/* * 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 "logbl.c" .text ..TXTST0: # -- Begin logbl .text .align 16,0x90 .globl logbl logbl: # parameter 1: 48 + %rsp ..B1.1: .cfi_startproc ..___tag_value_logbl.1: ..L2: subq $40, %rsp .cfi_def_cfa_offset 48 xorb %al, %al ..B1.2: fnstcw 26(%rsp) ..B1.3: movzwl 26(%rsp), %ecx movl %ecx, %edx andl $768, %edx cmpl $768, %edx je ..B1.7 ..B1.4: orl $-64768, %ecx movw %cx, 24(%rsp) ..B1.5: fldcw 24(%rsp) ..B1.6: movb $1, %al ..B1.7: movzwl 56(%rsp), %edx andl $32767, %edx cmpl $32767, %edx je ..B1.16 ..B1.8: testl %edx, %edx jne ..B1.11 ..B1.9: cmpq $0, 48(%rsp) je ..B1.15 ..B1.10: fldt 48(%rsp) lea _TWO_75(%rip), %rdx fmull (%rdx) fstpt 48(%rsp) movzwl 56(%rsp), %ecx andl $32767, %ecx addl $-16458, %ecx movl %ecx, (%rsp) fildl (%rsp) fstpt 8(%rsp) jmp ..B1.12 ..B1.11: addl $-16383, %edx movl %edx, (%rsp) fildl (%rsp) fstpt 8(%rsp) ..B1.12: testb %al, %al je ..B1.14 ..B1.13: fldcw 26(%rsp) ..B1.14: fldt 8(%rsp) addq $40, %rsp .cfi_def_cfa_offset 8 ret .cfi_def_cfa_offset 48 ..B1.15: lea 8+_ones(%rip), %rdx lea _zeros(%rip), %rcx movsd (%rdx), %xmm0 divsd (%rcx), %xmm0 movsd %xmm0, (%rsp) fldl (%rsp) fstpt 8(%rsp) jmp ..B1.12 ..B1.16: fldt 48(%rsp) lea _ones(%rip), %rcx movb 57(%rsp), %dl andb $-128, %dl shrb $7, %dl movzbl %dl, %esi fmull (%rcx,%rsi,8) fstpt 8(%rsp) jmp ..B1.12 .align 16,0x90 .cfi_endproc .type logbl,@function .size logbl,.-logbl .data # -- End logbl .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 .align 4 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .align 4 _zeros: .long 0 .long 0 .long 0 .long 2147483648 .type _zeros,@object .size _zeros,16 .data .section .note.GNU-stack, "" // -- Begin DWARF2 SEGMENT .eh_frame .section .eh_frame,"a",@progbits .eh_frame_seg: .align 1 # End