diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc index 4030864aa1a..040487bd277 100644 --- a/gcc/config/rs6000/rs6000.cc +++ b/gcc/config/rs6000/rs6000.cc @@ -4151,7 +4151,10 @@ rs6000_option_override_internal (bool global_init_p) if (!(rs6000_isa_flags_explicit & OPTION_MASK_BLOCK_OPS_VECTOR_PAIR)) { - if (TARGET_MMA && TARGET_EFFICIENT_UNALIGNED_VSX) + /* Do not generate lxvp and stxvp on power10 since there are some + performance issues. */ + if (TARGET_MMA && TARGET_EFFICIENT_UNALIGNED_VSX + && rs6000_tune != PROCESSOR_POWER10) rs6000_isa_flags |= OPTION_MASK_BLOCK_OPS_VECTOR_PAIR; else rs6000_isa_flags &= ~OPTION_MASK_BLOCK_OPS_VECTOR_PAIR; |