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Optimize fdim/fdimf on sparc. 

* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
	fdim/fdimf to libm-sysdep_routines.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: New
	file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: New file.
	* sysdeps/sparc/sparc32/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc32/fpu/s_fdimf.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fdim.S: New file.
	* sysdeps/sparc/sparc64/fpu/s_fdimf.S: New file.
This commit is contained in:
David S. Miller 2013-01-14 18:15:49 -08:00
parent 93f5c4e2e5
commit 65a82e3dd5
12 changed files with 329 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
ChangeLog
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@ -1,3 +1,20 @@
2013-01-14 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
fdim/fdimf to libm-sysdep_routines.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: New file.
* sysdeps/sparc/sparc32/fpu/s_fdim.S: New file.
* sysdeps/sparc/sparc32/fpu/s_fdimf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fdim.S: New file.
* sysdeps/sparc/sparc64/fpu/s_fdimf.S: New file.
2013-01-14 Siddhesh Poyarekar <siddhesh@redhat.com>
* sysdeps/ieee754/dbl-64/mpa.c (__mul): Add a local variable

41
sysdeps/sparc/sparc32/fpu/s_fdim.S Normal file
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@ -0,0 +1,41 @@
/* Compute positive difference, sparc 32-bit.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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>
#include <math_ldbl_opt.h>
ENTRY(__fdim)
std %o0, [%sp + 72]
std %o2, [%sp + 80]
ldd [%sp + 72], %f0
ldd [%sp + 80], %f2
fcmpd %f0, %f2
st %g0, [%sp + 72]
fbug 1f
st %g0, [%sp + 76]
ldd [%sp + 72], %f0
fnegd %f0, %f2
1: retl
fsubd %f0, %f2, %f0
END(__fdim)
weak_alias (__fdim, fdim)
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
#endif

35
sysdeps/sparc/sparc32/fpu/s_fdimf.S Normal file
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@ -0,0 +1,35 @@
/* Compute positive difference, sparc 32-bit.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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(__fdimf)
st %o0, [%sp + 72]
st %o1, [%sp + 76]
ld [%sp + 72], %f0
ld [%sp + 76], %f1
fcmps %f0, %f1
fbug 1f
st %g0, [%sp + 72]
ld [%sp + 72], %f0
fnegs %f0, %f1
1: retl
fsubs %f0, %f1, %f0
END(__fdimf)
weak_alias (__fdimf, fdimf)

2
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
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@ -5,7 +5,7 @@ libm-sysdep_routines += m_copysignf-vis3 m_copysign-vis3 s_ceilf-vis3 \
s_floorf-vis3 s_llrintf-vis3 s_llrint-vis3 \
s_rintf-vis3 s_rint-vis3 w_sqrt-vis3 w_sqrtf-vis3 \
s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3 \
s_fmaf-vis3 s_fma-vis3
s_fmaf-vis3 s_fma-vis3 s_fdimf-vis3 s_fdim-vis3
sysdep_routines += s_copysignf-vis3 s_copysign-vis3
endif
endif

34
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S Normal file
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@ -0,0 +1,34 @@
/* Compute positive difference, sparc 32-bit+v9+vis3.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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(__fdim_vis3)
movwtos %o0, %f0
movwtos %o1, %f1
movwtos %o2, %f2
movwtos %o3, %f3
fcmpd %f0, %f2
fbug 1f
nop
fzero %f0
fnegd %f0, %f2
1: retl
fsubd %f0, %f2, %f0
END(__fdim_vis3)

19
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S Normal file
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@ -0,0 +1,19 @@
#include <sparc-ifunc.h>
#include <math_ldbl_opt.h>
SPARC_ASM_VIS3_IFUNC(fdim)
weak_alias (__fdim, fdim)
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
#endif
# undef weak_alias
# define weak_alias(a, b)
# undef compat_symbol
# define compat_symbol(a, b, c, d)
#define __fdim __fdim_generic
#include "../s_fdim.S"

32
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S Normal file
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@ -0,0 +1,32 @@
/* Compute positive difference, sparc 32-bit+v9+vis3.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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(__fdimf_vis3)
movwtos %o0, %f0
movwtos %o1, %f1
fcmps %f0, %f1
fbug 1f
nop
fzeros %f0
fnegs %f0, %f1
1: retl
fsubs %f0, %f1, %f0
END(__fdimf_vis3)

12
sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S Normal file
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@ -0,0 +1,12 @@
#include <sparc-ifunc.h>
SPARC_ASM_VIS3_IFUNC(fdimf)
weak_alias (__fdimf, fdimf)
# undef weak_alias
# define weak_alias(a, b)
#define __fdimf __fdimf_generic
#include "../s_fdimf.S"

40
sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S Normal file
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@ -0,0 +1,40 @@
/* Compute positive difference, sparc 32-bit+v9.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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>
#include <math_ldbl_opt.h>
ENTRY(__fdim)
std %o0, [%sp + 72]
std %o2, [%sp + 80]
ldd [%sp + 72], %f0
ldd [%sp + 80], %f2
fcmpd %f0, %f2
fbug 1f
nop
fzero %f0
fnegd %f0, %f2
1: retl
fsubd %f0, %f2, %f0
END(__fdim)
weak_alias (__fdim, fdim)
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
#endif

35
sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S Normal file
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@ -0,0 +1,35 @@
/* Compute positive difference, sparc 32-bit+v9.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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(__fdimf)
st %o0, [%sp + 72]
st %o1, [%sp + 76]
ld [%sp + 72], %f0
ld [%sp + 76], %f1
fcmps %f0, %f1
fbug 1f
nop
fzeros %f0
fnegs %f0, %f1
1: retl
fsubs %f0, %f1, %f0
END(__fdimf)
weak_alias (__fdimf, fdimf)

32
sysdeps/sparc/sparc64/fpu/s_fdim.S Normal file
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@ -0,0 +1,32 @@
/* Compute positive difference, sparc 64-bit.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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>
#include <math_ldbl_opt.h>
ENTRY(__fdim)
fcmpd %f0, %f2
fbug 1f
nop
fzero %f0
fnegd %f0, %f2
1: retl
fsubd %f0, %f2, %f0
END(__fdim)
weak_alias (__fdim, fdim)

31
sysdeps/sparc/sparc64/fpu/s_fdimf.S Normal file
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@ -0,0 +1,31 @@
/* Compute positive difference, sparc 64-bit.
Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller <davem@davemloft.net>.
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(__fdimf)
fcmps %f1, %f3
fbug 1f
nop
fzeros %f1
fnegs %f1, %f3
1: retl
fsubs %f1, %f3, %f0
END(__fdimf)
weak_alias (__fdimf, fdimf)