Re: [PATCH] RISC-V: prevent NULL_RTX dereference in riscv_macro_fusion_pair_p ()

2025-07-19 Thread Jeff Law
On 7/18/25 12:29 PM, Artemiy Volkov wrote: On Fri, Jul 18, 2025 at 11:42:59AM -0600, Jeff Law wrote: On 7/18/25 11:03 AM, Artemiy Volkov wrote: On Wed, Jul 02, 2025 at 08:15:40PM -0600, Jeff Law wrote: A number of folks have had their fingers in this code and it's going to take a few subm

Re: [PATCH] RISC-V: prevent NULL_RTX dereference in riscv_macro_fusion_pair_p ()

2025-07-18 Thread Artemiy Volkov
On Fri, Jul 18, 2025 at 11:42:59AM -0600, Jeff Law wrote: > > > On 7/18/25 11:03 AM, Artemiy Volkov wrote: > > On Wed, Jul 02, 2025 at 08:15:40PM -0600, Jeff Law wrote: > > > A number of folks have had their fingers in this code and it's going to > > > take > > > a few submissions to do everythi

Re: [PATCH] RISC-V: prevent NULL_RTX dereference in riscv_macro_fusion_pair_p ()

2025-07-18 Thread Jeff Law
On 7/18/25 11:03 AM, Artemiy Volkov wrote: On Wed, Jul 02, 2025 at 08:15:40PM -0600, Jeff Law wrote: A number of folks have had their fingers in this code and it's going to take a few submissions to do everything we want to do. This patch is primarily concerned with avoiding signaling that f

[PATCH] RISC-V: prevent NULL_RTX dereference in riscv_macro_fusion_pair_p ()

2025-07-18 Thread Artemiy Volkov
ebefc1 Mon Sep 17 00:00:00 2001 From: Artemiy Volkov Date: Wed, 16 Jul 2025 16:12:02 + Subject: [PATCH] RISC-V: prevent NULL_RTX dereference in riscv_macro_fusion_pair_p () Introduced in r16-1984-g83d19b5d842dad, initializers for {prev,curr}_dest_regno can cause an ICE if the respective insn is