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Diffstat (limited to 'jslinux-2019-12-21/tinyemu-2019-12-21/softfp.h')
| -rw-r--r-- | jslinux-2019-12-21/tinyemu-2019-12-21/softfp.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/jslinux-2019-12-21/tinyemu-2019-12-21/softfp.h b/jslinux-2019-12-21/tinyemu-2019-12-21/softfp.h new file mode 100644 index 0000000..974c7ec --- /dev/null +++ b/jslinux-2019-12-21/tinyemu-2019-12-21/softfp.h @@ -0,0 +1,181 @@ +/* + * SoftFP Library + * + * Copyright (c) 2016 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef SOFTFP_H +#define SOFTFP_H + +#include <inttypes.h> +#include "cutils.h" + +typedef enum { + RM_RNE, /* Round to Nearest, ties to Even */ + RM_RTZ, /* Round towards Zero */ + RM_RDN, /* Round Down */ + RM_RUP, /* Round Up */ + RM_RMM, /* Round to Nearest, ties to Max Magnitude */ +} RoundingModeEnum; + +#define FFLAG_INVALID_OP (1 << 4) +#define FFLAG_DIVIDE_ZERO (1 << 3) +#define FFLAG_OVERFLOW (1 << 2) +#define FFLAG_UNDERFLOW (1 << 1) +#define FFLAG_INEXACT (1 << 0) + +#define FCLASS_NINF (1 << 0) +#define FCLASS_NNORMAL (1 << 1) +#define FCLASS_NSUBNORMAL (1 << 2) +#define FCLASS_NZERO (1 << 3) +#define FCLASS_PZERO (1 << 4) +#define FCLASS_PSUBNORMAL (1 << 5) +#define FCLASS_PNORMAL (1 << 6) +#define FCLASS_PINF (1 << 7) +#define FCLASS_SNAN (1 << 8) +#define FCLASS_QNAN (1 << 9) + +typedef enum { + FMINMAX_PROP, /* min(1, qNaN/sNaN) -> qNaN */ + FMINMAX_IEEE754_2008, /* min(1, qNaN) -> 1, min(1, sNaN) -> qNaN */ + FMINMAX_IEEE754_201X, /* min(1, qNaN/sNaN) -> 1 */ +} SoftFPMinMaxTypeEnum; + +typedef uint32_t sfloat32; +typedef uint64_t sfloat64; +#ifdef HAVE_INT128 +typedef uint128_t sfloat128; +#endif + +/* 32 bit floats */ + +#define FSIGN_MASK32 (1 << 31) + +sfloat32 add_sf32(sfloat32 a, sfloat32 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 sub_sf32(sfloat32 a, sfloat32 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 mul_sf32(sfloat32 a, sfloat32 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 div_sf32(sfloat32 a, sfloat32 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 sqrt_sf32(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 fma_sf32(sfloat32 a, sfloat32 b, sfloat32 c, RoundingModeEnum rm, uint32_t *pfflags); + +sfloat32 min_sf32(sfloat32 a, sfloat32 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +sfloat32 max_sf32(sfloat32 a, sfloat32 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +int eq_quiet_sf32(sfloat32 a, sfloat32 b, uint32_t *pfflags); +int le_sf32(sfloat32 a, sfloat32 b, uint32_t *pfflags); +int lt_sf32(sfloat32 a, sfloat32 b, uint32_t *pfflags); +uint32_t fclass_sf32(sfloat32 a); + +sfloat64 cvt_sf32_sf64(sfloat32 a, uint32_t *pfflags); +sfloat32 cvt_sf64_sf32(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +int32_t cvt_sf32_i32(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +uint32_t cvt_sf32_u32(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +int64_t cvt_sf32_i64(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +uint64_t cvt_sf32_u64(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +#ifdef HAVE_INT128 +int128_t cvt_sf32_i128(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +uint128_t cvt_sf32_u128(sfloat32 a, RoundingModeEnum rm, uint32_t *pfflags); +#endif +sfloat32 cvt_i32_sf32(int32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 cvt_u32_sf32(uint32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 cvt_i64_sf32(int64_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 cvt_u64_sf32(uint64_t a, RoundingModeEnum rm, uint32_t *pfflags); +#ifdef HAVE_INT128 +sfloat32 cvt_i128_sf32(int128_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat32 cvt_u128_sf32(uint128_t a, RoundingModeEnum rm, uint32_t *pfflags); +#endif + +/* 64 bit floats */ + +#define FSIGN_MASK64 ((uint64_t)1 << 63) + +sfloat64 add_sf64(sfloat64 a, sfloat64 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 sub_sf64(sfloat64 a, sfloat64 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 mul_sf64(sfloat64 a, sfloat64 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 div_sf64(sfloat64 a, sfloat64 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 sqrt_sf64(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 fma_sf64(sfloat64 a, sfloat64 b, sfloat64 c, RoundingModeEnum rm, uint32_t *pfflags); + +sfloat64 min_sf64(sfloat64 a, sfloat64 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +sfloat64 max_sf64(sfloat64 a, sfloat64 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +int eq_quiet_sf64(sfloat64 a, sfloat64 b, uint32_t *pfflags); +int le_sf64(sfloat64 a, sfloat64 b, uint32_t *pfflags); +int lt_sf64(sfloat64 a, sfloat64 b, uint32_t *pfflags); +uint32_t fclass_sf64(sfloat64 a); + +sfloat64 cvt_sf32_sf64(sfloat32 a, uint32_t *pfflags); +sfloat32 cvt_sf64_sf32(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +int32_t cvt_sf64_i32(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +uint32_t cvt_sf64_u32(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +int64_t cvt_sf64_i64(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +uint64_t cvt_sf64_u64(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +#ifdef HAVE_INT128 +int128_t cvt_sf64_i128(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +uint128_t cvt_sf64_u128(sfloat64 a, RoundingModeEnum rm, uint32_t *pfflags); +#endif +sfloat64 cvt_i32_sf64(int32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 cvt_u32_sf64(uint32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 cvt_i64_sf64(int64_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 cvt_u64_sf64(uint64_t a, RoundingModeEnum rm, uint32_t *pfflags); +#ifdef HAVE_INT128 +sfloat64 cvt_i128_sf64(int128_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat64 cvt_u128_sf64(uint128_t a, RoundingModeEnum rm, uint32_t *pfflags); +#endif + +/* 128 bit floats */ + +#ifdef HAVE_INT128 + +#define FSIGN_MASK128 ((uint128_t)1 << 127) + +sfloat128 add_sf128(sfloat128 a, sfloat128 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 sub_sf128(sfloat128 a, sfloat128 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 mul_sf128(sfloat128 a, sfloat128 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 div_sf128(sfloat128 a, sfloat128 b, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 sqrt_sf128(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 fma_sf128(sfloat128 a, sfloat128 b, sfloat128 c, RoundingModeEnum rm, uint32_t *pfflags); + +sfloat128 min_sf128(sfloat128 a, sfloat128 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +sfloat128 max_sf128(sfloat128 a, sfloat128 b, uint32_t *pfflags, SoftFPMinMaxTypeEnum minmax_type); +int eq_quiet_sf128(sfloat128 a, sfloat128 b, uint32_t *pfflags); +int le_sf128(sfloat128 a, sfloat128 b, uint32_t *pfflags); +int lt_sf128(sfloat128 a, sfloat128 b, uint32_t *pfflags); +uint32_t fclass_sf128(sfloat128 a); + +sfloat128 cvt_sf32_sf128(sfloat32 a, uint32_t *pfflags); +sfloat32 cvt_sf128_sf32(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_sf64_sf128(sfloat64 a, uint32_t *pfflags); +sfloat64 cvt_sf128_sf64(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); + +int32_t cvt_sf128_i32(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +uint32_t cvt_sf128_u32(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +int64_t cvt_sf128_i64(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +uint64_t cvt_sf128_u64(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +int128_t cvt_sf128_i128(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +uint128_t cvt_sf128_u128(sfloat128 a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_i32_sf128(int32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_u32_sf128(uint32_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_i64_sf128(int64_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_u64_sf128(uint64_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_i128_sf128(int128_t a, RoundingModeEnum rm, uint32_t *pfflags); +sfloat128 cvt_u128_sf128(uint128_t a, RoundingModeEnum rm, uint32_t *pfflags); + +#endif + +#endif /* SOFTFP_H */ |
