lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

2.5-18.1

Browse Source
This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
soft-fp/single.h
View File

@ -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)