diff --git a/src/inline-assembly.md b/src/inline-assembly.md
index dc4bc5475..a5f46312f 100644
--- a/src/inline-assembly.md
+++ b/src/inline-assembly.md
@@ -162,6 +162,7 @@ Here is the list of currently supported register classes:
 | x86 | `kreg0` | `k0` | Only clobbers |
 | x86 | `x87_reg` | `st([0-7])` | Only clobbers |
 | x86 | `mmx_reg` | `mm[0-7]` | Only clobbers |
+| x86-64 | `tmm_reg` | `tmm[0-7]` | Only clobbers |
 | AArch64 | `reg` | `x[0-30]` | `r` |
 | AArch64 | `vreg` | `v[0-31]` | `w` |
 | AArch64 | `vreg_low16` | `v[0-15]` | `x` |
@@ -204,6 +205,7 @@ The availability of supported types for a particular register class may depend o
 | x86 | `kreg` | `avx512bw` | `i32`, `i64` |
 | x86 | `mmx_reg` | N/A | Only clobbers |
 | x86 | `x87_reg` | N/A | Only clobbers |
+| x86 | `tmm_reg` | N/A | Only clobbers |
 | AArch64 | `reg` | None | `i8`, `i16`, `i32`, `f32`, `i64`, `f64` |
 | AArch64 | `vreg` | `neon` | `i8`, `i16`, `i32`, `f32`, `i64`, `f64`, <br> `i8x8`, `i16x4`, `i32x2`, `i64x1`, `f32x2`, `f64x1`, <br> `i8x16`, `i16x8`, `i32x4`, `i64x2`, `f32x4`, `f64x2` |
 | AArch64 | `preg` | N/A | Only clobbers |
@@ -367,8 +369,8 @@ The following ABIs can be used with `clobber_abi`:
 | Architecture | ABI name | Clobbered registers |
 | ------------ | -------- | ------------------- |
 | x86-32 | `"C"`, `"system"`, `"efiapi"`, `"cdecl"`, `"stdcall"`, `"fastcall"` | `ax`, `cx`, `dx`, `xmm[0-7]`, `mm[0-7]`, `k[0-7]`, `st([0-7])` |
-| x86-64 | `"C"`, `"system"` (on Windows), `"efiapi"`, `"win64"` | `ax`, `cx`, `dx`, `r[8-11]`, `xmm[0-31]`, `mm[0-7]`, `k[0-7]`, `st([0-7])` |
-| x86-64 | `"C"`, `"system"` (on non-Windows), `"sysv64"` | `ax`, `cx`, `dx`, `si`, `di`, `r[8-11]`, `xmm[0-31]`, `mm[0-7]`, `k[0-7]`, `st([0-7])` |
+| x86-64 | `"C"`, `"system"` (on Windows), `"efiapi"`, `"win64"` | `ax`, `cx`, `dx`, `r[8-11]`, `xmm[0-31]`, `mm[0-7]`, `k[0-7]`, `st([0-7])`, `tmm[0-7]` |
+| x86-64 | `"C"`, `"system"` (on non-Windows), `"sysv64"` | `ax`, `cx`, `dx`, `si`, `di`, `r[8-11]`, `xmm[0-31]`, `mm[0-7]`, `k[0-7]`, `st([0-7])`, `tmm[0-7]` |
 | AArch64 | `"C"`, `"system"`, `"efiapi"` | `x[0-17]`, `x18`\*, `x30`, `v[0-31]`, `p[0-15]`, `ffr` |
 | ARM | `"C"`, `"system"`, `"efiapi"`, `"aapcs"` | `r[0-3]`, `r12`, `r14`, `s[0-15]`, `d[0-7]`, `d[16-31]` |
 | RISC-V | `"C"`, `"system"`, `"efiapi"` | `x1`, `x[5-7]`, `x[10-17]`, `x[28-31]`, `f[0-7]`, `f[10-17]`, `f[28-31]`, `v[0-31]` |