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ruby--ruby/tool/ruby_vm
k0kubun 6a4bb345df mjit_compile.c: resurrect local variable stack
This optimization was reverted on r63863, but this commit resurrects the
optimization to skip some sp motions on JIT execution.

tool/ruby_vm/views/_mjit_compile_insn_body.erb: ditto
tool/ruby_vm/views/_mjit_compile_insn.erb: ditto

insns.def: resurrect handles_frame as handles_stack, which was deleted
on r63763.
tool/ruby_vm/models/bare_instructions.rb: ditto

vm_insnhelper.c: prevent moving sp outside insns.def to allow modifying
it by JIT.

* Optcarrot benchmark

$ benchmark-driver benchmark.yml --rbenv 'before --jit;after --jit' --repeat-count 12 -v
before --jit: ruby 2.6.0dev (2018-07-17 trunk 63987) +JIT [x86_64-linux]
after --jit: ruby 2.6.0dev (2018-07-17 local-stack 63987) +JIT [x86_64-linux]
last_commit=mjit_compile.c: resurrect local variable stack
Calculating -------------------------------------
                         before --jit  after --jit
Optcarrot Lan_Master.nes       70.518       72.144 fps

Comparison:
             Optcarrot Lan_Master.nes
             after --jit:        72.1 fps
            before --jit:        70.5 fps - 1.02x  slower

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63988 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-07-17 15:09:41 +00:00
..
controllers dumper.rb: stop getting --destdir option value 2018-01-27 01:59:08 +00:00
helpers Refactor ERB version checking for keyword arguments 2018-02-27 11:12:23 +00:00
loaders tool/ruby_vm support for pre-2.0 BASERUBY 2018-01-12 08:38:12 +00:00
models mjit_compile.c: resurrect local variable stack 2018-07-17 15:09:41 +00:00
scripts tool/ruby_vm/scripts/insns2vm.rb: fix typo in r62064 2018-04-06 20:50:28 +00:00
tests new insns.def format (2nd try) 2018-01-12 08:38:07 +00:00
views mjit_compile.c: resurrect local variable stack 2018-07-17 15:09:41 +00:00