X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=soft-fp%2Fsingle.h;h=c94f31f99b0cb63109166e10e86042e034ad158c;hb=77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5;hp=9c3734adf48f68a7289d30aaf48f09b599ef8960;hpb=638a783c1158aa469c86b70e3cf2b6c443632087;p=thirdparty%2Fglibc.git diff --git a/soft-fp/single.h b/soft-fp/single.h index 9c3734adf48..c94f31f99b0 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) 1997,1998,1999,2006 Free Software Foundation, Inc. + Copyright (C) 1997-2013 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), @@ -27,9 +27,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ + License along with the GNU C Library; if not, see + . */ #if _FP_W_TYPE_SIZE < 32 #error "Here's a nickel kid. Go buy yourself a real computer." @@ -37,6 +36,12 @@ #define _FP_FRACTBITS_S _FP_W_TYPE_SIZE +#if _FP_W_TYPE_SIZE < 64 +# define _FP_FRACTBITS_DW_S (2 * _FP_W_TYPE_SIZE) +#else +# define _FP_FRACTBITS_DW_S _FP_W_TYPE_SIZE +#endif + #define _FP_FRACBITS_S 24 #define _FP_FRACXBITS_S (_FP_FRACTBITS_S - _FP_FRACBITS_S) #define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S) @@ -50,6 +55,11 @@ #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)) +#define _FP_WFRACBITS_DW_S (2 * _FP_WFRACBITS_S) +#define _FP_WFRACXBITS_DW_S (_FP_FRACTBITS_DW_S - _FP_WFRACBITS_DW_S) +#define _FP_HIGHBIT_DW_S \ + ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_S - 1) % _FP_W_TYPE_SIZE) + /* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be chosen by the target machine. */ @@ -58,7 +68,7 @@ typedef float SFtype __attribute__((mode(SF))); union _FP_UNION_S { SFtype flt; - struct { + struct _FP_STRUCT_LAYOUT { #if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; unsigned exp : _FP_EXPBITS_S; @@ -140,6 +150,12 @@ union _FP_UNION_S #define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X) #define _FP_SQRT_MEAT_S(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q) +#if _FP_W_TYPE_SIZE < 64 +# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 2, R, X, Y, Z) +#else +# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 1, R, X, Y, Z) +#endif + #define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un) #define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y) #define FP_CMP_UNORD_S(r,X,Y) _FP_CMP_UNORD(S,1,r,X,Y) @@ -149,3 +165,9 @@ union _FP_UNION_S #define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X) #define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X) + +#if _FP_W_TYPE_SIZE < 64 +# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_2(X) +#else +# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_1(X) +#endif