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adds UserProvidedFunctions for NaNBoxing, updates generated files, adapts to new fp API

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Eyck-Alexander Jentzsch
2025-04-02 10:19:11 +02:00
parent 8f5d666b7d
commit 7e97329e78
8 changed files with 412 additions and 265 deletions
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25
gen_input/templates/llvm/CORENAME.cpp.gtl
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@ -136,7 +136,28 @@ protected:
return (from & mask) | ((from & sign_mask) ? ~mask : 0);
}
<%functions.each{ it.eachLine { %>
${it}<%}%>
${it}<%}
}
if(fcsr != null) {%>
Value* NaNBox16(BasicBlock* bb, Value* NaNBox16_val){
if(static_cast<uint32_t>(traits::FLEN) == 16)
return this->gen_ext(NaNBox16_val, traits::FLEN, false);
auto box = this->builder.CreateNot((this->gen_ext(0, 32, false)));
return this->gen_ext((this->builder.CreateOr(this->builder.CreateShl(this->gen_ext(box, traits::FLEN), 16), this->gen_ext(NaNBox16_val, traits::FLEN))), traits::FLEN, false);
}
Value* NaNBox32(BasicBlock* bb, Value* NaNBox32_val){
if(static_cast<uint32_t>(traits::FLEN) == 32)
return this->gen_ext(NaNBox32_val, traits::FLEN, false);
auto box = this->builder.CreateNot((this->gen_ext(0, 64, false)));
return this->gen_ext((this->builder.CreateOr(this->builder.CreateShl(this->gen_ext(box, traits::FLEN), 32), this->gen_ext(NaNBox32_val, traits::FLEN))), traits::FLEN, false);
}
Value* NaNBox64(BasicBlock* bb, Value* NaNBox64_val){
if(static_cast<uint32_t>(traits::FLEN) == 64)
return this->gen_ext(NaNBox64_val, traits::FLEN, false);
auto box = this->builder.CreateNot((this->gen_ext(0, 128, false)));
return this->gen_ext((this->builder.CreateOr(this->builder.CreateShl(this->gen_ext(box, traits::FLEN), 64), this->gen_ext(NaNBox64_val, traits::FLEN))), traits::FLEN, false);
}
<%}%>
private:
/****************************************************************************
@ -251,8 +272,6 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, BasicBlock *this_block)
// const typename traits::addr_t upper_bits = ~traits::PGMASK;
phys_addr_t paddr(pc);
auto *const data = (uint8_t *)&instr;
if(this->core.has_mmu())
paddr = this->core.virt2phys(pc);
auto res = this->core.read(paddr, 4, data);
if (res != iss::Ok)
return std::make_tuple(ILLEGAL_FETCH, nullptr);