On 7/24/19 11:14 AM, Eric Botcazou wrote: > Hi, > > stack memory is considered non-trapping by the compiler once the frame has > been established so TREE_THIS_NOTRAP can be set on the dereferences built > during the unnesting pass. > > Tested on x86_64-suse-linux, OK for the mainline? > > > 2019-07-24 Eric Botcazou <ebotca...@adacore.com> > > * tree-nested.c (build_simple_mem_ref_notrap): New function. > (get_static_chain): Call it instead of (build_simple_mem_ref. > (get_frame_field): Likewise. > (get_nonlocal_debug_decl): Likewise. > (convert_nonlocal_reference_op): Likewise. >
Note that the revision caused size increase of 548.exchange2_r SPEC 2017 benchmark: https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=35.398.4 Martin
