https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98519
--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> --- Yes, "m" can not allow PC-relative, in inline asm (just think of all existing code that uses "m").
segher at gcc dot gnu.org via Gcc-bugs Mon, 04 Jan 2021 19:09:24 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98519
--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> --- Yes, "m" can not allow PC-relative, in inline asm (just think of all existing code that uses "m").