/* * 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 "scalbln_gen.c" .text ..TXTST0: # -- Begin scalbln .text .align 16,0x90 .globl scalbln scalbln: # parameter 1: %xmm0 # parameter 2: %rdi ..B1.1: .cfi_startproc ..___tag_value_scalbln.1: ..L2: movsd %xmm0, -8(%rsp) movzwl -2(%rsp), %esi movl %esi, %ecx andl $32752, %ecx shrl $4, %ecx cmpl $2047, %ecx je ..B1.17 ..B1.2: xorb %r8b, %r8b testl %ecx, %ecx jne ..B1.7 ..B1.3: testl $1048575, -4(%rsp) jne ..B1.6 ..B1.4: cmpl $0, -8(%rsp) jne ..B1.6 ..B1.5: movsd -8(%rsp), %xmm0 ret ..B1.6: lea _TWO_55(%rip), %rax movb $1, %r8b movsd -8(%rsp), %xmm0 mulsd (%rax), %xmm0 movsd %xmm0, -8(%rsp) movzwl -2(%rsp), %esi movl %esi, %ecx andl $32752, %ecx shrl $4, %ecx addl $-55, %ecx ..B1.7: movl $65536, %eax cmpq $65536, %rdi cmovg %rax, %rdi movq $-65536, %rdx cmpq $-65536, %rdi movslq %ecx, %rcx cmovl %rdx, %rdi addq %rdi, %rcx testl %ecx, %ecx jle ..B1.12 ..B1.8: cmpl $2047, %ecx jge ..B1.11 ..B1.9: andl $2047, %ecx andl $-32753, %esi shll $4, %ecx orl %ecx, %esi movw %si, -2(%rsp) movsd -8(%rsp), %xmm0 ..B1.10: ret ..B1.11: movb -1(%rsp), %al lea _large_value_64(%rip), %rcx andb $-128, %al shrb $7, %al movzbl %al, %edx movsd (%rcx,%rdx,8), %xmm0 mulsd (%rcx), %xmm0 ret ..B1.12: cmpl $-52, %ecx jl ..B1.16 ..B1.13: addl $55, %ecx lea 8+_TWO_55(%rip), %rax andl $2047, %ecx andl $-32753, %esi shll $4, %ecx orl %ecx, %esi movw %si, -2(%rsp) testb %r8b, %r8b movsd -8(%rsp), %xmm0 mulsd (%rax), %xmm0 je ..B1.15 ..B1.14: testq %rdi, %rdi jl ..B1.10 ..B1.15: ret ..B1.16: movb -1(%rsp), %al lea _small_value_64(%rip), %rcx andb $-128, %al shrb $7, %al movzbl %al, %edx movsd (%rcx,%rdx,8), %xmm0 mulsd (%rcx), %xmm0 ret ..B1.17: lea _ones(%rip), %rax movsd -8(%rsp), %xmm0 mulsd (%rax), %xmm0 ret .align 16,0x90 .cfi_endproc .type scalbln,@function .size scalbln,.-scalbln .data # -- End scalbln .section .rodata, "a" .align 4 .align 4 _TWO_55: .long 0 .long 1130364928 .long 0 .long 1015021568 .type _TWO_55,@object .size _TWO_55,16 .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 _small_value_64: .long 0 .long 24117248 .long 0 .long 2171600896 .type _small_value_64,@object .size _small_value_64,16 .align 4 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .data .section .note.GNU-stack, "" // -- Begin DWARF2 SEGMENT .eh_frame .section .eh_frame,"a",@progbits .eh_frame_seg: .align 1 # End