https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85185
--- Comment #12 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #11) > as mentioned in another bug, this is more of a documentation issue and the > internal details on how inline-asm works. Yup. I suggest we advice to always use a register-size variable for an "r" operand: so not smaller, and not any random expression, but a simple variable. Are there situations where this is a limitation?
