re PR target/5357 (SPARC: illegal (?) combination of -mcpu=supersparc and -m64 causes ICE)

	PR target/5357:
	* config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
	MASK_V8 being both set.

	* gcc.dg/20020116-2.c: New test.

From-SVN: r48909

gcc/ChangeLog

+2002-01-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/5357:
+	* config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
+	MASK_V8 being both set.
+
 2002-01-16  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* config/s390/s390.c (s390_emit_prologue): Do not emit USE

gcc/config/sparc/sparc.c

@@ -401,7 +401,10 @@ sparc_override_options ()
      are available.
      -m64 also implies v9.  */
   if (TARGET_VIS || TARGET_ARCH64)
-    target_flags |= MASK_V9;
+    {
+      target_flags |= MASK_V9;
+      target_flags &= ~(MASK_V8 | MASK_SPARCLET | MASK_SPARCLITE);
+    }
 
   /* Use the deprecated v8 insns for sparc64 in 32 bit mode.  */
   if (TARGET_V9 && TARGET_ARCH32)

gcc/testsuite/ChangeLog

+2002-01-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.dg/20020116-2.c: New test.
+
 2002-01-15  Geoffrey Keating  <geoffk@redhat.com>
 
 	* gcc.dg/20020103-1.c: Also test for __PPC__, since that's used

gcc/testsuite/gcc.dg/20020116-2.c

+/* This testcase ICEd on sparc64 because -mcpu=supersparc and implicit
+   -m64 resulted in MASK_V8 and MASK_V9 to be set at the same time.  */
+/* { dg-do compile } */
+/* { dg-options "" } */
+/* { dg-options "-mcpu=supersparc" { target sparc*-*-* } } */
+
+void bar (long *x, long *y);
+
+void foo (int x, long *y, long *z)
+{
+  int i;
+
+  for (i = x - 1; i >= 0; i--)
+    {
+      bar (z + i * 3 + 1, y);
+      bar (z + i * 3 + 2, y);
+    }
+}