PowerPC Add has_arch_pwr* checks

testsuite/

2020-02-25 Will Schmidt  <will_schmidt@vnet.ibm.com>

      * lib/target_supports.exp (check_effective_target_has_arch_pwr5): New.
      (check_effective_target_has_arch_pwr6): New.
      (check_effective_target_has_arch_pwr7): New.
      (check_effective_target_has_arch_pwr8): New.
      (check_effective_target_has_arch_pwr9): New.
      * gcc.target/powerpc/pr92132-fp-1.c: Add target check.

gcc/testsuite/ChangeLog

+2020-02-27  Will Schmidt  <will_schmidt@vnet.ibm.com>
+
+	* lib/target_supports.exp (check_effective_target_has_arch_pwr5): New.
+	(check_effective_target_has_arch_pwr6): New.
+	(check_effective_target_has_arch_pwr7): New.
+	(check_effective_target_has_arch_pwr8): New.
+	(check_effective_target_has_arch_pwr9): New.
+	* gcc.target/powerpc/pr92132-fp-1.c: Add target check.
+
+
 2020-02-27  Bill Schmidt  <wschmidt@linux.ibm.com>
 
 	* gcc.target/powerpc/ppc64-abi-1.c: Compile with -mno-pcrel.

gcc/testsuite/gcc.target/powerpc/pr92132-fp-1.c

@@ -294,4 +294,4 @@ main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 14 "vect" } } */
+/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 14 "vect" { target has_arch_pwr8 } } } */

gcc/testsuite/lib/target-supports.exp

@@ -5549,6 +5549,58 @@ proc check_effective_target_powerpc_p9modulo_ok { } {
     }
 }
 
+# return 1 if our compiler returns the ARCH_PWR defines with the options
+# as provided by the test.
+proc check_effective_target_has_arch_pwr5 { } {
+	return [check_no_compiler_messages arch_pwr5 assembly {
+		#ifndef _ARCH_PWR5
+		#error does not have power5 support.
+		#else
+		/* "has power5 support" */
+		#endif
+	}]
+}
+
+proc check_effective_target_has_arch_pwr6 { } {
+	return [check_no_compiler_messages arch_pwr6 assembly {
+		#ifndef _ARCH_PWR6
+		#error does not have power6 support.
+		#else
+		/* "has power6 support" */
+		#endif
+	}]
+}
+
+proc check_effective_target_has_arch_pwr7 { } {
+	return [check_no_compiler_messages arch_pwr7 assembly {
+		#ifndef _ARCH_PWR7
+		#error does not have power7 support.
+		#else
+		/* "has power7 support" */
+		#endif
+	}]
+}
+
+proc check_effective_target_has_arch_pwr8 { } {
+	return [check_no_compiler_messages arch_pwr8 assembly {
+		#ifndef _ARCH_PWR8
+		#error does not have power8 support.
+		#else
+		/* "has power8 support" */
+		#endif
+	}]
+}
+
+proc check_effective_target_has_arch_pwr9 { } {
+	return [check_no_compiler_messages arch_pwr9 assembly {
+		#ifndef _ARCH_PWR9
+		#error does not have power9 support.
+		#else
+		/* "has power9 support" */
+		#endif
+	}]
+}
+
 # Return 1 if this is a PowerPC target supporting -mfuture.
 # Limit this to 64-bit linux systems for now until other
 # targets support FUTURE.