/* * 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 "logbf.c" .text ..TXTST0: # -- Begin logbf .text .align 16,0x90 .globl logbf logbf: # parameter 1: %xmm0 ..B1.1: .cfi_startproc ..___tag_value_logbf.1: ..L2: movd %xmm0, %eax movss %xmm0, -8(%rsp) movl %eax, %edx andl $2147483647, %edx addl $-8388608, %edx cmpl $2130706432, %edx jb ..B1.7 ..B1.2: testl %edx, %edx jge ..B1.6 ..B1.3: cmpl $-8388608, %edx je ..B1.8 ..B1.4: movss -8(%rsp), %xmm0 mulss .L_2il0floatpacket.1(%rip), %xmm0 movd %xmm0, %eax movss %xmm0, -8(%rsp) pxor %xmm0, %xmm0 andl $2147483647, %eax shrl $23, %eax addl $-152, %eax cvtsi2ss %eax, %xmm0 ..B1.5: ret ..B1.6: lea _ones(%rip), %rdx shrl $31, %eax movss (%rdx,%rax,4), %xmm1 mulss %xmm1, %xmm0 ret ..B1.7: shrl $23, %edx pxor %xmm0, %xmm0 addl $-126, %edx cvtsi2ss %edx, %xmm0 ret ..B1.8: movss .L_2il0floatpacket.0(%rip), %xmm0 pxor %xmm1, %xmm1 divss %xmm1, %xmm0 ret .align 16,0x90 .cfi_endproc .type logbf,@function .size logbf,.-logbf .data # -- End logbf .section .rodata, "a" .align 4 .align 4 .L_2il0floatpacket.0: .long 0xbf800000 .type .L_2il0floatpacket.0,@object .size .L_2il0floatpacket.0,4 .align 4 .L_2il0floatpacket.1: .long 0x4c000000 .type .L_2il0floatpacket.1,@object .size .L_2il0floatpacket.1,4 .align 4 _ones: .long 1065353216 .long 3212836864 .type _ones,@object .size _ones,8 .data .section .note.GNU-stack, "" // -- Begin DWARF2 SEGMENT .eh_frame .section .eh_frame,"a",@progbits .eh_frame_seg: .align 1 # End