corda/external/sgx_libm/ia32/llroundl.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

384 lines
9.5 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 "llroundl.c"
.text
..TXTST0:
# -- Begin llroundl
.text
.align 16,0x90
.globl llroundl
llroundl:
# parameter 1: 8 + %ebp
..B1.1:
..L1:
pushl %ebp
movl %esp, %ebp
andl $-16, %esp
pushl %esi
pushl %edi
pushl %ebx
subl $36, %esp
movzbl 17(%ebp), %ebx
movzwl 16(%ebp), %eax
andl $128, %ebx
andl $32767, %eax
shrl $7, %ebx
call ..L2
..L2:
popl %edi
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%edi), %edi
cmpl $16445, %eax
jge ..B1.17
..B1.2:
cmpl $16415, %eax
jge ..B1.16
..B1.3:
cmpl $16414, %eax
jge ..B1.15
..B1.4:
cmpl $16413, %eax
jge ..B1.14
..B1.5:
cmpl $16383, %eax
jge ..B1.13
..B1.6:
cmpl $16382, %eax
jge ..B1.12
..B1.7:
testl %eax, %eax
jne ..B1.11
..B1.8:
cmpl $0, 12(%ebp)
jne ..B1.10
..B1.9:
cmpl $0, 8(%ebp)
je ..B1.11
..B1.10:
fldl _smallest_value_64@GOTOFF(%edi)
fstpl 8(%esp)
..B1.11:
xorl %eax, %eax
xorl %edx, %edx
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.12:
movl iones@GOTOFF(%edi,%ebx,4), %eax
cltd
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.13:
negl %eax
movl 12(%ebp), %esi
movl %esi, %edi
lea 30(%eax), %ecx
addl $29, %eax
shrl %cl, %edi
movl %eax, %ecx
shrl %cl, %esi
andl $1, %esi
addl %esi, %edi
movl %edi, %eax
negl %eax
testl %ebx, %ebx
jne ..L3
movl %edi, %eax
..L3:
cltd
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.14:
negl %eax
addl $30, %eax
movl 12(%ebp), %edx
movl %edx, %esi
movl %eax, %ecx
andl $1, %esi
shrl %cl, %edx
xorl %eax, %eax
addl %edx, %esi
xorl %edx, %edx
subl %esi, %eax
sbbl $0, %edx
testl %ebx, %ebx
jne ..L4
movl %esi, %eax
..L4:
jne ..L5
movl $0, %edx
..L5:
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.15:
movl 8(%ebp), %ecx
xorl %esi, %esi
shrl $31, %ecx
xorl %eax, %eax
addl 12(%ebp), %ecx
adcl $0, %esi
xorl %edx, %edx
subl %ecx, %eax
sbbl %esi, %edx
testl %ebx, %ebx
jne ..L6
movl %ecx, %eax
..L6:
jne ..L7
movl %esi, %edx
..L7:
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.16:
movl %eax, %esi
addl $2, %eax
negl %esi
movl 12(%ebp), %edi
movl %esi, (%esp)
lea 30(%esi), %edx
movl %edi, %esi
movl %edx, %ecx
shrl %cl, %esi
movl %eax, %ecx
shll %cl, %edi
movl %edx, %ecx
movl 8(%ebp), %edx
movl %edx, %eax
shrl %cl, %eax
movl (%esp), %ecx
orl %eax, %edi
addl $29, %ecx
xorl %eax, %eax
shrl %cl, %edx
andl $1, %edx
addl %edx, %edi
adcl $0, %esi
xorl %edx, %edx
subl %edi, %eax
sbbl %esi, %edx
testl %ebx, %ebx
jne ..L8
movl %edi, %eax
..L8:
jne ..L9
movl %esi, %edx
..L9:
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.17:
cmpl $16447, %eax
jge ..B1.29
..B1.18:
movl %ebx, %edx
xorl %esi, %esi
addl $-1, %edx
movl %edx, 20(%esp)
adcl $2147483647, %esi
movl %esi, 16(%esp)
cmpl $16446, %eax
movl 12(%ebp), %edx
movl 8(%ebp), %esi
jge ..B1.21
..B1.19:
movl %ebx, (%esp)
movl %esi, %ebx
shrl $1, %ebx
movl %edx, %ecx
shll $31, %edx
andl $1, %esi
orl %ebx, %edx
shrl $1, %ecx
addl %edx, %esi
movl %ecx, %edx
movl (%esp), %ebx
adcl $0, %edx
..B1.21:
xorl %ecx, %ecx
subl %esi, %ecx
movl %eax, 28(%esp)
movl $0, %eax
sbbl %edx, %eax
testl %ebx, %ebx
jne ..L10
movl %esi, %ecx
..L10:
jne ..L11
movl %edx, %eax
..L11:
movl %ecx, 24(%esp)
subl %esi, %ecx
movl %eax, (%esp)
sbbl %edx, %eax
movl 28(%esp), %eax
jb ..B1.23
..B1.22:
movl $1, %ebx
jmp ..B1.24
..B1.23:
xorl %ebx, %ebx
..B1.24:
subl 20(%esp), %esi
sbbl 16(%esp), %edx
jb ..B1.25
..B1.40:
orl %edx, %esi
jne ..B1.26
..B1.25:
movl $1, %edx
jmp ..B1.27
..B1.26:
xorl %edx, %edx
..B1.27:
testl %edx, %ebx
je ..B1.29
..B1.28:
movl 24(%esp), %eax
movl (%esp), %edx
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.29:
fldl _infs@GOTOFF(%edi)
cmpl $32767, %eax
fmull _zeros@GOTOFF(%edi)
fstpl 8(%esp)
jne ..B1.32
..B1.30:
cmpl $-2147483648, 12(%ebp)
jne ..B1.37
..B1.31:
cmpl $0, 8(%ebp)
jne ..B1.37
..B1.32:
fnstcw 6(%esp)
..B1.33:
movzwl 6(%esp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.37
..B1.34:
orl $-64768, %edx
movw %dx, 4(%esp)
..B1.35:
fldcw 4(%esp)
..B1.36:
fldcw 6(%esp)
..B1.37:
xorl %eax, %eax
movl $-2147483648, %edx
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
.align 16,0x90
.type llroundl,@function
.size llroundl,.-llroundl
.data
# -- End llroundl
.section .rodata, "a"
.align 4
.align 4
_smallest_value_64:
.long 1
.long 0
.long 1
.long 2147483648
.type _smallest_value_64,@object
.size _smallest_value_64,16
.align 4
iones:
.long 1
.long -1
.type iones,@object
.size iones,8
.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