Great ! I am gonna wait for Richi's  approval.


juzhe.zh...@rivai.ai
 
From: Andrew Stubbs
Date: 2023-10-10 17:40
To: Juzhe-Zhong; gcc-patches@gcc.gnu.org
CC: rguent...@suse.de; jeffreya...@gmail.com
Subject: Re: [PATCH] RISC-V Regression: Fix FAIL of bb-slp-pr65935.c for RVV
On 10/10/2023 02:39, Juzhe-Zhong wrote:
> Here is the reference comparing dump IR between ARM SVE and RVV.
> 
> https://godbolt.org/z/zqess8Gss
> 
> We can see RVV has one more dump IR:
> optimized: basic block part vectorized using 128 byte vectors
> since RVV has 1024 bit vectors.
> 
> The codegen is reasonable good.
> 
> However, I saw GCN also has 1024 bit vector.
> This patch may cause this case FAIL in GCN port ?
> 
> Hi, GCN folk, could you check this patch in GCN port for me ?
 
This patch *fixes* an existing test fail on GCN. :)
 
It's probably one of the many I've never had time to analyze (and 
optimizing more than expected makes it low priority).
 
LGTM
 
Andrew
 

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