sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 35 insertions, 0 deletions

diff --git a/support/regression/tests/using.c b/support/regression/tests/using.c
new file mode 100644
index 0000000..30af98f
--- /dev/null
+++ b/support/regression/tests/using.c
@@ -0,0 +1,35 @@
+/** Test register bank allocation for the "using" keyword.
+  using: no_proto, impl, both
+*/
+#include <testfwk.h>
+
+#define _{using}
+
+#if defined (__SDCC_mcs51) && defined (__SDCC_MODEL_SMALL)
+
+  #ifndef _no_proto
+    #if defined (_both)
+      void my_isr (void) __interrupt (1) __using (1);
+    #else
+      void my_isr (void) __interrupt (1);
+    #endif
+  #endif
+
+  __data char array[8];
+
+  void
+  my_isr (void) __interrupt (1) __using (1)
+  {
+    array[array[0]] = 1; //generate some register pressure
+  }
+
+#endif
+
+void
+testUsing (void)
+{
+#if defined (__SDCC_mcs51) && defined (__SDCC_MODEL_SMALL)
+  ASSERT ((unsigned char)(&array[0]) >= 0x10);
+  ASSERT ((unsigned char)&__numTests >= 0x10);
+#endif
+}