These patches have been committed to the master branch: b88adba751d — Optimize nested permutation to single VEC_PERM_EXPR 35106383c09 — Move scanning pass of forwprop-19.c to dse1 Bugzilla: PR tree-optimization/54346, PR testsuite/107220 This patch addresses PR 54346, a long-standing optimization opportunity in GCC’s middle-end tree optimization. When two consecutive vector permutations are nested — the result… Read more Optimize nested permutation to single VEC_PERM_EXPR [PR54346]