On 8/12/22 12:00, Robin Dapp wrote: > Hi, > > inspired by Power we also introduce -munroll-only-small-loops. This > implies activating -funroll-loops and -munroll-only-small-loops at -O2 > and above. > > Bootstrapped and regtested. > > This introduces one regression in gcc.dg/sms-compare-debug-1.c but > currently dumps for sms are broken as well. The difference is in the > location of some INSN_DELETED notes so I would consider this a minor issue. > > Is it OK? > > Regards > Robin > > gcc/ChangeLog: > > * common/config/s390/s390-common.cc: Enable -funroll-loops and > -munroll-only-small-loops for OPT_LEVELS_2_PLUS_SPEED_ONLY. > * config/s390/s390.cc (s390_loop_unroll_adjust): Do not unroll > loops larger than 12 instructions. > (s390_override_options_after_change): Set unroll options. > (s390_option_override_internal): Likewise. > * config/s390/s390.opt: Document munroll-only-small-loops. > > gcc/testsuite/ChangeLog: > > * gcc.target/s390/vector/vec-copysign.c: Do not unroll. > * gcc.target/s390/zvector/autovec-double-quiet-uneq.c: Dito. > * gcc.target/s390/zvector/autovec-double-signaling-ltgt.c: Dito. > * gcc.target/s390/zvector/autovec-float-quiet-uneq.c: Dito. > * gcc.target/s390/zvector/autovec-float-signaling-ltgt.c: Dito.
Ok. Thanks! Andreas
