Ping. Patch doesn't affect not instrumented code. Thanks, Ilya
2015-03-18 15:19 GMT+03:00 Ilya Enkovich <enkovich....@gmail.com>: > Hi, > > This patch disables attempts to expand instrumentation thunks which appear > when we create specialized function versions. Problem was found during > SPEC2006 insatrumentation with '-Ofast -flto'. Unfortunately I couldn't make > a small reproducer. Bootstrapped and tested on x86_64-unknown-linux-gnu. OK > for trunk? > > Thanks, > Ilya > -- > 2015-03-18 Ilya Enkovich <ilya.enkov...@intel.com> > > * cgraphunit.c (cgraph_node::expand_thunk): Don't expand > instrumentation thunks. > > > diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c > index e640907..abc9cfe 100644 > --- a/gcc/cgraphunit.c > +++ b/gcc/cgraphunit.c > @@ -1508,6 +1508,10 @@ cgraph_node::expand_thunk (bool output_asm_thunks, > bool force_gimple_thunk) > tree thunk_fndecl = decl; > tree a; > > + /* Instrumentation thunk is the same function with > + a different signature. Never need to expand it. */ > + if (thunk.add_pointer_bounds_args) > + return false; > > if (!force_gimple_thunk && this_adjusting > && targetm.asm_out.can_output_mi_thunk (thunk_fndecl, fixed_offset,
