Re: [Linaro-TCWG-CI] gcc-17-577-gbc19036af435: 2 regressions on aarch64
Jeffrey Law via Gcc-regression <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.comp.gcc.patches |
|---|---|
| Message-ID | <[email protected]> |
On 5/18/2026 9:39 PM, [email protected] wrote: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In aarch64 native, after: > | commit gcc-17-577-gbc19036af435 > | Author: Jeff Law <[email protected]> > | Date: Mon May 18 15:17:27 2026 -0600 > | > | [RISC-V] Improve ext-dce's live bit tracking for IOR/AND with a constant argument > | > | Investigation of a regression with some RISC-V target changes exposed a clear > | missed optimization in ext-dce.c > | > | ... 67 lines of the commit log omitted. > > Produces 2 regressions: > | > | regressions.sum: > | Running gcc:gcc.target/aarch64/aarch64.exp ... > | FAIL: gcc.target/aarch64/tbz_1.c check-function-bodies g1 > | FAIL: gcc.target/aarch64/tbz_1.c check-function-bodies g2 I've reproduced this locally. I haven't gotten into the debug cycle yet, but wanted folks to know it's mine AFAICT to avoid duplicating debugging efforts. jeff