On Wed, Nov 12, 2014 at 7:08 PM, Vladimir Makarov wrote:
> After submitting LRA rematerialization patch, I got a lot of
> feedback. Some people reported performance degradation and pointed me
> out the most important problem which looks like
>
> p0 <- p1 + p2 p0 <- p1 + p
On 2014-11-12 11:06 PM, H.J. Lu wrote:
Unfortunately, it breaks bootstrap on Linux/ia32:
https://gcc.gnu.org/ml/gcc-regression/2014-11/msg00288.html
../../../src-trunk/libgcc/config/libbid/bid_round.c: In function
â__bid_round128_19_38â:
../../../src-trunk/libgcc/config/libbid/bid_round.c:391:
On Wed, Nov 12, 2014 at 7:08 PM, Vladimir Makarov wrote:
> After submitting LRA rematerialization patch, I got a lot of
> feedback. Some people reported performance degradation and pointed me
> out the most important problem which looks like
>
> p0 <- p1 + p2 p0 <- p1 + p
After submitting LRA rematerialization patch, I got a lot of
feedback. Some people reported performance degradation and pointed me
out the most important problem which looks like
p0 <- p1 + p2 p0 <- p1 + p2
spilled_pseudo <- p0 spilled_pseudo <- p0
..
