status_w.h File Reference

#include "fpu_emu.h"

Go to the source code of this file.

Macros
#define	Const__(x)   x
#define	SW_Backward   Const__(0x8000) /* backward compatibility */
#define	SW_C3   Const__(0x4000) /* condition bit 3 */
#define	SW_Top   Const__(0x3800) /* top of stack */
#define	SW_Top_Shift   Const__(11) /* shift for top of stack bits */
#define	SW_C2   Const__(0x0400) /* condition bit 2 */
#define	SW_C1   Const__(0x0200) /* condition bit 1 */
#define	SW_C0   Const__(0x0100) /* condition bit 0 */
#define	SW_Summary   Const__(0x0080) /* exception summary */
#define	SW_Stack_Fault   Const__(0x0040) /* stack fault */
#define	SW_Precision   Const__(0x0020) /* loss of precision */
#define	SW_Underflow   Const__(0x0010) /* underflow */
#define	SW_Overflow   Const__(0x0008) /* overflow */
#define	SW_Zero_Div   Const__(0x0004) /* divide by zero */
#define	SW_Denorm_Op   Const__(0x0002) /* denormalized operand */
#define	SW_Invalid   Const__(0x0001) /* invalid operation */
#define	SW_Exc_Mask   Const__(0x27f) /* Status word exception bit mask */
#define	COMP_A_gt_B   1
#define	COMP_A_eq_B   2
#define	COMP_A_lt_B   3
#define	COMP_No_Comp   4
#define	COMP_Denormal   0x20
#define	COMP_NaN   0x40
#define	COMP_SNaN   0x80
#define	status_word()   ((partial_status & ~SW_Top & 0xffff) | ((top << SW_Top_Shift) & SW_Top))
#define	clear_C1()   { partial_status &= ~SW_C1; }

Macro Definition Documentation

#define clear_C1

(

)

{ partial_status &= ~SW_C1; }

Definition at line 60 of file status_w.h.

#define COMP_A_eq_B   2

Definition at line 42 of file status_w.h.

#define COMP_A_gt_B   1

Definition at line 41 of file status_w.h.

#define COMP_A_lt_B   3

Definition at line 43 of file status_w.h.

#define COMP_Denormal   0x20

Definition at line 45 of file status_w.h.

#define COMP_NaN   0x40

Definition at line 46 of file status_w.h.

#define COMP_No_Comp   4

Definition at line 44 of file status_w.h.

#define COMP_SNaN   0x80

Definition at line 47 of file status_w.h.

#define Const__

(

x

)

x

Definition at line 18 of file status_w.h.

#define status_word

(

)

((partial_status & ~SW_Top & 0xffff) | ((top << SW_Top_Shift) & SW_Top))

Definition at line 49 of file status_w.h.

#define SW_Backward   Const__(0x8000) /* backward compatibility */

Definition at line 21 of file status_w.h.

#define SW_C0   Const__(0x0100) /* condition bit 0 */

Definition at line 27 of file status_w.h.

#define SW_C1   Const__(0x0200) /* condition bit 1 */

Definition at line 26 of file status_w.h.

#define SW_C2   Const__(0x0400) /* condition bit 2 */

Definition at line 25 of file status_w.h.

#define SW_C3   Const__(0x4000) /* condition bit 3 */

Definition at line 22 of file status_w.h.

#define SW_Denorm_Op   Const__(0x0002) /* denormalized operand */

Definition at line 34 of file status_w.h.

#define SW_Exc_Mask   Const__(0x27f) /* Status word exception bit mask */

Definition at line 37 of file status_w.h.

#define SW_Invalid   Const__(0x0001) /* invalid operation */

Definition at line 35 of file status_w.h.

#define SW_Overflow   Const__(0x0008) /* overflow */

Definition at line 32 of file status_w.h.

#define SW_Precision   Const__(0x0020) /* loss of precision */

Definition at line 30 of file status_w.h.

#define SW_Stack_Fault   Const__(0x0040) /* stack fault */

Definition at line 29 of file status_w.h.

#define SW_Summary   Const__(0x0080) /* exception summary */

Definition at line 28 of file status_w.h.

#define SW_Top   Const__(0x3800) /* top of stack */

Definition at line 23 of file status_w.h.

#define SW_Top_Shift   Const__(11) /* shift for top of stack bits */

Definition at line 24 of file status_w.h.

#define SW_Underflow   Const__(0x0010) /* underflow */

Definition at line 31 of file status_w.h.

#define SW_Zero_Div   Const__(0x0004) /* divide by zero */

Definition at line 33 of file status_w.h.