re PR target/37909 (internal compiler error: in fixup_mova, at config/sh/sh.c:3756)

	PR target/37909
	Backport from mainline:
	* config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
	no address.

From-SVN: r141487

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fc3a36c52e9870a1fc5a6664589de4949dbf0eca..c8eb0a901df248aa59ceda8c95c4e7d7895ed0d0 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2008-10-31  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/37909
+       Backport from mainline:
+       * config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
+       no address.
+
 2008-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 
        Backport from mainline:

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 43efeb3f7446fa2b938d3f360c54c95934b5580b..ac2ab5c2cf575d3b8216a8e263dcbb181ca2c163 100644 (file)
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -3477,6 +3477,10 @@ 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)