LTO & aarch64

[Richard Earnshaw (lists)]

On 27/05/17 14:39, John Pullen wrote:
> Hi all,
> 
> I'm using the latest GCC 7.1 source which I've built locally for
> aarch64. Everything works fine, but I'm running into issuses using LTO.
> 
> Normally I compile our dynamic library with -ffixed-x18 and it works
> fine, but with LTO enabled, register x18 is used in the output assembler.
> 
> Is there anyway to stop LTO from using certain registers?
> 

Are you passing -ffixed-x18 to the link/lto step?

R.
> Cheers,
> John.
>