[Bug target/63503] [AArch64] A57 executes fused multiply-add poorly in some situations

[e.menezes at samsung dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63503

--- Comment #17 from Evandro <e.menezes at samsung dot com> ---
Created attachment 33785
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33785&action=edit
Simple matrix multiplication