PERF_REG_X86_R13
(1ULL << PERF_REG_X86_R13) | \
PT_REGS_OFFSET(PERF_REG_X86_R13, r13),
(1ULL << PERF_REG_X86_R13) | \
id = PERF_REG_X86_R13;
[PERF_REG_X86_R13] = 13,
[PERF_REG_X86_R13] = 16,
case PERF_REG_X86_R13: