https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117312
--- Comment #13 from H. Peter Anvin <hpa at zytor dot com> --- Yes, you have to be able to "reserve" (clobber) the entire redzone (128 bytes).
hpa at zytor dot com via Gcc-bugs Tue, 29 Oct 2024 15:57:56 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117312
--- Comment #13 from H. Peter Anvin <hpa at zytor dot com> --- Yes, you have to be able to "reserve" (clobber) the entire redzone (128 bytes).