diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc/soft-fp/quad.h')
-rw-r--r-- | libc/sysdeps/linux/sparc/soft-fp/quad.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/soft-fp/quad.h b/libc/sysdeps/linux/sparc/soft-fp/quad.h new file mode 100644 index 000000000..c22e94402 --- /dev/null +++ b/libc/sysdeps/linux/sparc/soft-fp/quad.h @@ -0,0 +1,271 @@ +/* Software floating-point emulation. + Definitions for IEEE Quad Precision. + Copyright (C) 1997,1998,1999,2006,2007 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 + +#if _FP_W_TYPE_SIZE < 64 +#define _FP_FRACTBITS_Q (4*_FP_W_TYPE_SIZE) +#else +#define _FP_FRACTBITS_Q (2*_FP_W_TYPE_SIZE) +#endif + +#define _FP_FRACBITS_Q 113 +#define _FP_FRACXBITS_Q (_FP_FRACTBITS_Q - _FP_FRACBITS_Q) +#define _FP_WFRACBITS_Q (_FP_WORKBITS + _FP_FRACBITS_Q) +#define _FP_WFRACXBITS_Q (_FP_FRACTBITS_Q - _FP_WFRACBITS_Q) +#define _FP_EXPBITS_Q 15 +#define _FP_EXPBIAS_Q 16383 +#define _FP_EXPMAX_Q 32767 + +#define _FP_QNANBIT_Q \ + ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2) % _FP_W_TYPE_SIZE) +#define _FP_QNANBIT_SH_Q \ + ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2+_FP_WORKBITS) % _FP_W_TYPE_SIZE) +#define _FP_IMPLBIT_Q \ + ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1) % _FP_W_TYPE_SIZE) +#define _FP_IMPLBIT_SH_Q \ + ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1+_FP_WORKBITS) % _FP_W_TYPE_SIZE) +#define _FP_OVERFLOW_Q \ + ((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE)) + +typedef float TFtype __attribute__((mode(TF))); + +#if _FP_W_TYPE_SIZE < 64 + +union _FP_UNION_Q +{ + TFtype flt; + struct + { +#if __BYTE_ORDER == __BIG_ENDIAN + unsigned sign : 1; + unsigned exp : _FP_EXPBITS_Q; + unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3); + unsigned long frac2 : _FP_W_TYPE_SIZE; + unsigned long frac1 : _FP_W_TYPE_SIZE; + unsigned long frac0 : _FP_W_TYPE_SIZE; +#else + unsigned long frac0 : _FP_W_TYPE_SIZE; + unsigned long frac1 : _FP_W_TYPE_SIZE; + unsigned long frac2 : _FP_W_TYPE_SIZE; + unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3); + unsigned exp : _FP_EXPBITS_Q; + unsigned sign : 1; +#endif /* not bigendian */ + } bits __attribute__((packed)); +}; + + +#define FP_DECL_Q(X) _FP_DECL(4,X) +#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_4(Q,X,val) +#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_4_P(Q,X,val) +#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_4(Q,val,X) +#define FP_PACK_RAW_QP(val,X) \ + do { \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_4_P(Q,val,X); \ + } while (0) + +#define FP_UNPACK_Q(X,val) \ + do { \ + _FP_UNPACK_RAW_4(Q,X,val); \ + _FP_UNPACK_CANONICAL(Q,4,X); \ + } while (0) + +#define FP_UNPACK_QP(X,val) \ + do { \ + _FP_UNPACK_RAW_4_P(Q,X,val); \ + _FP_UNPACK_CANONICAL(Q,4,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_Q(X,val) \ + do { \ + _FP_UNPACK_RAW_4(Q,X,val); \ + _FP_UNPACK_SEMIRAW(Q,4,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_QP(X,val) \ + do { \ + _FP_UNPACK_RAW_4_P(Q,X,val); \ + _FP_UNPACK_SEMIRAW(Q,4,X); \ + } while (0) + +#define FP_PACK_Q(val,X) \ + do { \ + _FP_PACK_CANONICAL(Q,4,X); \ + _FP_PACK_RAW_4(Q,val,X); \ + } while (0) + +#define FP_PACK_QP(val,X) \ + do { \ + _FP_PACK_CANONICAL(Q,4,X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_4_P(Q,val,X); \ + } while (0) + +#define FP_PACK_SEMIRAW_Q(val,X) \ + do { \ + _FP_PACK_SEMIRAW(Q,4,X); \ + _FP_PACK_RAW_4(Q,val,X); \ + } while (0) + +#define FP_PACK_SEMIRAW_QP(val,X) \ + do { \ + _FP_PACK_SEMIRAW(Q,4,X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_4_P(Q,val,X); \ + } while (0) + +#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,4,X) +#define FP_NEG_Q(R,X) _FP_NEG(Q,4,R,X) +#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,4,R,X,Y) +#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,4,R,X,Y) +#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,4,R,X,Y) +#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,4,R,X,Y) +#define FP_SQRT_Q(R,X) _FP_SQRT(Q,4,R,X) +#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_4(R,S,T,X,Q) + +#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,4,r,X,Y,un) +#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,4,r,X,Y) +#define FP_CMP_UNORD_Q(r,X,Y) _FP_CMP_UNORD(Q,4,r,X,Y) + +#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,4,r,X,rsz,rsg) +#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,4,X,r,rs,rt) + +#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_4(X) +#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_4(X) + +#else /* not _FP_W_TYPE_SIZE < 64 */ +union _FP_UNION_Q +{ + TFtype flt /* __attribute__((mode(TF))) */ ; + struct { + _FP_W_TYPE a, b; + } longs; + struct { +#if __BYTE_ORDER == __BIG_ENDIAN + unsigned sign : 1; + unsigned exp : _FP_EXPBITS_Q; + _FP_W_TYPE frac1 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0) - _FP_W_TYPE_SIZE; + _FP_W_TYPE frac0 : _FP_W_TYPE_SIZE; +#else + _FP_W_TYPE frac0 : _FP_W_TYPE_SIZE; + _FP_W_TYPE frac1 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0) - _FP_W_TYPE_SIZE; + unsigned exp : _FP_EXPBITS_Q; + unsigned sign : 1; +#endif + } bits; +}; + +#define FP_DECL_Q(X) _FP_DECL(2,X) +#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_2(Q,X,val) +#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_2_P(Q,X,val) +#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_2(Q,val,X) +#define FP_PACK_RAW_QP(val,X) \ + do { \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P(Q,val,X); \ + } while (0) + +#define FP_UNPACK_Q(X,val) \ + do { \ + _FP_UNPACK_RAW_2(Q,X,val); \ + _FP_UNPACK_CANONICAL(Q,2,X); \ + } while (0) + +#define FP_UNPACK_QP(X,val) \ + do { \ + _FP_UNPACK_RAW_2_P(Q,X,val); \ + _FP_UNPACK_CANONICAL(Q,2,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_Q(X,val) \ + do { \ + _FP_UNPACK_RAW_2(Q,X,val); \ + _FP_UNPACK_SEMIRAW(Q,2,X); \ + } while (0) + +#define FP_UNPACK_SEMIRAW_QP(X,val) \ + do { \ + _FP_UNPACK_RAW_2_P(Q,X,val); \ + _FP_UNPACK_SEMIRAW(Q,2,X); \ + } while (0) + +#define FP_PACK_Q(val,X) \ + do { \ + _FP_PACK_CANONICAL(Q,2,X); \ + _FP_PACK_RAW_2(Q,val,X); \ + } while (0) + +#define FP_PACK_QP(val,X) \ + do { \ + _FP_PACK_CANONICAL(Q,2,X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P(Q,val,X); \ + } while (0) + +#define FP_PACK_SEMIRAW_Q(val,X) \ + do { \ + _FP_PACK_SEMIRAW(Q,2,X); \ + _FP_PACK_RAW_2(Q,val,X); \ + } while (0) + +#define FP_PACK_SEMIRAW_QP(val,X) \ + do { \ + _FP_PACK_SEMIRAW(Q,2,X); \ + if (!FP_INHIBIT_RESULTS) \ + _FP_PACK_RAW_2_P(Q,val,X); \ + } while (0) + +#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,2,X) +#define FP_NEG_Q(R,X) _FP_NEG(Q,2,R,X) +#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,2,R,X,Y) +#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,2,R,X,Y) +#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,2,R,X,Y) +#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,2,R,X,Y) +#define FP_SQRT_Q(R,X) _FP_SQRT(Q,2,R,X) +#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q) + +#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,2,r,X,Y,un) +#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,2,r,X,Y) +#define FP_CMP_UNORD_Q(r,X,Y) _FP_CMP_UNORD(Q,2,r,X,Y) + +#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,2,r,X,rsz,rsg) +#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,2,X,r,rs,rt) + +#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_2(X) +#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_2(X) + +#endif /* not _FP_W_TYPE_SIZE < 64 */ |