Re: [PATCH 0/3] S/390: Shift count improvements.

2019-07-08 Thread Andreas Krebbel
On 06.07.19 22:53, Robin Dapp wrote: > Hi, > > these patches introduce a new predicate that recognizes > shift-count operands instead of the subst patterns we > used before. This allows introducing (no-op) subregs in > the patterns which was not possible via subst before > (see https://gcc.gnu.or

[PATCH 0/3] S/390: Shift count improvements.

2019-07-07 Thread Robin Dapp
Hi, these patches introduce a new predicate that recognizes shift-count operands instead of the subst patterns we used before. This allows introducing (no-op) subregs in the patterns which was not possible via subst before (see https://gcc.gnu.org/ml/gcc-patches/2019-05/msg00853.html). The second