/* * 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 "floorl.c" .text ..TXTST0: # -- Begin floorl .text .align 16,0x90 .globl floorl floorl: # parameter 1: 8 + %ebp ..B1.1: ..L1: pushl %ebp movl %esp, %ebp andl $-16, %esp subl $32, %esp ..B1.2: fnstcw 14(%esp) ..B1.3: movzwl 16(%ebp), %eax andl $32767, %eax call ..L2 ..L2: popl %edx lea _GLOBAL_OFFSET_TABLE_+[. - ..L2](%edx), %edx cmpl $16445, %eax jge ..B1.21 ..B1.4: cmpl $16383, %eax jl ..B1.15 ..B1.5: movzwl 14(%esp), %ecx movl %ecx, %eax andl $768, %eax cmpl $768, %eax je ..B1.36 ..B1.6: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.7: fldcw 12(%esp) ..B1.8: movl $1, %ecx ..B1.9: fldt 8(%ebp) fld %st(0) fldl _TWO_63H@GOTOFF(%edx) fadd %st, %st(1) fsubrp %st, %st(1) fstpt (%esp) fldt (%esp) fcompp fnstsw %ax sahf jbe ..B1.12 ..B1.10: fldt (%esp) faddl 8+_ones@GOTOFF(%edx) fstpt (%esp) ..B1.12: testl %ecx, %ecx je ..B1.14 ..B1.13: fldcw 14(%esp) ..B1.14: fldt (%esp) movl %ebp, %esp popl %ebp ret ..B1.15: testl %eax, %eax jne ..B1.20 ..B1.16: cmpl $0, 12(%ebp) jne ..B1.19 ..B1.17: cmpl $0, 8(%ebp) jne ..B1.19 ..B1.18: fldt 8(%ebp) movl %ebp, %esp popl %ebp ret ..B1.19: fldl _smallest_value_64@GOTOFF(%edx) fstpl 16(%esp) ..B1.20: movzbl 17(%ebp), %eax andl $128, %eax shrl $7, %eax fldl _pzero_none@GOTOFF(%edx,%eax,8) movl %ebp, %esp popl %ebp ret ..B1.21: cmpl $16446, %eax jge ..B1.30 ..B1.22: testb $1, 8(%ebp) je ..B1.29 ..B1.23: movzwl 14(%esp), %ecx movl %ecx, %eax andl $768, %eax cmpl $768, %eax je ..B1.37 ..B1.24: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.25: fldcw 12(%esp) ..B1.26: fldt 8(%ebp) faddl 8+_halfs@GOTOFF(%edx) fstpt (%esp) ..B1.27: fldcw 14(%esp) ..B1.28: fldt (%esp) movl %ebp, %esp popl %ebp ret ..B1.29: fldt 8(%ebp) movl %ebp, %esp popl %ebp ret ..B1.30: movzwl 14(%esp), %ecx movl %ecx, %eax andl $768, %eax cmpl $768, %eax je ..B1.38 ..B1.31: orl $-64768, %ecx movw %cx, 12(%esp) ..B1.32: fldcw 12(%esp) ..B1.33: fldt 8(%ebp) fmull _ones@GOTOFF(%edx) fstpt (%esp) ..B1.34: fldcw 14(%esp) ..B1.35: fldt (%esp) movl %ebp, %esp popl %ebp ret ..B1.36: xorl %ecx, %ecx jmp ..B1.9 ..B1.37: fldt 8(%ebp) faddl 8+_halfs@GOTOFF(%edx) fstpt (%esp) jmp ..B1.28 ..B1.38: fldt 8(%ebp) fmull _ones@GOTOFF(%edx) fstpt (%esp) jmp ..B1.35 .align 16,0x90 .type floorl,@function .size floorl,.-floorl .data # -- End floorl .section .rodata, "a" .align 4 .align 4 _TWO_63H: .long 0 .long 1139277824 .type _TWO_63H,@object .size _TWO_63H,8 .align 4 _ones: .long 0 .long 1072693248 .long 0 .long 3220176896 .type _ones,@object .size _ones,16 .align 4 _smallest_value_64: .long 1 .long 0 .long 1 .long 2147483648 .type _smallest_value_64,@object .size _smallest_value_64,16 .align 4 _pzero_none: .long 0 .long 0 .long 0 .long 3220176896 .type _pzero_none,@object .size _pzero_none,16 .align 4 _halfs: .long 0 .long 1071644672 .long 0 .long 3219128320 .type _halfs,@object .size _halfs,16 .data .section .note.GNU-stack, "" # End