Make ilogb wrappers type-generic.
This patch converts the ilogb wrappers (which set errno directly rather than doing anything with __kernel_standard) to use the type-generic template machinery. This is intended as preparation for adding llogb. Tested for x86_64 and x86, and tested compile for other architectures with build-many-glibcs.py. * math/w_ilogb_template.c: New file. Based on math/w_ilogb.c. * math/w_ilogb.c: Remove. * math/w_ilogbf.c: Likewise. * math/w_ilogbl.c: Likewise. * sysdeps/ieee754/ldbl-opt/w_ilogb.c: Likewise. * sysdeps/ieee754/ldbl-opt/w_ilogbl.c: Likewise. * math/Makefile (gen-libm-calls): Add w_ilogbF. (libm-calls): Remove w_ilogbF. * sysdeps/ieee754/ldbl-opt/math-type-macros-double.h (LDOUBLE_ilogbl_libm_version): New macro.
This commit is contained in:
Joseph Myers
parent
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commit
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11
ChangeLog
11
ChangeLog
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@ -1,5 +1,16 @@
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2016-11-28 Joseph Myers <joseph@codesourcery.com>
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* math/w_ilogb_template.c: New file. Based on math/w_ilogb.c.
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* math/w_ilogb.c: Remove.
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* math/w_ilogbf.c: Likewise.
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* math/w_ilogbl.c: Likewise.
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* sysdeps/ieee754/ldbl-opt/w_ilogb.c: Likewise.
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* sysdeps/ieee754/ldbl-opt/w_ilogbl.c: Likewise.
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* math/Makefile (gen-libm-calls): Add w_ilogbF.
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(libm-calls): Remove w_ilogbF.
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* sysdeps/ieee754/ldbl-opt/math-type-macros-double.h
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(LDOUBLE_ilogbl_libm_version): New macro.
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* sysdeps/unix/sysv/linux/ia64/tst-setcontext2.c: New file.
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* sysdeps/ia64/fpu/libm-symbols.h: Make contents conditional on
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@ -52,7 +52,7 @@ gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \
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k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
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s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \
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s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \
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s_nanF s_iseqsigF s_canonicalizeF
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s_nanF s_iseqsigF s_canonicalizeF w_ilogbF
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libm-calls = \
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e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
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@ -67,7 +67,6 @@ libm-calls = \
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w_atan2F w_atanhF w_coshF w_expF w_exp2F w_exp10F w_fmodF \
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w_tgammaF w_hypotF w_j0F w_j1F w_jnF w_lgammaF w_lgammaF_r \
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w_logF w_log10F w_powF w_remainderF w_scalbF w_sinhF w_sqrtF \
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w_ilogbF \
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s_fpclassifyF s_truncF \
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s_remquoF e_log2F e_exp2F s_roundF s_nearbyintF s_sincosF \
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s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F w_log2F \
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@ -1,6 +1,6 @@
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/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
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/* Wrapper to set errno for ilogb.
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Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Adhemerval Zanella <azanella@linux.vnet.ibm.com>, 2011.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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@ -23,9 +23,9 @@
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/* wrapper ilogb */
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int
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__ilogb (double x)
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M_DECL_FUNC (__ilogb) (FLOAT x)
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{
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int r = __ieee754_ilogb (x);
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int r = M_SUF (__ieee754_ilogb) (x);
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if (__builtin_expect (r == FP_ILOGB0, 0)
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|| __builtin_expect (r == FP_ILOGBNAN, 0)
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|| __builtin_expect (r == INT_MAX, 0))
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@ -35,8 +35,8 @@ __ilogb (double x)
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}
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return r;
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}
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weak_alias (__ilogb, ilogb)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__ilogb, __ilogbl)
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weak_alias (__ilogb, ilogbl)
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declare_mgen_alias (__ilogb, ilogb)
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#if M_LIBM_NEED_COMPAT (ilogb)
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declare_mgen_libm_compat (__ilogb, ilogb)
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#endif
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@ -1,38 +0,0 @@
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/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Adhemerval Zanella <azanella@linux.vnet.ibm.com>, 2011.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <errno.h>
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#include <limits.h>
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#include <math_private.h>
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/* wrapper ilogbf */
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int
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__ilogbf (float x)
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{
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int r = __ieee754_ilogbf (x);
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if (__builtin_expect (r == FP_ILOGB0, 0)
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|| __builtin_expect (r == FP_ILOGBNAN, 0)
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|| __builtin_expect (r == INT_MAX, 0))
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{
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__set_errno (EDOM);
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feraiseexcept (FE_INVALID);
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}
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return r;
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}
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weak_alias (__ilogbf, ilogbf)
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@ -1,38 +0,0 @@
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/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Adhemerval Zanella <azanella@linux.vnet.ibm.com>, 2011.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <errno.h>
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#include <limits.h>
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#include <math_private.h>
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/* wrapper ilogbl */
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int
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__ilogbl (long double x)
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{
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int r = __ieee754_ilogbl (x);
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if (__builtin_expect (r == FP_ILOGB0, 0)
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|| __builtin_expect (r == FP_ILOGBNAN, 0)
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|| __builtin_expect (r == INT_MAX, 0))
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{
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__set_errno (EDOM);
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feraiseexcept (FE_INVALID);
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}
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return r;
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}
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weak_alias (__ilogbl, ilogbl)
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@ -47,6 +47,7 @@
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#define LDOUBLE_fdiml_libm_version GLIBC_2_1
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#define LDOUBLE_fmaxl_libm_version GLIBC_2_1
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#define LDOUBLE_fminl_libm_version GLIBC_2_1
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#define LDOUBLE_ilogbl_libm_version GLIBC_2_0
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#define LDOUBLE_nanl_libm_version GLIBC_2_1
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/* Define compat symbols for long double on platforms
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#include <math_ldbl_opt.h>
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#include <math/w_ilogb.c>
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __ilogb, ilogbl, GLIBC_2_0);
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#endif
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#include <math_ldbl_opt.h>
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#undef weak_alias
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#define weak_alias(n,a)
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#include <math/w_ilogbl.c>
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long_double_symbol (libm, __ilogbl, ilogbl);
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