sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 27 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2826.c b/support/regression/tests/bug-2826.c
new file mode 100644
index 0000000..9d243e5
--- /dev/null
+++ b/support/regression/tests/bug-2826.c
@@ -0,0 +1,27 @@
+/*
+   bug-2826.c
+   An optimization inserted instructions in between IPUSH and CALL which resulted in wrong code for mcs51.
+*/
+
+#include <testfwk.h>
+
+#define DS_CMD_RAM 1 << 6
+
+unsigned char cfg_table[4];
+
+unsigned char f(unsigned char j)
+{
+	static unsigned char testval = DS_CMD_RAM >> 1 | 2;
+	ASSERT(j == testval);
+	testval++;
+	return(0);
+}
+
+void testBug(void)
+{
+	unsigned char i, j;
+	j = DS_CMD_RAM >> 1 | 2;
+	for (i = 0; i != 4; i++)
+		cfg_table[i] = f(j++); // The incremented value got passed to f for mcs51.
+}
+