corda/external/sgx_libm/ia32/q2l.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

354 lines
8.9 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 "q2l.c"
.text
..TXTST0:
# -- Begin __qtol
.text
.align 16,0x90
.globl __qtol
__qtol:
# 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 8(%ebp), %eax
call ..L2
..L2:
popl %ecx
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ecx), %ecx
movl 12(%eax), %edx
movl 8(%eax), %esi
movl %ecx, 16(%esp)
movl (%eax), %ecx
movl 4(%eax), %ebx
movl %edx, %eax
movl %edx, 12(%esp)
movzwl %dx, %edi
movl %esi, %edx
shrl $17, %edx
shll $15, %edi
orl %edi, %edx
movl %ebx, %edi
shll $15, %esi
shrl $17, %edi
orl %edi, %esi
movl %ecx, %edi
shrl $16, %eax
shrl $17, %edi
shll $15, %ebx
movl %eax, 24(%esp)
andl $32767, %eax
shll $15, %ecx
orl %ebx, %edi
movl %edi, 28(%esp)
cmpl $32767, %eax
jne ..B1.7
..B1.2:
movl %edi, %eax
orl %esi, %ecx
orl %edx, %eax
orl %eax, %ecx
je ..B1.6
..B1.3:
movl %edx, %eax
xorl %ecx, %ecx
andl $1073741824, %eax
orl %eax, %ecx
jne ..B1.5
..B1.4:
movl 16(%esp), %eax
movl p_zero@GOTOFF(%eax), %ecx
fldl (%ecx)
fdiv %st(0), %st
fstpl (%esp)
..B1.5:
orl $-1073741824, %edx
..B1.6:
movl 24(%esp), %eax
orl $-2147483648, %edx
movl %eax, 16(%esp)
movl %esi, 8(%esp)
movl %edx, 12(%esp)
fldt 8(%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.7:
testl %eax, %eax
je ..B1.9
..B1.8:
orl $-2147483648, %edx
jmp ..B1.11
..B1.9:
movl %esi, %edi
movl %edx, %ebx
orl 28(%esp), %ebx
orl %ecx, %edi
orl %ebx, %edi
je ..B1.22
..B1.10:
movl 16(%esp), %edi
movl p_tiny@GOTOFF(%edi), %ebx
fldl (%ebx)
movl p_one@GOTOFF(%edi), %ebx
fmull (%ebx)
fstpl (%esp)
..B1.11:
movl %ecx, %ebx
orl 28(%esp), %ebx
je ..B1.21
..B1.12:
fnstcw 20(%esp)
..B1.13:
movl 20(%esp), %ebx
andl $3072, %ebx
movl %ebx, 8(%esp)
jne ..B1.15
..B1.14:
xorl %ebx, %ebx
movl 28(%esp), %edi
subl %ebx, %edi
jl ..B1.23
jmp ..B1.18
..B1.15:
testl $-2147483648, 12(%esp)
je ..B1.17
..B1.16:
cmpl $1024, 8(%esp)
je ..B1.23
jmp ..B1.18
..B1.17:
cmpl $2048, 8(%esp)
je ..B1.23
..B1.18:
testl %eax, %eax
jne ..B1.20
..B1.19:
movl 16(%esp), %eax
movl p_norm@GOTOFF(%eax), %ecx
fldl (%ecx)
fmul %st(0), %st
fstpl (%esp)
jmp ..B1.21
..B1.20:
movl 16(%esp), %eax
movl p_one@GOTOFF(%eax), %ecx
movl p_norm@GOTOFF(%eax), %ebx
fldl (%ecx)
faddl (%ebx)
fstpl (%esp)
..B1.21:
movl 24(%esp), %eax
movl %eax, 16(%esp)
movl %esi, 8(%esp)
movl %edx, 12(%esp)
fldt 8(%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.22:
movl 24(%esp), %eax
xorl %edx, %edx
movl %eax, 16(%esp)
movl %edx, 8(%esp)
movl %edx, 12(%esp)
fldt 8(%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.23:
addl $1, %esi
adcl $0, %edx
testl %eax, %eax
je ..B1.32
..B1.24:
movl %esi, %eax
orl %edx, %eax
jne ..B1.28
..B1.25:
movl 24(%esp), %eax
xorl %esi, %esi
incl %eax
movl $-2147483648, %edx
movl %eax, 24(%esp)
andl $32767, %eax
..B1.26:
cmpl $32767, %eax
jne ..B1.18
..B1.27:
movl 16(%esp), %eax
movl p_huge@GOTOFF(%eax), %ecx
fldl (%ecx)
fmul %st(0), %st
fstpl (%esp)
jmp ..B1.21
..B1.28:
movl $-2147483648, %eax
movl 28(%esp), %ebx
subl %eax, %ebx
orl %ebx, %ecx
jne ..B1.30
..B1.29:
movl $1, %eax
jmp ..B1.31
..B1.30:
xorl %eax, %eax
..B1.31:
xorl %ecx, %ecx
cmpl $0, 8(%esp)
sete %cl
andl %ecx, %eax
notl %eax
andl %eax, %esi
movl 16(%esp), %eax
movl p_one@GOTOFF(%eax), %ebx
movl p_norm@GOTOFF(%eax), %eax
fldl (%ebx)
faddl (%eax)
fstpl (%esp)
jmp ..B1.21
..B1.32:
movl $-2147483648, %eax
movl 28(%esp), %ebx
subl %eax, %ebx
orl %ebx, %ecx
jne ..B1.34
..B1.33:
movl $1, %ecx
jmp ..B1.35
..B1.34:
xorl %ecx, %ecx
..B1.35:
xorl %edi, %edi
xorl %eax, %eax
cmpl $0, 8(%esp)
sete %al
andl %eax, %ecx
notl %ecx
andl %ecx, %esi
movl %edx, %ecx
subl %edi, %ecx
jge ..B1.19
..B1.36:
movl 24(%esp), %eax
incl %eax
movl %eax, 24(%esp)
andl $32767, %eax
jmp ..B1.26
.align 16,0x90
.type __qtol,@function
.size __qtol,.-__qtol
.data
# -- End __qtol
.data
.align 4
.align 4
p_zero:
.long d_zero
.type p_zero,@object
.size p_zero,4
.align 4
p_tiny:
.long d_tiny
.type p_tiny,@object
.size p_tiny,4
.align 4
p_one:
.long d_one
.type p_one,@object
.size p_one,4
.align 4
p_norm:
.long d_norm
.type p_norm,@object
.size p_norm,4
.align 4
p_huge:
.long d_huge
.type p_huge,@object
.size p_huge,4
.section .rodata, "a"
.align 8
.align 8
d_zero:
.long 0x00000000,0x00000000
.type d_zero,@object
.size d_zero,8
.align 8
d_tiny:
.long 0x00000001,0x00000000
.type d_tiny,@object
.size d_tiny,8
.align 8
d_one:
.long 0x00000000,0x3ff00000
.type d_one,@object
.size d_one,8
.align 8
d_norm:
.long 0x00000000,0x00100000
.type d_norm,@object
.size d_norm,8
.align 8
d_huge:
.long 0xffffffff,0x7fefffff
.type d_huge,@object
.size d_huge,8
.data
.section .note.GNU-stack, ""
# End