/* Software floating-point emulation.
Definitions for IEEE Single Precision.
- Copyright (C) 1997-2013 Free Software Foundation, Inc.
+ Copyright (C) 1997-2019 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),
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef SOFT_FP_SINGLE_H
+#define SOFT_FP_SINGLE_H 1
#if _FP_W_TYPE_SIZE < 32
-#error "Here's a nickel kid. Go buy yourself a real computer."
+# error "Here's a nickel kid. Go buy yourself a real computer."
#endif
#define _FP_FRACTBITS_S _FP_W_TYPE_SIZE
#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))
+#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))
#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)
+ ((_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. */
-typedef float SFtype __attribute__((mode(SF)));
+typedef float SFtype __attribute__ ((mode (SF)));
union _FP_UNION_S
{
SFtype flt;
- struct _FP_STRUCT_LAYOUT {
+ struct _FP_STRUCT_LAYOUT
+ {
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned sign : 1;
unsigned exp : _FP_EXPBITS_S;
unsigned exp : _FP_EXPBITS_S;
unsigned sign : 1;
#endif
- } bits __attribute__((packed));
+ } bits;
};
-#define FP_DECL_S(X) _FP_DECL(1,X)
-#define FP_UNPACK_RAW_S(X,val) _FP_UNPACK_RAW_1(S,X,val)
-#define FP_UNPACK_RAW_SP(X,val) _FP_UNPACK_RAW_1_P(S,X,val)
-#define FP_PACK_RAW_S(val,X) _FP_PACK_RAW_1(S,val,X)
-#define FP_PACK_RAW_SP(val,X) \
- do { \
- if (!FP_INHIBIT_RESULTS) \
- _FP_PACK_RAW_1_P(S,val,X); \
- } while (0)
-
-#define FP_UNPACK_S(X,val) \
- do { \
- _FP_UNPACK_RAW_1(S,X,val); \
- _FP_UNPACK_CANONICAL(S,1,X); \
- } while (0)
-
-#define FP_UNPACK_SP(X,val) \
- do { \
- _FP_UNPACK_RAW_1_P(S,X,val); \
- _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); \
- _FP_PACK_RAW_1(S,val,X); \
- } while (0)
-
-#define FP_PACK_SP(val,X) \
- do { \
- _FP_PACK_CANONICAL(S,1,X); \
- if (!FP_INHIBIT_RESULTS) \
- _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)
-#define FP_SUB_S(R,X,Y) _FP_SUB(S,1,R,X,Y)
-#define FP_MUL_S(R,X,Y) _FP_MUL(S,1,R,X,Y)
-#define FP_DIV_S(R,X,Y) _FP_DIV(S,1,R,X,Y)
-#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)
+#define FP_DECL_S(X) _FP_DECL (1, X)
+#define FP_UNPACK_RAW_S(X, val) _FP_UNPACK_RAW_1 (S, X, (val))
+#define FP_UNPACK_RAW_SP(X, val) _FP_UNPACK_RAW_1_P (S, X, (val))
+#define FP_PACK_RAW_S(val, X) _FP_PACK_RAW_1 (S, (val), X)
+#define FP_PACK_RAW_SP(val, X) \
+ do \
+ { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_1_P (S, (val), X); \
+ } \
+ while (0)
+
+#define FP_UNPACK_S(X, val) \
+ do \
+ { \
+ _FP_UNPACK_RAW_1 (S, X, (val)); \
+ _FP_UNPACK_CANONICAL (S, 1, X); \
+ } \
+ while (0)
+
+#define FP_UNPACK_SP(X, val) \
+ do \
+ { \
+ _FP_UNPACK_RAW_1_P (S, X, (val)); \
+ _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); \
+ _FP_PACK_RAW_1 (S, (val), X); \
+ } \
+ while (0)
+
+#define FP_PACK_SP(val, X) \
+ do \
+ { \
+ _FP_PACK_CANONICAL (S, 1, X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _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)
+#define FP_SUB_S(R, X, Y) _FP_SUB (S, 1, R, X, Y)
+#define FP_MUL_S(R, X, Y) _FP_MUL (S, 1, R, X, Y)
+#define FP_DIV_S(R, X, Y) _FP_DIV (S, 1, R, X, Y)
+#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)
+# 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)
+# 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)
+#define FP_CMP_S(r, X, Y, un, ex) _FP_CMP (S, 1, (r), X, Y, (un), (ex))
+#define FP_CMP_EQ_S(r, X, Y, ex) _FP_CMP_EQ (S, 1, (r), X, Y, (ex))
+#define FP_CMP_UNORD_S(r, X, Y, ex) _FP_CMP_UNORD (S, 1, (r), X, Y, (ex))
-#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)
+#define FP_TO_INT_S(r, X, rsz, rsg) _FP_TO_INT (S, 1, (r), X, (rsz), (rsg))
+#define FP_TO_INT_ROUND_S(r, X, rsz, rsg) \
+ _FP_TO_INT_ROUND (S, 1, (r), X, (rsz), (rsg))
+#define FP_FROM_INT_S(X, r, rs, rt) _FP_FROM_INT (S, 1, X, (r), (rs), rt)
-#define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X)
-#define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X)
+#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)
+# 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)
+# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_1 (X)
#endif
+
+#endif /* !SOFT_FP_SINGLE_H */
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