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875c76c704
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.
580 lines
22 KiB
Makefile
580 lines
22 KiB
Makefile
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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# Makefile for the math library.
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subdir := math
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include ../Makeconfig
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# Installed header files.
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headers := math.h bits/mathcalls.h bits/mathinline.h \
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fpu_control.h complex.h bits/cmathcalls.h fenv.h \
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bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
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bits/math-finite.h bits/math-vector.h \
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bits/libm-simd-decl-stubs.h bits/iscanonical.h \
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bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
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bits/long-double.h bits/mathcalls-helper-functions.h \
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bits/floatn.h
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# FPU support code.
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aux := setfpucw fpu_control
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# Build the -lm library.
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extra-libs := libm
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extra-libs-others = $(extra-libs)
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libm-support = s_lib_version s_matherr s_signgam \
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fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
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ftestexcept fegetround fesetround fegetenv feholdexcpt \
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fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \
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fegetexcept fesetexcept fetestexceptflag fegetmode \
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fesetmode
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# Wrappers for these functions generated per type using a file named
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# <func>_template.c and the appropriate math-type-macros-<TYPE>.h.
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gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \
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s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF \
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k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
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s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \
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s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \
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s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF \
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w_log1pF w_scalblnF s_fmaxmagF s_fminmagF w_acosF \
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w_acoshF w_asinF w_atan2F w_atanhF w_coshF w_exp10F \
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w_exp2F w_fmodF w_hypotF w_j0F w_j1F w_jnF w_logF \
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w_log10F w_log2F w_powF w_remainderF w_sinhF w_sqrtF \
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w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F
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libm-calls = \
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e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
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e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF \
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e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r \
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e_ilogbF \
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k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF \
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s_ceilF s_cosF s_erfF s_expm1F s_fabsF \
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s_floorF s_log1pF s_logbF \
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s_nextafterF s_nexttowardF s_rintF s_scalblnF \
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s_significandF s_sinF s_tanF s_tanhF \
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s_fpclassifyF s_truncF \
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s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF \
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s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F \
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s_issignalingF $(calls:s_%=m_%) x2y2m1F \
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gamma_productF lgamma_negF lgamma_productF \
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s_nextupF s_totalorderF s_totalordermagF s_getpayloadF \
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s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF \
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s_fromfpxF s_ufromfpxF $(gen-libm-calls)
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libm-compat-calls = \
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w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat \
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w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat \
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w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat \
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w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat \
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w_powF_compat w_remainderF_compat w_scalbF_compat \
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w_sinhF_compat w_sqrtF_compat w_tgammaF_compat \
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w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat \
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w_lgamma_compatF k_standardF
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# Type specific routine support.
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#
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# The following three variables control what is included for each type:
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#
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# type-floatN-suffix = The suffix of the type
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# type-floatN-routines = Type specific support objects
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# type-floatN-yes = If the type is supported, evaluates to floatN
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#
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# Finally, note that types is an intentionally recursive variable.
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# We only know the full set of supported types for the target machine
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# after the Rules makefile has been parsed.
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types-basic = $(type-ldouble-$(long-double-fcts)) double float
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# long double support
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type-ldouble-suffix := l
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type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall
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type-ldouble-yes := ldouble
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# double support
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type-double-suffix :=
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type-double-routines := branred doasin dosincos halfulp mpa mpatan2 \
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mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
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slowpow sincostab k_rem_pio2
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# float support
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type-float-suffix := f
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type-float-routines := k_rem_pio2f math_errf e_exp2f_data e_logf_data \
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e_log2f_data
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# _Float128 support
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type-float128-suffix := f128
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type-float128-routines := t_sincosf128 k_sincosf128
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type-float128-yes := float128
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types = $(types-basic) $(type-float128-$(float128-fcts))
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# For each of the basic types (float, double, long double), replace the
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# occurrences of 'F' in arg 1 with the appropriate suffix for the type.
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type-basic-foreach = $(foreach t, $(types-basic), \
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$(subst F,$(type-$(t)-suffix),$(1)))
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# Apply suffix to each type in arg 1
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type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1)))
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libm-routines = $(strip $(libm-support) \
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$(call type-basic-foreach, \
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$(libm-compat-calls)) \
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$(call type-foreach, $(libm-calls)) \
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$(foreach t, $(types), $(type-$(t)-routines))) \
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# These functions are in libc instead of libm because __printf_fp
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# calls them, so any program using printf will need them linked in,
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# and we don't want to have to link every program with -lm.
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# In libm-calls (above), list m_foo in place of s_foo for any
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# routine that should be compiled separately for its libc and libm versions.
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calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \
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s_signbitF $(gen-calls)
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gen-calls = s_ldexpF
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generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
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routines = $(call type-foreach, $(calls))
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ifeq ($(build-mathvec),yes)
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# We need to install libm.so and libm.a as linker scripts
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# for transparent use of vector math library.
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install-lib-ldscripts := libm.so libm.a
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install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
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$(inst_libdir)/libm.so: $(common-objpfx)format.lds \
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$(libm) \
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$(libmvec) \
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$(+force)
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(echo '/* GNU ld script'; echo '*/';\
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cat $<; \
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echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
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'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
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) > $@.new
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mv -f $@.new $@
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$(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \
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$(+force)
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$(do-install)
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$(inst_libdir)/libm.a: $(common-objpfx)format.lds \
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$(inst_libdir)/libm-$(version).a \
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$(objpfx)../mathvec/libmvec.a \
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$(+force)
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(echo '/* GNU ld script'; echo '*/';\
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cat $<; \
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echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
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) > $@.new
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mv -f $@.new $@
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endif
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# Rules for the test suite.
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tests = test-matherr-3 test-fenv basic-test \
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test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
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test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
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test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
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test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
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test-nearbyint-except test-fenv-clear test-signgam-finite \
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test-signgam-finite-c99 test-signgam-finite-c11 \
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test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
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test-signgam-uint test-signgam-uint-init test-signgam-ullong \
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test-signgam-ullong-init test-nan-overflow test-nan-payload \
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test-fexcept test-fexcept-traps test-fesetexcept \
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test-fesetexcept-traps test-fetestexceptflag test-femode \
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test-femode-traps test-iszero-excess-precision \
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test-iseqsig-excess-precision test-flt-eval-method \
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test-fp-ilogb-constants test-fp-llogb-constants \
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test-fe-snans-always-signal test-finite-macros $(tests-static)
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tests-static = test-fpucw-static test-fpucw-ieee-static \
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test-signgam-uchar-static test-signgam-uchar-init-static \
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test-signgam-uint-static test-signgam-uint-init-static \
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test-signgam-ullong-static test-signgam-ullong-init-static
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tests-internal = test-matherr test-matherr-2
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# These tests use internal (unexported) GMP functions and are linked
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# statically to obtain access to these functions.
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tests-static += atest-exp atest-sincos atest-exp2
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ifneq (,$(CXX))
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tests += test-math-isinff test-math-iszero test-math-issignaling
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endif
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ifneq (no,$(PERL))
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libm-vec-tests = $(addprefix test-,$(libmvec-tests))
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libm-test-support = $(foreach t,$(types),libm-test-support-$(t))
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test-extras += $(libm-test-support)
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extra-test-objs += $(addsuffix .o, $(libm-test-support))
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libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests))
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test-extras += $(libm-vec-test-wrappers)
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extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers))
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ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))
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$(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl
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$(make-target-directory)
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$(PERL) gen-libm-test.pl -u $< -H $@
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libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \
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cacosh carg casin casinh catan catanh cbrt ccos ccosh \
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cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
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ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
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lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
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tan tanh tgamma y0 y1 yn
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libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \
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fabs fdim floor fmax fmaxmag fmin fminmag fmod \
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fpclassify frexp fromfp fromfpx getpayload ilogb \
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iscanonical iseqsig isfinite isgreater \
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isgreaterequal isinf isless islessequal \
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islessgreater isnan isnormal issignaling issubnormal \
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isunordered iszero llogb llrint llround logb lrint \
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lround modf nearbyint nextafter nextdown nexttoward \
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nextup remainder remquo rint round roundeven scalb \
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scalbln scalbn setpayload setpayloadsig signbit \
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significand totalorder totalordermag trunc ufromfp \
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ufromfpx
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libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto)
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libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c)
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libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c)
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generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto)
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libm-tests-base-normal = $(foreach t,$(types),test-$(t))
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libm-tests-base-finite = $(foreach t,$(types),test-$(t)-finite)
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libm-tests-base-inline = $(foreach t,$(types),test-i$(t))
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libm-tests-base = $(libm-tests-base-normal) $(libm-tests-base-finite) \
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$(libm-tests-base-inline) $(libm-vec-tests)
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libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\
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$(foreach f,$(libm-test-funcs-all),\
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$(t)-$(f)))
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libm-tests-finite = $(foreach t,$(libm-tests-base-finite),\
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$(foreach f,$(libm-test-funcs-all),\
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$(t)-$(f)))
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libm-tests-inline = $(foreach t,$(libm-tests-base-inline),\
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$(foreach f,$(libm-test-funcs-all),\
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$(t)-$(f)))
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libm-tests-vector = $(foreach t,$(libmvec-tests),\
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$(foreach f,$($(t)-funcs),test-$(t)-$(f)))
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libm-tests = $(libm-tests-normal) $(libm-tests-finite) $(libm-tests-inline) \
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$(libm-tests-vector)
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libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\
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test-$(1)-$(f) test-$(1)-finite-$(f) \
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test-i$(1)-$(f)) \
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$(filter test-$(1)-%,$(libm-tests-vector))
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libm-tests.o = $(addsuffix .o,$(libm-tests))
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tests += $(libm-tests)
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generated += $(addsuffix .c,$(libm-tests)) \
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$(foreach t,$(types),libm-test-support-$(t).c)
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libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto))
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libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto))
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$(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
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gen-libm-test.pl
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$(make-target-directory)
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$(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@
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$(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
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gen-libm-test.pl \
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auto-libm-test-out%
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$(make-target-directory)
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$(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@
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libm-test-incs = $(foreach f,$(libm-test-funcs-all),libm-test-$(f).inc)
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endif
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ifdef PYTHON
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tests += test-tgmath3
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generated += test-tgmath3.c
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CFLAGS-test-tgmath3.c = -fno-builtin
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$(objpfx)test-tgmath3.c: gen-tgmath-tests.py
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$(PYTHON) $< > $@
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endif
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libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
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libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
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-ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
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CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags)
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CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags)
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CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags)
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CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags)
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# The no-inline tests use -fsignaling-nans, and thereby use the
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# versions of classification macros that support sNaNs. The inline
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# function tests use the versions of classification macros that may
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# raise spurious exceptions for sNaNs, but also do not test for
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# exceptions. Thus both versions of the classification macros are
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# validated.
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libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \
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-fsignaling-nans
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libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
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-U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
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libm-test-inline-cflags = $(libm-test-fast-math-cflags)
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CFLAGS-test-tgmath.c = -fno-builtin
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# The following testcase uses very long lines (>3 million), so it may take a
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# while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
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# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
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CFLAGS-test-tgmath2.c = -fno-builtin
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CFLAGS-test-tgmath-ret.c = -fno-builtin
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CFLAGS-test-powl.c = -fno-builtin
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CFLAGS-test-snan.c = -fsignaling-nans
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CFLAGS-test-signgam-finite.c = -ffinite-math-only
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CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99
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CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11
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CFLAGS-test-signgam-uchar.c = -std=c99
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CFLAGS-test-signgam-uchar-init.c = -std=c99
|
|
CFLAGS-test-signgam-uchar-static.c = -std=c99
|
|
CFLAGS-test-signgam-uchar-init-static.c = -std=c99
|
|
CFLAGS-test-signgam-uint.c = -std=c99
|
|
CFLAGS-test-signgam-uint-init.c = -std=c99
|
|
CFLAGS-test-signgam-uint-static.c = -std=c99
|
|
CFLAGS-test-signgam-uint-init-static.c = -std=c99
|
|
CFLAGS-test-signgam-ullong.c = -std=c99
|
|
CFLAGS-test-signgam-ullong-init.c = -std=c99
|
|
CFLAGS-test-signgam-ullong-static.c = -std=c99
|
|
CFLAGS-test-signgam-ullong-init-static.c = -std=c99
|
|
|
|
CFLAGS-test-math-isinff.cc = -std=gnu++11
|
|
CFLAGS-test-math-iszero.cc = -std=gnu++11
|
|
CFLAGS-test-math-issignaling.cc = -std=gnu++11
|
|
|
|
CFLAGS-test-iszero-excess-precision.c = -fexcess-precision=standard
|
|
CFLAGS-test-iseqsig-excess-precision.c = -fexcess-precision=standard
|
|
CFLAGS-test-flt-eval-method.c = -fexcess-precision=standard
|
|
|
|
CFLAGS-test-fe-snans-always-signal.c = -fsignaling-nans
|
|
|
|
CFLAGS-test-finite-macros.c = -ffinite-math-only
|
|
|
|
include ../Rules
|
|
|
|
gen-all-calls = $(gen-libm-calls) $(gen-calls)
|
|
|
|
generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \
|
|
gen-libm-templates.stmp
|
|
|
|
# Create wrappers in the math build directory.
|
|
$(objpfx)gen-libm-templates.stmp: Makefile
|
|
$(make-target-directory)
|
|
for gcall in $(gen-all-calls); do \
|
|
func=$${gcall%F*}$${gcall#*F}; \
|
|
for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \
|
|
suff=$${type#*__}; \
|
|
type=$${type%__*}; \
|
|
file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c; \
|
|
( \
|
|
echo "#include <math-type-macros-$${type}.h>"; \
|
|
echo "#include <$${func}_template.c>"; \
|
|
) > $${file}; \
|
|
done; \
|
|
done; \
|
|
echo > $(@)
|
|
|
|
# Add dependency to ensure the generator runs prior.
|
|
$(foreach t, $(call type-foreach, $(gen-all-calls)), \
|
|
$(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp
|
|
|
|
ifneq (no,$(PERL))
|
|
# This must come after the inclusion of sysdeps Makefiles via Rules.
|
|
|
|
$(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c:
|
|
type_func=$*; \
|
|
type=$${type_func%%-*}; \
|
|
func=$${type_func#*-}; \
|
|
( \
|
|
echo "#include <test-$$type.h>"; \
|
|
echo "#include <test-math-no-finite.h>"; \
|
|
echo "#include <test-math-no-inline.h>"; \
|
|
echo "#include <test-math-errno.h>"; \
|
|
echo "#include <test-math-scalar.h>"; \
|
|
echo "#include <libm-test-$$func.c>"; \
|
|
) > $@
|
|
|
|
$(foreach t,$(libm-tests-finite),$(objpfx)$(t).c): $(objpfx)test-%.c:
|
|
type_func=$*; \
|
|
type=$${type_func%%-*}; \
|
|
func=$${type_func#*-finite-}; \
|
|
( \
|
|
echo "#include <test-$$type.h>"; \
|
|
echo "#include <test-math-finite.h>"; \
|
|
echo "#include <test-math-no-inline.h>"; \
|
|
echo "#include <test-math-scalar.h>"; \
|
|
echo "#include <libm-test-$$func.c>"; \
|
|
) > $@
|
|
|
|
$(foreach t,$(libm-tests-inline),$(objpfx)$(t).c): $(objpfx)test-i%.c:
|
|
type_func=$*; \
|
|
type=$${type_func%%-*}; \
|
|
func=$${type_func#*-}; \
|
|
( \
|
|
echo "#include <test-$$type.h>"; \
|
|
echo "#include <test-math-inline.h>"; \
|
|
echo "#include <test-math-scalar.h>"; \
|
|
echo "#include <libm-test-$$func.c>"; \
|
|
) > $@
|
|
|
|
$(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c:
|
|
type_func=$*; \
|
|
type=$${type_func%-*}; \
|
|
func=$${type_func##*-}; \
|
|
func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \
|
|
| sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \
|
|
( \
|
|
echo "#include <test-$$type.h>"; \
|
|
echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
|
|
echo "#include <libm-test-$$func.c>"; \
|
|
) > $@
|
|
|
|
$(foreach t,$(types),\
|
|
$(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c:
|
|
( \
|
|
echo "#include <test-$*.h>"; \
|
|
echo "#include <libm-test-support.c>"; \
|
|
) > $@
|
|
|
|
$(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h
|
|
|
|
define o-iterator-doit
|
|
$(foreach f,$(libm-test-funcs-all),\
|
|
$(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c
|
|
endef
|
|
object-suffixes-left := $(libm-tests-base)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(foreach f,$(libm-test-funcs-all),\
|
|
$(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
|
|
endef
|
|
object-suffixes-left := $(libm-tests-base-normal)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(foreach f,$(libm-test-funcs-all),\
|
|
$(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-finite-cflags)
|
|
endef
|
|
object-suffixes-left := $(libm-tests-base-finite)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(foreach f,$(libm-test-funcs-all),\
|
|
$(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-inline-cflags)
|
|
endef
|
|
object-suffixes-left := $(libm-tests-base-inline)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(foreach f,$($(o)-funcs),\
|
|
$(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags)
|
|
endef
|
|
object-suffixes-left := $(libmvec-tests)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(addprefix $(objpfx),\
|
|
$(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o
|
|
endef
|
|
object-suffixes-left := $(types)
|
|
include $(o-iterator)
|
|
|
|
define o-iterator-doit
|
|
$(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags)
|
|
endef
|
|
object-suffixes-left := $(types)
|
|
include $(o-iterator)
|
|
|
|
# Run the math programs to automatically generate ULPs files.
|
|
.PHONY: regen-ulps
|
|
|
|
run-regen-ulps = $(test-wrapper-env) \
|
|
$(run-program-env) \
|
|
$($*-ENV) $(rtld-prefix) $${run}
|
|
|
|
regen-ulps: $(addprefix $(objpfx),$(libm-tests))
|
|
rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \
|
|
cp $(ulps-file) $(objpfx)libm-test-ulps; \
|
|
for run in $^; do \
|
|
echo "Regenerating ULPs for $${run}"; \
|
|
$(run-regen-ulps) -u -o $(objpfx); \
|
|
cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \
|
|
rm $(objpfx)ULPs; \
|
|
done; \
|
|
$(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \
|
|
-u $(objpfx)libm-test-ulps; \
|
|
echo "Automatic regeneration of ULPs complete."; \
|
|
echo "Difference between the current baseline and the new baseline is:";\
|
|
diff -urN $(ulps-file) $(objpfx)NewUlps; \
|
|
echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
|
|
else
|
|
regen-ulps:
|
|
@echo "Automatic regeneration of ULPs requires perl."; \
|
|
exit 1;
|
|
endif
|
|
|
|
# The generated sysd-rules file defines rules like this for sources
|
|
# coming from sysdeps/ directories. These rules find the generic sources.
|
|
define o-iterator-doit
|
|
$(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c)
|
|
endef
|
|
object-suffixes-left := $(all-object-suffixes)
|
|
include $(o-iterator)
|
|
|
|
# Likewise, for those generated files shared with libc.
|
|
define o-iterator-doit
|
|
$(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c)
|
|
endef
|
|
object-suffixes-left := $(all-object-suffixes)
|
|
include $(o-iterator)
|
|
|
|
# We don't want the fdlibm code to use the inline math functions,
|
|
# only the fdlibm code.
|
|
math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
|
|
|
|
ifneq ($(long-double-fcts),yes)
|
|
# The `double' and `long double' types are the same on this machine.
|
|
# We won't compile the `long double' code at all. Tell the `double' code
|
|
# to define aliases for the `FUNCl' names. To avoid type conflicts in
|
|
# defining those aliases, tell <math.h> to declare the `FUNCl' names with
|
|
# `double' instead of `long double'.
|
|
math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
|
|
endif
|
|
|
|
# These files quiet sNaNs in a way that is optimized away without
|
|
# -fsignaling-nans.
|
|
CFLAGS-s_modf.c += -fsignaling-nans
|
|
CFLAGS-s_modff.c += -fsignaling-nans
|
|
CFLAGS-s_modfl.c += -fsignaling-nans
|
|
CFLAGS-s_modff128.c += -fsignaling-nans
|
|
|
|
$(addprefix $(objpfx),\
|
|
$(filter-out $(tests-static) $(libm-tests-vector),\
|
|
$(tests) $(tests-internal))): $(libm)
|
|
$(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
|
|
define o-iterator-doit
|
|
$(foreach f,$($(o)-funcs),\
|
|
$(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \
|
|
$(libm) $(libmvec)
|
|
endef
|
|
object-suffixes-left := $(libmvec-tests)
|
|
include $(o-iterator)
|
|
|
|
$(objpfx)test-fenv-tls: $(shared-thread-library)
|