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mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
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

View File

@ -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)