Reviewers: Weiliang,
Message:
PTAL
Description:
X87: [stubs] Optimize LoadGlobalViaContextStub and
StoreGlobalViaContextStub.
port d6ee366d5c5aef7c6bc550889a33520058b4e33a (r29834).
original commit message:
This is the initial round of optimizations for the
LoadGlobalViaContextStub and StoreGlobalViaContextStub, basically
turning them into platform code stubs to avoid the Crankshaft overhead
in the fast case, and making the runtime interface cheaper.
BUG=
Please review this at https://codereview.chromium.org/1258513003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+220, -40 lines):
M src/x87/code-stubs-x87.cc
M src/x87/full-codegen-x87.cc
M src/x87/interface-descriptors-x87.cc
M src/x87/lithium-codegen-x87.cc
M src/x87/macro-assembler-x87.h
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