[Bug target/51955] _mm_setzero_si128 intrinsic causes segfault without -O

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51955

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-23 02:38:46 UTC ---
This is a bug in how your _start does not realign the stack to 16 byte aligned.
    movdqa    %xmm0, -32(%rbp)
    movdqa    -32(%rbp), %xmm0
    movdqa    %xmm0, -16(%rbp)

rbp            0x7fffffffe388    0x7fffffffe388
rsp            0x7fffffffe388    0x7fffffffe388