/* Software floating-point emulation. Definitions for IEEE Single Precision. Copyright (C) 1997,1998,1999 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 Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __MATH_EMU_SINGLE_H__ #define __MATH_EMU_SINGLE_H__ #if _FP_W_TYPE_SIZE < 32 #error "Here's a nickel kid. Go buy yourself a real computer." #endif #define _FP_FRACBITS_S 24 #define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _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_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_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1)) #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. */ union _FP_UNION_S { float 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_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_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_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) #endif /* __MATH_EMU_SINGLE_H__ */ ption value='10'>10
author | Venkat Reddy Talla <vreddytalla@nvidia.com> | 2016-11-17 23:24:36 +0530 |
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committer | Mark Brown <broonie@kernel.org> | 2016-11-23 16:27:42 +0000 |
commit | 983779235a4d08f94e8cda073200423e0ff01d2e (patch) | |
tree | 254b624bd499c14b09d55abaf209ea95f3c860f7 /drivers/usb/chipidea/ci_hdrc_usb2.c | |
parent | 383d0fca7035a12f1201277d33e8fc87c9d60c9a (diff) |