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Skip invalidation for trace_ insns

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This commit is contained in:
Takashi Kokubun 2023-02-19 23:05:29 -08:00
parent feb60f6f51
commit bef63f445b
Notes: git 2023-03-06 07:29:56 +00:00
2 changed files with 21 additions and 11 deletions
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19
lib/ruby_vm/mjit/compiler.rb
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@ -203,6 +203,12 @@ module RubyVM::MJIT
break
when CantCompile
@exit_compiler.compile_side_exit(jit.pc, ctx, asm)
# If this is the first instruction, this block never needs to be invalidated.
if block.pc == iseq.body.iseq_encoded.to_i + index * C.VALUE.size
block.invalidated = true
end
break
else
raise "compiling #{insn.name} returned unexpected status: #{status.inspect}"
@ -224,11 +230,14 @@ module RubyVM::MJIT
remove_block(iseq, block)
# Invalidate the block with entry exit
@cb.with_write_addr(block.start_addr) do
asm = Assembler.new
asm.comment('invalidate_block')
asm.jmp(block.entry_exit)
@cb.write(asm)
unless block.invalidated
@cb.with_write_addr(block.start_addr) do
asm = Assembler.new
asm.comment('invalidate_block')
asm.jmp(block.entry_exit)
@cb.write(asm)
end
block.invalidated = true
end
# Re-stub incoming branches