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kernel add
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/*
* Copyright (C) 2004, 2007 Maciej W. Rozycki
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef _ASM_COMPILER_H
#define _ASM_COMPILER_H
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define GCC_IMM_ASM() "n"
#define GCC_REG_ACCUM "$0"
#else
#define GCC_IMM_ASM() "rn"
#define GCC_REG_ACCUM "accum"
#endif
#ifdef CONFIG_CPU_MIPSR6
/* All MIPS R6 toolchains support the ZC constrain */
#define GCC_OFF_SMALL_ASM() "ZC"
#else
#ifndef CONFIG_CPU_MICROMIPS
#define GCC_OFF_SMALL_ASM() "R"
#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
#define GCC_OFF_SMALL_ASM() "ZC"
#else
#error "microMIPS compilation unsupported with GCC older than 4.9"
#endif /* CONFIG_CPU_MICROMIPS */
#endif /* CONFIG_CPU_MIPSR6 */
#ifdef CONFIG_CPU_MIPSR6
#define MIPS_ISA_LEVEL "mips64r6"
#define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL
#define MIPS_ISA_LEVEL_RAW mips64r6
#define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW
#else
/* MIPS64 is a superset of MIPS32 */
#define MIPS_ISA_LEVEL "mips64r2"
#define MIPS_ISA_ARCH_LEVEL "arch=r4000"
#define MIPS_ISA_LEVEL_RAW mips64r2
#define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW
#endif /* CONFIG_CPU_MIPSR6 */
#endif /* _ASM_COMPILER_H */
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