corda/external/sgx_libm/ia32/cbrtl.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

375 lines
9.2 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 "cbrtl.c"
.text
..TXTST0:
# -- Begin cbrtl
.text
.align 16,0x90
.globl cbrtl
cbrtl:
# parameter 1: 8 + %ebp
..B1.1:
..L1:
pushl %ebp
movl %esp, %ebp
andl $-16, %esp
pushl %esi
pushl %edi
pushl %ebx
subl $36, %esp
..B1.2:
fnstcw 30(%esp)
..B1.3:
movzwl 16(%ebp), %esi
movl %esi, %ebx
andl $32767, %ebx
movzwl 30(%esp), %ecx
cmpl $32767, %ebx
je ..B1.23
..B1.4:
movl %ecx, %edx
movzbl 17(%ebp), %eax
andl $768, %edx
andl $128, %eax
shrl $7, %eax
cmpl $768, %edx
je ..B1.22
..B1.5:
orl $-64768, %ecx
movw %cx, 28(%esp)
..B1.6:
fldcw 28(%esp)
..B1.7:
movzwl 16(%ebp), %esi
movl %esi, %ebx
movl $1, %edi
andl $32767, %ebx
..B1.8:
call ..L2
..L2:
popl %ecx
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ecx), %ecx
testl %ebx, %ebx
jne ..B1.15
..B1.9:
cmpl $0, 12(%ebp)
jne ..B1.14
..B1.10:
cmpl $0, 8(%ebp)
jne ..B1.14
..B1.11:
fldl _zeros@GOTOFF(%ecx,%eax,8)
testl %edi, %edi
fstpl (%esp)
je ..B1.13
..B1.12:
fldcw 30(%esp)
..B1.13:
fldl (%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.14:
fldt 8(%ebp)
movl $-25, %edx
fmull _TWO_75@GOTOFF(%ecx)
fstpt 8(%ebp)
movzwl 16(%ebp), %esi
movl %esi, %ebx
andl $32767, %ebx
jmp ..B1.16
..B1.15:
xorl %edx, %edx
..B1.16:
fldl ones@GOTOFF(%ecx,%eax,8)
andl $-32768, %esi
imull $21845, %ebx, %eax
orl $-49153, %esi
fstpt (%esp)
fldt (%esp)
fldl _TWO_32H@GOTOFF(%ecx)
fld %st(0)
fldt .L_2il0floatpacket.0@GOTOFF(%ecx)
movw %si, 16(%ebp)
addl $21845, %eax
fldt 8(%ebp)
fmulp %st, %st(4)
shrl $16, %eax
fxch %st(1)
fadd %st(3), %st
movl %edi, 12(%esp)
lea (%eax,%eax), %edi
subl %edi, %ebx
lea 10922(%edx,%eax), %edx
movl 12(%ebp), %edi
fsubp %st, %st(2)
shrl $23, %edi
fxch %st(1)
fsubr %st, %st(2)
fldt 72+_P@GOTOFF(%ecx)
fldt 48+_P@GOTOFF(%ecx)
andl $255, %edi
movzwl 8(%esp), %esi
andl $-32768, %esi
orl %edx, %esi
flds __libm_rcp_table_256@GOTOFF(%ecx,%edi,4)
fld %st(0)
fmulp %st, %st(4)
shll $4, %edi
fxch %st(3)
fsub %st(4), %st
fxch %st(3)
fmulp %st, %st(5)
movw %si, 8(%esp)
subl %eax, %ebx
fxch %st(4)
faddp %st, %st(2)
fld %st(1)
fmul %st(2), %st
fmul %st, %st(1)
fxch %st(4)
faddp %st, %st(1)
fmul %st(3), %st
fxch %st(1)
fstpt 8(%ebp)
fldt 8(%ebp)
fldt 24+_P@GOTOFF(%ecx)
faddp %st, %st(2)
fxch %st(1)
fmul %st(3), %st
fmul %st(1), %st
fldt 60+_P@GOTOFF(%ecx)
fmul %st(4), %st
fldt 36+_P@GOTOFF(%ecx)
faddp %st, %st(1)
fmul %st(4), %st
fldt 12+_P@GOTOFF(%ecx)
faddp %st, %st(1)
fmulp %st, %st(4)
faddp %st, %st(3)
fldt _P@GOTOFF(%ecx)
fmulp %st, %st(1)
faddp %st, %st(2)
fadd %st(1), %st
fstpt 16(%esp)
fldl 8+__libm_cbrtl_table_256@GOTOFF(%ecx,%edi)
fldl __libm_cbrtl_table_256@GOTOFF(%ecx,%edi)
fldt (%esp)
movl 12(%esp), %edi
jne ..B1.18
..B1.17:
fldt 16(%esp)
fmulp %st, %st(3)
fxch %st(1)
fmul %st, %st(3)
fxch %st(3)
faddp %st, %st(2)
fxch %st(2)
faddp %st, %st(1)
fmulp %st, %st(1)
fstpt 16(%esp)
jmp ..B1.19
..B1.18:
fxch %st(2)
fmull -8+_SH@GOTOFF(%ecx,%ebx,8)
fldl 24+_SH@GOTOFF(%ecx,%ebx,8)
fmul %st(2), %st
faddp %st, %st(1)
fxch %st(1)
fmull 8+_SH@GOTOFF(%ecx,%ebx,8)
fmul %st, %st(3)
fldt 16(%esp)
fmulp %st, %st(2)
fxch %st(3)
faddp %st, %st(1)
faddp %st, %st(2)
fmulp %st, %st(1)
fstpt 16(%esp)
..B1.19:
testl %edi, %edi
je ..B1.21
..B1.20:
fldcw 30(%esp)
..B1.21:
fldt 16(%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.22:
xorl %edi, %edi
jmp ..B1.8
..B1.23:
movl %ecx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.29
..B1.24:
orl $-64768, %ecx
movw %cx, 28(%esp)
..B1.25:
fldcw 28(%esp)
..B1.26:
fldt 8(%ebp)
fstpt (%esp)
..B1.27:
fldcw 30(%esp)
..B1.28:
fldt (%esp)
addl $36, %esp
popl %ebx
popl %edi
popl %esi
movl %ebp, %esp
popl %ebp
ret
..B1.29:
fldt 8(%ebp)
fstpt (%esp)
jmp ..B1.28
.align 16,0x90
.type cbrtl,@function
.size cbrtl,.-cbrtl
.data
# -- End cbrtl
.section .rodata, "a"
.align 16
.align 16
.L_2il0floatpacket.0:
.byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xff,0x3f,0x00,0x00
.type .L_2il0floatpacket.0,@object
.size .L_2il0floatpacket.0,12
.space 4, 0x00 # pad
.align 8
ones:
.long 0x00000000,0x3ff00000
.long 0x00000000,0xbff00000
.type ones,@object
.size ones,16
.align 8
_SH:
.long 0xf98d728b,0x3ff428a2
.long 0xa53d6e3d,0x3ff965fe
.long 0xf8000000,0x3ff428a2
.long 0xa4000000,0x3ff965fe
.long 0xae223ddb,0x3e38d728
.long 0xc82b059a,0x3e33d6e3
.type _SH,@object
.size _SH,48
.align 4
_zeros:
.long 0
.long 0
.long 0
.long 2147483648
.type _zeros,@object
.size _zeros,16
.align 4
_TWO_75:
.long 0
.long 1151336448
.long 0
.long 994050048
.type _TWO_75,@object
.size _TWO_75,16
.align 4
_TWO_32H:
.long 0
.long 1106771968
.type _TWO_32H,@object
.size _TWO_32H,8
.align 2
_P:
.word 43691
.word 43690
.word 43690
.word 43690
.word 16381
.word 0
.word 58320
.word 36408
.word 14563
.word 58254
.word 49147
.word 0
.word 50474
.word 25890
.word 59872
.word 64726
.word 16378
.word 0
.word 45217
.word 37017
.word 18069
.word 43151
.word 49146
.word 0
.word 45059
.word 7616
.word 35240
.word 63288
.word 16377
.word 0
.word 54522
.word 17175
.word 48475
.word 49224
.word 49145
.word 0
.word 568
.word 55426
.word 44619
.word 39848
.word 16377
.word 0
.type _P,@object
.size _P,84
.data
.hidden __libm_rcp_table_256
.hidden __libm_cbrtl_table_256
.section .note.GNU-stack, ""
# End