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powerpc: Remove optimized isnan

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The powerpc isnan optimizations are not really a gain:

  - GCC will call libm iff -fsignaling-nans is used. This usage pattern
    is usually not performance oriented and for such calls PLT overhead
    should dominate execution time.

  - The power5, power6, and power6x are just micro-optimization to
    improve the Load-Hit-Store hazards from floating-point to general
    register transfer, and current GCC already has support to minimize
    it by inserting either extra nops or group dispatch instructions.

  - The power7 uses ftdiv to optimize for some input patterns, but at
    cost of others.  Comparing against generic C implementation built
    for powerpc-linux-gnu-power4 (which uses the hp-timing support on
    benchtests):

    - Generic sysdeps/ieee754 implementation:
      "isnan": {
       "": {
        "duration": 4.98415e+09,
        "iterations": 2.34516e+09,
        "max": 45.925,
        "min": 2.052,
        "mean": 2.12529
       },
       "INF": {
        "duration": 4.74057e+09,
        "iterations": 1.69761e+09,
        "max": 91.01,
        "min": 2.052,
        "mean": 2.79249
       },
       "NAN": {
        "duration": 4.74071e+09,
        "iterations": 1.68768e+09,
        "max": 282.343,
        "min": 2.052,
        "mean": 2.809
       }
      }

    - power7 optimized one:
    $ ./testrun.sh benchtests/bench-isnan
      "isnan": {
       "": {
        "duration": 4.96842e+09,
        "iterations": 2.56297e+09,
        "max": 50.048,
        "min": 1.872,
        "mean": 1.93854
       },
       "INF": {
        "duration": 4.76648e+09,
        "iterations": 1.54213e+09,
        "max": 373.408,
        "min": 2.661,
        "mean": 3.09084
       },
       "NAN": {
        "duration": 4.76845e+09,
        "iterations": 1.54515e+09,
        "max": 51.016,
        "min": 2.736,
        "mean": 3.08607
       }
      }

    So it basically optimizes marginally for normal numbers while
    increasing the latency for other kind of FP.

  - The generic implementation requires getting the floating point
    status, disable the invalid operation bit, and restore the
    floating-point status.  Each operation is costly and requires
    flushing the FP pipeline.

    Using the same scenarion for the previous analysis:

      "isnan": {
       "": {
        "duration": 5.08284e+09,
        "iterations": 6.2898e+08,
        "max": 41.844,
        "min": 8.057,
        "mean": 8.08108
       },
       "INF": {
        "duration": 4.97904e+09,
        "iterations": 6.16176e+08,
        "max": 39.661,
        "min": 8.057,
        "mean": 8.08055
       },
       "NAN": {
        "duration": 4.98695e+09,
        "iterations": 5.95866e+08,
        "max": 29.728,
        "min": 8.345,
        "mean": 8.36925
       }
      }

  - The power8 implementation is just the generic implementation using
    ISA 2.07 mfvsrd instruction (which GCC uses for generic implementation).
    So generic implementation is the best option for powerpc64le.

Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).

	* sysdeps/powerpc/fpu/s_isnan.c: Remove file.
	* sysdeps/powerpc/fpu/s_isnanf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
	(sysdeps_routines, libm-sysdep_routines): Remove s_isnan-* and
	s_isnanf-* objects.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power5.S:
	Remove file
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power6.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power7.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-ppc32.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c: Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power5.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power6.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c: Likewise.
	* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S: Likewise.
	* sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S: Likewise.
	* sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc32/power7/fpu/s_isnanf.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile (sysdep_calls):
	Remove s_isnan-* and s_isnanf-* objects.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S:
	Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power8.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c: Likewise.
	* sysdeps/powerpc/powerpc64/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power7/fpu/s_isnanf.S: Likewise.
	* sysdeps/powerpc/powerpc64/power8/fpu/s_isnan.S: Likewise.
	* sysdeps/powerpc/powerpc64/power8/fpu/s_isnanf.S: Likewise.

Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
This commit is contained in:
Adhemerval Zanella 2019-03-08 19:32:15 +00:00
parent 197dbda1a1
commit 2666f96390
36 changed files with 48 additions and 1381 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
ChangeLog
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@ -1,5 +1,51 @@
2019-06-12 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/powerpc/fpu/s_isnan.c: Remove file.
* sysdeps/powerpc/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
(sysdeps_routines, libm-sysdep_routines): Remove s_isnan-* and
s_isnanf-* objects.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power5.S:
Remove file
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power6.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power7.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power5.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power6.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile (sysdep_calls):
Remove s_isnan-* and s_isnanf-* objects.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power8.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc64/power8/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power8/fpu/s_isnanf.S: Likewise.
* sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c: Move to ...
* sysdeps/ieee754/dbl-64/s_isnan.c: ... here and format code.

62
sysdeps/powerpc/fpu/s_isnan.c
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@ -1,62 +0,0 @@
/* Return 1 if argument is a NaN, else 0.
Copyright (C) 1997-2019 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/>. */
/* Ugly kludge to avoid declarations. */
#define __isnanf __Xisnanf
#define isnanf Xisnanf
#define __GI___isnanf __GI___Xisnanf
#include <math.h>
#include <math_ldbl_opt.h>
#include <fenv_libc.h>
#undef __isnanf
#undef isnanf
#undef __GI___isnanf
/* The hidden_proto in include/math.h was obscured by the macro hackery. */
__typeof (__isnan) __isnanf;
hidden_proto (__isnanf)
int
__isnan (double x)
{
fenv_t savedstate;
int result;
savedstate = fegetenv_register ();
reset_fpscr_bit (FPSCR_VE);
result = !(x == x);
fesetenv_register (savedstate);
return result;
}
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif

1
sysdeps/powerpc/fpu/s_isnanf.S
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@ -1 +0,0 @@
/* __isnanf is in s_isnan.c */

57
sysdeps/powerpc/powerpc32/fpu/s_isnan.S
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@ -1,57 +0,0 @@
/* isnan(). PowerPC32 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power4
EALIGN (__isnan, 4, 0)
mffs fp0
mtfsb0 4*cr6+lt /* reset_fpscr_bit (FPSCR_VE) */
fcmpu cr7,fp1,fp1
mtfsf 255,fp0
li r3,0
beqlr+ cr7 /* (x == x) then not a NAN */
li r3,1 /* else must be a NAN */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
#ifndef __isnan
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#endif
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

7
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
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@ -1,6 +1,5 @@
ifeq ($(subdir),math)
sysdep_routines += s_isnan-power7 s_isnan-power6 s_isnan-power5 s_isnan-ppc32 \
s_isnanf-power6 s_isnanf-power5 s_isinf-power7 \
sysdep_routines += s_isinf-power7 \
s_isinf-ppc32 s_isinff-ppc32 s_finite-power7 \
s_finite-ppc32 s_finitef-ppc32 \
s_modf-power5+ s_modf-ppc32 \
@ -8,9 +7,7 @@ sysdep_routines += s_isnan-power7 s_isnan-power6 s_isnan-power5 s_isnan-ppc32 \
libm-sysdep_routines += s_llrintf-power6 s_llrintf-ppc32 s_llrint-power6 \
s_llrint-ppc32 s_llround-power6 s_llround-power5+ \
s_llround-ppc32 s_isnan-power7 \
s_isnan-power6 s_isnan-power5 s_isnan-ppc32 \
s_isnanf-power6 s_isnanf-power5 s_isinf-power7 \
s_llround-ppc32 s_isinf-power7 \
s_isinf-ppc32 s_isinff-ppc32 s_finite-power7 \
s_finite-ppc32 s_finitef-ppc32 s_ceil-power5+ \
s_ceil-ppc32 s_ceilf-power5+ s_ceilf-ppc32 \

33
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power5.S
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@ -1,33 +0,0 @@
/* isnan(). PowerPC32/POWER5 version.
Copyright (C) 2013-2019 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>
#include <math_ldbl_opt.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power5
#include <sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S>

33
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power6.S
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@ -1,33 +0,0 @@
/* isnan(). PowerPC32/POWER6 version.
Copyright (C) 2013-2019 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>
#include <math_ldbl_opt.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power6
#include <sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S>

33
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power7.S
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@ -1,33 +0,0 @@
/* isnan(). PowerPC32/POWER7 version.
Copyright (C) 2013-2019 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>
#include <math_ldbl_opt.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power7
#include <sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S>

32
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-ppc32.S
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@ -1,32 +0,0 @@
/* isnan(). PowerPC32 default version.
Copyright (C) 2013-2019 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>
#include <math_ldbl_opt.h>
#undef weak_alias
#define weak_alias(a, b)
#undef compat_symbol
#define compat_symbol(a, b, c, d)
#define __isnan __isnan_ppc32
#undef hidden_def
#define hidden_def(name)
strong_alias (__isnan_ppc32, __GI___isnan)
#include <sysdeps/powerpc/powerpc32/fpu/s_isnan.S>

56
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c
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@ -1,56 +0,0 @@
/* Multiple versions of isnan.
Copyright (C) 2013-2019 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/>. */
#define __isnan __redirect___isnan
#define __isnanf __redirect___isnanf
#define __isnanl __redirect___isnanl
#include <math.h>
#include <math_ldbl_opt.h>
#include <shlib-compat.h>
#include "init-arch.h"
extern __typeof (__isnan) __isnan_ppc32 attribute_hidden;
extern __typeof (__isnan) __isnan_power5 attribute_hidden;
extern __typeof (__isnan) __isnan_power6 attribute_hidden;
extern __typeof (__isnan) __isnan_power7 attribute_hidden;
#undef __isnan
#undef __isnanf
#undef __isnanl
libc_ifunc_redirected (__redirect___isnan, __isnan,
(hwcap & PPC_FEATURE_ARCH_2_06)
? __isnan_power7
: (hwcap & PPC_FEATURE_ARCH_2_05)
? __isnan_power6
: (hwcap & PPC_FEATURE_POWER5)
? __isnan_power5
: __isnan_ppc32);
weak_alias (__isnan, isnan)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

28
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power5.S
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@ -1,28 +0,0 @@
/* isnanf(). PowerPC32/POWER5 version.
Copyright (C) 2013-2019 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>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#define __isnanf __isnanf_power5
#include <sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S>

28
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power6.S
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@ -1,28 +0,0 @@
/* isnanf(). PowerPC32/POWER6 version.
Copyright (C) 2013-2019 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>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#define __isnanf __isnanf_power6
#include <sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S>

39
sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c
View File

@ -1,39 +0,0 @@
/* Multiple versions of isnanf.
Copyright (C) 2013-2019 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 <math.h>
#include <shlib-compat.h>
#include "init-arch.h"
/* Both ppc32 and power7 isnan(double) work for float. */
extern __typeof (__isnanf) __isnan_ppc32 attribute_hidden;
extern __typeof (__isnanf) __isnanf_power5 attribute_hidden;
extern __typeof (__isnanf) __isnanf_power6 attribute_hidden;
extern __typeof (__isnanf) __isnan_power7 attribute_hidden;
libc_ifunc_hidden (__isnanf, __isnanf,
(hwcap & PPC_FEATURE_ARCH_2_06)
? __isnan_power7
: (hwcap & PPC_FEATURE_ARCH_2_05)
? __isnanf_power6
: (hwcap & PPC_FEATURE_POWER5)
? __isnanf_power5
: __isnan_ppc32);
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)

61
sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S
View File

@ -1,61 +0,0 @@
/* isnan(). PowerPC32 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power5
EALIGN (__isnan, 4, 0)
stwu r1,-32(r1)
cfi_adjust_cfa_offset (32)
ori r1,r1,0
stfd fp1,24(r1) /* copy FPR to GPR */
ori r1,r1,0
lwz r4,24+HIWORD(r1)
lwz r5,24+LOWORD(r1)
lis r0,0x7ff0 /* const long r0 0x7ff00000 00000000 */
clrlwi r4,r4,1 /* x = fabs(x) */
cmpw cr7,r4,r0 /* if (fabs(x) =< inf) */
cmpwi cr6,r5,0
li r3,0 /* then return 0 */
addi r1,r1,32
cfi_adjust_cfa_offset (-32)
bltlr+ cr7
bgt- cr7,L(NaN)
beqlr+ cr6
L(NaN):
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

45
sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S
View File

@ -1,45 +0,0 @@
/* isnan(). PowerPC32 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnanf(x) */
.machine power5
EALIGN (__isnanf, 4, 0)
stwu r1,-32(r1)
cfi_adjust_cfa_offset (32)
stfs fp1,28(r1) /* copy FPR to GPR */
nop
nop
lwz r4,28(r1)
lis r0,0x7f80 /* const long r0 0x7f800000 */
clrlwi r4,r4,1 /* x = fabs(x) */
cmpw cr7,r4,r0 /* if (fabs(x) =< inf) */
li r3,0 /* then return 0 */
addi r1,r1,32
cfi_adjust_cfa_offset (-32)
blelr+ cr7
L(NaN):
li r3,1 /* else return 1 */
blr
END (__isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)

61
sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S
View File

@ -1,61 +0,0 @@
/* isnan(). PowerPC32 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power6
EALIGN (__isnan, 4, 0)
stwu r1,-32(r1)
cfi_adjust_cfa_offset (32)
ori r1,r1,0
stfd fp1,24(r1) /* copy FPR to GPR */
ori r1,r1,0
lwz r4,24+HIWORD(r1)
lwz r5,24+LOWORD(r1)
lis r0,0x7ff0 /* const long r0 0x7ff00000 00000000 */
clrlwi r4,r4,1 /* x = fabs(x) */
cmpw cr7,r4,r0 /* if (fabs(x) =< inf) */
cmpwi cr6,r5,0
li r3,0 /* then return 0 */
addi r1,r1,32
cfi_adjust_cfa_offset (-32)
bltlr+ cr7
bgt- cr7,L(NaN)
beqlr+ cr6
L(NaN):
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

44
sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S
View File

@ -1,44 +0,0 @@
/* isnanf(). PowerPC32 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnanf(x) */
.machine power6
EALIGN (__isnanf, 4, 0)
stwu r1,-32(r1)
cfi_adjust_cfa_offset (32)
ori r1,r1,0
stfs fp1,24(r1) /* copy FPR to GPR */
ori r1,r1,0
lwz r4,24(r1)
lis r0,0x7f80 /* const long r0 0x7f800000 */
clrlwi r4,r4,1 /* x = fabs(x) */
cmpw cr7,r4,r0 /* if (fabs(x) =< inf) */
li r3,0 /* then return 0 */
addi r1,r1,32
cfi_adjust_cfa_offset (-32)
blelr+ cr7
L(NaN):
li r3,1 /* else return 1 */
blr
END (__isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)

90
sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S
View File

@ -1,90 +0,0 @@
/* isnan(). PowerPC32/POWER7 version.
Copyright (C) 2010-2019 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.section .rodata.cst8,"aM",@progbits,8
.align 3
.LC0: /* 1.0 */
.quad 0x3ff0000000000000
.section ".text"
.type __isnan, @function
.machine power7
ENTRY (__isnan)
#ifdef SHARED
mflr r11
cfi_register(lr,r11)
SETUP_GOT_ACCESS(r9,got_label)
addis r9,r9,.LC0-got_label@ha
lfd fp0,.LC0-got_label@l(r9)
mtlr r11
cfi_same_value (lr)
#else
lis r9,.LC0@ha
lfd fp0,.LC0@l(r9)
#endif
ftdiv cr7,fp1,fp0
li r3,0
bflr 30 /* If not NaN or Inf, finish. */
/* We have -INF/+INF/NaN or a denormal. */
stwu r1,-16(r1) /* Allocate stack space. */
stfd fp1,8(r1) /* Transfer FP to GPR's. */
ori 2,2,0 /* Force a new dispatch group. */
lwz r4,8+HIWORD(r1) /* Load the upper half of the FP value. */
lwz r5,8+LOWORD(r1) /* Load the lower half of the FP value. */
addi r1,r1,16 /* Reset the stack pointer. */
lis r0,0x7ff0 /* Load the upper portion for an INF/NaN. */
clrlwi r4,r4,1 /* r4 = abs(r4). */
cmpw cr7,r4,r0 /* if (abs(r4) <= inf). */
cmpwi cr6,r5,0 /* r5 == 0x00000000? */
bltlr cr7 /* LT means we have a denormal. */
bgt cr7,L(NaN) /* GT means we have a NaN. */
beqlr cr6 /* EQ means we have +/-INF. */
L(NaN):
li r3,1 /* x == NaN? */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

1
sysdeps/powerpc/powerpc32/power7/fpu/s_isnanf.S
View File

@ -1 +0,0 @@
/* This function uses the same code as s_isnan.S. */

2
sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
View File

@ -6,8 +6,6 @@ sysdep_calls := s_finite-power8 s_finite-power7 s_finite-ppc64 \
s_finitef-ppc64 \
s_isinf-power8 s_isinf-ppc64 \
s_isinff-ppc64 s_isinf-power7 \
s_isnan-power8 s_isnan-power7 s_isnan-power6x s_isnan-power6 \
s_isnan-power5 s_isnan-ppc64 \
s_modf-power5+ s_modf-ppc64 \
s_modff-power5+ s_modff-ppc64

32
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S
View File

@ -1,32 +0,0 @@
/* isnan(). PowerPC64/POWER5 version.
Copyright (C) 2013-2019 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 <shlib-compat.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power5
#include <sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S>

32
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S
View File

@ -1,32 +0,0 @@
/* isnan(). PowerPC64/POWER6 version.
Copyright (C) 2013-2019 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 <shlib-compat.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power6
#include <sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S>

32
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S
View File

@ -1,32 +0,0 @@
/* isnan(). PowerPC64/POWER6X version.
Copyright (C) 2013-2019 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 <shlib-compat.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power6x
#include <sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S>

32
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S
View File

@ -1,32 +0,0 @@
/* isnan(). PowerPC64/POWER7 version.
Copyright (C) 2013-2019 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 <shlib-compat.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power7
#include <sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S>

32
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power8.S
View File

@ -1,32 +0,0 @@
/* isnan(). PowerPC64/POWER7 version.
Copyright (C) 2014-2019 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 <shlib-compat.h>
#undef hidden_def
#define hidden_def(name)
#undef weak_alias
#define weak_alias(name, alias)
#undef strong_alias
#define strong_alias(name, alias)
#undef compat_symbol
#define compat_symbol(lib, name, symbol, ver)
#define __isnan __isnan_power8
#include <sysdeps/powerpc/powerpc64/power8/fpu/s_isnan.S>

36
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S
View File

@ -1,36 +0,0 @@
/* isnan(). PowerPC32 default version.
Copyright (C) 2013-2019 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 <shlib-compat.h>
#undef weak_alias
#define weak_alias(a,b)
#undef strong_alias
#define strong_alias(a,b)
#undef compat_symbol
#define compat_symbol(a,b,c,d)
#define __isnan __isnan_ppc64
#ifdef SHARED
#undef hidden_def
#define hidden_def(name) \
.globl __GI___isnan ; .set __GI___isnan,__isnan_ppc64
#endif
#include <sysdeps/powerpc/powerpc64/fpu/s_isnan.S>

71
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
View File

@ -1,71 +0,0 @@
/* Multiple versions of isnan.
Copyright (C) 2013-2019 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/>. */
#define __isnan __redirect___isnan
/* The following definitions, although not related to the 'double'
version of 'isnan', are required to guarantee macro expansions
(e.g.: from __isnanf to __redirect_isnanf) in include/math.h, thus
compensating for the unintended macro expansions in
math/bits/mathcalls-helper-functions.h. */
#define __isnanf __redirect___isnanf
#define __isnanl __redirect___isnanl
#define __isnanf128 __redirect___isnanf128
#include <math.h>
#include <math_ldbl_opt.h>
#include <shlib-compat.h>
#include "init-arch.h"
extern __typeof (__isnan) __isnan_ppc64 attribute_hidden;
extern __typeof (__isnan) __isnan_power5 attribute_hidden;
extern __typeof (__isnan) __isnan_power6 attribute_hidden;
extern __typeof (__isnan) __isnan_power6x attribute_hidden;
extern __typeof (__isnan) __isnan_power7 attribute_hidden;
extern __typeof (__isnan) __isnan_power8 attribute_hidden;
#undef __isnan
#undef __isnanf
#undef __isnanl
#undef __isnanf128
libc_ifunc_redirected (__redirect___isnan, __isnan,
(hwcap2 & PPC_FEATURE2_ARCH_2_07)
? __isnan_power8
: (hwcap & PPC_FEATURE_ARCH_2_06)
? __isnan_power7
: (hwcap & PPC_FEATURE_POWER6_EXT)
? __isnan_power6x
: (hwcap & PPC_FEATURE_ARCH_2_05)
? __isnan_power6
: (hwcap & PPC_FEATURE_POWER5)
? __isnan_power5
: __isnan_ppc64);
weak_alias (__isnan, isnan)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

44
sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c
View File

@ -1,44 +0,0 @@
/* Multiple versions of isnan.
Copyright (C) 2013-2019 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 <math.h>
#include "init-arch.h"
/* The double-precision implementation also works for the single one. */
extern __typeof (__isnanf) __isnan_ppc64 attribute_hidden;
extern __typeof (__isnanf) __isnan_power5 attribute_hidden;
extern __typeof (__isnanf) __isnan_power6 attribute_hidden;
extern __typeof (__isnanf) __isnan_power6x attribute_hidden;
extern __typeof (__isnanf) __isnan_power7 attribute_hidden;
extern __typeof (__isnanf) __isnan_power8 attribute_hidden;
libc_ifunc_hidden (__isnanf, __isnanf,
(hwcap2 & PPC_FEATURE2_ARCH_2_07)
? __isnan_power8
: (hwcap & PPC_FEATURE_ARCH_2_06)
? __isnan_power7
: (hwcap & PPC_FEATURE_POWER6_EXT)
? __isnan_power6x
: (hwcap & PPC_FEATURE_ARCH_2_05)
? __isnan_power6
: (hwcap & PPC_FEATURE_POWER5)
? __isnan_power5
: __isnan_ppc64);
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)

56
sysdeps/powerpc/powerpc64/fpu/s_isnan.S
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@ -1,56 +0,0 @@
/* isnan(). PowerPC64 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power4
ENTRY_TOCLESS (__isnan, 4)
CALL_MCOUNT 0
mffs fp0
mtfsb0 4*cr6+lt /* reset_fpscr_bit (FPSCR_VE) */
fcmpu cr7,fp1,fp1
mtfsf 255,fp0
li r3,0
beqlr+ cr7 /* (x == x) then not a NAN */
li r3,1 /* else must be a NAN */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

60
sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S
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@ -1,60 +0,0 @@
/* isnan(). PowerPC64 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power5
ENTRY_TOCLESS (__isnan, 4)
CALL_MCOUNT 0
stfd fp1,-8(r1) /* copy FPR to GPR */
lis r0,0x7ff0
nop /* insure the following is in a different */
nop /* dispatch group */
ld r4,-8(r1)
sldi r0,r0,32 /* const long r0 0x7ff00000 00000000 */
clrldi r4,r4,1 /* x = fabs(x) */
cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
li r3,0 /* then return 0 */
blelr+ cr7
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

59
sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S
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@ -1,59 +0,0 @@
/* isnan(). PowerPC64 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power6
ENTRY_TOCLESS (__isnan, 4)
CALL_MCOUNT 0
stfd fp1,-8(r1) /* copy FPR to GPR */
ori r1,r1,0
ld r4,-8(r1)
lis r0,0x7ff0
sldi r0,r0,32 /* const long r0 0x7ff00000 00000000 */
clrldi r4,r4,1 /* x = fabs(x) */
cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
li r3,0 /* then return 0 */
blelr+ cr7
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

58
sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S
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@ -1,58 +0,0 @@
/* isnan(). PowerPC64 version.
Copyright (C) 2008-2019 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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.machine power6
ENTRY_TOCLESS (__isnan, 4)
CALL_MCOUNT 0
mftgpr r4,fp1 /* copy FPR to GPR */
lis r0,0x7ff0
ori r1,r1,0
clrldi r4,r4,1 /* x = fabs(x) */
sldi r0,r0,32 /* const long r0 0x7ff00000 00000000 */
cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
li r3,0 /* then return 0 */
blelr+ cr7
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

68
sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S
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@ -1,68 +0,0 @@
/* isnan(). PowerPC64/POWER7 version.
Copyright (C) 2010-2019 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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>
#include <math_ldbl_opt.h>
/* int __isnan(x) */
.section ".toc","aw"
.LC0: /* 1.0 */
.tc FD_ONE[TC],0x3ff0000000000000
.section ".text"
.type __isnan, @function
.machine power7
ENTRY (__isnan, 4)
CALL_MCOUNT 0
lfd fp0,.LC0@toc(r2)
ftdiv cr7,fp1,fp0
li r3,0
bflr 30 /* If not NaN, finish. */
stfd fp1,-16(r1) /* Transfer FP to GPR's. */
ori 2,2,0 /* Force a new dispatch group. */
ld r4,-16(r1) /* Load FP into GPR. */
lis r0,0x7ff0
sldi r0,r0,32 /* const long r0 0x7ff00000 00000000. */
clrldi r4,r4,1 /* x = fabs(x) */
cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
blelr cr7 /* LE means not NaN. */
li r3,1 /* else return 1 */
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

1
sysdeps/powerpc/powerpc64/power7/fpu/s_isnanf.S
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@ -1 +0,0 @@
/* This function uses the same code as s_isnan.S. */

56
sysdeps/powerpc/powerpc64/power8/fpu/s_isnan.S
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@ -1,56 +0,0 @@
/* isnan(). PowerPC64/POWER8 version.
Copyright (C) 2014-2019 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>
#include <math_ldbl_opt.h>
#define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */
/* int [r3] __isnan([f1] x) */
ENTRY_TOCLESS (__isnan, 4)
CALL_MCOUNT 0
MFVSRD_R3_V1
lis r9,0x7ff0
clrldi r3,r3,1 /* r3 = r3 & 0x8000000000000000 */
rldicr r9,r9,32,31 /* r9 = (r9 << 32) & 0xffffffff */
subf r3,r3,r9
rldicl r3,r3,1,63
blr
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__isnan, __isnanf)
hidden_def (__isnanf)
weak_alias (__isnanf, isnanf)
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)
#endif
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif

1
sysdeps/powerpc/powerpc64/power8/fpu/s_isnanf.S
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@ -1 +0,0 @@
/* This function uses the same code as s_isnan.S. */