PERF_REG_LOONGARCH_MAX
if (mask & ~((1ull << PERF_REG_LOONGARCH_MAX) - 1))
if (WARN_ON_ONCE((u32)idx >= PERF_REG_LOONGARCH_MAX))
#define PERF_REGS_MASK ((1ULL << PERF_REG_LOONGARCH_MAX) - 1)
#define PERF_REGS_MAX PERF_REG_LOONGARCH_MAX
if (perf_regnum < 0 || perf_regnum >= PERF_REG_LOONGARCH_MAX)