Use -mno-pcrel for tests requiring TOC.

2020-02-27  Bill Schmidt  <wschmidt@linux.ibm.com>

        * gcc.target/powerpc/ppc64-abi-1.c: Compile with -mno-pcrel.
        * gcc.target/powerpc/ppc64-abi-2.c: Likewise.

gcc/testsuite/ChangeLog

+2020-02-27  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* gcc.target/powerpc/ppc64-abi-1.c: Compile with -mno-pcrel.
+	* gcc.target/powerpc/ppc64-abi-2.c: Likewise.
+
 2020-02-27  Alexandre Oliva <oliva@adacore.com>
 
 	* gcc.target/aarch64/vect-mull.x (SH): Undefine.

gcc/testsuite/gcc.target/powerpc/ppc64-abi-1.c

 /* { dg-do run { target { powerpc*-*-* && lp64 } } } */
 /* { dg-skip-if "" { *-*-darwin* } } */
-/* { dg-options "-O2" } */
+/* { dg-options "-O2 -mno-pcrel" } */
 
 typedef __builtin_va_list va_list;
 #define va_start(ap, arg) __builtin_va_start (ap, arg)

gcc/testsuite/gcc.target/powerpc/ppc64-abi-2.c

 /* { dg-do run { target { { powerpc*-*-linux* && lp64 } && powerpc_altivec_ok } } } */
-/* { dg-options "-O2 -fprofile -mprofile-kernel -maltivec -mabi=altivec" } */
+/* { dg-options "-O2 -fprofile -mprofile-kernel -maltivec -mabi=altivec -mno-pcrel" } */
 #include <stdarg.h>
 #include <signal.h>
 #include <altivec.h>