Optimize putobject codegen
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e7909467df
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c61238a276
@ -265,15 +265,31 @@ gen_putnil(jitstate_t* jit, ctx_t* ctx)
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static bool
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static bool
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gen_putobject(jitstate_t* jit, ctx_t* ctx)
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gen_putobject(jitstate_t* jit, ctx_t* ctx)
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{
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{
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VALUE arg = jit_get_arg(jit, 0);
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if (FIXNUM_P(arg))
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{
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// Keep track of the fixnum type tag
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x86opnd_t stack_top = ctx_stack_push(ctx, T_FIXNUM);
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mov(cb, stack_top, imm_opnd((int64_t)arg));
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}
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else if (arg == Qtrue || arg == Qfalse)
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{
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x86opnd_t stack_top = ctx_stack_push(ctx, T_NONE);
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mov(cb, stack_top, imm_opnd((int64_t)arg));
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}
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else
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{
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// Load the argument from the bytecode sequence.
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// Load the argument from the bytecode sequence.
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// We need to do this as the argument can change due to GC compaction.
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// We need to do this as the argument can change due to GC compaction.
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x86opnd_t pc_imm = const_ptr_opnd((void*)jit->pc);
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x86opnd_t pc_plus_one = const_ptr_opnd((void*)(jit->pc + 1));
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mov(cb, RAX, pc_imm);
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mov(cb, RAX, pc_plus_one);
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mov(cb, RAX, mem_opnd(64, RAX, 8)); // One after the opcode
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mov(cb, RAX, mem_opnd(64, RAX, 0));
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// Write argument at SP
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// Write argument at SP
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x86opnd_t stack_top = ctx_stack_push(ctx, T_NONE);
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x86opnd_t stack_top = ctx_stack_push(ctx, T_NONE);
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mov(cb, stack_top, RAX);
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mov(cb, stack_top, RAX);
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}
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return true;
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return true;
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}
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}
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