Re: [PATCH 2/3] rtl-ssa: Extend make_uses_available

2023-10-24 Thread Jeff Law
On 10/24/23 11:58, Richard Sandiford wrote: The first in-tree use of RTL-SSA was fwprop, and one of the goals was to make the fwprop rewrite preserve the old behaviour as far as possible. The switch to RTL-SSA was supposed to be a pure infrastructure change. So RTL-SSA has various FIXMEs for

[PATCH 2/3] rtl-ssa: Extend make_uses_available

2023-10-24 Thread Richard Sandiford
The first in-tree use of RTL-SSA was fwprop, and one of the goals was to make the fwprop rewrite preserve the old behaviour as far as possible. The switch to RTL-SSA was supposed to be a pure infrastructure change. So RTL-SSA has various FIXMEs for things that were artifically limited to faciliat