[llvm-commits] CVS: llvm/utils/TableGen/CodeEmitterGen.cpp

[Misha Brukman]

Changes in directory llvm/utils/TableGen:

CodeEmitterGen.cpp updated: 1.30 -> 1.31
---
Log message:

* Added documentation in the file header
* Shorten assert() text to make it fit within 80 cols


---
Diffs of the changes:  (+4 -2)

Index: llvm/utils/TableGen/CodeEmitterGen.cpp
diff -u llvm/utils/TableGen/CodeEmitterGen.cpp:1.30 llvm/utils/TableGen/CodeEmitterGen.cpp:1.31
--- llvm/utils/TableGen/CodeEmitterGen.cpp:1.30	Sat Jul 31 22:55:38 2004
+++ llvm/utils/TableGen/CodeEmitterGen.cpp	Wed Aug  4 17:07:54 2004
@@ -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 @@
               << " &= (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";