diff options
Diffstat (limited to 'arch/i386/math-emu/control_w.h')
| -rw-r--r-- | arch/i386/math-emu/control_w.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/i386/math-emu/control_w.h b/arch/i386/math-emu/control_w.h deleted file mode 100644 index ae2274d..0000000 --- a/arch/i386/math-emu/control_w.h +++ /dev/null @@ -1,45 +0,0 @@ -/*---------------------------------------------------------------------------+ - | control_w.h | - | | - | Copyright (C) 1992,1993 | - | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | - | Australia. E-mail billm@vaxc.cc.monash.edu.au | - | | - +---------------------------------------------------------------------------*/ - -#ifndef _CONTROLW_H_ -#define _CONTROLW_H_ - -#ifdef __ASSEMBLY__ -#define _Const_(x) $##x -#else -#define _Const_(x) x -#endif - -#define CW_RC _Const_(0x0C00) /* rounding control */ -#define CW_PC _Const_(0x0300) /* precision control */ - -#define CW_Precision Const_(0x0020) /* loss of precision mask */ -#define CW_Underflow Const_(0x0010) /* underflow mask */ -#define CW_Overflow Const_(0x0008) /* overflow mask */ -#define CW_ZeroDiv Const_(0x0004) /* divide by zero mask */ -#define CW_Denormal Const_(0x0002) /* denormalized operand mask */ -#define CW_Invalid Const_(0x0001) /* invalid operation mask */ - -#define CW_Exceptions _Const_(0x003f) /* all masks */ - -#define RC_RND _Const_(0x0000) -#define RC_DOWN _Const_(0x0400) -#define RC_UP _Const_(0x0800) -#define RC_CHOP _Const_(0x0C00) - -/* p 15-5: Precision control bits affect only the following: - ADD, SUB(R), MUL, DIV(R), and SQRT */ -#define PR_24_BITS _Const_(0x000) -#define PR_53_BITS _Const_(0x200) -#define PR_64_BITS _Const_(0x300) -#define PR_RESERVED_BITS _Const_(0x100) -/* FULL_PRECISION simulates all exceptions masked */ -#define FULL_PRECISION (PR_64_BITS | RC_RND | 0x3f) - -#endif /* _CONTROLW_H_ */ |
