nvptx: Support '--with-multilib-list' (was: Raise nvptx code generation to default PTX ISA 7.3, sm_52, therefore CUDA 11.3 (released 2021-04))

Hi! On 2024-09-24T18:09:48+0200, I wrote: > [...] build sm_30 multilib variants (either > (3a) by default or (3b) upon 'configure'-time request via an additional > option: '--with-multilib-list=default,sm_30' or similar), and the user > builds with '-foffload-options=nvptx-none=-march=sm_30': [...

gcc-13-20241206 is now available

Snapshot gcc-13-20241206 is now available on https://gcc.gnu.org/pub/gcc/snapshots/13-20241206/ and on various mirrors, see https://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 13 git branch with the following options: git://gcc.gnu.org/git/gcc.git branch