[PATCH v2 5/10] Tilera (and Linux asm-generic) support for glibc

Chris Metcalf cmetcalf@tilera.com
Thu Nov 10 01:15:00 GMT 2011


(Unchanged since v1 of the patch)

2011-11-03  Chris Metcalf  <cmetcalf@tilera.com>

  * include/fenv.h (feraiseexcept): Allow platforms with no support
  for floating-point exceptions to ignore feraiseexcept() calls internally.

diff --git a/include/fenv.h b/include/fenv.h
index 3605f81..c061eb9 100644
--- a/include/fenv.h
+++ b/include/fenv.h
@@ -20,4 +20,10 @@ libm_hidden_proto (feholdexcept)
 libm_hidden_proto (feupdateenv)
 libm_hidden_proto (fetestexcept)
 
+/* Allow coding feraiseexcept() without guarding the call with an
+   ifdef of the argument, to suport platforms without FP exceptions.  */
+#if FE_ALL_EXCEPT == 0
+# define feraiseexcept(e) ({ 1; })
+#endif
+
 #endif



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