sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 16 insertions, 0 deletions

diff --git a/support/regression/tests/bug-607243.c b/support/regression/tests/bug-607243.c
new file mode 100644
index 0000000..4209454
--- /dev/null
+++ b/support/regression/tests/bug-607243.c
@@ -0,0 +1,16 @@
+/* bad shift right 12 */
+
+#include <testfwk.h>
+
+typedef unsigned int u16_t;
+
+struct myhdr { u16_t x; } h, *p;
+
+#define NTOHS(n) (((((u16_t)(n) & 0xff)) << 8) | (((u16_t)(n) & 0xff00) >> 8))
+#define IPH_V(hdr) ((u16_t)NTOHS((hdr)->x) >> 12)
+
+void testBug(void) {
+  p = &h;
+  p->x = 0x45;
+  ASSERT(IPH_V(p)==4);
+}