| Commit message (Collapse) | Author | Age | Files | Lines |
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Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes ia64 libm function implementations use
libm_alias_float to define function aliases. The same approach is
followed as with the corresponding long double and double patches: the
ia64-specific macros are left unchanged, with calls to
libm_alias_float_other being added in most cases and libm_alias_float
itself being used in only a few places.
Tested with build-many-glibcs.py for ia64-linux-gnu that installed
stripped shared libraries are unchanged by the patch.
* sysdeps/ia64/fpu/libm-symbols.h: Include <libm-alias-float.h>.
* sysdeps/ia64/fpu/e_acosf.S (acosf): Use libm_alias_float_other.
* sysdeps/ia64/fpu/e_acoshf.S (acoshf): Likewise.
* sysdeps/ia64/fpu/e_asinf.S (asinf): Likewise.
* sysdeps/ia64/fpu/e_atan2f.S (atan2f): Likewise.
* sysdeps/ia64/fpu/e_atanhf.S (atanhf): Likewise.
* sysdeps/ia64/fpu/e_coshf.S (coshf): Likewise.
* sysdeps/ia64/fpu/e_exp10f.S (exp10f): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S (exp2f): Likewise.
* sysdeps/ia64/fpu/e_expf.S (expf): Likewise.
* sysdeps/ia64/fpu/e_fmodf.S (fmodf): Likewise.
* sysdeps/ia64/fpu/e_hypotf.S (hypotf): Likewise.
* sysdeps/ia64/fpu/e_lgammaf_r.c (lgammaf_r): Define using
libm_alias_float_r.
* sysdeps/ia64/fpu/e_log2f.S (log2f): Use libm_alias_float_other.
* sysdeps/ia64/fpu/e_logf.S (log10f): Likewise.
(logf): Likewise.
* sysdeps/ia64/fpu/e_powf.S (powf): Likewise.
* sysdeps/ia64/fpu/e_remainderf.S (remainderf): Likewise.
* sysdeps/ia64/fpu/e_sinhf.S (sinhf): Likewise.
* sysdeps/ia64/fpu/e_sqrtf.S (sqrtf): Likewise.
* sysdeps/ia64/fpu/libm_sincosf.S (sincosf): Likewise.
* sysdeps/ia64/fpu/s_asinhf.S (asinhf): Likewise.
* sysdeps/ia64/fpu/s_atanf.S (atanf): Likewise.
* sysdeps/ia64/fpu/s_cbrtf.S (cbrtf): Likewise.
* sysdeps/ia64/fpu/s_ceilf.S (ceilf): Likewise.
* sysdeps/ia64/fpu/s_copysign.S (copysignf): Define using
libm_alias_float.
* sysdeps/ia64/fpu/s_cosf.S (sinf): Use libm_alias_float_other.
(cosf): Likewise.
* sysdeps/ia64/fpu/s_erfcf.S (erfcf): Likewise.
* sysdeps/ia64/fpu/s_erff.S (erff): Likewise.
* sysdeps/ia64/fpu/s_expm1f.S (expm1f): Likewise.
* sysdeps/ia64/fpu/s_fabsf.S (fabsf): Likewise.
* sysdeps/ia64/fpu/s_fdimf.S (fdimf): Likewise.
* sysdeps/ia64/fpu/s_floorf.S (floorf): Likewise.
* sysdeps/ia64/fpu/s_fmaf.S (fmaf): Likewise.
* sysdeps/ia64/fpu/s_fmaxf.S (fmaxf): Likewise.
* sysdeps/ia64/fpu/s_frexpf.c (frexpf): Likewise.
* sysdeps/ia64/fpu/s_ldexpf.c (ldexpf): Likewise.
* sysdeps/ia64/fpu/s_log1pf.S (log1pf): Likewise.
* sysdeps/ia64/fpu/s_logbf.S (logbf): Likewise.
* sysdeps/ia64/fpu/s_modff.S (modff): Likewise.
* sysdeps/ia64/fpu/s_nearbyintf.S (nearbyintf): Likewise.
* sysdeps/ia64/fpu/s_nextafterf.S (nextafterf): Likewise.
* sysdeps/ia64/fpu/s_rintf.S (rintf): Likewise.
* sysdeps/ia64/fpu/s_roundf.S (roundf): Likewise.
* sysdeps/ia64/fpu/s_scalblnf.c (scalblnf): Likewise.
* sysdeps/ia64/fpu/s_scalbnf.c (scalbnf): Define using
libm_alias_float.
* sysdeps/ia64/fpu/s_tanf.S (tanf): Use libm_alias_float_other.
* sysdeps/ia64/fpu/s_tanhf.S (tanhf): Likewise.
* sysdeps/ia64/fpu/s_truncf.S (truncf): Likewise.
* sysdeps/ia64/fpu/w_lgammaf_main.c
[BUILD_LGAMMA && !USE_AS_COMPAT] (lgammaf): Likewise.
* sysdeps/ia64/fpu/w_tgammaf_compat.S (tgammaf): Likewise.
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Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes ia64 libm function implementations use
libm_alias_double to define function aliases. The same approach is
followed as with the corresponding long double patch: the
ia64-specific macros are left unchanged, with calls to
libm_alias_double_other being added in most cases and
libm_alias_double itself being used in only a few places.
Tested with build-many-glibcs.py for ia64-linux-gnu that installed
stripped shared libraries are unchanged by the patch.
* sysdeps/ia64/fpu/libm-symbols.h: Include <libm-alias-double.h>.
* sysdeps/ia64/fpu/e_acos.S (acos): Use libm_alias_double_other.
* sysdeps/ia64/fpu/e_acosh.S (acosh): Likewise.
* sysdeps/ia64/fpu/e_asin.S (asin): Likewise.
* sysdeps/ia64/fpu/e_atan2.S (atan2): Likewise.
* sysdeps/ia64/fpu/e_atanh.S (atanh): Likewise.
* sysdeps/ia64/fpu/e_cosh.S (cosh): Likewise.
* sysdeps/ia64/fpu/e_exp.S (exp): Likewise.
* sysdeps/ia64/fpu/e_exp10.S (exp10): Likewise.
* sysdeps/ia64/fpu/e_exp2.S (exp2): Likewise.
* sysdeps/ia64/fpu/e_fmod.S (fmod): Likewise.
* sysdeps/ia64/fpu/e_hypot.S (hypot): Likewise.
* sysdeps/ia64/fpu/e_lgamma_r.c (lgamma_r): Define using
libm_alias_double_r.
* sysdeps/ia64/fpu/e_log.S (log10): Use libm_alias_double_other.
(log): Likewise.
* sysdeps/ia64/fpu/e_log2.S (log2): Likewise.
* sysdeps/ia64/fpu/e_pow.S (pow): Likewise.
* sysdeps/ia64/fpu/e_remainder.S (remainder): Likewise.
* sysdeps/ia64/fpu/e_sinh.S (sinh): Likewise.
* sysdeps/ia64/fpu/e_sqrt.S (sqrt): Likewise.
* sysdeps/ia64/fpu/libm_sincos.S (sincos): Likewise.
* sysdeps/ia64/fpu/s_asinh.S (asinh): Likewise.
* sysdeps/ia64/fpu/s_atan.S (atan): Likewise.
* sysdeps/ia64/fpu/s_cbrt.S (cbrt): Likewise.
* sysdeps/ia64/fpu/s_ceil.S (ceil): Likewise.
* sysdeps/ia64/fpu/s_copysign.S (copysign): Define using
libm_alias_double.
* sysdeps/ia64/fpu/s_cos.S (sin): Use libm_alias_double_other.
(cos): Likewise.
* sysdeps/ia64/fpu/s_erf.S (erf): Likewise.
* sysdeps/ia64/fpu/s_erfc.S (erfc): Likewise.
* sysdeps/ia64/fpu/s_expm1.S (expm1): Likewise.
* sysdeps/ia64/fpu/s_fabs.S (fabs): Likewise.
* sysdeps/ia64/fpu/s_fdim.S (fdim): Likewise.
* sysdeps/ia64/fpu/s_floor.S (floor): Likewise.
* sysdeps/ia64/fpu/s_fma.S (fma): Likewise.
* sysdeps/ia64/fpu/s_fmax.S (fmax): Likewise.
* sysdeps/ia64/fpu/s_frexp.c (frexp): Likewise.
* sysdeps/ia64/fpu/s_ldexp.c (ldexp): Likewise.
* sysdeps/ia64/fpu/s_log1p.S (log1p): Likewise.
* sysdeps/ia64/fpu/s_logb.S (logb): Likewise.
* sysdeps/ia64/fpu/s_modf.S (modf): Likewise.
* sysdeps/ia64/fpu/s_nearbyint.S (nearbyint): Likewise.
* sysdeps/ia64/fpu/s_nextafter.S (nextafter): Likewise.
* sysdeps/ia64/fpu/s_rint.S (rint): Likewise.
* sysdeps/ia64/fpu/s_round.S (round): Likewise.
* sysdeps/ia64/fpu/s_scalbn.c (scalbn): Define using
libm_alias_double.
* sysdeps/ia64/fpu/s_tan.S (tan): Use libm_alias_double_other.
* sysdeps/ia64/fpu/s_tanh.S (tanh): Likewise.
* sysdeps/ia64/fpu/s_trunc.S (trunc): Likewise.
* sysdeps/ia64/fpu/w_lgamma_main.c
[BUILD_LGAMMA && !USE_AS_COMPAT] (lgamma): Likewise.
* sysdeps/ia64/fpu/w_tgamma_compat.S (tgamma): Likewise.
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Continuing the preparation for additional _FloatN / _FloatNx aliases,
this patch makes long double functions in sysdeps/ia64/fpu use
libm_alias_ldouble macros, so that they can have _Float64x aliases
added in future.
Most ia64 libm functions are defined using ia64-specific macros in
libm-symbols.h. These are left unchanged, with libm-alias-ldouble.h
included from libm-symbols.h (and the expectation that other
libm-alias-*.h headers will be included from there as well in future),
and libm_alias_ldouble_other then being used in most cases to define
aliases for any additional types (currently the empty set). Functions
that used weak_alias are converted to use libm_alias_ldouble.
Tested (compilation only) with build-many-glibcs.py for ia64,
including that installed stripped shared libraries are unchanged by
the patch.
* sysdeps/ia64/fpu/libm-symbols.h: Include <libm-alias-ldouble.h>.
* sysdeps/ia64/fpu/e_acoshl.S (acoshl): Use
libm_alias_ldouble_other.
* sysdeps/ia64/fpu/e_acosl.S (acosl): Likewise.
* sysdeps/ia64/fpu/e_asinl.S (asinl): Likewise.
* sysdeps/ia64/fpu/e_atanhl.S (atanhl): Likewise.
* sysdeps/ia64/fpu/e_coshl.S (coshl): Likewise.
* sysdeps/ia64/fpu/e_exp10l.S (exp10l): Likewise.
* sysdeps/ia64/fpu/e_exp2l.S (exp2l): Likewise.
* sysdeps/ia64/fpu/e_fmodl.S (fmodl): Likewise.
* sysdeps/ia64/fpu/e_hypotl.S (hypotl): Likewise.
* sysdeps/ia64/fpu/e_lgammal_r.c (lgammal_r): Define using
libm_alias_ldouble_r.
* sysdeps/ia64/fpu/e_log2l.S (log2l): Use
libm_alias_ldouble_other.
* sysdeps/ia64/fpu/e_logl.S (logl): Likewise.
(log10l): Likewise.
* sysdeps/ia64/fpu/e_powl.S (powl): Likewise.
* sysdeps/ia64/fpu/e_remainderl.S (remainderl): Likewise.
* sysdeps/ia64/fpu/e_sinhl.S (sinhl): Likewise.
* sysdeps/ia64/fpu/e_sqrtl.S (sqrtl): Likewise.
* sysdeps/ia64/fpu/libm_sincosl.S (sincosl): Likewise.
* sysdeps/ia64/fpu/s_asinhl.S (asinhl): Likewise.
* sysdeps/ia64/fpu/s_atanl.S (atanl): Likewise.
(atan2l): Likewise.
* sysdeps/ia64/fpu/s_cbrtl.S (cbrtl): Likewise.
* sysdeps/ia64/fpu/s_ceill.S (ceill): Likewise.
* sysdeps/ia64/fpu/s_copysign.S (copysignl): Define using
libm_alias_ldouble.
* sysdeps/ia64/fpu/s_cosl.S (sinl): Use libm_alias_ldouble_other.
(cosl): Likewise.
* sysdeps/ia64/fpu/s_erfcl.S (erfcl): Likewise.
* sysdeps/ia64/fpu/s_erfl.S (erfl): Likewise.
* sysdeps/ia64/fpu/s_expm1l.S (expm1l): Likewise.
(expl): Likewise.
* sysdeps/ia64/fpu/s_fabsl.S (fabsl): Likewise.
* sysdeps/ia64/fpu/s_fdiml.S (fdiml): Likewise.
* sysdeps/ia64/fpu/s_floorl.S (floorl): Likewise.
* sysdeps/ia64/fpu/s_fmal.S (fmal): Likewise.
* sysdeps/ia64/fpu/s_fmaxl.S (fmaxl): Likewise.
* sysdeps/ia64/fpu/s_frexpl.c (frexpl): Likewise.
* sysdeps/ia64/fpu/s_ldexpl.c (ldexpl): Likewise.
* sysdeps/ia64/fpu/s_log1pl.S (log1pl): Likewise.
* sysdeps/ia64/fpu/s_logbl.S (logbl): Likewise.
* sysdeps/ia64/fpu/s_modfl.S (modfl): Likewise.
* sysdeps/ia64/fpu/s_nearbyintl.S (nearbyintl): Define using
libm_alias_ldouble.
* sysdeps/ia64/fpu/s_nextafterl.S (nextafterl): Use
libm_alias_ldouble_other.
* sysdeps/ia64/fpu/s_rintl.S (rintl): Likewise.
* sysdeps/ia64/fpu/s_roundl.S (roundl): Likewise.
* sysdeps/ia64/fpu/s_scalbnl.c (scalbnl): Define using
libm_alias_ldouble.
* sysdeps/ia64/fpu/s_tanhl.S (tanhl): Use
libm_alias_ldouble_other.
* sysdeps/ia64/fpu/s_tanl.S (tanl): Likewise.
* sysdeps/ia64/fpu/s_truncl.S (truncl): Likewise.
* sysdeps/ia64/fpu/w_lgammal_main.c
[BUILD_LGAMMA && !USE_AS_COMPAT] (lgammal): Likewise.
* sysdeps/ia64/fpu/w_tgammal_compat.S (tgammal): Likewise.
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This patch changes the logf, log2f and powf error handling semantics
to only set errno accoring to POSIX rules. New symbol version is
introduced at GLIBC_2.27.
The old wrappers are kept for compat symbols.
ia64 needed assembly change to have the new and compat versioned
symbol map to the same function.
All linux libm abilists are updated.
* math/Versions (logf): New libm symbol at GLIBC_2.27.
(log2f): Likewise.
(powf): Likewise.
* math/w_log2f.c: New file.
* math/w_logf.c: New file.
* math/w_powf.c: New file.
* math/w_log2f_compat.c (__log2f_compat): For compat symbol only.
* math/w_logf_compat.c (__logf_compat): Likewise.
* math/w_powf_compat.c (__powf_compat): Likewise.
* sysdeps/ia64/fpu/e_log2f.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_logf.S: Likewise.
* sysdeps/ia64/fpu/e_powf.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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without wrapper on aarch64:
powf reciprocal-throughput: 4.2x faster
powf latency: 2.6x faster
old worst-case error: 1.11 ulp
new worst-case error: 0.82 ulp
aarch64 .text size: -780 bytes
aarch64 .rodata size: +144 bytes
powf(x,y) is implemented as exp2(y*log2(x)) with the same algorithms
that are used in exp2f and log2f, except that the log2f polynomial is
larger for extra precision and its output (and exp2f input) may be
scaled by a power of 2 (POWF_SCALE) to simplify the argument reduction
step of exp2 (possible when efficient round and convert toint operation
is available).
The special case handling tries to minimize the checks in the hot path.
When the input of exp2_inline is checked, int arithmetics is used as
that was faster on the tested aarch64 cores.
* math/Makefile (type-float-routines): Add e_powf_log2_data.
* sysdeps/ieee754/flt-32/e_powf.c: New implementation.
* sysdeps/ieee754/flt-32/e_powf_log2_data.c: New file.
* sysdeps/ieee754/flt-32/math_config.h (__powf_log2_data): Define.
(issignalingf_inline): Likewise.
(POWF_LOG2_TABLE_BITS): Likewise.
(POWF_LOG2_POLY_ORDER): Likewise.
(POWF_SCALE_BITS): Likewise.
(POWF_SCALE): Likewise.
* sysdeps/i386/fpu/e_powf_log2_data.c: New file.
* sysdeps/ia64/fpu/e_powf_log2_data.c: New file.
* sysdeps/m68k/m680x0/fpu/e_powf_log2_data.c: New file.
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Similar to the new logf: double precision arithmetics and a small
lookup table is used. The argument reduction step is the same as in
the new logf.
without wrapper on aarch64:
log2f reciprocal-throughput: 2.3x faster
log2f latency: 2.1x faster
old worst case error: 1.72 ulp
new worst case error: 0.75 ulp
aarch64 .text size: -252 bytes
aarch64 .rodata size: +244 bytes
* math/Makefile (type-float-routines): Add e_log2f_data.
* sysdeps/ieee754/flt-32/e_log2f.c: New implementation.
* sysdeps/ieee754/flt-32/e_log2f_data.c: New file.
* sysdeps/ieee754/flt-32/math_config.h (__log2f_data): Define.
(LOG2F_TABLE_BITS, LOG2F_POLY_ORDER): Define.
* sysdeps/i386/fpu/e_log2f_data.c: New file.
* sysdeps/ia64/fpu/e_log2f_data.c: New file.
* sysdeps/m68k/m680x0/fpu/e_log2f_data.c: New file.
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without wrapper on aarch64:
logf reciprocal-throughput: 2.2x faster
logf latency: 1.9x faster
old worst case error: 0.89 ulp
new worst case error: 0.82 ulp
aarch64 .text size: -356 bytes
aarch64 .rodata size: +240 bytes
Uses double precision arithmetics and a lookup table to allow smaller
polynomial and avoid the use of division.
Data is in a separate translation unit with fixed layout to prevent the
compiler generating suboptimal literal access.
Errors are handled inline according to POSIX rules, but this patch
keeps the wrapper with SVID compatible error handling.
Needs libm-test-ulps adjustment for clogf in non-nearest rounding mode.
* math/Makefile (type-float-routines): Add e_logf_data.
* sysdeps/ieee754/flt-32/e_logf.c: New implementation.
* sysdeps/ieee754/flt-32/e_logf_data.c: New file.
* sysdeps/ieee754/flt-32/math_config.h (__logf_data): Define.
(LOGF_TABLE_BITS, LOGF_POLY_ORDER): Define.
* sysdeps/i386/fpu/e_logf_data.c: New file.
* sysdeps/ia64/fpu/e_logf_data.c: New file.
* sysdeps/m68k/m680x0/fpu/e_logf_data.c: New file.
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Remove __signbit inlines from mathinline.h. Math.h already uses
the builtin when supported, so additional inlines are only used
on pre 4.0 GCCs. Similarly remove ancient copysign and fabs
inlines.
* sysdeps/alpha/fpu/bits/mathinline.h: Delete file.
* sysdeps/ia64/fpu/bits/mathinline.h: Delete file.
* sysdeps/m68k/coldfire/fpu/bits/mathinline.h: Delete file.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h: (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/powerpc/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/s390/fpu/bits/mathinline.h: (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove
* sysdeps/sparc/fpu/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/tile/bits/mathinline.h: Delete file.
* sysdeps/x86/fpu/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
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This patch changes the expf and exp2f error handling semantics to only
set errno accoring to POSIX rules. New symbol version is introduced at
GLIBC_2.27.
The old wrappers are kept for compat symbols.
Internal calls to __expf now get the new error semantics, this seems to
only affect sysdeps/i386/fpu/s_expm1f.S where the errno-only behaviour
should be correct.
ia64 needed assembly change to have the new and compat versioned symbol
map to the same function.
All linux libm abilists are updated.
* math/Versions (expf): New libm symbol at GLIBC_2.27.
(exp2f): Likewise.
* math/w_exp2f.c: New file.
* math/w_expf.c: New file.
* math/w_exp2f_compat.c (__exp2f_compat): For compat symbol only.
* math/w_expf_compat.c (__expf_compat): Likewise.
* sysdeps/ia64/fpu/e_exp2f.S: Add versioned symbols.
* sysdeps/ia64/fpu/e_expf.S: Likewise.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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Based on new expf and exp2f code from
https://github.com/ARM-software/optimized-routines/
with wrapper on aarch64:
expf reciprocal-throughput: 2.3x faster
expf latency: 1.7x faster
without wrapper on aarch64:
expf reciprocal-throughput: 3.3x faster
expf latency: 1.7x faster
without wrapper on aarch64:
exp2f reciprocal-throughput: 2.8x faster
exp2f latency: 1.3x faster
libm.so size on aarch64:
.text size: -152 bytes
.rodata size: -1740 bytes
expf/exp2f worst case nearest rounding error: 0.502 ulp
worst case non-nearest rounding error: 1 ulp
Error checks are inline and errno setting is in separate tail called
functions, but the wrappers are kept in this patch to handle the
_LIB_VERSION==_SVID_ case. (So e.g. errno is set twice for expf calls
and once for __expf_finite calls on targets where the new code is used.)
Double precision arithmetics is used which is expected to be faster on
most targets (including soft-float) than using single precision and it
is easier to get good precision result with it.
Const data is kept in a separate translation unit which complicates
maintenance a bit, but is expected to give good code for literal loads
on most targets and allows sharing data across expf, exp2f and powf.
(This data is disabled on i386, m68k and ia64 which have their own
expf, exp2f and powf code.)
Some details may need target specific tweaks:
- best convert and round to int operation in the arg reduction may be
different across targets.
- code was optimized on fma target, optimal polynomial eval may be
different without fma.
- gcc does not always generate good code for fp bit representation
access via unions or it may be inherently slow on some targets.
The libm-test-ulps will need adjustment because..
- The argument reduction ideally uses nearest rounded rint, but that is
not efficient on most targets, so the polynomial can get evaluated on a
wider interval in non-nearest rounding mode making 1 ulp errors common
in that case.
- The polynomial is evaluated such that it may have 1 ulp error on
negative tiny inputs with upward rounding.
* math/Makefile (type-float-routines): Add math_errf and e_exp2f_data.
* sysdeps/aarch64/fpu/math_private.h (TOINT_INTRINSICS): Define.
(roundtoint, converttoint): Likewise.
* sysdeps/ieee754/flt-32/e_expf.c: New implementation.
* sysdeps/ieee754/flt-32/e_exp2f.c: New implementation.
* sysdeps/ieee754/flt-32/e_exp2f_data.c: New file.
* sysdeps/ieee754/flt-32/math_config.h: New file.
* sysdeps/ieee754/flt-32/math_errf.c: New file.
* sysdeps/ieee754/flt-32/t_exp2f.h: Remove.
* sysdeps/i386/fpu/e_exp2f_data.c: New file.
* sysdeps/i386/fpu/math_errf.c: New file.
* sysdeps/ia64/fpu/e_exp2f_data.c: New file.
* sysdeps/ia64/fpu/math_errf.c: New file.
* sysdeps/m68k/m680x0/fpu/e_exp2f_data.c: New file.
* sysdeps/m68k/m680x0/fpu/math_errf.c: New file.
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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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This patch obsoletes the pow10, pow10f and pow10l functions (makes
them into compat symbols, not available for new ports or static
linking). The exp10 names for these functions are standardized (in TS
18661-4) and were added in the same glibc version (2.1) as pow10 so
source code can change to use them without any loss of portability.
Since pow10 is deliberately not provided for _Float128, only exp10,
this slightly simplifies moving to the new wrapper templates in the
!LIBM_SVID_COMPAT case, by avoiding needing to arrange for pow10,
pow10f and pow10l to be defined by those templates.
Tested for x86_64, and with build-many-glibcs.py.
* manual/math.texi (pow10): Do not document.
(pow10f): Likewise.
(pow10l): Likewise.
* math/bits/mathcalls.h [__USE_GNU] (pow10): Do not declare.
* math/bits/math-finite.h [__USE_GNU] (pow10): Likewise.
* math/libm-test-exp10.inc (pow10_test): Remove.
(do_test): Do not call pow10.
* math/w_exp10_compat.c (pow10): Make into compat symbol.
[NO_LONG_DOUBLE] (pow10l): Likewise.
* math/w_exp10f_compat.c (pow10f): Likewise.
* math/w_exp10l_compat.c (pow10l): Likewise.
* sysdeps/ia64/fpu/e_exp10.S: Include <shlib-compat.h>.
(pow10): Make into compat symbol.
* sysdeps/ia64/fpu/e_exp10f.S: Include <shlib-compat.h>.
(pow10f): Make into compat symbol.
* sysdeps/ia64/fpu/e_exp10l.S: Include <shlib-compat.h>.
(pow10l): Make into compat symbol.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Remove
pow10.
(CFLAGS-nldbl-pow10.c): Remove variable..
* sysdeps/ieee754/ldbl-opt/nldbl-pow10.c: Remove file.
* sysdeps/ieee754/ldbl-opt/w_exp10_compat.c (pow10l): Condition on
[SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)].
* sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c (compat_symbol):
Undefine and redefine.
(pow10l): Make into compat symbol.
* sysdeps/aarch64/libm-test-ulps: Remove pow10 ulps.
* sysdeps/alpha/fpu/libm-test-ulps: Likewise.
* sysdeps/arm/libm-test-ulps: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/nios2/libm-test-ulps: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
* sysdeps/s390/fpu/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps: Likewise.
* sysdeps/tile/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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This patch obsoletes support for SVID libm error handling (the system
where a user-defined function matherr is called on a libm function
error; only enabled if you also set _LIB_VERSION = _SVID_ or
_LIB_VERSION = _XOPEN_) and the use of the _LIB_VERSION global
variable to control libm error handling. matherr and _LIB_VERSION are
made into compat symbols, not supported for new ports or for static
linking. The libieee.a object file (which sets _LIB_VERSION = _IEEE_,
so disabling errno setting for some functions) is also removed, and
all the related definitions are removed from math.h.
The manual already recommends against using matherr, and it's already
not supported for _Float128 functions (those use new wrappers that
don't support matherr, only errno) - this patch means that it becomes
possible to e.g. add sinf32 as an alias to sinf without that resulting
in undesired matherr support in sinf32 for existing glibc ports.
matherr support is not part of any standard supported by glibc (it was
removed in XPG4).
Because matherr is a function to be defined by the user, of course
user programs defining such a function will still continue to link; it
just quietly won't be used. If they try to write to the library's
copy of _LIB_VERSION to enable SVID error handling, however, they will
get a link error (but if they define their own _LIB_VERSION variable,
they won't).
I expect the most likely case of build failures from this patch to be
programs with unconditional cargo-culted uses of -lieee (based on a
notion of "I want IEEE floating point", not any actual requirement for
that library).
Ideally, the new-port-or-static-linking case would use the new
wrappers used for _Float128. This is not implemented in this patch,
because of the complication of architecture-specific (powerpc32 and
sparc) sqrt wrappers that use _LIB_VERSION and __kernel_standard
directly. Thus, the old wrappers and __kernel_standard are still
built unconditionally, and _LIB_VERSION still exists in static libm.
But when the old wrappers and __kernel_standard are built in the
non-compat case, _LIB_VERSION and matherr are defined as macros so
code to support those features isn't actually built into static libm
or new ports' shared libm after this patch.
I intend to move to the new wrappers for static libm and new ports in
followup patches. I believe the sqrt wrappers for powerpc32 and sparc
can reasonably be removed. GCC already optimizes the normal case of
sqrt by generating code that uses a hardware instruction and only
calls the sqrt function if the argument was negative (if
-fno-math-errno, of course, it just uses the hardware instruction
without any check for negative argument being needed). Thus those
wrappers will only actually get called in the case of negative
arguments, which is not a case it makes sense to optimize for. But
even without removing the powerpc32 and sparc wrappers it should still
be possible to move to the new wrappers for static libm and new ports,
just without having those dubious architecture-specific optimizations
in static libm.
Everything said about matherr equally applies to matherrf and matherrl
(IA64-specific, undocumented), except that the structure of IA64 libm
means it won't be converted to using the new wrappers (it doesn't use
the old ones either, but its own error-handling code instead).
As with other tests of compat symbols, I expect test-matherr and
test-matherr-2 to need to become appropriately conditional once we
have a system for disabling such tests for ports too new to have the
relevant symbols.
Tested for x86_64 and x86, and with build-many-glibcs.py.
* math/math.h [__USE_MISC] (_LIB_VERSION_TYPE): Remove.
[__USE_MISC] (_LIB_VERSION): Likewise.
[__USE_MISC] (struct exception): Likewise.
[__USE_MISC] (matherr): Likewise.
[__USE_MISC] (DOMAIN): Likewise.
[__USE_MISC] (SING): Likewise.
[__USE_MISC] (OVERFLOW): Likewise.
[__USE_MISC] (UNDERFLOW): Likewise.
[__USE_MISC] (TLOSS): Likewise.
[__USE_MISC] (PLOSS): Likewise.
[__USE_MISC] (HUGE): Likewise.
[__USE_XOPEN] (MAXFLOAT): Define even if [__USE_MISC].
* math/math-svid-compat.h: New file.
* conform/linknamespace.pl (@whitelist): Remove matherr, matherrf
and matherrl.
* include/math.h [!_ISOMAC] (__matherr): Remove.
* manual/arith.texi (FP Exceptions): Do not document matherr.
* math/Makefile (tests): Change test-matherr to test-matherr-3.
(tests-internal): New variable.
(install-lib): Do not add libieee.a.
(non-lib.a): Likewise.
(extra-objs): Do not add libieee.a and ieee-math.o.
(CPPFLAGS-s_lib_version.c): Remove variable.
($(objpfx)libieee.a): Remove rule.
($(addprefix $(objpfx), $(tests-internal)): Depend on $(libm).
* math/ieee-math.c: Remove.
* math/libm-test-support.c (matherr): Remove.
* math/test-matherr.c: Use <support/test-driver.c>. Add copyright
and license notices. Include <math-svid-compat.h> and
<shlib-compat.h>.
(matherr): Undefine as macro. Use compat_symbol_reference.
(_LIB_VERSION): Likewise.
* math/test-matherr-2.c: New file.
* math/test-matherr-3.c: Likewise.
* sysdeps/generic/math_private.h (__kernel_standard): Remove
declaration.
(__kernel_standard_f): Likewise.
(__kernel_standard_l): Likewise.
* sysdeps/ieee754/s_lib_version.c: Do not include <math.h> or
<math_private.h>. Include <math-svid-compat.h>.
(_LIB_VERSION): Undefine as macro.
(_LIB_VERSION_INTERNAL): Always initialize to _POSIX_. Define
only if [LIBM_SVID_COMPAT || !defined SHARED]. If
[LIBM_SVID_COMPAT], use compat_symbol.
* sysdeps/ieee754/s_matherr.c: Do not include <math.h> or
<math_private.h>. Include <math-svid-compat.h>.
(matherr): Undefine as macro.
(__matherr): Define only if [LIBM_SVID_COMPAT]. Use
compat_symbol.
* sysdeps/ia64/fpu/libm_error.c: Include <math-svid-compat.h>.
[_LIBC && LIBM_SVID_COMPAT] (matherrf): Use
compat_symbol_reference.
[_LIBC && LIBM_SVID_COMPAT] (matherrl): Likewise.
[_LIBC && !LIBM_SVID_COMPAT] (matherrf): Define as macro.
[_LIBC && !LIBM_SVID_COMPAT] (matherrl): Likewise.
* sysdeps/ia64/fpu/libm_support.h: Include <math-svid-compat.h>.
(MATHERR_D): Remove declaration.
[!_LIBC] (_LIB_VERSION_TYPE): Likewise
[!LIBM_BUILD] (_LIB_VERSIONIMF): Likewise.
[LIBM_BUILD] (pmatherrf): Likewise.
[LIBM_BUILD] (pmatherr): Likewise.
[LIBM_BUILD] (pmatherrl): Likewise.
(DOMAIN): Likewise.
(SING): Likewise.
(OVERFLOW): Likewise.
(UNDERFLOW): Likewise.
(TLOSS): Likewise.
(PLOSS): Likewise.
* sysdeps/ia64/fpu/s_matherrf.c: Include <math-svid-compat.h>.
(__matherrf): Define only if [LIBM_SVID_COMPAT]. Use
compat_symbol.
* sysdeps/ia64/fpu/s_matherrl.c: Include <math-svid-compat.h>.
(__matherrl): Define only if [LIBM_SVID_COMPAT]. Use
compat_symbol.
* math/lgamma-compat.h: Include <math-svid-compat.h>.
* math/w_acos_compat.c: Likewise.
* 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_main.c: Likewise.
* math/w_lgamma_r_compat.c: Likewise.
* math/w_lgammaf_main.c: Likewise.
* math/w_lgammaf_r_compat.c: Likewise.
* math/w_lgammal_main.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_scalb_compat.c: Likewise.
* math/w_scalbf_compat.c: Likewise.
* math/w_scalbl_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.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Likewise.
* 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/powerpc/powerpc32/power4/fpu/w_sqrt_compat.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/w_sqrtf_compat.S: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/w_sqrt_compat.S: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/w_sqrtf_compat.S: Likewise.
* sysdeps/sparc/sparc32/fpu/w_sqrt_compat.S: Likewise.
* sysdeps/sparc/sparc32/fpu/w_sqrtf_compat.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrt_compat-vis3.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/w_sqrtf_compat-vis3.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt_compat.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf_compat.S: Likewise.
* sysdeps/sparc/sparc64/fpu/w_sqrt_compat.S: Likewise.
* sysdeps/sparc/sparc64/fpu/w_sqrtf_compat.S: Likewise.
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This patch enables float128 support for ia64, so that all the
configurations where GCC supports _Float128 / __float128 as an
ABI-distinct type now have glibc support as well. bits/floatn.h
declares the support to be available for GCC 4.4 and later, which is
when the libgcc support was added. The removal of
sysdeps/ia64/fpu/k_rem_pio2.c is because the generic k_rem_pio2.c
defines a function required by the float128 code.
Tested (compilation only) with build-many-glibcs.py for ia64 (GCC 6
and GCC 7).
Given how long it is since libm-test-ulps has been updated for ia64, I
think truncating the file and regenerating it from scratch would be a
good idea when doing a regeneration to add float128 ulps. I expect
various ia64 libm issues (at least some already filed in Bugzilla) to
result in test failures even after ulps regeneration, but hopefully
the float128 code will pass tests as it's the same as used on other
architectures.
* sysdeps/ia64/Implies: Add ieee754/float128.
* sysdeps/ia64/bits/floatn.h: New file.
* sysdeps/ia64/float128-abi.h: Likewise.
* manual/math.texi (Mathematics): Document support for _Float128
on ia64.
* sysdeps/ia64/Makefile [$(subdir) = math] (CPPFLAGS): Append to
Makefile variable.
* sysdeps/ia64/fpu/e_sqrtf128.c: New file.
* sysdeps/ia64/fpu/k_rem_pio2.c: Remove file.
* sysdeps/ia64/fpu/sfp-machine.h: New file. Based on libgcc.
* sysdeps/ia64/math-tests.h: New file.
* math/libm-test-support.h (XFAIL_FLOAT128_PAYLOAD): Also define
based on TEST_COND_binary128 for [__ia64__].
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Update.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise,
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This patch adds a new build module called 'testsuite'.
IS_IN (testsuite) implies _ISOMAC, as do IS_IN_build and __cplusplus
(which means several ad-hoc tests for __cplusplus can go away).
libc-symbols.h now suppresses almost all of *itself* when _ISOMAC is
defined; in particular, _ISOMAC mode does not get config.h
automatically anymore.
There are still quite a few tests that need to see internal gunk of
one variety or another. For them, we now have 'tests-internal' and
'test-internal-extras'; files in this category will still be compiled
with MODULE_NAME=nonlib, and everything proceeds as it always has.
The bulk of this patch is moving tests from 'tests' to
'tests-internal'. There is also 'tests-static-internal', which has
the same effect on files in 'tests-static', and 'modules-names-tests',
which has the *inverse* effect on files in 'modules-names' (it's
inverted because most of the things in modules-names are *not* tests).
For both of these, the file must appear in *both* the new variable and
the old one.
There is also now a special case for when libc-symbols.h is included
without MODULE_NAME being defined at all. (This happens during the
creation of libc-modules.h, and also when preprocessing Versions
files.) When this happens, IS_IN is set to be always false and
_ISOMAC is *not* defined, which was the status quo, but now it's
explicit.
The remaining changes to C source files in this patch seemed likely to
cause problems in the absence of the main change. They should be
relatively self-explanatory. In a few cases I duplicated a definition
from an internal header rather than move the test to tests-internal;
this was a judgement call each time and I'm happy to change those
however reviewers feel is more appropriate.
* Makerules: New subdir configuration variables 'tests-internal'
and 'test-internal-extras'. Test files in these categories will
still be compiled with MODULE_NAME=nonlib. Test files in the
existing categories (tests, xtests, test-srcs, test-extras) are
now compiled with MODULE_NAME=testsuite.
New subdir configuration variable 'modules-names-tests'. Files
which are in both 'modules-names' and 'modules-names-tests' will
be compiled with MODULE_NAME=testsuite instead of
MODULE_NAME=extramodules.
(gen-as-const-headers): Move to tests-internal.
(do-tests-clean, common-mostlyclean): Support tests-internal.
* Makeconfig (built-modules): Add testsuite.
* Makefile: Change libof-check-installed-headers-c and
libof-check-installed-headers-cxx to 'testsuite'.
* Rules: Likewise. Support tests-internal.
* benchtests/strcoll-inputs/filelist#en_US.UTF-8:
Remove extra-modules.mk.
* config.h.in: Don't check for __OPTIMIZE__ or __FAST_MATH__ here.
* include/libc-symbols.h: Move definitions of _GNU_SOURCE,
PASTE_NAME, PASTE_NAME1, IN_MODULE, IS_IN, and IS_IN_LIB to the
very top of the file and rationalize their order.
If MODULE_NAME is not defined at all, define IS_IN to always be
false, and don't define _ISOMAC.
If any of IS_IN (testsuite), IS_IN_build, or __cplusplus are
true, define _ISOMAC and suppress everything else in this file,
starting with the inclusion of config.h.
Do check for inappropriate definitions of __OPTIMIZE__ and
__FAST_MATH__ here, but only if _ISOMAC is not defined.
Correct some out-of-date commentary.
* include/math.h: If _ISOMAC is defined, undefine NO_LONG_DOUBLE
and _Mlong_double_ before including math.h.
* include/string.h: If _ISOMAC is defined, don't expose
_STRING_ARCH_unaligned. Move a comment to a more appropriate
location.
* include/errno.h, include/stdio.h, include/stdlib.h, include/string.h
* include/time.h, include/unistd.h, include/wchar.h: No need to
check __cplusplus nor use __BEGIN_DECLS/__END_DECLS.
* misc/sys/cdefs.h (__NTHNL): New macro.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h
(__m81_defun): Use __NTHNL to avoid errors with GCC 6.
* elf/tst-env-setuid-tunables.c: Include config.h with _LIBC
defined, for HAVE_TUNABLES.
* inet/tst-checks-posix.c: No need to define _ISOMAC.
* intl/tst-gettext2.c: Provide own definition of N_.
* math/test-signgam-finite-c99.c: No need to define _ISOMAC.
* math/test-signgam-main.c: No need to define _ISOMAC.
* stdlib/tst-strtod.c: Convert to test-driver. Split locale_test to...
* stdlib/tst-strtod1i.c: ...this new file.
* stdlib/tst-strtod5.c: Convert to test-driver and add copyright notice.
Split tests of __strtod_internal to...
* stdlib/tst-strtod5i.c: ...this new file.
* string/test-string.h: Include stdint.h. Duplicate definition of
inhibit_loop_to_libcall here (from libc-symbols.h).
* string/test-strstr.c: Provide dummy definition of
libc_hidden_builtin_def when including strstr.c.
* sysdeps/ia64/fpu/libm-symbols.h: Suppress entire file in _ISOMAC
mode; no need to test __STRICT_ANSI__ nor __cplusplus as well.
* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
Don't include init-arch.h.
* elf/Makefile: Move tst-ptrguard1-static, tst-stackguard1-static,
tst-tls1-static, tst-tls2-static, tst-tls3-static, loadtest,
unload, unload2, circleload1, neededtest, neededtest2,
neededtest3, neededtest4, tst-tls1, tst-tls2, tst-tls3,
tst-tls6, tst-tls7, tst-tls8, tst-dlmopen2, tst-ptrguard1,
tst-stackguard1, tst-_dl_addr_inside_object, and all of the
ifunc tests to tests-internal.
Don't add $(modules-names) to test-extras.
* inet/Makefile: Move tst-inet6_scopeid_pton to tests-internal.
Add tst-deadline to tests-static-internal.
* malloc/Makefile: Move tst-mallocstate and tst-scratch_buffer to
tests-internal.
* misc/Makefile: Move tst-atomic and tst-atomic-long to tests-internal.
* nptl/Makefile: Move tst-typesizes, tst-rwlock19, tst-sem11,
tst-sem12, tst-sem13, tst-barrier5, tst-signal7, tst-tls3,
tst-tls3-malloc, tst-tls5, tst-stackguard1, tst-sem11-static,
tst-sem12-static, and tst-stackguard1-static to tests-internal.
Link tests-internal with libpthread also.
Don't add $(modules-names) to test-extras.
* nss/Makefile: Move tst-field to tests-internal.
* posix/Makefile: Move bug-regex5, bug-regex20, bug-regex33,
tst-rfc3484, tst-rfc3484-2, and tst-rfc3484-3 to tests-internal.
* stdlib/Makefile: Move tst-strtod1i, tst-strtod3, tst-strtod4,
tst-strtod5i, tst-tls-atexit, and tst-tls-atexit-nodelete to
tests-internal.
* sunrpc/Makefile: Move tst-svc_register to tests-internal.
* sysdeps/powerpc/Makefile: Move test-get_hwcap and
test-get_hwcap-static to tests-internal.
* sysdeps/unix/sysv/linux/Makefile: Move tst-setgetname to
tests-internal.
* sysdeps/x86_64/fpu/Makefile: Add all libmvec test modules to
modules-names-tests.
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A few 'long double'-related tests include math_private.h just for
their variety of math_ldbl.h, which contains macros for assembling and
disassembling the binary representation of 'long double'. math_ldbl.h
insists on being included from math_private.h, but if we relax this
restriction (and fix some portability sloppiness) we can use it
directly and not have to expose all of math_private.h to the testsuite.
* sysdeps/generic/math_private.h: Use __BIG_ENDIAN and
__LITTLE_ENDIAN, not BIG_ENDIAN and LITTLE_ENDIAN.
* sysdeps/generic/math_ldbl.h
* sysdeps/ia64/fpu/math_ldbl.h
* sysdeps/ieee754/ldbl-128/math_ldbl.h
* sysdeps/ieee754/ldbl-128ibm/math_ldbl.h
* sysdeps/ieee754/ldbl-96/math_ldbl.h
* sysdeps/powerpc/fpu/math_ldbl.h
* sysdeps/x86_64/fpu/math_ldbl.h:
Allow direct inclusion. Use uintNN_t instead of u_intNN_t.
Use __BIG_ENDIAN and __LITTLE_ENDIAN, not BIG_ENDIAN and
LITTLE_ENDIAN. Include endian.h and/or stdint.h if necessary.
Add copyright notices.
* sysdeps/ieee754/ldbl-128ibm/math_ldbl.h (ldbl_canonicalize_int):
Don't use EXTRACT_WORDS64.
* sysdeps/ieee754/ldbl-96/test-canonical-ldbl-96.c
* sysdeps/ieee754/ldbl-96/test-totalorderl-ldbl-96.c
* sysdeps/ieee754/ldbl-128ibm/test-canonical-ldbl-128ibm.c
* sysdeps/ieee754/ldbl-128ibm/test-totalorderl-ldbl-128ibm.c:
Include math_ldbl.h, not math_private.h.
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This patch adds the "_compat" suffix to the wrappers of the function
exp, which use _LIB_VERSION / matherr / __kernel_standard
functionality.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_exp...
(libm-compat-calls-auto): Here.
* math/w_expl.c: Add suffix "_compat" to filename.
* sysdeps/ia64/fpu/w_expl.c: Likewise.
* sysdeps/ia64/fpu/w_expf.c: Likewise.
* sysdeps/ia64/fpu/w_exp.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl.c: Likewise.
* math/w_expl_compat.c: New file, copied from above.
* sysdeps/ia64/fpu/w_exp_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expf_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expl_compat.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf_compat.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.c: Add suffix "_compat"
to filename.
* sysdeps/ieee754/ldbl-opt/w_exp.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl_compat.c: New file,
copied from above and adjusted for the new filenames.
* sysdeps/ieee754/ldbl-opt/w_exp_compat.c: Likewise.
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This patch adds the suffix "_compat" to lgamma_r wrappers and make
some adjustments to #includes and Makefiles. This is a step towards
deprecation of wrappers that use _LIB_VERSION / matherr /
__kernel_standard functionality.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_lgammaF_r...
(libm-compat-calls-auto): Here.
* math/w_lgamma_r.c: Add suffix "_compat" to filename.
* math/w_lgammaf_r.c: Likewise.
* math/w_lgammal_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammal_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammaf_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgamma_r.c: Likewise.
* math/w_lgamma_r_compat.c: New file, copied from above.
* math/w_lgammaf_r_compat.c: Likewise.
* math/w_lgammal_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgamma_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgammaf_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgammal_r_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_lgamma_r.c: Add suffix "_compat"
to filename.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_lgamma_r_compat.c: New file
copied from above and adjusted for the new filenames.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r_compat.c: Likewise.
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I noticed that some libm-test-ulps files still had long-obsolete
entries for *_tonearest functions, which will no longer be used since
functions with FE_TONEAREST explicitly set aren't tested separately
from those functions with it as the default rounding mode any more.
This patch removes those obsolete entries. However, as they are a
sign of libm-test-ulps not having been regenerated from scratch for a
long time, I strongly advise people testing on those platforms to
remove / truncate the libm-test-ulps file, run "make regen-ulps" and
commit the regenerated-from-scratch file. (Ideally any failures of
libm tests still present after regeneration would be investigated /
fixed - there are several open "math" bugs spread across these
platforms - but simply regenerating from scratch improves things.)
* sysdeps/hppa/fpu/libm-test-ulps: Remove *_tonearest entries.
* sysdeps/ia64/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
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This commit moves one step towards the deprecation of wrappers that
use _LIB_VERSION / matherr / __kernel_standard functionality, by
adding the suffix '_compat' to their filenames and adjusting Makefiles
and #includes accordingly.
New template wrappers that do not use such functionality will be added
by future patches and will be first used by the float128 wrappers.
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IA64 builds in math/ use "-include libm-symbols.h". This breaks the
signgam tests, which rely on undefining _LIBC and feature test macros
and defining _ISOMAC before including system headers to get them to
provide only ISO C declarations (libm-symbols.h ending up indirectly
including headers which result in this breaking); similarly, it breaks
C++ tests as some headers included from libm-symbols.h are not ready
for inclusion in C++ code. This patch disables the contents of
libm-symbols.h if __STRICT_ANSI__ or __cplusplus are defined to avoid
this problem (this header can only test symbols defined before the
source file is processed, so can't test _ISOMAC because that's defined
within the source file, after this header is included).
Tested (compilation only) for ia64.
* sysdeps/ia64/fpu/libm-symbols.h: Make contents conditional on
[!__STRICT_ANSI__ && !__cplusplus].
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manual/libm-err-tab.pl hardcodes a list of names for particular
platforms (mapping from sysdeps directory name to friendly name for
the manual). This goes against the principle of keeping information
about individual platforms in their corresponding sysdeps directory,
and the list is also very out-of-date regarding supported platforms
and their corresponding sysdeps directories.
This patch fixes this by adding a libm-test-ulps-name file alongside
each libm-test-ulps file. The script then gets the friendly name from
that file, which is required to exist, so it no longer needs to allow
for the mapping being missing.
Tested for x86_64.
[BZ #14139]
* manual/libm-err-tab.pl (%pplatforms): Initialize to empty.
(find_files): Obtain platform name from libm-test-ulps-name and
store in %pplatforms.
(canonicalize_platform): Remove.
(print_platforms): Use $pplatforms directly.
(by_platforms): Do not allow for platforms missing from
%pplatforms.
* sysdeps/aarch64/libm-test-ulps-name: New file.
* sysdeps/alpha/fpu/libm-test-ulps-name: Likewise.
* sysdeps/arm/libm-test-ulps-name: Likewise.
* sysdeps/generic/libm-test-ulps-name: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps-name: Likewise.
* sysdeps/i386/fpu/libm-test-ulps-name: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps-name: Likewise.
* sysdeps/ia64/fpu/libm-test-ulps-name: Likewise.
* sysdeps/m68k/coldfire/fpu/libm-test-ulps-name: Likewise.
* sysdeps/m68k/m680x0/fpu/libm-test-ulps-name: Likewise.
* sysdeps/microblaze/libm-test-ulps-name: Likewise.
* sysdeps/mips/mips32/libm-test-ulps-name: Likewise.
* sysdeps/mips/mips64/libm-test-ulps-name: Likewise.
* sysdeps/nios2/libm-test-ulps-name: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps-name: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps-name: Likewise.
* sysdeps/s390/fpu/libm-test-ulps-name: Likewise.
* sysdeps/sh/libm-test-ulps-name: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps-name: Likewise.
* sysdeps/tile/libm-test-ulps-name: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps-name: Likewise.
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This patch adds IA64 versions of fegetmode and fesetmode. Untested.
* sysdeps/ia64/fpu/fegetmode.c: New file.
* sysdeps/ia64/fpu/fesetmode.c: Likewise.
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This is only used for the float and double variants.
Instead, just add it to the type specific list of files,
and remove all stubs, and remove the declaration from
math_private.h.
I verified x86_64, i486, ia64, m68k, and ppc64 build.
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This patch adds an IA64 version of fesetexcept. Untested.
* sysdeps/ia64/fpu/fesetexcept.c: New file.
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The rework in commit d709042a6e5ab3c360280faad6f9538a34dc8eea broke
buiding on ia64 due to compat_symbol expanding into ... in some cases.
The common files were wrapped in a BUILD_LGAMMA check, but the ia64
ones were not. Add that logic to the ia64 files too.
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The lgamma rewrite in commit d709042a6e5ab3c360280faad6f9538a34dc8eea
used "gammaf" in this function when it should have used "gamma".
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The lgamma (and likewise lgammaf, lgammal) function wrongly sets the
signgam variable even when building for strict ISO C conformance
(-std=c99 / -std=c11), although the user may define such a variable
and it's only in the implementation namespace for POSIX with XSI
extensions enabled.
Following discussions starting at
<https://sourceware.org/ml/libc-alpha/2013-04/msg00767.html> and
<https://sourceware.org/ml/libc-alpha/2015-10/msg00844.html>, it seems
that the safest approach for fixing this particular issue is for
signgam to become a weak alias for a newly exported symbol __signgam,
with the library functions only setting __signgam, at which point
static linker magic will preserve the alias for newly linked binaries
that refer to the library's signgam rather than defining their own,
while breaking the alias for programs that define their own signgam,
with new symbol versions for lgamma functions and with compat symbols
for existing binaries that set both signgam and __signgam.
This patch implements that approach for the fix. signgam is made into
a weak alias. The four symbols __signgam, lgamma, lgammaf, lgammal
get new symbol versions at version GLIBC_2.23, with the existing
versions of lgamma, lgammaf and lgammal becoming compat symbols.
When the compat versions are built, gamma, gammaf and gammal are
aliases for the compat versions (i.e. always set signgam); this is OK
as they are not ISO C functions, and avoids adding new symbol versions
for them unnecessarily. When the compat versions are not built
(i.e. for static linking and for future glibc ports), gamma, gammaf
and gammal are aliases for the new versions that set __signgam. The
ldbl-opt versions are updated accordingly.
The lgamma wrappers are adjusted so that the same source files,
included from different files with different definitions of
USE_AS_COMPAT, can build either the new versions or the compat
versions. Similar changes are made to the ia64 versions (untested).
Tests are added that the lgamma functions do not interfere with a user
variable called signgam for ISO C, with various choices for the size
of that variable, whether it is initialized, and for static and
dynamic linking. The conformtest whitelist entry is removed as well.
Tested for x86_64, x86, mips64 and powerpc, including looking at
objdump --dynamic-syms output to make sure the expected sets of
symbols were aliases. Also spot-tested that a binary built with old
glibc works properly (i.e. gets signgam set) when run with new glibc.
[BZ #15421]
* sysdeps/ieee754/s_signgam.c (signgam): Rename to __signgam,
initialize with 0 and define as weak alias of __signgam.
* include/math.h [!_ISOMAC] (__signgam): Declare.
* math/Makefile (libm-calls): Add w_lgamma_compat.
(tests): Add test-signgam-uchar, test-signgam-uchar-init,
test-signgam-uint, test-signgam-uint-init, test-signgam-ullong and
test-signgam-ullong-init.
(tests-static): Add test-signgam-uchar-static,
test-signgam-uchar-init-static, test-signgam-uint-static,
test-signgam-uint-init-static, test-signgam-ullong-static and
test-signgam-ullong-init-static.
(CFLAGS-test-signgam-uchar.c): New variable.
(CFLAGS-test-signgam-uchar-init.c): Likewise.
(CFLAGS-test-signgam-uchar-static.c): Likewise.
(CFLAGS-test-signgam-uchar-init-static.c): Likewise.
(CFLAGS-test-signgam-uint.c): Likewise.
(CFLAGS-test-signgam-uint-init.c): Likewise.
(CFLAGS-test-signgam-uint-static.c): Likewise.
(CFLAGS-test-signgam-uint-init-static.c): Likewise.
(CFLAGS-test-signgam-ullong.c): Likewise.
(CFLAGS-test-signgam-ullong-init.c): Likewise.
(CFLAGS-test-signgam-ullong-static.c): Likewise.
(CFLAGS-test-signgam-ullong-init-static.c): Likewise.
* math/Versions (libm): Add GLIBC_2.23.
* math/lgamma-compat.h: New file.
* math/test-signgam-main.c: Likewise.
* math/test-signgam-uchar-init-static.c: Likewise.
* math/test-signgam-uchar-init.c: Likewise.
* math/test-signgam-uchar-static.c: Likewise.
* math/test-signgam-uchar.c: Likewise.
* math/test-signgam-uint-init-static.c: Likewise.
* math/test-signgam-uint-init.c: Likewise.
* math/test-signgam-uint-static.c: Likewise.
* math/test-signgam-uint.c: Likewise.
* math/test-signgam-ullong-init-static.c: Likewise.
* math/test-signgam-ullong-init.c: Likewise.
* math/test-signgam-ullong-static.c: Likewise.
* math/test-signgam-ullong.c: Likewise.
* math/w_lgamma.c: Rename to w_lgamma_main.c and replace by
wrapper of w_lgamma_main.c.
* math/w_lgamma_compat.c: New file.
* math/w_lgamma_compatf.c: Likewise.
* math/w_lgamma_compatl.c: Likewise.
* math/w_lgamma_main.c: New file. Based on w_lgamma.c. Include
<lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support
defining compatibility symbols.
(__lgamma): Change to LGFUNC (__lgamma). Use CALL_LGAMMA.
* math/w_lgammaf.c: Rename to w_lgammaf_main.c and replace by
wrapper of w_lgammaf_main.c.
* math/w_lgammaf_main.c: New file. Based on w_lgammaf.c. Include
<lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support
defining compatibility symbols.
(__lgammaf): Change to LGFUNC (__lgammaf). Use CALL_LGAMMA.
* math/w_lgammal.c: Rename to w_lgammal_main.c and replace by
wrapper of w_lgammal_main.c.
* math/w_lgammal_main.c: New file. Based on w_lgammal.c. Include
<lgamma-compat.h>. Condition contents on [BUILD_LGAMMA]. Support
defining compatibility symbols.
(__lgammal): Change to LGFUNC (__lgammal). Use CALL_LGAMMA.
* sysdeps/ia64/fpu/lgamma-compat.h: New file.
* sysdeps/ia64/fpu/w_lgamma.c: Move to ....
* sysdeps/ia64/fpu/w_lgamma_main.c: ...here. Include
<lgamma-compat.h>.
(__ieee754_lgamma): Change to LGFUNC (lgamma). Use CALL_LGAMMA.
(__ieee754_gamma): Define as alias.
* sysdeps/ia64/fpu/w_lgammaf.c: Move to ....
* sysdeps/ia64/fpu/w_lgammaf_main.c: ...here. Include
<lgamma-compat.h>.
(__ieee754_lgammaf): Change to LGFUNC (lgammaf). Use CALL_LGAMMA.
(__ieee754_gammaf): Define as alias.
* sysdeps/ia64/fpu/w_lgammal.c: Move to ....
* sysdeps/ia64/fpu/w_lgammal_main.c: ...here. Include
<lgamma-compat.h>.
(__ieee754_lgammal): Change to LGFUNC (lgammal). Use CALL_LGAMMA.
(__ieee754_gammal): Define as alias.
* sysdeps/ieee754/ldbl-opt/w_lgamma.c: Move to ....
* sysdeps/ieee754/ldbl-opt/w_lgamma_compat.c: ...here. Include
<math/w_lgamma_compat.c>.
[LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (__lgammal_dbl_compat):
Define as alias of __lgamma_compat and use in defining lgammal.
* sysdeps/ieee754/ldbl-opt/w_lgammal.c: Move to ....
* sysdeps/ieee754/ldbl-opt/w_lgamma_compatl.c: ...here. Include
<math/lgamma-compat.h> and <math/w_lgamma_compatl.c>.
(USE_AS_COMPAT): New macro.
(LGAMMA_OLD_VER): Undefine and redefine.
(lgammal): Do not define here.
(gammal): Only define here if [GAMMA_ALIAS].
* conform/linknamespace.pl (@whitelist): Remove signgam.
* sysdeps/nacl/libm.abilist: Update.
* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
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GLIBC fails to build for ia64 since commit d0d286d32dda654f8983e8fe77bca0a2cda2051b.
It is because this commit uses the internal definition for nearbyintl,
but ia64 specialized implementation (sysdeps/ia64/fpu/s_nearbyintl.S)
does not define it.
Tested with a ia64 build.
[BZ #19219]
* sysdeps/ia64/fpu/s_nearbyintl.S (__nearbyint): Define and
weak_alias to nearbyintl.
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The libm drem functions just call the corresponding __remainder
functions. This patch removes the unnecessary wrappers by making them
into weak aliases at the ELF level.
Tested for x86_64, x86, mips64 and powerpc.
[BZ #16171]
* math/w_remainder.c (drem): Define as weak alias of __remainder.
[NO_LONG_DOUBLE] (dreml): Define as weak alias of __remainder.
* math/w_remainderf.c (dremf): Define as weak alias of
__remainderf.
* math/w_remainderl.c (dreml): Define as weak alias of
__remainderl.
* sysdeps/ia64/fpu/e_remainder.S (drem): Define as weak alias of
__remainder.
* sysdeps/ia64/fpu/e_remainderf.S (dremf): Define as weak alias of
__remainderf.
* sysdeps/ia64/fpu/e_remainderl.S (dreml): Define as weak alias of
__remainderl.
* sysdeps/ieee754/ldbl-opt/nldbl-remainder.c (dreml): Define as
weak alias of remainderl.
* sysdeps/ieee754/ldbl-opt/w_remainder.c
[LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (__drem): Define as strong
alias of __remainder.
[LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (dreml): Use compat_symbol.
* sysdeps/ieee754/ldbl-opt/w_remainderl.c (__dreml): Define as
strong alias of __remainderl.
(dreml): Use long_double_symbol.
* math/Makefile (libm-calls): Remove w_drem.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Remove drem.
(CFLAGS-nldbl-drem.c): Remove variable.
(CFLAGS-nldbl-remainder.c): Add -fno-builtin-dreml.
* math/w_drem.c: Remove file.
* math/w_dremf.c: Likewise.
* math/w_dreml.c: Likewise.
* sysdeps/ieee754/ldbl-opt/nldbl-drem.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_drem.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_dreml.c: Likewise.
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According to bug 6792, errno is not set to ERANGE/EDOM
by calling log1p/log1pf/log1pl with x = -1 or x < -1.
This patch adds a wrapper which sets errno in those cases
and returns the value of the existing __log1p function.
The log1p is now an alias to the wrapper function
instead of __log1p.
The files in sysdeps are reflecting these changes.
The ia64 implementation sets errno by itself,
thus the wrapper-file is empty.
The libm-test is adjusted for log1p-tests to check errno.
[BZ #6792]
* math/w_log1p.c: New file.
* math/w_log1pf.c: Likewise.
* math/w_log1pl.c: Likewise.
* math/Makefile (libm-calls): Add w_log1p.
* math/s_log1pl.c (log1pl): Remove weak_alias.
* sysdeps/i386/fpu/s_log1p.S (log1p): Likewise.
* sysdeps/i386/fpu/s_log1pf.S (log1pf): Likewise.
* sysdeps/i386/fpu/s_log1pl.S (log1pl): Likewise.
* sysdeps/x86_64/fpu/s_log1pl.S (log1pl): Likewise.
* sysdeps/ieee754/dbl-64/s_log1p.c (log1p): Likewise.
[NO_LONG_DOUBLE] (log1pl): Likewise.
* sysdeps/ieee754/flt-32/s_log1pf.c (log1pf): Likewise.
* sysdeps/ieee754/ldbl-128/s_log1pl.c (log1pl): Likewise.
* sysdeps/ieee754/ldbl-64-128/s_log1pl.c
(log1p): Remove long_double_symbol.
* sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (log1pl): Likewise.
* sysdeps/ieee754/ldbl-64-128/w_log1pl.c: New file.
* sysdeps/ieee754/ldbl-128ibm/w_log1pl.c: Likewise.
* sysdeps/m68k/m680x0/fpu/s_log1p.c: Define empty weak_alias to
remove weak_alias for corresponding log1p function.
* sysdeps/m68k/m680x0/fpu/s_log1pf.c: Likewise.
* sysdeps/m68k/m680x0/fpu/s_log1pl.c: Likewise.
* sysdeps/ia64/fpu/w_log1p.c: New file.
* sysdeps/ia64/fpu/w_log1pf.c: Likewise.
* sysdeps/ia64/fpu/w_log1pl.c: Likewise.
* math/libm-test.inc (log1p_test_data): Add errno expectations.
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Concluding the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of feupdateenv by making it a weak alias for
__feupdateenv and making the affected code call __feupdateenv.
Tested for x86_64 (testsuite, and that installed stripped shared
libraries are unchanged by the patch). Also tested for ARM
(soft-float) that the math.h linknamespace tests now pass.
[BZ #17748]
* include/fenv.h (__feupdateenv): Use libm_hidden_proto.
* math/feupdateenv.c (__feupdateenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/feupdateenv.c (feupdateenv): Rename to
__feupdateenv and define as weak alias of __feupdateenv. Use
libm_hidden_weak.
* sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/arm/feupdateenv.c (feupdateenv): Rename to __feupdateenv
and define as weak alias of __feupdateenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/i386/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Rename to
__feupdateenv and define as weak alias of __feupdateenv. Use
libm_hidden_weak.
* sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Rename to
__feupdateenv and define as weak alias of __feupdateenv. Use
libm_hidden_weak.
* sysdeps/powerpc/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c
(__feupdateenv): Likewise.
* sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Rename to
__feupdateenv and define as weak alias of __feupdateenv. Use
libm_hidden_weak.
* sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/tile/math_private.h (__feupdateenv): New inline
function.
* sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Use
libm_hidden_def.
* sysdeps/generic/math_private.h (default_libc_feupdateenv): Call
__feupdateenv instead of feupdateenv.
(default_libc_feupdateenv_test): Likewise.
(libc_feresetround_ctx): Likewise.
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Continuing the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of fesetround by making it a weak alias of
__fesetround and making the affected code call __fesetround. An
existing __fesetround function in fenv_libc.h for powerpc is renamed
to __fesetround_inline.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fesetround failures disappear from the linknamespace
test results (feupdateenv remains to be addressed to complete fixing
bug 17748).
[BZ #17748]
* include/fenv.h (__fesetround): Declare. Use libm_hidden_proto.
* math/fesetround.c (fesetround): Rename to __fesetround and
define as weak alias of __fesetround. Use libm_hidden_weak.
* sysdeps/aarch64/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/alpha/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/arm/fesetround.c (fesetround): Likewise.
* sysdeps/hppa/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/i386/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/ia64/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/m68k/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/mips/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/powerpc/fpu/fenv_libc.h (__fesetround): Rename to
__fesetround_inline.
* sysdeps/powerpc/fpu/fenv_private.h (libc_fesetround_ppc): Call
__fesetround_inline instead of __fesetround.
* sysdeps/powerpc/fpu/fesetround.c (fesetround): Rename to
__fesetround and define as weak alias of __fesetround. Use
libm_hidden_weak. Call __fesetround_inline instead of
__fesetround.
* sysdeps/powerpc/nofpu/fesetround.c (fesetround): Rename to
__fesetround and define as weak alias of __fesetround. Use
libm_hidden_weak.
* sysdeps/powerpc/powerpc32/e500/nofpu/fesetround.c (fesetround):
Likewise.
* sysdeps/s390/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/sh/sh4/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/sparc/fpu/fesetround.c (fesetround): Likewise.
* sysdeps/tile/math_private.h (__fesetround): New inline function.
* sysdeps/x86_64/fpu/fesetround.c (fesetround): Rename to
__fesetround and define as weak alias of __fesetround. Use
libm_hidden_weak.
* sysdeps/generic/math_private.h (default_libc_fesetround): Call
__fesetround instead of fesetround.
(default_libc_feholdexcept_setround): Likewise.
(libc_feholdsetround_ctx): Likewise.
(libc_feholdsetround_noex_ctx): Likewise.
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Continuing the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of fesetenv by making it a weak alias of
__fesetenv and making the affected code (including various copies of
feupdateenv which also gets called from C90 functions) call
__fesetenv.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fesetenv failures disappear from the linknamespace
test results (fsetround and feupdateenv remain to be addressed to
complete fixing bug 17748).
[BZ #17748]
* include/fenv.h (__fesetenv): Use libm_hidden_proto.
* math/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv
and define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/alpha/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/arm/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/i386/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/ia64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/mips/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/powerpc/fpu/fesetenv.c (__fesetenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fesetenv.c (__fesetenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fesetenv.c (__fesetenv):
Likewise.
* sysdeps/s390/fpu/fesetenv.c (fesetenv): Rename to __fesetenv and
define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise.
* sysdeps/sparc/fpu/fesetenv.c (__fesetenv): Use libm_hidden_def.
* sysdeps/tile/math_private.h (__fesetenv): New inline function.
* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Rename to __fesetenv
and define as weak alias of __fesetenv. Use libm_hidden_weak.
* sysdeps/generic/math_private.h (default_libc_fesetenv): Use
__fesetenv instead of fesetenv.
(libc_feresetround_noex_ctx): Likewise.
* sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/i386/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/powerpc/nofpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/feupdateenv.c
(__feupdateenv): Likewise.
* sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/x86_64/fpu/feupdateenv.c (__feupdateenv): Likewise.
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Continuing the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of feholdexcept by making it a weak alias of
__feholdexcept and making the affected code call __feholdexcept.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that feholdexcept failures disappear from the
linknamespace test failures (fesetenv, fsetround and feupdateenv
remain to be addressed to complete fixing bug 17748).
[BZ #17748]
* include/fenv.h (__feholdexcept): Declare. Use
libm_hidden_proto.
* math/feholdexcpt.c (feholdexcept): Rename to __feholdexcept and
define as weak alias of __feholdexcept. Use libm_hidden_weak.
* sysdeps/aarch64/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/alpha/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/arm/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/hppa/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/i386/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/ia64/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/mips/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/powerpc/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/powerpc/nofpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/feholdexcpt.c
(feholdexcept): Likewise.
* sysdeps/s390/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/sparc/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/x86_64/fpu/feholdexcpt.c (feholdexcept): Likewise.
* sysdeps/generic/math_private.h (default_libc_feholdexcept): Use
__feholdexcept instead of feholdexcept.
(default_libc_feholdexcept_setround): Likewise.
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Continuing the fixes for C90 libm functions calling C99 fe* functions,
this patch fixes the case of fegetround by making it a weak alias of
__fegetround and making the affected code call __fegetround.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fegetround failures disappear from the linknamespace
test failures (feholdexcept, fesetenv, fesetround and feupdateenv
remain to be addressed before bug 17748 is fully fixed, although this
patch may suffice to fix the failures in some cases, when the libc_fe*
functions are implemented but there is no architecture-specific sqrt
implementation in use so there were failures from fegetround used by
sqrt but no other such failures).
[BZ #17748]
* include/fenv.h (__fegetround): Declare. Use libm_hidden_proto.
* math/fegetround.c (fegetround): Rename to __fegetround and
define as weak alias of __fegetround. Use libm_hidden_weak.
* sysdeps/aarch64/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/alpha/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/arm/fegetround.c (fegetround): Likewise.
* sysdeps/hppa/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/i386/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/ia64/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/m68k/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/mips/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/powerpc/fpu/fegetround.c (fegetround): Likewise.
Undefine after rather than before function definition; use
parentheses around function name in definition.
(__fegetround): Also undefine macro after function definition.
* sysdeps/powerpc/nofpu/fegetround.c (fegetround): Rename to
__fegetround and define as weak alias of __fegetround. Use
libm_hidden_weak. Do not undefine as macro.
* sysdeps/powerpc/powerpc32/e500/nofpu/fegetround.c (fegetround):
Likewise.
* sysdeps/s390/fpu/fegetround.c (fegetround): Rename to
__fegetround and define as weak alias of __fegetround. Use
libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/sparc/fpu/fegetround.c (fegetround): Likewise.
* sysdeps/tile/math_private.h (__fegetround): New inline function.
* sysdeps/x86_64/fpu/fegetround.c (fegetround): Rename to
__fegetround and define as weak alias of __fegetround. Use
libm_hidden_weak.
* sysdeps/ieee754/dbl-64/e_sqrt.c (__ieee754_sqrt): Use
__fegetround instead of fegetround.
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Some C90 libm functions call fegetenv via libc_feholdsetround*
functions in math_private.h. This patch makes them call __fegetenv
instead, making fegetenv into a weak alias for __fegetenv as needed.
Tested for x86_64 (testsuite, and that disassembly of installed shared
libraries is unchanged by the patch). Also tested for ARM
(soft-float) that fegetenv failures disappear from the linknamespace
test failures (however, similar fixes will also be needed for
fegetround, feholdexcept, fesetenv, fesetround and feupdateenv before
this set of namespace issues covered by bug 17748 is fully fixed and
those linknamespace tests start passing).
[BZ #17748]
* include/fenv.h (__fegetenv): Use libm_hidden_proto.
* math/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/alpha/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/arm/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/hppa/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/i386/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/ia64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/mips/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/powerpc/fpu/fegetenv.c (__fegetenv): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fegetenv.c (__fegetenv): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fegetenv.c (__fegetenv):
Likewise.
* sysdeps/s390/fpu/fegetenv.c (fegetenv): Rename to __fegetenv and
define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fegetenv.c (fegetenv): Likewise.
* sysdeps/sparc/fpu/fegetenv.c (__fegetenv): Use libm_hidden_def.
* sysdeps/tile/math_private.h (__fegetenv): New inline function.
* sysdeps/x86_64/fpu/fegetenv.c (fegetenv): Rename to __fegetenv
and define as weak alias of __fegetenv. Use libm_hidden_weak.
* sysdeps/generic/math_private.h (libc_feholdsetround_ctx): Use
__fegetenv instead of fegetenv.
(libc_feholdsetround_noex_ctx): Likewise.
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Various C90 and UNIX98 libm functions call feraiseexcept, which is not
in those standards. This causes linknamespace test failures - except
on x86 / x86_64, where feraiseexcept is inline (for the relevant
constant arguments) in bits/fenv.h.
This patch fixes this by making those functions call __feraiseexcept
instead. All changes are applied to all architectures rather than
considering the possibility that some might not be needed in some
cases (e.g. x86) as it seems most maintainable to keep architectures
consistent.
Where __feraiseexcept does not exist, it is added, with feraiseexcept
made a weak alias; where it is a strong alias, it is made weak.
libm_hidden_def / libm_hidden_proto are used with __feraiseexcept
(this might in some cases improve code generation for existing calls
to __feraiseexcept in some code on some architectures). Where there
are dummy feraiseexcept macros (on architectures without
floating-point exceptions support, to avoid compile errors from
references to undefined FE_* macros), corresponding dummy
__feraiseexcept macros are added. And on x86, to ensure
__feraiseexcept calls still get inlined, the inline function in
bits/fenv.h is refactored so that most of it can be reused in an
inline __feraiseexcept in a separate include/bits/fenv.h.
Calls are changed in C90/UNIX98 functions, but generally not in
functions missing from those standards. They are also changed in
libc_fe* functions (on the basis that those might be used in any libm
function), and in feupdateenv (on the same basis - may be used, via
default libc_*, in any libm function - of course feupdateenv will need
changing to __feupdateenv in a subsequent patch to make that fully
namespace-clean).
No __feraiseexcept is added corresponding to the feraiseexcept in
powerpc bits/fenvinline.h, because that macro definition is
conditional on !defined __NO_MATH_INLINES, and glibc libm is built
with -D__NO_MATH_INLINES, so changing internal calls to use
__feraiseexcept should make no difference.
Tested for x86_64 (testsuite; the only change in disassembly of
installed shared libraries is a slight code reordering in clog10, of
no apparent significance). Also tested for MIPS, where (in the
configuration tested) it eliminates math.h linknamespace failures for
n32 and n64 (some for o32 remain because of other issues).
[BZ #17723]
* include/fenv.h (__feraiseexcept): Use libm_hidden_proto.
* math/fraiseexcpt.c (__feraiseexcept): Use libm_hidden_def.
* sysdeps/aarch64/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/arm/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/ia64/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/m68k/coldfire/fpu/fraiseexcpt.c (feraiseexcept):
Likewise.
* sysdeps/microblaze/math_private.h (__feraiseexcept): New macro.
* sysdeps/mips/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/powerpc/nofpu/fraiseexcpt.c (__feraiseexcept): Likewise.
* sysdeps/powerpc/powerpc32/e500/nofpu/fraiseexcpt.c
(__feraiseexcept): Likewise.
* sysdeps/s390/fpu/fraiseexcpt.c (feraiseexcept): Rename to
__feraiseexcept and define as weak alias of __feraiseexcept. Use
libm_hidden_weak.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
* sysdeps/tile/math_private.h (__feraiseexcept): New macro.
* sysdeps/unix/sysv/linux/alpha/fraiseexcpt.S (__feraiseexcept):
Use libm_hidden_def.
* sysdeps/x86_64/fpu/fraiseexcpt.c (__feraiseexcept): Use
libm_hidden_def.
(feraiseexcept): Define as weak not strong alias. Use
libm_hidden_weak.
* sysdeps/x86/fpu/bits/fenv.h (__feraiseexcept_invalid_divbyzero):
New inline function. Factored out of ...
(feraiseexcept): ... here. Use __feraiseexcept_invalid_divbyzero.
* sysdeps/x86/fpu/include/bits/fenv.h: New file.
* math/e_scalb.c (invalid_fn): Call __feraiseexcept instead of
feraiseexcept.
* math/w_acos.c (__acos): Likewise.
* math/w_asin.c (__asin): Likewise.
* math/w_ilogb.c (__ilogb): Likewise.
* math/w_j0.c (y0): Likewise.
* math/w_j1.c (y1): Likewise.
* math/w_jn.c (yn): Likewise.
* math/w_log.c (__log): Likewise.
* math/w_log10.c (__log10): Likewise.
* sysdeps/aarch64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/aarch64/fpu/math_private.h
(libc_feupdateenv_test_aarch64): Likewise.
* sysdeps/alpha/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/arm/fenv_private.h (libc_feupdateenv_test_vfp): Likewise.
* sysdeps/arm/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/ia64/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/m68k/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/mips/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/powerpc/fpu/e_sqrt.c (__slow_ieee754_sqrt): Likewise.
* sysdeps/s390/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sh/sh4/fpu/feupdateenv.c (feupdateenv): Likewise.
* sysdeps/sparc/fpu/feupdateenv.c (__feupdateenv): Likewise.
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Replace with !IS_IN (libc). This completes the transition from
the IS_IN/NOT_IN macros to the IN_MODULE macro set.
The generated code is unchanged on x86_64.
* stdlib/isomac.c (fmt): Replace NOT_IN_libc with IN_MODULE.
(get_null_defines): Adjust.
* sunrpc/Makefile: Adjust comment.
* Makerules (CPPFLAGS-nonlib): Remove NOT_IN_libc.
* elf/Makefile (CPPFLAGS-sotruss-lib): Likewise.
(CFLAGS-interp.c): Likewise.
(CFLAGS-ldconfig.c): Likewise.
(CPPFLAGS-.os): Likewise.
* elf/rtld-Rules (rtld-CPPFLAGS): Likewise.
* extra-lib.mk (CPPFLAGS-$(lib)): Likewise.
* extra-modules.mk (extra-modules.mk): Likewise.
* iconv/Makefile (CPPFLAGS-iconvprogs): Likewise.
* locale/Makefile (CPPFLAGS-locale_programs): Likewise.
* malloc/Makefile (CPPFLAGS-memusagestat): Likewise.
* nscd/Makefile (CPPFLAGS-nscd): Likewise.
* nss/Makefile (CPPFLAGS-nss_test1): Likewise.
* stdlib/Makefile (CFLAGS-tst-putenvmod.c): Likewise.
* sysdeps/gnu/Makefile ($(objpfx)errlist-compat.c): Likewise.
* sysdeps/unix/sysv/linux/Makefile (CPPFLAGS-lddlibc4): Likewise.
* iconvdata/Makefile (CPPFLAGS): Likewise.
(cpp-srcs-left): Add libof for all iconvdata routines.
* bits/stdio-lock.h: Replace NOT_IN_libc with IS_IN.
* include/assert.h: Likewise.
* include/ctype.h: Likewise.
* include/errno.h: Likewise.
* include/libc-symbols.h: Likewise.
* include/math.h: Likewise.
* include/netdb.h: Likewise.
* include/resolv.h: Likewise.
* include/stdio.h: Likewise.
* include/stdlib.h: Likewise.
* include/string.h: Likewise.
* include/sys/stat.h: Likewise.
* include/wctype.h: Likewise.
* intl/l10nflist.c: Likewise.
* libidn/idn-stub.c: Likewise.
* libio/libioP.h: Likewise.
* nptl/libc_multiple_threads.c: Likewise.
* nptl/pthreadP.h: Likewise.
* posix/regex_internal.h: Likewise.
* resolv/res_hconf.c: Likewise.
* sysdeps/arm/armv7/multiarch/memcpy.S: Likewise.
* sysdeps/arm/memmove.S: Likewise.
* sysdeps/arm/sysdep.h: Likewise.
* sysdeps/generic/_itoa.h: Likewise.
* sysdeps/generic/symbol-hacks.h: Likewise.
* sysdeps/gnu/errlist.awk: Likewise.
* sysdeps/gnu/errlist.c: Likewise.
* sysdeps/i386/i586/memcpy.S: Likewise.
* sysdeps/i386/i586/memset.S: Likewise.
* sysdeps/i386/i686/memcpy.S: Likewise.
* sysdeps/i386/i686/memmove.S: Likewise.
* sysdeps/i386/i686/mempcpy.S: Likewise.
* sysdeps/i386/i686/memset.S: Likewise.
* sysdeps/i386/i686/multiarch/bcopy.S: Likewise.
* sysdeps/i386/i686/multiarch/bzero.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memchr.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp-sse4.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/memcmp.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy-ssse3-rep.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove.S: Likewise.
* sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/memset-sse2-rep.S: Likewise.
* sysdeps/i386/i686/multiarch/memset-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/memset.S: Likewise.
* sysdeps/i386/i686/multiarch/memset_chk.S: Likewise.
* sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcat.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp-sse4.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcmp.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/strcpy.S: Likewise.
* sysdeps/i386/i686/multiarch/strcspn.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strlen.S: Likewise.
* sysdeps/i386/i686/multiarch/strnlen.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr-sse2-bsf.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/strrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/strspn.S: Likewise.
* sysdeps/i386/i686/multiarch/wcschr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcschr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcschr.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscmp-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscmp.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy-ssse3.S: Likewise.
* sysdeps/i386/i686/multiarch/wcscpy.S: Likewise.
* sysdeps/i386/i686/multiarch/wcslen-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcslen-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcslen.S: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr-sse2.S: Likewise.
* sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise.
* sysdeps/i386/i686/multiarch/wmemcmp-c.c: Likewise.
* sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
* sysdeps/ia64/fpu/libm-symbols.h: Likewise.
* sysdeps/nptl/bits/libc-lock.h: Likewise.
* sysdeps/nptl/bits/libc-lockP.h: Likewise.
* sysdeps/nptl/bits/stdio-lock.h: Likewise.
* sysdeps/posix/closedir.c: Likewise.
* sysdeps/posix/opendir.c: Likewise.
* sysdeps/posix/readdir.c: Likewise.
* sysdeps/posix/rewinddir.c: Likewise.
* sysdeps/powerpc/novmx-sigjmp.c: Likewise.
* sysdeps/powerpc/powerpc32/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/bsd-_setjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/setjmp.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strcasecmp_l.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncase.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncase_l.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncmp-ppc32.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strncmp.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcschr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcschr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcscpy.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/multiarch/wordcopy.c: Likewise.
* sysdeps/powerpc/powerpc32/power6/memset.S: Likewise.
* sysdeps/powerpc/powerpc32/setjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/__longjmp.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/bzero.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcmp-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memmove-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memmove.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/mempcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memset-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/memset.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/stpncpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcat.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strchrnul.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcmp-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strcspn.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strlen.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncase.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncase_l.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncat.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncmp.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncpy-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strncpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strnlen.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strpbrk.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strrchr-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strspn-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/strspn.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcschr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcscpy.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c: Likewise.
* sysdeps/powerpc/powerpc64/multiarch/wordcopy.c: Likewise.
* sysdeps/powerpc/powerpc64/setjmp.S: Likewise.
* sysdeps/s390/s390-32/multiarch/ifunc-resolve.c: Likewise.
* sysdeps/s390/s390-32/multiarch/memcmp.S: Likewise.
* sysdeps/s390/s390-32/multiarch/memcpy.S: Likewise.
* sysdeps/s390/s390-32/multiarch/memset.S: Likewise.
* sysdeps/s390/s390-64/multiarch/ifunc-resolve.c: Likewise.
* sysdeps/s390/s390-64/multiarch/memcmp.S: Likewise.
* sysdeps/s390/s390-64/multiarch/memcpy.S: Likewise.
* sysdeps/s390/s390-64/multiarch/memset.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-niagara4.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset-niagara1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset-niagara4.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset.S: Likewise.
* sysdeps/unix/alpha/sysdep.S: Likewise.
* sysdeps/unix/alpha/sysdep.h: Likewise.
* sysdeps/unix/make-syscalls.sh: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/getpid.c: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/nptl/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/lowlevellock-futex.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/microblaze/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/longjmp_chk.c: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sh/vfork.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/waitpid.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/wordsize-32/symbol-hacks.h: Likewise.
* sysdeps/x86_64/memcpy.S: Likewise.
* sysdeps/x86_64/memmove.c: Likewise.
* sysdeps/x86_64/memset.S: Likewise.
* sysdeps/x86_64/multiarch/init-arch.h: Likewise.
* sysdeps/x86_64/multiarch/memcmp-sse4.S: Likewise.
* sysdeps/x86_64/multiarch/memcmp-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/memcmp.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/memmove.c: Likewise.
* sysdeps/x86_64/multiarch/mempcpy.S: Likewise.
* sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/memset-avx2.S: Likewise.
* sysdeps/x86_64/multiarch/memset.S: Likewise.
* sysdeps/x86_64/multiarch/memset_chk.S: Likewise.
* sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/strcat-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcat.S: Likewise.
* sysdeps/x86_64/multiarch/strchr-sse2-no-bsf.S: Likewise.
* sysdeps/x86_64/multiarch/strchr.S: Likewise.
* sysdeps/x86_64/multiarch/strcmp-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcmp.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy.S: Likewise.
* sysdeps/x86_64/multiarch/strcspn.S: Likewise.
* sysdeps/x86_64/multiarch/strspn.S: Likewise.
* sysdeps/x86_64/multiarch/wcscpy-c.c: Likewise.
* sysdeps/x86_64/multiarch/wcscpy-ssse3.S: Likewise.
* sysdeps/x86_64/multiarch/wcscpy.S: Likewise.
* sysdeps/x86_64/multiarch/wmemcmp-c.c: Likewise.
* sysdeps/x86_64/multiarch/wmemcmp.S: Likewise.
* sysdeps/x86_64/strcmp.S: Likewise.
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Errno is not set and the testcases will fail.
Now the scalbln-aliases are removed in i386/m68
and the wrappers are used when calling the scalbln-functions.
On ia64 only scalblnf has its own implementation.
For scalbln and scalblnl the ieee754/dbl-64 and ieee754/ldbl-96 are used, thus
the wrappers are needed, too.
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As recently discussed
<https://sourceware.org/ml/libc-alpha/2014-02/msg00670.html>, it
doesn't seem particularly useful for libm-test-ulps files to contain
huge amounts of data on ulps for individual tests; just the global
maximum observed ulps for each function, together with the
verification of exceptions, errno and special results such as
infinities and NaNs for each test, suffices to verify that a
function's behavior on the given test inputs is within the expected
accuracy. Removing this data reduces source tree churn caused by
updates to these files when libm tests are added, and reduces the
frequency with which testsuite additions actually need libm-test-ulps
changes at all.
Accordingly, this patch removes that data, so that individual tests
get checked against the global bounds for the given function and only
generate an error if those are exceeded. Tested x86_64 (including
verifying that if an ulps value is artificially reduced, the tests do
indeed fail as they should and "make regen-ulps" generates the
expected changes).
* math/libm-test.inc (struct ulp_data): Don't refer to ulps for
individual tests in comment.
(libm-test-ulps.h): Don't refer to test_ulps in #include comment.
(prev_max_error): New variable.
(prev_real_max_error): Likewise.
(prev_imag_max_error): Likewise.
(compare_ulp_data): Don't refer to test names in comment.
(find_test_ulps): Remove function.
(find_function_ulps): Likewise.
(find_complex_function_ulps): Likewise.
(init_max_error): Take function name as argument. Look up ulps
for that function.
(print_ulps): Remove function.
(print_max_error): Use prev_max_error instead of calling
find_function_ulps.
(print_complex_max_error): Use prev_real_max_error and
prev_imag_max_error instead of calling find_complex_function_ulps.
(check_float_internal): Take max_ulp parameter instead of calling
find_test_ulps. Don't call print_ulps.
(check_float): Update call to check_float_internal.
(check_complex): Update calls to check_float_internal.
(START): Pass argument to init_max_error.
* math/gen-libm-test.pl (%results): Don't include "kind"
information.
(parse_ulps): Don't handle ulps of individual tests.
(print_ulps_file): Likewise.
(output_ulps): Likewise.
* math/README.libm-test: Update.
* manual/libm-err-tab.pl (parse_ulps): Don't handle ulps of
individual tests.
* sysdeps/aarch64/libm-test-ulps: Remove individual test ulps.
* sysdeps/alpha/fpu/libm-test-ulps: Likewise.
* sysdeps/arm/libm-test-ulps: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/ia64/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
* sysdeps/s390/fpu/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps: Likewise.
* sysdeps/tile/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps: Remove individual test ulps.
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libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
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