On 2/8/21 11:04 AM, Stefan Weil wrote: > > Am 08.02.21 um 18:39 schrieb Richard Henderson: >> On 2/8/21 5:07 AM, Stefan Weil wrote: >>> Richard, this commit is also the one which breaks qemu-system-i386 on >>> sparc64 >>> for me: >> You'll have to give me more details than that, because qemu-system-i386 works >> for me on a niagara5 w/ debian sid. > > > I am testing on a similar Debian system (debian-ports unstable), but with a > Niagara3 cpu: > > Linux gcc102.fsffrance.org 5.10.0-3-sparc64-smp #1 SMP Debian 5.10.12-1 > (2021-01-30) sparc64 GNU/Linux > > gcc (Debian 10.2.1-6) 10.2.1 20210110 > > $ cat /proc/cpuinfo > cpu : UltraSparc T3 (Niagara3) > fpu : UltraSparc T3 integrated FPU > pmu : niagara3 > prom : OBP 4.34.6.c 2017/03/22 13:55 > type : sun4v > ncpus probed : 256 > ncpus active : 256 > D$ parity tl1 : 0 > I$ parity tl1 : 0 > cpucaps : > flush,stbar,swap,muldiv,v9,blkinit,n2,mul32,div32,v8plus,popc,vis,vis2,ASIBlkInit,fmaf,vis3,hpc >
Ok, I've reproduced something on a T3 (gcc102.fsffrance.org). Running the same code side-by-side vs the T5, I get different results. I'll see if I can track down the difference, since they're both running the same base os. r~
