-msse4.1 causes "SSE4.2 instruction set not enabled"

[Xi Ruoyao]

On 2017-08-11 05:22 -0400, Jeffrey Walton wrote:
> On Wed, Aug 9, 2017 at 12:59 AM, Xi Ruoyao <ryxi@stu.xidian.edu.cn> wrote:
> > Use <smmintrin.h>.

> Thanks Xi.
> 
> How did you know to use <smmintrin.h>? Intel docs say <nmmintrin.h> is
> the header to use, and GCC says to use Intel docs.

Intel docs say <smmintrin.h>:
<https://software.intel.com/sites/landingpage/IntrinsicsGuide/#techs=SSE4_1&expand=2268>

and <nmmintrin.h> contains SSE 4.2 STTNI (String and Text New Instructions),
such as CRC32.
-- 
Xi Ruoyao <ryxi@stu.xidian.edu.cn>
School of Aerospace Science and Technology, Xidian University