/* * 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 "modfl.c" .text ..TXTST0: # -- Begin modfl .text .align 16,0x90 .globl modfl modfl: # parameter 1: 8 + %ebp # parameter 2: 20 + %ebp ..B1.1: ..L1: pushl %ebp movl %esp, %ebp andl $-16, %esp pushl %esi pushl %ebx subl $24, %esp movl 20(%ebp), %edx ..B1.2: fnstcw 14(%esp) ..B1.3: movzwl 16(%ebp), %ecx andl $32767, %ecx call ..L2 ..L2: popl %eax lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%eax), %eax cmpl $16446, %ecx jge ..B1.21 ..B1.4: cmpl $16383, %ecx jl ..B1.16 ..B1.5: fldt 8(%ebp) cmpl $16415, %ecx fstpt (%esp) jge ..B1.7 ..B1.6: negl %ecx movl $-1, %ebx addl $30, %ecx shll %cl, %ebx movl %ebx, %ecx notl %ecx movl 12(%ebp), %esi andl %esi, %ecx andl %ebx, %esi xorl %ebx, %ebx orl 8(%ebp), %ecx movl %esi, 12(%ebp) jmp ..B1.8 ..B1.7: negl %ecx movl $-1, %ebx addl $30, %ecx shll %cl, %ebx movl %ebx, %ecx notl %ecx movl 8(%ebp), %esi andl %esi, %ecx andl %esi, %ebx ..B1.8: movl %ebx, 8(%ebp) testl %ecx, %ecx je ..B1.14 ..B1.9: movzwl 14(%esp), %ecx movl %ecx, %eax andl $768, %eax cmpl $768, %eax je ..B1.23 ..B1.10: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.11: fldcw 12(%esp) ..B1.12: fldt 8(%ebp) fstpt (%edx) fldt (%edx) fldt (%esp) fsubp %st, %st(1) fstpt (%esp) ..B1.13: fldcw 14(%esp) jmp ..B1.15 ..B1.14: fldt 8(%ebp) fstpt (%edx) movzbl 17(%ebp), %edx andl $128, %edx shrl $7, %edx fldl _zeros@GOTOFF(%eax,%edx,8) fstpt (%esp) ..B1.15: fldt (%esp) addl $24, %esp popl %ebx popl %esi movl %ebp, %esp popl %ebp ret ..B1.16: testl %ecx, %ecx jne ..B1.20 ..B1.17: cmpl $0, 12(%ebp) jne ..B1.19 ..B1.18: cmpl $0, 8(%ebp) je ..B1.20 ..B1.19: fldl _smallest_value_64@GOTOFF(%eax) fstpl 16(%esp) ..B1.20: movzbl 17(%ebp), %ecx andl $128, %ecx shrl $7, %ecx fldl _zeros@GOTOFF(%eax,%ecx,8) fstpt (%edx) fldt 8(%ebp) addl $24, %esp popl %ebx popl %esi movl %ebp, %esp popl %ebp ret ..B1.21: cmpl $32767, %ecx je ..B1.24 ..B1.22: fldt 8(%ebp) fstpt (%edx) movzbl 17(%ebp), %edx andl $128, %edx shrl $7, %edx fldl _zeros@GOTOFF(%eax,%edx,8) addl $24, %esp popl %ebx popl %esi movl %ebp, %esp popl %ebp ret ..B1.23: fldt 8(%ebp) fstpt (%edx) fldt (%edx) fldt (%esp) fsubp %st, %st(1) fstpt (%esp) jmp ..B1.15 ..B1.24: cmpl $-2147483648, 12(%ebp) jne ..B1.26 ..B1.25: cmpl $0, 8(%ebp) je ..B1.22 ..B1.26: movzwl 14(%esp), %ebx movl %ebx, %ecx andl $768, %ecx cmpl $768, %ecx je ..B1.32 ..B1.27: orl $-64768, %ebx movw %bx, 12(%esp) ..B1.28: fldcw 12(%esp) ..B1.29: fldt 8(%ebp) fmull _ones@GOTOFF(%eax) fstpt (%esp) fldt (%esp) fstpt (%edx) ..B1.30: fldcw 14(%esp) ..B1.31: fldt (%esp) addl $24, %esp popl %ebx popl %esi movl %ebp, %esp popl %ebp ret ..B1.32: fldt 8(%ebp) fmull _ones@GOTOFF(%eax) fstpt (%esp) fldt (%esp) fstpt (%edx) jmp ..B1.31 .align 16,0x90 .type modfl,@function .size modfl,.-modfl .data # -- End modfl .section .rodata, "a" .align 4 .align 4 _zeros: .long 0 .long 0 .long 0 .long 2147483648 .type _zeros,@object .size _zeros,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 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .data .section .note.GNU-stack, "" # End