On 9/11/19 1:16 PM, Richard Sandiford wrote:
> The inheritance code in find_equiv_reg can use clobbers_reg_p
> to test whether a call clobbers either of the equivalent registers.
>
> reload and find_reg use crtl->abi to test whether a register needs
> to be saved in the prologue before use.
>
> r
The inheritance code in find_equiv_reg can use clobbers_reg_p
to test whether a call clobbers either of the equivalent registers.
reload and find_reg use crtl->abi to test whether a register needs
to be saved in the prologue before use.
reload_as_needed can use full_and_partial_reg_clobbers and t
