Re: [PATCH] sel-sched: Verify change before replacing dest in EXPR_INSN_RTX [PR112995]

Hi Jeff, on 2023/12/21 04:30, Jeff Law wrote: > > > On 12/15/23 01:52, Kewen.Lin wrote: >> Hi, >> >> PR112995 exposed one issue in current try_replace_dest_reg >> that the result rtx insn after replace_dest_with_reg_in_expr >> is probably unable to match any constraints.  Although there >> are s

Re: [PATCH] sel-sched: Verify change before replacing dest in EXPR_INSN_RTX [PR112995]

On 12/15/23 01:52, Kewen.Lin wrote: Hi, PR112995 exposed one issue in current try_replace_dest_reg that the result rtx insn after replace_dest_with_reg_in_expr is probably unable to match any constraints. Although there are some checks on the changes onto dest or src of orig_insn, none is pe

[PATCH] sel-sched: Verify change before replacing dest in EXPR_INSN_RTX [PR112995]

Hi, PR112995 exposed one issue in current try_replace_dest_reg that the result rtx insn after replace_dest_with_reg_in_expr is probably unable to match any constraints. Although there are some checks on the changes onto dest or src of orig_insn, none is performed on the EXPR_INSN_RTX. This patch