https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93569
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Michael Meissner <meiss...@gcc.gnu.org>: https://gcc.gnu.org/g:a66219dce7fcba068a0998dd926e2ffc6857f149 commit r10-6494-ga66219dce7fcba068a0998dd926e2ffc6857f149 Author: Michael Meissner <meiss...@gcc.gnu.org> Date: Thu Feb 6 18:39:48 2020 -0500 Fix PR 93569. 2020-02-06 Michael Meissner <meiss...@linux.ibm.com> PR target/93569 * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0 we only had X-FORM (reg+reg) addressing for vectors. Also before ISA 3.0, we only had X-FORM addressing for scalars in the traditional Altivec registers.