mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
83 lines
2.8 KiB
ArmAsm
83 lines
2.8 KiB
ArmAsm
|
.file "fabsl.s"
|
||
|
|
|
||
|
|
|
||
|
|
// Copyright (c) 2000 - 2003, Intel Corporation
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// Contributed 2000 by the Intel Numerics Group, Intel Corporation
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
//
|
||
|
|
// * Redistributions in binary form must reproduce the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer in the
|
||
|
|
// documentation and/or other materials provided with the distribution.
|
||
|
|
//
|
||
|
|
// * The name of Intel Corporation may not be used to endorse or promote
|
||
|
|
// products derived from this software without specific prior written
|
||
|
|
// permission.
|
||
|
|
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
|
||
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||
|
|
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
|
||
|
|
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
// Intel Corporation is the author of this code, and requests that all
|
||
|
|
// problem reports or change requests be submitted to it directly at
|
||
|
|
// http://www.intel.com/software/products/opensource/libraries/num.htm.
|
||
|
|
//
|
||
|
|
// History
|
||
|
|
//==============================================================
|
||
|
|
// 02/02/00 Initial version
|
||
|
|
// 02/07/02 Added __libm_fabsl entry point to test in case compiler inlines
|
||
|
|
// 05/20/02 Cleaned up namespace and sf0 syntax
|
||
|
|
// 02/10/03 Reordered header: .section, .global, .proc, .align
|
||
|
|
//
|
||
|
|
// API
|
||
|
|
//==============================================================
|
||
|
|
// long double fabsl (long double x)
|
||
|
|
//
|
||
|
|
// Overview of operation
|
||
|
|
//==============================================================
|
||
|
|
// returns absolute value of x
|
||
|
|
|
||
|
|
// floating-point registers used: 1
|
||
|
|
// f8, input
|
||
|
|
|
||
|
|
.section .text
|
||
|
|
.global __libm_fabsl#
|
||
|
|
|
||
|
|
.proc __libm_fabsl#
|
||
|
|
__libm_fabsl:
|
||
|
|
.endp __libm_fabsl#
|
||
|
|
|
||
|
|
GLOBAL_IEEE754_ENTRY(fabsl)
|
||
|
|
|
||
|
|
// set invalid or denormal flags and take fault if
|
||
|
|
// necessary
|
||
|
|
|
||
|
|
{ .mfi
|
||
|
|
nop.m 999
|
||
|
|
fcmp.eq.unc.s0 p6,p7 = f8,f1
|
||
|
|
nop.i 999 ;;
|
||
|
|
}
|
||
|
|
|
||
|
|
{ .mfb
|
||
|
|
nop.m 999
|
||
|
|
fmerge.s f8 = f0,f8
|
||
|
|
br.ret.sptk b0 ;;
|
||
|
|
}
|
||
|
|
|
||
|
|
GLOBAL_IEEE754_END(fabsl)
|