(output_call): Avoid use of jsr.n r1, this loses on

        the 88110.

From-SVN: r5285

diff --git a/gcc/config/m88k/m88k.c b/gcc/config/m88k/m88k.c
index d5fe033..8a7420d 100644 (file)
--- a/gcc/config/m88k/m88k.c
+++ b/gcc/config/m88k/m88k.c
@@ -868,14 +868,20 @@ output_call (operands, addr)
             If we loose, we must use the non-delay form.  This is unlikely
             to ever happen.  If it becomes a problem, claim that a call
             has two delay slots and only the second can be filled with
-            a jump.  */
+            a jump.  
+
+            The 88110 can lose when a jsr.n r1 is issued and a page fault
+            occurs accessing the delay slot.  So don't use jsr.n form when
+            jumping thru r1.
+          */
 #ifdef AS_BUG_IMMEDIATE_LABEL /* The assembler restricts immediate values.  */
          if (optimize < 2
-             || ! ADD_INTVAL (delta * 2))
+             || ! ADD_INTVAL (delta * 2)
 #else
          if (optimize < 2
-             || ! ADD_INTVAL (delta))
+             || ! ADD_INTVAL (delta)
 #endif
+             || (REG_P (addr) && REGNO (addr) == 1))
            {
              operands[1] = dest;
              return (REG_P (addr)