On 9/11/19 1:16 PM, Richard Sandiford wrote:
> This patch makes regrename use a similar mask-and-clobber-set
> pair to IRA when tracking whether registers are clobbered by
> calls in a region. Testing for a nonzero ABI mask is equivalent
> to testing for a register that crosses a call.
>
> Since
This patch makes regrename use a similar mask-and-clobber-set
pair to IRA when tracking whether registers are clobbered by
calls in a region. Testing for a nonzero ABI mask is equivalent
to testing for a register that crosses a call.
Since AArch64 and c6x use regrename.h, they need to be updated