[Bug target/63756] _mm_cvtepi16_epi32 with a memory operand produces either broken or slow asm

[tterribe at xiph dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63756

--- Comment #1 from Timothy B. Terriberry <tterribe at xiph dot org> ---
Created attachment 33901
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33901&action=edit
Preprocessed file for no-opt version (gcc pmovsxwd.c -msse4.1 -save-temps -o
pmovsxwd)