Re: [PATCH] Improve memset handling in value-numbering

2018-05-20 Thread Richard Biener
On May 20, 2018 2:54:46 PM GMT+02:00, "H.J. Lu" wrote: >On Thu, May 17, 2018 at 5:05 AM, Richard Biener >wrote: >> >> Noticed in PR63185. >> >> Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. >> >> Richard. >> >> 2018-05-17 Richard Biener >> >> * tree-ssa-sccvn.c (vn_refe

Re: [PATCH] Improve memset handling in value-numbering

2018-05-20 Thread H.J. Lu
On Thu, May 17, 2018 at 5:05 AM, Richard Biener wrote: > > Noticed in PR63185. > > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. > > Richard. > > 2018-05-17 Richard Biener > > * tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling. > > * gcc.dg/tree-

[PATCH] Improve memset handling in value-numbering

2018-05-17 Thread Richard Biener
Noticed in PR63185. Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. Richard. 2018-05-17 Richard Biener * tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling. * gcc.dg/tree-ssa/ssa-fre-63.c: New testcase. diff --git a/gcc/testsuite/gcc.dg/tree-ss