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5261 libm should stop using synonyms.h


  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 "exp2l.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(exp2l,function)
  33 #include "libm_synonyms.h"
  34 
  35         ENTRY(exp2l)
  36         movl    12(%esp),%ecx           / cx <--sign&bexp(x)
  37         andl    $0x00007fff,%ecx        / ecx <-- zero_xtnd(bexp(x))
  38         cmpl    $0x00003fff,%ecx        / Is |x| <= 1?
  39         jb      .shortcut               / If so, take a shortcut.
  40         je      .check_tail             / |x| may be slightly > 1
  41         cmpl    $0x00007fff,%ecx        / bexp(|x|) = bexp(INF)?
  42         je      .not_finite             / if so, x is not finite
  43 .finite_non_special:                    / Here, 1 < |x| < INF
  44         fldt    4(%esp)                 / push arg
  45         fld     %st(0)                  / duplicate stack top
  46         frndint                         / [x],x
  47         fucom                           / x integral?
  48         fnstsw  %ax
  49         sahf
  50         je      .x_integral             / branch if x integral
  51         fxch                            / x, [x]
  52         fsub    %st(1),%st              / x-[x], [x]
  53         f2xm1                           / 2**(x-[x])-1, [x]




  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 "exp2l.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(exp2l,function)

  33 
  34         ENTRY(exp2l)
  35         movl    12(%esp),%ecx           / cx <--sign&bexp(x)
  36         andl    $0x00007fff,%ecx        / ecx <-- zero_xtnd(bexp(x))
  37         cmpl    $0x00003fff,%ecx        / Is |x| <= 1?
  38         jb      .shortcut               / If so, take a shortcut.
  39         je      .check_tail             / |x| may be slightly > 1
  40         cmpl    $0x00007fff,%ecx        / bexp(|x|) = bexp(INF)?
  41         je      .not_finite             / if so, x is not finite
  42 .finite_non_special:                    / Here, 1 < |x| < INF
  43         fldt    4(%esp)                 / push arg
  44         fld     %st(0)                  / duplicate stack top
  45         frndint                         / [x],x
  46         fucom                           / x integral?
  47         fnstsw  %ax
  48         sahf
  49         je      .x_integral             / branch if x integral
  50         fxch                            / x, [x]
  51         fsub    %st(1),%st              / x-[x], [x]
  52         f2xm1                           / 2**(x-[x])-1, [x]