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Re: Why is __i686 undefined for x86_64 -m32 (in mainline)
On Tue, Mar 16, 2010 at 2:32 PM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
> On 03/16/2010 11:27 PM, H.J. Lu wrote:
>> Do you care about -march=core2?
> Ok, thanks, let's check __core2 too, but really, I don't want to fiddle
> too much with these macros in the 4.5.0 timeframe. This is code for
> parallel-mode which really is tailored by and large to modern 64-bit
> machines. For further enhancements we have libstdc++/34106.
>
As I said, you should check __SSE__ and be done with it. Otherwise you
will need to keep adding more checks for no good reasons.
--
H.J.