Introduction

safe_iop was written with portability in mind. It has only been tested (thus far) with GNU's GCC, but it does not contain any architecture-specific logic or instructions.

Compatibility Matrix

| Architecture | Operating System | Compiler | Notes | Tested | |:-------------|:-----------------|:---------------|:---------|:-------| | x86 | OS X Leopard | GNU GCC 4.0.1 | -O3 | r3 | | x86 | OS X Tiger | GNU GCC 4.0.1 | -O3 | r3 | | x86 | GNU/Linux | GNU GCC 4.0.3 | -O3 | r3 | | x86_64 | GNU/Linux | GNU GCC 4.0.3 | -O3 | r3 | | alpha | OpenBSD | GNU GCC 3.3.5 | -O3 | r3 | | macppc | OpenBSD | GNU GCC 3.3.5 | -O3 | r3 | | arm | OpenBSD | GNU GCC 3.3.5 | -O3 | r3 | | vax | OpenBSD | GNU GCC 2.95.3 | -O3 | r3 | | sparc | OpenBSD | GNU GCC 2.95.3 | -O3 | r3 | | sparc64 | OpenBSD | GNU GCC 3.3.5 | -O1 (1) | r3 |

Notes

(1) For sparc64, there is an optimization bug which causes tests to fail if -O

<level>

exceeds 1.