--- /dev/null
+/* Software floating-point emulation.
+ Definitions for IEEE Single Precision.
+ 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),
+ David S. Miller (davem@redhat.com) and
+ Peter Maydell (pmaydell@chiark.greenend.org.uk).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ 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
+ Lesser General Public License for more details.
+
+ 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, 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_FRACTBITS_S - _FP_FRACBITS_S)
+#define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_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
+{
+ SFtype flt;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_S;
+ unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
+#else
+ unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
+ unsigned exp : _FP_EXPBITS_S;
+ unsigned sign : 1;
+#endif
+ } bits __attribute__((packed));
+};
+
+#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_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)
+
+#define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X)
+#define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X)
projects / msp430-gcc.git / blobdiff