This paper discusses the design and implementation of the first compiler that optimizes programs for power and energy using dynamic voltage scaling. The compiler identifies program regions where the CPU can be slowed down without resulting in a significant overall performance loss. For such regions the lowest CPU voltage is selected that operates correctly under the reduced clock frequency. Our...

This thesis describes a compiler for the asynchronous real-time programming language ALDiSP. Though the language has a complex semantics not suited for easy compilation, the compiler has to generate code for target platforms that have stringent space limitations, and for target applications that have to satisfy hard real-time requirements. To accomplish this feat, the compiler is based upon an ...

Compilers today are capable of inferring detailed information about program parallelism and analyzing whole-program behavior. However, the traditional interface between the compiler and the processor, as defined by the instruction set architecture (ISA), is unable to communicate much of the compiler knowledge to the processor. The approach taken by modern processors such as superscalars is to i...

This paper is to present a security-related motivation for compiler veriication, and in particular for binary compiler implementation veriication. We will prove that source level veriication is not suu-cient in order to guarantee compiler correctness. For this, we will adopt the scenario of a well-known attack to Unix operating system programs due to intruded Trojan Horses in compiler executabl...

Programs expressed in a high-level programming language need to be translated to a low-level machine dialect for execution. This translation is usually accomplished by a compiler, which is able to translate any legal program to equivalent low-level code. But for individual source programs, automatic translation does not always deliver good results: Software engineering practice demands generali...

A Concurrent Prolog compiler, whose target language is (sequential) Prolog, was implemented in Prolog. The object program obtained can further be compiled into machine codes by a Prolog compiler. Due to the similarity among the source, target and implementation languages, the compiler and the runtime support were small and very rapidly developed. Benchmark tests showed that (twice) compiled Con...

A compiler must take special care when translating and transforming a multi-threaded program: The presence of synchronization operations and the potential of access conflicts have implications on register allocation and instruction scheduling. Moreover, a compiler might want to inhibit hardware assisted instruction reordering through memory fences, to enable a strong memory model on a platform ...

Abstract We describe the new features of bounded model checker Dartagnan for SV-COMP ’21. participate, first time, in ReachSafety category on verification sequential programs. In some these tasks, bugs only show up after many loop iterations, which is a challenge checking. address by simplifying structure input program while preserving its semantics. For simplification, we leverage common compi...

A verifying compiler is one that proves automatically that a program is correct before allowing it to be run. Correctness of a program is defined by placing assertions at strategic points in the program text, particularly at the interfaces between its components. From recent enquiries among software developers at Microsoft, I have discovered that assertions are widely used in program developmen...