https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101097
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 51031 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51031&action=edit Pack/unpack patterns for 8-byte vectors FYI, this patch adds pack/unpack patterns for 8-byte vectors. It will fail: FAIL: gcc.target/i386/pr97249-1.c scan-assembler-times (?n)vpmovzxbw[ \\\\t]+\\\\(.*%xmm[0-9] 2 FAIL: gcc.target/i386/pr97249-1.c scan-assembler-times (?n)vpmovzxwd[ \\\\t]+\\\\(.*%xmm[0-9] 2 due to the mentioned issue.