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-rw-r--r--sysdeps/powerpc/powerpc64/le/Makefile81
1 files changed, 81 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/le/Makefile b/sysdeps/powerpc/powerpc64/le/Makefile
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+++ b/sysdeps/powerpc/powerpc64/le/Makefile
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+# When building float128 we need to ensure -mfloat128 is
+# passed to all such object files.
+
+# libgcc requires __tcb_parse_hwcap_and_convert_at_platform when built with
+# a binary128 type.  That symbol is provided by the loader on dynamically
+# linked executables, forcing to link the loader after libgcc link.
+f128-loader-link = $(as-needed) $(elf-objpfx)ld.so $(no-as-needed)
+
+ifeq ($(subdir),math)
+# sqrtf128 requires emulation before POWER9.
+CPPFLAGS += -I../soft-fp
+
+# float128 requires adding a handful of extra flags.
+$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),$(objpfx)test-float64x%$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat64x%$(suf)): CFLAGS += -mfloat128
+# Pairs of types with _Float128 / _Float64x as the wider type but not
+# the narrower one.
+f128-pairs = float32-float64x float32-float128 float64-float64x \
+	     float64-float128 float32x-float64x float32x-float128
+$(foreach suf,$(all-object-suffixes),$(foreach pair,$(f128-pairs),$(objpfx)test-$(pair)%$(suf))): CFLAGS += -mfloat128
+CFLAGS-libm-test-support-float128.c += -mfloat128
+CFLAGS-libm-test-support-float64x.c += -mfloat128
+CFLAGS-test-math-iscanonical.cc += -mfloat128
+CFLAGS-test-math-iseqsig.cc += -mfloat128
+CFLAGS-test-math-issignaling.cc += -mfloat128
+CFLAGS-test-math-iszero.cc += -mfloat128
+$(foreach test, \
+	  test-float128% test-ifloat128% test-float64x% test-ifloat64x% \
+	  $(foreach pair,$(f128-pairs),test-$(pair)%) \
+	  test-math-iscanonical test-math-iseqsig test-math-issignaling \
+	  test-math-iszero, \
+	  $(objpfx)$(test)): \
+  gnulib-tests += $(f128-loader-link)
+endif
+
+# Append flags to string <-> _Float128 routines.
+ifneq ($(filter $(subdir),wcsmbs stdlib),)
+$(foreach suf,$(all-object-suffixes),%f128$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += -mfloat128
+$(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += -mfloat128
+CFLAGS-bug-strtod.c += -mfloat128
+CFLAGS-bug-strtod2.c += -mfloat128
+CFLAGS-tst-strtod-round.c += -mfloat128
+CFLAGS-tst-wcstod-round.c += -mfloat128
+CFLAGS-tst-strtod-nan-locale.c += -mfloat128
+CFLAGS-tst-wcstod-nan-locale.c += -mfloat128
+CFLAGS-tst-strtod6.c += -mfloat128
+CFLAGS-tst-strfrom.c += -mfloat128
+CFLAGS-tst-strfrom-locale.c += -mfloat128
+CFLAGS-strfrom-skeleton.c += -mfloat128
+$(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \
+tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \
+tst-strtod-nan-locale tst-wcstod-nan-locale \
+strfrom-skeleton,$(objpfx)$(test)): gnulib-tests += $(f128-loader-link)
+
+# When building glibc with support for _Float128, the powers of ten tables in
+# fpioconst.c and in the string conversion functions must be extended.  Some
+# Makefiles (e.g.: wcsmbs/Makefile) override CFLAGS defined by the Makefiles in
+# sysdeps.  This is avoided with the use sysdep-CFLAGS instead of CFLAGS.
+sysdep-CFLAGS += $(sysdep-CFLAGS-$(<F))
+sysdep-CFLAGS-fpioconst.c += -mfloat128
+sysdep-CFLAGS-strtod_l.c += -mfloat128
+sysdep-CFLAGS-strtof_l.c += -mfloat128
+sysdep-CFLAGS-strtold_l.c += -mfloat128
+sysdep-CFLAGS-wcstod_l.c += -mfloat128
+sysdep-CFLAGS-wcstof_l.c += -mfloat128
+sysdep-CFLAGS-wcstold_l.c += -mfloat128
+endif
+
+# Append flags to printf routines.
+ifeq ($(subdir),stdio-common)
+CFLAGS-printf_fp.c = -mfloat128
+CFLAGS-printf_fphex.c = -mfloat128
+CFLAGS-printf_size.c = -mfloat128
+endif