Szabolcs Nagy <szabolcs.n...@arm.com> writes: > EH returns no longer rely on clobbering the return address on the stack > so forcing a stack frame is not necessary. > > This does not actually change the code gen for the unwinder since there > are calls before the EH return. > > gcc/ChangeLog: > > * config/aarch64/aarch64.cc (aarch64_needs_frame_chain): Do not > force frame chain for eh_return.
OK, thanks. Richard > --- > unchanged compared to v1 > already approved at: > https://gcc.gnu.org/pipermail/gcc-patches/2023-September/629346.html > --- > gcc/config/aarch64/aarch64.cc | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc > index 5cdb33dd3dc..88594bed8ce 100644 > --- a/gcc/config/aarch64/aarch64.cc > +++ b/gcc/config/aarch64/aarch64.cc > @@ -8492,8 +8492,7 @@ aarch64_output_probe_sve_stack_clash (rtx base, rtx > adjustment, > static bool > aarch64_needs_frame_chain (void) > { > - /* Force a frame chain for EH returns so the return address is at FP+8. */ > - if (frame_pointer_needed || crtl->calls_eh_return) > + if (frame_pointer_needed) > return true; > > /* A leaf function cannot have calls or write LR. */
