diff options
Diffstat (limited to 'soft-fp/single.h')
| -rw-r--r-- | soft-fp/single.h | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/soft-fp/single.h b/soft-fp/single.h index b571d5058a..9c3734adf4 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), @@ -12,6 +12,15 @@ License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU @@ -19,30 +28,36 @@ 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, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ #if _FP_W_TYPE_SIZE < 32 #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 +93,18 @@ 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 +118,19 @@ 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) @@ -102,6 +142,7 @@ union _FP_UNION_S #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) #define FP_TO_INT_S(r,X,rsz,rsg) _FP_TO_INT(S,1,r,X,rsz,rsg) #define FP_FROM_INT_S(X,r,rs,rt) _FP_FROM_INT(S,1,X,r,rs,rt) |