[Bug target/67265] [x86] 'asm' operand has impossible constraints with -fstack-check

[danielmicay at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67265

Daniel Micay <danielmicay at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |danielmicay at gmail dot com

--- Comment #3 from Daniel Micay <danielmicay at gmail dot com> ---
It only temporarily needs a register to perform a write. The implementation
might currently have to reserve it but it *shouldn't* have to. It should be
free other than guaranteeing a one byte write per page.