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/*
* Copyright (C) 2015 Regents of the University of California
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ASM_RISCV_ASM_H
#define _ASM_RISCV_ASM_H
#ifdef __ASSEMBLY__
#define __ASM_STR(x) x
#else
#define __ASM_STR(x) #x
#endif
#if __riscv_xlen == 64
#define __REG_SEL(a, b) __ASM_STR(a)
#elif __riscv_xlen == 32
#define __REG_SEL(a, b) __ASM_STR(b)
#else
#error "Unexpected __riscv_xlen"
#endif
#define REG_L __REG_SEL(ld, lw)
#define REG_S __REG_SEL(sd, sw)
#define SZREG __REG_SEL(8, 4)
#define LGREG __REG_SEL(3, 2)
#if __SIZEOF_POINTER__ == 8
#ifdef __ASSEMBLY__
#define RISCV_PTR .dword
#define RISCV_SZPTR 8
#define RISCV_LGPTR 3
#else
#define RISCV_PTR ".dword"
#define RISCV_SZPTR "8"
#define RISCV_LGPTR "3"
#endif
#elif __SIZEOF_POINTER__ == 4
#ifdef __ASSEMBLY__
#define RISCV_PTR .word
#define RISCV_SZPTR 4
#define RISCV_LGPTR 2
#else
#define RISCV_PTR ".word"
#define RISCV_SZPTR "4"
#define RISCV_LGPTR "2"
#endif
#else
#error "Unexpected __SIZEOF_POINTER__"
#endif
#if (__SIZEOF_INT__ == 4)
#define RISCV_INT __ASM_STR(.word)
#define RISCV_SZINT __ASM_STR(4)
#define RISCV_LGINT __ASM_STR(2)
#else
#error "Unexpected __SIZEOF_INT__"
#endif
#if (__SIZEOF_SHORT__ == 2)
#define RISCV_SHORT __ASM_STR(.half)
#define RISCV_SZSHORT __ASM_STR(2)
#define RISCV_LGSHORT __ASM_STR(1)
#else
#error "Unexpected __SIZEOF_SHORT__"
#endif
#endif /* _ASM_RISCV_ASM_H */
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