| Message ID | ac25da70-159c-db89-05f1-864822f4484d@linux.vnet.ibm.com |
|---|---|
| State | New |
| Headers | show |
| Series | [rs6000] Correct unaligned_load vector cost for Power9 | expand |
On Mon, Oct 09, 2017 at 03:46:17PM -0500, Pat Haugen wrote: > Power9 has efficient unaligned load insns. The following patch fixes the > cost to reflect that. There was no similar code for the unaligned_store > case. Bootstrap/regtest on powerpc64le-linux with no new regressions. > Ok for trunk? Sorry this fell through the cracks. Yes, okay. Thanks! Segher > 2017-10-09 Pat Haugen <pthaugen@us.ibm.com> > > * config/rs6000/power9.c (rs6000_builtin_vectorization_cost): Remove > TARGET_P9_VECTOR code for unaligned_load case. > > > Index: gcc/config/rs6000/rs6000.c > =================================================================== > --- gcc/config/rs6000/rs6000.c (revision 253547) > +++ gcc/config/rs6000/rs6000.c (working copy) > @@ -5438,9 +5438,6 @@ rs6000_builtin_vectorization_cost (enum > return 3; > > case unaligned_load: > - if (TARGET_P9_VECTOR) > - return 3; > - > if (TARGET_EFFICIENT_UNALIGNED_VSX) > return 1;
Index: gcc/config/rs6000/rs6000.c =================================================================== --- gcc/config/rs6000/rs6000.c (revision 253547) +++ gcc/config/rs6000/rs6000.c (working copy) @@ -5438,9 +5438,6 @@ rs6000_builtin_vectorization_cost (enum return 3; case unaligned_load: - if (TARGET_P9_VECTOR) - return 3; - if (TARGET_EFFICIENT_UNALIGNED_VSX) return 1;