[Bug target/70557] uint64_t zeroing on 32-bit hardware

[lis8215 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70557

--- Comment #10 from Siarhei Volkau <lis8215 at gmail dot com> ---
Created attachment 59965
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59965&action=edit
MIPS patch

Ditto for 32-bit MIPS.

MIPS emits:
        move    $3,$0
        move    $2,$0
        sw      $3,4($4)
        jr      $31
        sw      $2,0($4)