On 04/19/2016 12:54 PM, Jakub Jelinek wrote:
> Can you please:
> rtx fpr = gen_rtx_REG (DImode, cfun_gpr_save_slot (i));
> if (i == STACK_POINTER_REGNUM)
> insn = emit_insn (gen_stack_restore_from_fpr (fpr));
> else
> insn = emit_move_insn (gen_rtx_REG (DImode, i),
On Tue, Apr 19, 2016 at 11:02:34AM +0200, Andreas Krebbel wrote:
> I'll post the patches for the other two parts when gcc 7 entered stage
> 1 again.
It will not reenter stage 1 again, that happened last Friday ;)
> This needs to go into 4.9/5/6 branches.
Ok for 6, but I have formatting nit:
> +
This patches fixes a problem with stack variable accesses being
scheduled after the stack pointer restore instructions. In the
testcase this happened with the stack variable 'a' accessed through the
frame pointer.
The existing stack_tie we have in the backend is basically useless
when trying to b
