corda/external/sgx_libm/ia32/feraiseexcept.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

186 lines
4.6 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 "feraiseexcept.c"
.text
..TXTST0:
# -- Begin feraiseexcept
.text
.align 16,0x90
.globl feraiseexcept
feraiseexcept:
# parameter 1: 16 + %esp
..B1.1:
..L1:
subl $12, %esp
movl 16(%esp), %eax
testb $1, %al
call ..L2
..L2:
popl %edx
lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%edx), %edx
je ..B1.3
..B1.2:
flds d_zero@GOTOFF(%edx)
fwait
flds d_zero@GOTOFF(%edx)
fwait
fdivrp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.3:
testb $4, %al
je ..B1.5
..B1.4:
movl p_one@GOTOFF(%edx), %ecx
flds (%ecx)
fwait
movl p_zero@GOTOFF(%edx), %ecx
flds (%ecx)
fwait
fdivrp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.5:
testb $2, %al
je ..B1.7
..B1.6:
flds d_tiny@GOTOFF(%edx)
fwait
flds d_tiny@GOTOFF(%edx)
fwait
faddp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.7:
testb $8, %al
je ..B1.9
..B1.8:
flds d_huge@GOTOFF(%edx)
fwait
flds d_huge@GOTOFF(%edx)
fwait
fmulp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.9:
testb $16, %al
je ..B1.11
..B1.10:
flds d_norm@GOTOFF(%edx)
fwait
flds d_norm@GOTOFF(%edx)
fwait
fmulp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.11:
testb $32, %al
je ..B1.13
..B1.12:
movl p_one@GOTOFF(%edx), %eax
movl p_norm@GOTOFF(%edx), %edx
flds (%eax)
fwait
flds (%edx)
fwait
faddp %st, %st(1)
fwait
fstps (%esp)
fwait
..B1.13:
xorl %eax, %eax
addl $12, %esp
ret
.align 16,0x90
.type feraiseexcept,@function
.size feraiseexcept,.-feraiseexcept
.data
# -- End feraiseexcept
.section .rodata, "a"
.align 4
.align 4
d_zero:
.long 0
.type d_zero,@object
.size d_zero,4
.align 4
d_one:
.long 1065353216
.type d_one,@object
.size d_one,4
.align 4
d_tiny:
.long 8388607
.type d_tiny,@object
.size d_tiny,4
.align 4
d_huge:
.long 2139095039
.type d_huge,@object
.size d_huge,4
.align 4
d_norm:
.long 8388608
.type d_norm,@object
.size d_norm,4
.section .data.rel.ro.local, "aw",@progbits
.align 4
.align 4
p_one:
.long d_one
.type p_one,@object
.size p_one,4
.align 4
p_zero:
.long d_zero
.type p_zero,@object
.size p_zero,4
.align 4
p_norm:
.long d_norm
.type p_norm,@object
.size p_norm,4
.data
.section .note.GNU-stack, ""
# End