1 /* $NetBSD: gd_qnan.h,v 1.3 2022/12/03 09:38:53 skrll Exp $ */ 2 3 /* 4 * The RISC-V Instruction Set Manual Volume I: User-Level ISA 5 * Document Version 2.2 6 * 7 * 8.3 NaN Generation and Propagation 8 * 9 * The canonical NaN has a positive sign and all significand bits clear except 10 * the MSB, aka the quiet bit. 11 */ 12 13 #define f_QNAN 0x7fc00000 14 #define d_QNAN0 0x0 15 #define d_QNAN1 0x7ff80000 16 #define ld_QNAN0 0x0 17 #define ld_QNAN1 0x0 18 #define ld_QNAN2 0x0 19 #define ld_QNAN3 0x7fff8000 20