Date: Wed, 23 Aug 2017 08:03:27 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 221733] SSE2 instructions emited in compiler-rt on AMD Sempron 3000+ Message-ID: <bug-221733-8-onqMcAcEnb@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-221733-8@https.bugs.freebsd.org/bugzilla/> References: <bug-221733-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221733 Konstantin Belousov <kib@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kib@FreeBSD.org --- Comment #1 from Konstantin Belousov <kib@FreeBSD.org> --- i386 system libraries must not access %xmm registers at all. At least not without checking for CPUID support first, and then checking for SSE and SSE2 features as needed. lib32 libraries built on amd64 host are somewhat different. We compile them with ppro arch set, which at least allows cmovX instructions, and this environment also can assume that SSE2 is present, since amd64 requires CPU = with SSE2 (there is no long-mode capable CPU not supporting SSE2). For i386, this is definitely bug. --=20 You are receiving this mail because: You are the assignee for the bug.=
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