PERF_REG_X86_FLAGS
(1ULL << PERF_REG_X86_FLAGS) | \
PT_REGS_OFFSET(PERF_REG_X86_FLAGS, flags),
[PERF_REG_X86_FLAGS] = 9,
[PERF_REG_X86_FLAGS] = 49,
[PERF_REG_X86_FLAGS] = 1,
case PERF_REG_X86_FLAGS: