Hi Jakub, On Mon, Feb 20, 2017 at 09:42:26PM +0100, Jakub Jelinek wrote: > We ICE on the following testcase, because we have abnormal edges > from both __morestack call (which is before prologue) and call > to the nested function (which is in between prologue and epilogue) > to a label reachable through non-local goto. This is something > dwarf2cfi doesn't allow, it doesn't know what CFI state should > be at that label. > As __morestack really doesn't do non-local gotos and while it probably > can throw, it is never something that can be caught in the function that > calls __morestack, the following patch fixes it by telling middle-end > that __morestack can't do nl goto. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
The rs6000 part is fine, thanks! Segher > 2017-02-20 Jakub Jelinek <ja...@redhat.com> > > PR target/79494 > * config/i386/i386.c (ix86_expand_split_stack_prologue): Call > make_reg_eh_region_note_nothrow_nononlocal on call_insn. > * config/rs6000/rs6000.c: Include except.h. > (rs6000_expand_split_stack_prologue): Call > make_reg_eh_region_note_nothrow_nononlocal on the call insn. > > * gcc.dg/pr79494.c: New test.
