(fedisableexcept): Mask, not unmask, exceptions.

diff --git a/sysdeps/i386/fpu/fedisblxcpt.c b/sysdeps/i386/fpu/fedisblxcpt.c
index 0cb570f..019366e 100644 (file)
--- a/sysdeps/i386/fpu/fedisblxcpt.c
+++ b/sysdeps/i386/fpu/fedisblxcpt.c
@@ -1,5 +1,5 @@
 /* Disable floating-point exceptions.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 1999.
 
@@ -24,15 +24,15 @@ int
 fedisableexcept (int excepts)
 {
   unsigned short int new_exc, old_exc;
-  
+
   /* Get the current control word.  */
   __asm__ ("fstcw %0" : "=m" (*&new_exc));
-  
+
   old_exc = new_exc & FE_ALL_EXCEPT;
 
   excepts &= FE_ALL_EXCEPT;
-  
-  new_exc &= ~excepts;
+
+  new_exc |= excepts;
   __asm__ ("fldcw %0" : : "m" (*&new_exc));
 
   return old_exc;

diff --git a/sysdeps/i386/fpu/feenablxcpt.c b/sysdeps/i386/fpu/feenablxcpt.c
index b9877d4..f284306 100644 (file)
--- a/sysdeps/i386/fpu/feenablxcpt.c
+++ b/sysdeps/i386/fpu/feenablxcpt.c
@@ -1,5 +1,5 @@
 /* Enable floating-point exceptions.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 1999.
 
@@ -31,7 +31,7 @@ feenableexcept (int excepts)
   excepts &= FE_ALL_EXCEPT;
   old_exc = new_exc & FE_ALL_EXCEPT;
 
-  new_exc |= excepts;
+  new_exc &= ~excepts;
   __asm__ ("fldcw %0" : : "m" (*&new_exc));
 
   return old_exc;