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-rw-r--r--sysdeps/i386/setfpucw.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/sysdeps/i386/setfpucw.c b/sysdeps/i386/setfpucw.c
deleted file mode 100644
index 40b995f18a..0000000000
--- a/sysdeps/i386/setfpucw.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Set the FPU control word for x86.
- Copyright (C) 2003-2017 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
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <math.h>
-#include <fpu_control.h>
-#include <fenv.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
-
-void
-__setfpucw (fpu_control_t set)
-{
- fpu_control_t cw;
-
- /* Fetch the current control word. */
- __asm__ ("fnstcw %0" : "=m" (*&cw));
-
- /* Preserve the reserved bits, and set the rest as the user
- specified (or the default, if the user gave zero). */
- cw &= _FPU_RESERVED;
- cw |= set & ~_FPU_RESERVED;
-
- __asm__ ("fldcw %0" : : "m" (*&cw));
-
- /* If the CPU supports SSE, we set the MXCSR as well. */
- if (HAS_CPU_FEATURE (SSE))
- {
- unsigned int xnew_exc;
-
- /* Get the current MXCSR. */
- __asm__ ("stmxcsr %0" : "=m" (*&xnew_exc));
-
- xnew_exc &= ~((0xc00 << 3) | (FE_ALL_EXCEPT << 7));
- xnew_exc |= ((set & 0xc00) << 3) | ((set & FE_ALL_EXCEPT) << 7);
-
- __asm__ ("ldmxcsr %0" : : "m" (*&xnew_exc));
- }
-}