Reviewers: ulan, jochen,
Message:
This is a port of the arm64 similar commit.
Description:
ARM: Use the shifter operand to merge in previous shift instructions.
When possible, we transform sequences of code of the form
lsl r1, r2, #imm
add r0, r5, r1
into
add r0, r5, r2 LSL #imm
This is an adaptation of r21161.
Please review this at https://codereview.chromium.org/312173002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+269, -15 lines):
M src/arm/assembler-arm.h
M src/arm/assembler-arm.cc
M src/arm/constants-arm.h
M src/arm/lithium-arm.h
M src/arm/lithium-arm.cc
M src/arm/lithium-codegen-arm.h
M src/arm/lithium-codegen-arm.cc
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