1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr55342.c b/gcc/testsuite/gcc.target/i386/pr55342.c
new file mode 100644
index 0000000000..0d9e6c6238
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr55342.c
@@ -0,0 +1,28 @@
+/* PR rtl-optimization/55342 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-not "notb" } } */
+
+
+void convert_image(unsigned char *in, unsigned char *out, int size) {
+    int i;
+    unsigned char * read = in,
+     * write = out;
+    for(i = 0; i < size; i++) {
+        unsigned char r = *read++;
+        unsigned char g = *read++;
+        unsigned char b = *read++;
+        unsigned char c, m, y, k, tmp;
+        c = 255 - r;
+        m = 255 - g;
+        y = 255 - b;
+	if (c < m)
+	  k = ((c) > (y)?(y):(c));
+	else
+          k = ((m) > (y)?(y):(m));
+        *write++ = c - k;
+        *write++ = m - k;
+        *write++ = y - k;
+        *write++ = k;
+    }
+}