corda/external/sgx_libm/ia32/lroundl.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

254 lines
6.4 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 "lroundl.c"
.text
..TXTST0:
# -- Begin lroundl
.text
.align 16,0x90
.globl lroundl
lroundl:
# parameter 1: 8 + %ebp
..B1.1:
..L1:
pushl %ebp
movl %esp, %ebp
andl $-16, %esp
pushl %esi
pushl %edi
pushl %ebx
subl $20, %esp
movzbl 17(%ebp), %edi
movzwl 16(%ebp), %esi
andl $128, %edi
andl $32767, %esi
shrl $7, %edi
call ..L2
..L2:
popl %ebx
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ebx), %ebx
cmpl $16413, %esi
jge ..B1.11
..B1.2:
cmpl $16383, %esi
jge ..B1.10
..B1.3:
cmpl $16382, %esi
jge ..B1.9
..B1.4:
testl %esi, %esi
jne ..B1.8
..B1.5:
cmpl $0, 12(%ebp)
jne ..B1.7
..B1.6:
cmpl $0, 8(%ebp)
je ..B1.8
..B1.7:
fldl _smallest_value_64@GOTOFF(%ebx)
fstpl 8(%esp)
..B1.8:
xorl %eax, %eax
addl $20, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.9:
movl iones@GOTOFF(%ebx,%edi,4), %eax
addl $20, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.10:
negl %esi
movl 12(%ebp), %eax
movl %eax, %edx
lea 30(%esi), %ecx
addl $29, %esi
shrl %cl, %edx
movl %esi, %ecx
shrl %cl, %eax
andl $1, %eax
addl %eax, %edx
movl %edx, %eax
negl %eax
testl %edi, %edi
jne ..L3
movl %edx, %eax
..L3:
addl $20, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.11:
cmpl $16415, %esi
jge ..B1.17
..B1.12:
movl %esi, %ecx
lea 2147483647(%edi), %edx
negl %ecx
movl %edx, 4(%esp)
addl $30, %ecx
movl 12(%ebp), %edx
movl %edx, %eax
shrl %cl, %eax
cmpl $16414, %esi
jge ..B1.14
..B1.13:
andl $1, %edx
addl %eax, %edx
movl $0, %eax
adcl $0, %eax
jmp ..B1.15
..B1.14:
movl 8(%ebp), %edx
shrl $31, %edx
addl %eax, %edx
movl $0, %eax
adcl $0, %eax
..B1.15:
movl %edx, %ecx
subl 4(%esp), %ecx
movl %ecx, 16(%esp)
movl $0, %ecx
sbbl %ecx, %eax
jb ..B1.16
..B1.28:
movl 16(%esp), %ecx
orl %eax, %ecx
jne ..B1.17
..B1.16:
movl %edx, %eax
negl %eax
testl %edi, %edi
jne ..L4
movl %edx, %eax
..L4:
addl $20, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.17:
fldl _infs@GOTOFF(%ebx)
cmpl $32767, %esi
fmull _zeros@GOTOFF(%ebx)
fstpl 8(%esp)
jne ..B1.20
..B1.18:
cmpl $-2147483648, 12(%ebp)
jne ..B1.25
..B1.19:
cmpl $0, 8(%ebp)
jne ..B1.25
..B1.20:
fnstcw 2(%esp)
..B1.21:
movzwl 2(%esp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.25
..B1.22:
orl $-64768, %edx
movw %dx, (%esp)
..B1.23:
fldcw (%esp)
..B1.24:
fldcw 2(%esp)
..B1.25:
movl $-2147483648, %eax
addl $20, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
.align 16,0x90
.type lroundl,@function
.size lroundl,.-lroundl
.data
# -- End lroundl
.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