/* * 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 "significandl.c" .text ..TXTST0: # -- Begin significandl .text .align 16,0x90 .globl significandl significandl: # parameter 1: 8 + %ebp ..B1.1: ..L1: pushl %ebp movl %esp, %ebp andl $-16, %esp subl $16, %esp ..B1.2: fnstcw 14(%esp) ..B1.3: movzwl 16(%ebp), %edx movl %edx, %eax andl $32767, %eax cmpl $32767, %eax je ..B1.16 ..B1.4: testl %eax, %eax jne ..B1.14 ..B1.5: cmpl $0, 12(%ebp) jne ..B1.8 ..B1.6: cmpl $0, 8(%ebp) jne ..B1.8 ..B1.7: fldt 8(%ebp) movl %ebp, %esp popl %ebp ret ..B1.8: movzwl 14(%esp), %edx movl %edx, %eax andl $768, %eax cmpl $768, %eax call ..L2 ..L2: popl %eax lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax je ..B1.15 ..B1.9: orl $-64768, %edx movw %dx, 12(%esp) ..B1.10: fldcw 12(%esp) ..B1.11: fldt 8(%ebp) fmull _TWO_75@GOTOFF(%eax) fstpt 8(%ebp) ..B1.12: fldcw 14(%esp) ..B1.13: movzwl 16(%ebp), %eax andl $-32768, %eax orl $-49153, %eax movw %ax, 16(%ebp) fldt 8(%ebp) movl %ebp, %esp popl %ebp ret ..B1.14: andl $-32768, %edx orl $-49153, %edx movw %dx, 16(%ebp) fldt 8(%ebp) movl %ebp, %esp popl %ebp ret ..B1.15: fldt 8(%ebp) fmull _TWO_75@GOTOFF(%eax) fstpt 8(%ebp) jmp ..B1.13 ..B1.16: movzwl 14(%esp), %edx movl %edx, %eax andl $768, %eax cmpl $768, %eax je ..B1.22 ..B1.17: orl $-64768, %edx movw %dx, 12(%esp) ..B1.18: fldcw 12(%esp) ..B1.19: fldt 8(%ebp) fstpt (%esp) ..B1.20: fldcw 14(%esp) ..B1.21: fldt (%esp) movl %ebp, %esp popl %ebp ret ..B1.22: fldt 8(%ebp) fstpt (%esp) jmp ..B1.21 .align 16,0x90 .type significandl,@function .size significandl,.-significandl .data # -- End significandl .section .rodata, "a" .align 4 .align 4 _TWO_75: .long 0 .long 1151336448 .long 0 .long 994050048 .type _TWO_75,@object .size _TWO_75,16 .data .section .note.GNU-stack, "" # End