corda/external/sgx_libm/ia32/llrint.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

172 lines
4.7 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 "llrint.c"
.text
..TXTST0:
# -- Begin llrint
.text
.align 16,0x90
.globl llrint
llrint:
# parameter 1: 8 + %ebp
..B1.1:
..L1:
pushl %ebp
movl %esp, %ebp
andl $-16, %esp
pushl %esi
pushl %edi
pushl %ebx
subl $36, %esp
movl 12(%ebp), %ebx
movl %ebx, %edi
andl $2147483647, %edi
cmpl $1137704960, %edi
jae ..B1.4
..B1.2:
fldl 8(%ebp)
fistpll 16(%esp)
..B1.3:
movl 16(%esp), %eax
movl 20(%esp), %edx
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.4:
cmpl $1139802112, %edi
jae ..B1.7
..B1.5:
movl %edi, %edx
andl $1048575, %edi
shrl $20, %edx
orl $1048576, %edi
movl 8(%ebp), %esi
xorl %eax, %eax
shrl $31, %ebx
movl %ebx, (%esp)
addl $-1, %ebx
lea 13(%edx), %ecx
movl %ecx, 4(%esp)
adcl $2147483647, %eax
negl %edx
addl $19, %edx
shll %cl, %edi
movl %edx, %ecx
movl %esi, %edx
shrl %cl, %edx
movl 4(%esp), %ecx
orl %edx, %edi
shll %cl, %esi
movl %edi, %ecx
movl %esi, %edx
subl %ebx, %edx
movl (%esp), %ebx
sbbl %eax, %ecx
jb ..B1.6
..B1.10:
orl %ecx, %edx
jne ..B1.7
..B1.6:
xorl %eax, %eax
xorl %edx, %edx
subl %esi, %eax
sbbl %edi, %edx
testl %ebx, %ebx
jne ..L2
movl %esi, %eax
..L2:
jne ..L3
movl %edi, %edx
..L3:
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.7:
call ..L4
..L4:
popl %eax
lea _GLOBAL_OFFSET_TABLE_+[. - ..L4](%eax), %eax
movl $-2147483648, %edx
movl $0, 16(%esp)
movl $-2147483648, 20(%esp)
fldl _infs@GOTOFF(%eax)
fmull _zeros@GOTOFF(%eax)
xorl %eax, %eax
fstpl 8(%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
.align 16,0x90
.type llrint,@function
.size llrint,.-llrint
.data
# -- End llrint
.section .rodata, "a"
.align 4
.align 4
_infs:
.long 0
.long 2146435072
.long 0
.long 4293918720
.type _infs,@object
.size _infs,16
.align 4
_zeros:
.long 0
.long 0
.long 0
.long 2147483648
.type _zeros,@object
.size _zeros,16
.data
.section .note.GNU-stack, ""
# End