Re: [PATCH] Use tail calls to memcpy/memset even for structure assignments (PR target/41455, PR target/82935)

2018-06-22 Thread Jeff Law
On 12/06/2017 02:04 PM, Jakub Jelinek wrote: > Hi! > > Aggregate assignments and clears aren't in GIMPLE represented as calls, > and while often they expand inline, sometimes we emit libcalls for them. > This patch allows us to tail call those libcalls if there is nothing > after them. The patch

Re: [PATCH] Use tail calls to memcpy/memset even for structure assignments (PR target/41455, PR target/82935)

2017-12-15 Thread Jakub Jelinek
On Fri, Dec 15, 2017 at 10:30:32AM +0100, Richard Biener wrote: > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk? > > Hum, it doesn't look pretty ;) Can we defer this to stage1 given > it's a long-standing issue and we have quite big changes going in still? Ok, deferred.

Re: [PATCH] Use tail calls to memcpy/memset even for structure assignments (PR target/41455, PR target/82935)

2017-12-15 Thread Richard Biener
On Wed, 6 Dec 2017, Jakub Jelinek wrote: > Hi! > > Aggregate assignments and clears aren't in GIMPLE represented as calls, > and while often they expand inline, sometimes we emit libcalls for them. > This patch allows us to tail call those libcalls if there is nothing > after them. The patch