glibc/sysdeps/sparc/sparc64/fpu/w_sqrt.S

49 lines
1.3 KiB
ArmAsm

/* sqrt function. sparc64 version.
Copyright (C) 2012-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
ENTRY (__sqrt)
fzero %f8
fcmpd %fcc2, %f0, %f8
fbl,pn %fcc2, 1f
nop
8: retl
fsqrtd %f0, %f0
1:
#ifdef SHARED
SETUP_PIC_REG_LEAF(o5, g1)
sethi %gdop_hix22(_LIB_VERSION), %g1
xor %g1, %gdop_lox10(_LIB_VERSION), %g1
ldx [%o5 + %g1], %g1, %gdop(_LIB_VERSION)
#else
sethi %hi(_LIB_VERSION), %g1
or %g1, %lo(_LIB_VERSION), %g1
#endif
ld [%g1], %g1
cmp %g1, -1
be,pt %icc, 8b
fmovd %f0, %f2
mov 26, %o2
mov %o7, %g1
call __kernel_standard
mov %g1, %o7
END (__sqrt)
weak_alias (__sqrt, sqrt)