ARM & Green Hills Software develop a Cortex-R5 compiler

16th February 2015

ARM Ltd

Siobhan O'Gorman

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To meet the requirements of demanding automotive applications, ARM has collaborated with Green Hills Software to develop a compiler for its ARM Cortex-R5 processor. The Green Hills compiler, version 2015.1 has been certified by EEMBC Labs as having achieved a performance score of 1.01EEMBC Automarks/MHz on the Cortex-R5 automotive MCUs from Spansion. This represents a 30% increase on previous performance scores.

Previously, the Green Hills toolchain has received certificates by accredited independent agencies TÜV Nord and Exida at the highest levels of automotive and industrial functional safety, including ISO 26262 ASIL D and IEC 61508 SIL4. This combined level of certification and performance eliminates the need for custom MCU architectures, allowing the Cortex-R5 to deliver performance, safety and cost advantages to automotive systems developers.

The Spansion Traveo family of Cortex-R5 based automotive MCUs builds on the Cortex-R4 based FCR4 family, providing scalability, real-time processing and high-performance in applications where safety is critical.

“Processor and compiler technology go hand in hand, and ARM’s investment in supporting and working with its development tools ecosystem is unrivalled,” said Richard York, Vice President, Embedded Marketing, ARM. “The automotive and industrial markets are demanding multi-sourced, powerful and standardised MCUs supported by well-established tool chains such as Green Hills. In an industry where safety is a critical success factor, the reputation that ARM’s ecosystem enjoys with top tier OEMs and suppliers is a major advantage.”

“Green Hills Software is pleased to see our continued collaboration with architecture specialists at ARM raise the bar for automotive and industrial code performance on ARM processors,” said Dan Mender, Vice President, Business Development, Green Hills Software. “Cortex-R5 supports powerful performance and safety features that our latest compiler optimisations unlock for customers choosing this industry-proven processor in performance-sensitive markets.”

“An Automark score of 192 for a cost-effective automotive grade MCU at this price point sets a new bar for affordable MCUs in body, driver information and powertrain applications,” said Takeshi Fuse, Senior Vice President, Automotive MCUs, Spansion. ”Combined with the recent announcement from ARM of a comprehensive safety package for the Cortex-R5 processor for ISO 26262 and IEC 61058 applications, we expect a further boost to the growing momentum of Cortex-R5 and the Spansion Traveo family in automotive and industrial safety products.”