/* * 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 "nextafter_gen.c" .text ..TXTST0: # -- Begin nextafter .text .align 16,0x90 .globl nextafter nextafter: # parameter 1: %xmm0 # parameter 2: %xmm1 ..B1.1: .cfi_startproc ..___tag_value_nextafter.1: ..L2: movsd %xmm0, -16(%rsp) movzwl -10(%rsp), %r8d andl $32752, %r8d shrl $4, %r8d movsd %xmm1, -8(%rsp) cmpl $2047, %r8d je ..B1.23 ..B1.2: movzwl -2(%rsp), %edi andl $32752, %edi shrl $4, %edi cmpl $2047, %edi je ..B1.20 ..B1.3: movsd -8(%rsp), %xmm0 movsd -16(%rsp), %xmm1 ucomisd %xmm0, %xmm1 jp ..B1.4 je ..B1.17 ..B1.4: movl -12(%rsp), %edx movl %edx, %eax andl $2147483647, %eax orl -16(%rsp), %eax je ..B1.19 ..B1.5: movl %edx, %eax movl -4(%rsp), %ecx xorl %ecx, %eax movq -16(%rsp), %rsi testl $-2147483648, %eax jne ..B1.11 ..B1.6: cmpl %edi, %r8d jg ..B1.11 ..B1.7: jne ..B1.12 ..B1.8: andl $1048575, %edx andl $1048575, %ecx cmpl %ecx, %edx jg ..B1.11 ..B1.9: jne ..B1.12 ..B1.10: movl -16(%rsp), %eax cmpl -8(%rsp), %eax jbe ..B1.12 ..B1.11: decq %rsi movq %rsi, -16(%rsp) jmp ..B1.13 ..B1.12: incq %rsi movq %rsi, -16(%rsp) ..B1.13: movl -12(%rsp), %edx andl $2147483647, %edx lea -1048576(%rdx), %eax cmpl $2145386496, %eax jb ..B1.18 ..B1.14: cmpl $1048576, %edx jae ..B1.16 ..B1.15: lea _small_value_64(%rip), %rax movsd (%rax), %xmm0 mulsd %xmm0, %xmm0 movsd %xmm0, -24(%rsp) movsd -16(%rsp), %xmm0 ret ..B1.16: lea _large_value_64(%rip), %rax movsd (%rax), %xmm0 mulsd %xmm0, %xmm0 movsd %xmm0, -24(%rsp) movsd -16(%rsp), %xmm0 ..B1.17: ret ..B1.18: movsd -16(%rsp), %xmm0 ret ..B1.19: movb -1(%rsp), %al lea _small_value_64(%rip), %rdi andb $-128, %al lea _smallest_value_64(%rip), %rdx shrb $7, %al movsd (%rdi), %xmm0 mulsd %xmm0, %xmm0 movzbl %al, %ecx movsd %xmm0, -24(%rsp) movq (%rdx,%rcx,8), %rsi movq %rsi, -16(%rsp) jmp ..B1.18 ..B1.20: testl $1048575, -4(%rsp) jne ..B1.22 ..B1.21: cmpl $0, -8(%rsp) je ..B1.3 ..B1.22: movsd -16(%rsp), %xmm0 addsd -8(%rsp), %xmm0 ret ..B1.23: testl $1048575, -12(%rsp) jne ..B1.22 ..B1.24: cmpl $0, -16(%rsp) jne ..B1.22 jmp ..B1.2 .align 16,0x90 .cfi_endproc .type nextafter,@function .size nextafter,.-nextafter .data # -- End nextafter .section .rodata, "a" .align 4 .align 4 _small_value_64: .long 0 .long 24117248 .long 0 .long 2171600896 .type _small_value_64,@object .size _small_value_64,16 .align 4 _large_value_64: .long 0 .long 2121269248 .long 0 .long 4268752896 .type _large_value_64,@object .size _large_value_64,16 .align 4 _smallest_value_64: .long 1 .long 0 .long 1 .long 2147483648 .type _smallest_value_64,@object .size _smallest_value_64,16 .data .section .note.GNU-stack, "" // -- Begin DWARF2 SEGMENT .eh_frame .section .eh_frame,"a",@progbits .eh_frame_seg: .align 1 # End