diff options
Diffstat (limited to 'soft-fp/double.h')
| -rw-r--r-- | soft-fp/double.h | 77 |
1 files changed, 72 insertions, 5 deletions
diff --git a/soft-fp/double.h b/soft-fp/double.h index c659adec62..c8f4420af8 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), @@ -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 @@ -19,8 +28,8 @@ 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." @@ -42,16 +51,22 @@ #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 +104,18 @@ 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 +129,19 @@ 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) @@ -113,6 +153,7 @@ union _FP_UNION_D #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) @@ -124,7 +165,7 @@ union _FP_UNION_D union _FP_UNION_D { - double flt; + DFtype flt; struct { #if __BYTE_ORDER == __BIG_ENDIAN unsigned sign : 1; @@ -160,6 +201,18 @@ 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); \ @@ -173,6 +226,19 @@ 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) @@ -187,6 +253,7 @@ union _FP_UNION_D #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) |