diff options
Diffstat (limited to 'contrib/gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | contrib/gcc/config/rs6000/rs6000.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/contrib/gcc/config/rs6000/rs6000.c b/contrib/gcc/config/rs6000/rs6000.c index 287902f..a4d2020 100644 --- a/contrib/gcc/config/rs6000/rs6000.c +++ b/contrib/gcc/config/rs6000/rs6000.c @@ -11738,10 +11738,18 @@ rs6000_emit_vector_compare (enum rtx_code rcode, try_again = true; break; case NE: - /* Treat A != B as ~(A==B). */ + case UNLE: + case UNLT: + case UNGE: + case UNGT: + /* Invert condition and try again. + e.g., A != B becomes ~(A==B). */ { + enum rtx_code rev_code; enum insn_code nor_code; - rtx eq_rtx = rs6000_emit_vector_compare (EQ, op0, op1, + + rev_code = reverse_condition_maybe_unordered (rcode); + rtx eq_rtx = rs6000_emit_vector_compare (rev_code, op0, op1, dest_mode); nor_code = one_cmpl_optab->handlers[(int)dest_mode].insn_code; |
