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Diffstat (limited to 'sysdeps/i386/fpu/fesetmode.c')
-rw-r--r--sysdeps/i386/fpu/fesetmode.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/sysdeps/i386/fpu/fesetmode.c b/sysdeps/i386/fpu/fesetmode.c
deleted file mode 100644
index bd9f74cd97..0000000000
--- a/sysdeps/i386/fpu/fesetmode.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Install given floating-point control modes. i386 version.
- Copyright (C) 2016-2017 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 <fenv.h>
-#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
-
-/* All exceptions, including the x86-specific "denormal operand"
- exception. */
-#define FE_ALL_EXCEPT_X86 (FE_ALL_EXCEPT | __FE_DENORM)
-
-int
-fesetmode (const femode_t *modep)
-{
- fpu_control_t cw;
- if (modep == FE_DFL_MODE)
- cw = _FPU_DEFAULT;
- else
- cw = modep->__control_word;
- _FPU_SETCW (cw);
- if (HAS_CPU_FEATURE (SSE))
- {
- unsigned int mxcsr;
- __asm__ ("stmxcsr %0" : "=m" (mxcsr));
- /* Preserve SSE exception flags but restore other state in
- MXCSR. */
- mxcsr &= FE_ALL_EXCEPT_X86;
- if (modep == FE_DFL_MODE)
- /* Default MXCSR state has all bits zero except for those
- masking exceptions. */
- mxcsr |= FE_ALL_EXCEPT_X86 << 7;
- else
- mxcsr |= modep->__mxcsr & ~FE_ALL_EXCEPT_X86;
- __asm__ ("ldmxcsr %0" : : "m" (mxcsr));
- }
- return 0;
-}