> -----Original Message----- > From: Richard Sandiford <richard.sandif...@arm.com> > Sent: Tuesday, April 22, 2025 2:28 PM > To: Tamar Christina <tamar.christ...@arm.com> > Cc: gcc-patches@gcc.gnu.org; Richard Earnshaw <richard.earns...@arm.com>; > ktkac...@nvidia.com > Subject: Re: [PATCH] Document AArch64 changes for GCC 15 > > Tamar Christina <tamar.christ...@arm.com> writes: > >> -----Original Message----- > >> From: Richard Sandiford <richard.sandif...@arm.com> > >> Sent: Tuesday, April 22, 2025 1:31 PM > >> To: gcc-patches@gcc.gnu.org > >> Cc: Richard Earnshaw <richard.earns...@arm.com>; ktkac...@nvidia.com; > >> Tamar Christina <tamar.christ...@arm.com> > >> Subject: [PATCH] Document AArch64 changes for GCC 15 > >> > >> The list is structured as: > >> > >> - new configurations > >> - command-line changes > >> - ACLE changes > >> - everything else > >> > >> As usual, the list of new architectures, CPUs, and features is from a > >> purely mechanical trawl of the associated .def files. I've identified > >> features by their architectural name to try to improve searchability. > >> Similarly, the list of ACLE changes includes the associated ACLE > >> feature macros, again to try to improve searchability. > >> > >> The list summarises some of the target-specific optimisations because > >> it sounded like Tamar had received feedback that people found such > >> information interesting. > >> > >> I've used the passive tense for most entries, to try to follow the > >> style used elsewhere. > >> > >> We don't yet define __ARM_FEATURE_FAMINMAX, but I'll fix that > >> separately. > >> > >> How does this look? Anything I missed? > > > > Thanks! Looks good! I think we're missing the ILP32 deprecation notice. > > But also crucially that the multilibs aren't build by default anymore. > > I'd left ILP32 out since it's already mentioned in the Caveats section: > > <li>In the AArch64 port, support for ILP32 (<code>-mabi=ilp32</code>) has > been deprecated and will be removed in a future release. > </li> > > But I agree that the removal of the multilibs makes it worth a second > mention here. (And also in case people interested in AArch64 don't > read the general Caveats section.) > > How about: > > <li>As noted above, support for ILP32 (<code>-mabi=ilp32</code>) > has been deprecated and will be removed in a future release. > <code>aarch64*-elf</code> targets no longer build the ILP32 multilibs. > </li> >
Perfect! Thanks for writing it up, Tamar > Thanks, > Richard
