diff options
Diffstat (limited to 'usr/src/libm/src/i386/common/asinl.s')
| -rw-r--r-- | usr/src/libm/src/i386/common/asinl.s | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/usr/src/libm/src/i386/common/asinl.s b/usr/src/libm/src/i386/common/asinl.s new file mode 100644 index 0000000..4fef6f5 --- /dev/null +++ b/usr/src/libm/src/i386/common/asinl.s @@ -0,0 +1,59 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + + .ident "@(#)asinl.s 1.8 06/01/23 SMI" + + .file "asinl.s" + +#include "libm.h" +LIBM_ANSI_PRAGMA_WEAK(asinl,function) +#include "libm_synonyms.h" + +#undef fabs + + ENTRY(asinl) + fldt 4(%esp) / push x + fld1 / push 1 + fld %st(1) / x , 1 , x + fabs / |x| , 1 , x + fucomp + fstsw %ax + sahf + ja 9f + fadd %st(1),%st / 1+x,x + fld1 / 1,1+x,x + fsub %st(2),%st / 1-x,1+x,x + fmulp %st,%st(1) / (1-x)*(1+x),x + fsqrt / sqrt((1-x)*(1+x)),x + fpatan / atan(x/sqrt((1-x)*(1+x))) + ret +9: + / |x| > 1 + fstp %st(0) / x + fsub %st,%st(0) / +/-0 or NaN+invalid + fdiv %st,%st(0) / NaN+invalid or NaN + ret + .align 4 + SET_SIZE(asinl) |