The movdqu and movapd instructions are SSE2 instructions. Clang interprets the __attribute__((target("sse"))) as allowing SSE only instructions. Using SSE2 instructions cause an error. Signed-off-by: Bill Wendling <morbo@xxxxxxxxxx> --- x86/emulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/x86/emulator.c b/x86/emulator.c index 621caf9..bec0154 100644 --- a/x86/emulator.c +++ b/x86/emulator.c @@ -657,7 +657,7 @@ static bool sseeq(sse_union *v1, sse_union *v2) return ok; } -static __attribute__((target("sse"))) void test_sse(sse_union *mem) +static __attribute__((target("sse2"))) void test_sse(sse_union *mem) { sse_union v; -- 2.23.0.700.g56cf767bdb-goog