Re: [PATCH] Fix BIT_FIELD_REF folding (PR middle-end/85195)

2018-04-05 Thread Richard Biener
On Wed, 4 Apr 2018, Jakub Jelinek wrote: > Hi! > > On the following testcase because of the SCCVN limit we end up with a weird, > but valid, BIT_FIELD_REF - trying to extract V1TImode type out of a V1TImode > SSA_NAME, with 128 bits width and offset 0 (just SSA_NAME move would be > enough). Not

[PATCH] Fix BIT_FIELD_REF folding (PR middle-end/85195)

2018-04-04 Thread Jakub Jelinek
Hi! On the following testcase because of the SCCVN limit we end up with a weird, but valid, BIT_FIELD_REF - trying to extract V1TImode type out of a V1TImode SSA_NAME, with 128 bits width and offset 0 (just SSA_NAME move would be enough). Not trying to address why we create it, rather fix how we