From 77fb4cc1a1cfcf13f529a696eb370ef44a898201 Mon Sep 17 00:00:00 2001 From: "J\"orn Rennecke" Date: Tue, 8 Mar 2005 15:22:25 +0000 Subject: [PATCH] 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 --- gcc/ChangeLog | 5 +++++ gcc/jump.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) 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 + + * jump.c (invert_jump_1): Don't call redirect_jump_1 with + nlabel == JUMP_LABEL (jump). + 2005-03-08 Kazu Hirata * 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 -- 2.30.2