Skip test for non-x86 targets.

	PR testsuite/94334
	* gcc.dg/lto/pr94271_0.c: Skip for non-x86 targets
	and add ifunc effective target.
	* gcc.target/i386/pr81213-2.c: Add ifunc effective target.

gcc/testsuite/ChangeLog

+2020-03-26  Martin Liska  <mliska@suse.cz>
+
+	PR testsuite/94334
+	* gcc.dg/lto/pr94271_0.c: Skip for non-x86 targets
+	and add ifunc effective target.
+	* gcc.target/i386/pr81213-2.c: Add ifunc effective target.
+
 2020-03-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/94281

gcc/testsuite/gcc.dg/lto/pr94271_0.c

 /* PR lto/94271 */
+/* { dg-skip-if "" { ! { i?86-*-* x86_64-*-* } } } */
 /* { dg-lto-do link } */
+/* { dg-require-ifunc "" } */
 
 int a;
 

gcc/testsuite/gcc.target/i386/pr81213-2.c

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