[Bug target/81763] Issues with BMI on 32bit x86 apps on GCC 7.1+

[mike at fireburn dot co.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81763

--- Comment #12 from Mike Lothian <mike at fireburn dot co.uk> ---
Created attachment 41960
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41960&action=edit
si_shader objdumps