| Commit message (Collapse) | Author | Age | Files | Lines |
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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_Float128 is defined for certain compilers indirectly from
<libm-alias-double.h>, and <ieee754_float128.h> (included from
<math-nan-payload-float128.h>) needs this definition.
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This change will eventually make it possible to compile
stdlib/strtod_nan_main.c as part of math/s_nan_template.c.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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Continuing the use of generic macros for defining libm function
aliases, in preparation for adding more _FloatN / _FloatNx function
names, this patch makes the lgamma_r functions use such macros.
declare_mgen_alias_r becomes a standard macro in math-type-macros.h
instead of being locally defined in w_lgamma_r_templace.c. This in
turn must be defined by each math-type-macros-<type>.h. Rather than
providing an unused default in math-type-macros.h, that header is made
to give an error if math-type-macros-<type>.h failed to define
declare_mgen_alias or declare_mgen_alias_r. The compat lgamma_r
wrappers are updated similarly. The ldbl-opt versions are removed as
no longer needed.
Tested for x86_64, and with build-many-glibcs.py. Installed stripped
shared libraries are unchanged except for powerpc64le (where the usual
issue applies that an ldbl-opt long double function previously used
long_double_symbol unconditionally and now the symbol versions on
powerpc64le mean weak_alias is used instead, resulting in the same
symbol versions in the final shared library but still enough
difference in the input objects for that library not to be
byte-identical).
* sysdeps/generic/math-type-macros.h [!declare_mgen_alias]: Give
error. Remove default definition of declare_mgen_alias.
[!declare_mgen_alias_r]: Likewise.
* sysdeps/generic/math-type-macros-double.h
[!declare_mgen_alias_r] (declare_mgen_alias_r): New macro.
* sysdeps/generic/math-type-macros-float.h [!declare_mgen_alias_r]
(declare_mgen_alias_r): Likewise.
* sysdeps/generic/math-type-macros-float128.h
[!declare_mgen_alias_r] (declare_mgen_alias_r): Likewise.
* sysdeps/generic/math-type-macros-ldouble.h
[!declare_mgen_alias_r] (declare_mgen_alias_r): Likewise.
* math/w_lgamma_r_template.c (declare_mgen_alias_r_x): Remove
macro.
(declare_mgen_alias_r_s): Likewise.
(declare_mgen_alias_r): Likewise.
* math/w_lgamma_r_compat.c: Include <libm-alias-double.h>.
(lgamma_r): Define using libm_alias_double_r.
* math/w_lgammaf_r_compat.c: Include <libm-alias-float.h>.
(lgammaf_r): Define using libm_alias_float_r.
* math/w_lgammal_r_compat.c: Include <libm-alias-ldouble.h>.
(lgammal_r): Define using libm_alias_ldouble_r.
* sysdeps/ieee754/ldbl-opt/w_lgamma_r_compat.c: Remove file.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r_compat.c: Likewise.
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Continuing the process of setting up common macros for libm function
aliases, with a view to using them to define _FloatN / _FloatNx
aliases in future, this patch adds a libm_alias_double macro and uses
it in the type-generic templates.
This macro handles defining aliases for double, and for long double in
the NO_LONG_DOUBLE case. It also handles defining compat symbols for
long double = double for architectures that changed their long double
format. By so doing, it eliminates the need for the
M_LIBM_NEED_COMPAT and declare_mgen_libm_compat macros; the single
declare_mgen_alias call in each template now suffices to define all
required compat symbols. When used for more double functions (not
based on type-generic templates), I expect it will eliminate the need
for most ldbl-opt wrappers for such functions.
A few special cases are needed. __clog10l is a public symbol (for
historical reasons) so needs to be given appropriate compat versions
for architectures that changed their long double format, but is not
defined as an alias using the normal macros since __clog10* are *not*
public symbols for _FloatN / _FloatNx types. For scalbn, scalbln and
log1p, the changes adding errno setting support for those functions
left compat symbols pointing directly to the non-errno-setting
implementations. There is no requirement for the compat symbols not
to set errno; that just made for the simplest patches at that time.
Now, with these common macros, it's natural to redirect the compat
symbols to the errno-setting wrappers, which I intend to do in a
separate patch.
Tested for x86_64, and with build-many-glibcs.py. For ldbl-opt
platforms the stripped libm.so binaries are changed (disassembly
unchanged) because the details of how the clog10l compat symbol is
created mean it ceases to be weak as it was before; for other
platforms, stripped libm.so binaries are unchanged.
2017-09-13 Joseph Myers <joseph@codesourcery.com>
* sysdeps/generic/libm-alias-double.h: New file.
* sysdeps/ieee754/ldbl-opt/libm-alias-double.h: Likewise.
* sysdeps/generic/math-type-macros-double.h: Include
<libm-alias-double.h>.
[declare_mgen_alias] (declare_mgen_alias): Define to use
libm_alias_double.
* sysdeps/generic/math-type-macros.h [!M_LIBM_NEED_COMPAT]
(M_LIBM_NEED_COMPAT): Remove macro.
[!M_LIBM_NEED_COMPAT] (declare_mgen_libm_compat): Likewise.
* sysdeps/ieee754/ldbl-opt/math-type-macros-double.h: Remove.
* math/cabs_template.c [M_LIBM_NEED_COMPAT]: Remove conditional
code.
* math/carg_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/cimag_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/conj_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/creal_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_cacos_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_cacosh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_casin_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_casinh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_catan_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_catanh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_ccos_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_ccosh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_cexp_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_clog10_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_clog_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_cpow_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_cproj_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_csin_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_csinh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_csqrt_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_ctan_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_ctanh_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_fdim_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_fmax_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_fmin_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/s_nan_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* math/w_ilogb_template.c [M_LIBM_NEED_COMPAT]: Likewise.
* sysdeps/ieee754/ldbl-opt/s_clog10.c: New file.
* sysdeps/ieee754/ldbl-opt/s_ldexp.c (M_LIBM_NEED_COMPAT): Remove
macro.
(declare_mgen_alias): New macro.
* sysdeps/ieee754/ldbl-opt/w_log1p.c: New file.
* sysdeps/ieee754/ldbl-opt/w_scalbln.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.c
(M_LIBM_NEED_COMPAT): Remove macro.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c
[HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h> and
<first-versions.h>.
[HAVE_AS_VIS3_SUPPORT && LONG_DOUBLE_COMPAT (libm,
FIRST_VERSION_libm_fdiml)]: Define fdiml as compat symbol.
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The libm template machinery includes a macro declare_mgen_alias_2, to
define two function aliases rather than one. This macro is only used
in one place, to define ldexp and scalbn, and only has one nondefault
definition, for double in the case where long double has the same
format. That definition is because declare_mgen_alias for double, in
that case, defines <internal-func>l as an alias of <internal-func>, so
cannot be called twice for aliases of the same function.
Now, I suspect the <internal-func>l aliases are generally not needed
(with maybe a few exceptions such as __clog10l, which is an exported
function). But even in the presence of them, there is no need for a
special declare_mgen_alias_2 macro for this case. This patch
eliminates the need for such a macro by defining __wrap_scalbn<suffix>
as an alias of __ldexp<suffix>, and then using that when defining the
scalbn public aliases. This is similar to how such internal aliases
are created for functions with multiple symbol versions, for example.
Tested for x86_64, and with build-many-glibcs.py. (There *are* some
cases where installed stripped shared libraries change - not in the
generated code but because such changes to static symbols on input to
ld, even nonexported symbols that don't affect the code or dynamic
symbols, can affect the particular representation in the output of
string tables, hash tables etc.)
* sysdeps/generic/math-type-macros.h [!declare_mgen_alias_2]
(declare_mgen_alias_2): Remove.
* sysdeps/generic/math-type-macros-double.h
[NO_LONG_DOUBLE && !declare_mgen_alias_2] (declare_mgen_alias_2):
Likewise.
* math/s_ldexp_template.c (M_SUF (__wrap_scalbn)): Define strong
alias.
(ldexp): Define with declare_mgen_alias.
(scalbn): Likewise.
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The initial obsoletion of SVID libm error handling left the old
wrappers and __kernel_standard still being used for new ports and
static linking, just with macro definitions of _LIB_VERSION and
matherr that meant symbols with those names were never actually used
and the code for different error handling variants could be optimized
out.
This patch cleans things up further by eliminating the
__kernel_standard use for new ports and static linking. Now, the old
wrappers no longer generate any code in the !LIBM_SVID_COMPAT case,
while the new errno-only wrappers that were added for float128 support
are now also used for float, double and long double in that case.
The changes are generally straightforward. The w_scalb*_compat
wrappers continue to be used (scalb is obsolescent in the sense of not
being supported for float128, but is present in supported standards -
the 2001 edition of POSIX and earlier XSI versions - so remains
supported for static linking and new ports, as do the float and long
double variants that are existing GNU extensions). Those wrappers
would only call __kernel_standard in the _LIB_VERSION == _SVID_ case.
Since we would like to be able to compile most of glibc without
optimization, relying on a static function whose only use is under an
if (0) condition being optimized away to avoid an undefined
__kernel_standard reference may not be a good idea. Thus, the
relevant code in the scalb wrappers has LIBM_SVID_COMPAT conditionals
added to guarantee it's not built at all in the case where
__kernel_standard does not exist.
Just as i386 has its own w_sqrt_compat.c, so w_sqrt.c is also added.
ia64 gets dummy w_*.c to prevent those files being built where they
would conflict with the ia64 libm, as with its existing w_*_compat.c.
Conditions disabling code for !LIBM_SVID_COMPAT are needed in both the
math/ wrappers and in the long double wrappers in ldbl-opt (to avoid
them setting up aliases and symbol versions for undefined symbols). I
hope that future cleanups to how libm function aliases and symbol
versioning are done will eliminate the need for most of the ldbl-opt
wrappers.
Tested for x86_64 and x86, and with build-many-glibcs.py.
* sysdeps/generic/math-type-macros-double.h: Include
<math-svid-compat.h>.
(__USE_WRAPPER_TEMPLATE): Define to !LIBM_SVID_COMPAT.
* sysdeps/generic/math-type-macros-float.h: Include
<math-svid-compat.h>.
(__USE_WRAPPER_TEMPLATE): Define to !LIBM_SVID_COMPAT.
* sysdeps/generic/math-type-macros-ldouble.h: Include
<math-svid-compat.h>.
(__USE_WRAPPER_TEMPLATE): Define to !LIBM_SVID_COMPAT.
* math/lgamma-compat.h (BUILD_LGAMMA): Include LIBM_SVID_COMPAT
condition.
* math/w_acos_compat.c: Condition contents on [LIBM_SVID_COMPAT].
* math/w_acosf_compat.c: Likewise.
* math/w_acosh_compat.c: Likewise.
* math/w_acoshf_compat.c: Likewise.
* math/w_acoshl_compat.c: Likewise.
* math/w_acosl_compat.c: Likewise.
* math/w_asin_compat.c: Likewise.
* math/w_asinf_compat.c: Likewise.
* math/w_asinl_compat.c: Likewise.
* math/w_atan2_compat.c: Likewise.
* math/w_atan2f_compat.c: Likewise.
* math/w_atan2l_compat.c: Likewise.
* math/w_atanh_compat.c: Likewise.
* math/w_atanhf_compat.c: Likewise.
* math/w_atanhl_compat.c: Likewise.
* math/w_cosh_compat.c: Likewise.
* math/w_coshf_compat.c: Likewise.
* math/w_coshl_compat.c: Likewise.
* math/w_exp10_compat.c: Likewise.
* math/w_exp10f_compat.c: Likewise.
* math/w_exp10l_compat.c: Likewise.
* math/w_exp2_compat.c: Likewise.
* math/w_exp2f_compat.c: Likewise.
* math/w_exp2l_compat.c: Likewise.
* math/w_fmod_compat.c: Likewise.
* math/w_fmodf_compat.c: Likewise.
* math/w_fmodl_compat.c: Likewise.
* math/w_hypot_compat.c: Likewise.
* math/w_hypotf_compat.c: Likewise.
* math/w_hypotl_compat.c: Likewise.
* math/w_j0_compat.c: Likewise.
* math/w_j0f_compat.c: Likewise.
* math/w_j0l_compat.c: Likewise.
* math/w_j1_compat.c: Likewise.
* math/w_j1f_compat.c: Likewise.
* math/w_j1l_compat.c: Likewise.
* math/w_jn_compat.c: Likewise.
* math/w_jnf_compat.c: Likewise.
* math/w_jnl_compat.c: Likewise.
* math/w_lgamma_r_compat.c: Likewise.
* math/w_lgammaf_r_compat.c: Likewise.
* math/w_lgammal_r_compat.c: Likewise.
* math/w_log10_compat.c: Likewise.
* math/w_log10f_compat.c: Likewise.
* math/w_log10l_compat.c: Likewise.
* math/w_log2_compat.c: Likewise.
* math/w_log2f_compat.c: Likewise.
* math/w_log2l_compat.c: Likewise.
* math/w_log_compat.c: Likewise.
* math/w_logf_compat.c: Likewise.
* math/w_logl_compat.c: Likewise.
* math/w_pow_compat.c: Likewise.
* math/w_powf_compat.c: Likewise.
* math/w_powl_compat.c: Likewise.
* math/w_remainder_compat.c: Likewise.
* math/w_remainderf_compat.c: Likewise.
* math/w_remainderl_compat.c: Likewise.
* math/w_sinh_compat.c: Likewise.
* math/w_sinhf_compat.c: Likewise.
* math/w_sinhl_compat.c: Likewise.
* math/w_sqrt_compat.c: Likewise.
* math/w_sqrtf_compat.c: Likewise.
* math/w_sqrtl_compat.c: Likewise.
* math/w_tgamma_compat.c: Likewise.
* math/w_tgammaf_compat.c: Likewise.
* math/w_tgammal_compat.c: Likewise.
* math/w_scalb_compat.c (sysv_scalb): Condition definition on
[LIBM_SVID_COMPAT].
(__scalb): Condition call to sysv_scalb on [LIBM_SVID_COMPAT].
* math/w_scalbf_compat.c (sysv_scalbf): Condition definition on
[LIBM_SVID_COMPAT].
(__scalbf): Condition call to sysv_scalbf on [LIBM_SVID_COMPAT].
* math/w_scalbl_compat.c (sysv_scalbl): Condition definition on
[LIBM_SVID_COMPAT].
(__scalbl): Condition call to sysv_scalbl on [LIBM_SVID_COMPAT].
* sysdeps/i386/fpu/w_sqrt.c: New file.
* sysdeps/ia64/fpu/w_acos.c: Likewise.
* sysdeps/ia64/fpu/w_acosf.c: Likewise.
* sysdeps/ia64/fpu/w_acosh.c: Likewise.
* sysdeps/ia64/fpu/w_acoshf.c: Likewise.
* sysdeps/ia64/fpu/w_acoshl.c: Likewise.
* sysdeps/ia64/fpu/w_acosl.c: Likewise.
* sysdeps/ia64/fpu/w_asin.c: Likewise.
* sysdeps/ia64/fpu/w_asinf.c: Likewise.
* sysdeps/ia64/fpu/w_asinl.c: Likewise.
* sysdeps/ia64/fpu/w_atan2.c: Likewise.
* sysdeps/ia64/fpu/w_atan2f.c: Likewise.
* sysdeps/ia64/fpu/w_atan2l.c: Likewise.
* sysdeps/ia64/fpu/w_atanh.c: Likewise.
* sysdeps/ia64/fpu/w_atanhf.c: Likewise.
* sysdeps/ia64/fpu/w_atanhl.c: Likewise.
* sysdeps/ia64/fpu/w_cosh.c: Likewise.
* sysdeps/ia64/fpu/w_coshf.c: Likewise.
* sysdeps/ia64/fpu/w_coshl.c: Likewise.
* sysdeps/ia64/fpu/w_exp.c: Likewise.
* sysdeps/ia64/fpu/w_exp10.c: Likewise.
* sysdeps/ia64/fpu/w_exp10f.c: Likewise.
* sysdeps/ia64/fpu/w_exp10l.c: Likewise.
* sysdeps/ia64/fpu/w_exp2.c: Likewise.
* sysdeps/ia64/fpu/w_exp2f.c: Likewise.
* sysdeps/ia64/fpu/w_exp2l.c: Likewise.
* sysdeps/ia64/fpu/w_expf.c: Likewise.
* sysdeps/ia64/fpu/w_expl.c: Likewise.
* sysdeps/ia64/fpu/w_fmod.c: Likewise.
* sysdeps/ia64/fpu/w_fmodf.c: Likewise.
* sysdeps/ia64/fpu/w_fmodl.c: Likewise.
* sysdeps/ia64/fpu/w_hypot.c: Likewise.
* sysdeps/ia64/fpu/w_hypotf.c: Likewise.
* sysdeps/ia64/fpu/w_hypotl.c: Likewise.
* sysdeps/ia64/fpu/w_lgamma_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammaf_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammal_r.c: Likewise.
* sysdeps/ia64/fpu/w_log.c: Likewise.
* sysdeps/ia64/fpu/w_log10.c: Likewise.
* sysdeps/ia64/fpu/w_log10f.c: Likewise.
* sysdeps/ia64/fpu/w_log10l.c: Likewise.
* sysdeps/ia64/fpu/w_log2.c: Likewise.
* sysdeps/ia64/fpu/w_log2f.c: Likewise.
* sysdeps/ia64/fpu/w_log2l.c: Likewise.
* sysdeps/ia64/fpu/w_logf.c: Likewise.
* sysdeps/ia64/fpu/w_logl.c: Likewise.
* sysdeps/ia64/fpu/w_pow.c: Likewise.
* sysdeps/ia64/fpu/w_powf.c: Likewise.
* sysdeps/ia64/fpu/w_powl.c: Likewise.
* sysdeps/ia64/fpu/w_remainder.c: Likewise.
* sysdeps/ia64/fpu/w_remainderf.c: Likewise.
* sysdeps/ia64/fpu/w_remainderl.c: Likewise.
* sysdeps/ia64/fpu/w_sinh.c: Likewise.
* sysdeps/ia64/fpu/w_sinhf.c: Likewise.
* sysdeps/ia64/fpu/w_sinhl.c: Likewise.
* sysdeps/ia64/fpu/w_sqrt.c: Likewise.
* sysdeps/ia64/fpu/w_sqrtf.c: Likewise.
* sysdeps/ia64/fpu/w_sqrtl.c: Likewise.
* sysdeps/ia64/fpu/w_tgamma.c: Likewise.
* sysdeps/ia64/fpu/w_tgammaf.c: Likewise.
* sysdeps/ia64/fpu/w_tgammal.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Condition contents on
[LIBM_SVID_COMPAT].
* sysdeps/ieee754/flt-32/w_expf_compat.c: Likewise.
* sysdeps/ieee754/k_standard.c: Likewise.
* sysdeps/ieee754/k_standardf.c: Likewise.
* sysdeps/ieee754/k_standardl.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl_compat.c: Condition
long_double_symbol call on [LIBM_SVID_COMPAT].
* sysdeps/ieee754/ldbl-opt/w_acoshl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_acosl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_asinl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_atan2l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_atanhl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_coshl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_fmodl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_hypotl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_j0l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_j1l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_jnl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_log10l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_log2l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_logl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_powl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_remainderl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_sinhl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_sqrtl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_tgammal_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c: Condition
long_double_symbol and compat_symbol calls on [LIBM_SVID_COMPAT].
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Several wrappers for IEEE functions use _LIB_VERSION / matherr /
__kernel_standard functionality, which we want to obsolete. New
wrappers, such as for float128, must not use this functionality.
This patch adds new wrappers that only __set_errno and can be used by
the new float128 wrappers.
Tested for powerpc64le.
* math/Makefile: Add wrappers to gen-libm-calls.
* math/w_acos_template.c: New file.
* math/w_acosh_template.c: Likewise.
* math/w_asin_template.c: Likewise.
* math/w_atan2_template.c: Likewise.
* math/w_atanh_template.c: Likewise.
* math/w_cosh_template.c: Likewise.
* math/w_exp10_template.c: Likewise.
* math/w_exp2_template.c: Likewise.
* math/w_exp_template.c: Likewise.
* math/w_fmod_template.c: Likewise.
* math/w_hypot_template.c: Likewise.
* math/w_j0_template.c: Likewise.
* math/w_j1_template.c: Likewise.
* math/w_jn_template.c: Likewise.
* math/w_lgamma_r_template.c: Likewise.
* math/w_lgamma_template.c: Likewise.
* math/w_log10_template.c: Likewise.
* math/w_log2_template.c: Likewise.
* math/w_log_template.c: Likewise.
* math/w_pow_template.c: Likewise.
* math/w_remainder_template.c: Likewise.
* math/w_sinh_template.c: Likewise.
* math/w_sqrt_template.c: Likewise.
* math/w_tgamma_template.c: Likewise.: Likewise.
* sysdeps/generic/math-type-macros-double.h
(__USE_WRAPPER_TEMPLATE): New macro to control inclusion of
the new wrappers.
* sysdeps/generic/math-type-macros-float.h: Likewise.
* sysdeps/generic/math-type-macros-ldouble.h: Likewise.
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This requires adding a macro to synthesize the call
to __strto*_nan. Since this is likely to be the only
usage ever for strto* functions in generated libm
calls, a dedicated macro is defined for it.
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This one is a little more tricky since it is built both for
libm and libc, and exports multiple aliases.
To simplify aliasing, a new macro is introduced which handles
aliasing to two symbols. By default, it just applies
declare_mgen_alias to both target symbols.
Likewise, the makefile is tweaked a little to generate
templates for shared files too, and a new rule is added
to build m_*.c objects from the objpfx directory.
Verified there are no symbol or code changes using a script
to diff the *_ldexp* object files on s390x, aarch64, arm,
x86_64, and ppc64.
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The only difference is the usage of math_narrow_eval when
building s_fdiml.c. This should be harmless for long double,
but I did observe some code generation changes on m68k, but
lack the resources to test it.
Likewise, to more easily support overriding symbol generation,
the aliasing macros are always conditionally defined on their
absence to reduce boilerplate.
I also ran builds for i486, ppc64, sparcv9, aarch64,
s390x and observed no changes to s_fdim* objects.
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This defines a new classes of libm objects. The
<func>_template.c file which is used in conjunction
with the new makefile hooks to derive variants for
each type supported by the target machine.
The headers math-type-macros-TYPE.h are used to supply
macros to a common implementation of a function in
a file named FUNC_template.c and glued togethor via
a generated file matching existing naming in the
build directory.
This has the properties of preserving the existing
override mechanism and not requiring any arcane
build system twiddling. Likewise, it enables machines
to override these files without any additional work.
I have verified the built objects for ppc64, x86_64,
alpha, arm, and m68k do not change in any meaningful
way with these changes using the Fedora cross toolchains.
I have verified the x86_64 and ppc64 changes still run.
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