src/x64/builtins-x64.cc - Issue 1276533003: [runtime] Store constructor function index on primitive maps.

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Unified Diff: src/x64/builtins-x64.cc

Issue 1276533003: [runtime] Store constructor function index on primitive maps. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Fix arm failures Created 5 years, 4 months ago

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Index: src/x64/builtins-x64.cc

diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc

index 94aa42c51aadb0a4881de57aa48fe2d6ab7e4ddc..55961c7ff059cc7ab9ddf31dd77599c0e587d70c 100644

--- a/src/x64/builtins-x64.cc

+++ b/src/x64/builtins-x64.cc

@@ -225,7 +225,10 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,

__ j(less, &no_inobject_slack_tracking);

// Allocate object with a slack.

- __ movzxbp(rsi, FieldOperand(rax, Map::kInObjectPropertiesOffset));

+ __ movzxbp(

+ rsi,

+ FieldOperand(

+ rax, Map::kInObjectPropertiesOrConstructorFunctionIndexOffset));

__ movzxbp(rax, FieldOperand(rax, Map::kUnusedPropertyFieldsOffset));

__ subp(rsi, rax);

__ leap(rsi,

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