sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 30 insertions, 0 deletions

diff --git a/support/regression/tests/getbyte.c b/support/regression/tests/getbyte.c
new file mode 100644
index 0000000..142db59
--- /dev/null
+++ b/support/regression/tests/getbyte.c
@@ -0,0 +1,30 @@
+/* getbyte/getword
+    sign: unsigned, signed
+*/
+
+#include <testfwk.h>
+#include <stdint.h>
+
+{sign} long global = ({sign} long)0x12345678;
+
+void testGet(void)
+{
+    ASSERT (((global >>  0) & 0xFF) == 0x78);               // getByte 0
+    ASSERT (((global >>  8) & 0xFF) == 0x56);               // getByte 1
+    ASSERT (((global >> 16) & 0xFF) == 0x34);               // getByte 2
+    ASSERT (((global >> 24) & 0xFF) == 0x12);               // getByte 3
+#if !defined(__SDCC_pdk14) // Lack of memory - see RFE #617.
+    ASSERT (((global >>  0) & 0xFFFF) == 0x5678);           // getWord 0
+    ASSERT (((global >>  8) & 0xFFFF) == 0x3456);           // getWord 1
+    ASSERT (((global >> 16) & 0xFFFF) == 0x1234);           // getWord 2
+
+    ASSERT ((uint8_t)(global >>  0) == (uint8_t)0x78);      // getByte 0
+    ASSERT ((uint8_t)(global >>  8) == (uint8_t)0x56);      // getByte 1
+    ASSERT ((uint8_t)(global >> 16) == (uint8_t)0x34);      // getByte 2
+    ASSERT ((uint8_t)(global >> 24) == (uint8_t)0x12);      // getByte 3
+
+    ASSERT ((uint16_t)(global >>  0) == (uint16_t)0x5678);  // getWord 0
+    ASSERT ((uint16_t)(global >>  8) == (uint16_t)0x3456);  // getWord 1
+    ASSERT ((uint16_t)(global >> 16) == (uint16_t)0x1234);  // getWord 2
+#endif
+}