tile: avoid compiler warning in feraiseexcept() math_private override

diff --git a/ChangeLog.tile b/ChangeLog.tile
index 3dcd1a5992ac21373bf6ccbd574f1ea83ac25842..e9180cf07d19b4d8fb01aca14902533bfa52b282 100644 (file)
--- a/ChangeLog.tile
+++ b/ChangeLog.tile
@@ -1,3 +1,8 @@
+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.

diff --git a/sysdeps/tile/math_private.h b/sysdeps/tile/math_private.h
index 2dab42b9bfaea598c722aea9d157f4aed06517b2..858db4a0512a90d1c566c35a9b8d9d8d3d977262 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