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Date: Fri, 18 Oct 2019 12:50:00 -0000
From: Josef Wolf <jw@raven.inka.de>
To: gcc-help@gcc.gnu.org
Subject: Re: Crash when cross compiling for ARM with GCC-8-2-0 and -ftree-loop-distribute-patterns
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On Fri, Oct 18, 2019 at 11:25:53AM +0100, Richard Earnshaw (lists) wrote:
>
> void *
> __attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
> memset (void *s, int c, size_t n)
> {
>   int i;
>   for (i=0; i<n; i++)
>     ((char *)s)[i] = c;
> 
>   return s;
> }

Wouldn't

   void *memset (void *s, int c, size_t n)
   {
           return __builtin_memset (s, c, n);
   }

be a cleaner solution to this?

Unfortunately, this compiles to a jump to itself. No matter whether I use the
-fno-builtin-memset flag or not.

-- 
Josef Wolf
jw@raven.inka.de