corda/external/sgx_libm/ia32/ldexpl.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

338 lines
8.1 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 "ldexpl.c"
.text
..TXTST0:
# -- Begin ldexpl
.text
.align 16,0x90
.globl ldexpl
ldexpl:
# parameter 1: 32 + %esp
# parameter 2: 44 + %esp
..B1.1:
..L1:
pushl %edi
pushl %ebx
pushl %ebp
subl $16, %esp
movl 44(%esp), %ebx
..B1.2:
fnstcw 14(%esp)
..B1.3:
movzwl 40(%esp), %eax
movl %eax, %ecx
andl $32767, %ecx
call ..L2
..L2:
popl %ebp
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ebp), %ebp
cmpl $32767, %ecx
je ..B1.43
..B1.4:
testl %ecx, %ecx
jne ..B1.14
..B1.5:
cmpl $0, 36(%esp)
jne ..B1.8
..B1.6:
cmpl $0, 32(%esp)
jne ..B1.8
..B1.7:
fldt 32(%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.8:
movzwl 14(%esp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.42
..B1.9:
orl $-64768, %edx
movw %dx, 12(%esp)
..B1.10:
fldcw 12(%esp)
..B1.11:
fldt 32(%esp)
fmull _TWO_75@GOTOFF(%ebp)
fstpt 32(%esp)
..B1.12:
fldcw 14(%esp)
..B1.13:
movzwl 40(%esp), %eax
movl %eax, %ecx
andl $32767, %ecx
addl $-75, %ecx
..B1.14:
cmpl $65536, %ebx
jle ..L3
movl $65536, %ebx
..L3:
cmpl $-65536, %ebx
jg ..L4
movl $-65536, %ebx
..L4:
lea (%ecx,%ebx), %edi
testl %edi, %edi
jle ..B1.25
..B1.15:
cmpl $32767, %edi
jge ..B1.17
..B1.16:
andl $-32768, %eax
andl $32767, %edi
orl %edi, %eax
movw %ax, 40(%esp)
fldt 32(%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.17:
movzwl 14(%esp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.24
..B1.18:
orl $-64768, %edx
movw %dx, 12(%esp)
..B1.19:
fldcw 12(%esp)
..B1.20:
movl $1, %ebx
..B1.21:
fldt _large_value_80@GOTOFF(%ebp)
movzbl 41(%esp), %edx
andl $128, %edx
shrl $7, %edx
testl %ebx, %ebx
lea (,%edx,8), %eax
lea (%eax,%edx,4), %ecx
fldt _large_value_80@GOTOFF(%ebp,%ecx)
fmulp %st, %st(1)
fstpt (%esp)
je ..B1.23
..B1.22:
fldcw 14(%esp)
..B1.23:
fldt (%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.24:
xorl %ebx, %ebx
jmp ..B1.21
..B1.25:
movzwl 14(%esp), %edx
cmpl $-63, %edi
jl ..B1.34
..B1.26:
movl %edx, %edi
andl $768, %edi
cmpl $768, %edi
je ..B1.33
..B1.27:
orl $-64768, %edx
movw %dx, 12(%esp)
..B1.28:
fldcw 12(%esp)
..B1.29:
movzwl 40(%esp), %eax
movl $1, %edi
..B1.30:
fldt 32(%esp)
lea 75(%ecx,%ebx), %edx
andl $-32768, %eax
andl $32767, %edx
fstpt (%esp)
orl %edx, %eax
movw %ax, 8(%esp)
testl %edi, %edi
fldt (%esp)
fmull 8+_TWO_75@GOTOFF(%ebp)
fstpt (%esp)
je ..B1.32
..B1.31:
fldcw 14(%esp)
..B1.32:
fldt (%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.33:
xorl %edi, %edi
jmp ..B1.30
..B1.34:
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.41
..B1.35:
orl $-64768, %edx
movw %dx, 12(%esp)
..B1.36:
fldcw 12(%esp)
..B1.37:
movl $1, %ebx
..B1.38:
fldt _small_value_80@GOTOFF(%ebp)
movzbl 41(%esp), %edx
andl $128, %edx
shrl $7, %edx
testl %ebx, %ebx
lea (,%edx,8), %eax
lea (%eax,%edx,4), %ecx
fldt _small_value_80@GOTOFF(%ebp,%ecx)
fmulp %st, %st(1)
fstpt (%esp)
je ..B1.40
..B1.39:
fldcw 14(%esp)
..B1.40:
fldt (%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.41:
xorl %ebx, %ebx
jmp ..B1.38
..B1.42:
fldt 32(%esp)
fmull _TWO_75@GOTOFF(%ebp)
fstpt 32(%esp)
jmp ..B1.13
..B1.43:
movzwl 14(%esp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.49
..B1.44:
orl $-64768, %edx
movw %dx, 12(%esp)
..B1.45:
fldcw 12(%esp)
..B1.46:
fldt 32(%esp)
fmull _ones@GOTOFF(%ebp)
fstpt (%esp)
..B1.47:
fldcw 14(%esp)
..B1.48:
fldt (%esp)
addl $16, %esp
popl %ebp
popl %ebx
popl %edi
ret
..B1.49:
fldt 32(%esp)
fmull _ones@GOTOFF(%ebp)
fstpt (%esp)
jmp ..B1.48
.align 16,0x90
.type ldexpl,@function
.size ldexpl,.-ldexpl
.data
# -- End ldexpl
.section .rodata, "a"
.align 4
.align 4
_TWO_75:
.long 0
.long 1151336448
.long 0
.long 994050048
.type _TWO_75,@object
.size _TWO_75,16
.align 4
_ones:
.long 0
.long 1072693248
.long 0
.long 3220176896
.type _ones,@object
.size _ones,16
.align 2
_large_value_80:
.word 0
.word 0
.word 0
.word 32768
.word 26383
.word 0
.word 0
.word 0
.word 0
.word 32768
.word 59151
.word 0
.type _large_value_80,@object
.size _large_value_80,24
.align 2
_small_value_80:
.word 0
.word 0
.word 0
.word 32768
.word 6383
.word 0
.word 0
.word 0
.word 0
.word 32768
.word 39151
.word 0
.type _small_value_80,@object
.size _small_value_80,24
.data
.section .note.GNU-stack, ""
# End