Good catch, Thomas!

Thanks for the fix.

Paul


On Tue, 15 Oct 2024 at 08:50, Thomas Schwinge <tschwi...@baylibre.com>
wrote:

> Hi!
>
> On 2024-10-14T21:18:17+0100, Sam James <s...@gentoo.org> wrote:
> > Sam James <s...@gentoo.org> writes:
> >> Andre Vehreschild <ve...@gmx.de> writes:
> >>> [...] During latest regression testing of the Fortran suite I got
> >>> typebound_operator_7.f03 failing with:
> >>>
> >>> typebound_operator_7.f03:94:25:
> >>>
> >>>    94 |   u = (u*2.0*4.0) + u*4.0
> >>>       |                         1
> >>> internal compiler error: tree check: expected function_decl, have
> indirect_ref
> >>>    in DECL_FUNCTION_CODE, at tree.h:4329 0x3642f3e internal_error(char
> const*,
> >>>    ...)
> /mnt/work_store/gcc/gcc.test/gcc/diagnostic-global-context.cc:517
> >>> 0x1c0a703 tree_check_failed(tree_node const*, char const*, int, char
> const*,
> >>>    ...) /mnt/work_store/gcc/gcc.test/gcc/tree.cc:9003
> >>> 0xeb9150 tree_check(tree_node const*, char const*, int, char const*,
> tree_code)
> >>>     /mnt/work_store/gcc/gcc.test/gcc/tree.h:3921
> >>> 0xf5725b DECL_FUNCTION_CODE(tree_node const*)
> >>>     /mnt/work_store/gcc/gcc.test/gcc/tree.h:4329
> >>> 0xf383d6 update_builtin_function
> >>>     /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:4405
> >>> 0xf468b9 gfc_conv_procedure_call(gfc_se*, gfc_symbol*,
> gfc_actual_arglist*,
> >>>    gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:8236 0xf48b0f
> >>>    gfc_conv_function_expr
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:8815 0xf4ceda
> >>>    gfc_conv_expr(gfc_se*, gfc_expr*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:9982 0xf40777
> >>>    gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
> >>>    gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:6816 0xf48b0f
> >>>    gfc_conv_function_expr
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:8815 0xf4ceda
> >>>    gfc_conv_expr(gfc_se*, gfc_expr*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:9982 0xf40777
> >>>    gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
> >>>    gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-expr.cc:6816 0xfb580a
> >>>    gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-stmt.cc:425 0xed9363
> >>>    trans_code /mnt/work_store/gcc/gcc.test/gcc/fortran/trans.cc:2434
> 0xed97d5
> >>>    gfc_trans_code(gfc_code*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans.cc:2713 0xf26342
> >>>    gfc_generate_function_code(gfc_namespace*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans-decl.cc:7958 0xed9819
> >>>    gfc_generate_code(gfc_namespace*)
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/trans.cc:2730 0xe544ee
> >>>    translate_all_program_units
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/parse.cc:7156 0xe54e23
> >>>    gfc_parse_file()
> /mnt/work_store/gcc/gcc.test/gcc/fortran/parse.cc:7473
> >>>    0xebf7ce gfc_be_parse_file
> >>>    /mnt/work_store/gcc/gcc.test/gcc/fortran/f95-lang.cc:241
>
> >> Tobias Burnus (1):
> >>       Fortran: Use OpenACC's acc_on_device builtin, fix OpenMP'
> __builtin_is_initial_device
>
> > Indeed: https://gcc.gnu.org/PR117136.
>
> On 2024-10-13T10:21:01+0200, Tobias Burnus <tbur...@baylibre.com> wrote:
> > Now pushed as r15-4298-g3269a722b7a036.
>
> > --- a/gcc/fortran/trans-expr.cc
> > +++ b/gcc/fortran/trans-expr.cc
>
> >  static void
> > -conv_function_val (gfc_se * se, gfc_symbol * sym, gfc_expr * expr,
> > -                gfc_actual_arglist *actual_args)
> > +conv_function_val (gfc_se * se, bool *is_builtin, gfc_symbol * sym,
> > +                gfc_expr * expr, gfc_actual_arglist *actual_args)
> >  {
> >    tree tmp;
> >
> > +  *is_builtin = false;
> > [...]
>
> Unconditionally initializes '*is_builtin' here...
>
> > @@ -6324,6 +6366,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol *
> sym,
> >    gfc_actual_arglist *arg;
> >    int has_alternate_specifier = 0;
> >    bool need_interface_mapping;
> > +  bool is_builtin;
> >    bool callee_alloc;
> >    bool ulim_copy;
> >    gfc_typespec ts;
> > @@ -8164,7 +8207,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol *
> sym,
> >
> >    /* Generate the actual call.  */
> >    if (base_object == NULL_TREE)
> > -    conv_function_val (se, sym, expr, args);
> > +    conv_function_val (se, &is_builtin, sym, expr, args);
> >    else
> >      conv_base_obj_fcn_val (se, base_object, expr);
> >
> > @@ -8189,6 +8232,9 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol *
> sym,
> >    fntype = TREE_TYPE (TREE_TYPE (se->expr));
> >    se->expr = build_call_vec (TREE_TYPE (fntype), se->expr, arglist);
> >
> > +  if (is_builtin)
> > +    se->expr = update_builtin_function (se->expr, sym);
> > +
> >    /* Allocatable scalar function results must be freed and nullified
> >       after use. This necessitates the creation of a temporary to
> >       hold the result to prevent duplicate calls.  */
>
> ..., however: 'conv_function_val' is not always called here, and
> therefore 'is_builtin' not always initialized, giving rise to
> PR117136 "[15 regression] ICE for gfortran.dg/typebound_operator_11.f90
> since r15-4298-g3269a722b7a036".
> Based on Harald's analysis and patch, I've pushed to trunk branch
> commit fa90febea9801d4255bf6a1e9f0fd998629c3c7c
> "Fortran: Use OpenACC's acc_on_device builtin, fix OpenMP'
> __builtin_is_initial_device: Fix 'is_builtin' initialization",
> see attached.
>
>
> Grüße
>  Thomas
>
>
>

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