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Use libm_alias_double for s390.
Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes s390 libm function implementations use libm_alias_double to define function aliases. This allows sysdeps/unix/sysv/linux/s390/fpu/s_fma.c to be removed, as libm_alias_double handles symbol versioning for long double compat symbols. Tested with build-many-glibcs.py for s390-linux-gnu and s390x-linux-gnu that installed stripped shared libraries are unchanged by the patch. * sysdeps/s390/fpu/s_fma.c: Include <libm-alias-double.h>. [!__fma] (fma): Define using libm_alias_double. * sysdeps/unix/sysv/linux/s390/fpu/s_fma.c: Remove.
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@ -1,3 +1,9 @@
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2017-11-28 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/s390/fpu/s_fma.c: Include <libm-alias-double.h>.
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[!__fma] (fma): Define using libm_alias_double.
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* sysdeps/unix/sysv/linux/s390/fpu/s_fma.c: Remove.
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2017-11-28 Mike FABIAN <mfabian@redhat.com>
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[BZ #22336]
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@ -18,6 +18,7 @@
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<http://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <libm-alias-double.h>
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double
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__fma (double x, double y, double z)
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@ -27,10 +28,5 @@ __fma (double x, double y, double z)
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return r;
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}
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#ifndef __fma
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weak_alias (__fma, fma)
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#endif
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#ifdef NO_LONG_DOUBLE
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strong_alias (__fma, __fmal)
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weak_alias (__fmal, fmal)
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libm_alias_double (__fma, fma)
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#endif
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@ -1,5 +0,0 @@
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#include <math_ldbl_opt.h>
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#include <sysdeps/s390/fpu/s_fma.c>
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
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compat_symbol (libm, __fma, fmal, GLIBC_2_1);
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#endif
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