Fix AVX-512BITALG test failures

gcc/testsuite
        PR target/83828
	* gcc.target/i386/avx512bitalg-vpopcntb-1.c: Fix test.
	* gcc.target/i386/avx512bitalg-vpopcntw-1.c: Ditto.
	* gcc.target/i386/avx512bitalgvl-vpopcntb-1.c: Ditto.
	* gcc.target/i386/avx512bitalgvl-vpopcntw-1.c: Ditto.

From-SVN: r257173

gcc/testsuite/ChangeLog

+2018-01-30  Kirill Yukhin  <kirill.yukhin@gmail.com>
+
+        PR target/83828
+	* gcc.target/i386/avx512bitalg-vpopcntb-1.c: Fix test.
+	* gcc.target/i386/avx512bitalg-vpopcntw-1.c: Ditto.
+	* gcc.target/i386/avx512bitalgvl-vpopcntb-1.c: Ditto.
+	* gcc.target/i386/avx512bitalgvl-vpopcntw-1.c: Ditto.
+
 2018-01-19  Jeff Law  <law@redhat.com>
 
 	PR testsuite/81010

gcc/testsuite/gcc.target/i386/avx512bitalg-vpopcntb-1.c

 /* { dg-do run } */
-/* { dg-options "-O2 -mavx512bitalg" } */
+/* { dg-options "-O2 -mavx512bitalg -mavx512bw" } */
 /* { dg-require-effective-target avx512bitalg } */
+/* { dg-require-effective-target avx512bw } */
 
 #include "avx512f-helper.h"
 

gcc/testsuite/gcc.target/i386/avx512bitalg-vpopcntw-1.c

 /* { dg-do run } */
-/* { dg-options "-O2 -mavx512bitalg" } */
+/* { dg-options "-O2 -mavx512bitalg -mavx512bw" } */
 /* { dg-require-effective-target avx512bitalg } */
+/* { dg-require-effective-target avx512bw } */
 
 #include "avx512f-helper.h"
 

gcc/testsuite/gcc.target/i386/avx512bitalgvl-vpopcntb-1.c

 /* { dg-do run } */
-/* { dg-options "-O2 -mavx512vl -mavx512bitalg" } */
+/* { dg-options "-O2 -mavx512vl -mavx512bitalg -mavx512bw" } */
 /* { dg-require-effective-target avx512vl } */
 /* { dg-require-effective-target avx512bitalg } */
+/* { dg-require-effective-target avx512bw } */
 
 #define AVX512VL
 #define AVX512F_LEN 256

gcc/testsuite/gcc.target/i386/avx512bitalgvl-vpopcntw-1.c

 /* { dg-do run } */
-/* { dg-options "-O2 -mavx512vl -mavx512bitalg" } */
+/* { dg-options "-O2 -mavx512vl -mavx512bitalg -mavx512bw" } */
 /* { dg-require-effective-target avx512vl } */
 /* { dg-require-effective-target avx512bitalg } */
+/* { dg-require-effective-target avx512bw } */
 
 #define AVX512VL
 #define AVX512F_LEN 256