diff options
Diffstat (limited to 'soft-fp/double.h')
| -rw-r--r-- | soft-fp/double.h | 62 |
1 files changed, 59 insertions, 3 deletions
diff --git a/soft-fp/double.h b/soft-fp/double.h index 4d66c8d..86fd8ad 100644 --- a/soft-fp/double.h +++ b/soft-fp/double.h @@ -1,6 +1,6 @@ /* Software floating-point emulation. Definitions for IEEE Double Precision - Copyright (C) 1997,1998,1999 Free Software Foundation, Inc. + Copyright (C) 1997,1998,1999,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson (rth@cygnus.com), Jakub Jelinek (jj@ultra.linux.cz), @@ -42,16 +42,22 @@ #define _FP_QNANBIT_D \ ((_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) #define _FP_IMPLBIT_D \ ((_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) #define _FP_OVERFLOW_D \ ((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE) +typedef float DFtype __attribute__((mode(DF))); + #if _FP_W_TYPE_SIZE < 64 union _FP_UNION_D { - double flt; + DFtype flt; struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; @@ -89,6 +95,18 @@ union _FP_UNION_D _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); \ @@ -102,6 +120,19 @@ union _FP_UNION_D _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) @@ -125,7 +156,7 @@ union _FP_UNION_D union _FP_UNION_D { - double flt; + DFtype flt; struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; @@ -161,6 +192,18 @@ union _FP_UNION_D _FP_UNPACK_CANONICAL(D,1,X); \ } while (0) +#define FP_UNPACK_SEMIRAW_D(X,val) \ + do { \ + _FP_UNPACK_RAW_2(1,X,val); \ + _FP_UNPACK_SEMIRAW(D,1,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_DP(X,val) \ + do { \ + _FP_UNPACK_RAW_2_P(1,X,val); \ + _FP_UNPACK_SEMIRAW(D,1,X); \ + } while (0) + #define FP_PACK_D(val,X) \ do { \ _FP_PACK_CANONICAL(D,1,X); \ @@ -174,6 +217,19 @@ union _FP_UNION_D _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) |