[PATCH, expand] Add const0 move checking for CLEAR_BY_PIECES optabs

Hi, This patch adds const0 move checking for CLEAR_BY_PIECES. The original vec_duplicate handles duplicates of non-constant inputs. But 0 is a constant. So even a platform doesn't support vec_duplicate, it could still do clear by pieces if it supports const0 move by that mode. The test cases w

Re: [PATCH, expand] Add const0 move checking for CLEAR_BY_PIECES optabs

On 1/15/24 19:04, HAO CHEN GUI wrote: Hi, This patch adds const0 move checking for CLEAR_BY_PIECES. The original vec_duplicate handles duplicates of non-constant inputs. But 0 is a constant. So even a platform doesn't support vec_duplicate, it could still do clear by pieces if it supports c

Re: [PATCH, expand] Add const0 move checking for CLEAR_BY_PIECES optabs

On 1/15/24 7:04 PM, HAO CHEN GUI wrote: Hi, This patch adds const0 move checking for CLEAR_BY_PIECES. The original vec_duplicate handles duplicates of non-constant inputs. But 0 is a constant. So even a platform doesn't support vec_duplicate, it could still do clear by pieces if it supports

Re: [PATCH, expand] Add const0 move checking for CLEAR_BY_PIECES optabs

Hi Jeff, 在 2024/7/11 6:25, Jeff Law 写道: > OK.  But given this patch is several months old, can you re-bootstrap & test  > before committing to the trunk. Thanks. I will rebase the patch and test it again. Thanks Gui Haochen