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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b45aa5a..b9b1b32 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 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.
 

diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index 0d8b0fc..b5121c0 100644 (file)
--- a/gcc/sel-sched-ir.h
+++ b/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);
 

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d6f013e..341c535 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 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.
 

diff --git a/gcc/testsuite/gfortran.dg/pr42246-2.f b/gcc/testsuite/gfortran.dg/pr42246-2.f
new file mode 100644 (file)
index 0000000..885e3a4
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr42246-2.f
@@ -0,0 +1,21 @@
+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
+