IAR Systems, a supplier of software tools and services for embedded development, has announced a new version of the toolchain IAR Embedded Workbench for RISC-V.
Version 1.11 adds support for custom extensions as well as further enhanced optimisations for code execution speed.
article: http://www.newelectronics.co.uk/electronics-news/iar-systems-updates-risc-v-development-tools/219220/