Hi,
> + Establish an ANTI dependency between r11 and r15 restores from FPRs
> + to prevent the instructions scheduler from reordering them since
> + this would break CFI. No further handling in the sched_reorder
> + hook is required since the r11 and r15 restore will never appear in
> +
This patch fixes a cases where inconsistent CFI is generated.
After restoring the hard frame pointer (r11) from an FPR we have to
set the CFA register. In order to be able to set it back to the stack
pointer (r15) we have to make sure that r15 has been restored already.
The patch also adds a sch
This patch fixes a cases where inconsistent CFI is generated.
After restoring the hard frame pointer (r11) from an FPR we have to
set the CFA register. In order to be able to set it back to the stack
pointer (r15) we have to make sure that r15 has been restored already.
gcc/ChangeLog:
2019-04-0
