From: uz <uz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Mon, 14 Sep 2009 19:54:50 +0000 (+0000)
Subject: Fixed another problem with OptJumpTarget1, that was mostly prevented from
X-Git-Tag: V2.13.0rc1~86
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=d451248437560e88eb893f9e1c4fbab61b125350;p=cc65

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 32537b92a..edbb32e76 100644
--- 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);