1*5d9d9091SRichard Lowe/* 2*5d9d9091SRichard Lowe * CDDL HEADER START 3*5d9d9091SRichard Lowe * 4*5d9d9091SRichard Lowe * The contents of this file are subject to the terms of the 5*5d9d9091SRichard Lowe * Common Development and Distribution License (the "License"). 6*5d9d9091SRichard Lowe * You may not use this file except in compliance with the License. 7*5d9d9091SRichard Lowe * 8*5d9d9091SRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*5d9d9091SRichard Lowe * or http://www.opensolaris.org/os/licensing. 10*5d9d9091SRichard Lowe * See the License for the specific language governing permissions 11*5d9d9091SRichard Lowe * and limitations under the License. 12*5d9d9091SRichard Lowe * 13*5d9d9091SRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each 14*5d9d9091SRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*5d9d9091SRichard Lowe * If applicable, add the following below this CDDL HEADER, with the 16*5d9d9091SRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying 17*5d9d9091SRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner] 18*5d9d9091SRichard Lowe * 19*5d9d9091SRichard Lowe * CDDL HEADER END 20*5d9d9091SRichard Lowe */ 21*5d9d9091SRichard Lowe/* 22*5d9d9091SRichard Lowe * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23*5d9d9091SRichard Lowe */ 24*5d9d9091SRichard Lowe/* 25*5d9d9091SRichard Lowe * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26*5d9d9091SRichard Lowe * Use is subject to license terms. 27*5d9d9091SRichard Lowe */ 28*5d9d9091SRichard Lowe 29*5d9d9091SRichard Lowe .file "floorl.s" 30*5d9d9091SRichard Lowe 31*5d9d9091SRichard Lowe#include "libm.h" 32*5d9d9091SRichard LoweLIBM_ANSI_PRAGMA_WEAK(ceill,function) 33*5d9d9091SRichard LoweLIBM_ANSI_PRAGMA_WEAK(floorl,function) 34*5d9d9091SRichard Lowe 35*5d9d9091SRichard Lowe ENTRY(ceill) 36*5d9d9091SRichard Lowe subq $16,%rsp 37*5d9d9091SRichard Lowe fstcw (%rsp) 38*5d9d9091SRichard Lowe fldt 24(%rsp) 39*5d9d9091SRichard Lowe movw (%rsp),%cx 40*5d9d9091SRichard Lowe orw $0x0c00,%cx 41*5d9d9091SRichard Lowe xorw $0x0400,%cx 42*5d9d9091SRichard Lowe movw %cx,4(%rsp) 43*5d9d9091SRichard Lowe fldcw 4(%rsp) / set RD = up 44*5d9d9091SRichard Lowe frndint 45*5d9d9091SRichard Lowe fstcw 4(%rsp) / restore RD 46*5d9d9091SRichard Lowe movw 4(%rsp),%dx 47*5d9d9091SRichard Lowe andw $0xf3ff,%dx 48*5d9d9091SRichard Lowe movw (%rsp),%cx 49*5d9d9091SRichard Lowe andw $0x0c00,%cx 50*5d9d9091SRichard Lowe orw %dx,%cx 51*5d9d9091SRichard Lowe movw %cx,(%rsp) 52*5d9d9091SRichard Lowe fldcw (%rsp) / restore RD 53*5d9d9091SRichard Lowe addq $16,%rsp 54*5d9d9091SRichard Lowe ret 55*5d9d9091SRichard Lowe .align 16 56*5d9d9091SRichard Lowe SET_SIZE(ceill) 57*5d9d9091SRichard Lowe 58*5d9d9091SRichard Lowe 59*5d9d9091SRichard Lowe ENTRY(floorl) 60*5d9d9091SRichard Lowe subq $16,%rsp 61*5d9d9091SRichard Lowe fstcw (%rsp) 62*5d9d9091SRichard Lowe fldt 24(%rsp) 63*5d9d9091SRichard Lowe movw (%rsp),%cx 64*5d9d9091SRichard Lowe orw $0x0c00,%cx 65*5d9d9091SRichard Lowe xorw $0x0800,%cx 66*5d9d9091SRichard Lowe movw %cx,4(%rsp) 67*5d9d9091SRichard Lowe fldcw 4(%rsp) / set RD = down 68*5d9d9091SRichard Lowe frndint 69*5d9d9091SRichard Lowe fstcw 4(%rsp) / restore RD 70*5d9d9091SRichard Lowe movw 4(%rsp),%dx 71*5d9d9091SRichard Lowe andw $0xf3ff,%dx 72*5d9d9091SRichard Lowe movw (%rsp),%cx 73*5d9d9091SRichard Lowe andw $0x0c00,%cx 74*5d9d9091SRichard Lowe orw %dx,%cx 75*5d9d9091SRichard Lowe movw %cx,(%rsp) 76*5d9d9091SRichard Lowe fldcw (%rsp) / restore RD 77*5d9d9091SRichard Lowe addq $16,%rsp 78*5d9d9091SRichard Lowe ret 79*5d9d9091SRichard Lowe .align 16 80*5d9d9091SRichard Lowe SET_SIZE(floorl) 81