sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 91 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2452.c b/support/regression/tests/bug-2452.c
new file mode 100644
index 0000000..4d86793
--- /dev/null
+++ b/support/regression/tests/bug-2452.c
@@ -0,0 +1,91 @@
+/*
+   bug-2452.c
+*/
+
+#include <stdbool.h>
+#include <testfwk.h>
+
+typedef struct
+{
+  unsigned char  byte[5];
+} value_t;
+
+static void
+output_digit (unsigned char n)
+{
+  ASSERT(n == 9);
+}
+
+static void
+calculate_digit (value_t *value)
+{
+  value->byte[4] = 9;
+}
+
+int
+xprint_format (const char *format)
+{
+  value_t value;
+  bool lsd;
+  int i;
+
+  unsigned char length;
+
+  while( *format++ )
+  {
+    unsigned char store[6];
+    unsigned char *pstore = &store[5];
+
+    format++;
+
+
+    lsd = 1;
+    i = 1;
+    do {
+      value.byte[4] = 0;
+
+      calculate_digit(&value);
+
+      if (!lsd)
+      {
+        *pstore = (value.byte[4] << 4) | (value.byte[4] >> 4) | *pstore;
+        pstore--;
+      }
+      else
+      {
+        *pstore = value.byte[4];
+      }
+
+      lsd = !lsd;
+    } while( i-- );
+
+    length = 2;
+
+    ASSERT(lsd);
+
+    while( length-- )
+    {
+      lsd = !lsd;
+      if (!lsd)
+      {
+        pstore++;
+        value.byte[4] = *pstore >> 4;
+      }
+      else
+      {
+        value.byte[4] = *pstore & 0x0F;
+      }
+
+      output_digit( value.byte[4]);
+    }
+  }
+
+  return 0;
+}
+
+void
+test_xprintf (void)
+{
+  xprint_format ("%d");
+}
+