Reviewers: Weiliang, mvstanton,
Message:
weiliang.
please review this patch.
thanks
Description:
X87: Introduce FLAG_vector_ics.
port r22500.
original commit message:
Introduce FLAG_vector_ics.
When FLAG_vector_ics is true, then AST nodes that use Load and KeyedLoad
ICs
will allocate a type vector slot to store feedback information. Full
codegen
will emit a load of the slot into a register if the flag is on.
Support is incomplete, right now the IC doesn't know how to use the
feedback
slot.
BUG=
Please review this at https://codereview.chromium.org/405343002/
SVN Base: https://chromium.googlesource.com/external/v8.git@bleeding_edge
Affected files (+129, -20 lines):
M src/x87/builtins-x87.cc
M src/x87/full-codegen-x87.cc
M src/x87/ic-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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