platform_bionic/libm/arm/sqrt.S
Jake Weinstein 8d959505bc libm: ARM: reorganize a bit to match ARM64
* Cleaner naming, especially if there are more ARM-specific routines in
  the future.

Change-Id: Id29db728800ccd612a906e86ccb95c1e7620514d
2015-08-13 23:02:10 +00:00

49 lines
1.9 KiB
ArmAsm

/*
* Copyright (c) 2013-2014, NVIDIA Corporation. All rights reserved.
* Johnny Qiu <joqiu@nvidia.com>
* Shu Zhang <chazhang@nvidia.com>
*
* 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.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 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.
*/
#include <float.h>
#include <private/bionic_asm.h>
ENTRY(sqrt)
vmov.f64 d0, r0, r1
vsqrt.f64 d0, d0
vmov.f64 r0, r1, d0
bx lr
END(sqrt)
ENTRY(sqrtf)
vmov.f32 s0, r0
vsqrt.f32 s0, s0
vmov.f32 r0, s0
bx lr
END(sqrtf)
ALIAS_SYMBOL(sqrtl, sqrt);