tile: avoid compiler warning in feraiseexcept() math_private override

diff --git a/ChangeLog.tile b/ChangeLog.tile
index 3dcd1a5..e9180cf 100644 (file)
--- a/ChangeLog.tile
+++ b/ChangeLog.tile
@@ -1,5 +1,10 @@
 2012-05-15  Chris Metcalf  <cmetcalf@tilera.com>
 
+       * sysdeps/tile/math_private.h (feraiseexcept): Use statement
+       expression syntax to avoid compiler warning.
+
+2012-05-15  Chris Metcalf  <cmetcalf@tilera.com>
+
        * sysdeps/tile/libm-test-ulps: New file.
 
 2012-05-15  Chris Metcalf  <cmetcalf@tilera.com>

diff --git a/sysdeps/tile/math_private.h b/sysdeps/tile/math_private.h
index 2dab42b..858db4a 100644 (file)
--- a/sysdeps/tile/math_private.h
+++ b/sysdeps/tile/math_private.h
@@ -6,7 +6,8 @@
    And since we don't define FE_INVALID, FE_DIVBYZERO, etc., we
    must ignore the argument of feraiseexcept() as well.  we return
    "1" to indicate we failed to raise an exception, though none of
-   the callers in glibc actually care.  */
-#define feraiseexcept(excepts) 1
+   the callers in glibc actually care.  The extra level of statement
+   expression wrapping avoids "statement with no effect" warnings.  */
+#define feraiseexcept(excepts) ({ 1; })
 
 #endif