* config/stormy16/stormy16.c (xstormy16_expand_casesi):

	Don't change INDEX.

In testsuite/:

	* gcc.c-torture/execute/20011109-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46899 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 68 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5c8c34d8af7..1cd38c84668 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-09  Geoffrey Keating  <geoffk@redhat.com>
+
+	* config/stormy16/stormy16.c (xstormy16_expand_casesi): 
+	Don't change INDEX.
+
 Fri Nov  9 17:51:09 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* alias.c (nonoverlapping_memrefs_p): New function.
diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c
index 78831540c7d..653ecaf4262 100644
--- a/gcc/config/stormy16/stormy16.c
+++ b/gcc/config/stormy16/stormy16.c
@@ -1621,7 +1621,7 @@ xstormy16_expand_casesi (index, lower_bound, range, table, default_label)
     sorry ("switch statement of size %lu entries too large", 
 	   (unsigned long) range_i);
 
-  index = expand_binop (SImode, sub_optab, index, lower_bound, index, 0,
+  index = expand_binop (SImode, sub_optab, index, lower_bound, NULL_RTX, 0,
 			OPTAB_LIB_WIDEN);
   emit_cmp_and_jump_insns (index, range, GTU, NULL_RTX, SImode, 1,
 			   0, default_label);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6d9c0f07480..1b598d70592 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-09  Geoffrey Keating  <geoffk@redhat.com>
+
+	* gcc.c-torture/execute/20011109-1.c: New test.
+
 2001-11-09  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.c-torture/compile/20011109-1.c: New test.
diff --git a/gcc/testsuite/gcc.c-torture/execute/20011109-1.c b/gcc/testsuite/gcc.c-torture/execute/20011109-1.c
new file mode 100644
index 00000000000..0f013d3b565
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20011109-1.c
@@ -0,0 +1,58 @@
+void fail1(void)
+{
+  abort ();
+}
+void fail2(void)
+{
+  abort ();
+}
+void fail3(void)
+{
+  abort ();
+}
+void fail4(void)
+{
+  abort ();
+}
+
+
+void foo(long x)
+{
+  switch (x)
+    {
+    case -6: 
+      fail1 (); break;
+    case 0: 
+      fail2 (); break;
+    case 1: case 2: 
+      break;
+    case 3: case 4: case 5: 
+      fail3 ();
+      break;
+    default:
+      fail4 ();
+      break;
+    }
+  switch (x)
+    {
+      
+    case -3: 
+      fail1 (); break;
+    case 0: case 4: 
+      fail2 (); break;
+    case 1: case 3: 
+      break;
+    case 2: case 8: 
+      abort ();
+      break;
+    default:
+      fail4 ();
+      break;
+    }
+}
+
+int main(void)
+{
+  foo (1);
+  exit (0);
+}