== Progress == -Spawned CBUILD tasks with and without the patch proposed by Chung-Lin Tang to test current status of "Fix EPILOGUE_USES regression in CoreMark". Job is still in the queue. -Read references listed in gcc/ira.c to understand gcc IRA and went through the source code. -Experimented with simple test cases to analyse IRA debug output.

== Plan for next week == - Analyse CoreMark results if ready and work on improvements. - Start with research for Removing unnecessary zero/sign extends when not working on "Fix EPILOGUE_USES regression in CoreMark.