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100 lines
3.0 KiB
ArmAsm
100 lines
3.0 KiB
ArmAsm
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/*
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* Math library
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*
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* Copyright (C) 2016 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* Author Name <jingwei.zhang@intel.com>
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* History:
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* 03-14-2016 Initial version. numerics svn rev. 12864
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*/
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.file "fedisableexcept.c"
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.text
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..TXTST0:
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# -- Begin fedisableexcept
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.text
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.align 16,0x90
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.globl fedisableexcept
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fedisableexcept:
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# parameter 1: 48 + %esp
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..B1.1:
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..L1:
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subl $44, %esp
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movl %gs:20, %eax
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xorl %esp, %eax
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movl %eax, 36(%esp)
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movl 48(%esp), %eax
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andl $63, %eax
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..B1.2:
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fnstcw 4(%esp)
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..B1.3:
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testl %eax, %eax
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je ..B1.10
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..B1.4:
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fnstenv 6(%esp)
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..B1.5:
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orw %ax, 6(%esp)
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..B1.6:
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fnclex
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..B1.7:
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fldenv 6(%esp)
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..B1.8:
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stmxcsr (%esp)
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..B1.9:
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shll $7, %eax
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orl (%esp), %eax
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movl %eax, (%esp)
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ldmxcsr (%esp)
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..B1.10:
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movzwl 4(%esp), %eax
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movl 36(%esp), %edx
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notl %eax
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xorl %esp, %edx
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andl $63, %eax
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cmpl %gs:20, %edx
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jne ..B1.12
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..B1.11:
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addl $44, %esp
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ret
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..B1.12:
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call ..L2
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..L2:
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popl %ebx
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lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ebx), %ebx
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call __stack_chk_fail@PLT
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.align 16,0x90
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.type fedisableexcept,@function
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.size fedisableexcept,.-fedisableexcept
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.data
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# -- End fedisableexcept
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.data
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.section .note.GNU-stack, ""
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# End
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