re PR target/66747 (The commit r225260 broke the builds of the…

re PR target/66747 (The commit r225260 broke the builds of the mips-{mti,img}-linux-gnu tool chains.)

2015-07-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/66747
        * config/mips/mips.c (mips_find_gp_ref): Handle instruction sequences.

From-SVN: r225416

gcc/ChangeLog

+2015-07-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	PR target/66747
+	* config/mips/mips.c (mips_find_gp_ref): Handle instruction sequences.
+
 2015-07-04  John David Anglin  <danglin@gcc.gnu.org>
 
 	PR target/66114

gcc/config/mips/mips.c

@@ -9790,17 +9790,18 @@ mips16_cfun_returns_in_fpr_p (void)
 static bool
 mips_find_gp_ref (bool *cache, bool (*pred) (rtx_insn *))
 {
-  rtx_insn *insn;
+  rtx_insn *insn, *subinsn;
 
   if (!*cache)
     {
       push_topmost_sequence ();
       for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
-	if (USEFUL_INSN_P (insn) && pred (insn))
-	  {
-	    *cache = true;
-	    break;
-	  }
+	FOR_EACH_SUBINSN (subinsn, insn)
+	  if (USEFUL_INSN_P (subinsn) && pred (subinsn))
+	    {
+	      *cache = true;
+	      break;
+	    }
       pop_topmost_sequence ();
     }
   return *cache;