[LLVMdev] LLVM ERROR: No such instruction: `vmovsd ...' ?

[Eli Friedman]

On Fri, Mar 18, 2011 at 2:56 PM, Nicolas Ojeda Bar
<nojb at math.harvard.edu> wrote:
> Hello,
>
> I am running a i7 MacBook Pro 2011. If I write:
>
> @g = global double 0.000000e+00
>
> define i32 @main() {
> entry:
>  %0 = load double* @g
>  %1 = fmul double 1.000000e+06, %0
>  store double %1, double* @g
>  ret i32 0
> }
>
> in test.ll and I run
>
>> llc test.ll
>> gcc test.s
>
> I get:
>
> test.s:12:no such instruction: `vmovsd _g(%rip), %xmm0'
> test.s:13:no such instruction: `vmulsd LCPI0_0(%rip), %xmm0,%xmm0'
> test.s:14:no such instruction: `vmovsd %xmm0, _g(%rip)'
>
> I'm completely puzzled. Help?
>
> Thanks!
> N

It looks like llc is generating AVX instructions.  IIRC, it isn't
supposed to at the moment if you don't explicitly request it; what
version are you using?

-Eli