diff options
Diffstat (limited to 'soft-fp/single.h')
| -rw-r--r-- | soft-fp/single.h | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/soft-fp/single.h b/soft-fp/single.h index 094dc3c..ffb3178 100644 --- a/soft-fp/single.h +++ b/soft-fp/single.h @@ -1,6 +1,6 @@ /* Software floating-point emulation. Definitions for IEEE Single 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), @@ -26,23 +26,29 @@ #error "Here's a nickel kid. Go buy yourself a real computer." #endif +#define _FP_FRACTBITS_S _FP_W_TYPE_SIZE + #define _FP_FRACBITS_S 24 -#define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _FP_FRACBITS_S) +#define _FP_FRACXBITS_S (_FP_FRACTBITS_S - _FP_FRACBITS_S) #define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S) -#define _FP_WFRACXBITS_S (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S) +#define _FP_WFRACXBITS_S (_FP_FRACTBITS_S - _FP_WFRACBITS_S) #define _FP_EXPBITS_S 8 #define _FP_EXPBIAS_S 127 #define _FP_EXPMAX_S 255 #define _FP_QNANBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2)) +#define _FP_QNANBIT_SH_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2+_FP_WORKBITS)) #define _FP_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1)) +#define _FP_IMPLBIT_SH_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1+_FP_WORKBITS)) #define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S)) /* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be chosen by the target machine. */ +typedef float SFtype __attribute__((mode(SF))); + union _FP_UNION_S { - float flt; + SFtype flt; struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; @@ -78,6 +84,18 @@ union _FP_UNION_S _FP_UNPACK_CANONICAL(S,1,X); \ } while (0) +#define FP_UNPACK_SEMIRAW_S(X,val) \ + do { \ + _FP_UNPACK_RAW_1(S,X,val); \ + _FP_UNPACK_SEMIRAW(S,1,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_SP(X,val) \ + do { \ + _FP_UNPACK_RAW_1_P(S,X,val); \ + _FP_UNPACK_SEMIRAW(S,1,X); \ + } while (0) + #define FP_PACK_S(val,X) \ do { \ _FP_PACK_CANONICAL(S,1,X); \ @@ -91,6 +109,19 @@ union _FP_UNION_S _FP_PACK_RAW_1_P(S,val,X); \ } while (0) +#define FP_PACK_SEMIRAW_S(val,X) \ + do { \ + _FP_PACK_SEMIRAW(S,1,X); \ + _FP_PACK_RAW_1(S,val,X); \ + } while (0) + +#define FP_PACK_SEMIRAW_SP(val,X) \ + do { \ + _FP_PACK_SEMIRAW(S,1,X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_1_P(S,val,X); \ + } while (0) + #define FP_ISSIGNAN_S(X) _FP_ISSIGNAN(S,1,X) #define FP_NEG_S(R,X) _FP_NEG(S,1,R,X) #define FP_ADD_S(R,X,Y) _FP_ADD(S,1,R,X,Y) |