JavaScriptCore-7600.1.4.13.1.tar.gz

[apple/javascriptcore.git] / bytecode / Opcode.cpp

diff --git a/bytecode/Opcode.cpp b/bytecode/Opcode.cpp
index bb7696dd8d6df5e84815c41184bddb9d485ff13d..3efa3493422cd30937f85d0c0698343a1bbd359a 100644 (file)
--- a/bytecode/Opcode.cpp
+++ b/bytecode/Opcode.cpp
@@ -11,7 +11,7 @@
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
@@ -30,20 +30,21 @@
 #include "config.h"
 #include "Opcode.h"
 
+#if ENABLE(OPCODE_STATS)
+#include <array>
+#include <wtf/DataLog.h>
+#endif
+
 using namespace std;
 
 namespace JSC {
 
-#if ENABLE(OPCODE_SAMPLING) || ENABLE(CODEBLOCK_SAMPLING) || ENABLE(OPCODE_STATS)
-
 const char* const opcodeNames[] = {
 #define OPCODE_NAME_ENTRY(opcode, size) #opcode,
     FOR_EACH_OPCODE_ID(OPCODE_NAME_ENTRY)
 #undef OPCODE_NAME_ENTRY
 };
 
-#endif
-
 #if ENABLE(OPCODE_STATS)
 
 long long OpcodeStats::opcodeCounts[numOpcodeIDs];
@@ -77,9 +78,9 @@ static int compareOpcodeIndices(const void* left, const void* right)
 
 static int compareOpcodePairIndices(const void* left, const void* right)
 {
-    pair<int, int> leftPair = *(pair<int, int>*) left;
+    std::pair<int, int> leftPair = *(pair<int, int>*) left;
     long long leftValue = OpcodeStats::opcodePairCounts[leftPair.first][leftPair.second];
-    pair<int, int> rightPair = *(pair<int, int>*) right;
+    std::pair<int, int> rightPair = *(pair<int, int>*) right;
     long long rightValue = OpcodeStats::opcodePairCounts[rightPair.first][rightPair.second];
     
     if (leftValue < rightValue)
@@ -101,44 +102,44 @@ OpcodeStats::~OpcodeStats()
         for (int j = 0; j < numOpcodeIDs; ++j)
             totalInstructionPairs += opcodePairCounts[i][j];
 
-    int sortedIndices[numOpcodeIDs];    
+    std::array<int, numOpcodeIDs> sortedIndices;
     for (int i = 0; i < numOpcodeIDs; ++i)
         sortedIndices[i] = i;
-    qsort(sortedIndices, numOpcodeIDs, sizeof(int), compareOpcodeIndices);
+    qsort(sortedIndices.data(), numOpcodeIDs, sizeof(int), compareOpcodeIndices);
     
-    pair<int, int> sortedPairIndices[numOpcodeIDs * numOpcodeIDs];
-    pair<int, int>* currentPairIndex = sortedPairIndices;
+    std::pair<int, int> sortedPairIndices[numOpcodeIDs * numOpcodeIDs];
+    std::pair<int, int>* currentPairIndex = sortedPairIndices;
     for (int i = 0; i < numOpcodeIDs; ++i)
         for (int j = 0; j < numOpcodeIDs; ++j)
-            *(currentPairIndex++) = make_pair(i, j);
-    qsort(sortedPairIndices, numOpcodeIDs * numOpcodeIDs, sizeof(pair<int, int>), compareOpcodePairIndices);
+            *(currentPairIndex++) = std::make_pair(i, j);
+    qsort(sortedPairIndices, numOpcodeIDs * numOpcodeIDs, sizeof(std::pair<int, int>), compareOpcodePairIndices);
     
-    printf("\nExecuted opcode statistics\n"); 
+    dataLogF("\nExecuted opcode statistics\n"); 
     
-    printf("Total instructions executed: %lld\n\n", totalInstructions);
+    dataLogF("Total instructions executed: %lld\n\n", totalInstructions);
 
-    printf("All opcodes by frequency:\n\n");
+    dataLogF("All opcodes by frequency:\n\n");
 
     for (int i = 0; i < numOpcodeIDs; ++i) {
         int index = sortedIndices[i];
-        printf("%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCounts[index], ((double) opcodeCounts[index]) / ((double) totalInstructions) * 100.0);    
+        dataLogF("%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCounts[index], ((double) opcodeCounts[index]) / ((double) totalInstructions) * 100.0);    
     }
     
-    printf("\n");
-    printf("2-opcode sequences by frequency: %lld\n\n", totalInstructions);
+    dataLogF("\n");
+    dataLogF("2-opcode sequences by frequency: %lld\n\n", totalInstructions);
     
     for (int i = 0; i < numOpcodeIDs * numOpcodeIDs; ++i) {
-        pair<int, int> indexPair = sortedPairIndices[i];
+        std::pair<int, int> indexPair = sortedPairIndices[i];
         long long count = opcodePairCounts[indexPair.first][indexPair.second];
         
         if (!count)
             break;
         
-        printf("%s%s %s:%s %lld %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), count, ((double) count) / ((double) totalInstructionPairs) * 100.0);
+        dataLogF("%s%s %s:%s %lld %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), count, ((double) count) / ((double) totalInstructionPairs) * 100.0);
     }
     
-    printf("\n");
-    printf("Most common opcodes and sequences:\n");
+    dataLogF("\n");
+    dataLogF("Most common opcodes and sequences:\n");
 
     for (int i = 0; i < numOpcodeIDs; ++i) {
         int index = sortedIndices[i];
@@ -146,10 +147,10 @@ OpcodeStats::~OpcodeStats()
         double opcodeProportion = ((double) opcodeCount) / ((double) totalInstructions);
         if (opcodeProportion < 0.0001)
             break;
-        printf("\n%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCount, opcodeProportion * 100.0);
+        dataLogF("\n%s:%s %lld - %.2f%%\n", opcodeNames[index], padOpcodeName((OpcodeID)index, 28), opcodeCount, opcodeProportion * 100.0);
 
         for (int j = 0; j < numOpcodeIDs * numOpcodeIDs; ++j) {
-            pair<int, int> indexPair = sortedPairIndices[j];
+            std::pair<int, int> indexPair = sortedPairIndices[j];
             long long pairCount = opcodePairCounts[indexPair.first][indexPair.second];
             double pairProportion = ((double) pairCount) / ((double) totalInstructionPairs);
         
@@ -159,11 +160,11 @@ OpcodeStats::~OpcodeStats()
             if (indexPair.first != index && indexPair.second != index)
                 continue;
 
-            printf("    %s%s %s:%s %lld - %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), pairCount, pairProportion * 100.0);
+            dataLogF("    %s%s %s:%s %lld - %.2f%%\n", opcodeNames[indexPair.first], padOpcodeName((OpcodeID)indexPair.first, 28), opcodeNames[indexPair.second], padOpcodeName((OpcodeID)indexPair.second, 28), pairCount, pairProportion * 100.0);
         }
         
     }
-    printf("\n");
+    dataLogF("\n");
 }
 
 void OpcodeStats::recordInstruction(int opcode)