Reviewers: Yang,
Message:
Simplifies code and gives small performance improvement for Array.shift() in
loops (i.e. Havlak).
PTAL
Description:
Inline Array.shift() fast path instead of using a code stub.
TEST=mjsunit/array-shift,mjsunit/array-shift2,mjsunit/array-shift3
Please review this at https://codereview.chromium.org/308793010/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+88, -429 lines):
M src/arm/code-stubs-arm.cc
M src/arm/lithium-arm.h
M src/arm/lithium-arm.cc
M src/arm/lithium-codegen-arm.cc
M src/arm64/code-stubs-arm64.cc
M src/arm64/lithium-arm64.h
M src/arm64/lithium-arm64.cc
M src/arm64/lithium-codegen-arm64.cc
M src/code-stubs.h
M src/code-stubs-hydrogen.cc
M src/hydrogen.cc
M src/hydrogen-instructions.h
M src/hydrogen-instructions.cc
M src/ia32/code-stubs-ia32.cc
M src/ia32/lithium-codegen-ia32.cc
M src/ia32/lithium-ia32.h
M src/ia32/lithium-ia32.cc
M src/mips/code-stubs-mips.cc
M src/mips/lithium-codegen-mips.cc
M src/mips/lithium-mips.h
M src/mips/lithium-mips.cc
M src/x64/code-stubs-x64.cc
M src/x64/lithium-codegen-x64.cc
M src/x64/lithium-x64.h
M src/x64/lithium-x64.cc
M src/x87/code-stubs-x87.cc
M src/x87/lithium-codegen-x87.cc
M src/x87/lithium-x87.h
M src/x87/lithium-x87.cc
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