PERF_REG_X86_R9
(1ULL << PERF_REG_X86_R9) | \
PT_REGS_OFFSET(PERF_REG_X86_R9, r9),
(1ULL << PERF_REG_X86_R9) | \
id = PERF_REG_X86_R9;
[PERF_REG_X86_R9] = 9,
[PERF_REG_X86_R9] = 12,
case PERF_REG_X86_R9: