Add code that can be used for debugging

[oota-llvm.git] / support / tools / TableGen / TableGen.cpp

diff --git a/support/tools/TableGen/TableGen.cpp b/support/tools/TableGen/TableGen.cpp
index 6f330ea81871c915b4b99082a677a1cd9553bad4..35df907c2d6a0240a4a40b95646b67221b3c5adb 100644 (file)
--- a/support/tools/TableGen/TableGen.cpp
+++ b/support/tools/TableGen/TableGen.cpp
@@ -201,6 +201,14 @@ static Record *ParseMachineCode(std::vector<Record*>::iterator InstsB,
       abort();
     }
     
+#if 0
+    std::cerr << "FVB: " << FirstVaryingBit << " - " << LastFixedBit
+             << ": [" << RangeEnd-RangeBegin << "] - ";
+    for (int i = LastFixedBit-1; i >= (int)FirstVaryingBit; --i)
+      std::cerr << (int)((BitInit*)getBit(*RangeBegin, i))->getValue() << " ";
+    std::cerr << "\n";
+#endif
+
     if (Record *R = ParseMachineCode(RangeBegin, RangeEnd, M)) {
       if (Match) {
        std::cerr << "Error: Multiple matches found:\n";
@@ -281,7 +289,8 @@ static void PrintInstruction(Record *I, unsigned char *Ptr) {
 }
 
 static void ParseMachineCode() {
-  unsigned char Buffer[] = { 0x55,             // push EBP
+  unsigned char Buffer[] = {
+                             0x55,             // push EBP
                             0x89, 0xE5,       // mov EBP, ESP
                             //0x83, 0xEC, 0x08, // sub ESP, 0x8
                             0xE8, 1, 2, 3, 4, // call +0x04030201
@@ -291,10 +300,10 @@ static void ParseMachineCode() {
                             0x90,             // nop
                             0xC9,             // leave
                             0x89, 0xF6,       // mov ESI, ESI
-                            0xB8, 1, 2, 3, 4, // mov EAX, 0x04030201
                             0x68, 1, 2, 3, 4, // push 0x04030201
                             0x5e,             // pop ESI
                             0xFF, 0xD0,       // call EAX
+                            0xB8, 1, 2, 3, 4, // mov EAX, 0x04030201
                             0x85, 0xC0,       // test EAX, EAX
                             0xF4,             // hlt
   };