Displaying 1 result from an estimated 1 matches for "doscavengeframevirtualregs".
2017 May 01
4
Marking a register as reserved midway through register allocation
Hey all,
I'm attempting to rewrite something that the AVR backend used to support
(through an extremely dirty hack that was reverted before the upstreaming
of the target).
The removal of the hack can be seen on GitHub
https://github.com/avr-llvm/llvm/pull/226/files
On the AVR architecture, the stack pointer is not in a standard register,
but rather it is a special register which can only