re PR rtl-optimization/42246 (ICE in init_seqno for 186.crafty with sel-sched)

        PR rtl-optimization/42246
        * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
        loops.

From-SVN: r155900

gcc/ChangeLog

 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
 
+	PR rtl-optimization/42246
+	* sel-sched-ir.h (get_all_loop_exits): Include exits from inner
+	loops.
+
+2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
+
 	* sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
 	all successors is the same as number of successors in current region.
 

gcc/sel-sched-ir.h

@@ -1147,7 +1147,8 @@ get_all_loop_exits (basic_block bb)
 
       /* Traverse all loop headers.  */
       for (i = 0; VEC_iterate (edge, exits, i, e); i++)
-	if (in_current_region_p (e->dest))
+	if (in_current_region_p (e->dest)
+	    || inner_loop_header_p (e->dest))
 	  {
 	    VEC(edge, heap) *next_exits = get_all_loop_exits (e->dest);
 

gcc/testsuite/ChangeLog

 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
 
+	PR rtl-optimization/42246
+	* gfortran.dg/pr42246-2.f: New.
+
+2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
+
 	PR rtl-optimization/42389
 	* gcc.dg/pr42389.c: New.
 

gcc/testsuite/gfortran.dg/pr42246-2.f

+C PR rtl-optimization/42246
+C { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } }
+C { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops" }
+
+      subroutine distance(x,clo)
+      implicit real*8 (a-h,o-z)
+      dimension x(2,6),x1(2,6),clo(6)
+      do 60 i=1,2
+        do 20 j=1,6
+          x(i,j)=clo(j)
+   20   continue
+        do 40 iq=1,6
+          x1(i,iq)=0.0d0
+   40   continue
+        do 50 j=1,6
+          x(i,j)=x1(i,j)
+   50   continue
+   60 continue
+      return
+      end
+