diff options
author | Kito Cheng <kito.cheng@sifive.com> | 2023-12-04 15:41:39 +0800 |
---|---|---|
committer | Corinna Vinschen <corinna@vinschen.de> | 2023-12-04 10:26:41 +0100 |
commit | 04798b7bb69571452d2cfc7e0b052a9bbd3b619d (patch) | |
tree | aca72b73a38b6112c133669f13681a6ef7968915 | |
parent | bcd1883560b79b67f06fa1df6dea60d18fdd00c7 (diff) | |
download | newlib-04798b7bb69571452d2cfc7e0b052a9bbd3b619d.zip newlib-04798b7bb69571452d2cfc7e0b052a9bbd3b619d.tar.gz newlib-04798b7bb69571452d2cfc7e0b052a9bbd3b619d.tar.bz2 |
RISC-V: Support long double math
Long double for RISC-V is using 128 bit IEEE 754 format like Aarch64,
so we reference AArch64 to support that.
-rw-r--r-- | newlib/Makefile.in | 63 | ||||
-rw-r--r-- | newlib/libc/include/math.h | 3 | ||||
-rw-r--r-- | newlib/libc/machine/riscv/machine/_fpmath.h | 64 | ||||
-rw-r--r-- | newlib/libm/Makefile.inc | 1 |
4 files changed, 110 insertions, 21 deletions
diff --git a/newlib/Makefile.in b/newlib/Makefile.in index 9cbb425..3cba156 100644 --- a/newlib/Makefile.in +++ b/newlib/Makefile.in @@ -947,14 +947,17 @@ check_PROGRAMS = @HAVE_LIBM_MACHINE_SPARC_TRUE@am__append_159 = $(libm_machine_sparc_src) @HAVE_LIBM_MACHINE_SPU_TRUE@am__append_160 = $(libm_machine_spu_src) @HAVE_LIBM_MACHINE_RISCV_TRUE@am__append_161 = $(libm_machine_riscv_src) -@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_162 = $(libm_machine_x86_64_src) -@HAVE_LIBM_MACHINE_X86_64_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__append_163 = $(libm_ld80_lsrc) -@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_164 = -@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_165 = -@HAVE_LIBM_MACHINE_XTENSA_TRUE@@XTENSA_XCHAL_HAVE_FP_SQRT_TRUE@am__append_166 = \ +@HAVE_LIBM_MACHINE_RISCV_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__append_162 = $(libm_ld128_lsrc) +@HAVE_LIBM_MACHINE_RISCV_TRUE@am__append_163 = +@HAVE_LIBM_MACHINE_RISCV_TRUE@am__append_164 = +@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_165 = $(libm_machine_x86_64_src) +@HAVE_LIBM_MACHINE_X86_64_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__append_166 = $(libm_ld80_lsrc) +@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_167 = +@HAVE_LIBM_MACHINE_X86_64_TRUE@am__append_168 = +@HAVE_LIBM_MACHINE_XTENSA_TRUE@@XTENSA_XCHAL_HAVE_FP_SQRT_TRUE@am__append_169 = \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@@XTENSA_XCHAL_HAVE_FP_SQRT_TRUE@ libm/machine/xtensa/ef_sqrt.c -@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__append_167 = $(libm_machine_xtensa_src) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__append_170 = $(libm_machine_xtensa_src) subdir = . ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \ @@ -3198,6 +3201,16 @@ am__objects_159 = libm/fenv/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/machine/aarch64/libm_a-fetestexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/machine/aarch64/libm_a-feupdateenv.$(OBJEXT) @HAVE_LIBM_MACHINE_AARCH64_TRUE@am__objects_161 = $(am__objects_160) +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@am__objects_162 = libm/ld128/libm_a-e_powl.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-s_erfl.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-s_exp2l.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-s_expl.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-s_logl.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-b_tgammal.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-invtrig.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-e_lgammal_r.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-k_cosl.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_AARCH64_FALSE@@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/libm_a-k_sinl.$(OBJEXT) @HAVE_LIBM_MACHINE_AARCH64_TRUE@am__objects_162 = libm/ld128/libm_a-e_powl.$(OBJEXT) \ @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/ld128/libm_a-s_erfl.$(OBJEXT) \ @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/ld128/libm_a-s_exp2l.$(OBJEXT) \ @@ -3615,7 +3628,8 @@ am__objects_159 = libm/fenv/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/machine/riscv/libm_a-s_llround.$(OBJEXT) \ @HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/machine/riscv/libm_a-sf_llround.$(OBJEXT) @HAVE_LIBM_MACHINE_RISCV_TRUE@am__objects_187 = $(am__objects_186) -@HAVE_LIBM_MACHINE_X86_64_TRUE@am__objects_188 = libm/machine/x86_64/libm_a-feclearexcept.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_RISCV_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__objects_188 = $(am__objects_162) +@HAVE_LIBM_MACHINE_X86_64_TRUE@am__objects_189 = libm/machine/x86_64/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-fegetenv.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-fegetexceptflag.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-fegetround.$(OBJEXT) \ @@ -3627,10 +3641,10 @@ am__objects_159 = libm/fenv/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-fesetround.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-fetestexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_X86_64_TRUE@ libm/machine/x86_64/libm_a-feupdateenv.$(OBJEXT) -@HAVE_LIBM_MACHINE_X86_64_TRUE@am__objects_189 = $(am__objects_188) -@HAVE_LIBM_MACHINE_X86_64_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__objects_190 = $(am__objects_170) -@HAVE_LIBM_MACHINE_XTENSA_TRUE@@XTENSA_XCHAL_HAVE_FP_SQRT_TRUE@am__objects_191 = libm/machine/xtensa/libm_a-ef_sqrt.$(OBJEXT) -@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__objects_192 = libm/machine/xtensa/libm_a-feclearexcept.$(OBJEXT) \ +@HAVE_LIBM_MACHINE_X86_64_TRUE@am__objects_190 = $(am__objects_189) +@HAVE_LIBM_MACHINE_X86_64_TRUE@@HAVE_LONG_DOUBLE_TRUE@am__objects_191 = $(am__objects_170) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@@XTENSA_XCHAL_HAVE_FP_SQRT_TRUE@am__objects_192 = libm/machine/xtensa/libm_a-ef_sqrt.$(OBJEXT) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__objects_193 = libm/machine/xtensa/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-fegetenv.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-fegetexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-fegetexceptflag.$(OBJEXT) \ @@ -3639,8 +3653,8 @@ am__objects_159 = libm/fenv/libm_a-feclearexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-feraiseexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-fetestexcept.$(OBJEXT) \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/libm_a-feupdateenv.$(OBJEXT) \ -@HAVE_LIBM_MACHINE_XTENSA_TRUE@ $(am__objects_191) -@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__objects_193 = $(am__objects_192) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@ $(am__objects_192) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@am__objects_194 = $(am__objects_193) am_libm_a_OBJECTS = $(am__objects_145) $(am__objects_149) \ $(am__objects_150) $(am__objects_151) $(am__objects_153) \ $(am__objects_155) $(am__objects_156) $(am__objects_157) \ @@ -3649,7 +3663,8 @@ am_libm_a_OBJECTS = $(am__objects_145) $(am__objects_149) \ $(am__objects_169) $(am__objects_171) $(am__objects_173) \ $(am__objects_177) $(am__objects_179) $(am__objects_181) \ $(am__objects_183) $(am__objects_185) $(am__objects_187) \ - $(am__objects_189) $(am__objects_190) $(am__objects_193) + $(am__objects_188) $(am__objects_190) $(am__objects_191) \ + $(am__objects_194) libm_a_OBJECTS = $(am_libm_a_OBJECTS) am_libm_test_test_OBJECTS = libm/test/test.$(OBJEXT) \ libm/test/string.$(OBJEXT) libm/test/convert.$(OBJEXT) \ @@ -4209,7 +4224,8 @@ libm_a_SOURCES = $(am__append_133) $(am__append_136) \ $(am__append_149) $(am__append_150) $(am__append_153) \ $(am__append_156) $(am__append_157) $(am__append_158) \ $(am__append_159) $(am__append_160) $(am__append_161) \ - $(am__append_162) $(am__append_163) $(am__append_167) + $(am__append_162) $(am__append_165) $(am__append_166) \ + $(am__append_170) libm_a_CFLAGS = $(AM_CFLAGS) $(libm_a_CFLAGS_$(subst /,_,$(@D))) $(libm_a_CFLAGS_$(subst /,_,$(@D)_$(<F))) libm_a_CCASFLAGS = $(AM_CCASFLAGS) $(libm_a_CCASFLAGS_$(subst /,_,$(@D))) $(libm_a_CCASFLAGS_$(subst /,_,$(@D)_$(<F))) libm_a_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/libm/common $(libm_a_CPPFLAGS_$(subst /,_,$(@D))) $(libm_a_CPPFLAGS_$(subst /,_,$(@D)_$(<F))) @@ -4674,10 +4690,11 @@ LIBM_CHEWOUT_FILES = $(am__append_134) $(am__append_137) \ libm/fenv/feraiseexcept.def libm/fenv/fesetenv.def \ libm/fenv/fesetexceptflag.def libm/fenv/fesetround.def \ libm/fenv/fetestexcept.def libm/fenv/feupdateenv.def \ - $(am__append_145) $(am__append_151) $(am__append_164) + $(am__append_145) $(am__append_151) $(am__append_163) \ + $(am__append_167) LIBM_CHAPTERS = $(am__append_135) $(am__append_138) $(am__append_142) \ libm/complex/complex.tex libm/fenv/fenv.tex $(am__append_146) \ - $(am__append_152) $(am__append_165) + $(am__append_152) $(am__append_164) $(am__append_168) LIBM_DOCBOOK_OUT_FILES = $(LIBM_CHEWOUT_FILES:.def=.xml) @NEWLIB_HW_FP_TRUE@libm_mathfp_src = \ @NEWLIB_HW_FP_TRUE@ libm/mathfp/s_acos.c libm/mathfp/s_frexp.c libm/mathfp/s_mathcnst.c \ @@ -5048,7 +5065,13 @@ libm_test_test_LDADD = $(CRT0) libm.a libc.a @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/ld128/s_logl.c libm/ld128/b_tgammal.c libm/ld128/invtrig.c \ @HAVE_LIBM_MACHINE_AARCH64_TRUE@ libm/ld128/e_lgammal_r.c libm/ld128/k_cosl.c libm/ld128/k_sinl.c +@HAVE_LIBM_MACHINE_RISCV_TRUE@libm_ld128_lsrc = \ +@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/e_powl.c libm/ld128/s_erfl.c libm/ld128/s_exp2l.c libm/ld128/s_expl.c \ +@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/s_logl.c libm/ld128/b_tgammal.c libm/ld128/invtrig.c \ +@HAVE_LIBM_MACHINE_RISCV_TRUE@ libm/ld128/e_lgammal_r.c libm/ld128/k_cosl.c libm/ld128/k_sinl.c + @HAVE_LIBM_MACHINE_AARCH64_TRUE@libm_a_CFLAGS_libm_ld128 = -fbuiltin -fno-math-errno +@HAVE_LIBM_MACHINE_RISCV_TRUE@libm_a_CFLAGS_libm_ld128 = -fbuiltin -fno-math-errno @HAVE_LIBM_MACHINE_AMDGCN_TRUE@libm_machine_amdgcn_src = \ @HAVE_LIBM_MACHINE_AMDGCN_TRUE@ libm/machine/amdgcn/v64_mathcnst.c \ @HAVE_LIBM_MACHINE_AMDGCN_TRUE@ libm/machine/amdgcn/v64_reent.c \ @@ -5277,7 +5300,7 @@ libm_test_test_LDADD = $(CRT0) libm.a libc.a @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/feraiseexcept.c \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/fetestexcept.c \ @HAVE_LIBM_MACHINE_XTENSA_TRUE@ libm/machine/xtensa/feupdateenv.c \ -@HAVE_LIBM_MACHINE_XTENSA_TRUE@ $(am__append_166) +@HAVE_LIBM_MACHINE_XTENSA_TRUE@ $(am__append_169) @HAVE_LIBM_MACHINE_XTENSA_TRUE@libm_a_CFLAGS_libm_machine_xtensa = -D_LIBM all: newlib.h _newlib_version.h $(MAKE) $(AM_MAKEFLAGS) all-am @@ -5286,7 +5309,7 @@ all: newlib.h _newlib_version.h .SUFFIXES: .def .xml .S .c .dvi .o .obj .ps .s am--refresh: Makefile @: -$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(srcdir)/../multilib.am $(srcdir)/doc/Makefile.inc $(srcdir)/libc/Makefile.inc $(srcdir)/libc/argz/Makefile.inc $(srcdir)/libc/stdlib/Makefile.inc $(srcdir)/libc/ctype/Makefile.inc $(srcdir)/libc/search/Makefile.inc $(srcdir)/libc/stdio/Makefile.inc $(srcdir)/libc/stdio64/Makefile.inc $(srcdir)/libc/string/Makefile.inc $(srcdir)/libc/signal/Makefile.inc $(srcdir)/libc/time/Makefile.inc $(srcdir)/libc/locale/Makefile.inc $(srcdir)/libc/reent/Makefile.inc $(srcdir)/libc/errno/Makefile.inc $(srcdir)/libc/misc/Makefile.inc $(srcdir)/libc/unix/Makefile.inc $(srcdir)/libc/posix/Makefile.inc $(srcdir)/libc/syscalls/Makefile.inc $(srcdir)/libc/iconv/Makefile.inc $(srcdir)/libc/iconv/ces/Makefile.inc $(srcdir)/libc/iconv/ccs/Makefile.inc $(srcdir)/libc/iconv/ccs/binary/Makefile.inc $(srcdir)/libc/iconv/lib/Makefile.inc $(srcdir)/libc/xdr/Makefile.inc $(srcdir)/libc/ssp/Makefile.inc $(srcdir)/libc/sys/Makefile.inc $(srcdir)/libc/sys/a29khif/Makefile.inc $(srcdir)/libc/sys/amdgcn/Makefile.inc $(srcdir)/libc/sys/arm/Makefile.inc $(srcdir)/libc/sys/d10v/Makefile.inc $(srcdir)/libc/sys/epiphany/Makefile.inc $(srcdir)/libc/sys/h8300hms/Makefile.inc $(srcdir)/libc/sys/h8500hms/Makefile.inc $(srcdir)/libc/sys/m88kbug/Makefile.inc $(srcdir)/libc/sys/mmixware/Makefile.inc $(srcdir)/libc/sys/netware/Makefile.inc $(srcdir)/libc/sys/or1k/Makefile.inc $(srcdir)/libc/sys/rdos/Makefile.inc $(srcdir)/libc/sys/rtems/Makefile.inc $(srcdir)/libc/sys/sh/Makefile.inc $(srcdir)/libc/sys/sysmec/Makefile.inc $(srcdir)/libc/sys/sysnec810/Makefile.inc $(srcdir)/libc/sys/sysnecv850/Makefile.inc $(srcdir)/libc/sys/sysvi386/Makefile.inc $(srcdir)/libc/sys/sysvnecv70/Makefile.inc $(srcdir)/libc/sys/tic80/Makefile.inc $(srcdir)/libc/sys/tirtos/Makefile.inc $(srcdir)/libc/sys/w65/Makefile.inc $(srcdir)/libc/sys/xtensa/Makefile.inc $(srcdir)/libc/sys/z8ksim/Makefile.inc $(srcdir)/libc/machine/Makefile.inc $(srcdir)/libc/machine/aarch64/Makefile.inc $(srcdir)/libc/machine/amdgcn/Makefile.inc $(srcdir)/libc/machine/arc/Makefile.inc $(srcdir)/libc/machine/arm/Makefile.inc $(srcdir)/libc/machine/bfin/Makefile.inc $(srcdir)/libc/machine/cr16/Makefile.inc $(srcdir)/libc/machine/cris/Makefile.inc $(srcdir)/libc/machine/crx/Makefile.inc $(srcdir)/libc/machine/csky/Makefile.inc $(srcdir)/libc/machine/d10v/Makefile.inc $(srcdir)/libc/machine/d30v/Makefile.inc $(srcdir)/libc/machine/epiphany/Makefile.inc $(srcdir)/libc/machine/fr30/Makefile.inc $(srcdir)/libc/machine/frv/Makefile.inc $(srcdir)/libc/machine/ft32/Makefile.inc $(srcdir)/libc/machine/h8300/Makefile.inc $(srcdir)/libc/machine/h8500/Makefile.inc $(srcdir)/libc/machine/hppa/Makefile.inc $(srcdir)/libc/machine/i386/Makefile.inc $(srcdir)/libc/machine/i960/Makefile.inc $(srcdir)/libc/machine/iq2000/Makefile.inc $(srcdir)/libc/machine/lm32/Makefile.inc $(srcdir)/libc/machine/m32c/Makefile.inc $(srcdir)/libc/machine/m32r/Makefile.inc $(srcdir)/libc/machine/m68hc11/Makefile.inc $(srcdir)/libc/machine/m68k/Makefile.inc $(srcdir)/libc/machine/m88k/Makefile.inc $(srcdir)/libc/machine/mep/Makefile.inc $(srcdir)/libc/machine/microblaze/Makefile.inc $(srcdir)/libc/machine/mips/Makefile.inc $(srcdir)/libc/machine/mn10200/Makefile.inc $(srcdir)/libc/machine/mn10300/Makefile.inc $(srcdir)/libc/machine/moxie/Makefile.inc $(srcdir)/libc/machine/msp430/Makefile.inc $(srcdir)/libc/machine/mt/Makefile.inc $(srcdir)/libc/machine/nds32/Makefile.inc $(srcdir)/libc/machine/necv70/Makefile.inc $(srcdir)/libc/machine/nios2/Makefile.inc $(srcdir)/libc/machine/nvptx/Makefile.inc $(srcdir)/libc/machine/or1k/Makefile.inc $(srcdir)/libc/machine/powerpc/Makefile.inc $(srcdir)/libc/machine/pru/Makefile.inc $(srcdir)/libc/machine/riscv/Makefile.inc $(srcdir)/libc/machine/rl78/Makefile.inc $(srcdir)/libc/machine/rx/Makefile.inc $(srcdir)/libc/machine/sh/Makefile.inc $(srcdir)/libc/machine/sparc/Makefile.inc $(srcdir)/libc/machine/spu/Makefile.inc $(srcdir)/libc/machine/tic4x/Makefile.inc $(srcdir)/libc/machine/tic6x/Makefile.inc $(srcdir)/libc/machine/tic80/Makefile.inc $(srcdir)/libc/machine/v850/Makefile.inc $(srcdir)/libc/machine/visium/Makefile.inc $(srcdir)/libc/machine/w65/Makefile.inc $(srcdir)/libc/machine/x86_64/Makefile.inc $(srcdir)/libc/machine/xc16x/Makefile.inc $(srcdir)/libc/machine/xstormy16/Makefile.inc $(srcdir)/libc/machine/xtensa/Makefile.inc $(srcdir)/libc/machine/z8k/Makefile.inc $(srcdir)/libm/Makefile.inc $(srcdir)/libm/mathfp/Makefile.inc $(srcdir)/libm/math/Makefile.inc $(srcdir)/libm/common/Makefile.inc $(srcdir)/libm/ld/Makefile.inc $(srcdir)/libm/complex/Makefile.inc $(srcdir)/libm/fenv/Makefile.inc $(srcdir)/libm/test/Makefile.inc $(srcdir)/libm/machine/aarch64/Makefile.inc $(srcdir)/libm/ld128/Makefile.inc $(srcdir)/libm/machine/amdgcn/Makefile.inc $(srcdir)/libm/machine/arm/Makefile.inc $(srcdir)/libm/machine/i386/Makefile.inc $(srcdir)/libm/ld80/Makefile.inc $(srcdir)/libm/machine/mips/Makefile.inc $(srcdir)/libm/machine/nds32/Makefile.inc $(srcdir)/libm/machine/powerpc/Makefile.inc $(srcdir)/libm/machine/pru/Makefile.inc $(srcdir)/libm/machine/sparc/Makefile.inc $(srcdir)/libm/machine/spu/Makefile.inc $(srcdir)/libm/machine/riscv/Makefile.inc $(srcdir)/libm/machine/x86_64/Makefile.inc $(srcdir)/libm/ld80/Makefile.inc $(srcdir)/libm/machine/xtensa/Makefile.inc $(am__configure_deps) +$(srcdir)/Makefile.in: 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functions despite using the Microsoft x86_64 ABI. */ #if defined (_LDBL_EQ_DBL) || defined (__CYGWIN__) || \ - defined(__aarch64__) || defined(__i386__) || defined(__x86_64__) + defined(__aarch64__) || defined(__i386__) || defined(__x86_64__) || \ + defined(__riscv) /* Reentrant ANSI C functions. */ #ifndef __math_68881 extern long double atanl (long double); diff --git a/newlib/libc/machine/riscv/machine/_fpmath.h b/newlib/libc/machine/riscv/machine/_fpmath.h new file mode 100644 index 0000000..fa62ae8 --- /dev/null +++ b/newlib/libc/machine/riscv/machine/_fpmath.h @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> + * Copyright (2) 2014 The FreeBSD Foundation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Change unsigned int/long used by FreeBSD to fixed width types because + * ilp32 has a different size for unsigned long. --joel (20 Aug 2022) + */ +#include <stdint.h> + +union IEEEl2bits { + long double e; + struct { + uint64_t manl :64; + uint64_t manh :48; + uint32_t exp :15; + uint32_t sign :1; + } bits; + /* TODO andrew: Check the packing here */ + struct { + uint64_t manl :64; + uint64_t manh :48; + uint32_t expsign :16; + } xbits; +}; + +#define LDBL_NBIT 0 +#define LDBL_IMPLICIT_NBIT +#define mask_nbit_l(u) ((void)0) + +#define LDBL_MANH_SIZE 48 +#define LDBL_MANL_SIZE 64 + +#define LDBL_TO_ARRAY32(u, a) do { \ + (a)[0] = (uint32_t)(u).bits.manl; \ + (a)[1] = (uint32_t)((u).bits.manl >> 32); \ + (a)[2] = (uint32_t)(u).bits.manh; \ + (a)[3] = (uint32_t)((u).bits.manh >> 32); \ +} while(0) diff --git a/newlib/libm/Makefile.inc b/newlib/libm/Makefile.inc index 28b84bf..bf31b1b 100644 --- a/newlib/libm/Makefile.inc +++ b/newlib/libm/Makefile.inc @@ -87,6 +87,7 @@ include %D%/machine/spu/Makefile.inc endif if HAVE_LIBM_MACHINE_RISCV include %D%/machine/riscv/Makefile.inc +include %D%/ld128/Makefile.inc endif if HAVE_LIBM_MACHINE_X86_64 include %D%/machine/x86_64/Makefile.inc |