Fixed another problem with OptJumpTarget1, that was mostly prevented from

being triggered by other optimizations, which removed or changed the trigger
code.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4170 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/cc65/coptind.c b/src/cc65/coptind.c
index 32537b92a0501291811b915145c78a4bd4c75b5a..edbb32e76c13327c60bdf2c9129dbb3340db1707 100644 (file)
--- a/src/cc65/coptind.c
+++ b/src/cc65/coptind.c
@@ -580,6 +580,13 @@ unsigned OptJumpTarget1 (CodeSeg* S)
                goto NextEntry;
            }
 
+            /* The entry preceeding the branch target may not be the branch
+             * insn.
+             */
+            if (T1 == E2) {
+                goto NextEntry;
+            }
+
            /* Get the entry preceeding the jump */
            E1 = CS_GetEntry (S, I);
 
@@ -594,6 +601,7 @@ unsigned OptJumpTarget1 (CodeSeg* S)
             * not already have one.
             */
            TL1 = CS_GenLabel (S, T1);
+            printf ("Generated label %s\n", TL1->Name);
 
            /* Change the jump target to point to this new label */
            CS_MoveLabelRef (S, E2, TL1);