/* * 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 "llrintf.c" .text ..TXTST0: # -- Begin llrintf .text .align 16,0x90 .globl llrintf llrintf: # parameter 1: 32 + %esp ..B1.1: ..L1: pushl %ebx pushl %ebp subl $20, %esp movl 32(%esp), %ebp movl %ebp, %ebx andl $2147483647, %ebx cmpl $1585446912, %ebx jae ..B1.4 ..B1.2: flds 32(%esp) fistpll 8(%esp) ..B1.3: movl 8(%esp), %eax movl 12(%esp), %edx addl $20, %esp popl %ebp popl %ebx ret ..B1.4: cmpl $1602224128, %ebx jae ..B1.7 ..B1.5: shrl $31, %ebp movl %ebx, %ecx shrl $23, %ecx andl $8388607, %ebx movl %ebp, %eax orl $8388608, %ebx xorl %edx, %edx addl $-1, %eax adcl $2147483647, %edx addl $10, %ecx shll %cl, %ebx xorl %ecx, %ecx subl %eax, %ecx movl %ebx, %eax sbbl %edx, %eax jb ..B1.6 ..B1.10: orl %eax, %ecx jne ..B1.7 ..B1.6: movl %ebx, %edx xorl %eax, %eax negl %edx testl %ebp, %ebp jne ..L2 movl %ebx, %edx ..L2: addl $20, %esp popl %ebp popl %ebx ret ..B1.7: call ..L3 ..L3: popl %eax lea _GLOBAL_OFFSET_TABLE_+[. - ..L3](%eax), %eax movl $-2147483648, %edx movl $0, 8(%esp) movl $-2147483648, 12(%esp) fldl _infs@GOTOFF(%eax) fmull _zeros@GOTOFF(%eax) xorl %eax, %eax fstpl (%esp) addl $20, %esp popl %ebp popl %ebx ret .align 16,0x90 .type llrintf,@function .size llrintf,.-llrintf .data # -- End llrintf .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 .data .section .note.GNU-stack, "" # End