/* * 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 * History: * 03-14-2016 Initial version. numerics svn rev. 12864 */ .file "copysignl.c" .text ..TXTST0: # -- Begin copysignl .text .align 16,0x90 .globl copysignl copysignl: # parameter 1: 8 + %ebp # parameter 2: 20 + %ebp ..B1.1: ..L1: pushl %ebp movl %esp, %ebp andl $-16, %esp subl $48, %esp fldt 8(%ebp) fstpt 24(%esp) ..B1.2: fnstcw 38(%esp) ..B1.3: movzwl 38(%esp), %edx movl %edx, %eax andl $768, %eax cmpl $768, %eax je ..B1.10 ..B1.4: orl $-64768, %edx movw %dx, 36(%esp) ..B1.5: fldcw 36(%esp) ..B1.6: movl $1, %eax ..B1.7: fldt 20(%ebp) fldt 24(%esp) call ..L2 ..L2: popl %edx lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%edx), %edx movzbl 29(%ebp), %ecx andl $-128, %ecx fldl _ones@GOTOFF(%edx) fmul %st, %st(1) fxch %st(1) fstpt 12(%esp) fmulp %st, %st(1) movzbl 21(%esp), %edx andl $127, %edx orl %ecx, %edx fstpt (%esp) testl %eax, %eax movb %dl, 21(%esp) je ..B1.9 ..B1.8: fldcw 38(%esp) ..B1.9: fldt 12(%esp) movl %ebp, %esp popl %ebp ret ..B1.10: xorl %eax, %eax jmp ..B1.7 .align 16,0x90 .type copysignl,@function .size copysignl,.-copysignl .data # -- End copysignl .section .rodata, "a" .align 4 .align 4 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .data .section .note.GNU-stack, "" # End