corda/external/sgx_libm/intel64/scalbnf.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
5.1 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 "scalbnf.c"
.text
..TXTST0:
# -- Begin scalbnf
.text
.align 16,0x90
.globl scalbnf
scalbnf:
# parameter 1: %xmm0
# parameter 2: %edi
..B1.1:
.cfi_startproc
..___tag_value_scalbnf.1:
..L2:
movl %edi, %r8d
movss %xmm0, -8(%rsp)
movzwl -6(%rsp), %eax
movl %eax, %esi
andl $32640, %esi
shrl $7, %esi
cmpl $255, %esi
je ..B1.9
..B1.2:
xorb %dil, %dil
testl %esi, %esi
jne ..B1.5
..B1.3:
testl $8388607, -8(%rsp)
je ..B1.9
..B1.4:
movss -8(%rsp), %xmm0
movb $1, %dil
mulss .L_2il0floatpacket.0(%rip), %xmm0
movss %xmm0, -8(%rsp)
movzwl -6(%rsp), %eax
movl %eax, %esi
andl $32640, %esi
shrl $7, %esi
addl $-25, %esi
..B1.5:
movl $65536, %edx
cmpl $65536, %r8d
cmovg %edx, %r8d
movl $-65536, %ecx
cmpl $-65536, %r8d
cmovle %ecx, %r8d
lea (%rsi,%r8), %edx
testl %edx, %edx
jle ..B1.11
..B1.6:
cmpl $255, %edx
jge ..B1.10
..B1.7:
movzbl %dl, %edx
andl $-32641, %eax
shll $7, %edx
orl %edx, %eax
movw %ax, -6(%rsp)
movss -8(%rsp), %xmm0
..B1.8:
ret
..B1.9:
movss -8(%rsp), %xmm0
ret
..B1.10:
movb -5(%rsp), %al
lea _large_value_32(%rip), %rdx
andb $-128, %al
shrb $7, %al
movzbl %al, %ecx
movss (%rdx,%rcx,4), %xmm0
mulss .L_2il0floatpacket.1(%rip), %xmm0
ret
..B1.11:
cmpl $-23, %edx
jl ..B1.15
..B1.12:
andl $-32641, %eax
lea 25(%rsi,%r8), %edx
movzbl %dl, %edx
shll $7, %edx
orl %edx, %eax
movw %ax, -6(%rsp)
testb %dil, %dil
movss -8(%rsp), %xmm0
mulss .L_2il0floatpacket.3(%rip), %xmm0
je ..B1.14
..B1.13:
testl %r8d, %r8d
jl ..B1.8
..B1.14:
ret
..B1.15:
movb -5(%rsp), %al
lea _small_value_32(%rip), %rdx
andb $-128, %al
shrb $7, %al
movzbl %al, %ecx
movss (%rdx,%rcx,4), %xmm0
mulss .L_2il0floatpacket.2(%rip), %xmm0
ret
.align 16,0x90
.cfi_endproc
.type scalbnf,@function
.size scalbnf,.-scalbnf
.data
# -- End scalbnf
.section .rodata, "a"
.align 4
.align 4
.L_2il0floatpacket.0:
.long 0x4c000000
.type .L_2il0floatpacket.0,@object
.size .L_2il0floatpacket.0,4
.align 4
.L_2il0floatpacket.1:
.long 0x71800000
.type .L_2il0floatpacket.1,@object
.size .L_2il0floatpacket.1,4
.align 4
.L_2il0floatpacket.2:
.long 0x0d800000
.type .L_2il0floatpacket.2,@object
.size .L_2il0floatpacket.2,4
.align 4
.L_2il0floatpacket.3:
.long 0x33000000
.type .L_2il0floatpacket.3,@object
.size .L_2il0floatpacket.3,4
.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
.data
.section .note.GNU-stack, ""
// -- Begin DWARF2 SEGMENT .eh_frame
.section .eh_frame,"a",@progbits
.eh_frame_seg:
.align 1
# End