On Thu, 18 Jan 2018, Jakub Jelinek wrote: > On Thu, Jan 18, 2018 at 09:10:03AM +0100, Richard Biener wrote: > > On Wed, 17 Jan 2018, Jakub Jelinek wrote: > > > > > Hi! > > > > > > PR83882 complains that PR81715 testcase fails on callee copies parameter > > > targets. The following patch ought to fix that, but I have only > > > bootstrapped/regtested it on x86_64-linux and i686-linux + on the testcase > > > with hppa. > > > > Looks reasonable. > > > > > John, do you think you could test this on hppa without the callee copies > > > default change? > > > > > > Or should we not care anymore if there aren't any similar targets left? > > > > How's that communicated to the middle-end anyways? > > You mean the callee copies stuff? gimplify_parameters creates new > temporaries, assigns the parameter to them, set DECL_VALUE_EXPR on the > parameters to the temporary and at the end of function clears > DECL_VALUE_EXPR and with this patch adds a CLOBBER in a cleanup as well.
No, I meant whether the target wants this or not. Richard.
