Hello!

Attached patch allows direct XMM->GR zero extensions for 32bit
targets. This insn will be split after reload to a direct
XMM->lowpart(GR) move and 0->highpart(GR) zeroing.

2017-05-31  Uros Bizjak  <ubizjak@gmail.com>

    * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
    also for 32bit target.  Update insn attributes.
    (zero-extendsidi2 splitter): Allow all registers for operand 1.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainline SVN.

Uros.