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Unified Diff: src/compiler/ppc/code-generator-ppc.cc

Issue 1131783003: Embedded constant pools. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 7 months ago
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Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index bdebd304c04495d1abc176aa75aa6bf921315bd4..bdcdbbcbb3458e9ba4f22fdba266c282546dc20c 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -1269,8 +1269,16 @@ void CodeGenerator::AssemblePrologue() {
int register_save_area_size = 0;
RegList frame_saves = fp.bit();
__ mflr(r0);
- __ Push(r0, fp);
- __ mr(fp, sp);
+ if (FLAG_enable_embedded_constant_pool) {
+ __ Push(r0, fp, kConstantPoolRegister);
+ // Adjust FP to point to saved FP.
+ __ subi(fp, sp, Operand(StandardFrameConstants::kConstantPoolOffset));
+ register_save_area_size += kPointerSize;
+ frame_saves |= kConstantPoolRegister.bit();
+ } else {
+ __ Push(r0, fp);
+ __ mr(fp, sp);
+ }
// Save callee-saved registers.
const RegList saves = descriptor->CalleeSavedRegisters() & ~frame_saves;
for (int i = Register::kNumRegisters - 1; i >= 0; i--) {
@@ -1323,6 +1331,9 @@ void CodeGenerator::AssembleReturn() {
}
// Restore registers.
RegList frame_saves = fp.bit();
+ if (FLAG_enable_embedded_constant_pool) {
+ frame_saves |= kConstantPoolRegister.bit();
+ }
const RegList saves = descriptor->CalleeSavedRegisters() & ~frame_saves;
if (saves != 0) {
__ MultiPop(saves);
@@ -1512,6 +1523,14 @@ void CodeGenerator::AssembleSwap(InstructionOperand* source,
}
}
+#if V8_EMBEDDED_CONSTANT_POOL
+
+void CodeGenerator::AssembleConstantPool() {
+ DCHECK(FLAG_enable_embedded_constant_pool);
+ __ EmitConstantPool();
+}
+
+#endif // V8_EMBEDDED_CONSTANT_POOL
void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) {
for (size_t index = 0; index < target_count; ++index) {

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