https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60480
Andrew Pinski changed:
What|Removed |Added
Known to work||7.1.0
Target Milestone|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60480
--- Comment #1 from Andrew Pinski pinskia at gcc dot gnu.org ---
This is due to x86 being a small register class target.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60480
--- Comment #2 from ganboing at gmail dot com ---
(In reply to Andrew Pinski from comment #1)
This is due to x86 being a small register class target.
The thing is that x86_64 has 16 GPRs, and register r12-r15 are preserved across
function calls
