[Bug rtl-optimization/69460] ARM Cortex M0 produces suboptimal code vs Cortex M3

[strntydog at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69460

--- Comment #1 from strntydog at gmail dot com ---
Created attachment 37452
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37452&action=edit
Script to build the test and generate output files

This script builds the test.c file for both Cortex M0 and M3 it then checks if
the M3 code generated is legal M0 code by trying to assemble the M3 code output
as M0 assembler.