corda/external/sgx_libm/intel64/ceill.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

258 lines
6.2 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 "ceill.c"
.text
..TXTST0:
# -- Begin ceill
.text
.align 16,0x90
.globl ceill
ceill:
# parameter 1: 48 + %rsp
..B1.1:
.cfi_startproc
..___tag_value_ceill.1:
..L2:
subq $40, %rsp
.cfi_def_cfa_offset 48
xorb %cl, %cl
..B1.2:
fnstcw 26(%rsp)
..B1.3:
movzwl 56(%rsp), %eax
andl $32767, %eax
cmpl $16445, %eax
jge ..B1.20
..B1.4:
cmpl $16383, %eax
jl ..B1.15
..B1.5:
movzwl 26(%rsp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.9
..B1.6:
orl $-64768, %edx
movw %dx, 24(%rsp)
..B1.7:
fldcw 24(%rsp)
..B1.8:
movb $1, %cl
..B1.9:
fldt 48(%rsp)
lea _TWO_63H(%rip), %rax
fld %st(0)
fldl (%rax)
fadd %st, %st(1)
fsubrp %st, %st(1)
fstpt 8(%rsp)
fldt 8(%rsp)
fcomip %st(1), %st
fstp %st(0)
jae ..B1.12
jp ..B1.12
..B1.10:
fldt 8(%rsp)
lea _ones(%rip), %rax
faddl (%rax)
fstpt 8(%rsp)
..B1.12:
testb %cl, %cl
je ..B1.14
..B1.13:
fldcw 26(%rsp)
..B1.14:
fldt 8(%rsp)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.15:
testl %eax, %eax
jne ..B1.19
..B1.16:
cmpq $0, 48(%rsp)
jne ..B1.18
..B1.17:
fldt 48(%rsp)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.18:
lea _smallest_value_64(%rip), %rax
movq (%rax), %rdx
movq %rdx, (%rsp)
..B1.19:
movb 57(%rsp), %al
lea _pone_nzero(%rip), %rdx
andb $-128, %al
shrb $7, %al
movzbl %al, %ecx
fldl (%rdx,%rcx,8)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.20:
cmpl $16446, %eax
jge ..B1.29
..B1.21:
testb $1, 48(%rsp)
je ..B1.28
..B1.22:
movzwl 26(%rsp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.35
..B1.23:
orl $-64768, %edx
movw %dx, 24(%rsp)
..B1.24:
fldcw 24(%rsp)
..B1.25:
fldt 48(%rsp)
lea _halfs(%rip), %rax
faddl (%rax)
fstpt 8(%rsp)
..B1.26:
fldcw 26(%rsp)
..B1.27:
fldt 8(%rsp)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.28:
fldt 48(%rsp)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.29:
movzwl 26(%rsp), %edx
movl %edx, %eax
andl $768, %eax
cmpl $768, %eax
je ..B1.36
..B1.30:
orl $-64768, %edx
movw %dx, 24(%rsp)
..B1.31:
fldcw 24(%rsp)
..B1.32:
fldt 48(%rsp)
lea _ones(%rip), %rax
fmull (%rax)
fstpt 8(%rsp)
..B1.33:
fldcw 26(%rsp)
..B1.34:
fldt 8(%rsp)
addq $40, %rsp
.cfi_def_cfa_offset 8
ret
.cfi_def_cfa_offset 48
..B1.35:
fldt 48(%rsp)
lea _halfs(%rip), %rax
faddl (%rax)
fstpt 8(%rsp)
jmp ..B1.27
..B1.36:
fldt 48(%rsp)
lea _ones(%rip), %rax
fmull (%rax)
fstpt 8(%rsp)
jmp ..B1.34
.align 16,0x90
.cfi_endproc
.type ceill,@function
.size ceill,.-ceill
.data
# -- End ceill
.section .rodata, "a"
.align 4
.align 4
_TWO_63H:
.long 0
.long 1139277824
.type _TWO_63H,@object
.size _TWO_63H,8
.align 4
_ones:
.long 0
.long 1072693248
.long 0
.long 3220176896
.type _ones,@object
.size _ones,16
.align 4
_smallest_value_64:
.long 1
.long 0
.long 1
.long 2147483648
.type _smallest_value_64,@object
.size _smallest_value_64,16
.align 4
_pone_nzero:
.long 0
.long 1072693248
.long 0
.long 2147483648
.type _pone_nzero,@object
.size _pone_nzero,16
.align 4
_halfs:
.long 0
.long 1071644672
.long 0
.long 3219128320
.type _halfs,@object
.size _halfs,16
.data
.section .note.GNU-stack, ""
// -- Begin DWARF2 SEGMENT .eh_frame
.section .eh_frame,"a",@progbits
.eh_frame_seg:
.align 1
# End