diff options
Diffstat (limited to 'gcc/jump.c')
| -rw-r--r-- | gcc/jump.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/jump.c b/gcc/jump.c index 8915410dcd6..a120300fc09 100644 --- a/gcc/jump.c +++ b/gcc/jump.c @@ -1716,7 +1716,9 @@ invert_jump_1 (rtx jump, rtx nlabel) if (num_validated_changes () == ochanges) return 0; - return redirect_jump_1 (jump, nlabel); + /* redirect_jump_1 will fail of nlabel == olabel, and the current use is + in Pmode, so checking this is not merely an optimization. */ + return nlabel == JUMP_LABEL (jump) || redirect_jump_1 (jump, nlabel); } /* Invert the condition of the jump JUMP, and make it jump to label |