fixes typo

gen_input/templates/asmjit/CORENAME.cpp.gtl

@@ -79,21 +79,36 @@ public:
     }
 
 protected:
-    using vm_base<ARCH>::get_reg_ptr;
+    using super::get_ptr_for;
+using super::get_reg;
+    using super::get_reg_for;
+    using super::load_reg_from_mem;
+    using super::write_reg_to_mem;
+    using super::gen_ext;
+    using super::gen_read_mem;
+    using super::gen_write_mem;
+    using super::gen_wait;
+    using super::gen_leave;
+    using super::gen_operation;
+   
     using this_class = vm_impl<ARCH>;
     using compile_func = continuation_e (this_class::*)(virt_addr_t&, code_word_t, jit_holder&);
 
     continuation_e gen_single_inst_behavior(virt_addr_t&, unsigned int &, jit_holder&) override;
+    void gen_block_prologue(jit_holder& jh) override;
+    void gen_block_epilogue(jit_holder& jh) override;
     inline const char *name(size_t index){return traits::reg_aliases.at(index);}
 
+    void gen_instr_prologue(jit_holder& jh);
+    void gen_instr_epilogue(jit_holder& jh);
+    inline void gen_raise(jit_holder& jh, uint16_t trap_id, uint16_t cause);
+
     template<unsigned W, typename U, typename S = typename std::make_signed<U>::type>
     inline S sext(U from) {
         auto mask = (1ULL<<W) - 1;
         auto sign_mask = 1ULL<<(W-1);
         return (from & mask) | ((from & sign_mask) ? ~mask : 0);
     } 
-#include <vm/asmjit/helper_func.h>
-
 private:
     /****************************************************************************
      * start opcode definitions
@@ -139,12 +154,14 @@ private:
 
         }
         x86::Compiler& cc = jh.cc;
-        cc.comment(fmt::format("\\n${instr.name}_{:#x}:",pc.val).c_str());
+        cc.comment(fmt::format("${instr.name}_{:#x}:",pc.val).c_str());
         this->gen_sync(jh, PRE_SYNC, ${idx});
-        pc=pc+ ${instr.length/8};
+        cc.mov(jh.pc, pc.val);
+        pc = pc+${instr.length/8};
+        cc.mov(jh.next_pc, pc.val);
 
-        gen_instr_prologue(jh, pc.val);
+        gen_instr_prologue(jh);
-        cc.comment("\\n//behavior:");
+        cc.comment("//behavior:");
         /*generate behavior*/
         <%instr.behavior.eachLine{%>${it}
         <%}%>
@@ -214,11 +231,6 @@ private:
     }
 };
 
-template <typename CODE_WORD> void debug_fn(CODE_WORD instr) {
-    volatile CODE_WORD x = instr;
-    instr = 2 * x;
-}
-
 template <typename ARCH> vm_impl<ARCH>::vm_impl() { this(new ARCH()); }
 
 template <typename ARCH>
@@ -232,8 +244,7 @@ vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
 }
 
 template <typename ARCH>
-continuation_e
+continuation_e vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, jit_holder& jh) {
-vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, jit_holder& jh) {
     enum {TRAP_ID=1<<16};
     code_word_t instr = 0;
     phys_addr_t paddr(pc);
@@ -251,10 +262,78 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
         f = &this_class::illegal_intruction;
     return (this->*f)(pc, instr, jh);
 }
+template <typename ARCH>
+void vm_impl<ARCH>::gen_instr_prologue(jit_holder& jh) {
+    auto& cc = jh.cc;
 
+    cc.comment("//gen_instr_prologue");
+    cc.inc(get_ptr_for(jh, traits::ICOUNT));
 
+    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
+    cc.mov(current_trap_state, get_ptr_for(jh, traits::TRAP_STATE));
+    cc.mov(get_ptr_for(jh, traits::PENDING_TRAP), current_trap_state);
 
-} // namespace ${coreDef.name.toLowerCase()}
+}
+template <typename ARCH>
+void vm_impl<ARCH>::gen_instr_epilogue(jit_holder& jh) {
+    auto& cc = jh.cc;
+
+    cc.comment("//gen_instr_epilogue");
+    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
+    cc.mov(current_trap_state, get_ptr_for(jh, traits::TRAP_STATE));
+    cc.cmp(current_trap_state, 0);
+    cc.jne(jh.trap_entry);
+}
+template <typename ARCH>
+void vm_impl<ARCH>::gen_block_prologue(jit_holder& jh){
+
+    jh.pc = load_reg_from_mem(jh, traits::PC);
+    jh.next_pc = load_reg_from_mem(jh, traits::NEXT_PC);
+}
+template <typename ARCH>
+void vm_impl<ARCH>::gen_block_epilogue(jit_holder& jh){
+    x86::Compiler& cc = jh.cc;
+    cc.comment("//gen_block_epilogue");
+    cc.ret(jh.next_pc);
+
+    cc.bind(jh.trap_entry);
+    this->write_back(jh);
+    this->gen_sync(jh, POST_SYNC, -1);
+
+    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
+    cc.mov(current_trap_state, get_ptr_for(jh, traits::TRAP_STATE));
+
+    x86::Gp current_pc = get_reg_for(jh, traits::PC);
+    cc.mov(current_pc, get_ptr_for(jh, traits::PC));
+
+    x86::Gp instr = cc.newInt32("instr");
+    cc.mov(instr, 0); // FIXME:this is not correct
+    cc.comment("//enter trap call;");
+    InvokeNode* call_enter_trap;
+    cc.invoke(&call_enter_trap, &enter_trap, FuncSignatureT<uint64_t, void*, uint64_t, uint64_t, uint64_t>());
+    call_enter_trap->setArg(0, jh.arch_if_ptr);
+    call_enter_trap->setArg(1, current_trap_state);
+    call_enter_trap->setArg(2, current_pc);
+    call_enter_trap->setArg(3, instr);
+
+    x86::Gp current_next_pc = get_reg_for(jh, traits::NEXT_PC);
+    cc.mov(current_next_pc, get_ptr_for(jh, traits::NEXT_PC));
+    cc.mov(jh.next_pc, current_next_pc);
+
+    cc.mov(get_ptr_for(jh, traits::LAST_BRANCH), std::numeric_limits<uint32_t>::max());
+    cc.ret(jh.next_pc);
+}
+template <typename ARCH>
+inline void vm_impl<ARCH>::gen_raise(jit_holder& jh, uint16_t trap_id, uint16_t cause) {
+    auto& cc = jh.cc;
+    cc.comment("//gen_raise");
+    auto tmp1 = get_reg_for(jh, traits::TRAP_STATE);
+    cc.mov(tmp1, 0x80ULL << 24 | (cause << 16) | trap_id);
+    cc.mov(get_ptr_for(jh, traits::TRAP_STATE), tmp1);
+    cc.mov(jh.next_pc, std::numeric_limits<uint32_t>::max());
+}
+
+} // namespace tgc5c
 
 template <>
 std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreDef.name.toLowerCase()} *core, unsigned short port, bool dump) {
@@ -265,9 +344,9 @@ std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreD
 } // namespace asmjit
 } // namespace iss
 
-#include <iss/factory.h>
 #include <iss/arch/riscv_hart_m_p.h>
 #include <iss/arch/riscv_hart_mu_p.h>
+#include <iss/factory.h>
 namespace iss {
 namespace {
 volatile std::array<bool, 2> dummy = {

src/iss/arch/tgc5c.h

@@ -76,7 +76,53 @@ template <> struct traits<tgc5c> {
 
     static constexpr std::array<const uint32_t, 43> reg_byte_offsets{
         {0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,137,141,145,149,157,165,173,177}};
+/*
+For easy lookup:
+X0         (zero): 0x0000
+X1         (ra)  : 0x0004
+X2         (sp)  : 0x0008
+X3         (gp)  : 0x000c
+X4         (tp)  : 0x0010
+X5         (t0)  : 0x0014
+X6         (t1)  : 0x0018
+X7         (t2)  : 0x001c
+X8         (s0/fp): 0x0020
+X9         (s1)  : 0x0024
+X10        (a0)  : 0x0028
+X11        (a1)  : 0x002c
+X12        (a2)  : 0x0030
+X13        (a3)  : 0x0034
+X14        (a4)  : 0x0038
+X15        (a5)  : 0x003c
+X16        (a6)  : 0x0040
+X17        (a7)  : 0x0044
+X18        (s2)  : 0x0048
+X19        (s3)  : 0x004c
+X20        (s4)  : 0x0050
+X21        (s5)  : 0x0054
+X22        (s6)  : 0x0058
+X23        (s7)  : 0x005c
+X24        (s8)  : 0x0060
+X25        (s9)  : 0x0064
+X26        (s10) : 0x0068
+X27        (s11) : 0x006c
+X28        (t3)  : 0x0070
+X29        (t4)  : 0x0074
+X30        (t5)  : 0x0078
+X31        (t6)  : 0x007c
+PC               : 0x0080
+NEXT_PC          : 0x0084
+PRIV             : 0x0085
+DPC              : 0x0089
+trap_state       : 0x008d
+pending_trap     : 0x0091
+icount           : 0x0095
+cycle            : 0x009d
+instret          : 0x00a5
+instruction      : 0x00ad
+last_branch      : 0x00b1
 
+*/
     static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
 
     enum sreg_flag_e { FLAGS };

src/main.cpp

@@ -75,7 +75,7 @@ int main(int argc, char* argv[]) {
         ("elf,f", po::value<std::vector<std::string>>(), "ELF file(s) to load")
         ("mem,m", po::value<std::string>(), "the memory input file")
         ("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate")
-        ("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, tcc")
+        ("backend", po::value<std::string>()->default_value("interp"), "the ISS backend to use, options are: interp, llvm, tcc, asmjit")
         ("isa", po::value<std::string>()->default_value("tgc5c"), "core or isa name to use for simulation, use '?' to get list");
     // clang-format on
     auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();

src/vm/asmjit/helper_func.h

@@ -1,539 +0,0 @@
-#include <asmjit/asmjit.h>
-#include <iss/asmjit/jit_helper.h>
-
-x86::Mem get_reg_ptr(jit_holder& jh, unsigned idx) {
-
-    x86::Gp tmp_ptr = jh.cc.newUIntPtr("tmp_ptr");
-    jh.cc.mov(tmp_ptr, jh.regs_base_ptr);
-    jh.cc.add(tmp_ptr, traits::reg_byte_offsets[idx]);
-    switch(traits::reg_bit_widths[idx]) {
-    case 8:
-        return x86::ptr_8(tmp_ptr);
-    case 16:
-        return x86::ptr_16(tmp_ptr);
-    case 32:
-        return x86::ptr_32(tmp_ptr);
-    case 64:
-        return x86::ptr_64(tmp_ptr);
-    default:
-        throw std::runtime_error("Invalid reg size in get_reg_ptr");
-    }
-}
-x86::Gp get_reg_for(jit_holder& jh, unsigned idx) {
-    // TODO can check for regs in jh and return them instead of creating new ones
-    switch(traits::reg_bit_widths[idx]) {
-    case 8:
-        return jh.cc.newInt8();
-    case 16:
-        return jh.cc.newInt16();
-    case 32:
-        return jh.cc.newInt32();
-    case 64:
-        return jh.cc.newInt64();
-    default:
-        throw std::runtime_error("Invalid reg size in get_reg_ptr");
-    }
-}
-x86::Gp get_reg_for(jit_holder& jh, unsigned size, bool is_signed) {
-    if(is_signed)
-        switch(size) {
-        case 8:
-            return jh.cc.newInt8();
-        case 16:
-            return jh.cc.newInt16();
-        case 32:
-            return jh.cc.newInt32();
-        case 64:
-            return jh.cc.newInt64();
-        default:
-            throw std::runtime_error("Invalid reg size in get_reg_ptr");
-        }
-    else
-        switch(size) {
-        case 8:
-            return jh.cc.newUInt8();
-        case 16:
-            return jh.cc.newUInt16();
-        case 32:
-            return jh.cc.newUInt32();
-        case 64:
-            return jh.cc.newUInt64();
-        default:
-            throw std::runtime_error("Invalid reg size in get_reg_ptr");
-        }
-}
-inline x86::Gp load_reg_from_mem(jit_holder& jh, unsigned idx) {
-    auto ptr = get_reg_ptr(jh, idx);
-    auto reg = get_reg_for(jh, idx);
-    jh.cc.mov(reg, ptr);
-    return reg;
-}
-inline void write_reg_to_mem(jit_holder& jh, x86::Gp reg, unsigned idx) {
-    auto ptr = get_reg_ptr(jh, idx);
-    jh.cc.mov(ptr, reg);
-}
-
-void gen_instr_prologue(jit_holder& jh, addr_t pc) {
-    auto& cc = jh.cc;
-    cc.mov(jh.pc, pc);
-
-    cc.comment("\n//(*icount)++;");
-    cc.inc(get_reg_ptr(jh, traits::ICOUNT));
-
-    cc.comment("\n//*pc=*next_pc;");
-    cc.mov(get_reg_ptr(jh, traits::PC), jh.next_pc);
-
-    cc.comment("\n//*trap_state=*pending_trap;");
-    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
-    cc.mov(current_trap_state, get_reg_ptr(jh, traits::TRAP_STATE));
-    cc.mov(get_reg_ptr(jh, traits::PENDING_TRAP), current_trap_state);
-
-    cc.comment("\n//increment *next_pc");
-    cc.mov(jh.next_pc, pc);
-}
-void gen_instr_epilogue(jit_holder& jh) {
-    auto& cc = jh.cc;
-
-    cc.comment("\n//if(*trap_state!=0) goto trap_entry;");
-    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
-    cc.mov(current_trap_state, get_reg_ptr(jh, traits::TRAP_STATE));
-    cc.cmp(current_trap_state, 0);
-    cc.jne(jh.trap_entry);
-
-    // TODO: Does not need to be done for every instruction, only when needed
-    cc.comment("\n//write back regs to mem");
-    write_reg_to_mem(jh, jh.pc, traits::PC);
-    write_reg_to_mem(jh, jh.next_pc, traits::NEXT_PC);
-}
-void gen_block_prologue(jit_holder& jh) override {
-
-    jh.pc = load_reg_from_mem(jh, traits::PC);
-    jh.next_pc = load_reg_from_mem(jh, traits::NEXT_PC);
-}
-void gen_block_epilogue(jit_holder& jh) override {
-    x86::Compiler& cc = jh.cc;
-    cc.comment("\n//return *next_pc;");
-    cc.ret(jh.next_pc);
-
-    cc.bind(jh.trap_entry);
-    cc.comment("\n//Prepare for enter_trap;");
-    // Make sure cached values are written back
-    cc.comment("\n//write back regs to mem");
-    write_reg_to_mem(jh, jh.pc, traits::PC);
-    write_reg_to_mem(jh, jh.next_pc, traits::NEXT_PC);
-    this->gen_sync(jh, POST_SYNC, -1);
-
-    x86::Gp current_trap_state = get_reg_for(jh, traits::TRAP_STATE);
-    cc.mov(current_trap_state, get_reg_ptr(jh, traits::TRAP_STATE));
-
-    x86::Gp current_pc = get_reg_for(jh, traits::PC);
-    cc.mov(current_pc, get_reg_ptr(jh, traits::PC));
-
-    x86::Gp instr = cc.newInt32("instr");
-    cc.mov(instr, 0); // this is not correct
-    cc.comment("\n//enter trap call;");
-    InvokeNode* call_enter_trap;
-    cc.invoke(&call_enter_trap, &enter_trap, FuncSignatureT<uint64_t, void*, uint64_t, uint64_t, uint64_t>());
-    call_enter_trap->setArg(0, jh.arch_if_ptr);
-    call_enter_trap->setArg(1, current_trap_state);
-    call_enter_trap->setArg(2, current_pc);
-    call_enter_trap->setArg(3, instr);
-
-    x86::Gp current_next_pc = get_reg_for(jh, traits::NEXT_PC);
-    cc.mov(current_next_pc, get_reg_ptr(jh, traits::NEXT_PC));
-    cc.mov(jh.next_pc, current_next_pc);
-
-    cc.comment("\n//*last_branch = std::numeric_limits<uint32_t>::max();");
-    cc.mov(get_reg_ptr(jh, traits::LAST_BRANCH), std::numeric_limits<uint32_t>::max());
-    cc.comment("\n//return *next_pc;");
-    cc.ret(jh.next_pc);
-}
-/*
-    inline void raise(uint16_t trap_id, uint16_t cause){
-        auto trap_val =  0x80ULL << 24 | (cause << 16) | trap_id;
-        this->core.reg.trap_state = trap_val;
-        this->template get_reg<uint32_t>(traits::NEXT_PC) = std::numeric_limits<uint32_t>::max();
-    }
-*/
-inline void gen_raise(jit_holder& jh, uint16_t trap_id, uint16_t cause) {
-    auto& cc = jh.cc;
-    cc.comment("//gen_raise");
-    auto tmp1 = get_reg_for(jh, traits::TRAP_STATE);
-    cc.mov(tmp1, 0x80ULL << 24 | (cause << 16) | trap_id);
-    cc.mov(get_reg_ptr(jh, traits::TRAP_STATE), tmp1);
-    auto tmp2 = get_reg_for(jh, traits::NEXT_PC);
-    cc.mov(tmp2, std::numeric_limits<uint32_t>::max());
-    cc.mov(get_reg_ptr(jh, traits::NEXT_PC), tmp2);
-}
-inline void gen_wait(jit_holder& jh, unsigned type) { jh.cc.comment("//gen_wait"); }
-inline void gen_leave(jit_holder& jh, unsigned lvl) { jh.cc.comment("//gen_leave"); }
-
-enum operation { add, sub, band, bor, bxor, shl, sar, shr };
-
-template <typename T, typename = std::enable_if_t<std::is_integral<T>::value || std::is_same<T, x86::Gp>::value>>
-x86::Gp gen_operation(jit_holder& jh, operation op, x86::Gp a, T b) {
-    x86::Compiler& cc = jh.cc;
-    switch(op) {
-    case add: {
-        cc.add(a, b);
-        break;
-    }
-    case sub: {
-        cc.sub(a, b);
-        break;
-    }
-    case band: {
-        cc.and_(a, b);
-        break;
-    }
-    case bor: {
-        cc.or_(a, b);
-        break;
-    }
-    case bxor: {
-        cc.xor_(a, b);
-        break;
-    }
-    case shl: {
-        cc.shl(a, b);
-        break;
-    }
-    case sar: {
-        cc.sar(a, b);
-        break;
-    }
-    case shr: {
-        cc.shr(a, b);
-        break;
-    }
-    default:
-        throw std::runtime_error(fmt::format("Current operation {} not supported in gen_operation (operation)", op));
-    }
-    return a;
-}
-
-enum three_operand_operation { imul, mul, idiv, div, srem, urem };
-
-x86::Gp gen_operation(jit_holder& jh, three_operand_operation op, x86::Gp a, x86::Gp b) {
-    x86::Compiler& cc = jh.cc;
-    switch(op) {
-    case imul: {
-        x86::Gp dummy = cc.newInt64();
-        cc.imul(dummy, a.r64(), b.r64());
-        return a;
-    }
-    case mul: {
-        x86::Gp dummy = cc.newInt64();
-        cc.mul(dummy, a.r64(), b.r64());
-        return a;
-    }
-    case idiv: {
-        x86::Gp dummy = cc.newInt64();
-        cc.mov(dummy, 0);
-        cc.idiv(dummy, a.r64(), b.r64());
-        return a;
-    }
-    case div: {
-        x86::Gp dummy = cc.newInt64();
-        cc.mov(dummy, 0);
-        cc.div(dummy, a.r64(), b.r64());
-        return a;
-    }
-    case srem: {
-        x86::Gp rem = cc.newInt32();
-        cc.mov(rem, 0);
-        auto a_reg = cc.newInt32();
-        cc.mov(a_reg, a.r32());
-        cc.idiv(rem, a_reg, b.r32());
-        return rem;
-    }
-    case urem: {
-        x86::Gp rem = cc.newInt32();
-        cc.mov(rem, 0);
-        auto a_reg = cc.newInt32();
-        cc.mov(a_reg, a.r32());
-        cc.div(rem, a_reg, b.r32());
-        return rem;
-    }
-
-    default:
-        throw std::runtime_error(fmt::format("Current operation {} not supported in gen_operation (three_operand)", op));
-    }
-    return a;
-}
-template <typename T, typename = std::enable_if_t<std::is_integral<T>::value>>
-x86::Gp gen_operation(jit_holder& jh, three_operand_operation op, x86::Gp a, T b) {
-    x86::Gp b_reg = jh.cc.newInt32();
-    /*     switch(a.size()){
-            case 1: b_reg = jh.cc.newInt8(); break;
-            case 2: b_reg = jh.cc.newInt16(); break;
-            case 4: b_reg = jh.cc.newInt32(); break;
-            case 8: b_reg = jh.cc.newInt64(); break;
-            default: throw std::runtime_error(fmt::format("Invalid size ({}) in gen operation", a.size()));
-        } */
-    jh.cc.mov(b_reg, b);
-    return gen_operation(jh, op, a, b_reg);
-}
-enum comparison_operation { land, lor, eq, ne, lt, ltu, gt, gtu, lte, lteu, gte, gteu };
-
-template <typename T, typename = std::enable_if_t<std::is_integral<T>::value || std::is_same<T, x86::Gp>::value>>
-x86::Gp gen_operation(jit_holder& jh, comparison_operation op, x86::Gp a, T b) {
-    x86::Compiler& cc = jh.cc;
-    x86::Gp tmp = cc.newInt8();
-    cc.mov(tmp, 1);
-    Label label_then = cc.newLabel();
-    cc.cmp(a, b);
-    switch(op) {
-    case eq:
-        cc.je(label_then);
-        break;
-    case ne:
-        cc.jne(label_then);
-        break;
-    case lt:
-        cc.jl(label_then);
-        break;
-    case ltu:
-        cc.jb(label_then);
-        break;
-    case gt:
-        cc.jg(label_then);
-        break;
-    case gtu:
-        cc.ja(label_then);
-        break;
-    case lte:
-        cc.jle(label_then);
-        break;
-    case lteu:
-        cc.jbe(label_then);
-        break;
-    case gte:
-        cc.jge(label_then);
-        break;
-    case gteu:
-        cc.jae(label_then);
-        break;
-    case land: {
-        Label label_false = cc.newLabel();
-        cc.cmp(a, 0);
-        cc.je(label_false);
-        auto b_reg = cc.newInt8();
-        cc.mov(b_reg, b);
-        cc.cmp(b_reg, 0);
-        cc.je(label_false);
-        cc.jmp(label_then);
-        cc.bind(label_false);
-        break;
-    }
-    case lor: {
-        cc.cmp(a, 0);
-        cc.jne(label_then);
-        auto b_reg = cc.newInt8();
-        cc.mov(b_reg, b);
-        cc.cmp(b_reg, 0);
-        cc.jne(label_then);
-        break;
-    }
-    default:
-        throw std::runtime_error(fmt::format("Current operation {} not supported in gen_operation (comparison)", op));
-    }
-    cc.mov(tmp, 0);
-    cc.bind(label_then);
-    return tmp;
-}
-enum binary_operation { lnot, inc, dec, bnot, neg };
-
-x86::Gp gen_operation(jit_holder& jh, binary_operation op, x86::Gp a) {
-    x86::Compiler& cc = jh.cc;
-    switch(op) {
-    case lnot:
-        throw std::runtime_error("Current operation not supported in gen_operation(lnot)");
-    case inc: {
-        cc.inc(a);
-        break;
-    }
-    case dec: {
-        cc.dec(a);
-        break;
-    }
-    case bnot: {
-        cc.not_(a);
-        break;
-    }
-    case neg: {
-        cc.neg(a);
-        break;
-    }
-    default:
-        throw std::runtime_error(fmt::format("Current operation {} not supported in gen_operation (unary)", op));
-    }
-    return a;
-}
-
-template <typename T, typename = std::enable_if_t<std::is_integral<T>::value>>
-inline x86::Gp gen_ext(jit_holder& jh, T val, unsigned size, bool is_signed) {
-    auto val_reg = get_reg_for(jh, sizeof(val) * 8, is_signed);
-    jh.cc.mov(val_reg, val);
-    return gen_ext(jh, val_reg, size, is_signed);
-}
-inline x86::Gp gen_ext(jit_holder& jh, x86::Gp val, unsigned size, bool is_signed) {
-    auto& cc = jh.cc;
-    if(is_signed) {
-        switch(val.size()) {
-        case 1:
-            cc.cbw(val);
-            break;
-        case 2:
-            cc.cwde(val);
-            break;
-        case 4:
-            cc.cdqe(val);
-            break;
-        case 8:
-            break;
-        default:
-            throw std::runtime_error("Invalid register size in gen_ext");
-        }
-    }
-    switch(size) {
-    case 8:
-        cc.and_(val, std::numeric_limits<uint8_t>::max());
-        return val.r8();
-    case 16:
-        cc.and_(val, std::numeric_limits<uint16_t>::max());
-        return val.r16();
-    case 32:
-        cc.and_(val, std::numeric_limits<uint32_t>::max());
-        return val.r32();
-    case 64:
-        cc.and_(val, std::numeric_limits<uint64_t>::max());
-        return val.r64();
-    case 128:
-        return val.r64();
-    default:
-        throw std::runtime_error("Invalid size in gen_ext");
-    }
-}
-inline x86::Gp gen_read_mem(jit_holder& jh, mem_type_e type, x86::Gp addr, uint32_t length) {
-    x86::Compiler& cc = jh.cc;
-    auto ret_reg = cc.newInt32();
-
-    auto mem_type_reg = cc.newInt32();
-    cc.mov(mem_type_reg, type);
-
-    auto space_reg = cc.newInt32();
-    cc.mov(space_reg, static_cast<uint16_t>(iss::address_type::VIRTUAL));
-
-    auto val_ptr = cc.newUIntPtr();
-    cc.mov(val_ptr, read_mem_buf);
-
-    InvokeNode* invokeNode;
-    uint64_t mask = 0;
-    x86::Gp val_reg = cc.newInt64();
-
-    switch(length) {
-    case 1: {
-        cc.invoke(&invokeNode, &read_mem1, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uintptr_t>());
-        mask = std::numeric_limits<uint8_t>::max();
-        break;
-    }
-    case 2: {
-        cc.invoke(&invokeNode, &read_mem2, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uintptr_t>());
-        mask = std::numeric_limits<uint16_t>::max();
-        break;
-    }
-    case 4: {
-        cc.invoke(&invokeNode, &read_mem4, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uintptr_t>());
-        mask = std::numeric_limits<uint32_t>::max();
-        break;
-    }
-    case 8: {
-        cc.invoke(&invokeNode, &read_mem8, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uintptr_t>());
-        mask = std::numeric_limits<uint64_t>::max();
-        break;
-    }
-    default:
-        throw std::runtime_error(fmt::format("Invalid length ({}) in gen_read_mem", length));
-    }
-
-    invokeNode->setRet(0, ret_reg);
-    invokeNode->setArg(0, jh.arch_if_ptr);
-    invokeNode->setArg(1, space_reg);
-    invokeNode->setArg(2, mem_type_reg);
-    invokeNode->setArg(3, addr);
-    invokeNode->setArg(4, val_ptr);
-    cc.cmp(ret_reg, 0);
-    cc.jne(jh.trap_entry);
-
-    cc.mov(val_reg, x86::ptr_64(val_ptr));
-    cc.and_(val_reg, mask);
-    return val_reg;
-}
-inline x86::Gp gen_read_mem(jit_holder& jh, mem_type_e type, x86::Gp addr, x86::Gp length) {
-    throw std::runtime_error("Invalid gen_read_mem");
-}
-inline x86::Gp gen_read_mem(jit_holder& jh, mem_type_e type, uint64_t addr, x86::Gp length) {
-    throw std::runtime_error("Invalid gen_read_mem");
-}
-inline x86::Gp gen_read_mem(jit_holder& jh, mem_type_e type, uint64_t addr, uint32_t length) {
-    auto addr_reg = jh.cc.newInt64();
-    jh.cc.mov(addr_reg, addr);
-
-    return gen_read_mem(jh, type, addr_reg, length);
-}
-inline void gen_write_mem(jit_holder& jh, mem_type_e type, x86::Gp addr, int64_t val, uint32_t length) {
-    auto val_reg = get_reg_for(jh, length * 8, true);
-    jh.cc.mov(val_reg, val);
-    gen_write_mem(jh, type, addr, val_reg, length);
-}
-inline void gen_write_mem(jit_holder& jh, mem_type_e type, x86::Gp addr, x86::Gp val, uint32_t length) {
-    x86::Compiler& cc = jh.cc;
-    assert(val.size() == length);
-    auto mem_type_reg = cc.newInt32();
-    jh.cc.mov(mem_type_reg, type);
-    auto space_reg = cc.newInt32();
-    jh.cc.mov(space_reg, static_cast<uint16_t>(iss::address_type::VIRTUAL));
-    auto ret_reg = cc.newInt32();
-    InvokeNode* invokeNode;
-    switch(length) {
-    case 1:
-        cc.invoke(&invokeNode, &write_mem1, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uint8_t>());
-
-        break;
-    case 2:
-        cc.invoke(&invokeNode, &write_mem2, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uint16_t>());
-        break;
-    case 4:
-        cc.invoke(&invokeNode, &write_mem4, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uint32_t>());
-        break;
-    case 8:
-        cc.invoke(&invokeNode, &write_mem8, FuncSignatureT<uint32_t, uint64_t, uint32_t, uint32_t, uint64_t, uint64_t>());
-
-        break;
-    default:
-        throw std::runtime_error("Invalid register size in gen_ext");
-    }
-    invokeNode->setRet(0, ret_reg);
-    invokeNode->setArg(0, jh.arch_if_ptr);
-    invokeNode->setArg(1, space_reg);
-    invokeNode->setArg(2, mem_type_reg);
-    invokeNode->setArg(3, addr);
-    invokeNode->setArg(4, val);
-
-    cc.cmp(ret_reg, 0);
-    cc.jne(jh.trap_entry);
-}
-inline void gen_write_mem(jit_holder& jh, mem_type_e type, uint64_t addr, x86::Gp val, uint32_t length) {
-    auto addr_reg = jh.cc.newUInt64();
-    jh.cc.mov(addr_reg, addr);
-    gen_write_mem(jh, type, addr_reg, val, length);
-}
-inline void gen_write_mem(jit_holder& jh, mem_type_e type, uint64_t addr, int64_t val, uint32_t length) {
-    auto val_reg = get_reg_for(jh, length * 8, true);
-    jh.cc.mov(val_reg, val);
-
-    auto addr_reg = jh.cc.newUInt64();
-    jh.cc.mov(addr_reg, addr);
-    gen_write_mem(jh, type, addr_reg, val_reg, length);
-}