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H.J. Lu
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Ulrich Drepper
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Apr 15, 2010
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libc { | ||
GLIBC_PRIVATE { | ||
__get_cpu_features; | ||
} | ||
} |
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/* FMA version of fma. | ||
Copyright (C) 2010 Free Software Foundation, Inc. | ||
Contributed by Intel Corporation. | ||
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. */ | ||
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#include <config.h> | ||
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#ifdef HAVE_AVX_SUPPORT | ||
double | ||
__fma_fma (double x, double y, double z) | ||
{ | ||
asm ("vfmadd213sd %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z)); | ||
return x; | ||
} | ||
#endif |
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/* Multiple versions of fma. | ||
Copyright (C) 2010 Free Software Foundation, Inc. | ||
Contributed by Intel Corporation. | ||
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. */ | ||
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#include <config.h> | ||
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#ifdef HAVE_AVX_SUPPORT | ||
#include <math.h> | ||
#include <init-arch.h> | ||
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extern double __fma_ia32 (double x, double y, double z) attribute_hidden; | ||
extern double __fma_fma (double x, double y, double z) attribute_hidden; | ||
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libm_ifunc (__fma, HAS_FMA ? __fma_fma : __fma_ia32); | ||
weak_alias (__fma, fma) | ||
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# define __fma __fma_ia32 | ||
#endif | ||
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#include <math/s_fma.c> |
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Original file line number | Diff line number | Diff line change |
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/* FMA version of fmaf. | ||
Copyright (C) 2010 Free Software Foundation, Inc. | ||
Contributed by Intel Corporation. | ||
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. */ | ||
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#include <config.h> | ||
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#ifdef HAVE_AVX_SUPPORT | ||
float | ||
__fmaf_fma (float x, float y, float z) | ||
{ | ||
asm ("vfmadd213ss %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z)); | ||
return x; | ||
} | ||
#endif |
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@@ -0,0 +1,36 @@ | ||
/* Multiple versions of fmaf. | ||
Copyright (C) 2010 Free Software Foundation, Inc. | ||
Contributed by Intel Corporation. | ||
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. */ | ||
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#include <config.h> | ||
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#ifdef HAVE_AVX_SUPPORT | ||
#include <math.h> | ||
#include <init-arch.h> | ||
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extern float __fmaf_ia32 (float x, float y, float z) attribute_hidden; | ||
extern float __fmaf_fma (float x, float y, float z) attribute_hidden; | ||
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libm_ifunc (__fmaf, HAS_FMA ? __fmaf_fma : __fmaf_ia32); | ||
weak_alias (__fmaf, fmaf) | ||
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# define __fmaf __fmaf_ia32 | ||
#endif | ||
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#include <math/s_fmaf.c> |
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