On 8/22/22 17:10, Robin Dapp wrote: > Hi, > > after discussing off-list, here is v2 of the patch. We now recognize if > the permutation mask only refers to the first or the second operand and > use this later when emitting vpdi. > > Regtested and bootstrapped, no regressions. > > Is it OK? > > Regards > Robin > > From 1f11a6b89c9b0ad64b480229cd4db06eaaaa887a Mon Sep 17 00:00:00 2001 > From: Robin Dapp <rd...@linux.ibm.com> > Date: Fri, 24 Jun 2022 15:17:08 +0200 > Subject: [PATCH v2] s390: Recognize reverse/element swap permute patterns. > > This adds functions to recognize reverse/element swap permute patterns > for vler, vster as well as vpdi and rotate. > > gcc/ChangeLog: > > * config/s390/s390.cc (expand_perm_with_vpdi): Recognize swap pattern. > (is_reverse_perm_mask): New function. > (expand_perm_with_rot): Recognize reverse pattern. > (expand_perm_with_vstbrq): New function. > (expand_perm_with_vster): Use vler/vster for element reversal on z15. > (vectorize_vec_perm_const_1): Use. > (s390_vectorize_vec_perm_const): Add expand functions. > * config/s390/vx-builtins.md: Prefer vster over vler. > > gcc/testsuite/ChangeLog: > > * gcc.target/s390/vector/vperm-rev-z14.c: New test. > * gcc.target/s390/vector/vperm-rev-z15.c: New test. > * gcc.target/s390/zvector/vec-reve-store-byte.c: Adjust test > expectation.
Ok, thanks! Andreas
