wasm32 support (#192)

dev
Daniel Mendler 4 years ago committed by Alex Arslan
parent f24b1bfe55
commit 72f33a3bf9
  1. 10
      Make.inc
  2. 8
      Makefile
  3. 3
      README.md
  4. 2
      include/openlibm_math.h
  5. 17
      src/Make.files
  6. 4
      src/cdefs-compat.h
  7. 2
      src/s_fdim.c
  8. 2
      src/s_scalbln.c
  9. 0
      wasm32/Make.files
  10. 1
      wasm32/assert.h
  11. 33
      wasm32/float.h
  12. 9
      wasm32/limits.h
  13. 43
      wasm32/stdint.h

@ -31,6 +31,12 @@ endif
AR = $(TOOLPREFIX)ar
ifeq ($(ARCH),wasm32)
CC = clang-8
USEGCC = 0
CFLAGS_add += -fno-builtin -fno-strict-aliasing
endif
ifeq ($(USECLANG),1)
USEGCC = 0
CC = clang
@ -118,6 +124,10 @@ SFLAGS_arch += -m64
LDFLAGS_arch += -m64
endif
ifeq ($(ARCH),wasm32)
CFLAGS_arch += -ffreestanding -nostdlib -nostdinc --target=wasm32-unknown-unknown
endif
# Add our "arch"-related FLAGS in. We separate arch-related flags out so that
# we can conveniently get at them for targets that don't want the rest of
# *FLAGS_add, such as the testing Makefile targets

@ -49,7 +49,13 @@ endif
.PHONY: all check test clean distclean \
install install-static install-shared install-pkgconfig install-headers
all: libopenlibm.a libopenlibm.$(OLM_MAJOR_MINOR_SHLIB_EXT)
OLM_LIBS := libopenlibm.a
ifneq ($(ARCH), wasm32)
OLM_LIBS += libopenlibm.$(OLM_MAJOR_MINOR_SHLIB_EXT)
endif
all : $(OLM_LIBS)
check test: test/test-double test/test-float
test/test-double

@ -27,7 +27,8 @@ also supports arm, aarch64, ppc64le, and mips.
Linux and Windows.
3. Use `make USECLANG=1` to build with clang. This is the default on OS X, FreeBSD,
and OpenBSD.
4. Architectures are auto-detected. Use `make ARCH=i386` to force a
4. Use `make ARCH=wasm32` to build the wasm32 library with clang. Requires clang-8.
5. Architectures are auto-detected. Use `make ARCH=i386` to force a
build for i386. Other supported architectures are i486, i586, and
i686. GCC 4.8 is the minimum requirement for correct codegen on
older 32-bit architectures.

@ -25,7 +25,7 @@
#define __WIN32__
#endif
#ifndef __arm__
#if !defined(__arm__) && !defined(__wasm__)
#define OLM_LONG_DOUBLE
#endif

@ -15,15 +15,14 @@ $(CUR_SRCS) = common.c \
s_copysign.c s_copysignf.c s_cos.c s_cosf.c \
s_csqrt.c s_csqrtf.c s_erf.c s_erff.c \
s_exp2.c s_exp2f.c s_expm1.c s_expm1f.c s_fabs.c s_fabsf.c s_fdim.c \
s_floor.c s_floorf.c s_fma.c s_fmaf.c \
s_floor.c s_floorf.c \
s_fmax.c s_fmaxf.c s_fmin.c \
s_fminf.c s_fpclassify.c \
s_frexp.c s_frexpf.c s_ilogb.c s_ilogbf.c \
s_isinf.c s_isfinite.c s_isnormal.c s_isnan.c \
s_llrint.c s_llrintf.c s_llround.c s_llroundf.c \
s_log1p.c s_log1pf.c s_logb.c s_logbf.c s_lrint.c s_lrintf.c \
s_lround.c s_lroundf.c s_modf.c s_modff.c \
s_nearbyint.c s_nextafter.c s_nextafterf.c \
s_log1p.c s_log1pf.c s_logb.c s_logbf.c \
s_modf.c s_modff.c \
s_nextafter.c s_nextafterf.c \
s_nexttowardf.c s_remquo.c s_remquof.c \
s_rint.c s_rintf.c s_round.c s_roundf.c \
s_scalbln.c s_scalbn.c s_scalbnf.c s_signbit.c \
@ -32,10 +31,18 @@ $(CUR_SRCS) = common.c \
s_trunc.c s_truncf.c s_cpow.c s_cpowf.c \
w_cabs.c w_cabsf.c
ifneq ($(ARCH), wasm32)
$(CUR_SRCS) += \
s_fma.c s_fmaf.c s_lrint.c s_lrintf.c s_lround.c s_lroundf.c \
s_llrint.c s_llrintf.c s_llround.c s_llroundf.c s_nearbyint.c
ifneq ($(OS), WINNT)
$(CUR_SRCS) += s_nan.c
endif
endif
# Add in long double functions for x86, x64 and aarch64
ifneq ($(filter $(ARCH),i387 amd64 aarch64),)
# C99 long double functions

@ -21,6 +21,10 @@
#endif /* __APPLE__ */
#endif /* __strong_reference */
#ifdef __wasm__
# define __weak_reference(sym,alias) __strong_reference(sym,alias)
#endif
#ifndef __weak_reference
#ifdef __ELF__
#ifdef __STDC__

@ -43,4 +43,6 @@ fn(type x, type y) \
DECL(double, fdim)
DECL(float, fdimf)
#ifdef OLM_LONG_DOUBLE
DECL(long double, fdiml)
#endif

@ -62,6 +62,7 @@ scalblnf (float x, long n)
return (scalbnf(x, in));
}
#ifdef OLM_LONG_DOUBLE
OLM_DLLEXPORT long double
scalblnl (long double x, long n)
{
@ -76,3 +77,4 @@ scalblnl (long double x, long n)
}
return (scalbnl(x, (int)n));
}
#endif

@ -0,0 +1 @@
#define assert(x) ((void)0)

@ -0,0 +1,33 @@
#pragma once
#define FLT_RADIX 2
#define FLT_TRUE_MIN 1.40129846432481707092e-45F
#define FLT_MIN 1.17549435082228750797e-38F
#define FLT_MAX 3.40282346638528859812e+38F
#define FLT_EPSILON 1.1920928955078125e-07F
#define FLT_MANT_DIG 24
#define FLT_MIN_EXP (-125)
#define FLT_MAX_EXP 128
#define FLT_HAS_SUBNORM 1
#define FLT_DIG 6
#define FLT_DECIMAL_DIG 9
#define FLT_MIN_10_EXP (-37)
#define FLT_MAX_10_EXP 38
#define DBL_TRUE_MIN 4.94065645841246544177e-324
#define DBL_MIN 2.22507385850720138309e-308
#define DBL_MAX 1.79769313486231570815e+308
#define DBL_EPSILON 2.22044604925031308085e-16
#define DBL_MANT_DIG 53
#define DBL_MIN_EXP (-1021)
#define DBL_MAX_EXP 1024
#define DBL_HAS_SUBNORM 1
#define DBL_DIG 15
#define DBL_DECIMAL_DIG 17
#define DBL_MIN_10_EXP (-307)
#define DBL_MAX_10_EXP 308

@ -0,0 +1,9 @@
#include <stdint.h>
#define INT_MIN INT32_MIN
#define INT_MAX INT32_MAX
#define LONG_MIN INT32_MIN
#define LONG_MAX INT32_MAX
#define LLONG_MIN INT64_MIN
#define LLONG_MAX INT64_MAX

@ -0,0 +1,43 @@
#pragma once
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
typedef char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef long long int64_t;
typedef unsigned int uintptr_t;
typedef int intptr_t;
_Static_assert(sizeof (uint8_t) == 1, "invalid size");
_Static_assert(sizeof (uint16_t) == 2, "invalid size");
_Static_assert(sizeof (uint32_t) == 4, "invalid size");
_Static_assert(sizeof (uint64_t) == 8, "invalid size");
_Static_assert(sizeof (int8_t) == 1, "invalid size");
_Static_assert(sizeof (int16_t) == 2, "invalid size");
_Static_assert(sizeof (int32_t) == 4, "invalid size");
_Static_assert(sizeof (int64_t) == 8, "invalid size");
_Static_assert(sizeof (uintptr_t) == sizeof (intptr_t), "invalid size");
_Static_assert(sizeof (uintptr_t) == sizeof (void*), "invalid size");
_Static_assert(sizeof (uintptr_t) == 4, "invalid size");
#define UINT8_MAX 0xFF
#define UINT16_MAX 0xFFFF
#define UINT32_MAX 0xFFFFFFFFUL
#define UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
#define INT8_MAX 0x7F
#define INT16_MAX 0x7FFF
#define INT32_MAX 0x7FFFFFFF
#define INT64_MAX 0x7FFFFFFFFFFFFFFF
#define INT8_MIN (-0x80)
#define INT16_MIN (-0x8000)
#define INT32_MIN (-0x80000000L)
#define INT64_MIN (-0x8000000000000000LL)
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