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vbcc

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vbcc
Developer(s)Volker Barthelmann
Initial release1995; 29 years ago (1995)
Stable release
0.9h patch 3 / May 22, 2022; 2 years ago (2022-05-22)
Written inANSI C
Operating systemMultiplatform
TypeCross compiler
LicenseFreeware for non-commercial use
Websitewww.compilers.de/vbcc.html

vbcc is a portable and retargetable ANSI C compiler. It supports C89 (ISO/IEC 9899:1989) as well as parts of C99 (ISO/IEC 9899:1999).

It is divided into two parts. One is target-independent and the other is target-dependent. vbcc provides complete abstraction of host-arithmetic and target-arithmetic. It fully supports cross-compiling for 8-bit, 16-bit, 32-bit and 64-bit architectures.

Embedded systems are supported by features such as different pointer sizes, ROM-able code, inline assembly, bit-types, interrupt handlers, section attributes, and stack usage calculation (depending on the backend).

vbcc supports the following backends, with different degrees of maturity: 68K, ColdFire, PowerPC, 6502, VideoCore, 80x86 (386 and above), Alpha, C16x/ST10, 6809/6309/68HC12, and Z-machine.

The compiler itself can run on all common operating systems, including Windows, Mac OS X, and Unix/Linux.

Optimizations

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The compiler provides a large set of high-level optimizations as well as target-specific optimizations to produce faster or smaller code. It is also able to optimize across functions and modules. Target-independent optimizations supported by vbcc include:

References

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  • Sunitha, K.V.N. (2013). Compiler Design. Pearson India. p. 20. ISBN 9-332-50029-0.
  • Aycock, John (2016). Retrogame Archeology: Exploring Old Computer Games. John Aycock. p. 82. ISBN 9-783-31930002-3.
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