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69a01461ee
This patch adds the narrowing multiply functions from TS 18661-1 to glibc's libm: fmul, fmull, dmull, f32mulf64, f32mulf32x, f32xmulf64 for all configurations; f32mulf64x, f32mulf128, f64mulf64x, f64mulf128, f32xmulf64x, f32xmulf128, f64xmulf128 for configurations with _Float64x and _Float128; __nldbl_dmull for ldbl-opt. The changes are mostly essentially the same as for the narrowing add functions, so the description of those generally applies to this patch as well. f32xmulf64 for i386 cannot use precision control as used for add and subtract, because that would result in double rounding for subnormal results, so that uses round-to-odd with long double intermediate result instead. The soft-fp support involves adding a new FP_TRUNC_COOKED since soft-fp multiplication uses cooked inputs and outputs. Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft float) and powerpc, and with build-many-glibcs.py. * math/Makefile (libm-narrow-fns): Add mul. (libm-test-funcs-narrow): Likewise. * math/Versions (GLIBC_2.28): Add narrowing multiply functions. * math/bits/mathcalls-narrow.h (mul): Use __MATHCALL_NARROW. * math/gen-auto-libm-tests.c (test_functions): Add mul. * math/math-narrow.h (CHECK_NARROW_MUL): New macro. (NARROW_MUL_ROUND_TO_ODD): Likewise. (NARROW_MUL_TRIVIAL): Likewise. * soft-fp/op-common.h (FP_TRUNC_COOKED): Likewise. * sysdeps/ieee754/float128/float128_private.h (__fmull): New macro. (__dmull): Likewise. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fmul and dmul. (CFLAGS-nldbl-dmul.c): New variable. (CFLAGS-nldbl-fmul.c): Likewise. * sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add __nldbl_dmull. * sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_dmull): New prototype. * manual/arith.texi (Misc FP Arithmetic): Document fmul, fmull, dmull, fMmulfN, fMmulfNx, fMxmulfN and fMxmulfNx. * math/auto-libm-test-in: Add tests of mul. * math/auto-libm-test-out-narrow-mul: New generated file. * math/libm-test-narrow-mul.inc: New file. * sysdeps/i386/fpu/s_f32xmulf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_f32xmulf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_fmul.c: Likewise. * sysdeps/ieee754/float128/s_f32mulf128.c: Likewise. * sysdeps/ieee754/float128/s_f64mulf128.c: Likewise. * sysdeps/ieee754/float128/s_f64xmulf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-128/s_f64xmulf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-96/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-dmul.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-fmul.c: Likewise. * sysdeps/ieee754/soft-fp/s_dmull.c: Likewise. * sysdeps/ieee754/soft-fp/s_fmul.c: Likewise. * sysdeps/ieee754/soft-fp/s_fmull.c: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Update. * sysdeps/mach/hurd/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
177 lines
7.6 KiB
Makefile
177 lines
7.6 KiB
Makefile
# The`long double' type is a distinct type we support if
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# -mlong-double-128 option is used (or when it becomes a default
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# when -mlong-double-64 is not used).
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long-double-fcts = yes
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ifeq (,$(filter -mlong-double-128,$(sysdep-CFLAGS)))
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sysdep-CFLAGS += -mlong-double-128
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endif
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ifeq ($(subdir),math)
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libm-routines += s_nexttowardfd
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routines += math_ldbl_opt nldbl-compat
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extra-libs += libnldbl
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libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
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obstack_printf obstack_vprintf printf scanf snprintf \
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sprintf sscanf swprintf swscanf vasprintf vdprintf vfprintf \
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vfscanf vfwprintf vfwscanf vprintf vscanf vsnprintf \
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vsprintf vsscanf vswprintf vswscanf vwprintf vwscanf \
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wprintf wscanf printf_fp printf_size \
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fprintf_chk fwprintf_chk printf_chk snprintf_chk sprintf_chk \
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swprintf_chk vfprintf_chk vfwprintf_chk vprintf_chk \
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vsnprintf_chk vsprintf_chk vswprintf_chk vwprintf_chk \
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wprintf_chk asprintf_chk vasprintf_chk dprintf_chk \
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vdprintf_chk obstack_printf_chk obstack_vprintf_chk \
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syslog syslog_chk vsyslog vsyslog_chk \
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strfmon strfmon_l \
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strfroml \
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strtold strtold_l strtoldint wcstold wcstold_l wcstoldint \
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qecvt qfcvt qgcvt qecvt_r qfcvt_r \
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isinf isnan finite signbit scalb log2 lgamma_r ceil \
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significand acos asin atan atan2 cos sin tan cosh sinh \
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tanh acosh asinh atanh exp log log10 exp10 expm1 \
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log1p logb exp2 sqrt cbrt fabs floor j0 j1 y0 y1 erf erfc \
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lgamma tgamma gamma rint nearbyint round trunc \
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copysign fdim fmax fmin nextafter pow hypot fmod \
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remainder ldexp scalbn frexp modf scalbln fma nan sincos \
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jn yn ilogb remquo lrint lround llrint llround nexttowardf \
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nexttoward conj cacos cacosh casin catan catanh ccos ccosh \
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casinh cexp clog cproj csin csinh csqrt ctan ctanh cpow \
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cabs carg cimag creal clog10 \
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isoc99_scanf isoc99_fscanf isoc99_sscanf \
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isoc99_vscanf isoc99_vfscanf isoc99_vsscanf \
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isoc99_wscanf isoc99_fwscanf isoc99_swscanf \
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isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \
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nextup nextdown totalorder totalordermag getpayload \
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canonicalize setpayload setpayloadsig llogb fmaxmag fminmag \
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roundeven fromfp ufromfp fromfpx ufromfpx fadd dadd \
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fmul dmul fsub dsub
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libnldbl-routines = $(libnldbl-calls:%=nldbl-%)
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libnldbl-inhibit-o = $(object-suffixes)
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libnldbl-static-only-routines = $(libnldbl-routines)
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extra-objs += $(addsuffix .oS, $(libnldbl-routines))
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CFLAGS-nldbl-acos.c = -fno-builtin-acosl
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CFLAGS-nldbl-acosh.c = -fno-builtin-acoshl
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CFLAGS-nldbl-asin.c = -fno-builtin-asinl
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CFLAGS-nldbl-asinh.c = -fno-builtin-asinhl
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CFLAGS-nldbl-atan.c = -fno-builtin-atanl
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CFLAGS-nldbl-atan2.c = -fno-builtin-atan2l
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CFLAGS-nldbl-atanh.c = -fno-builtin-atanhl
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CFLAGS-nldbl-cabs.c = -fno-builtin-cabsl
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CFLAGS-nldbl-cacos.c = -fno-builtin-cacosl
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CFLAGS-nldbl-cacosh.c = -fno-builtin-cacoshl
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CFLAGS-nldbl-canonicalize.c = -fno-builtin-canonicalizel
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CFLAGS-nldbl-carg.c = -fno-builtin-cargl
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CFLAGS-nldbl-casin.c = -fno-builtin-casinl
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CFLAGS-nldbl-casinh.c = -fno-builtin-casinhl
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CFLAGS-nldbl-catan.c = -fno-builtin-catanl
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CFLAGS-nldbl-catanh.c = -fno-builtin-catanhl
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CFLAGS-nldbl-cbrt.c = -fno-builtin-cbrtl
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CFLAGS-nldbl-ccos.c = -fno-builtin-ccosl
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CFLAGS-nldbl-ccosh.c = -fno-builtin-ccoshl
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CFLAGS-nldbl-ceil.c = -fno-builtin-ceill
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CFLAGS-nldbl-cexp.c = -fno-builtin-cexpl
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CFLAGS-nldbl-cimag.c = -fno-builtin-cimagl
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CFLAGS-nldbl-clog.c = -fno-builtin-clogl
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CFLAGS-nldbl-clog10.c = -fno-builtin-clog10l
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CFLAGS-nldbl-conj.c = -fno-builtin-conjl
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CFLAGS-nldbl-copysign.c = -fno-builtin-copysignl
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CFLAGS-nldbl-cos.c = -fno-builtin-cosl
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CFLAGS-nldbl-cosh.c = -fno-builtin-coshl
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CFLAGS-nldbl-cpow.c = -fno-builtin-cpowl
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CFLAGS-nldbl-cproj.c = -fno-builtin-cprojl
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CFLAGS-nldbl-creal.c = -fno-builtin-creall
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CFLAGS-nldbl-csin.c = -fno-builtin-csinl
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CFLAGS-nldbl-csinh.c = -fno-builtin-csinhl
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CFLAGS-nldbl-csqrt.c = -fno-builtin-csqrtl
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CFLAGS-nldbl-ctan.c = -fno-builtin-ctanl
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CFLAGS-nldbl-ctanh.c = -fno-builtin-ctanhl
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CFLAGS-nldbl-dadd.c = -fno-builtin-daddl
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CFLAGS-nldbl-dmul.c = -fno-builtin-dmull
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CFLAGS-nldbl-dsub.c = -fno-builtin-dsubl
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CFLAGS-nldbl-erf.c = -fno-builtin-erfl
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CFLAGS-nldbl-erfc.c = -fno-builtin-erfcl
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CFLAGS-nldbl-exp.c = -fno-builtin-expl
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CFLAGS-nldbl-exp10.c = -fno-builtin-exp10l
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CFLAGS-nldbl-exp2.c = -fno-builtin-exp2l
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CFLAGS-nldbl-expm1.c = -fno-builtin-expm1l
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CFLAGS-nldbl-fabs.c = -fno-builtin-fabsl
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CFLAGS-nldbl-fadd.c = -fno-builtin-faddl
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CFLAGS-nldbl-fdim.c = -fno-builtin-fdiml
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CFLAGS-nldbl-finite.c = -fno-builtin-finitel
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CFLAGS-nldbl-floor.c = -fno-builtin-floorl
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CFLAGS-nldbl-fma.c = -fno-builtin-fmal
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CFLAGS-nldbl-fmax.c = -fno-builtin-fmaxl
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CFLAGS-nldbl-fmaxmag.c = -fno-builtin-fmaxmagl
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CFLAGS-nldbl-fmin.c = -fno-builtin-fminl
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CFLAGS-nldbl-fminmag.c = -fno-builtin-fminmagl
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CFLAGS-nldbl-fmod.c = -fno-builtin-fmodl
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CFLAGS-nldbl-fmul.c = -fno-builtin-fmull
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CFLAGS-nldbl-frexp.c = -fno-builtin-frexpl
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CFLAGS-nldbl-fromfp.c = -fno-builtin-fromfpl
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CFLAGS-nldbl-fromfpx.c = -fno-builtin-fromfpxl
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CFLAGS-nldbl-fsub.c = -fno-builtin-fsubl
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CFLAGS-nldbl-gamma.c = -fno-builtin-gammal
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CFLAGS-nldbl-getpayload.c = -fno-builtin-getpayloadl
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CFLAGS-nldbl-hypot.c = -fno-builtin-hypotl
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CFLAGS-nldbl-ilogb.c = -fno-builtin-ilogbl
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CFLAGS-nldbl-isinf.c = -fno-builtin-isinfl
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CFLAGS-nldbl-isnan.c = -fno-builtin-isnanl
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CFLAGS-nldbl-j0.c = -fno-builtin-j0l
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CFLAGS-nldbl-j1.c = -fno-builtin-j1l
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CFLAGS-nldbl-jn.c = -fno-builtin-jnl
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CFLAGS-nldbl-ldexp.c = -fno-builtin-ldexpl
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CFLAGS-nldbl-lgamma.c = -fno-builtin-lgammal
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CFLAGS-nldbl-lgamma_r.c = -fno-builtin-lgammal_r
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CFLAGS-nldbl-llogb.c = -fno-builtin-llogbl
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CFLAGS-nldbl-llrint.c = -fno-builtin-llrintl
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CFLAGS-nldbl-llround.c = -fno-builtin-llroundl
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CFLAGS-nldbl-log.c = -fno-builtin-logl
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CFLAGS-nldbl-log10.c = -fno-builtin-log10l
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CFLAGS-nldbl-log1p.c = -fno-builtin-log1pl
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CFLAGS-nldbl-log2.c = -fno-builtin-log2l
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CFLAGS-nldbl-logb.c = -fno-builtin-logbl
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CFLAGS-nldbl-lrint.c = -fno-builtin-lrintl
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CFLAGS-nldbl-lround.c = -fno-builtin-lroundl
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CFLAGS-nldbl-modf.c = -fno-builtin-modfl
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CFLAGS-nldbl-nan.c = -fno-builtin-nanl
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CFLAGS-nldbl-nearbyint.c = -fno-builtin-nearbyintl
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CFLAGS-nldbl-nextafter.c = -fno-builtin-nextafterl
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CFLAGS-nldbl-nextdown.c = -fno-builtin-nextdownl
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CFLAGS-nldbl-nexttoward.c = -fno-builtin-nexttoward -fno-builtin-nexttowardl
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CFLAGS-nldbl-nexttowardf.c = -fno-builtin-nexttowardf
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CFLAGS-nldbl-nextup.c = -fno-builtin-nextupl
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CFLAGS-nldbl-pow.c = -fno-builtin-powl
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CFLAGS-nldbl-remainder.c = -fno-builtin-remainderl -fno-builtin-dreml
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CFLAGS-nldbl-remquo.c = -fno-builtin-remquol
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CFLAGS-nldbl-rint.c = -fno-builtin-rintl
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CFLAGS-nldbl-round.c = -fno-builtin-roundl
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CFLAGS-nldbl-roundeven.c = -fno-builtin-roundevenl
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CFLAGS-nldbl-scalb.c = -fno-builtin-scalbl
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CFLAGS-nldbl-scalbln.c = -fno-builtin-scalblnl
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CFLAGS-nldbl-scalbn.c = -fno-builtin-scalbnl
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CFLAGS-nldbl-setpayload.c = -fno-builtin-setpayloadl
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CFLAGS-nldbl-setpayloadsig.c = -fno-builtin-setpayloadsigl
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CFLAGS-nldbl-significand.c = -fno-builtin-significandl
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CFLAGS-nldbl-sin.c = -fno-builtin-sinl
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CFLAGS-nldbl-sincos.c = -fno-builtin-sincosl
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CFLAGS-nldbl-sinh.c = -fno-builtin-sinhl
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CFLAGS-nldbl-sqrt.c = -fno-builtin-sqrtl
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CFLAGS-nldbl-tan.c = -fno-builtin-tanl
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CFLAGS-nldbl-tanh.c = -fno-builtin-tanhl
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CFLAGS-nldbl-tgamma.c = -fno-builtin-tgammal
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CFLAGS-nldbl-totalorder.c = -fno-builtin-totalorderl
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CFLAGS-nldbl-totalordermag.c = -fno-builtin-totalordermagl
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CFLAGS-nldbl-trunc.c = -fno-builtin-truncl
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CFLAGS-nldbl-ufromfp.c = -fno-builtin-ufromfpl
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CFLAGS-nldbl-ufromfpx.c = -fno-builtin-ufromfpxl
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CFLAGS-nldbl-y0.c = -fno-builtin-y0l
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CFLAGS-nldbl-y1.c = -fno-builtin-y1l
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CFLAGS-nldbl-yn.c = -fno-builtin-ynl
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tests += test-narrow-macros-ldbl-64
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CFLAGS-test-narrow-macros-ldbl-64.c += -mlong-double-64
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endif
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