[Bug target/95128] aarch64: configure option for outline-atomics
albert at tugraz dot at via Gcc-bugs <[email protected]>
| Newsgroups | gmane.comp.gcc.bugs |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95128
Christopher Albert <albert at tugraz dot at> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jvdelisle at gcc dot gnu.org
--- Comment #4 from Christopher Albert <albert at tugraz dot at> ---
Open for review, comments welcome:
https://github.com/lazy-fortran/gcc/pull/35
Same approach as attachment 63970: aarch64-netbsd.h passes
-mno-outline-atomics in CC1_SPEC unless the user passes
-moutline-atomics, since NetBSD's libgcc does not build the
out-of-line LSE helpers and links fail with undefined
__aarch64_ldadd4_relax and friends. Verified with an aarch64--netbsd
cross cc1: default code no longer references the helpers and the
explicit -moutline-atomics override still works. x86_64 check-fortran
is unaffected.