These patches have been committed to the master branch: a71f90c5a7a — Add 3-instruction subroutine vector shift for V16QI 0022064649d — Fix Logical Shift Issue in expand_vec_perm_psrlw_psllw_por Bugzilla: PR target/107563, PR target/115146 This pair of patches adds an efficient 3-instruction sequence for byte-swap permutations in V16QI and V8QI vectors on x86. Instead of falling through to… Read more x86: 3-instruction byte-swap vector shuffle for V16QI/V8QI [PR107563]