From ea9ee4dd64ee88e03a959b2c694aa8feb53c7e78 Mon Sep 17 00:00:00 2001 From: He Zhe Date: Wed, 28 Sep 2022 16:47:24 +0800 Subject: [PATCH] stress-cpu: disable float128 math on powerpc64 to avoid SIGILL float128 requires instructions of xsmaddqp and xsmsubqp which are added to qemu since v7.0 by the following commit. https://github.com/qemu/qemu/commit/3bb1aed246d7b59ceee625a82628f7369d492a8f While kirkstone is still at v6.2 and thus experiences SIGILL as follow root@qemuppc64:~# stress-ng --cpu 2 --timeout 30s stress-ng: info: [972] setting to a 30 second run per stressor stress-ng: info: [972] dispatching hogs: 2 cpu stress-ng: info: [973] stressor terminated with unexpected signal signal 4 'SIGILL' Upstream-Status: Inappropriate [This is specific to kirkstone since qemu on master branch has upgraded to v7.1.] Signed-off-by: He Zhe --- stress-cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/stress-cpu.c b/stress-cpu.c index 0a08f1d1..2849e715 100644 --- a/stress-cpu.c +++ b/stress-cpu.c @@ -41,6 +41,10 @@ #undef HAVE_FLOAT_DECIMAL128 #endif +#if defined(STRESS_ARCH_PPC64) +#undef HAVE_FLOAT128 +#endif + #define GAMMA (0.57721566490153286060651209008240243104215933593992L) #define OMEGA (0.56714329040978387299996866221035554975381578718651L) #define PSI (3.35988566624317755317201130291892717968890513373197L) -- 2.25.1