diff options
| -rw-r--r-- | utils/TableGen/CodeEmitterGen.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp index 6cf18c2ded..29234ad21d 100644 --- a/utils/TableGen/CodeEmitterGen.cpp +++ b/utils/TableGen/CodeEmitterGen.cpp @@ -7,7 +7,9 @@ // //===----------------------------------------------------------------------===// // -// FIXME: Document. +// CodeEmitterGen uses the descriptions of instructions and their fields to +// construct an automated code emitter: a function that, given a MachineInstr, +// returns the (currently, 32-bit unsigned) value of the instruction. // //===----------------------------------------------------------------------===// @@ -152,7 +154,7 @@ void CodeEmitterGen::run(std::ostream &o) { << " &= (1<<" << beginBitInVar+1 << ") - 1;\n"; // Shift the value to the correct place (according to place in inst) - assert(endBitInInst >= 0 && "Negative shift amount in inst position!"); + assert(endBitInInst >= 0 && "Negative shift amount!"); if (endBitInInst != 0) o << " op" << OpOrder[Vals[i].getName()] << " <<= " << endBitInInst << ";\n"; |