src/x64/code-stubs-x64.cc - Issue 306513002: Convert ElementsKind into a BitField

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Unified Diff: src/x64/code-stubs-x64.cc

Issue 306513002: Convert ElementsKind into a BitField (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 7 months ago

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Index: src/x64/code-stubs-x64.cc

diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc

index a63288f2cb59ee4df39109fff6e69e3384ebbfb2..b8f9759a8450e87266a0d164351daef0629db7e3 100644

--- a/src/x64/code-stubs-x64.cc

+++ b/src/x64/code-stubs-x64.cc

@@ -4895,8 +4895,7 @@ void InternalArrayConstructorStub::Generate(MacroAssembler* masm) {

// but the following masking takes care of that anyway.

__ movzxbp(rcx, FieldOperand(rcx, Map::kBitField2Offset));

// Retrieve elements_kind from bit field 2.

- __ andp(rcx, Immediate(Map::kElementsKindMask));

- __ shrp(rcx, Immediate(Map::kElementsKindShift));

+ __ DecodeField<Map::ElementsKindBits>(rcx);

if (FLAG_debug_code) {

Label done;

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