Re: [PATCH 2/2] cprop_hardreg: Enable propagation of the stack pointer if possible.

[Jeff Law via Gcc-patches]

On 5/25/23 06:35, Manolis Tsamis wrote:
Propagation of the stack pointer in cprop_hardreg is currenty forbidden
in all cases, due to maybe_mode_change returning NULL. Relax this
restriction and allow propagation when no mode change is requested.

gcc/ChangeLog:

         * regcprop.cc (maybe_mode_change): Enable stack pointer propagation.
Thanks for the clarification.  This is OK for the trunk.  It looks 
generic enough to have value going forward now rather than waiting.

jeff