diff options
| author | Takashi Kokubun <[email protected]> | 2023-01-02 22:53:14 -0800 |
|---|---|---|
| committer | Takashi Kokubun <[email protected]> | 2023-03-05 22:11:20 -0800 |
| commit | a8dec34961d7734ad975e44efa8aae361a1c4f5a (patch) | |
| tree | 5849c716f37c959d9276ddb8c598fe1142a7f6fa /lib/ruby_vm/mjit/jit_state.rb | |
| parent | 21696ad81ec40cf9cd146836dc8c945f1e485774 (diff) | |
Implement initial opt_lt
Diffstat (limited to 'lib/ruby_vm/mjit/jit_state.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/jit_state.rb | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/ruby_vm/mjit/jit_state.rb b/lib/ruby_vm/mjit/jit_state.rb index 97e5b7ffdd..97331e8108 100644 --- a/lib/ruby_vm/mjit/jit_state.rb +++ b/lib/ruby_vm/mjit/jit_state.rb @@ -1,10 +1,13 @@ module RubyVM::MJIT class JITState < Struct.new( - :iseq, # @param `RubyVM::MJIT::CPointer::Struct_rb_iseq_t` - :pc, # @param [Integer] The JIT target PC - :cfp, # @param `RubyVM::MJIT::CPointer::Struct_rb_control_frame_t` The JIT source CFP (before MJIT is called) - :block, # @param [RubyVM::MJIT::Block] + :iseq, # @param `RubyVM::MJIT::CPointer::Struct_rb_iseq_t` + :pc, # @param [Integer] The JIT target PC + :cfp, # @param `RubyVM::MJIT::CPointer::Struct_rb_control_frame_t` The JIT source CFP (before MJIT is called) + :block, # @param [RubyVM::MJIT::Block] + :side_exits, # @param [Hash{ Integer => Integer }] { PC => address } ) + def initialize(side_exits: {}, **) = super + def operand(index) C.VALUE.new(pc)[index + 1] end @@ -12,5 +15,12 @@ module RubyVM::MJIT def at_current_insn? pc == cfp.pc.to_i end + + def peek_at_stack(offset_from_top) + raise 'not at current insn' unless at_current_insn? + offset = -(1 + offset_from_top) + value = (cfp.sp + offset).* + C.to_ruby(value) + end end end |