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-rw-r--r--StdLib/LibC/Main/Ia32/fpu_rmode.S22
1 files changed, 22 insertions, 0 deletions
diff --git a/StdLib/LibC/Main/Ia32/fpu_rmode.S b/StdLib/LibC/Main/Ia32/fpu_rmode.S
new file mode 100644
index 0000000000..3d012872fc
--- /dev/null
+++ b/StdLib/LibC/Main/Ia32/fpu_rmode.S
@@ -0,0 +1,22 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(internal_FPU_rmode)
+ASM_PFX(internal_FPU_rmode):
+ subl $4,%esp
+ fnstcw (%esp)
+ movl (%esp),%eax
+ shrl $10,%eax
+ andl $3,%eax
+ addl $4,%esp
+ ret