[Bug target/65375] poor codegen for ld[234]/st[234]

[kugan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65375

--- Comment #1 from kugan at gcc dot gnu.org ---
arm-none-linux-gnueabi-gcc  -O2 -ffast-math -unsafe-math-optimisations  
-mfpu=neon produces just:

hello_vst2:
    @ args = 0, pretend = 0, frame = 0
    @ frame_needed = 0, uses_anonymous_args = 0
    @ link register save eliminated.
    vld2.32    {d16-d19}, [r1]
    vst2.32    {d16-d19}, [r0]
    bx