1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Definitions for the FPU register names 4 * 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file "COPYING" in the main directory of this archive 7 * for more details. 8 * 9 * Copyright (C) 2020 Loongson Technology Corporation Limited 10 */ 11 #ifndef _ASM_FPREGDEF_H 12 #define _ASM_FPREGDEF_H 13 14 #define fa0 $f0 /* argument registers, fa0/fa1 reused as fv0/fv1 for return value */ 15 #define fa1 $f1 16 #define fa2 $f2 17 #define fa3 $f3 18 #define fa4 $f4 19 #define fa5 $f5 20 #define fa6 $f6 21 #define fa7 $f7 22 #define ft0 $f8 /* caller saved */ 23 #define ft1 $f9 24 #define ft2 $f10 25 #define ft3 $f11 26 #define ft4 $f12 27 #define ft5 $f13 28 #define ft6 $f14 29 #define ft7 $f15 30 #define ft8 $f16 31 #define ft9 $f17 32 #define ft10 $f18 33 #define ft11 $f19 34 #define ft12 $f20 35 #define ft13 $f21 36 #define ft14 $f22 37 #define ft15 $f23 38 #define fs0 $f24 /* callee saved */ 39 #define fs1 $f25 40 #define fs2 $f26 41 #define fs3 $f27 42 #define fs4 $f28 43 #define fs5 $f29 44 #define fs6 $f30 45 #define fs7 $f31 46 47 /* 48 * Current binutils expects *GPRs* at FCSR position for the FCSR 49 * operation instructions, so define aliases for those used. 50 */ 51 #define fcsr0 $r0 52 #define fcsr1 $r1 53 #define fcsr2 $r2 54 #define fcsr3 $r3 55 56 #endif /* _ASM_FPREGDEF_H */ 57