sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 48 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2628.c b/support/regression/tests/bug-2628.c
new file mode 100644
index 0000000..70de5c1
--- /dev/null
+++ b/support/regression/tests/bug-2628.c
@@ -0,0 +1,48 @@
+/*
+  bug-2628.c, fetchLitPair() overwrites live IY register
+*/
+
+#include <testfwk.h>
+
+struct list {
+  struct list *next;
+  void *p;
+};
+
+void *data;
+static struct list *base;
+
+static void
+add(struct list *e)
+{
+  struct list *l;
+
+  if(e->p != 0) {
+    for(l = base; l != 0; l = l->next) {
+      if(l == e) {
+        e->p = data;
+	return;
+      }
+    }
+  }
+
+  e->p = data;
+}
+
+void
+testBug(void)
+{
+  static int d = 1234;
+  struct list e;
+  volatile void *tmp;
+
+  data = &d;
+  base = 0;
+
+  add (&e);
+
+  tmp = e.p;
+
+  ASSERT(e.p == data);
+}
+