* gcc.c-torture/compile/20020120-1.c: New test.

From-SVN: r49279

gcc/testsuite/ChangeLog

+2002-01-28  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.c-torture/compile/20020120-1.c: New test.
+
 2002-01-27  Kazu Hirata  <kazu@hxi.com>
 
 	* gcc.c-torture/execute/20020127-1.c: New test.

gcc/testsuite/gcc.c-torture/compile/20020120-1.c

+/* This ICEed on IA-32 with -O2 -mcpu=i386, because reload was trying
+   to reload into %sil register.  */
+
+struct A
+{
+  void *a;
+  unsigned int b, c, d;
+};
+
+struct B
+{
+  struct A *e;
+};
+
+void bar (struct A *);
+void baz (struct A *);
+
+static inline unsigned int
+inl (unsigned int v, unsigned char w, unsigned char x, unsigned char y,
+     unsigned char z)
+{
+  switch (v)
+    {
+    case 2:
+      return ((w & 0xf8) << 8) | ((x & 0xfc) << 3) | ((y & 0xf8) >> 3);
+    case 4:
+      return (z << 24) | (w << 16) | (x << 8) | y;
+    default:
+      return 0;
+    }
+}
+
+void foo (struct B *x, int y, const float *z)
+{
+  struct A *a = x->e;
+
+  if (y)
+    {
+      if (x->e->a)
+       bar (x->e);
+    }
+  else
+    {
+      unsigned char c[4];
+      unsigned int b;
+
+      c[0] = z[0]; c[1] = z[1]; c[2] = z[2]; c[3] = z[3];
+      b = inl (a->b, c[0], c[1], c[2], c[3] );
+      if (a->a)
+       bar (a);
+      else
+       baz (a);
+      a->c = b;
+   }
+}