diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/include/llvm/Target/MRegisterInfo.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/include/llvm/Target/MRegisterInfo.h b/llvm/include/llvm/Target/MRegisterInfo.h index d6d3fb4e500..ecfe1ec38a3 100644 --- a/llvm/include/llvm/Target/MRegisterInfo.h +++ b/llvm/include/llvm/Target/MRegisterInfo.h @@ -40,9 +40,11 @@ class Type; /// Registers that this does not apply to simply should set this to null. /// The SubRegs field is a zero terminated array of registers that are /// sub-registers of the specific register, e.g. AL, AH are sub-registers of AX. -/// The SuperRegs field is a zero terminated array of registers that are -/// super-registers of the specific register, e.g. RAX, EAX, are super-registers -/// of AX. +/// The ImmsubRegs field is a subset of SubRegs. It includes only the immediate +/// sub-registers. e.g. EAX has only one immediate sub-register of AX, not AH, +/// AL which are immediate sub-registers of AX. The SuperRegs field is a zero +/// terminated array of registers that are super-registers of the specific +/// register, e.g. RAX, EAX, are super-registers of AX. /// struct TargetRegisterDesc { const char *Name; // Assembly language name for the register |
