diff options
| author | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-08 15:22:25 +0000 |
|---|---|---|
| committer | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-03-08 15:22:25 +0000 |
| commit | 50f46d50f3ff1254e0e3abf59b3277e881a2f6bd (patch) | |
| tree | c97d69e6375a2325a5e373b86c53bb8d5ebf4ee5 | |
| parent | f7f07c955cb07ec8c84640117467542fc07a2591 (diff) | |
| download | gcc-50f46d50f3ff1254e0e3abf59b3277e881a2f6bd.tar.gz | |
* jump.c (invert_jump_1): Don't call redirect_jump_1 with
nlabel == JUMP_LABEL (jump).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96105 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 40d702cde82..9d30cd32467 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, 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 |