* gcc.dg/990130-1.c: New test.

From-SVN: r24917

gcc/testsuite/ChangeLog

+Sat Jan 30 11:10:06 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* gcc.dg/990130-1.c: New test.
+
 Sun Jan 17 00:02:33 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* gcc.dg/990117-1.c: New test.

gcc/testsuite/gcc.dg/990130-1.c

+/* { dg-do compile { target i?86-*-* } } */
+/* { dg-options -O0 } */
+
+typedef 	 int SItype	__attribute__ ((mode (SI)));
+typedef		 int DItype	__attribute__ ((mode (DI)));
+typedef unsigned int USItype	__attribute__ ((mode (SI)));
+  struct DIstruct {SItype low, high;};
+typedef union
+{
+  struct DIstruct s;
+  DItype ll;
+} DIunion;
+DItype
+__muldi3 (DItype u, DItype v)
+{
+  DIunion w;
+  DIunion uu, vv;
+  uu.ll = u,
+  vv.ll = v;
+  w.ll = ({DIunion __w;	__asm__ ("mull %3"	: "=a" ((USItype) (  __w.s.low )),	"=d" ((USItype) ( __w.s.high ))	: "%0" ((USItype) (   uu.s.low  )),	"rm" ((USItype) (    vv.s.low  ))) ;	__w.ll; }) ;
+  w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high
+	       + (USItype) uu.s.high * (USItype) vv.s.low);
+  return w.ll;
+}