[Bug c/126237] Local register variables have strange, poorly documented behaviour

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126237

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rdapp at gcc dot gnu.org
           Keywords|                            |inline-asm

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
The documentation mentions an implementation side-effect, indeed the better
solution is using a "D" constraint, or with newer (16+) GCC using Hard Register
constraints.