/* * 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 "frexpl.c" .text ..TXTST0: # -- Begin frexpl .text .align 16,0x90 .globl frexpl frexpl: # parameter 1: 32 + %rsp # parameter 2: %rdi ..B1.1: .cfi_startproc ..___tag_value_frexpl.1: ..L2: subq $24, %rsp .cfi_def_cfa_offset 32 ..B1.2: fnstcw 18(%rsp) ..B1.3: movzwl 40(%rsp), %edx movl %edx, %eax andl $32767, %eax cmpl $32767, %eax je ..B1.15 ..B1.4: testl %eax, %eax jne ..B1.13 ..B1.5: cmpq $0, 32(%rsp) je ..B1.12 ..B1.6: movzwl 18(%rsp), %edx movl %edx, %eax andl $768, %eax cmpl $768, %eax je ..B1.14 ..B1.7: orl $-64768, %edx movl $0, (%rdi) movw %dx, 16(%rsp) ..B1.8: fldcw 16(%rsp) ..B1.9: fldt 32(%rsp) lea _TWO_75(%rip), %rax fmull (%rax) fstpt 32(%rsp) ..B1.10: fldcw 18(%rsp) ..B1.11: movzwl 40(%rsp), %edx movl %edx, %eax andl $-32768, %edx andl $32767, %eax orl $-49154, %edx addl $-16457, %eax movw %dx, 40(%rsp) fldt 32(%rsp) movl %eax, (%rdi) addq $24, %rsp .cfi_def_cfa_offset 8 ret .cfi_def_cfa_offset 32 ..B1.12: fldt 32(%rsp) movl $0, (%rdi) addq $24, %rsp .cfi_def_cfa_offset 8 ret .cfi_def_cfa_offset 32 ..B1.13: andl $-32768, %edx addl $-16382, %eax orl $-49154, %edx movw %dx, 40(%rsp) fldt 32(%rsp) movl %eax, (%rdi) addq $24, %rsp .cfi_def_cfa_offset 8 ret .cfi_def_cfa_offset 32 ..B1.14: fldt 32(%rsp) lea _TWO_75(%rip), %rax fmull (%rax) fstpt 32(%rsp) jmp ..B1.11 ..B1.15: movzwl 18(%rsp), %edx movl %edx, %eax andl $768, %eax movl $0, (%rdi) cmpl $768, %eax je ..B1.21 ..B1.16: orl $-64768, %edx movw %dx, 16(%rsp) ..B1.17: fldcw 16(%rsp) ..B1.18: fldt 32(%rsp) fstpt (%rsp) ..B1.19: fldcw 18(%rsp) ..B1.20: fldt (%rsp) addq $24, %rsp .cfi_def_cfa_offset 8 ret .cfi_def_cfa_offset 32 ..B1.21: fldt 32(%rsp) fstpt (%rsp) jmp ..B1.20 .align 16,0x90 .cfi_endproc .type frexpl,@function .size frexpl,.-frexpl .data # -- End frexpl .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 .data .section .note.GNU-stack, "" // -- Begin DWARF2 SEGMENT .eh_frame .section .eh_frame,"a",@progbits .eh_frame_seg: .align 1 # End