| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Definitions for the FPU register names |
| * |
| * Copyright (C) 2020-2022 Loongson Technology Corporation Limited |
| */ |
| #ifndef _ASM_FPREGDEF_H |
| #define _ASM_FPREGDEF_H |
| |
| #define fa0 $f0 /* argument registers, fa0/fa1 reused as fv0/fv1 for return value */ |
| #define fa1 $f1 |
| #define fa2 $f2 |
| #define fa3 $f3 |
| #define fa4 $f4 |
| #define fa5 $f5 |
| #define fa6 $f6 |
| #define fa7 $f7 |
| #define ft0 $f8 /* caller saved */ |
| #define ft1 $f9 |
| #define ft2 $f10 |
| #define ft3 $f11 |
| #define ft4 $f12 |
| #define ft5 $f13 |
| #define ft6 $f14 |
| #define ft7 $f15 |
| #define ft8 $f16 |
| #define ft9 $f17 |
| #define ft10 $f18 |
| #define ft11 $f19 |
| #define ft12 $f20 |
| #define ft13 $f21 |
| #define ft14 $f22 |
| #define ft15 $f23 |
| #define fs0 $f24 /* callee saved */ |
| #define fs1 $f25 |
| #define fs2 $f26 |
| #define fs3 $f27 |
| #define fs4 $f28 |
| #define fs5 $f29 |
| #define fs6 $f30 |
| #define fs7 $f31 |
| |
| #ifndef CONFIG_AS_HAS_FCSR_CLASS |
| /* |
| * Current binutils expects *GPRs* at FCSR position for the FCSR |
| * operation instructions, so define aliases for those used. |
| */ |
| #define fcsr0 $r0 |
| #define fcsr1 $r1 |
| #define fcsr2 $r2 |
| #define fcsr3 $r3 |
| #else |
| #define fcsr0 $fcsr0 |
| #define fcsr1 $fcsr1 |
| #define fcsr2 $fcsr2 |
| #define fcsr3 $fcsr3 |
| #endif |
| |
| #endif /* _ASM_FPREGDEF_H */ |
