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Diffstat (limited to 'arch/loongarch/include/asm/fpregdef.h')
| -rw-r--r-- | arch/loongarch/include/asm/fpregdef.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/fpregdef.h b/arch/loongarch/include/asm/fpregdef.h new file mode 100644 index 0000000000..e56610ae85 --- /dev/null +++ b/arch/loongarch/include/asm/fpregdef.h @@ -0,0 +1,59 @@ +/* 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 */ |