-# Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 1996-2016 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
-# License along with the GNU C Library; if not, write to the Free
-# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA.
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
# Makefile for the math library.
subdir := math
+include ../Makeconfig
+
# Installed header files.
headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
- bits/nan.h fpu_control.h complex.h bits/cmathcalls.h \
- fenv.h bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h
-
-# Internal header files.
-distribute := math_ldbl.h math_private.h machine/asm.h
+ bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \
+ fpu_control.h complex.h bits/cmathcalls.h fenv.h \
+ bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
+ bits/math-finite.h bits/math-vector.h \
+ bits/libm-simd-decl-stubs.h
# FPU support code.
aux := setfpucw fpu_control
extra-libs := libm
extra-libs-others = $(extra-libs)
-libm-support = k_standard s_lib_version s_matherr s_signgam \
+libm-support = s_lib_version s_matherr s_signgam \
fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \
ftestexcept fegetround fesetround fegetenv feholdexcpt \
fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \
libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \
e_hypot e_j0 e_j1 e_jn e_lgamma_r e_log e_log10 e_pow \
e_rem_pio2 e_remainder e_scalb e_sinh e_sqrt e_gamma_r \
+ e_ilogb \
k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \
- s_ceil s_copysign s_cos s_erf s_expm1 s_fabs s_finite \
- s_floor s_frexp s_ilogb s_ldexp s_log1p s_logb \
- s_modf s_nextafter s_nexttoward s_rint s_scalbn s_scalbln \
+ s_ceil s_cos s_erf s_expm1 s_fabs \
+ s_floor s_log1p w_log1p s_logb \
+ s_nextafter s_nexttoward s_rint s_scalbln w_scalbln \
s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \
- w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \
+ w_atan2 w_atanh w_cosh w_exp w_exp2 w_exp10 w_fmod \
w_tgamma w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r \
w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt \
- s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \
+ w_ilogb \
+ s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc \
s_remquo e_log2 e_exp2 s_round s_nearbyint s_sincos \
conj cimag creal cabs carg s_cexp s_csinh s_ccosh s_clog \
s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \
s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \
- s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2
+ s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2 \
+ s_issignaling $(calls:s_%=m_%) x2y2m1 k_casinh \
+ gamma_product k_standard lgamma_neg lgamma_product \
+ w_lgamma_compat
+
dbl-only-routines := branred doasin dosincos halfulp mpa mpatan2 \
mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
- slowpow
+ slowpow sincostab
libm-routines = $(strip $(libm-support) $(libm-calls) \
$(patsubst %_rf,%f_r,$(libm-calls:=f)) \
$(long-m-$(long-double-fcts))) \
long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l))
long-m-support = t_sincosl k_sincosl
long-m-yes = $(long-m-routines) $(long-m-support)
-distribute += $(long-m-yes:=.c)
# These functions are in libc instead of libm because __printf_fp
# calls them, so any program using printf will need them linked in,
# and we don't want to have to link every program with -lm.
+# In libm-calls (above), list m_foo in place of s_foo for any
+# routine that should be compiled separately for its libc and libm versions.
calls = s_isinf s_isnan s_finite s_copysign s_modf s_scalbn s_frexp s_ldexp \
s_signbit
+generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s))
routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts))
long-c-yes = $(calls:=l)
-distribute += $(long-c-yes:=.c)
-include ../Makeconfig
+ifeq ($(build-mathvec),yes)
+# We need to install libm.so as linker script
+# for more comfortable use of vector math library.
+install-lib-ldscripts := libm.so
+install_subdir: $(inst_libdir)/libm.so
+$(inst_libdir)/libm.so: $(common-objpfx)format.lds \
+ $(libm) \
+ $(libmvec) \
+ $(+force)
+ (echo '/* GNU ld script'; echo '*/';\
+ cat $<; \
+ echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
+ 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
+ ) > $@
+endif
# Rules for the test suite.
tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
- test-misc test-fpucw tst-definitions test-tgmath
+ test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
+ test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
+ test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
+ test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
+ test-nearbyint-except test-fenv-clear test-signgam-finite \
+ test-signgam-finite-c99 test-signgam-finite-c11 \
+ test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
+ test-signgam-uint test-signgam-uint-init test-signgam-ullong \
+ test-signgam-ullong-init test-nan-overflow test-nan-payload \
+ $(tests-static)
+tests-static = test-fpucw-static test-fpucw-ieee-static \
+ test-signgam-uchar-static test-signgam-uchar-init-static \
+ test-signgam-uint-static test-signgam-uint-init-static \
+ test-signgam-ullong-static test-signgam-ullong-init-static
# We do the `long double' tests only if this data type is available and
# distinct from `double'.
-test-longdouble-yes = test-ldouble test-ildoubl
-distribute += $(test-longdouble-yes:=.c)
+test-longdouble-yes = test-ldouble test-ildoubl test-ldouble-finite
ifneq (no,$(PERL))
+libm-vec-tests = $(addprefix test-,$(libmvec-tests))
libm-tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \
- test-ifloat test-idouble
+ test-ifloat test-idouble test-float-finite test-double-finite \
+ $(libm-vec-tests)
libm-tests.o = $(addsuffix .o,$(libm-tests))
tests += $(libm-tests)
-libm-tests-generated = libm-test-ulps.h libm-test.c
+libm-tests-generated = libm-test-ulps.h libm-have-vector-test.h libm-test.c
generated += $(libm-tests-generated) libm-test.stmp
# This is needed for dependencies
before-compile += $(objpfx)libm-test.c
-ulps-file = $(firstword $(wildcard $(config-sysdirs:%=$(..)%/libm-test-ulps)))
+ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))
$(addprefix $(objpfx), $(libm-tests-generated)): $(objpfx)libm-test.stmp
-$(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl
+$(objpfx)libm-test.stmp: $(ulps-file) libm-test.inc gen-libm-test.pl \
+ gen-libm-have-vector-test.sh auto-libm-test-out
$(make-target-directory)
$(PERL) gen-libm-test.pl -u $< -o "$(objpfx)"
+ $(SHELL) gen-libm-have-vector-test.sh > $(objpfx)libm-have-vector-test.h
@echo > $@
$(objpfx)test-float.o: $(objpfx)libm-test.stmp
$(objpfx)test-ifloat.o: $(objpfx)libm-test.stmp
+$(objpfx)test-float-finite.o: $(objpfx)libm-test.stmp
$(objpfx)test-double.o: $(objpfx)libm-test.stmp
$(objpfx)test-idouble.o: $(objpfx)libm-test.stmp
+$(objpfx)test-double-finite.o: $(objpfx)libm-test.stmp
$(objpfx)test-ldouble.o: $(objpfx)libm-test.stmp
$(objpfx)test-ildoubl.o: $(objpfx)libm-test.stmp
+$(objpfx)test-ldouble-finite.o: $(objpfx)libm-test.stmp
endif
-CFLAGS-test-float.c = -fno-inline -ffloat-store
-CFLAGS-test-double.c = -fno-inline -ffloat-store
-CFLAGS-test-ldouble.c = -fno-inline -ffloat-store
-CFLAGS-test-tgmath.c = -fno-builtin
-CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__
-CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__
-CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__
+libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
+libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
+ -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
-distribute += libm-test.inc gen-libm-test.pl README.libm-test
+CFLAGS-test-double-vlen2.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen4.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags)
+
+CFLAGS-test-double-vlen8.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags)
+
+CFLAGS-test-float-vlen4.c = $(libm-test-vec-cflags)
+
+CFLAGS-test-float-vlen8.c = $(libm-test-vec-cflags)
+CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags)
+
+CFLAGS-test-float-vlen16.c = $(libm-test-vec-cflags)
+CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags)
+
+libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin
+libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
+ -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
+CFLAGS-test-float.c = $(libm-test-no-inline-cflags)
+CFLAGS-test-float-finite.c = $(libm-test-finite-cflags)
+CFLAGS-test-double.c = $(libm-test-no-inline-cflags)
+CFLAGS-test-double-finite.c = $(libm-test-finite-cflags)
+CFLAGS-test-ldouble.c = $(libm-test-no-inline-cflags)
+CFLAGS-test-ldouble-finite.c = $(libm-test-finite-cflags)
+CFLAGS-test-tgmath.c = -fno-builtin
+# The following testcase uses very long lines (>3 million), so it may take a
+# while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
+CFLAGS-test-tgmath2.c = -fno-builtin
+CFLAGS-test-tgmath-ret.c = -fno-builtin
+CFLAGS-test-powl.c = -fno-builtin
+
+CFLAGS-test-snan.c = -fsignaling-nans
+CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES \
+ $(libm-test-fast-math-cflags)
+CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES \
+ $(libm-test-fast-math-cflags)
+CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES \
+ $(libm-test-fast-math-cflags)
+
+CFLAGS-test-signgam-finite.c = -ffinite-math-only
+CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99
+CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11
+CFLAGS-test-signgam-uchar.c = -std=c99
+CFLAGS-test-signgam-uchar-init.c = -std=c99
+CFLAGS-test-signgam-uchar-static.c = -std=c99
+CFLAGS-test-signgam-uchar-init-static.c = -std=c99
+CFLAGS-test-signgam-uint.c = -std=c99
+CFLAGS-test-signgam-uint-init.c = -std=c99
+CFLAGS-test-signgam-uint-static.c = -std=c99
+CFLAGS-test-signgam-uint-init-static.c = -std=c99
+CFLAGS-test-signgam-ullong.c = -std=c99
+CFLAGS-test-signgam-ullong-init.c = -std=c99
+CFLAGS-test-signgam-ullong-static.c = -std=c99
+CFLAGS-test-signgam-ullong-init-static.c = -std=c99
# The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
# for error handling in the -lm functions.
install-lib += libieee.a
non-lib.a += libieee.a
extra-objs += libieee.a ieee-math.o
-distribute += ieee-math.c
include ../Rules
+ifneq (no,$(PERL))
+# This must come after the inclusion of sysdeps Makefiles via Rules.
+$(addprefix $(objpfx), $(addsuffix .o, $(libm-vec-tests))): $(objpfx)libm-test.stmp
+
+# 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 -o $(objpfx) -n -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)
+
# This file defines the default _LIB_VERSION variable that controls
# the error return conventions for the math functions.
math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double
endif
-# The fdlibm code generates a lot of these warnings but is otherwise clean.
-override CFLAGS += -Wno-uninitialized
-
# The -lieee library is actually an object file.
# The module just defines the _LIB_VERSION_ variable.
# It's not a library to make sure it is linked in instead of s_lib_version.o.
$(patsubst %/,cd % &&,$(objpfx)) \
$(LN_S) $(<F) $(@F)
-ifeq ($(build-shared),yes)
-$(addprefix $(objpfx),$(tests)): $(objpfx)libm.so$(libm.so-version)
-else
-$(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
-endif
-ifeq ($(build-bounded),yes)
-$(tests:%=$(objpfx)%-bp): $(objpfx)libm_b.a
-endif
+$(addprefix $(objpfx),$(filter-out $(tests-static) $(libm-vec-tests),$(tests))): $(libm)
+$(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
+$(addprefix $(objpfx), $(libm-vec-tests)): $(objpfx)%: $(libm) $(libmvec) \
+ $(objpfx)%-wrappers.o
-ifeq ($(build-static),yes)
-o = .o
-else
-o = .os
-endif
-gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%$o,\
+gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\
add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
- lshift rshift udiv_qrnnd inlines)
+ lshift rshift mp_clz_tab udiv_qrnnd inlines \
+ $(gmp-sysdep_routines))
$(objpfx)atest-exp: $(gmp-objs)
$(objpfx)atest-sincos: $(gmp-objs)
$(objpfx)atest-exp2: $(gmp-objs)
-
-# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
-# This ensures they will load libc.so for needed symbols if loaded by
-# a statically-linked program that hasn't already loaded it.
-$(objpfx)libm.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a
+$(objpfx)test-fenv-tls: $(shared-thread-library)
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