This type of freeware is released as a type of promotion for the other product, which is often based on the same code base with only a compiler flag required to produce the free version.

The Itanium architecture is based on explicit instruction-level parallelism, in which the compiler decides which instructions to execute in parallel.

Xerox PARC developed Cedar, which was based on Mesa, with a number of additions including garbage collection, better string support, called Ropes, and a native compiler for Sun SPARC workstations.

In the second case, the compiler infers the types of expressions and declarations based on context.

The Standard Pascal Model Implementation was also based on this compiler, having been adapted, by Welsh and Hay at Manchester University in 1984, to check rigorously for conformity to the BSI 6192 / ISO 7185 Standard and to generate code for a portable abstract machine.

The implementation was based on the UNIVAC ALGOL 60 compiler.

He based UCSD Pascal on the Pascal-P2 release of the portable compiler from Zurich.

" It generates a parser ( the part of a compiler that tries to make syntactic sense of the source code ) based on an analytic grammar written in a notation similar to BNF.

The Turbo Pascal compiler was based on the Blue Label Pascal compiler originally produced for the NasSys cassette-based operating system of the Nascom microcomputer in 1981 by Anders Hejlsberg.

It is loosely based on GW-BASIC but adds user-defined types, improved programming structures, better graphics and disk support and a compiler in addition to the interpreter.

Cfront was based on CPre ( C with classes compiler, which started at 1979 ).

Free Pascal is a free software Object Pascal compiler capable of writing software based on the Windows API.

Z88DK is a Small-C-derived cross compiler for a long list of Z80 based computers.

The entire i860 design was based on the compiler efficiently handling this task, which proved almost impossible in practice.

The production compiler for iWarp was a C and Fortran compiler based on the AT & T pcc compiler for UNIX, ported under contract for Intel and then extensively modified and extended by Intel.

The machine had a two-stage assembler ( SAAL-Single Address Assembly Language ) which was its primary assembler ; it also had a three stage card based compiler for a programming language called SARGE.

* Compiler theory – Theory of compiler design, based on Automata theory.

Within imperative programming, which is based on procedural languages, an alternative to the computer-centered hierarchy of structured programming is literate programming, which structures programs instead as a human-centered web, as in a hypertext essay – documentation is integral to the program, and the program is structured following the logic of prose exposition, rather than compiler convenience.

According to the project Application Manager during the project, Acorn was developing for it, Compiler for Acorn Modula-2 Extended Language ( CAMEL in Modula-2 +) bootstrapping from an Acorn Extended Modula-2 ( AEM2 ) compiler ( ported from Modula-2 ETH using Econet hardware ), though never released externally, it was ported to use it in SUN Unix machines, in an effort to port Sun's workstations Sun NeWS to the Archimedes, and after Olivetti bought out Acorn, developed a compiler based on CAMEL for the Modula-3 programming Language.

Without such precautions, most programs may compile only on a certain platform or with a particular compiler, due, for example, to the use of non-standard libraries, such as GUI libraries, or to the reliance on compiler-or platform-specific attributes such as the exact size of certain data types and byte endianness.

Using these tools, one can write a more complex text editor, and a simple compiler for a higher-level language and so on, until one can have a graphical IDE and an extremely high-level programming language.

Bootstrapping in program development began during the 1950s when each program was constructed on paper in decimal code or in binary code, bit by bit ( 1s and 0s ), because there was no high-level computer language, no compiler, no assembler, and no linker.

If the compiled program can run on a computer whose CPU or operating system is different from the one on which the compiler runs, the compiler is known as a cross-compiler.

Higher level programming languages were not invented until the benefits of being able to reuse software on different kinds of CPUs started to become significantly greater than the costs of writing a compiler.

Similarly, the compiler can be told on a per-module or per-function basis which type safety level is wanted, using optimize declarations.

He thought it would be possible to retarget GCC and produce a cross compiler generating executables that could run on Windows.

The next step was to attempt to bootstrap the compiler on a Windows system, requiring sufficient emulation of Unix to let the GNU configure shell script run.

Dijkstra was known to be a fan of ALGOL 60, and worked on the team that implemented the first compiler for that language.

Dijkstra and Jaap Zonneveld, who collaborated on the compiler, agreed not to shave until the project was completed.

Prior to FORTRAN 77, a number of preprocessors were commonly used to provide a friendlier language, with the advantage that the preprocessed code could be compiled on any machine with a standard FORTRAN compiler.

In addition, the EPIC concept depends on compiler capabilities that had never been implemented before, so more research was needed.

KOMPILER was eventually replaced by a Fortran compiler on the IBM 704.

As the compiler has no information on the layout of objects in the final output, it cannot take advantage of shorter or more efficient instructions that place a requirement on the address of another object.

This was a workable solution but made it nearly impossible to develop on the Unix machines since the power of the Mesa compiler and associated tool chain was lost using this approach.

Multiplan was released first for computers running CP / M ; it was developed using a Microsoft proprietary p-code C compiler as part of a portability strategy that facilitated ports to systems such as MS-DOS, Xenix, Commodore 64, Texas Instruments TI-99 / 4A, Radio Shack TRS-80 Model II, TRS-80 Model 100 ( on ROM ), Apple II, and Burroughs B-20 series.

The original Mary compiler was written in NU ALGOL, ran on the Univac-1100 series and was used to bootstrap a native compiler for ND-100 / SINTRAN-III.

The Pascal-P4 compiler / interpreter can still be run and compiled on systems compatible with original Pascal.

Urban Müller created brainfuck in 1993 with the intention of designing a language which could be implemented with the smallest possible compiler, inspired by the 1024-byte compiler for the FALSE programming language.

The earliest PDP-7 implementations compiled to threaded code, and then Ritchie wrote a compiler using TMG which produced machine code.

C is one of the most widely used programming languages of all time, and there are very few computer architectures for which a C compiler does not exist.

It also supports optional type annotation and casting, which can be added as necessary at the later profiling and optimization stages, to permit the compiler to generate more efficient code.

Most include the familiar GNU and / or Unix development tools, including make, yacc, lex and a cc command which acts a wrapper around a supported C compiler.

Various modern compiler static code analysis techniques ( such as elimination of dead code: for example, code which uses the processor but produces internal results which are not used or output ) make the use and design of synthetic benchmarks more difficult.

Another issue is that the score reported does not include information which is critical when comparing systems such as which compiler was used, and what optimizations.

Moreover, the export logic used can be checked statically by the compiler, which allows earlier detection of scope violating calls at compile-time rather than run-time.

Most of the others became elaborate formal descriptions which most readers will never be able to decipher, and therefore may not stand up to automated debugging / compiling, just as a program might look good in review, but a compiler might find some interesting errors, and actually running the program written might find even more interesting errors.

* Loop fusion, a compiler optimization which replaces multiple loops with a single one

In this case, a compiler may output some form of bytecode or threaded code, which is then executed by a bytecode interpreter.

With EPIC, the compiler determines in advance which instructions can be executed at the same time, so the microprocessor simply executes the instructions and does not need elaborate mechanisms to determine which instructions to execute in parallel.

* The original Star Desktop evolved into the ViewPoint Desktop and later became GlobalView which was ported to various Unix platforms, such as SunOS Unix and AIX, A Mesa to C compiler was written and the resulting code compiled for the target platform.

RUNIT implemented a CHILL compiler written in Mary which ran on ND-100 and had Intel 8086 and 80286 targets.