This test is sensitive to the branch costing on the target. The target selector ought to be fairly accurate now.

Installed on the trunk.

Jeff
commit 3659591cfec9c1a0b84ce6a076bf3b398a4dea66
Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Mon Nov 2 05:59:19 2015 +0000

    [PATCH] Avoid ssa-thread-11.c on various targets
    
        * gcc.dg/tree-ssa/ssa-thread-11.c: Update target selector.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229651 
138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c1499f8..4d91e50 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-01  Jeff Law  <l...@redhat.com>
+
+       * gcc.dg/tree-ssa/ssa-thread-11.c: Update target selector.
+
 2015-11-01  Uros Bizjak  <ubiz...@gmail.com>
 
        * gcc.target/i386/pr67609-2.c: Include sse2-check.h.
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-11.c 
b/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-11.c
index 03d0334..6a076e1 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-11.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-thread-11.c
@@ -1,4 +1,4 @@
-/* { dg-do compile } */
+/* { dg-do compile { target { ! { logical_op_short_circuit || { m68k*-*-* 
mep*-*-* bfin*-*-* v850*-*-* moxie*-*-* m32c*-*-* fr30*-*-* mcore*-*-* frv-*-* 
h8300-*-* m32r-*-* mn10300-*-* msp430-*-* pdp11-*-* rl78-*-* rx-*-* vax-*-*} } 
} } } */
 /* { dg-options "-O2 -fdump-tree-vrp2-details" } */
 /* { dg-final { scan-tree-dump "FSM" "vrp2" } } */
 

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