fixed (!(!(expr))) bug

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@250 4a8a32a2-be11-0410-ad9d-d568d2c75423

diff --git a/src/SDCCast.c b/src/SDCCast.c
index dc3a36e8790b2e1c4136c3bdc913041c9aac5314..89cdcdabf403b80e7e425e6e9bd63c50d135732f 100644 (file)
--- a/src/SDCCast.c
+++ b/src/SDCCast.c
@@ -2793,14 +2793,20 @@ ast *backPatchLabels (ast *tree, symbol *trueLabel, symbol *falseLabel )
     
     /* change not */
     if (IS_NOT(tree)) {
+       int wasnot = IS_NOT(tree->left);
        tree->left = backPatchLabels (tree->left,falseLabel,trueLabel);
        
        /* if the left is already a IFX */
        if ( ! IS_IFX(tree->left) ) 
            tree->left = newNode (IFX,tree->left,NULL);
        
-       tree->left->trueLabel = falseLabel ;
-       tree->left->falseLabel= trueLabel ;
+       if (wasnot) {
+           tree->left->trueLabel = trueLabel ;
+           tree->left->falseLabel= falseLabel ;
+       } else {
+           tree->left->trueLabel = falseLabel ;
+           tree->left->falseLabel= trueLabel ;
+       }
        return tree->left ;
     }