X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffpucw.h;h=c855faea5d3bd8fdf7d508f68dab7ee100e01c6c;hb=b37182eb01e20e28b78bc65033b01a51c658e2fc;hp=16aa4bcb34230c095acc3259a6da90919f230ce9;hpb=cdaeb6bb213d6042df46e0b3584718ede9f18511;p=gnulib.git

diff --git a/lib/fpucw.h b/lib/fpucw.h
index 16aa4bcb3..c855faea5 100644
--- a/lib/fpucw.h
+++ b/lib/fpucw.h
@@ -1,11 +1,11 @@
 /* Manipulating the FPU control word.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,8 +13,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef _FPUCW_H
 #define _FPUCW_H
@@ -62,7 +61,7 @@
  */
 
 /* Inline assembler like this works only with GNU C.  */
-#if defined __i386__ && defined __GNUC__
+#if (defined __i386__ || defined __x86_64__) && defined __GNUC__
 
 typedef unsigned short fpucw_t; /* glibc calls this fpu_control_t */
 
@@ -71,19 +70,19 @@ typedef unsigned short fpucw_t; /* glibc calls this fpu_control_t */
 # define FPU_PC_EXTENDED 0x300  /* glibc calls this _FPU_EXTENDED */
 
 # define GET_FPUCW() \
-  ({ fpucw_t _cw;						\
-     __asm__ __volatile__ ("fnstcw %0" : "=m" (*&_cw));		\
-     _cw;							\
+  ({ fpucw_t _cw;                                               \
+     __asm__ __volatile__ ("fnstcw %0" : "=m" (*&_cw));         \
+     _cw;                                                       \
    })
 # define SET_FPUCW(word) \
-  (void)({ fpucw_t _ncw = (word);				\
-           __asm__ __volatile__ ("fldcw %0" : : "m" (*&_ncw));	\
+  (void)({ fpucw_t _ncw = (word);                               \
+           __asm__ __volatile__ ("fldcw %0" : : "m" (*&_ncw));  \
          })
 
 # define DECL_LONG_DOUBLE_ROUNDING \
   fpucw_t oldcw;
 # define BEGIN_LONG_DOUBLE_ROUNDING() \
-  (void)(oldcw = GET_FPUCW (),					\
+  (void)(oldcw = GET_FPUCW (),                                  \
          SET_FPUCW ((oldcw & ~FPU_PC_MASK) | FPU_PC_EXTENDED))
 # define END_LONG_DOUBLE_ROUNDING() \
   SET_FPUCW (oldcw)