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Fixes and optimizations for 32-bit sparc fabs*().

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This commit is contained in:
David S. Miller 2011-09-05 10:06:15 -07:00
parent 39c4451cec
commit 15c95c5d1a
6 changed files with 72 additions and 13 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2011-09-05 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/fpu/s_fabsf.S: Use first argument
stack slot, rather than the struct return pointer slot.
* sysdeps/sparc/sparc32/fpu/s_fabs.c: Delete.
* sysdeps/sparc/sparc32/fpu/s_fabs.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies: Likewise.
2011-09-05 Ulrich Drepper <drepper@gmail.com>
[BZ #13144]

29
sysdeps/sparc/sparc32/fpu/s_fabs.S Normal file
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/* Float absolute value, sparc32 version.
Copyright (C) 2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
ENTRY (__fabs)
st %o0, [%sp+72]
st %o1, [%sp+76]
ldd [%sp+72], %f0
retl
fabss %f0, %f0
END (__fabs)
weak_alias (__fabs, fabs)

11
sysdeps/sparc/sparc32/fpu/s_fabs.c
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@ -1,11 +0,0 @@
#include <math.h>
#include <math_ldbl_opt.h>
double __fabs (double x)
{
return __builtin_fabs (x);
}
weak_alias (__fabs, fabs)
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
compat_symbol (libm, __fabs, fabsl, GLIBC_2_0);
#endif

4
sysdeps/sparc/sparc32/fpu/s_fabsf.S
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@ -21,8 +21,8 @@
#include <sysdep.h>
ENTRY (__fabsf)
st %o0, [%sp+64]
ld [%sp+64], %f0
st %o0, [%sp+68]
ld [%sp+68], %f0
retl
fabss %f0, %f0
END (__fabsf)

29
sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S Normal file
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@ -0,0 +1,29 @@
/* Float absolute value, sparc32+v9 version.
Copyright (C) 2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
ENTRY (__fabs)
st %o0, [%sp+72]
st %o1, [%sp+76]
ldd [%sp+72], %f0
retl
fabsd %f0, %f0
END (__fabs)
weak_alias (__fabs, fabs)

3
sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies Normal file
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# We must list this here to move it ahead of the ldbl-opt code.
sparc/sparc32/sparcv9/fpu
sparc/sparc32/fpu