[Bug target/112816] [11/12/13/14 Regression] ICE unrecognizable_insn with __builtin_signbit and returning struct with int[4]

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112816

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 56767
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56767&action=edit
gcc14-pr112816.patch

Untested fix.

Another issue is that the emitted code is terrible:
        pxor    %xmm1, %xmm1
        psrld   $31, %xmm0
        pcmpeqd %xmm1, %xmm0
        pcmpeqd %xmm1, %xmm0
Why not just
        psrad   $31, %xmm0
instead of all this?