re PR bootstrap/26059 (fenv.h use in libgcc-math)

2006-02-01  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/26059
	* flt-32/e_expf.c: Remove fenv access.

From-SVN: r110470

libgcc-math/ChangeLog

 2006-02-01  Richard Guenther  <rguenther@suse.de>
 
+	PR bootstrap/26059
+	* flt-32/e_expf.c: Remove fenv access.
+
+2006-02-01  Richard Guenther  <rguenther@suse.de>
+
 	PR bootstrap/26055
 	* configure.ac: Disable libgcc-math if we cannot mix
 	declaration of __isinf and math.h inclusion.

libgcc-math/flt-32/e_expf.c

@@ -53,7 +53,6 @@
 #include <float.h>
 #include <ieee754.h>
 #include <math.h>
-#include <fenv.h>
 #include <inttypes.h>
 #include <math_private.h>
 
@@ -84,12 +83,6 @@ __ieee754_expf (float x)
       double x22, t, result, dx;
       float n, delta;
       union ieee754_double ex2_u;
-      fenv_t oldenv;
-
-      feholdexcept (&oldenv);
-#ifdef FE_TONEAREST
-      fesetround (FE_TONEAREST);
-#endif
 
       /* Calculate n.  */
       n = x * M_1_LN2 + THREEp22;
@@ -119,8 +112,6 @@ __ieee754_expf (float x)
       x22 = (0.5000000496709180453 * dx + 1.0000001192102037084) * dx + delta;
 
       /* Return result.  */
-      fesetenv (&oldenv);
-
       result = x22 * ex2_u.d + ex2_u.d;
       return (float) result;
     }