On Mon, 7 Jul 2025, Tamar Christina wrote:
> > -Original Message-
> > From: Richard Biener
> > Sent: Monday, July 7, 2025 12:30 PM
> > To: gcc-patches@gcc.gnu.org
> > Cc: Tamar Christina
> > Subject: [PATCH] tree-optimization/120817 - bogus
> -Original Message-
> From: Richard Biener
> Sent: Monday, July 7, 2025 12:30 PM
> To: gcc-patches@gcc.gnu.org
> Cc: Tamar Christina
> Subject: [PATCH] tree-optimization/120817 - bogus DSE of .MASK_STORE
>
> DSE used ao_ref_init_from_ptr_and_size for .MASK_ST
DSE used ao_ref_init_from_ptr_and_size for .MASK_STORE but
alias-analysis will use the specified size to disambiguate
against smaller objects. For .MASK_STORE we instead have to
make the access size unspecified but we can still constrain
the access extent based on the maximum size possible.
Boots
