diff options
Diffstat (limited to 'lib/ruby_vm/mjit/insn_compiler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/insn_compiler.rb | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/lib/ruby_vm/mjit/insn_compiler.rb b/lib/ruby_vm/mjit/insn_compiler.rb index 7426f678ba..dabc0b385c 100644 --- a/lib/ruby_vm/mjit/insn_compiler.rb +++ b/lib/ruby_vm/mjit/insn_compiler.rb @@ -23,7 +23,7 @@ module RubyVM::MJIT asm.incr_counter(:mjit_insns_count) asm.comment("Insn: #{insn.name}") - # 45/101 + # 46/101 case insn.name when :nop then nop(jit, ctx, asm) when :getlocal then getlocal(jit, ctx, asm) @@ -37,7 +37,7 @@ module RubyVM::MJIT when :setinstancevariable then setinstancevariable(jit, ctx, asm) # getclassvariable # setclassvariable - # opt_getconstant_path + when :opt_getconstant_path then opt_getconstant_path(jit, ctx, asm) # getconstant # setconstant # getglobal @@ -209,7 +209,47 @@ module RubyVM::MJIT # getclassvariable # setclassvariable - # opt_getconstant_path + + # @param jit [RubyVM::MJIT::JITState] + # @param ctx [RubyVM::MJIT::Context] + # @param asm [RubyVM::MJIT::Assembler] + def opt_getconstant_path(jit, ctx, asm) + ic = C.iseq_inline_constant_cache.new(jit.operand(0)) + idlist = ic.segments + + # See vm_ic_hit_p(). The same conditions are checked in yjit_constant_ic_update(). + ice = ic.entry + if ice.nil? + # In this case, leave a block that unconditionally side exits + # for the interpreter to invalidate. + return CantCompile + end + + # Make sure there is an exit for this block as the interpreter might want + # to invalidate this block from yjit_constant_ic_update(). + Invariants.ensure_block_entry_exit(jit, cause: 'opt_getconstant_path') + + if ice.ic_cref # with cref + # Not supported yet + return CantCompile + else # without cref + # TODO: implement this + # Optimize for single ractor mode. + # if !assume_single_ractor_mode(jit, ocb) + # return CantCompile + # end + + # Invalidate output code on any constant writes associated with + # constants referenced within the current block. + #assume_stable_constant_names(jit, ocb, idlist); + + putobject(jit, ctx, asm, val: ice.value) + end + + jump_to_next_insn(jit, ctx, asm) + EndBlock + end + # getconstant # setconstant # getglobal |