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| author | J"orn Rennecke <joern.rennecke@st.com> | 2005-03-08 15:22:25 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2005-03-08 15:22:25 +0000 |
| commit | 77fb4cc1a1cfcf13f529a696eb370ef44a898201 (patch) | |
| tree | c97d69e6375a2325a5e373b86c53bb8d5ebf4ee5 | |
| parent | 6c6cfbfd5260f774b0517aa3d6d0cc97ea5f81e6 (diff) | |
| download | gcc-77fb4cc1a1cfcf13f529a696eb370ef44a898201.zip gcc-77fb4cc1a1cfcf13f529a696eb370ef44a898201.tar.gz gcc-77fb4cc1a1cfcf13f529a696eb370ef44a898201.tar.bz2 | |
jump.c (invert_jump_1): Don't call redirect_jump_1 with nlabel == JUMP_LABEL (jump).
* jump.c (invert_jump_1): Don't call redirect_jump_1 with
nlabel == JUMP_LABEL (jump).
From-SVN: r96105
| -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 |