Re: [PATCH] RISC-V: Fix some widen-complicate tests.

2025-02-15 Thread Jeff Law
On 2/14/25 4:27 AM, Robin Dapp wrote: Hi, this patch adds two bridge patterns for combine in order to fix the widen-complicate tests that regressed since GCC 14. They key is to allow combination with a ephemeral binary-operation insn that widens its first operand. This can subsequently be c

[PATCH] RISC-V: Fix some widen-complicate tests.

2025-02-14 Thread Robin Dapp
Hi, this patch adds two bridge patterns for combine in order to fix the widen-complicate tests that regressed since GCC 14. They key is to allow combination with a ephemeral binary-operation insn that widens its first operand. This can subsequently be combined two a double-widening insn. If the