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809dc95d14
My recent nan-sign tests fail to build for powerpc64le with GCC 8 because of the special compile / link options needed there for any test using _Float128. This patch arranges for these tests to be handled on powerpc64le similarly to other such tests. Tested with build-many-glibcs.py for powerpc64le. [BZ #23303] * sysdeps/powerpc/powerpc64/le/Makefile (CFLAGS-tst-strtod-nan-sign.c): Add -mfloat128. (CFLAGS-tst-wcstod-nan-sign.c): Likewise. (gnulib-tests): Also add $(f128-loader-link) for tst-strtod-nan-sign abd tst-wcstod-nan-sign.
85 lines
3.9 KiB
Makefile
85 lines
3.9 KiB
Makefile
# When building float128 we need to ensure -mfloat128 is
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# passed to all such object files.
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# libgcc requires __tcb_parse_hwcap_and_convert_at_platform when built with
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# a binary128 type. That symbol is provided by the loader on dynamically
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# linked executables, forcing to link the loader after libgcc link.
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f128-loader-link = $(as-needed) $(elf-objpfx)ld.so $(no-as-needed)
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ifeq ($(subdir),math)
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# sqrtf128 requires emulation before POWER9.
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CPPFLAGS += -I../soft-fp
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# float128 requires adding a handful of extra flags.
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$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),$(objpfx)test-float64x%$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat64x%$(suf)): CFLAGS += -mfloat128
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# Pairs of types with _Float128 / _Float64x as the wider type but not
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# the narrower one.
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f128-pairs = float32-float64x float32-float128 float64-float64x \
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float64-float128 float32x-float64x float32x-float128
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$(foreach suf,$(all-object-suffixes),$(foreach pair,$(f128-pairs),$(objpfx)test-$(pair)%$(suf))): CFLAGS += -mfloat128
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CFLAGS-libm-test-support-float128.c += -mfloat128
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CFLAGS-libm-test-support-float64x.c += -mfloat128
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CFLAGS-test-math-iscanonical.cc += -mfloat128
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CFLAGS-test-math-iseqsig.cc += -mfloat128
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CFLAGS-test-math-issignaling.cc += -mfloat128
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CFLAGS-test-math-iszero.cc += -mfloat128
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$(foreach test, \
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test-float128% test-ifloat128% test-float64x% test-ifloat64x% \
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$(foreach pair,$(f128-pairs),test-$(pair)%) \
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test-math-iscanonical test-math-iseqsig test-math-issignaling \
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test-math-iszero, \
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$(objpfx)$(test)): \
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gnulib-tests += $(f128-loader-link)
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endif
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# Append flags to string <-> _Float128 routines.
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ifneq ($(filter $(subdir),wcsmbs stdlib),)
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$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += -mfloat128
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$(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += -mfloat128
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CFLAGS-bug-strtod.c += -mfloat128
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CFLAGS-bug-strtod2.c += -mfloat128
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CFLAGS-tst-strtod-round.c += -mfloat128
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CFLAGS-tst-wcstod-round.c += -mfloat128
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CFLAGS-tst-strtod-nan-locale.c += -mfloat128
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CFLAGS-tst-wcstod-nan-locale.c += -mfloat128
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CFLAGS-tst-strtod6.c += -mfloat128
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CFLAGS-tst-strfrom.c += -mfloat128
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CFLAGS-tst-strfrom-locale.c += -mfloat128
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CFLAGS-strfrom-skeleton.c += -mfloat128
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CFLAGS-tst-strtod-nan-sign.c += -mfloat128
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CFLAGS-tst-wcstod-nan-sign.c += -mfloat128
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$(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \
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tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \
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tst-strtod-nan-locale tst-wcstod-nan-locale \
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strfrom-skeleton tst-strtod-nan-sign tst-wcstod-nan-sign, \
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$(objpfx)$(test)): gnulib-tests += $(f128-loader-link)
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# When building glibc with support for _Float128, the powers of ten tables in
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# fpioconst.c and in the string conversion functions must be extended. Some
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# Makefiles (e.g.: wcsmbs/Makefile) override CFLAGS defined by the Makefiles in
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# sysdeps. This is avoided with the use sysdep-CFLAGS instead of CFLAGS.
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sysdep-CFLAGS += $(sysdep-CFLAGS-$(<F))
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sysdep-CFLAGS-fpioconst.c += -mfloat128
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sysdep-CFLAGS-strtod_l.c += -mfloat128
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sysdep-CFLAGS-strtof_l.c += -mfloat128
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sysdep-CFLAGS-strtold_l.c += -mfloat128
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sysdep-CFLAGS-wcstod_l.c += -mfloat128
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sysdep-CFLAGS-wcstof_l.c += -mfloat128
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sysdep-CFLAGS-wcstold_l.c += -mfloat128
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endif
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# Append flags to printf routines.
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ifeq ($(subdir),stdio-common)
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CFLAGS-printf_fp.c = -mfloat128
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CFLAGS-printf_fphex.c = -mfloat128
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CFLAGS-printf_size.c = -mfloat128
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endif
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