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bfff8b1b | 1 | # Copyright (C) 1996-2017 Free Software Foundation, Inc. |
28f540f4 RM |
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 | |
41bdb6e2 AJ |
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. | |
28f540f4 RM |
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 | |
41bdb6e2 | 12 | # Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | # You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | # License along with the GNU C Library; if not, see |
16 | # <http://www.gnu.org/licenses/>. | |
0c5ecdc4 UD |
17 | |
18 | # Makefile for the math library. | |
28f540f4 | 19 | |
f7eac6eb RM |
20 | subdir := math |
21 | ||
a5f891ac JM |
22 | include ../Makeconfig |
23 | ||
f7eac6eb | 24 | # Installed header files. |
5107cf1d | 25 | headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \ |
a86573f4 RH |
26 | bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \ |
27 | fpu_control.h complex.h bits/cmathcalls.h fenv.h \ | |
0ac5ae23 | 28 | bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \ |
202d48da | 29 | bits/math-finite.h bits/math-vector.h \ |
93eb85ce | 30 | bits/libm-simd-decl-stubs.h bits/iscanonical.h \ |
0acb8a2a JM |
31 | bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \ |
32 | bits/long-double.h | |
f7eac6eb | 33 | |
5fbef188 | 34 | # FPU support code. |
c94a8080 | 35 | aux := setfpucw fpu_control |
28f540f4 | 36 | |
f7eac6eb | 37 | # Build the -lm library. |
28f540f4 | 38 | |
f7eac6eb | 39 | extra-libs := libm |
ec4b0518 | 40 | extra-libs-others = $(extra-libs) |
58e07151 | 41 | |
f56f9124 | 42 | libm-support = s_lib_version s_matherr s_signgam \ |
63551311 UD |
43 | fclrexcpt fgetexcptflg fraiseexcpt fsetexcptflg \ |
44 | ftestexcept fegetround fesetround fegetenv feholdexcpt \ | |
05ef7ce9 | 45 | fesetenv feupdateenv t_exp fedisblxcpt feenablxcpt \ |
ec94343f JM |
46 | fegetexcept fesetexcept fetestexceptflag fegetmode \ |
47 | fesetmode | |
b9e05ed0 | 48 | |
ce6698ea PM |
49 | # Wrappers for these functions generated per type using a file named |
50 | # <func>_template.c and the appropriate math-type-macros-<TYPE>.h. | |
c50eee19 PM |
51 | gen-libm-calls = cargF conjF cimagF crealF cabsF s_cacosF \ |
52 | s_cacoshF s_ccosF s_ccoshF s_casinF s_csinF s_casinhF \ | |
d5602ceb | 53 | k_casinhF s_csinhF k_casinhF s_csinhF s_catanhF s_catanF \ |
feb62dda | 54 | s_ctanF s_ctanhF s_cexpF s_clogF s_cprojF s_csqrtF \ |
2c46d114 | 55 | s_cpowF s_clog10F s_fdimF s_nextdownF s_fmaxF s_fminF \ |
14348aae | 56 | s_nanF s_iseqsigF s_canonicalizeF w_ilogbF w_llogbF \ |
525f8039 | 57 | w_log1pF w_scalblnF s_fmaxmagF s_fminmagF |
ce6698ea | 58 | |
b9e05ed0 PM |
59 | libm-calls = \ |
60 | e_acosF e_acoshF e_asinF e_atan2F e_atanhF e_coshF e_expF e_fmodF \ | |
61 | e_hypotF e_j0F e_j1F e_jnF e_lgammaF_r e_logF e_log10F e_powF \ | |
62 | e_rem_pio2F e_remainderF e_scalbF e_sinhF e_sqrtF e_gammaF_r \ | |
63 | e_ilogbF \ | |
2bad840e | 64 | k_cosF k_sinF k_tanF s_asinhF s_atanF s_cbrtF \ |
b9e05ed0 | 65 | s_ceilF s_cosF s_erfF s_expm1F s_fabsF \ |
14348aae | 66 | s_floorF s_log1pF s_logbF \ |
e4d6a835 | 67 | s_nextafterF s_nexttowardF s_rintF s_scalblnF \ |
f67d7819 GG |
68 | s_significandF s_sinF s_tanF s_tanhF \ |
69 | w_expF \ | |
2c46d114 | 70 | s_fpclassifyF s_truncF \ |
b9e05ed0 | 71 | s_remquoF e_log2F e_exp2F s_roundF s_nearbyintF s_sincosF \ |
f67d7819 | 72 | s_fmaF s_lrintF s_llrintF s_lroundF s_llroundF e_exp10F \ |
c50eee19 | 73 | s_issignalingF $(calls:s_%=m_%) x2y2m1F \ |
b9e05ed0 | 74 | gamma_productF lgamma_negF lgamma_productF \ |
f8e8b8ed | 75 | s_nextupF s_totalorderF s_totalordermagF s_getpayloadF \ |
423c2b9d JM |
76 | s_setpayloadF s_setpayloadsigF s_roundevenF s_fromfpF s_ufromfpF \ |
77 | s_fromfpxF s_ufromfpxF $(gen-libm-calls) | |
b9e05ed0 | 78 | |
f67d7819 GG |
79 | libm-compat-calls-auto = \ |
80 | w_acosF_compat w_acoshF_compat w_asinF_compat w_atan2F_compat \ | |
81 | w_atanhF_compat w_coshF_compat w_exp2F_compat w_exp10F_compat \ | |
82 | w_fmodF_compat w_hypotF_compat w_j0F_compat w_j1F_compat \ | |
83 | w_jnF_compat w_log2F_compat w_log10F_compat w_logF_compat \ | |
84 | w_powF_compat w_remainderF_compat w_scalbF_compat \ | |
ea814db2 | 85 | w_sinhF_compat w_sqrtF_compat w_tgammaF_compat \ |
163f65e2 | 86 | w_lgammaF_r_compat w_lgammaF_compat2 |
f67d7819 | 87 | |
b9e05ed0 PM |
88 | libm-compat-calls-ldouble-yes = w_lgamma_compatl k_standardl |
89 | libm-compat-calls = w_lgamma_compatf w_lgamma_compat k_standard k_standardf \ | |
90 | $(libm-compat-calls-ldouble-$(long-double-fcts)) | |
91 | ||
92 | ||
93 | # Type specific routine support. | |
94 | # | |
95 | # The following three variables control what is included for each type: | |
96 | # | |
97 | # type-floatN-suffix = The suffix of the type | |
98 | # type-floatN-routines = Type specific support objects | |
99 | # type-floatN-yes = If the type is supported, evaluates to floatN | |
100 | # | |
101 | # Finally, note that types is an intentionally recursive variable. | |
102 | # We only know the full set of supported types for the target machine | |
103 | # after the Rules makefile has been parsed. | |
104 | types = $(type-ldouble-$(long-double-fcts)) double float | |
105 | ||
106 | # long double support | |
107 | type-ldouble-suffix := l | |
29cb9293 | 108 | type-ldouble-routines := t_sincosl k_sincosl s_iscanonicall |
b9e05ed0 PM |
109 | type-ldouble-yes := ldouble |
110 | ||
111 | # double support | |
112 | type-double-suffix := | |
113 | type-double-routines := branred doasin dosincos halfulp mpa mpatan2 \ | |
114 | mpatan mpexp mplog mpsqrt mptan sincos32 slowexp \ | |
2bad840e | 115 | slowpow sincostab k_rem_pio2 |
b9e05ed0 PM |
116 | |
117 | # float support | |
118 | type-float-suffix := f | |
2bad840e | 119 | type-float-routines := k_rem_pio2f |
b9e05ed0 PM |
120 | |
121 | ||
122 | # Apply suffix to each type in arg 1 | |
123 | type-foreach = $(foreach t,$(types),$(subst F,$(type-$(t)-suffix),$(1))) | |
124 | ||
125 | libm-routines = $(strip $(libm-support) $(libm-compat-calls) \ | |
f67d7819 | 126 | $(call type-foreach, $(libm-compat-calls-auto)) \ |
b9e05ed0 PM |
127 | $(call type-foreach, $(libm-calls)) \ |
128 | $(foreach t, $(types), $(type-$(t)-routines))) \ | |
58e07151 | 129 | |
f7eac6eb RM |
130 | # These functions are in libc instead of libm because __printf_fp |
131 | # calls them, so any program using printf will need them linked in, | |
132 | # and we don't want to have to link every program with -lm. | |
92712dee RM |
133 | # In libm-calls (above), list m_foo in place of s_foo for any |
134 | # routine that should be compiled separately for its libc and libm versions. | |
b9e05ed0 | 135 | calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \ |
9f9834f5 PM |
136 | s_signbitF $(gen-calls) |
137 | gen-calls = s_ldexpF | |
b9e05ed0 PM |
138 | generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s)))) |
139 | routines = $(call type-foreach, $(calls)) | |
8847214f | 140 | |
5695d46f | 141 | ifeq ($(build-mathvec),yes) |
cbd8f930 AS |
142 | # We need to install libm.so and libm.a as linker scripts |
143 | # for transparent use of vector math library. | |
144 | install-lib-ldscripts := libm.so libm.a | |
145 | install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a | |
5695d46f AS |
146 | $(inst_libdir)/libm.so: $(common-objpfx)format.lds \ |
147 | $(libm) \ | |
148 | $(libmvec) \ | |
149 | $(+force) | |
150 | (echo '/* GNU ld script'; echo '*/';\ | |
151 | cat $<; \ | |
152 | echo 'GROUP ( $(slibdir)/libm.so$(libm.so-version) ' \ | |
b3f60407 | 153 | 'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \ |
f9378ac3 DAS |
154 | ) > $@.new |
155 | mv -f $@.new $@ | |
cbd8f930 | 156 | |
ffb8455c AS |
157 | $(inst_libdir)/libm-$(version).a: $(objpfx)libm.a \ |
158 | $(+force) | |
159 | $(do-install) | |
160 | ||
cbd8f930 | 161 | $(inst_libdir)/libm.a: $(common-objpfx)format.lds \ |
ffb8455c AS |
162 | $(inst_libdir)/libm-$(version).a \ |
163 | $(objpfx)../mathvec/libmvec.a \ | |
cbd8f930 AS |
164 | $(+force) |
165 | (echo '/* GNU ld script'; echo '*/';\ | |
166 | cat $<; \ | |
ffb8455c | 167 | echo 'GROUP ( $(libdir)/libm-$(version).a $(libdir)/libmvec.a )' \ |
cbd8f930 | 168 | ) > $@.new |
cbd8f930 | 169 | mv -f $@.new $@ |
5695d46f AS |
170 | endif |
171 | ||
c57abfa7 | 172 | # Rules for the test suite. |
9861985f | 173 | tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ |
95e7cf29 MR |
174 | test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ |
175 | test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ | |
176 | test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ | |
85b29045 | 177 | test-fenv-tls test-fenv-preserve test-fenv-return test-fenvinline \ |
939fdd1c | 178 | test-nearbyint-except test-fenv-clear test-signgam-finite \ |
71d1b016 | 179 | test-signgam-finite-c99 test-signgam-finite-c11 \ |
d709042a JM |
180 | test-nearbyint-except-2 test-signgam-uchar test-signgam-uchar-init \ |
181 | test-signgam-uint test-signgam-uint-init test-signgam-ullong \ | |
8f5e8b01 | 182 | test-signgam-ullong-init test-nan-overflow test-nan-payload \ |
5146356f | 183 | test-fexcept test-fexcept-traps test-fesetexcept \ |
ec94343f | 184 | test-fesetexcept-traps test-fetestexceptflag test-femode \ |
d0800ae0 | 185 | test-femode-traps test-iszero-excess-precision \ |
c2a82dac | 186 | test-iseqsig-excess-precision test-flt-eval-method \ |
c0b43536 JM |
187 | test-fp-ilogb-constants test-fp-llogb-constants \ |
188 | test-fe-snans-always-signal $(tests-static) | |
d709042a JM |
189 | tests-static = test-fpucw-static test-fpucw-ieee-static \ |
190 | test-signgam-uchar-static test-signgam-uchar-init-static \ | |
191 | test-signgam-uint-static test-signgam-uint-init-static \ | |
192 | test-signgam-ullong-static test-signgam-ullong-init-static | |
c57abfa7 | 193 | |
0800411f | 194 | ifneq (,$(CXX)) |
b3918c44 | 195 | tests += test-math-isinff test-math-iszero |
0800411f RM |
196 | endif |
197 | ||
8847214f | 198 | ifneq (no,$(PERL)) |
24a2718f | 199 | libm-vec-tests = $(addprefix test-,$(libmvec-tests)) |
b9e05ed0 PM |
200 | |
201 | libm-tests = $(foreach t,$(types),test-$(t) test-$(t)-finite test-i$(t)) \ | |
202 | $(libm-vec-tests) | |
203 | ||
8847214f UD |
204 | libm-tests.o = $(addsuffix .o,$(libm-tests)) |
205 | ||
206 | tests += $(libm-tests) | |
b4bcb3ae AS |
207 | libm-vec-test-wrappers = $(addsuffix -wrappers, $(libm-vec-tests)) |
208 | test-extras += $(libm-vec-test-wrappers) | |
209 | extra-test-objs += $(addsuffix .o, $(libm-vec-test-wrappers)) | |
8847214f | 210 | |
e0a3ed4f | 211 | ulps-file = $(firstword $(wildcard $(sysdirs:%=%/libm-test-ulps))) |
882ed1be | 212 | |
5cd81881 JM |
213 | $(objpfx)libm-test-ulps.h: $(ulps-file) gen-libm-test.pl |
214 | $(make-target-directory) | |
215 | $(PERL) gen-libm-test.pl -u $< -H $@ | |
216 | ||
4f1bc131 JM |
217 | libm-test-funcs-auto = acos acosh asin asinh atan atan2 atanh cabs carg cbrt \ |
218 | ccos ccosh cexp clog clog10 cos cosh cpow csin csinh \ | |
219 | csqrt ctan ctanh erf erfc exp exp10 exp2 expm1 fma \ | |
220 | hypot j0 j1 jn lgamma log log10 log1p log2 pow sin \ | |
221 | sincos sinh sqrt tan tanh tgamma y0 y1 yn | |
5cbb5849 JM |
222 | libm-test-funcs-noauto = cacos cacosh canonicalize casin casinh catan catanh \ |
223 | ceil cimag conj copysign cproj creal fabs fdim floor \ | |
224 | fmax fmaxmag fmin fminmag fmod fpclassify frexp \ | |
225 | fromfp fromfpx getpayload ilogb iscanonical iseqsig \ | |
226 | isfinite isgreater isgreaterequal isinf isless \ | |
227 | islessequal islessgreater isnan isnormal issignaling \ | |
228 | issubnormal isunordered iszero llogb llrint llround \ | |
229 | logb lrint lround modf nearbyint nextafter nextdown \ | |
230 | nexttoward nextup remainder remquo rint round \ | |
231 | roundeven scalb scalbln scalbn setpayload \ | |
232 | setpayloadsig signbit significand totalorder \ | |
233 | totalordermag trunc ufromfp ufromfpx | |
234 | libm-test-funcs-all = $(libm-test-funcs-auto) $(libm-test-funcs-noauto) | |
235 | libm-test-c-auto = $(foreach f,$(libm-test-funcs-auto),libm-test-$(f).c) | |
236 | libm-test-c-noauto = $(foreach f,$(libm-test-funcs-noauto),libm-test-$(f).c) | |
237 | libm-tests-generated = libm-test-ulps.h libm-have-vector-test.h libm-test.c \ | |
238 | $(libm-test-c-auto) $(libm-test-c-noauto) | |
239 | generated += $(libm-tests-generated) | |
240 | ||
241 | libm-test-c-auto-obj = $(addprefix $(objpfx),$(libm-test-c-auto)) | |
242 | libm-test-c-noauto-obj = $(addprefix $(objpfx),$(libm-test-c-noauto)) | |
243 | ||
244 | $(objpfx)libm-test.c $(libm-test-c-noauto-obj): $(objpfx)libm-test%.c: \ | |
245 | libm-test%.inc gen-libm-test.pl | |
246 | $(make-target-directory) | |
247 | $(PERL) gen-libm-test.pl -c $< -a /dev/null -C $@ | |
4f1bc131 | 248 | |
5cbb5849 JM |
249 | $(libm-test-c-auto-obj): $(objpfx)libm-test%.c: libm-test%.inc \ |
250 | gen-libm-test.pl \ | |
251 | auto-libm-test-out% | |
5cd81881 | 252 | $(make-target-directory) |
5cbb5849 JM |
253 | $(PERL) gen-libm-test.pl -c $< -a auto-libm-test-out$* -C $@ |
254 | ||
255 | libm-test-incs = $(foreach f,$(libm-test-funcs-all),libm-test-$(f).inc) | |
8847214f | 256 | |
5cbb5849 | 257 | $(objpfx)libm-have-vector-test.h: $(libm-test-incs) gen-libm-have-vector-test.sh |
882ed1be | 258 | $(make-target-directory) |
5cbb5849 | 259 | $(SHELL) gen-libm-have-vector-test.sh $(sort $(libm-test-incs)) > $@ |
8847214f UD |
260 | endif |
261 | ||
24a2718f AS |
262 | libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH |
263 | libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \ | |
264 | -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas | |
265 | ||
266 | CFLAGS-test-double-vlen2.c = $(libm-test-vec-cflags) | |
24a2718f AS |
267 | |
268 | CFLAGS-test-double-vlen4.c = $(libm-test-vec-cflags) | |
269 | CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags) | |
270 | ||
271 | CFLAGS-test-double-vlen8.c = $(libm-test-vec-cflags) | |
272 | CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags) | |
273 | ||
2a523216 | 274 | CFLAGS-test-float-vlen4.c = $(libm-test-vec-cflags) |
2a523216 AS |
275 | |
276 | CFLAGS-test-float-vlen8.c = $(libm-test-vec-cflags) | |
277 | CFLAGS-test-float-vlen8-wrappers.c = $(float-vlen8-arch-ext-cflags) | |
278 | ||
279 | CFLAGS-test-float-vlen16.c = $(libm-test-vec-cflags) | |
280 | CFLAGS-test-float-vlen16-wrappers.c = $(float-vlen16-arch-ext-cflags) | |
281 | ||
26211284 JM |
282 | # The no-inline tests use -fsignaling-nans, and thereby use the |
283 | # versions of classification macros that support sNaNs. The inline | |
284 | # function tests use the versions of classification macros that may | |
285 | # raise spurious exceptions for sNaNs, but also do not test for | |
286 | # exceptions. Thus both versions of the classification macros are | |
287 | # validated. | |
288 | libm-test-no-inline-cflags = -fno-inline -ffloat-store -fno-builtin \ | |
289 | -fsignaling-nans | |
5a28590a JM |
290 | libm-test-finite-cflags = $(libm-test-no-inline-cflags) \ |
291 | -U__FINITE_MATH_ONLY__ -D__FINITE_MATH_ONLY__=1 | |
292 | CFLAGS-test-float.c = $(libm-test-no-inline-cflags) | |
293 | CFLAGS-test-float-finite.c = $(libm-test-finite-cflags) | |
294 | CFLAGS-test-double.c = $(libm-test-no-inline-cflags) | |
295 | CFLAGS-test-double-finite.c = $(libm-test-finite-cflags) | |
296 | CFLAGS-test-ldouble.c = $(libm-test-no-inline-cflags) | |
297 | CFLAGS-test-ldouble-finite.c = $(libm-test-finite-cflags) | |
4f2689f4 | 298 | CFLAGS-test-tgmath.c = -fno-builtin |
d077f65f MT |
299 | # The following testcase uses very long lines (>3 million), so it may take a |
300 | # while to compile it. See: http://llvm.org/bugs/show_bug.cgi?id=14106 and | |
301 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 | |
8790af5f | 302 | CFLAGS-test-tgmath2.c = -fno-builtin |
301a6724 | 303 | CFLAGS-test-tgmath-ret.c = -fno-builtin |
8db73634 | 304 | CFLAGS-test-powl.c = -fno-builtin |
8df4e219 WD |
305 | |
306 | CFLAGS-test-snan.c = -fsignaling-nans | |
24a2718f AS |
307 | CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES \ |
308 | $(libm-test-fast-math-cflags) | |
309 | CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES \ | |
310 | $(libm-test-fast-math-cflags) | |
b9e05ed0 | 311 | CPPFLAGS-test-ildouble.c = -U__LIBC_INTERNAL_MATH_INLINES \ |
24a2718f | 312 | $(libm-test-fast-math-cflags) |
c57abfa7 | 313 | |
939fdd1c JM |
314 | CFLAGS-test-signgam-finite.c = -ffinite-math-only |
315 | CFLAGS-test-signgam-finite-c99.c = -ffinite-math-only -std=c99 | |
316 | CFLAGS-test-signgam-finite-c11.c = -ffinite-math-only -std=c11 | |
d709042a JM |
317 | CFLAGS-test-signgam-uchar.c = -std=c99 |
318 | CFLAGS-test-signgam-uchar-init.c = -std=c99 | |
319 | CFLAGS-test-signgam-uchar-static.c = -std=c99 | |
320 | CFLAGS-test-signgam-uchar-init-static.c = -std=c99 | |
321 | CFLAGS-test-signgam-uint.c = -std=c99 | |
322 | CFLAGS-test-signgam-uint-init.c = -std=c99 | |
323 | CFLAGS-test-signgam-uint-static.c = -std=c99 | |
324 | CFLAGS-test-signgam-uint-init-static.c = -std=c99 | |
325 | CFLAGS-test-signgam-ullong.c = -std=c99 | |
326 | CFLAGS-test-signgam-ullong-init.c = -std=c99 | |
327 | CFLAGS-test-signgam-ullong-static.c = -std=c99 | |
328 | CFLAGS-test-signgam-ullong-init-static.c = -std=c99 | |
939fdd1c | 329 | |
3c47c83a | 330 | CFLAGS-test-math-isinff.cc = -std=gnu++11 |
b3918c44 | 331 | CFLAGS-test-math-iszero.cc = -std=gnu++11 |
3c47c83a | 332 | |
b59ad2db | 333 | CFLAGS-test-iszero-excess-precision.c = -fexcess-precision=standard |
d0800ae0 | 334 | CFLAGS-test-iseqsig-excess-precision.c = -fexcess-precision=standard |
b0216d3e | 335 | CFLAGS-test-flt-eval-method.c = -fexcess-precision=standard |
b59ad2db | 336 | |
c0b43536 JM |
337 | CFLAGS-test-fe-snans-always-signal.c = -fsignaling-nans |
338 | ||
26da047f RM |
339 | # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode |
340 | # for error handling in the -lm functions. | |
341 | install-lib += libieee.a | |
342 | non-lib.a += libieee.a | |
343 | extra-objs += libieee.a ieee-math.o | |
344 | ||
28f540f4 RM |
345 | include ../Rules |
346 | ||
9f9834f5 PM |
347 | gen-all-calls = $(gen-libm-calls) $(gen-calls) |
348 | ||
349 | generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \ | |
ce6698ea PM |
350 | gen-libm-templates.stmp |
351 | ||
352 | # Create wrappers in the math build directory. | |
9f9834f5 PM |
353 | $(objpfx)gen-libm-templates.stmp: Makefile |
354 | $(make-target-directory) | |
355 | for gcall in $(gen-all-calls); do \ | |
ce6698ea PM |
356 | func=$${gcall%F*}$${gcall#*F}; \ |
357 | for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \ | |
358 | suff=$${type#*__}; \ | |
359 | type=$${type%__*}; \ | |
360 | file=$(objpfx)$${gcall%F*}$${suff}$${gcall#*F}.c; \ | |
361 | ( \ | |
362 | echo "#include <math-type-macros-$${type}.h>"; \ | |
363 | echo "#include <$${func}_template.c>"; \ | |
364 | ) > $${file}; \ | |
365 | done; \ | |
366 | done; \ | |
367 | echo > $(@) | |
368 | ||
369 | # Add dependency to ensure the generator runs prior. | |
9f9834f5 | 370 | $(foreach t, $(call type-foreach, $(gen-all-calls)), \ |
ce6698ea PM |
371 | $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp |
372 | ||
26510bdd | 373 | ifneq (no,$(PERL)) |
b2faf4ea | 374 | # This must come after the inclusion of sysdeps Makefiles via Rules. |
5cd81881 JM |
375 | $(addprefix $(objpfx), $(libm-tests.o)): $(addprefix $(objpfx),\ |
376 | $(libm-tests-generated)) | |
b2faf4ea | 377 | |
26510bdd CD |
378 | # Run the math programs to automatically generate ULPs files. |
379 | .PHONY: regen-ulps | |
380 | ||
381 | run-regen-ulps = $(test-wrapper-env) \ | |
8540f6d2 | 382 | $(run-program-env) \ |
01dc6df9 | 383 | $($*-ENV) $(rtld-prefix) $${run} |
26510bdd CD |
384 | |
385 | regen-ulps: $(addprefix $(objpfx),$(libm-tests)) | |
386 | rm -f $(objpfx)ULPs; rm -f $(objpfx)NewUlps; \ | |
387 | cp $(ulps-file) $(objpfx)libm-test-ulps; \ | |
388 | for run in $^; do \ | |
389 | echo "Regenerating ULPs for $${run}"; \ | |
390 | $(run-regen-ulps) -u -o $(objpfx); \ | |
391 | cat $(objpfx)ULPs >> $(objpfx)libm-test-ulps; \ | |
392 | rm $(objpfx)ULPs; \ | |
393 | done; \ | |
7e1e68b4 JM |
394 | $(PERL) gen-libm-test.pl -n $(objpfx)NewUlps \ |
395 | -u $(objpfx)libm-test-ulps; \ | |
26510bdd CD |
396 | echo "Automatic regeneration of ULPs complete."; \ |
397 | echo "Difference between the current baseline and the new baseline is:";\ | |
398 | diff -urN $(ulps-file) $(objpfx)NewUlps; \ | |
399 | echo "Copy $(objpfx)NewUlps to $(ulps-file) (relative to source)." | |
400 | else | |
401 | regen-ulps: | |
402 | @echo "Automatic regeneration of ULPs requires perl."; \ | |
403 | exit 1; | |
404 | endif | |
f7eac6eb | 405 | |
2f663a98 RM |
406 | # The generated sysd-rules file defines rules like this for sources |
407 | # coming from sysdeps/ directories. These rules find the generic sources. | |
408 | define o-iterator-doit | |
409 | $(objpfx)m_%$o: s_%.c $(before-compile); $$(compile-command.c) | |
410 | endef | |
411 | object-suffixes-left := $(all-object-suffixes) | |
412 | include $(o-iterator) | |
413 | ||
9f9834f5 PM |
414 | # Likewise, for those generated files shared with libc. |
415 | define o-iterator-doit | |
416 | $(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c) | |
417 | endef | |
418 | object-suffixes-left := $(all-object-suffixes) | |
419 | include $(o-iterator) | |
2f663a98 | 420 | |
f7eac6eb RM |
421 | # This file defines the default _LIB_VERSION variable that controls |
422 | # the error return conventions for the math functions. | |
423 | CPPFLAGS-s_lib_version.c := -D_POSIX_MODE | |
424 | ||
a641835a RM |
425 | # We don't want the fdlibm code to use the inline math functions, |
426 | # only the fdlibm code. | |
4b9afc43 | 427 | math-CPPFLAGS += -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES |
a641835a | 428 | |
58e07151 RM |
429 | ifneq ($(long-double-fcts),yes) |
430 | # The `double' and `long double' types are the same on this machine. | |
431 | # We won't compile the `long double' code at all. Tell the `double' code | |
f5cb4a5c RM |
432 | # to define aliases for the `FUNCl' names. To avoid type conflicts in |
433 | # defining those aliases, tell <math.h> to declare the `FUNCl' names with | |
434 | # `double' instead of `long double'. | |
4b9afc43 | 435 | math-CPPFLAGS += -DNO_LONG_DOUBLE -D_Mlong_double_=double |
58e07151 RM |
436 | endif |
437 | ||
a6a4395d JM |
438 | # These files quiet sNaNs in a way that is optimized away without |
439 | # -fsignaling-nans. | |
440 | CFLAGS-s_modf.c += -fsignaling-nans | |
441 | CFLAGS-s_modff.c += -fsignaling-nans | |
442 | CFLAGS-s_modfl.c += -fsignaling-nans | |
443 | ||
26da047f RM |
444 | # The -lieee library is actually an object file. |
445 | # The module just defines the _LIB_VERSION_ variable. | |
446 | # It's not a library to make sure it is linked in instead of s_lib_version.o. | |
447 | $(objpfx)libieee.a: $(objpfx)ieee-math.o | |
448 | rm -f $@ | |
e7c5513d UD |
449 | $(patsubst %/,cd % &&,$(objpfx)) \ |
450 | $(LN_S) $(<F) $(@F) | |
3e5f5557 | 451 | |
b4bcb3ae AS |
452 | $(addprefix $(objpfx),\ |
453 | $(filter-out $(tests-static) $(libm-vec-tests),$(tests))): $(libm) | |
95e7cf29 | 454 | $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a |
b4bcb3ae AS |
455 | $(addprefix $(objpfx), $(libm-vec-tests)): $(objpfx)%: $(objpfx)%-wrappers.o \ |
456 | $(libm) $(libmvec) | |
9498096c | 457 | |
2119dcfa | 458 | gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\ |
6075607b | 459 | add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \ |
32fcb36d DM |
460 | lshift rshift mp_clz_tab udiv_qrnnd inlines \ |
461 | $(gmp-sysdep_routines)) | |
6075607b UD |
462 | $(objpfx)atest-exp: $(gmp-objs) |
463 | $(objpfx)atest-sincos: $(gmp-objs) | |
464 | $(objpfx)atest-exp2: $(gmp-objs) | |
79520f4b | 465 | $(objpfx)test-fenv-tls: $(shared-thread-library) |