Extending NaplesPU for 64-bit support
From NaplesPU Documentation
nu+ toolchain can be extended to support 64-bit operations. A git branch with full 64-bit support is provided. Consequently, if it is necessary to compile the toolchain supporting this extension, a checkout on llvm-7 branch is required.
Changes are related to both frontend and backend.
nu+ frontend modifications
nu+ frontend abstracts target informations through the TargetInfo class, extending it in the NuPlusTargetInfo implementation. Since 64-bit operations require to support double-integer and double-floating-point formats, the following changes and additions are required in the target definition: