corda/external/sgx_libm/ia32/scalbf.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

411 lines
10 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 "scalbf.c"
.text
..TXTST0:
# -- Begin scalbf
.text
.align 16,0x90
.globl scalbf
scalbf:
# parameter 1: 32 + %esp
# parameter 2: 36 + %esp
..B1.1:
..L1:
pushl %esi
pushl %edi
pushl %ebx
pushl %ebp
subl $12, %esp
movzwl 34(%esp), %ebx
movl %ebx, %edx
andl $32640, %edx
movzwl 38(%esp), %edi
andl $32640, %edi
shrl $7, %edx
shrl $7, %edi
call ..L2
..L2:
popl %ebp
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%ebp), %ebp
cmpl $255, %edx
je ..B1.48
..B1.2:
cmpl $255, %edi
je ..B1.31
..B1.3:
cmpl $127, %edi
jl ..B1.16
..B1.4:
cmpl $150, %edi
jge ..B1.7
..B1.5:
movl 36(%esp), %esi
movl %edi, %ecx
andl $8388607, %esi
negl %ecx
movl %esi, %eax
addl $22, %ecx
orl $8388608, %eax
addl $10, %edi
shrl %cl, %eax
movl %edi, %ecx
shll %cl, %esi
testl %esi, %esi
je ..B1.8
..B1.6:
fldz
fmuls .L_2il0floatpacket.0@GOTOFF(%ebp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.7:
movl $65536, %eax
..B1.8:
testl %edx, %edx
jne ..B1.11
..B1.9:
testl $8388607, 32(%esp)
je ..B1.15
..B1.10:
flds 32(%esp)
fmuls .L_2il0floatpacket.1@GOTOFF(%ebp)
fstps 32(%esp)
movzwl 34(%esp), %ebx
movl %ebx, %edx
andl $32640, %edx
shrl $7, %edx
addl $-25, %edx
..B1.11:
cmpl $65536, %eax
movzbl 39(%esp), %esi
jle ..L3
movl $65536, %eax
..L3:
movl %eax, %ecx
negl %ecx
testl $128, %esi
jne ..L4
movl %eax, %ecx
..L4:
lea (%edx,%ecx), %eax
testl %eax, %eax
jle ..B1.26
..B1.12:
cmpl $255, %eax
jge ..B1.25
..B1.13:
movzbl %al, %eax
andl $-32641, %ebx
shll $7, %eax
orl %eax, %ebx
movw %bx, 34(%esp)
flds 32(%esp)
..B1.14:
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.15:
flds 32(%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.16:
testl %edi, %edi
jne ..B1.19
..B1.17:
testl $8388607, 36(%esp)
jne ..B1.19
..B1.18:
flds 32(%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.19:
cmpl $255, %edx
jne ..B1.24
..B1.20:
testl %edi, %edi
jg ..B1.22
..B1.21:
fldz
fmuls .L_2il0floatpacket.0@GOTOFF(%ebp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.22:
cmpl $1, %edi
je ..B1.30
..B1.23:
movzbl 35(%esp), %eax
andl $128, %eax
shrl $7, %eax
flds _infs@GOTOFF(%ebp,%eax,4)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.24:
fldz
fmuls .L_2il0floatpacket.0@GOTOFF(%ebp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.25:
movzbl 35(%esp), %eax
andl $128, %eax
shrl $7, %eax
flds _large_value_32@GOTOFF(%ebp,%eax,4)
fmuls .L_2il0floatpacket.2@GOTOFF(%ebp)
fsts (%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.26:
cmpl $-23, %eax
jge ..B1.28
..B1.27:
movzbl 35(%esp), %eax
andl $128, %eax
shrl $7, %eax
flds _small_value_32@GOTOFF(%ebp,%eax,4)
fmuls .L_2il0floatpacket.3@GOTOFF(%ebp)
jmp ..B1.29
..B1.28:
movl 32(%esp), %eax
lea 25(%edx,%ecx), %edx
movl %eax, (%esp)
shrl $16, %eax
movzbl %dl, %edx
andl $-32641, %eax
shll $7, %edx
orl %edx, %eax
movw %ax, 2(%esp)
flds (%esp)
fmuls .L_2il0floatpacket.4@GOTOFF(%ebp)
..B1.29:
fsts (%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.30:
testl $8388607, 36(%esp)
jle ..B1.21
jmp ..B1.23
..B1.31:
testl $8388607, 36(%esp)
jne ..B1.43
..B1.32:
testl %edx, %edx
jne ..B1.38
..B1.33:
testl $8388607, 32(%esp)
jne ..B1.39
..B1.34:
movzbl 39(%esp), %eax
testl $128, %eax
je ..B1.36
..B1.35:
flds 32(%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.36:
fldz
fmuls .L_2il0floatpacket.0@GOTOFF(%ebp)
..B1.37:
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.38:
cmpl $255, %edx
je ..B1.44
..B1.39:
movzbl 35(%esp), %edx
andl $128, %edx
movzbl 39(%esp), %eax
shrl $7, %edx
testl $128, %eax
je ..B1.41
..B1.40:
flds _zeros@GOTOFF(%ebp,%edx,4)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.41:
flds _infs@GOTOFF(%ebp,%edx,4)
..B1.42:
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.43:
flds 32(%esp)
fadds 36(%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.44:
movzbl 39(%esp), %eax
testl $128, %eax
jne ..B1.46
..B1.45:
flds 32(%esp)
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.46:
fldz
fmuls .L_2il0floatpacket.0@GOTOFF(%ebp)
..B1.47:
addl $12, %esp
popl %ebp
popl %ebx
popl %edi
popl %esi
ret
..B1.48:
testl $8388607, 32(%esp)
jne ..B1.43
..B1.49:
cmpl $255, %edi
je ..B1.31
jmp ..B1.16
.align 16,0x90
.type scalbf,@function
.size scalbf,.-scalbf
.data
# -- End scalbf
.section .rodata, "a"
.align 4
.align 4
.L_2il0floatpacket.0:
.long 0x7f800000
.type .L_2il0floatpacket.0,@object
.size .L_2il0floatpacket.0,4
.align 4
.L_2il0floatpacket.1:
.long 0x4c000000
.type .L_2il0floatpacket.1,@object
.size .L_2il0floatpacket.1,4
.align 4
.L_2il0floatpacket.2:
.long 0x71800000
.type .L_2il0floatpacket.2,@object
.size .L_2il0floatpacket.2,4
.align 4
.L_2il0floatpacket.3:
.long 0x0d800000
.type .L_2il0floatpacket.3,@object
.size .L_2il0floatpacket.3,4
.align 4
.L_2il0floatpacket.4:
.long 0x33000000
.type .L_2il0floatpacket.4,@object
.size .L_2il0floatpacket.4,4
.align 4
_infs:
.long 2139095040
.long 4286578688
.type _infs,@object
.size _infs,8
.align 4
_large_value_32:
.long 1904214016
.long 4051697664
.type _large_value_32,@object
.size _large_value_32,8
.align 4
_small_value_32:
.long 226492416
.long 2373976064
.type _small_value_32,@object
.size _small_value_32,8
.align 4
_zeros:
.long 0
.long 2147483648
.type _zeros,@object
.size _zeros,8
.data
.section .note.GNU-stack, ""
# End