1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23 */ 24/* 25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 .file "floorl.s" 30 31#include "libm.h" 32LIBM_ANSI_PRAGMA_WEAK(ceill,function) 33LIBM_ANSI_PRAGMA_WEAK(floorl,function) 34#include "libm_synonyms.h" 35 36 ENTRY(ceill) 37 subq $16,%rsp 38 fstcw (%rsp) 39 fldt 24(%rsp) 40 movw (%rsp),%cx 41 orw $0x0c00,%cx 42 xorw $0x0400,%cx 43 movw %cx,4(%rsp) 44 fldcw 4(%rsp) / set RD = up 45 frndint 46 fstcw 4(%rsp) / restore RD 47 movw 4(%rsp),%dx 48 andw $0xf3ff,%dx 49 movw (%rsp),%cx 50 andw $0x0c00,%cx 51 orw %dx,%cx 52 movw %cx,(%rsp) 53 fldcw (%rsp) / restore RD 54 addq $16,%rsp 55 ret 56 .align 16 57 SET_SIZE(ceill) 58 59 60 ENTRY(floorl) 61 subq $16,%rsp 62 fstcw (%rsp) 63 fldt 24(%rsp) 64 movw (%rsp),%cx 65 orw $0x0c00,%cx 66 xorw $0x0800,%cx 67 movw %cx,4(%rsp) 68 fldcw 4(%rsp) / set RD = down 69 frndint 70 fstcw 4(%rsp) / restore RD 71 movw 4(%rsp),%dx 72 andw $0xf3ff,%dx 73 movw (%rsp),%cx 74 andw $0x0c00,%cx 75 orw %dx,%cx 76 movw %cx,(%rsp) 77 fldcw (%rsp) / restore RD 78 addq $16,%rsp 79 ret 80 .align 16 81 SET_SIZE(floorl) 82