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Re: GCC 4.8 and -ftree-loop-distribute-patterns.
- From: Roland McGrath <roland at hack dot frob dot com>
- To: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Fri, 5 Apr 2013 15:30:23 -0700 (PDT)
- Subject: Re: GCC 4.8 and -ftree-loop-distribute-patterns.
- References: <511D4F82 dot 3080604 at redhat dot com> <515F4565 dot 6030301 at linux dot vnet dot ibm dot com>
> I have noted this option also creating memmove calls when building some mpn
> objects and memset call on wcsmbs files when building for PowerPC.
Why are these a problem? If the compiler decided it was optimal to use
those calls, we should let it. There's only a problem when it's using a
function to define itself.
Thanks,
Roland