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Unified Diff: src/arm64/full-codegen-arm64.cc

Issue 942513002: Put the type feedback vector in the unoptimized JavaScript frame. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Reduced constant in deep recursion test for windows. Created 5 years, 9 months ago
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Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 015ec188cd8164f4a2f5d2544f462f11f7d11caa..a0e3972aa9214032e7e1dedad9751b6b3f424459 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -150,6 +150,7 @@ void FullCodeGenerator::Generate() {
// Add(fp, jssp, 2 * kPointerSize);
info->set_prologue_offset(masm_->pc_offset());
__ Prologue(info->IsCodePreAgingActive());
+ __ Push(FeedbackVector());
info->AddNoFrameRange(0, masm_->pc_offset());
// Reserve space on the stack for locals.
@@ -4999,7 +5000,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
__ Mov(x1, cp);
__ RecordWriteField(x0, JSGeneratorObject::kContextOffset, x1, x2,
kLRHasBeenSaved, kDontSaveFPRegs);
- __ Add(x1, fp, StandardFrameConstants::kExpressionsOffset);
+ __ Add(x1, fp, JavaScriptFrameConstants::kLocal0Offset);
__ Cmp(__ StackPointer(), x1);
__ B(eq, &post_runtime);
__ Push(x0); // generator object
@@ -5191,7 +5192,14 @@ void FullCodeGenerator::EmitGeneratorResume(Expression *generator,
fp, // Caller's frame pointer.
cp, // Callee's context.
function); // Callee's JS Function.
- __ Add(fp, __ StackPointer(), kPointerSize * 2);
+
+ // Callee's type feedback vector.
+ __ Ldr(x10, FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset));
+ __ Ldr(x10, FieldMemOperand(x10, SharedFunctionInfo::kFeedbackVectorOffset));
+ __ Push(x10);
+
+ __ Add(fp, __ StackPointer(),
+ JavaScriptFrameConstants::kUnoptimizedFixedFrameSizeFromFp);
// Load and untag the operand stack size.
__ Ldr(x10, FieldMemOperand(generator_object,
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