[glibc/azanella/x86-libc_fe] Use libc_fe* macros in ldbl-128/e_expl.c.

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=035ed16ebeb4c30737e51507ed5cb03880aa148a

commit 035ed16ebeb4c30737e51507ed5cb03880aa148a
Author: Stefan Liebler via Libc-alpha <libc-alpha@sourceware.org>
Date:   Mon Apr 20 08:14:15 2020 -0300

    Use libc_fe* macros in ldbl-128/e_expl.c.

Diff:
---
 sysdeps/ieee754/ldbl-128/e_expl.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sysdeps/ieee754/ldbl-128/e_expl.c b/sysdeps/ieee754/ldbl-128/e_expl.c
index 37c1538c08..104ace1690 100644
--- a/sysdeps/ieee754/ldbl-128/e_expl.c
+++ b/sysdeps/ieee754/ldbl-128/e_expl.c
@@ -66,6 +66,7 @@
 #include <inttypes.h>
 #include <math-barriers.h>
 #include <math_private.h>
+#include <fenv_private.h>
 #include <math-underflow.h>
 #include <stdlib.h>
 #include "t_expl.h"
@@ -146,9 +147,10 @@ __ieee754_expl (_Float128 x)
       union ieee854_long_double ex2_u, scale_u;
       fenv_t oldenv;
 
-      feholdexcept (&oldenv);
 #ifdef FE_TONEAREST
-      fesetround (FE_TONEAREST);
+      libc_feholdexcept_setroundl (&oldenv, FE_TONEAREST);
+#else
+      libc_feholdexceptl (&oldenv);
 #endif
 
       /* Calculate n.  */
@@ -198,7 +200,7 @@ __ieee754_expl (_Float128 x)
       math_force_eval (x22);
 
       /* Return result.  */
-      fesetenv (&oldenv);
+      libc_fesetenvl (&oldenv);
 
       result = x22 * ex2_u.d + ex2_u.d;