diff options
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 3828134..77001cf 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -322,9 +322,12 @@ namespace ISD { // This node takes a superreg and a constant sub-register index as operands. EXTRACT_SUBREG, - // INSERT_SUBREG - This node is used to insert a sub-register value. + // INSERT_SUBREG - This node is used to insert a sub-register value into + // either explicitly into a superreg, or implicitly into a superreg value. // This node takes a superreg, a subreg value, and a constant sub-register - // index as operands. + // index as operands. The superreg may be either a superregister operand or a + // target constant indicating that the insert is being done into a target + // specific implicit value. INSERT_SUBREG, // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing |