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Diffstat (limited to 'src/compiler/codegen/CodegenUtil.cc')
-rw-r--r--src/compiler/codegen/CodegenUtil.cc209
1 files changed, 189 insertions, 20 deletions
diff --git a/src/compiler/codegen/CodegenUtil.cc b/src/compiler/codegen/CodegenUtil.cc
index 4eccf04814..96a9b2176f 100644
--- a/src/compiler/codegen/CodegenUtil.cc
+++ b/src/compiler/codegen/CodegenUtil.cc
@@ -154,6 +154,7 @@ void setupResourceMasks(LIR* lir)
lir->defMask |= ENCODE_REG_LIST(lir->operands[1]);
}
+#if defined(TARGET_ARM)
if (flags & REG_DEF_FPCS_LIST0) {
lir->defMask |= ENCODE_REG_FPCS_LIST(lir->operands[0]);
}
@@ -163,6 +164,7 @@ void setupResourceMasks(LIR* lir)
setupRegMask(&lir->defMask, lir->operands[1] + i);
}
}
+#endif
if (flags & SETS_CCODES) {
lir->defMask |= ENCODE_CCODE;
@@ -201,6 +203,7 @@ void setupResourceMasks(LIR* lir)
lir->useMask |= ENCODE_REG_LIST(lir->operands[1]);
}
+#if defined(TARGET_ARM)
if (flags & REG_USE_FPCS_LIST0) {
lir->useMask |= ENCODE_REG_FPCS_LIST(lir->operands[0]);
}
@@ -210,6 +213,7 @@ void setupResourceMasks(LIR* lir)
setupRegMask(&lir->useMask, lir->operands[1] + i);
}
}
+#endif
if (flags & USES_CCODES) {
lir->useMask |= ENCODE_CCODE;
@@ -231,10 +235,186 @@ void setupResourceMasks(LIR* lir)
}
/*
+ * Debugging macros
+ */
+#define DUMP_RESOURCE_MASK(X)
+#define DUMP_SSA_REP(X)
+
+/* Pretty-print a LIR instruction */
+void oatDumpLIRInsn(CompilationUnit* cUnit, LIR* arg, unsigned char* baseAddr)
+{
+ LIR* lir = (LIR*) arg;
+ int offset = lir->offset;
+ int dest = lir->operands[0];
+ const bool dumpNop = false;
+
+ /* Handle pseudo-ops individually, and all regular insns as a group */
+ switch(lir->opcode) {
+ case kPseudoMethodEntry:
+ LOG(INFO) << "-------- method entry " <<
+ PrettyMethod(cUnit->method_idx, *cUnit->dex_file);
+ break;
+ case kPseudoMethodExit:
+ LOG(INFO) << "-------- Method_Exit";
+ break;
+ case kPseudoBarrier:
+ LOG(INFO) << "-------- BARRIER";
+ break;
+ case kPseudoExtended:
+ LOG(INFO) << "-------- " << (char* ) dest;
+ break;
+ case kPseudoSSARep:
+ DUMP_SSA_REP(LOG(INFO) << "-------- kMirOpPhi: " << (char* ) dest);
+ break;
+ case kPseudoEntryBlock:
+ LOG(INFO) << "-------- entry offset: 0x" << std::hex << dest;
+ break;
+ case kPseudoDalvikByteCodeBoundary:
+ LOG(INFO) << "-------- dalvik offset: 0x" << std::hex <<
+ lir->dalvikOffset << " @ " << (char* )lir->operands[0];
+ break;
+ case kPseudoExitBlock:
+ LOG(INFO) << "-------- exit offset: 0x" << std::hex << dest;
+ break;
+ case kPseudoPseudoAlign4:
+ LOG(INFO) << (intptr_t)baseAddr + offset << " (0x" << std::hex <<
+ offset << "): .align4";
+ break;
+ case kPseudoEHBlockLabel:
+ LOG(INFO) << "Exception_Handling:";
+ break;
+ case kPseudoTargetLabel:
+ case kPseudoNormalBlockLabel:
+ LOG(INFO) << "L" << (intptr_t)lir << ":";
+ break;
+ case kPseudoThrowTarget:
+ LOG(INFO) << "LT" << (intptr_t)lir << ":";
+ break;
+ case kPseudoSuspendTarget:
+ LOG(INFO) << "LS" << (intptr_t)lir << ":";
+ break;
+ case kPseudoCaseLabel:
+ LOG(INFO) << "LC" << (intptr_t)lir << ": Case target 0x" <<
+ std::hex << lir->operands[0] << "|" << std::dec <<
+ lir->operands[0];
+ break;
+ default:
+ if (lir->flags.isNop && !dumpNop) {
+ break;
+ } else {
+ std::string op_name(buildInsnString(EncodingMap[lir->opcode].name, lir, baseAddr));
+ std::string op_operands(buildInsnString(EncodingMap[lir->opcode].fmt, lir, baseAddr));
+ LOG(INFO) << StringPrintf("%p (%04x): %-9s%s%s", baseAddr + offset, offset,
+ op_name.c_str(), op_operands.c_str(), lir->flags.isNop ? "(nop)" : "");
+ }
+ break;
+ }
+
+ if (lir->useMask && (!lir->flags.isNop || dumpNop)) {
+ DUMP_RESOURCE_MASK(oatDumpResourceMask((LIR* ) lir,
+ lir->useMask, "use"));
+ }
+ if (lir->defMask && (!lir->flags.isNop || dumpNop)) {
+ DUMP_RESOURCE_MASK(oatDumpResourceMask((LIR* ) lir,
+ lir->defMask, "def"));
+ }
+}
+
+void oatDumpPromotionMap(CompilationUnit *cUnit)
+{
+ for (int i = 0; i < cUnit->numDalvikRegisters; i++) {
+ PromotionMap vRegMap = cUnit->promotionMap[i];
+ char buf[100];
+ if (vRegMap.fpLocation == kLocPhysReg) {
+ snprintf(buf, 100, " : s%d", vRegMap.fpReg & FP_REG_MASK);
+ } else {
+ buf[0] = 0;
+ }
+ char buf2[100];
+ snprintf(buf2, 100, "V[%02d] -> %s%d%s", i,
+ vRegMap.coreLocation == kLocPhysReg ?
+ "r" : "SP+", vRegMap.coreLocation == kLocPhysReg ?
+ vRegMap.coreReg : oatSRegOffset(cUnit, i), buf);
+ LOG(INFO) << buf2;
+ }
+}
+
+void oatDumpFullPromotionMap(CompilationUnit *cUnit)
+{
+ for (int i = 0; i < cUnit->numDalvikRegisters; i++) {
+ PromotionMap vRegMap = cUnit->promotionMap[i];
+ LOG(INFO) << i << " -> " << "CL:" << (int)vRegMap.coreLocation <<
+ ", CR:" << (int)vRegMap.coreReg << ", FL:" <<
+ (int)vRegMap.fpLocation << ", FR:" << (int)vRegMap.fpReg <<
+ ", - " << (int)vRegMap.firstInPair;
+ }
+}
+
+/* Dump instructions and constant pool contents */
+void oatCodegenDump(CompilationUnit* cUnit)
+{
+ LOG(INFO) << "/*";
+ LOG(INFO) << "Dumping LIR insns for "
+ << PrettyMethod(cUnit->method_idx, *cUnit->dex_file);
+ LIR* lirInsn;
+ LIR* thisLIR;
+ int insnsSize = cUnit->insnsSize;
+
+ LOG(INFO) << "Regs (excluding ins) : " << cUnit->numRegs;
+ LOG(INFO) << "Ins : " << cUnit->numIns;
+ LOG(INFO) << "Outs : " << cUnit->numOuts;
+ LOG(INFO) << "CoreSpills : " << cUnit->numCoreSpills;
+ LOG(INFO) << "FPSpills : " << cUnit->numFPSpills;
+ LOG(INFO) << "Padding : " << cUnit->numPadding;
+ LOG(INFO) << "Frame size : " << cUnit->frameSize;
+ LOG(INFO) << "Start of ins : " << cUnit->insOffset;
+ LOG(INFO) << "Start of regs : " << cUnit->regsOffset;
+ LOG(INFO) << "code size is " << cUnit->totalSize <<
+ " bytes, Dalvik size is " << insnsSize * 2;
+ LOG(INFO) << "expansion factor: " <<
+ (float)cUnit->totalSize / (float)(insnsSize * 2);
+ oatDumpPromotionMap(cUnit);
+ for (lirInsn = cUnit->firstLIRInsn; lirInsn; lirInsn = lirInsn->next) {
+ oatDumpLIRInsn(cUnit, lirInsn, 0);
+ }
+ for (lirInsn = cUnit->classPointerList; lirInsn; lirInsn = lirInsn->next) {
+ thisLIR = (LIR*) lirInsn;
+ LOG(INFO) << StringPrintf("%x (%04x): .class (%s)",
+ thisLIR->offset, thisLIR->offset,
+ ((CallsiteInfo *) thisLIR->operands[0])->classDescriptor);
+ }
+ for (lirInsn = cUnit->literalList; lirInsn; lirInsn = lirInsn->next) {
+ thisLIR = (LIR*) lirInsn;
+ LOG(INFO) << StringPrintf("%x (%04x): .word (%#x)",
+ thisLIR->offset, thisLIR->offset, thisLIR->operands[0]);
+ }
+
+ const DexFile::MethodId& method_id =
+ cUnit->dex_file->GetMethodId(cUnit->method_idx);
+ std::string signature(cUnit->dex_file->GetMethodSignature(method_id));
+ std::string name(cUnit->dex_file->GetMethodName(method_id));
+ std::string descriptor(cUnit->dex_file->GetMethodDeclaringClassDescriptor(method_id));
+
+ // Dump mapping table
+ if (cUnit->mappingTable.size() > 0) {
+ std::string line(StringPrintf("\n MappingTable %s%s_%s_mappingTable[%zu] = {",
+ descriptor.c_str(), name.c_str(), signature.c_str(), cUnit->mappingTable.size()));
+ std::replace(line.begin(), line.end(), ';', '_');
+ LOG(INFO) << line;
+ for (uint32_t i = 0; i < cUnit->mappingTable.size(); i+=2) {
+ line = StringPrintf(" {0x%08x, 0x%04x},",
+ cUnit->mappingTable[i], cUnit->mappingTable[i+1]);
+ LOG(INFO) << line;
+ }
+ LOG(INFO) <<" };\n\n";
+ }
+}
+
+/*
* The following are building blocks to construct low-level IRs with 0 - 4
* operands.
*/
-LIR* newLIR0(CompilationUnit* cUnit, ArmOpcode opcode)
+LIR* newLIR0(CompilationUnit* cUnit, int opcode)
{
LIR* insn = (LIR* ) oatNew(cUnit, sizeof(LIR), true, kAllocLIR);
DCHECK(isPseudoOpcode(opcode) || (EncodingMap[opcode].flags & NO_OPERAND));
@@ -245,7 +425,7 @@ LIR* newLIR0(CompilationUnit* cUnit, ArmOpcode opcode)
return insn;
}
-LIR* newLIR1(CompilationUnit* cUnit, ArmOpcode opcode,
+LIR* newLIR1(CompilationUnit* cUnit, int opcode,
int dest)
{
LIR* insn = (LIR* ) oatNew(cUnit, sizeof(LIR), true, kAllocLIR);
@@ -258,7 +438,7 @@ LIR* newLIR1(CompilationUnit* cUnit, ArmOpcode opcode,
return insn;
}
-LIR* newLIR2(CompilationUnit* cUnit, ArmOpcode opcode,
+LIR* newLIR2(CompilationUnit* cUnit, int opcode,
int dest, int src1)
{
LIR* insn = (LIR* ) oatNew(cUnit, sizeof(LIR), true, kAllocLIR);
@@ -273,7 +453,7 @@ LIR* newLIR2(CompilationUnit* cUnit, ArmOpcode opcode,
return insn;
}
-LIR* newLIR3(CompilationUnit* cUnit, ArmOpcode opcode,
+LIR* newLIR3(CompilationUnit* cUnit, int opcode,
int dest, int src1, int src2)
{
LIR* insn = (LIR* ) oatNew(cUnit, sizeof(LIR), true, kAllocLIR);
@@ -293,7 +473,7 @@ LIR* newLIR3(CompilationUnit* cUnit, ArmOpcode opcode,
}
#if defined(TARGET_ARM)
-LIR* newLIR4(CompilationUnit* cUnit, ArmOpcode opcode,
+LIR* newLIR4(CompilationUnit* cUnit, int opcode,
int dest, int src1, int src2, int info)
{
LIR* insn = (LIR* ) oatNew(cUnit, sizeof(LIR), true, kAllocLIR);
@@ -350,7 +530,7 @@ LIR* scanLiteralPoolWide(LIR* dataTarget, int valLo, int valHi)
* instruction streams.
*/
-/* Add a 32-bit constant either in the constant pool or mixed with code */
+/* Add a 32-bit constant either in the constant pool */
LIR* addWordData(CompilationUnit* cUnit, LIR* *constantListP,
int value)
{
@@ -362,10 +542,6 @@ LIR* addWordData(CompilationUnit* cUnit, LIR* *constantListP,
newValue->next = *constantListP;
*constantListP = (LIR*) newValue;
return newValue;
- } else {
- /* Add the constant in the middle of code stream */
- newLIR1(cUnit, kArm16BitData, (value & 0xffff));
- newLIR1(cUnit, kArm16BitData, (value >> 16));
}
return NULL;
}
@@ -374,17 +550,10 @@ LIR* addWordData(CompilationUnit* cUnit, LIR* *constantListP,
LIR* addWideData(CompilationUnit* cUnit, LIR* *constantListP,
int valLo, int valHi)
{
- LIR* res;
//FIXME: hard-coded little endian, need BE variant
- if (constantListP == NULL) {
- res = addWordData(cUnit, NULL, valLo);
- addWordData(cUnit, NULL, valHi);
- } else {
- // Insert high word into list first
- addWordData(cUnit, constantListP, valHi);
- res = addWordData(cUnit, constantListP, valLo);
- }
- return res;
+ // Insert high word into list first
+ addWordData(cUnit, constantListP, valHi);
+ return addWordData(cUnit, constantListP, valLo);
}
void pushWord(std::vector<uint16_t>&buf, int data) {