On Wed, 20 Feb 2019 at 15:59, Jeff Law <l...@redhat.com> wrote: > > On 2/20/19 6:17 AM, Jakub Jelinek wrote: > > On Wed, Feb 20, 2019 at 11:13:54AM +0000, Andrew Stubbs wrote: > >> This patch causes a number of test regressions for (at least) arm and > >> amdgcn. I've run a bisect and confirmed this is the first commit where it > >> doesn't work. > > > > The following, so far untested (except for x86_64->armv7hl-linux-gnueabi > > cross on the builtin-math-7.c testcase and x86_64-linux native on the > > pr88074* testcases) patch should cure this, will bootstrap/regtest it > > tonight. > > > > 2019-02-20 Jakub Jelinek <ja...@redhat.com> > > > > PR middle-end/88074 > > * toplev.c (do_compile): Double the emin/emax exponents to workaround > > buggy mpc_norm. > > > > * gcc.dg/pr88074-2.c: New test. > That fixed all the *-elf regressions in my tester (arc, nds32be, v850e, > mn10300, msp430, nds32le, lm3, visium, or1k, cris, iq2000, fr30, m32r, > mcore, crisv32 all flagged it as a regression). > > I suspect it'll fix the regressions on with sparc64, aarch64 & s390x > native linux since they all regressed just the sinatan test. > > The powerpc64 and powerpc64le platforms continue to have all kinds of > problems. The amount of instability from day to day is concerning. >
Jakub's patch does fix the regressions I reported on aarch64 and arm (sinatan, builtin-math-7 and the fortran one) Thanks > jeff