[Qemu-devel] i386: SSE 4 implementation does not match bare metal

2015-10-12 Thread Florian Weimer
We received a bug report that the SSE-4.2-based strstr in glibc 2.17 was misbehaving and returned NULL for certain inputs, even though the search pattern is clearly present in the subject string. I'm attaching a test case. You can run it as "./tst-strstr 3" to directly go to one failing case. I'

Re: [Qemu-devel] i386: SSE 4 implementation does not match bare metal

2015-10-12 Thread Paolo Bonzini
On 12/10/2015 10:21, Florian Weimer wrote: > We received a bug report that the SSE-4.2-based strstr in glibc 2.17 was > misbehaving and returned NULL for certain inputs, even though the search > pattern is clearly present in the subject string. I'm attaching a test > case. You can run it as "./