On 18/09/17 17:39, Richard Sandiford wrote:
> ALL_REGS doesn't function as a union class of POINTER_REGS and FP_REGS
> since it includes the CC register as well. REGNO_REG_CLASS (CC_REGNUM)
> is NO_REGS, but of course NO_REGS rightly doesn't include CC_REGNUM.
>
> Adding a union class for POINTER
ALL_REGS doesn't function as a union class of POINTER_REGS and FP_REGS
since it includes the CC register as well. REGNO_REG_CLASS (CC_REGNUM)
is NO_REGS, but of course NO_REGS rightly doesn't include CC_REGNUM.
Adding a union class for POINTER+FP allows the RA to use it as the
preferred or altern