Re: [RFC PATCH 8/9] [SH] Add splitter to addsi3_compact

2015-01-08 Thread Oleg Endo
On Thu, 2014-12-18 at 10:04 +0900, Kaz Kojima wrote: > This patch is discussed in PR55212 > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212#c65 > > and is to make LRA's register elimination work well on SH. > The problem is SH has very limited add instructions only and expands > rA := rB + N

Re: [RFC PATCH 8/9] [SH] Add splitter to addsi3_compact

2014-12-21 Thread Oleg Endo
On Thu, 2014-12-18 at 10:04 +0900, Kaz Kojima wrote: > This patch is discussed in PR55212 > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212#c65 > > and is to make LRA's register elimination work well on SH. > The problem is SH has very limited add instructions only and expands > rA := rB + N