On Dec 11, 2024, Richard Biener <richard.guent...@gmail.com> wrote:
> Am 11.12.2024 um 14:50 schrieb Alexandre Oliva <ol...@adacore.com>:
>> if (get_best_mode (end_bit - first_bit, first_bit, 0, 0,
> I think These 0, 0 args are supposed to indicate Maximum extent of the
> resulting Access - but Widening to the largest Mode fitting alignment
> boundary should be valid, so I Wonder what the failure Mode was?
The generated BIT_FIELD_REF hit this gimple check in tree-cfg.cc:
if (!AGGREGATE_TYPE_P (TREE_TYPE (op))
&& known_gt (size + bitpos,
tree_to_poly_uint64 (TYPE_SIZE (TREE_TYPE (op)))))
{
error ("position plus size exceeds size of referenced object in "
"%qs", code_name);
return true;
}
--
Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/
Free Software Activist GNU Toolchain Engineer
More tolerance and less prejudice are key for inclusion and diversity
Excluding neuro-others for not behaving ""normal"" is *not* inclusive
