| .. | .. |
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| 43 | 43 | #undef barrier_before_unreachable |
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| 44 | 44 | #define barrier_before_unreachable() asm volatile(".insn") |
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| 45 | 45 | |
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| 46 | | -#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) |
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| 47 | | -#define GCC_IMM_ASM() "n" |
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| 48 | | -#define GCC_REG_ACCUM "$0" |
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| 46 | +#if !defined(CONFIG_CC_IS_GCC) || \ |
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| 47 | + (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) |
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| 48 | +# define GCC_OFF_SMALL_ASM() "ZC" |
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| 49 | +#elif defined(CONFIG_CPU_MICROMIPS) |
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| 50 | +# error "microMIPS compilation unsupported with GCC older than 4.9" |
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| 49 | 51 | #else |
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| 50 | | -#define GCC_IMM_ASM() "rn" |
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| 51 | | -#define GCC_REG_ACCUM "accum" |
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| 52 | +# define GCC_OFF_SMALL_ASM() "R" |
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| 52 | 53 | #endif |
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| 53 | | - |
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| 54 | | -#ifdef CONFIG_CPU_MIPSR6 |
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| 55 | | -/* All MIPS R6 toolchains support the ZC constrain */ |
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| 56 | | -#define GCC_OFF_SMALL_ASM() "ZC" |
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| 57 | | -#else |
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| 58 | | -#ifndef CONFIG_CPU_MICROMIPS |
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| 59 | | -#define GCC_OFF_SMALL_ASM() "R" |
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| 60 | | -#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) |
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| 61 | | -#define GCC_OFF_SMALL_ASM() "ZC" |
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| 62 | | -#else |
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| 63 | | -#error "microMIPS compilation unsupported with GCC older than 4.9" |
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| 64 | | -#endif /* CONFIG_CPU_MICROMIPS */ |
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| 65 | | -#endif /* CONFIG_CPU_MIPSR6 */ |
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| 66 | 54 | |
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| 67 | 55 | #ifdef CONFIG_CPU_MIPSR6 |
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| 68 | 56 | #define MIPS_ISA_LEVEL "mips64r6" |
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| 69 | 57 | #define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL |
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| 70 | 58 | #define MIPS_ISA_LEVEL_RAW mips64r6 |
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| 71 | 59 | #define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW |
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| 60 | +#elif defined(CONFIG_CPU_MIPSR5) |
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| 61 | +#define MIPS_ISA_LEVEL "mips64r5" |
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| 62 | +#define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL |
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| 63 | +#define MIPS_ISA_LEVEL_RAW mips64r5 |
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| 64 | +#define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW |
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| 72 | 65 | #else |
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| 73 | 66 | /* MIPS64 is a superset of MIPS32 */ |
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| 74 | 67 | #define MIPS_ISA_LEVEL "mips64r2" |
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