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(parent: 91fb8bd) | patch
cprop_hardreg: Enable propagation of the stack pointer if possible
authorManolis Tsamis <manolis.tsamis@vrull.eu>
Thu, 25 May 2023 11:44:41 +0000 (13:44 +0200)
committerPhilipp Tomsich <philipp.tomsich@vrull.eu>
Thu, 15 Jun 2023 20:13:36 +0000 (22:13 +0200)
commit6a2e8dcbbd4bab374b27abea375bf7a921047800
tree024c7a8913db5f45f6206c16e6f32e5924f7ce81tree | snapshot
parent91fb8bdb3944b78bca4f739583ff490c83a92fe7commit | diff
cprop_hardreg: Enable propagation of the stack pointer if possible

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.
gcc/regcprop.cc diff | blob | blame | history
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