Add dg-require ifunc for mvc test-cases.

2017-07-04  Martin Liska  <mliska@suse.cz>

	PR ipa/81214
	* g++.dg/ext/mvc2.C: Add dg-require ifunc.
	* g++.dg/ext/mvc3.C: Likewise.
	* gcc.target/i386/mvc2.c: Likewise.
	* gcc.target/i386/mvc3.c: Likewise.

From-SVN: r249949

gcc/testsuite/ChangeLog

+2017-07-04  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/81214
+	* g++.dg/ext/mvc2.C: Add dg-require ifunc.
+	* g++.dg/ext/mvc3.C: Likewise.
+	* gcc.target/i386/mvc2.c: Likewise.
+	* gcc.target/i386/mvc3.c: Likewise.
+
 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
 
 	* g++.dg/cpp1z/decomp1.C: Expect structured binding instead of

gcc/testsuite/g++.dg/ext/mvc2.C

 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-ifunc "" } */
 
 __attribute__((target_clones("avx","arch=slm","default")))
 __attribute__((target("avx")))

gcc/testsuite/g++.dg/ext/mvc3.C

 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-require-ifunc "" } */
 
 __attribute__((target("avx")))
 __attribute__((target_clones("avx","arch=slm","default")))

gcc/testsuite/gcc.target/i386/mvc2.c

 /* { dg-do compile } */
+/* { dg-require-ifunc "" } */
 
 __attribute__((target_clones("avx","arch=slm","arch=core-avx2")))
 int foo ();

gcc/testsuite/gcc.target/i386/mvc3.c

 /* { dg-do compile } */
+/* { dg-require-ifunc "" } */
 
 __attribute__((target_clones("avx","arch=slm","arch=core-avx2")))
 int foo (); /* { dg-error "default target was not set" } */