[PATCH] Enable fixed-point reductions in graphite
Tom de Vries
Tom_deVries@mentor.com
Sun Jul 26 17:09:00 GMT 2015
Hi,
In patch "Don't allow unsafe reductions in graphite" ( submitted
https://gcc.gnu.org/ml/gcc-patches/2015-07/msg01861.html , committed
r226193) we've disabled fixed-point reductions.
In this patch we enable it again, for the case that it's safe, in other
words, for the case that the fixed point overflow wraps.
The patch uses FIXED_POINT_TYPE_OVERFLOW_WRAPS_P, introduced in proposed
patch https://gcc.gnu.org/ml/gcc-patches/2015-07/msg02049.html .
Bootstrapped and reg-tested on x86_64.
OK for trunk?
Thanks,
- Tom
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