On 16/06/2020 16.02, Paolo Bonzini wrote: > On 64-bit hosts we are disabling SSE and SSE2. Depending on the > compiler however it may use movq instructions for 64-bit transfers > even when targeting 32-bit processors; when CR4.OSFXSR is not set, > this results in an undefined opcode exception, so tell the compiler > to avoid those instructions on 32-bit hosts as well. > > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > x86/Makefile.i386 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/x86/Makefile.i386 b/x86/Makefile.i386 > index d801b80..be9d6bc 100644 > --- a/x86/Makefile.i386 > +++ b/x86/Makefile.i386 > @@ -1,6 +1,7 @@ > cstart.o = $(TEST_DIR)/cstart.o > bits = 32 > ldarch = elf32-i386 > +COMMON_CFLAGS += -mno-sse -mno-sse2 That's likely a good idea, but it still does not fix the problem in the gitlab-ci: https://gitlab.com/huth/kvm-unit-tests/-/jobs/597747782#L1934 ? Thomas
