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Diffstat (limited to 'libc/sysdeps/linux/x86_64/bits')
-rw-r--r--libc/sysdeps/linux/x86_64/bits/fenv.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/x86_64/bits/fenv.h b/libc/sysdeps/linux/x86_64/bits/fenv.h
index 04576933f..11859f00c 100644
--- a/libc/sysdeps/linux/x86_64/bits/fenv.h
+++ b/libc/sysdeps/linux/x86_64/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2001,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,6 +20,8 @@
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
+#include <bits/wordsize.h>
+
/* Define bits representing the exception. We use the bit positions
of the appropriate bits in the FPU control word. */
@@ -80,7 +82,9 @@ typedef struct
unsigned int __data_offset;
unsigned short int __data_selector;
unsigned short int __unused5;
+#if __WORDSIZE == 64
unsigned int __mxcsr;
+#endif
}
fenv_t;