On Mon, Apr 11, 2022 at 08:54:14PM -0300, Alexandre Oliva wrote: > On Apr 7, 2022, HAO CHEN GUI via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > > Gentle ping this: > > https://gcc.gnu.org/pipermail/gcc-patches/2022-February/590958.html > > Thanks > > >> On 28/2/2022 上午 11:17, HAO CHEN GUI wrote: > > >>> This patch corrects the match pattern in pr56605.c. The former pattern > >>> is wrong and test case fails with GCC11. It should match following insn on > >>> each subtarget after mode promotion is disabled. The patch need to be > >>> backported to GCC11. > > >>> -/* { dg-final { scan-rtl-dump-times {\(compare:CC > >>> \((?:and|zero_extend):(?:DI) \((?:sub)?reg:[SD]I} 1 "combine" } } */ > >>> +/* { dg-final { scan-rtl-dump-times {\(compare:CC \(and:SI \(subreg:SI > >>> \(reg:DI} 1 "combine" } } */ > > > How about this less strict change instead? > > > ppc: testsuite: PROMOTE_MODE fallout pr56605 [PR102146] > > The test expects a compare of DImode values, but after the removal of > PROMOTE_MODE from rs6000/, we get SImode. Adjust the expectations. > > Tested with gcc-11 targeting ppc64-vx7r2. Ok to install?
This should have been tested on Linux as well: it is now broken on both -m32 and -m64 there. Please revert? Segher