/* * 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 "sqrtl.c" .text ..TXTST0: # -- Begin sqrtl .text .align 16,0x90 .globl sqrtl sqrtl: # parameter 1: 32 + %esp ..B1.1: ..L1: subl $28, %esp ..B1.2: fnstcw 14(%esp) ..B1.3: movzwl 40(%esp), %ecx andl $32767, %ecx call ..L2 ..L2: popl %eax lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax cmpl $32767, %ecx je ..B1.26 ..B1.4: movzbl 41(%esp), %edx testl $128, %edx jne ..B1.14 ..B1.5: movzwl 14(%esp), %edx movl %edx, %eax andl $768, %eax cmpl $768, %eax je ..B1.13 ..B1.6: orl $-64768, %edx movw %dx, 12(%esp) ..B1.7: fldcw 12(%esp) ..B1.8: movl $1, %eax ..B1.9: fldt 32(%esp) fsqrt fstpt (%esp) ..B1.10: testl %eax, %eax je ..B1.12 ..B1.11: fldcw 14(%esp) ..B1.12: fldt (%esp) addl $28, %esp ret ..B1.13: xorl %eax, %eax jmp ..B1.9 ..B1.14: testl %ecx, %ecx jne ..B1.18 ..B1.15: cmpl $0, 36(%esp) jne ..B1.18 ..B1.16: cmpl $0, 32(%esp) jne ..B1.18 ..B1.17: fldt 32(%esp) addl $28, %esp ret ..B1.18: movzwl 14(%esp), %ecx movl %ecx, %edx andl $768, %edx cmpl $768, %edx je ..B1.25 ..B1.19: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.20: fldcw 12(%esp) ..B1.21: movl $1, %edx ..B1.22: fldl _infs@GOTOFF(%eax) testl %edx, %edx fmull _zeros@GOTOFF(%eax) fstpt (%esp) je ..B1.24 ..B1.23: fldcw 14(%esp) ..B1.24: fldt (%esp) addl $28, %esp ret ..B1.25: xorl %edx, %edx jmp ..B1.22 ..B1.26: cmpl $-2147483648, 36(%esp) jne ..B1.28 ..B1.27: cmpl $0, 32(%esp) je ..B1.4 ..B1.28: movzwl 14(%esp), %ecx movl %ecx, %edx andl $768, %edx cmpl $768, %edx je ..B1.34 ..B1.29: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.30: fldcw 12(%esp) ..B1.31: fldt 32(%esp) fmull _ones@GOTOFF(%eax) fstpt (%esp) ..B1.32: fldcw 14(%esp) ..B1.33: fldt (%esp) addl $28, %esp ret ..B1.34: fldt 32(%esp) fmull _ones@GOTOFF(%eax) fstpt (%esp) jmp ..B1.33 .align 16,0x90 .type sqrtl,@function .size sqrtl,.-sqrtl .data # -- End sqrtl .section .rodata, "a" .align 4 .align 4 _infs: .long 0 .long 2146435072 .long 0 .long 4293918720 .type _infs,@object .size _infs,16 .align 4 _zeros: .long 0 .long 0 .long 0 .long 2147483648 .type _zeros,@object .size _zeros,16 .align 4 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .data .section .note.GNU-stack, "" # End