| Feature | vx-toolset | Free alternatives | |---------|------------|-------------------| | Code density | Best-in-class (up to 20-30% smaller) | Moderate | | Speed optimization | Aggressive (e.g., -O3, -O4, -Os) | Good but limited | | ISO 26262 ASIL-D certification | Yes (certified tools) | No (user responsible) | | MISRA C:2012 checking | Integrated | Needs external tools | | TriCore specific DSP intrinsics | Full support | Partial | | Multi-core (AURIX) support | Advanced (with distributed debug) | Basic |
| Level | Description | |-------|-------------| | -O0 | No optimization (fast compile, best debug) | | -O1 | Basic optimizations (local, peephole) | | -O2 | Standard (inline small functions, loop unrolling) | | -O3 | Aggressive (software pipelining, loop transformations) | | -O4 | Maximum (whole-program optimization, link-time opts) | | -Os | Optimize for code size (often used in safety) | | -Ospace | Same as -Os | | -Otime | Optimize for speed (may increase size) | vx-toolset tricore
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