diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/jump.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 40d702c..9d30cd3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-03-08 J"orn Rennecke <joern.rennecke@st.com> + + * jump.c (invert_jump_1): Don't call redirect_jump_1 with + nlabel == JUMP_LABEL (jump). + 2005-03-08 Kazu Hirata <kazu@cs.umass.edu> * c-common.c, c-opts.c, combine.c, cse.c, dojump.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 |