added :-)

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@2869 4a8a32a2-be11-0410-ad9d-d568d2c75423

diff --git a/support/regression/tests/libmullong.c b/support/regression/tests/libmullong.c
new file mode 100644 (file)
index 0000000..9746671
--- /dev/null
+++ b/support/regression/tests/libmullong.c
@@ -0,0 +1,57 @@
+/* Test _mullong.c from library
+
+    type: asm, c
+ */
+#include <testfwk.h>
+
+#if defined(PORT_HOST)
+#  define _mullong(a,b) (a*b)
+#else
+#  define type_{type}
+#  if defined(type_c)
+#    define _SDCC_NO_ASM_LIB_FUNCS 1
+#  endif
+#  include "../../../../../device/lib/_mullong.c"
+#endif
+
+void
+testlibmullong(void)
+{
+  ASSERT(_mullong (         0,          0) ==          0);
+  ASSERT(_mullong (     0x100,      0x100) ==    0x10000);
+  ASSERT(_mullong (0x01020304,          3) == 0x0306090c);
+  ASSERT(_mullong (         3, 0x01020304) == 0x0306090c);
+  ASSERT(_mullong (0x000000ff,          2) == 0x000001fe);
+  ASSERT(_mullong (         2, 0x000000ff) == 0x000001fe);
+  ASSERT(_mullong (0x00007fff,          4) == 0x0001fffc);
+  ASSERT(_mullong (         4, 0x00007fff) == 0x0001fffc);
+  ASSERT(_mullong (0x003fffff,          8) == 0x01fffff8);
+  ASSERT(_mullong (         8, 0x003fffff) == 0x01fffff8);
+
+  ASSERT(_mullong (      0x33,       0x34) == 0x00000a5c);
+  ASSERT(_mullong (      0x34,       0x33) == 0x00000a5c);
+  ASSERT(_mullong (    0x3334,     0x3536) == 0x0aa490f8);
+  ASSERT(_mullong (    0x3536,     0x3334) == 0x0aa490f8);
+  ASSERT(_mullong (  0x333435,   0x363738) == 0x0e98ce98);
+  ASSERT(_mullong (  0x363738,   0x333435) == 0x0e98ce98);
+  ASSERT(_mullong (0x33343536, 0x3738393a) == 0x777d143c);
+  ASSERT(_mullong (0x3738393a, 0x33343536) == 0x777d143c);
+
+  ASSERT(_mullong (      0xff,       0xfe) == 0x0000fd02);
+  ASSERT(_mullong (      0xfe,       0xff) == 0x0000fd02);
+  ASSERT(_mullong (    0xfffe,     0xfdfc) == 0xfdfa0408);
+  ASSERT(_mullong (    0xfdfc,     0xfffe) == 0xfdfa0408);
+  ASSERT(_mullong (  0xfffefd,   0xfcfbfa) == 0xfa0d1212);
+  ASSERT(_mullong (  0xfcfbfa,   0xfffefd) == 0xfa0d1212);
+  ASSERT(_mullong (0xfffefdfc, 0xfbfaf9f8) == 0x20282820);
+  ASSERT(_mullong (0xfbfaf9f8, 0xfffefdfc) == 0x20282820);
+
+  ASSERT(_mullong (0xff000000, 0xff000000) ==          0);
+  ASSERT(_mullong (0xffff0000, 0xffff0000) ==          0);
+  ASSERT(_mullong (0xfffffe00, 0xfffffd00) == 0x00060000);
+  ASSERT(_mullong (0xfffffd00, 0xfffffe00) == 0x00060000);
+  ASSERT(_mullong (0xfffffefd, 0xfffffcfb) == 0x00030e0f);
+  ASSERT(_mullong (0xfffffcfb, 0xfffffefd) == 0x00030e0f);
+
+  ASSERT(_mullong (0xffffffff, 0xffffffff) ==          1);
+}