diff options
Diffstat (limited to 'libgcc/soft-fp/double.h')
| -rw-r--r-- | libgcc/soft-fp/double.h | 395 |
1 files changed, 223 insertions, 172 deletions
diff --git a/libgcc/soft-fp/double.h b/libgcc/soft-fp/double.h index 759c2eb661a..ef4576707a7 100644 --- a/libgcc/soft-fp/double.h +++ b/libgcc/soft-fp/double.h @@ -31,13 +31,15 @@ <http://www.gnu.org/licenses/>. */ #if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel kid. Go buy yourself a real computer." +# error "Here's a nickel kid. Go buy yourself a real computer." #endif #if _FP_W_TYPE_SIZE < 64 -#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE) +# define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE) +# define _FP_FRACTBITS_DW_D (4 * _FP_W_TYPE_SIZE) #else -#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE +# define _FP_FRACTBITS_D _FP_W_TYPE_SIZE +# define _FP_FRACTBITS_DW_D (2 * _FP_W_TYPE_SIZE) #endif #define _FP_FRACBITS_D 53 @@ -49,215 +51,264 @@ #define _FP_EXPMAX_D 2047 #define _FP_QNANBIT_D \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE) + ((_FP_W_TYPE) 1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE) #define _FP_QNANBIT_SH_D \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE) + ((_FP_W_TYPE) 1 << (_FP_FRACBITS_D-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE) #define _FP_IMPLBIT_D \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE) + ((_FP_W_TYPE) 1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE) #define _FP_IMPLBIT_SH_D \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE) + ((_FP_W_TYPE) 1 << (_FP_FRACBITS_D-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE) #define _FP_OVERFLOW_D \ - ((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE) + ((_FP_W_TYPE) 1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE) -typedef float DFtype __attribute__((mode(DF))); +#define _FP_WFRACBITS_DW_D (2 * _FP_WFRACBITS_D) +#define _FP_WFRACXBITS_DW_D (_FP_FRACTBITS_DW_D - _FP_WFRACBITS_DW_D) +#define _FP_HIGHBIT_DW_D \ + ((_FP_W_TYPE) 1 << (_FP_WFRACBITS_DW_D - 1) % _FP_W_TYPE_SIZE) + +typedef float DFtype __attribute__ ((mode (DF))); #if _FP_W_TYPE_SIZE < 64 union _FP_UNION_D { DFtype flt; - struct _FP_STRUCT_LAYOUT { -#if __BYTE_ORDER == __BIG_ENDIAN + struct _FP_STRUCT_LAYOUT + { +# if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; unsigned exp : _FP_EXPBITS_D; unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; unsigned frac0 : _FP_W_TYPE_SIZE; -#else +# else unsigned frac0 : _FP_W_TYPE_SIZE; unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; unsigned exp : _FP_EXPBITS_D; unsigned sign : 1; -#endif - } bits __attribute__((packed)); +# endif + } bits __attribute__ ((packed)); }; -#define FP_DECL_D(X) _FP_DECL(2,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val) -#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_2_P(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_2(D,val,X) -#define FP_PACK_RAW_DP(val,X) \ - do { \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_2_P(D,val,X); \ - } while (0) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_2(D,X,val); \ - _FP_UNPACK_CANONICAL(D,2,X); \ - } while (0) - -#define FP_UNPACK_DP(X,val) \ - do { \ - _FP_UNPACK_RAW_2_P(D,X,val); \ - _FP_UNPACK_CANONICAL(D,2,X); \ - } while (0) - -#define FP_UNPACK_SEMIRAW_D(X,val) \ - do { \ - _FP_UNPACK_RAW_2(D,X,val); \ - _FP_UNPACK_SEMIRAW(D,2,X); \ - } while (0) - -#define FP_UNPACK_SEMIRAW_DP(X,val) \ - do { \ - _FP_UNPACK_RAW_2_P(D,X,val); \ - _FP_UNPACK_SEMIRAW(D,2,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,2,X); \ - _FP_PACK_RAW_2(D,val,X); \ - } while (0) - -#define FP_PACK_DP(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,2,X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_2_P(D,val,X); \ - } while (0) - -#define FP_PACK_SEMIRAW_D(val,X) \ - do { \ - _FP_PACK_SEMIRAW(D,2,X); \ - _FP_PACK_RAW_2(D,val,X); \ - } while (0) - -#define FP_PACK_SEMIRAW_DP(val,X) \ - do { \ - _FP_PACK_SEMIRAW(D,2,X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_2_P(D,val,X); \ - } while (0) - -#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,2,X) -#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,2,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,2,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X) -#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q) - -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y) -#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,2,r,X,Y) - -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt) - -#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2(X) -#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2(X) +# define FP_DECL_D(X) _FP_DECL (2, X) +# define FP_UNPACK_RAW_D(X, val) _FP_UNPACK_RAW_2 (D, X, val) +# define FP_UNPACK_RAW_DP(X, val) _FP_UNPACK_RAW_2_P (D, X, val) +# define FP_PACK_RAW_D(val, X) _FP_PACK_RAW_2 (D, val, X) +# define FP_PACK_RAW_DP(val, X) \ + do \ + { \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P (D, val, X); \ + } \ + while (0) + +# define FP_UNPACK_D(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_2 (D, X, val); \ + _FP_UNPACK_CANONICAL (D, 2, X); \ + } \ + while (0) + +# define FP_UNPACK_DP(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_2_P (D, X, val); \ + _FP_UNPACK_CANONICAL (D, 2, X); \ + } \ + while (0) + +# define FP_UNPACK_SEMIRAW_D(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_2 (D, X, val); \ + _FP_UNPACK_SEMIRAW (D, 2, X); \ + } \ + while (0) + +# define FP_UNPACK_SEMIRAW_DP(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_2_P (D, X, val); \ + _FP_UNPACK_SEMIRAW (D, 2, X); \ + } \ + while (0) + +# define FP_PACK_D(val, X) \ + do \ + { \ + _FP_PACK_CANONICAL (D, 2, X); \ + _FP_PACK_RAW_2 (D, val, X); \ + } \ + while (0) + +# define FP_PACK_DP(val, X) \ + do \ + { \ + _FP_PACK_CANONICAL (D, 2, X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P (D, val, X); \ + } \ + while (0) + +# define FP_PACK_SEMIRAW_D(val, X) \ + do \ + { \ + _FP_PACK_SEMIRAW (D, 2, X); \ + _FP_PACK_RAW_2 (D, val, X); \ + } \ + while (0) + +# define FP_PACK_SEMIRAW_DP(val, X) \ + do \ + { \ + _FP_PACK_SEMIRAW (D, 2, X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P (D, val, X); \ + } \ + while (0) + +# define FP_ISSIGNAN_D(X) _FP_ISSIGNAN (D, 2, X) +# define FP_NEG_D(R, X) _FP_NEG (D, 2, R, X) +# define FP_ADD_D(R, X, Y) _FP_ADD (D, 2, R, X, Y) +# define FP_SUB_D(R, X, Y) _FP_SUB (D, 2, R, X, Y) +# define FP_MUL_D(R, X, Y) _FP_MUL (D, 2, R, X, Y) +# define FP_DIV_D(R, X, Y) _FP_DIV (D, 2, R, X, Y) +# define FP_SQRT_D(R, X) _FP_SQRT (D, 2, R, X) +# define _FP_SQRT_MEAT_D(R, S, T, X, Q) _FP_SQRT_MEAT_2 (R, S, T, X, Q) +# define FP_FMA_D(R, X, Y, Z) _FP_FMA (D, 2, 4, R, X, Y, Z) + +# define FP_CMP_D(r, X, Y, un) _FP_CMP (D, 2, r, X, Y, un) +# define FP_CMP_EQ_D(r, X, Y) _FP_CMP_EQ (D, 2, r, X, Y) +# define FP_CMP_UNORD_D(r, X, Y) _FP_CMP_UNORD (D, 2, r, X, Y) + +# define FP_TO_INT_D(r, X, rsz, rsg) _FP_TO_INT (D, 2, r, X, rsz, rsg) +# define FP_FROM_INT_D(X, r, rs, rt) _FP_FROM_INT (D, 2, X, r, rs, rt) + +# define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2 (X) +# define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2 (X) + +# define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_4 (X) #else union _FP_UNION_D { DFtype flt; - struct _FP_STRUCT_LAYOUT { -#if __BYTE_ORDER == __BIG_ENDIAN + struct _FP_STRUCT_LAYOUT + { +# if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; unsigned exp : _FP_EXPBITS_D; _FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); -#else +# else _FP_W_TYPE frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); unsigned exp : _FP_EXPBITS_D; unsigned sign : 1; -#endif - } bits __attribute__((packed)); +# endif + } bits __attribute__ ((packed)); }; -#define FP_DECL_D(X) _FP_DECL(1,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_1(D,X,val) -#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_1_P(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_1(D,val,X) -#define FP_PACK_RAW_DP(val,X) \ - do { \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P(D,val,X); \ - } while (0) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_1(D,X,val); \ - _FP_UNPACK_CANONICAL(D,1,X); \ - } while (0) - -#define FP_UNPACK_DP(X,val) \ - do { \ - _FP_UNPACK_RAW_1_P(D,X,val); \ - _FP_UNPACK_CANONICAL(D,1,X); \ - } while (0) - -#define FP_UNPACK_SEMIRAW_D(X,val) \ - do { \ - _FP_UNPACK_RAW_1(D,X,val); \ - _FP_UNPACK_SEMIRAW(D,1,X); \ - } while (0) - -#define FP_UNPACK_SEMIRAW_DP(X,val) \ - do { \ - _FP_UNPACK_RAW_1_P(D,X,val); \ - _FP_UNPACK_SEMIRAW(D,1,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,1,X); \ - _FP_PACK_RAW_1(D,val,X); \ - } while (0) - -#define FP_PACK_DP(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,1,X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P(D,val,X); \ - } while (0) - -#define FP_PACK_SEMIRAW_D(val,X) \ - do { \ - _FP_PACK_SEMIRAW(D,1,X); \ - _FP_PACK_RAW_1(D,val,X); \ - } while (0) - -#define FP_PACK_SEMIRAW_DP(val,X) \ - do { \ - _FP_PACK_SEMIRAW(D,1,X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P(D,val,X); \ - } while (0) - -#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,1,X) -#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,1,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,1,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X) -#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q) +# define FP_DECL_D(X) _FP_DECL (1, X) +# define FP_UNPACK_RAW_D(X, val) _FP_UNPACK_RAW_1 (D, X, val) +# define FP_UNPACK_RAW_DP(X, val) _FP_UNPACK_RAW_1_P (D, X, val) +# define FP_PACK_RAW_D(val, X) _FP_PACK_RAW_1 (D, val, X) +# define FP_PACK_RAW_DP(val, X) \ + do \ + { \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_1_P (D, val, X); \ + } \ + while (0) + +# define FP_UNPACK_D(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_1 (D, X, val); \ + _FP_UNPACK_CANONICAL (D, 1, X); \ + } \ + while (0) + +# define FP_UNPACK_DP(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_1_P (D, X, val); \ + _FP_UNPACK_CANONICAL (D, 1, X); \ + } \ + while (0) + +# define FP_UNPACK_SEMIRAW_D(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_1 (D, X, val); \ + _FP_UNPACK_SEMIRAW (D, 1, X); \ + } \ + while (0) + +# define FP_UNPACK_SEMIRAW_DP(X, val) \ + do \ + { \ + _FP_UNPACK_RAW_1_P (D, X, val); \ + _FP_UNPACK_SEMIRAW (D, 1, X); \ + } \ + while (0) + +# define FP_PACK_D(val, X) \ + do \ + { \ + _FP_PACK_CANONICAL (D, 1, X); \ + _FP_PACK_RAW_1 (D, val, X); \ + } \ + while (0) + +# define FP_PACK_DP(val, X) \ + do \ + { \ + _FP_PACK_CANONICAL (D, 1, X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_1_P (D, val, X); \ + } \ + while (0) + +# define FP_PACK_SEMIRAW_D(val, X) \ + do \ + { \ + _FP_PACK_SEMIRAW (D, 1, X); \ + _FP_PACK_RAW_1 (D, val, X); \ + } \ + while (0) + +# define FP_PACK_SEMIRAW_DP(val, X) \ + do \ + { \ + _FP_PACK_SEMIRAW (D, 1, X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_1_P (D, val, X); \ + } \ + while (0) + +# define FP_ISSIGNAN_D(X) _FP_ISSIGNAN (D, 1, X) +# define FP_NEG_D(R, X) _FP_NEG (D, 1, R, X) +# define FP_ADD_D(R, X, Y) _FP_ADD (D, 1, R, X, Y) +# define FP_SUB_D(R, X, Y) _FP_SUB (D, 1, R, X, Y) +# define FP_MUL_D(R, X, Y) _FP_MUL (D, 1, R, X, Y) +# define FP_DIV_D(R, X, Y) _FP_DIV (D, 1, R, X, Y) +# define FP_SQRT_D(R, X) _FP_SQRT (D, 1, R, X) +# define _FP_SQRT_MEAT_D(R, S, T, X, Q) _FP_SQRT_MEAT_1 (R, S, T, X, Q) +# define FP_FMA_D(R, X, Y, Z) _FP_FMA (D, 1, 2, R, X, Y, Z) /* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by the target machine. */ -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y) -#define FP_CMP_UNORD_D(r,X,Y) _FP_CMP_UNORD(D,1,r,X,Y) +# define FP_CMP_D(r, X, Y, un) _FP_CMP (D, 1, r, X, Y, un) +# define FP_CMP_EQ_D(r, X, Y) _FP_CMP_EQ (D, 1, r, X, Y) +# define FP_CMP_UNORD_D(r, X, Y) _FP_CMP_UNORD (D, 1, r, X, Y) + +# define FP_TO_INT_D(r, X, rsz, rsg) _FP_TO_INT (D, 1, r, X, rsz, rsg) +# define FP_FROM_INT_D(X, r, rs, rt) _FP_FROM_INT (D, 1, X, r, rs, rt) -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt) +# define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1 (X) +# define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1 (X) -#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1(X) -#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1(X) +# define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_2 (X) #endif /* W_TYPE_SIZE < 64 */ |
