PR target/37909

	* config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
	no address.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141452 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b3448e3..725df9d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-10-29  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/37909
+       * config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
+       no address.
+
 2008-10-29  David Edelsohn  <edelsohn@gnu.org>
 
        PR target/37878

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 14892ce..3c57730 100644 (file)
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -3826,6 +3826,10 @@ untangle_mova (int *num_mova, rtx *first_mova, rtx new_mova)
 
   if (optimize)
     {
+      /* If NEW_MOVA has no address yet, it will be handled later.  */
+      if (INSN_ADDRESSES_SIZE() <= (unsigned) INSN_UID (new_mova))
+       return -1;
+
       n_addr = INSN_ADDRESSES (INSN_UID (new_mova));
       n_target = INSN_ADDRESSES (INSN_UID (XEXP (MOVA_LABELREF (new_mova), 0)));
       if (n_addr > n_target || n_addr + 1022 < n_target)