diff options
| author | Takashi Kokubun <[email protected]> | 2023-02-19 23:05:29 -0800 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-05 23:28:59 -0800 |
| commit | bef63f445b85bcfea5e76a724ee3b03be35a82cf (patch) | |
| tree | c64fe805b9488080d85cba4a87305c2c71315e52 /lib/ruby_vm/mjit/compiler.rb | |
| parent | feb60f6f5107561f2e83e3f53b1db52d2b201708 (diff) | |
Skip invalidation for trace_ insns
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/7448
Diffstat (limited to 'lib/ruby_vm/mjit/compiler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/compiler.rb | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/lib/ruby_vm/mjit/compiler.rb b/lib/ruby_vm/mjit/compiler.rb index 967adec2aa..f19e1bd6fb 100644 --- a/lib/ruby_vm/mjit/compiler.rb +++ b/lib/ruby_vm/mjit/compiler.rb @@ -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 |