| # When building float128 we need to ensure -mfloat128 is |
| # passed to all such object files. |
| |
| float128-flags = -mfloat128 |
| ifeq ($(with-clang),yes) |
| float128-flags = |
| #Enable this when we know we are targeting power9 |
| #float128-flags += -mcpu=pwr9 |
| endif |
| |
| # 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 += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),%f128_r$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),$(objpfx)test-float128%$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),$(objpfx)test-float64x%$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat128%$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),$(objpfx)test-ifloat64x%$(suf)): CFLAGS += $(float128-flags) |
| CFLAGS-libm-test-support-float128.c += $(float128-flags) |
| CFLAGS-libm-test-support-float64x.c += $(float128-flags) |
| CFLAGS-test-math-iscanonical.cc += $(float128-flags) |
| CFLAGS-test-math-iseqsig.cc += $(float128-flags) |
| CFLAGS-test-math-issignaling.cc += $(float128-flags) |
| CFLAGS-test-math-iszero.cc += $(float128-flags) |
| $(foreach test, \ |
| test-float128% test-ifloat128% test-float64x% test-ifloat64x% \ |
| 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 += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),%f128_l$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),%f128_nan$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),%float1282mpn$(suf)): CFLAGS += $(float128-flags) |
| $(foreach suf,$(all-object-suffixes),%mpn2float128$(suf)): CFLAGS += $(float128-flags) |
| CFLAGS-bug-strtod.c += $(float128-flags) |
| CFLAGS-bug-strtod2.c += $(float128-flags) |
| CFLAGS-tst-strtod-round.c += $(float128-flags) |
| CFLAGS-tst-wcstod-round.c += $(float128-flags) |
| CFLAGS-tst-strtod-nan-locale.c += $(float128-flags) |
| CFLAGS-tst-wcstod-nan-locale.c += $(float128-flags) |
| CFLAGS-tst-strtod6.c += $(float128-flags) |
| CFLAGS-tst-strfrom.c += $(float128-flags) |
| CFLAGS-tst-strfrom-locale.c += $(float128-flags) |
| CFLAGS-strfrom-skeleton.c += $(float128-flags) |
| $(foreach test,bug-strtod bug-strtod2 bug-strtod2 tst-strtod-round \ |
| tst-wcstod-round tst-strtod6 tst-strrom tst-strfrom-locale \ |
| tst-strtod-nan-locale tst-wcstod-nan-locale \ |
| strfrom-skeleton,$(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)) |
| # -mllvm -enable-ppc-quad-precision |
| sysdep-CFLAGS-fpioconst.c += $(float128-flags) |
| sysdep-CFLAGS-strtod_l.c += $(float128-flags) |
| sysdep-CFLAGS-strtof_l.c += $(float128-flags) |
| sysdep-CFLAGS-strtold_l.c += $(float128-flags) |
| sysdep-CFLAGS-wcstod_l.c += $(float128-flags) |
| sysdep-CFLAGS-wcstof_l.c += $(float128-flags) |
| sysdep-CFLAGS-wcstold_l.c += $(float128-flags) |
| endif |
| |
| # Append flags to printf routines. |
| ifeq ($(subdir),stdio-common) |
| CFLAGS-printf_fp.c = $(float128-flags) |
| CFLAGS-printf_fphex.c = $(float128-flags) |
| CFLAGS-printf_size.c = $(float128-flags) |
| endif |
