Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread Richard Biener via Gcc-patches
d Biener > Date: 2022-09-22 16:48 > To: juzhe.zh...@rivai.ai > CC: gcc-patches > Subject: Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis > On Thu, 22 Sep 2022, juzhe.zh...@rivai.ai wrote: > > > Does your local code exclude my codes? > > I am using GCC12.2. Whe

Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread juzhe.zh...@rivai.ai
this book provided? Or you have another better option to fix this issue ? Thanks. juzhe.zh...@rivai.ai From: Richard Biener Date: 2022-09-22 16:48 To: juzhe.zh...@rivai.ai CC: gcc-patches Subject: Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis On Thu, 22 Sep 2022, juzhe.zh...@rivai.ai

Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread juzhe.zh...@rivai.ai
rd Biener > Date: 2022-09-22 16:01 > To: juzhe.zh...@rivai.ai > Subject: Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis > On Thu, 22 Sep 2022, juzhe.zh...@rivai.ai wrote: > > > I tried this solution you gave: > > >> else if (ref_maybe_used_by_stmt_p (use_

Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread Richard Biener via Gcc-patches
ess that's expected. Indeed when applying the patch to the GCC 12 branch the case isn't optimized. I think it's probably the PR106019 fix missing, aka r13-1203-g038b077689bb53 Richard. > > > > juzhe.zh...@rivai.ai > > From: Richard Biener > Date: 2022-

Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread juzhe.zh...@rivai.ai
: Richard Biener Date: 2022-09-22 16:01 To: juzhe.zh...@rivai.ai Subject: Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis On Thu, 22 Sep 2022, juzhe.zh...@rivai.ai wrote: > I tried this solution you gave: > >> else if (ref_maybe_used_by_stmt_p (use_stmt, ref)) > >&

Re: Re: [PATCH] DSE: Enhance dse with def-ref analysis

2022-09-22 Thread juzhe.zh...@rivai.ai
OK. You mean we should check why if fails in ref_maybe_used_by_stmt_p instead of doing the data-ref analysis outside dse_classify_store ? juzhe.zh...@rivai.ai From: Richard Biener Date: 2022-09-22 15:32 To: Ju-Zhe Zhong CC: gcc-patches; richard.sandiford Subject: Re: [PATCH] DSE: Enhance dse wi