* device/lib/logf.c: "fixed" overlay bug

[fw/sdcc] / device / lib / logf.c

diff --git a/device/lib/logf.c b/device/lib/logf.c
index 2d3599ce4d11374730f666b9e1ac52c55f4e8e3c..c89778c774a6b457ce1ed8f6ff7f4fb22e7871c5 100644 (file)
--- a/device/lib/logf.c
+++ b/device/lib/logf.c
@@ -36,7 +36,12 @@
 
 float logf(const float x) reentrant
 {
-    float Rz, f, z, w, znum, zden, xn;
+#if     defined(SDCC_mcs51) && defined(SDCC_MODEL_SMALL) \
+    && !defined(SDCC_NOOVERLAY)
+    volatile
+#endif
+    float Rz;
+    float f, z, w, znum, zden, xn;
     int n;
 
     if (x<=0.0)