corda/external/sgx_libm/ia32/l2q.S
Angie Chinchilla 9441de4c38 Initial release of Intel SGX for Linux.
This release is used in conjunction with the linux-sgx-driver Intial release:
https://github.com/01org/linux-sgx-driver
commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7

Intel-id: 33399

Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
2016-06-23 18:51:53 -04:00

110 lines
3.2 KiB
ArmAsm

/*
* Math library
*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Author Name <jingwei.zhang@intel.com>
* History:
* 03-14-2016 Initial version. numerics svn rev. 12864
*/
.file "l2q.c"
.text
..TXTST0:
# -- Begin __ltoq
.text
.align 16,0x90
.globl __ltoq
__ltoq:
# parameter 1: 32 + %esp
# parameter 2: 36 + %esp
..B1.1:
..L1:
pushl %edi
subl $24, %esp
..B1.2:
fnstcw 12(%esp)
..B1.3:
movzwl 12(%esp), %eax
orl $-64768, %eax
movw %ax, 14(%esp)
..B1.4:
fldcw 14(%esp)
..B1.5:
fldt 36(%esp)
call ..L2
..L2:
popl %eax
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax
fldt __l_one@GOTOFF(%eax)
fmulp %st, %st(1)
fstpt (%esp)
..B1.6:
fldcw 12(%esp)
..B1.7:
movl 32(%esp), %edx
movl (%esp), %ecx
movl %ecx, %edi
shll $17, %edi
movl %edi, 4(%edx)
movl 4(%esp), %edi
movl %edi, %eax
shll $17, %eax
shrl $15, %ecx
shrl $15, %edi
orl %ecx, %eax
movl 8(%esp), %ecx
movzwl %di, %edi
shll $16, %ecx
orl %ecx, %edi
movl $0, (%edx)
movl %eax, 8(%edx)
movl %edi, 12(%edx)
addl $24, %esp
popl %edi
ret
.align 16,0x90
.type __ltoq,@function
.size __ltoq,.-__ltoq
.data
# -- End __ltoq
.section .rodata, "a"
.align 4
.align 4
__l_one:
.long 0
.long 2147483648
.long 16383
.type __l_one,@object
.size __l_one,12
.data
.section .note.GNU-stack, ""
# End