17.10.2016 13:49, Michael Tokarev wrote:
> 17.10.2016 13:39, Michael Tokarev wrote:
>> (cc is gcc 6.2.0)
>> I've no idea which -march is the default and what choices are available.
> $ gcc -march=?
> gcc: error: unrecognized argument in option '-march=?'
> gcc: note: valid arguments to '-march=' are: g5 g6 native z10 z13 z196
> z9-109 z9-ec z900 z990 zEC12
> I guess g5 is the default?

No it is not.

g5 and g6 are deprecated. z900 is the default, and this one produces the
error with `lt' instruction. All other variants works fine.



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