1 /* SPDX-License-Identifier: GPL-2.0 */ 1 2 /*-------------------------------------------- 3 | control_w.h 4 | 5 | Copyright (C) 1992,1993 6 | W. Metzenthen, 22 Par 7 | Australia. E-mail 8 | 9 +-------------------------------------------- 10 11 #ifndef _CONTROLW_H_ 12 #define _CONTROLW_H_ 13 14 #ifdef __ASSEMBLY__ 15 #define _Const_(x) $##x 16 #else 17 #define _Const_(x) x 18 #endif 19 20 #define CW_RC _Const_(0x0C00) /* rou 21 #define CW_PC _Const_(0x0300) /* pre 22 23 #define CW_Precision Const_(0x0020) /* los 24 #define CW_Underflow Const_(0x0010) /* und 25 #define CW_Overflow Const_(0x0008) /* ove 26 #define CW_ZeroDiv Const_(0x0004) /* div 27 #define CW_Denormal Const_(0x0002) /* den 28 #define CW_Invalid Const_(0x0001) /* inv 29 30 #define CW_Exceptions _Const_(0x003f) /* all 31 32 #define RC_RND _Const_(0x0000) 33 #define RC_DOWN _Const_(0x0400) 34 #define RC_UP _Const_(0x0800) 35 #define RC_CHOP _Const_(0x0C00) 36 37 /* p 15-5: Precision control bits affect only 38 ADD, SUB(R), MUL, DIV(R), and SQRT */ 39 #define PR_24_BITS _Const_(0x000) 40 #define PR_53_BITS _Const_(0x200) 41 #define PR_64_BITS _Const_(0x300) 42 #define PR_RESERVED_BITS _Const_(0x100) 43 /* FULL_PRECISION simulates all exceptions mas 44 #define FULL_PRECISION (PR_64_BITS | RC_RND | 45 46 #endif /* _CONTROLW_H_ */ 47
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