math/Makefile

   1 # Copyright (C) 1996-2018 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 # Makefile for the math library.
  19
  20 subdir          := math
  21
  22 include ../Makeconfig
  23
  24 # Installed header files.
  25 headers         := math.h bits/mathcalls.h bits/mathinline.h \
  26                    fpu_control.h complex.h bits/cmathcalls.h fenv.h \
  27                    bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
  28                    bits/math-finite.h bits/math-vector.h \
  29                    bits/libm-simd-decl-stubs.h bits/iscanonical.h \
  30                    bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
  31                    bits/long-double.h bits/mathcalls-helper-functions.h \
  32                    bits/floatn.h bits/floatn-common.h bits/mathcalls-narrow.h
  33
  34 # FPU support code.
  35 aux             := setfpucw fpu_control
  36
  37 # Build the -lm library.
  38
  39 extra-libs      := libm
  40 extra-libs-others = $(extra-libs)
  41
  42 libm-support = s_lib_version s_matherr s_signgam                        \
  43                fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg          \
  44                ftestexcept fegetround fesetround fegetenv feholdexcpt   \
  45                fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt       \
  46                fegetexcept fesetexcept fetestexceptflag fegetmode       \
  47                fesetmode
  48
  49 # Wrappers for these functions generated per type using a file named
  50 # <func>_template.c and the appropriate math-type-macros-<TYPE>.h.
  51 gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF                 \
  52                  s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF    \
  53                  k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \
  54                  s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF       \
  55                  s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF    \
  56                  s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF      \
  57                  w_log1pF w_scalblnF s_fmaxmagF s_fminmagF w_acosF        \
  58                  w_acoshF w_asinF w_atan2F w_atanhF w_coshF w_exp10F      \
  59                  w_exp2F w_fmodF w_hypotF w_j0F w_j1F w_jnF w_logF        \
  60                  w_log10F w_log2F w_powF w_remainderF w_sinhF w_sqrtF     \
  61                  w_tgammaF w_lgammaF w_lgammaF_r w_expF e_exp2F
  62
  63 libm-calls =                                                              \
  64         e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \
  65         e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF     \
  66         e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r      \
  67         e_ilogbF                                                          \
  68         k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF                     \
  69         s_ceilF s_cosF s_erfF s_expm1F s_fabsF                            \
  70         s_floorF s_log1pF s_logbF                                 \
  71         s_nextafterF s_nexttowardF s_rintF s_scalblnF                     \
  72         s_significandF s_sinF s_tanF s_tanhF                              \
  73         s_fpclassifyF s_truncF                                            \
  74         s_remquoF e_log2F s_roundF s_nearbyintF s_sincosF                 \
  75         s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F           \
  76         s_issignalingF $(calls:s_%=m_%) x2y2m1F                           \
  77         gamma_productF lgamma_negF lgamma_productF                        \
  78         s_nextupF s_totalorderF s_totalordermagF s_getpayloadF            \
  79         s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF  \
  80         s_fromfpxF s_ufromfpxF $(gen-libm-calls)
  81
  82 libm-compat-calls =                                                     \
  83         w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat   \
  84         w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat   \
  85         w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat        \
  86         w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat       \
  87         w_powF_compat w_remainderF_compat w_scalbF_compat               \
  88         w_sinhF_compat w_sqrtF_compat w_tgammaF_compat                  \
  89         w_lgammaF_r_compat w_lgammaF_compat2 w_expF_compat              \
  90         w_lgamma_compatF k_standardF
  91
  92 libm-narrow-fns =
  93 libm-narrow-types-basic = s_fF s_f32xFf64
  94 libm-narrow-types-ldouble-yes = s_fFl s_dFl
  95 libm-narrow-types-float128-yes = s_f32Ff128 s_f64Ff128 s_f64xFf128
  96 libm-narrow-types-float128-alias-yes = s_f64xFf128
  97 libm-narrow-types = $(libm-narrow-types-basic) \
  98                     $(libm-narrow-types-ldouble-$(long-double-fcts)) \
  99                     $(libm-narrow-types-float128-$(float128-fcts)) \
 100                     $(libm-narrow-types-float128-alias-$(float128-alias-fcts))
 101
 102 # Type specific routine support.
 103 #
 104 # The following three variables control what is included for each type:
 105 #
 106 # type-floatN-suffix = The suffix of the type
 107 # type-floatN-routines = Type specific support objects
 108 # type-floatN-yes = If the type is supported, evaluates to floatN
 109 #
 110 # Finally, note that types is an intentionally recursive variable.
 111 # We only know the full set of supported types for the target machine
 112 # after the Rules makefile has been parsed.
 113 types-basic = $(type-ldouble-$(long-double-fcts)) double float
 114
 115 # Like types, but includes types whose functions alias those for
 116 # another type.
 117 test-types-basic = ldouble double float
 118
 119 # long double support
 120 type-ldouble-suffix := l
 121 type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall
 122 type-ldouble-yes := ldouble
 123
 124 # double support
 125 type-double-suffix :=
 126 type-double-routines := branred doasin dosincos halfulp mpa mpatan2     \
 127                        mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \
 128                        slowpow sincostab k_rem_pio2
 129
 130 # float support
 131 type-float-suffix := f
 132 type-float-routines := k_rem_pio2f math_errf e_exp2f_data e_logf_data   \
 133                        e_log2f_data e_powf_log2_data
 134
 135 # _Float128 support
 136 type-float128-suffix := f128
 137 type-float128-routines := t_sincosf128 k_sincosf128
 138 type-float128-yes := float128
 139
 140 # _Float64x may be supported, only as an alias type.
 141 type-float64x-yes := float64x
 142
 143 types = $(types-basic) $(type-float128-$(float128-fcts))
 144 test-types = $(test-types-basic) $(type-float128-$(float128-fcts)) \
 145              float32 float64 $(type-float128-$(float128-alias-fcts)) \
 146              float32x $(type-float64x-$(float64x-alias-fcts))
 147
 148 # For each of the basic types (float, double, long double), replace the
 149 # occurrences of 'F' in arg 1 with the appropriate suffix for the type.
 150 type-basic-foreach = $(foreach t, $(types-basic), \
 151                        $(subst F,$(type-$(t)-suffix),$(1)))
 152
 153 # Apply suffix to each type in arg 1
 154 type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1)))
 155
 156 libm-routines = $(strip $(libm-support)                                 \
 157                         $(call type-basic-foreach,                      \
 158                                $(libm-compat-calls))                    \
 159                         $(call type-foreach, $(libm-calls))             \
 160                         $(foreach t, $(types), $(type-$(t)-routines)))  \
 161                         $(foreach f,$(libm-narrow-fns),                 \
 162                                     $(subst F,$(f),$(libm-narrow-types)))
 163
 164 # These functions are in libc instead of libm because __printf_fp
 165 # calls them, so any program using printf will need them linked in,
 166 # and we don't want to have to link every program with -lm.
 167 # In libm-calls (above), list m_foo in place of s_foo for any
 168 # routine that should be compiled separately for its libc and libm versions.
 169 calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \
 170         s_signbitF $(gen-calls)
 171 gen-calls = s_ldexpF
 172 generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
 173 routines = $(call type-foreach, $(calls))
 174
 175 ifeq ($(build-mathvec),yes)
 176 # We need to install libm.so and libm.a as linker scripts
 177 # for transparent use of vector math library.
 178 install-lib-ldscripts := libm.so libm.a
 179 install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
 180 $(inst_libdir)/libm.so: $(common-objpfx)format.lds \
 181                         $(libm) \
 182                         $(libmvec) \
 183                         $(+force)
 184         (echo '/* GNU ld script'; echo '*/';\
 185          cat $<; \
 186          echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \
 187               'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
 188         ) > $@.new
 189         mv -f $@.new $@
 190
 191 $(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \
 192                                   $(+force)
 193         $(do-install)
 194
 195 $(inst_libdir)/libm.a: $(common-objpfx)format.lds \
 196                        $(inst_libdir)/libm-$(version).a \
 197                        $(objpfx)../mathvec/libmvec.a \
 198                        $(+force)
 199         (echo '/* GNU ld script'; echo '*/';\
 200          cat $<; \
 201          echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \
 202         ) > $@.new
 203         mv -f $@.new $@
 204 endif
 205
 206 # Rules for the test suite.
 207 tests = test-matherr-3 test-fenv basic-test \
 208         test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \
 209         test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \
 210         test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \
 211         test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \
 212         test-nearbyint-except test-fenv-clear test-signgam-finite \
 213         test-signgam-finite-c99 test-signgam-finite-c11 \
 214         test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \
 215         test-signgam-uint test-signgam-uint-init test-signgam-ullong \
 216         test-signgam-ullong-init test-nan-overflow test-nan-payload \
 217         test-fexcept test-fexcept-traps test-fesetexcept \
 218         test-fesetexcept-traps test-fetestexceptflag test-femode \
 219         test-femode-traps test-iszero-excess-precision \
 220         test-iseqsig-excess-precision test-flt-eval-method \
 221         test-fp-ilogb-constants test-fp-llogb-constants \
 222         test-fe-snans-always-signal test-finite-macros $(tests-static)
 223 tests-static = test-fpucw-static test-fpucw-ieee-static \
 224                test-signgam-uchar-static test-signgam-uchar-init-static \
 225                test-signgam-uint-static test-signgam-uint-init-static \
 226                test-signgam-ullong-static test-signgam-ullong-init-static
 227 tests-internal = test-matherr test-matherr-2
 228
 229 # These tests use internal (unexported) GMP functions and are linked
 230 # statically to obtain access to these functions.
 231 tests-static += atest-exp atest-sincos atest-exp2
 232
 233 ifneq (,$(CXX))
 234 tests += test-math-isinff test-math-iszero test-math-issignaling \
 235          test-math-iscanonical test-math-cxx11 test-math-iseqsig
 236 endif
 237
 238 ifneq (no,$(PERL))
 239 libm-vec-tests = $(addprefix test-,$(libmvec-tests))
 240 libm-test-support = $(foreach t,$(test-types),libm-test-support-$(t))
 241 test-extras += $(libm-test-support)
 242 extra-test-objs += $(addsuffix .o, $(libm-test-support))
 243 libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests))
 244 test-extras += $(libm-vec-test-wrappers)
 245 extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers))
 246
 247 ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps)))
 248
 249 $(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl
 250         $(make-target-directory)
 251         $(PERL) gen-libm-test.pl -u $< -H $@
 252
 253 libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs cacos \
 254                        cacosh carg casin casinh catan catanh cbrt ccos ccosh \
 255                        cexp clog clog10 cos cosh cpow csin csinh csqrt ctan \
 256                        ctanh erf erfc exp exp10 exp2 expm1 fma hypot j0 j1 jn \
 257                        lgamma log log10 log1p log2 pow sin sincos sinh sqrt \
 258                        tan tanh tgamma y0 y1 yn
 259 libm-test-funcs-noauto = canonicalize ceil cimag conj copysign cproj creal \
 260                          fabs fdim floor fmax fmaxmag fmin fminmag fmod \
 261                          fpclassify frexp fromfp fromfpx getpayload ilogb \
 262                          iscanonical iseqsig isfinite isgreater \
 263                          isgreaterequal isinf isless islessequal \
 264                          islessgreater isnan isnormal issignaling issubnormal \
 265                          isunordered iszero llogb llrint llround logb lrint \
 266                          lround modf nearbyint nextafter nextdown nexttoward \
 267                          nextup remainder remquo rint round roundeven scalb \
 268                          scalbln scalbn setpayload setpayloadsig signbit \
 269                          significand totalorder totalordermag trunc ufromfp \
 270                          ufromfpx
 271 libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto)
 272 libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c)
 273 libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c)
 274 generated += libm-test-ulps.h $(libm-test-c-auto) $(libm-test-c-noauto)
 275
 276 libm-tests-base-normal = $(foreach t,$(test-types),test-$(t))
 277 libm-tests-base-finite = $(foreach t,$(test-types),test-$(t)-finite)
 278 libm-tests-base-inline = $(foreach t,$(test-types),test-i$(t))
 279 libm-tests-base = $(libm-tests-base-normal) $(libm-tests-base-finite) \
 280                   $(libm-tests-base-inline) $(libm-vec-tests)
 281 libm-tests-normal = $(foreach t,$(libm-tests-base-normal),\
 282                                 $(foreach f,$(libm-test-funcs-all),\
 283                                             $(t)-$(f)))
 284 libm-tests-finite = $(foreach t,$(libm-tests-base-finite),\
 285                                 $(foreach f,$(libm-test-funcs-all),\
 286                                             $(t)-$(f)))
 287 libm-tests-inline = $(foreach t,$(libm-tests-base-inline),\
 288                                 $(foreach f,$(libm-test-funcs-all),\
 289                                             $(t)-$(f)))
 290 libm-tests-vector = $(foreach t,$(libmvec-tests),\
 291                                 $(foreach f,$($(t)-funcs),test-$(t)-$(f)))
 292 libm-tests = $(libm-tests-normal) $(libm-tests-finite) $(libm-tests-inline) \
 293              $(libm-tests-vector)
 294 libm-tests-for-type = $(foreach f,$(libm-test-funcs-all),\
 295                                   test-$(1)-$(f) test-$(1)-finite-$(f) \
 296                                   test-i$(1)-$(f)) \
 297                       $(filter test-$(1)-%,$(libm-tests-vector))
 298
 299 libm-tests.o = $(addsuffix .o,$(libm-tests))
 300
 301 tests += $(libm-tests)
 302 generated += $(addsuffix .c,$(libm-tests)) \
 303              $(foreach t,$(test-types),libm-test-support-$(t).c)
 304
 305 libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto))
 306 libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto))
 307
 308 $(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
 309                                                   gen-libm-test.pl
 310         $(make-target-directory)
 311         $(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@
 312
 313 $(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \
 314                                                 gen-libm-test.pl \
 315                                                 auto-libm-test-out%
 316         $(make-target-directory)
 317         $(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@
 318 endif
 319
 320 ifdef PYTHON
 321 tests += test-tgmath3
 322 generated += test-tgmath3.c
 323 CFLAGS-test-tgmath3.c += -fno-builtin
 324
 325 $(objpfx)test-tgmath3.c: gen-tgmath-tests.py
 326         $(PYTHON) $< > $@
 327 endif
 328
 329 libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
 330 libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
 331                        -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
 332
 333 CFLAGS-test-double-vlen4-wrappers.c += $(double-vlen4-arch-ext-cflags)
 334
 335 CFLAGS-test-double-vlen8-wrappers.c += $(double-vlen8-arch-ext-cflags)
 336
 337 CFLAGS-test-float-vlen8-wrappers.c += $(float-vlen8-arch-ext-cflags)
 338
 339 CFLAGS-test-float-vlen16-wrappers.c += $(float-vlen16-arch-ext-cflags)
 340
 341 # The no-inline tests use -fsignaling-nans, and thereby use the
 342 # versions of classification macros that support sNaNs.  The inline
 343 # function tests use the versions of classification macros that may
 344 # raise spurious exceptions for sNaNs, but also do not test for
 345 # exceptions.  Thus both versions of the classification macros are
 346 # validated.
 347 libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \
 348                              -fsignaling-nans
 349 libm-test-finite-cflags = $(libm-test-no-inline-cflags) \
 350                           -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1
 351 libm-test-inline-cflags = $(libm-test-fast-math-cflags)
 352 CFLAGS-test-tgmath.c += -fno-builtin
 353 # The following testcase uses very long lines (>3 million), so it may take a
 354 # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and
 355 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402
 356 CFLAGS-test-tgmath2.c += -fno-builtin
 357 CFLAGS-test-tgmath-ret.c += -fno-builtin
 358 CFLAGS-test-powl.c += -fno-builtin
 359
 360 CFLAGS-test-snan.c += -fsignaling-nans
 361
 362 CFLAGS-test-signgam-finite.c += -ffinite-math-only
 363 CFLAGS-test-signgam-finite-c99.c += -ffinite-math-only -std=c99
 364 CFLAGS-test-signgam-finite-c11.c += -ffinite-math-only -std=c11
 365 CFLAGS-test-signgam-uchar.c += -std=c99
 366 CFLAGS-test-signgam-uchar-init.c += -std=c99
 367 CFLAGS-test-signgam-uchar-static.c += -std=c99
 368 CFLAGS-test-signgam-uchar-init-static.c += -std=c99
 369 CFLAGS-test-signgam-uint.c += -std=c99
 370 CFLAGS-test-signgam-uint-init.c += -std=c99
 371 CFLAGS-test-signgam-uint-static.c += -std=c99
 372 CFLAGS-test-signgam-uint-init-static.c += -std=c99
 373 CFLAGS-test-signgam-ullong.c += -std=c99
 374 CFLAGS-test-signgam-ullong-init.c += -std=c99
 375 CFLAGS-test-signgam-ullong-static.c += -std=c99
 376 CFLAGS-test-signgam-ullong-init-static.c += -std=c99
 377
 378 CFLAGS-test-math-cxx11.cc += -std=c++11
 379
 380 CFLAGS-test-math-isinff.cc += -std=gnu++11
 381 CFLAGS-test-math-iszero.cc += -std=gnu++11
 382 CFLAGS-test-math-issignaling.cc += -std=gnu++11
 383 CFLAGS-test-math-iscanonical.cc += -std=gnu++11
 384
 385 CFLAGS-test-iszero-excess-precision.c += -fexcess-precision=standard
 386 CFLAGS-test-iseqsig-excess-precision.c += -fexcess-precision=standard
 387 CFLAGS-test-flt-eval-method.c += -fexcess-precision=standard
 388
 389 CFLAGS-test-fe-snans-always-signal.c += -fsignaling-nans
 390
 391 CFLAGS-test-finite-macros.c += -ffinite-math-only
 392
 393 include ../Rules
 394
 395 gen-all-calls = $(gen-libm-calls) $(gen-calls)
 396
 397 generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \
 398              gen-libm-templates.stmp
 399
 400 # Create wrappers in the math build directory.
 401 $(objpfx)gen-libm-templates.stmp: Makefile
 402         $(make-target-directory)
 403         for gcall in $(gen-all-calls); do                                 \
 404           func=$${gcall%F*}$${gcall#*F};                                  \
 405           for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \
 406             suff=$${type#*__};                                            \
 407             type=$${type%__*};                                            \
 408             file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c;             \
 409             (                                                             \
 410               echo "#include <math-type-macros-$${type}.h>";              \
 411               echo "#include <$${func}_template.c>";                      \
 412             ) > $${file};                                                 \
 413           done;                                                           \
 414         done;                                                             \
 415         echo > $(@)
 416
 417 # Add dependency to ensure the generator runs prior.
 418 $(foreach t, $(call type-foreach, $(gen-all-calls)), \
 419              $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp
 420
 421 ifneq (no,$(PERL))
 422 # This must come after the inclusion of sysdeps Makefiles via Rules.
 423
 424 $(foreach t,$(libm-tests-normal),$(objpfx)$(t).c): $(objpfx)test-%.c:
 425         type_func=$*; \
 426         type=$${type_func%%-*}; \
 427         func=$${type_func#*-}; \
 428         ( \
 429           echo "#include <test-$$type.h>"; \
 430           echo "#include <test-math-no-finite.h>"; \
 431           echo "#include <test-math-no-inline.h>"; \
 432           echo "#include <test-math-errno.h>"; \
 433           echo "#include <test-math-scalar.h>"; \
 434           echo "#include <libm-test-$$func.c>"; \
 435         ) > $@
 436
 437 $(foreach t,$(libm-tests-finite),$(objpfx)$(t).c): $(objpfx)test-%.c:
 438         type_func=$*; \
 439         type=$${type_func%%-*}; \
 440         func=$${type_func#*-finite-}; \
 441         ( \
 442           echo "#include <test-$$type.h>"; \
 443           echo "#include <test-math-finite.h>"; \
 444           echo "#include <test-math-no-inline.h>"; \
 445           echo "#include <test-math-scalar.h>"; \
 446           echo "#include <libm-test-$$func.c>"; \
 447         ) > $@
 448
 449 $(foreach t,$(libm-tests-inline),$(objpfx)$(t).c): $(objpfx)test-i%.c:
 450         type_func=$*; \
 451         type=$${type_func%%-*}; \
 452         func=$${type_func#*-}; \
 453         ( \
 454           echo "#include <test-$$type.h>"; \
 455           echo "#include <test-math-inline.h>"; \
 456           echo "#include <test-math-scalar.h>"; \
 457           echo "#include <libm-test-$$func.c>"; \
 458         ) > $@
 459
 460 $(foreach t,$(libm-tests-vector),$(objpfx)$(t).c): $(objpfx)test-%.c:
 461         type_func=$*; \
 462         type=$${type_func%-*}; \
 463         func=$${type_func##*-}; \
 464         func_args=$$(grep ALL_RM_TEST libm-test-$$func.inc \
 465                      | sed 's/.*RUN_TEST_LOOP_//;s/_.*//'); \
 466         ( \
 467           echo "#include <test-$$type.h>"; \
 468           echo "WRAPPER_DECL_$$func_args (WRAPPER_NAME (FUNC ($$func)))"; \
 469           echo "#include <libm-test-$$func.c>"; \
 470         ) > $@
 471
 472 $(foreach t,$(test-types),\
 473             $(objpfx)libm-test-support-$(t).c): $(objpfx)libm-test-support-%.c:
 474         ( \
 475           echo "#include <test-$*.h>"; \
 476           echo "#include <libm-test-support.c>"; \
 477         ) > $@
 478
 479 $(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test-ulps.h
 480
 481 define o-iterator-doit
 482 $(foreach f,$(libm-test-funcs-all),\
 483             $(objpfx)$(o)-$(f).o): $(objpfx)$(o)%.o: $(objpfx)libm-test%.c
 484 endef
 485 object-suffixes-left := $(libm-tests-base)
 486 include $(o-iterator)
 487
 488 define o-iterator-doit
 489 $(foreach f,$(libm-test-funcs-all),\
 490             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-no-inline-cflags)
 491 endef
 492 object-suffixes-left := $(libm-tests-base-normal)
 493 include $(o-iterator)
 494
 495 define o-iterator-doit
 496 $(foreach f,$(libm-test-funcs-all),\
 497             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-finite-cflags)
 498 endef
 499 object-suffixes-left := $(libm-tests-base-finite)
 500 include $(o-iterator)
 501
 502 define o-iterator-doit
 503 $(foreach f,$(libm-test-funcs-all),\
 504             $(objpfx)$(o)-$(f).o): CFLAGS += $(libm-test-inline-cflags)
 505 endef
 506 object-suffixes-left := $(libm-tests-base-inline)
 507 include $(o-iterator)
 508
 509 define o-iterator-doit
 510 $(foreach f,$($(o)-funcs),\
 511             $(objpfx)test-$(o)-$(f).o): CFLAGS += $(libm-test-vec-cflags)
 512 endef
 513 object-suffixes-left := $(libmvec-tests)
 514 include $(o-iterator)
 515
 516 define o-iterator-doit
 517 $(addprefix $(objpfx),\
 518             $(call libm-tests-for-type,$(o))): $(objpfx)libm-test-support-$(o).o
 519 endef
 520 object-suffixes-left := $(test-types)
 521 include $(o-iterator)
 522
 523 define o-iterator-doit
 524 $(objpfx)libm-test-support-$(o).o: CFLAGS += $(libm-test-no-inline-cflags)
 525 endef
 526 object-suffixes-left := $(test-types)
 527 include $(o-iterator)
 528
 529 # Run the math programs to automatically generate ULPs files.
 530 .PHONY: regen-ulps
 531
 532 run-regen-ulps = $(test-wrapper-env) \
 533             $(run-program-env) \
 534             $($*-ENV) $(rtld-prefix) $(objpfx)$${run}
 535
 536 regen-ulps: $(addprefix $(objpfx),$(libm-tests))
 537         rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \
 538         cp $(ulps-file) $(objpfx)libm-test-ulps; \
 539         for run in $(libm-tests); do \
 540           echo "Regenerating ULPs for $${run}"; \
 541           $(run-regen-ulps) -u -o $(objpfx); \
 542           cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \
 543           rm $(objpfx)ULPs; \
 544         done; \
 545         $(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \
 546                                  -u $(objpfx)libm-test-ulps; \
 547         echo "Automatic regeneration of ULPs complete."; \
 548         echo "Difference between the current baseline and the new baseline is:";\
 549         diff -urN $(ulps-file) $(objpfx)NewUlps; \
 550         echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)."
 551 else
 552 regen-ulps:
 553         @echo "Automatic regeneration of ULPs requires perl."; \
 554         exit 1;
 555 endif
 556
 557 # The generated sysd-rules file defines rules like this for sources
 558 # coming from sysdeps/ directories.  These rules find the generic sources.
 559 define o-iterator-doit
 560 $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c)
 561 endef
 562 object-suffixes-left := $(all-object-suffixes)
 563 include $(o-iterator)
 564
 565 # Likewise, for those generated files shared with libc.
 566 define o-iterator-doit
 567 $(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c)
 568 endef
 569 object-suffixes-left := $(all-object-suffixes)
 570 include $(o-iterator)
 571
 572 # We don't want the fdlibm code to use the inline math functions,
 573 # only the fdlibm code.
 574 math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES
 575
 576 ifneq ($(long-double-fcts),yes)
 577 # The `double' and `long double' types are the same on this machine.
 578 # We won't compile the `long double' code at all.  Tell the `double' code
 579 # to define aliases for the `FUNCl' names.
 580 math-CPPFLAGS += -DNO_LONG_DOUBLE
 581 endif
 582
 583 # These files quiet sNaNs in a way that is optimized away without
 584 # -fsignaling-nans.
 585 CFLAGS-s_modf.c += -fsignaling-nans
 586 CFLAGS-s_modff.c += -fsignaling-nans
 587 CFLAGS-s_modfl.c += -fsignaling-nans
 588 CFLAGS-s_modff128.c += -fsignaling-nans
 589
 590 $(addprefix $(objpfx),\
 591             $(filter-out $(tests-static) $(libm-tests-vector),\
 592                          $(tests) $(tests-internal))): $(libm)
 593 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
 594 define o-iterator-doit
 595 $(foreach f,$($(o)-funcs),\
 596             $(objpfx)test-$(o)-$(f)): $(objpfx)test-$(o)-wrappers.o \
 597                                       $(libm) $(libmvec)
 598 endef
 599 object-suffixes-left := $(libmvec-tests)
 600 include $(o-iterator)
 601
 602 $(objpfx)test-fenv-tls: $(shared-thread-library)