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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 "isnanl.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(isnanl,function)
  33 #include "libm_synonyms.h"
  34 
  35         ENTRY(isnanl)
  36         movl    12(%esp),%eax           / ax <-- sign bit and exp
  37         andl    $0x00007fff,%eax
  38         jz      .not_nan                / jump if exp is all 0
  39         xorl    $0x00007fff,%eax
  40         jz      .nan_or_inf             / jump if exp is all 1
  41         testl   $0x80000000,8(%esp)
  42         jz      .got_nan                / jump if leading bit is 0
  43         movl    $0,%eax
  44 .not_nan:
  45         ret
  46 .nan_or_inf:                            / note that %eax = 0 from before
  47         cmpl    $0x80000000,8(%esp)     / what is first half of significand?
  48         jnz     .got_nan                / jump if not equal to 0x80000000
  49         testl   $0xffffffff,4(%esp)     / is second half of significand 0?
  50         jnz     .got_nan                / jump if not equal to 0
  51         ret
  52 .got_nan:
  53         movl    $1,%eax


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

  33 
  34         ENTRY(isnanl)
  35         movl    12(%esp),%eax           / ax <-- sign bit and exp
  36         andl    $0x00007fff,%eax
  37         jz      .not_nan                / jump if exp is all 0
  38         xorl    $0x00007fff,%eax
  39         jz      .nan_or_inf             / jump if exp is all 1
  40         testl   $0x80000000,8(%esp)
  41         jz      .got_nan                / jump if leading bit is 0
  42         movl    $0,%eax
  43 .not_nan:
  44         ret
  45 .nan_or_inf:                            / note that %eax = 0 from before
  46         cmpl    $0x80000000,8(%esp)     / what is first half of significand?
  47         jnz     .got_nan                / jump if not equal to 0x80000000
  48         testl   $0xffffffff,4(%esp)     / is second half of significand 0?
  49         jnz     .got_nan                / jump if not equal to 0
  50         ret
  51 .got_nan:
  52         movl    $1,%eax