sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 34 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2376.c b/support/regression/tests/bug-2376.c
new file mode 100644
index 0000000..da6160c
--- /dev/null
+++ b/support/regression/tests/bug-2376.c
@@ -0,0 +1,34 @@
+/*
+   bug-2195.c
+
+   A peephole optimizer bug in calls to __z88dk_fastcall.
+*/
+
+#if !defined(__SDCC_z80) && !defined(__SDCC_z180) && !defined(__SDCC_r2k) && !defined(__SDCC_r3ka) && !defined(__SDCC_tlcs90)
+#define __z88dk_fastcall
+#endif
+
+#include <string.h>
+#include <testfwk.h>
+
+char v[5];
+
+void kputchar(unsigned char c) __z88dk_fastcall
+{
+  static int i;
+  v[i++] = c;
+}
+
+void kputs(const char *p) __z88dk_fastcall
+{
+  while(*p)
+    kputchar(*p++); /* The bug resulted in the peephole optimizer optimizing out the parameter to this call */
+}
+
+void testBug(void)
+{
+  const char *s = "test";
+  kputs(s);
+  ASSERT(!strcmp(s, v));
+}
+