audk/StdLib/LibC/Main/X64/fpu_rmode.S

21 lines
814 B
ArmAsm

#------------------------------------------------------------------------------
#
# 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):
fnstcw -4(%rsp)
movl -4(%rsp),%eax
shrl $10,%eax
andl $3,%eax
ret