Re: Turn HARD_REGNO_CALL_PART_CLOBBERED into a target hook

2017-09-03 Thread Jeff Law
On 08/28/2017 02:39 AM, Richard Sandiford wrote: > The SVE patches change the size of a machine_mode from a compile-time > constant to a runtime invariant. However, target-specific code can > continue to treat the modes as constant-sized if the target only has > constant-sized modes. > > The main

Turn HARD_REGNO_CALL_PART_CLOBBERED into a target hook

2017-08-28 Thread Richard Sandiford
The SVE patches change the size of a machine_mode from a compile-time constant to a runtime invariant. However, target-specific code can continue to treat the modes as constant-sized if the target only has constant-sized modes. The main snag with this approach is that target-independent code stil