expr with EXPAND_MEMORY
> > when processing the VAR_DECL's returned by get_inner_reference.
> >
> > This patch has been tested on x86_64-pc-linux-gnu with make bootstrap
> > and make
> The fix is to ensure that we call expand_expr with EXPAND_MEMORY
> when processing the VAR_DECL's returned by get_inner_reference.
>
> This patch has been tested on x86_64-pc-linux-gnu with make bootstrap
> and make -k check (with no new failures), but also with
> --enable-languages="ada" where
Many thanks to Tamar Christina for filing PR middle-end/105874 indicating
that SPECcpu 2017's Leela is failing on x86_64 due to a miscompilation
of FastBoard::is_eye. This function is much smaller and easier to work
with than my previous hunt for the cause of the Ada bootstrap failures
due to
