runtime/vm/assembler_x64.cc - Issue 10546035: Intrinsify some ByteArray methods.

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Unified Diff: runtime/vm/assembler_x64.cc

Issue 10546035: Intrinsify some ByteArray methods. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: address review comments Created 8 years, 6 months ago

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Index: runtime/vm/assembler_x64.cc

diff --git a/runtime/vm/assembler_x64.cc b/runtime/vm/assembler_x64.cc

index 05b73f1ff944e608b62a7312f52dcfee9b70e13e..9618d57a308b36e448f6302aaa4822949f8224f0 100644

--- a/runtime/vm/assembler_x64.cc

+++ b/runtime/vm/assembler_x64.cc

@@ -324,7 +324,10 @@ void Assembler::movq(const Address& dst, const Immediate& imm) {

void Assembler::movsxl(Register dst, const Address& src) {

- UNIMPLEMENTED();

+ AssemblerBuffer::EnsureCapacity ensured(&buffer_);

+ EmitOperandREX(dst, src, REX_W);

+ EmitUint8(0x63);

+ EmitOperand(dst & 7, src);

}

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