Another clarifying rename and a bit more automation.

kNumDalvikInstructions is now kNumPackedOpcodes, there is a new
kMaxOpcodeValue, and both are generated by opcode-gen.

Change-Id: Ic46f1f52d2d21382452c8e777024f4a985ad31d3
Bonus: Reworded the switch and array data comment for clarity.
diff --git a/vm/compiler/CompilerIR.h b/vm/compiler/CompilerIR.h
index c83c0ba..712ca4c 100644
--- a/vm/compiler/CompilerIR.h
+++ b/vm/compiler/CompilerIR.h
@@ -78,7 +78,7 @@
 } LIR;
 
 enum ExtendedMIROpcode {
-    kMirOpFirst = kNumDalvikInstructions,
+    kMirOpFirst = kNumPackedOpcodes,
     kMirOpPhi = kMirOpFirst,
     kMirOpNullNRangeUpCheck,
     kMirOpNullNRangeDownCheck,
diff --git a/vm/compiler/Dataflow.c b/vm/compiler/Dataflow.c
index 924ba62..82f52b9 100644
--- a/vm/compiler/Dataflow.c
+++ b/vm/compiler/Dataflow.c
@@ -21,7 +21,7 @@
 
 /*
  * Main table containing data flow attributes for each bytecode. The
- * first kNumDalvikInstructions entries are for Dalvik bytecode
+ * first kNumPackedOpcodes entries are for Dalvik bytecode
  * instructions, where extended opcode at the MIR level are appended
  * afterwards.
  *
diff --git a/vm/compiler/Loop.c b/vm/compiler/Loop.c
index c03d6f5..031464c 100644
--- a/vm/compiler/Loop.c
+++ b/vm/compiler/Loop.c
@@ -309,7 +309,7 @@
             dvmCompilerDataFlowAttributes[mir->dalvikInsn.opcode];
 
         /* Skip extended MIR instructions */
-        if (dInsn->opcode >= kNumDalvikInstructions) continue;
+        if (dInsn->opcode >= kNumPackedOpcodes) continue;
 
         int instrFlags = dexGetFlagsFromOpcode(dInsn->opcode);
 
diff --git a/vm/compiler/codegen/arm/CodegenCommon.c b/vm/compiler/codegen/arm/CodegenCommon.c
index 05cead3..4a20579 100644
--- a/vm/compiler/codegen/arm/CodegenCommon.c
+++ b/vm/compiler/codegen/arm/CodegenCommon.c
@@ -30,7 +30,7 @@
 static intptr_t templateEntryOffsets[TEMPLATE_LAST_MARK];
 
 /* Track exercised opcodes */
-static int opcodeCoverage[kNumDalvikInstructions];
+static int opcodeCoverage[kNumPackedOpcodes];
 
 static void setMemRefType(ArmLIR *lir, bool isLoad, int memType)
 {
diff --git a/vm/compiler/codegen/arm/CodegenDriver.c b/vm/compiler/codegen/arm/CodegenDriver.c
index 0c5b617..98236b6 100644
--- a/vm/compiler/codegen/arm/CodegenDriver.c
+++ b/vm/compiler/codegen/arm/CodegenDriver.c
@@ -4383,13 +4383,13 @@
 
     streak = i = 0;
     buf[0] = 0;
-    while (opcodeCoverage[i] == 0 && i < kNumDalvikInstructions) {
+    while (opcodeCoverage[i] == 0 && i < kNumPackedOpcodes) {
         i++;
     }
-    if (i == kNumDalvikInstructions) {
+    if (i == kNumPackedOpcodes) {
         return;
     }
-    for (start = i++, streak = 1; i < kNumDalvikInstructions; i++) {
+    for (start = i++, streak = 1; i < kNumPackedOpcodes; i++) {
         if (opcodeCoverage[i]) {
             streak++;
         } else {
@@ -4399,10 +4399,10 @@
                 sprintf(buf+strlen(buf), "%x-%x,", start, start + streak - 1);
             }
             streak = 0;
-            while (opcodeCoverage[i] == 0 && i < kNumDalvikInstructions) {
+            while (opcodeCoverage[i] == 0 && i < kNumPackedOpcodes) {
                 i++;
             }
-            if (i < kNumDalvikInstructions) {
+            if (i < kNumPackedOpcodes) {
                 streak = 1;
                 start = i;
             }
diff --git a/vm/compiler/codegen/x86/CodegenDriver.c b/vm/compiler/codegen/x86/CodegenDriver.c
index 60f003b..69f637e 100644
--- a/vm/compiler/codegen/x86/CodegenDriver.c
+++ b/vm/compiler/codegen/x86/CodegenDriver.c
@@ -24,7 +24,7 @@
  * applicable directory below this one.
  */
 
-static int opcodeCoverage[kNumDalvikInstructions];
+static int opcodeCoverage[kNumPackedOpcodes];
 static intptr_t templateEntryOffsets[TEMPLATE_LAST_MARK];
 
 /*
@@ -196,13 +196,13 @@
 
     streak = i = 0;
     buf[0] = 0;
-    while (opcodeCoverage[i] == 0 && i < kNumDalvikInstructions) {
+    while (opcodeCoverage[i] == 0 && i < kNumPackedOpcodes) {
         i++;
     }
-    if (i == kNumDalvikInstructions) {
+    if (i == kNumPackedOpcodes) {
         return;
     }
-    for (start = i++, streak = 1; i < kNumDalvikInstructions; i++) {
+    for (start = i++, streak = 1; i < kNumPackedOpcodes; i++) {
         if (opcodeCoverage[i]) {
             streak++;
         } else {
@@ -212,10 +212,10 @@
                 sprintf(buf+strlen(buf), "%x-%x,", start, start + streak - 1);
             }
             streak = 0;
-            while (opcodeCoverage[i] == 0 && i < kNumDalvikInstructions) {
+            while (opcodeCoverage[i] == 0 && i < kNumPackedOpcodes) {
                 i++;
             }
-            if (i < kNumDalvikInstructions) {
+            if (i < kNumPackedOpcodes) {
                 streak = 1;
                 start = i;
             }
diff --git a/vm/compiler/template/gen-template.py b/vm/compiler/template/gen-template.py
index addb21e..02e9107 100755
--- a/vm/compiler/template/gen-template.py
+++ b/vm/compiler/template/gen-template.py
@@ -146,7 +146,7 @@
 
 #
 # Extract an ordered list of instructions from the VM sources.  We use the
-# "goto table" definition macro, which has exactly kNumDalvikInstructions
+# "goto table" definition macro, which has exactly kNumPackedOpcodes
 # entries.
 #
 def getOpcodeList():
@@ -164,7 +164,7 @@
 
 
 #
-# Load and emit opcodes for all kNumDalvikInstructions instructions.
+# Load and emit opcodes for all kNumPackedOpcodes instructions.
 #
 def loadAndEmitOpcodes():
     sister_list = []