Rev. 1.50, 10/04, page 354 of 448
10.3 FPU Instruction
The following resources and functions are for use in C-language descriptions of the operation of
FPU instructions and supplement the resources and functions used in describing the operation of
CPU instructions.
These are floating-point number definition statements.
#define PZERO 0
#define NZERO 1
#define DENORM 2
#define NORM 3
#define PINF 4
#define NINF 5
#define qNaN 6
#define sNaN 7
#define EQ 0
#define GT 1
#define LT 2
#define UO 3
#define INVALID 4
#define FADD 0
#define FSUB 1
#define CAUSE 0x0003f000 /* FPSCR(bit17-12) */
#define SET_E 0x00020000 /* FPSCR(bit17) */
#define SET_V 0x00010040 /* FPSCR(bit16,6) */
#define SET_Z 0x00008020 /* FPSCR(bit15,5) */
#define SET_O 0x00004010 /* FPSCR(bit14,4) */
#define SET_U 0x00002008 /* FPSCR(bit13,3) */
#define SET_I 0x00001004 /* FPSCR(bit12,2) */
#define ENABLE_VOUI 0x00000b80 /* FPSCR(bit11,9-7) */
#define ENABLE_V 0x00000800 /* FPSCR(bit11) */
#define ENABLE_Z 0x00000400 /* FPSCR(bit10) */
#define ENABLE_OUI 0x00000380 /* FPSCR(bit9-7) */
#define ENABLE_I 0x00000080 /* FPSCR(bit7) */
#define FLAG 0x0000007C /* FPSCR(bit6-2) */
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