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#include <vm_lifters.hpp>
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namespace vmp2::lifters
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{
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// %t1 = %stack[%sp]
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// add %sp, 8
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// %vregX = %1
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lifter_callback_t sregq = [ & ]( vm::vmp_rtn_t *rtn, const vm::instrs::code_block_t &vm_code_block,
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const vm::instrs::virt_instr_t &vinstr, llvm::IRBuilder<> *ir_builder ) {
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auto old_sp =
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ir_builder->CreateLoad( llvm::IntegerType::get( *rtn->llvm_ctx, 64 ), rtn->stack_ptr, false, "old_sp" );
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auto new_sp = ir_builder->CreateSub(
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old_sp, llvm::ConstantInt::get( llvm::IntegerType::get( *rtn->llvm_ctx, 64 ), 8 ), "new_sp" );
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ir_builder->CreateStore( new_sp, rtn->stack_ptr );
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auto top_stack =
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ir_builder->CreateGEP( llvm::ArrayType::get( llvm::IntegerType::get( *rtn->llvm_ctx, 8 ), 1024 ),
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rtn->virtual_stack, new_sp, "top_stack" );
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};
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} // namespace vmp2::lifters
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