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/* Automically generated by wasm2c */
#include <math.h>
#include <string.h>
#include "fac.h"
#define TRAP(x) (wasm_rt_trap(WASM_RT_TRAP_##x), 0)
#if WASM_RT_MEMCHECK_SIGNAL_HANDLER
#define FUNC_PROLOGUE
#define FUNC_EPILOGUE
#else
#define FUNC_PROLOGUE \
if (++wasm_rt_call_stack_depth > WASM_RT_MAX_CALL_STACK_DEPTH) \
TRAP(EXHAUSTION)
#define FUNC_EPILOGUE --wasm_rt_call_stack_depth
#endif
#define UNREACHABLE TRAP(UNREACHABLE)
#define CALL_INDIRECT(table, t, ft, x, ...) \
(LIKELY((x) < table.size && table.data[x].func && \
table.data[x].func_type == func_types[ft]) \
|| TRAP(CALL_INDIRECT) \
, ((t)table.data[x].func)(__VA_ARGS__))
#define RANGE_CHECK(mem, offset, len) \
if (UNLIKELY(offset + (uint64_t)len > mem->size)) TRAP(OOB)
#if WASM_RT_MEMCHECK_SIGNAL_HANDLER
#define MEMCHECK(mem, a, t)
#else
#define MEMCHECK(mem, a, t) RANGE_CHECK(mem, a, sizeof(t))
#endif
#if WABT_BIG_ENDIAN
static inline void load_data(void *dest, const void *src, size_t n) {
size_t i = 0;
u8 *dest_chars = dest;
memcpy(dest, src, n);
for (i = 0; i < (n>>1); i++) {
u8 cursor = dest_chars[i];
dest_chars[i] = dest_chars[n - i - 1];
dest_chars[n - i - 1] = cursor;
}
}
#define LOAD_DATA(m, o, i, s) \
do { \
RANGE_CHECK((&m), m.size - o - s, s); \
load_data(&(m.data[m.size - o - s]), i, s); \
} while (0)
#define DEFINE_LOAD(name, t1, t2, t3) \
static inline t3 name(wasm_rt_memory_t* mem, u64 addr) { \
MEMCHECK(mem, addr, t1); \
t1 result; \
wasm_rt_memcpy(&result, &mem->data[mem->size - addr - sizeof(t1)], \
sizeof(t1)); \
return (t3)(t2)result; \
}
#define DEFINE_STORE(name, t1, t2) \
static inline void name(wasm_rt_memory_t* mem, u64 addr, t2 value) { \
MEMCHECK(mem, addr, t1); \
t1 wrapped = (t1)value; \
wasm_rt_memcpy(&mem->data[mem->size - addr - sizeof(t1)], &wrapped, \
sizeof(t1)); \
}
#else
static inline void load_data(void *dest, const void *src, size_t n) {
memcpy(dest, src, n);
}
#define LOAD_DATA(m, o, i, s) do { \
RANGE_CHECK((&m), o, s); \
load_data(&(m.data[o]), i, s); \
} while (0)
#define DEFINE_LOAD(name, t1, t2, t3) \
static inline t3 name(wasm_rt_memory_t* mem, u64 addr) { \
MEMCHECK(mem, addr, t1); \
t1 result; \
wasm_rt_memcpy(&result, &mem->data[addr], sizeof(t1)); \
return (t3)(t2)result; \
}
#define DEFINE_STORE(name, t1, t2) \
static inline void name(wasm_rt_memory_t* mem, u64 addr, t2 value) { \
MEMCHECK(mem, addr, t1); \
t1 wrapped = (t1)value; \
wasm_rt_memcpy(&mem->data[addr], &wrapped, sizeof(t1)); \
}
#endif
DEFINE_LOAD(i32_load, u32, u32, u32)
DEFINE_LOAD(i64_load, u64, u64, u64)
DEFINE_LOAD(f32_load, f32, f32, f32)
DEFINE_LOAD(f64_load, f64, f64, f64)
DEFINE_LOAD(i32_load8_s, s8, s32, u32)
DEFINE_LOAD(i64_load8_s, s8, s64, u64)
DEFINE_LOAD(i32_load8_u, u8, u32, u32)
DEFINE_LOAD(i64_load8_u, u8, u64, u64)
DEFINE_LOAD(i32_load16_s, s16, s32, u32)
DEFINE_LOAD(i64_load16_s, s16, s64, u64)
DEFINE_LOAD(i32_load16_u, u16, u32, u32)
DEFINE_LOAD(i64_load16_u, u16, u64, u64)
DEFINE_LOAD(i64_load32_s, s32, s64, u64)
DEFINE_LOAD(i64_load32_u, u32, u64, u64)
DEFINE_STORE(i32_store, u32, u32)
DEFINE_STORE(i64_store, u64, u64)
DEFINE_STORE(f32_store, f32, f32)
DEFINE_STORE(f64_store, f64, f64)
DEFINE_STORE(i32_store8, u8, u32)
DEFINE_STORE(i32_store16, u16, u32)
DEFINE_STORE(i64_store8, u8, u64)
DEFINE_STORE(i64_store16, u16, u64)
DEFINE_STORE(i64_store32, u32, u64)
#if defined(_MSC_VER)
#include <intrin.h>
// Adapted from
// https://github.com/nemequ/portable-snippets/blob/master/builtin/builtin.h
static inline int I64_CLZ(unsigned long long v) {
unsigned long r = 0;
#if defined(_M_AMD64) || defined(_M_ARM)
if (_BitScanReverse64(&r, v)) {
return 63 - r;
}
#else
if (_BitScanReverse(&r, (unsigned long) (v >> 32))) {
return 31 - r;
} else if (_BitScanReverse(&r, (unsigned long) v)) {
return 63 - r;
}
#endif
return 64;
}
static inline int I32_CLZ(unsigned long v) {
unsigned long r = 0;
if (_BitScanReverse(&r, v)) {
return 31 - r;
}
return 32;
}
static inline int I64_CTZ(unsigned long long v) {
if (!v) {
return 64;
}
unsigned long r = 0;
#if defined(_M_AMD64) || defined(_M_ARM)
_BitScanForward64(&r, v);
return (int) r;
#else
if (_BitScanForward(&r, (unsigned int) (v))) {
return (int) (r);
}
_BitScanForward(&r, (unsigned int) (v >> 32));
return (int) (r + 32);
#endif
}
static inline int I32_CTZ(unsigned long v) {
if (!v) {
return 32;
}
unsigned long r = 0;
_BitScanForward(&r, v);
return (int) r;
}
#define POPCOUNT_DEFINE_PORTABLE(f_n, T) \
static inline u32 f_n(T x) { \
x = x - ((x >> 1) & (T)~(T)0/3); \
x = (x & (T)~(T)0/15*3) + ((x >> 2) & (T)~(T)0/15*3); \
x = (x + (x >> 4)) & (T)~(T)0/255*15; \
return (T)(x * ((T)~(T)0/255)) >> (sizeof(T) - 1) * 8; \
}
POPCOUNT_DEFINE_PORTABLE(I32_POPCNT, u32)
POPCOUNT_DEFINE_PORTABLE(I64_POPCNT, u64)
#undef POPCOUNT_DEFINE_PORTABLE
#else
#define I32_CLZ(x) ((x) ? __builtin_clz(x) : 32)
#define I64_CLZ(x) ((x) ? __builtin_clzll(x) : 64)
#define I32_CTZ(x) ((x) ? __builtin_ctz(x) : 32)
#define I64_CTZ(x) ((x) ? __builtin_ctzll(x) : 64)
#define I32_POPCNT(x) (__builtin_popcount(x))
#define I64_POPCNT(x) (__builtin_popcountll(x))
#endif
#define DIV_S(ut, min, x, y) \
((UNLIKELY((y) == 0)) ? TRAP(DIV_BY_ZERO) \
: (UNLIKELY((x) == min && (y) == -1)) ? TRAP(INT_OVERFLOW) \
: (ut)((x) / (y)))
#define REM_S(ut, min, x, y) \
((UNLIKELY((y) == 0)) ? TRAP(DIV_BY_ZERO) \
: (UNLIKELY((x) == min && (y) == -1)) ? 0 \
: (ut)((x) % (y)))
#define I32_DIV_S(x, y) DIV_S(u32, INT32_MIN, (s32)x, (s32)y)
#define I64_DIV_S(x, y) DIV_S(u64, INT64_MIN, (s64)x, (s64)y)
#define I32_REM_S(x, y) REM_S(u32, INT32_MIN, (s32)x, (s32)y)
#define I64_REM_S(x, y) REM_S(u64, INT64_MIN, (s64)x, (s64)y)
#define DIVREM_U(op, x, y) \
((UNLIKELY((y) == 0)) ? TRAP(DIV_BY_ZERO) : ((x) op (y)))
#define DIV_U(x, y) DIVREM_U(/, x, y)
#define REM_U(x, y) DIVREM_U(%, x, y)
#define ROTL(x, y, mask) \
(((x) << ((y) & (mask))) | ((x) >> (((mask) - (y) + 1) & (mask))))
#define ROTR(x, y, mask) \
(((x) >> ((y) & (mask))) | ((x) << (((mask) - (y) + 1) & (mask))))
#define I32_ROTL(x, y) ROTL(x, y, 31)
#define I64_ROTL(x, y) ROTL(x, y, 63)
#define I32_ROTR(x, y) ROTR(x, y, 31)
#define I64_ROTR(x, y) ROTR(x, y, 63)
#define FMIN(x, y) \
((UNLIKELY((x) != (x))) ? NAN \
: (UNLIKELY((y) != (y))) ? NAN \
: (UNLIKELY((x) == 0 && (y) == 0)) ? (signbit(x) ? x : y) \
: (x < y) ? x : y)
#define FMAX(x, y) \
((UNLIKELY((x) != (x))) ? NAN \
: (UNLIKELY((y) != (y))) ? NAN \
: (UNLIKELY((x) == 0 && (y) == 0)) ? (signbit(x) ? y : x) \
: (x > y) ? x : y)
#define TRUNC_S(ut, st, ft, min, minop, max, x) \
((UNLIKELY((x) != (x))) ? TRAP(INVALID_CONVERSION) \
: (UNLIKELY(!((x)minop(min) && (x) < (max)))) ? TRAP(INT_OVERFLOW) \
: (ut)(st)(x))
#define I32_TRUNC_S_F32(x) TRUNC_S(u32, s32, f32, (f32)INT32_MIN, >=, 2147483648.f, x)
#define I64_TRUNC_S_F32(x) TRUNC_S(u64, s64, f32, (f32)INT64_MIN, >=, (f32)INT64_MAX, x)
#define I32_TRUNC_S_F64(x) TRUNC_S(u32, s32, f64, -2147483649., >, 2147483648., x)
#define I64_TRUNC_S_F64(x) TRUNC_S(u64, s64, f64, (f64)INT64_MIN, >=, (f64)INT64_MAX, x)
#define TRUNC_U(ut, ft, max, x) \
((UNLIKELY((x) != (x))) ? TRAP(INVALID_CONVERSION) \
: (UNLIKELY(!((x) > (ft)-1 && (x) < (max)))) ? TRAP(INT_OVERFLOW) \
: (ut)(x))
#define I32_TRUNC_U_F32(x) TRUNC_U(u32, f32, 4294967296.f, x)
#define I64_TRUNC_U_F32(x) TRUNC_U(u64, f32, (f32)UINT64_MAX, x)
#define I32_TRUNC_U_F64(x) TRUNC_U(u32, f64, 4294967296., x)
#define I64_TRUNC_U_F64(x) TRUNC_U(u64, f64, (f64)UINT64_MAX, x)
#define TRUNC_SAT_S(ut, st, ft, min, smin, minop, max, smax, x) \
((UNLIKELY((x) != (x))) ? 0 \
: (UNLIKELY(!((x)minop(min)))) ? smin \
: (UNLIKELY(!((x) < (max)))) ? smax \
: (ut)(st)(x))
#define I32_TRUNC_SAT_S_F32(x) TRUNC_SAT_S(u32, s32, f32, (f32)INT32_MIN, INT32_MIN, >=, 2147483648.f, INT32_MAX, x)
#define I64_TRUNC_SAT_S_F32(x) TRUNC_SAT_S(u64, s64, f32, (f32)INT64_MIN, INT64_MIN, >=, (f32)INT64_MAX, INT64_MAX, x)
#define I32_TRUNC_SAT_S_F64(x) TRUNC_SAT_S(u32, s32, f64, -2147483649., INT32_MIN, >, 2147483648., INT32_MAX, x)
#define I64_TRUNC_SAT_S_F64(x) TRUNC_SAT_S(u64, s64, f64, (f64)INT64_MIN, INT64_MIN, >=, (f64)INT64_MAX, INT64_MAX, x)
#define TRUNC_SAT_U(ut, ft, max, smax, x) \
((UNLIKELY((x) != (x))) ? 0 \
: (UNLIKELY(!((x) > (ft)-1))) ? 0 \
: (UNLIKELY(!((x) < (max)))) ? smax \
: (ut)(x))
#define I32_TRUNC_SAT_U_F32(x) TRUNC_SAT_U(u32, f32, 4294967296.f, UINT32_MAX, x)
#define I64_TRUNC_SAT_U_F32(x) TRUNC_SAT_U(u64, f32, (f32)UINT64_MAX, UINT64_MAX, x)
#define I32_TRUNC_SAT_U_F64(x) TRUNC_SAT_U(u32, f64, 4294967296., UINT32_MAX, x)
#define I64_TRUNC_SAT_U_F64(x) TRUNC_SAT_U(u64, f64, (f64)UINT64_MAX, UINT64_MAX, x)
#define DEFINE_REINTERPRET(name, t1, t2) \
static inline t2 name(t1 x) { \
t2 result; \
memcpy(&result, &x, sizeof(result)); \
return result; \
}
DEFINE_REINTERPRET(f32_reinterpret_i32, u32, f32)
DEFINE_REINTERPRET(i32_reinterpret_f32, f32, u32)
DEFINE_REINTERPRET(f64_reinterpret_i64, u64, f64)
DEFINE_REINTERPRET(i64_reinterpret_f64, f64, u64)
static u32 func_types[1];
static void init_func_types(void) {
func_types[0] = wasm_rt_register_func_type(1, 1, WASM_RT_I32, WASM_RT_I32);
}
static u32 w2c_fac(u32);
static void init_globals(void) {
}
static u32 w2c_fac(u32 w2c_p0) {
FUNC_PROLOGUE;
u32 w2c_i0, w2c_i1, w2c_i2;
w2c_i0 = w2c_p0;
w2c_i1 = 0u;
w2c_i0 = w2c_i0 == w2c_i1;
if (w2c_i0) {
w2c_i0 = 1u;
} else {
w2c_i0 = w2c_p0;
w2c_i1 = w2c_p0;
w2c_i2 = 1u;
w2c_i1 -= w2c_i2;
w2c_i1 = w2c_fac(w2c_i1);
w2c_i0 *= w2c_i1;
}
FUNC_EPILOGUE;
return w2c_i0;
}
static void init_memory(void) {
}
static void init_table(void) {
uint32_t offset;
}
/* export: 'fac' */
u32 (*WASM_RT_ADD_PREFIX(Z_fac))(u32);
static void init_exports(void) {
/* export: 'fac' */
WASM_RT_ADD_PREFIX(Z_fac) = (&w2c_fac);
}
void WASM_RT_ADD_PREFIX(init)(void) {
init_func_types();
init_globals();
init_memory();
init_table();
init_exports();
}
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