1 files changed, 32 insertions, 17 deletions

diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index ff8edbd3e17..2d5d0539bb4 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -2318,8 +2318,9 @@ proc check_ppc_mma_hw_available { } {
 proc check_ppc_float128_sw_available { } {
     return [check_cached_effective_target ppc_float128_sw_available {
 	# Some simulators are known to not support VSX/power8/power9
-	# instructions.	For now, disable on Darwin.
-	if { [istarget powerpc-*-eabi]
+	# instructions.	For now, disable on Darwin and VxWorks.
+	if { [istarget *-*-vxworks*]
+	     || [istarget powerpc-*-eabi]
 	     || [istarget powerpc*-*-eabispe]
 	     || [istarget *-*-darwin*]} {
 	    expr 0
@@ -2345,7 +2346,8 @@ proc check_ppc_float128_hw_available { } {
     return [check_cached_effective_target ppc_float128_hw_available {
 	# Some simulators are known to not support VSX/power8/power9
 	# instructions.	For now, disable on Darwin.
-	if { [istarget powerpc-*-eabi]
+	if { [istarget *-*-vxworks*]
+	     || [istarget powerpc-*-eabi]
 	     || [istarget powerpc*-*-eabispe]
 	     || [istarget *-*-darwin*]} {
 	    expr 0
@@ -2370,8 +2372,9 @@ proc check_ppc_float128_hw_available { } {
 # See if the __ieee128 keyword is understood.
 proc check_effective_target_ppc_ieee128_ok { } {
     return [check_cached_effective_target ppc_ieee128_ok {
-	# disable on AIX.
-	if { [istarget *-*-aix*] } {
+	# disable on AIX and VxWorks.
+	if { [istarget *-*-aix*]
+	     || [istarget *-*-vxworks*]} {
 	    expr 0
 	} else {
 	    set options "-mfloat128"
@@ -6316,63 +6319,73 @@ 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 {
+	return [check_no_compiler_messages_nocache arch_pwr5 assembly {
 		#ifndef _ARCH_PWR5
 		#error does not have power5 support.
 		#else
 		/* "has power5 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
 }
 
 proc check_effective_target_has_arch_pwr6 { } {
-	return [check_no_compiler_messages arch_pwr6 assembly {
+	return [check_no_compiler_messages_nocache arch_pwr6 assembly {
 		#ifndef _ARCH_PWR6
 		#error does not have power6 support.
 		#else
 		/* "has power6 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
 }
 
 proc check_effective_target_has_arch_pwr7 { } {
-	return [check_no_compiler_messages arch_pwr7 assembly {
+	return [check_no_compiler_messages_nocache arch_pwr7 assembly {
 		#ifndef _ARCH_PWR7
 		#error does not have power7 support.
 		#else
 		/* "has power7 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
 }
 
 proc check_effective_target_has_arch_pwr8 { } {
-	return [check_no_compiler_messages arch_pwr8 assembly {
+	return [check_no_compiler_messages_nocache arch_pwr8 assembly {
 		#ifndef _ARCH_PWR8
 		#error does not have power8 support.
 		#else
 		/* "has power8 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
 }
 
 proc check_effective_target_has_arch_pwr9 { } {
-	return [check_no_compiler_messages arch_pwr9 assembly {
+	return [check_no_compiler_messages_nocache arch_pwr9 assembly {
 		#ifndef _ARCH_PWR9
 		#error does not have power9 support.
 		#else
 		/* "has power9 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
 }
 
 proc check_effective_target_has_arch_pwr10 { } {
-	return [check_no_compiler_messages arch_pwr10 assembly {
+	return [check_no_compiler_messages_nocache arch_pwr10 assembly {
 		#ifndef _ARCH_PWR10
 		#error does not have power10 support.
 		#else
 		/* "has power10 support" */
 		#endif
-	}]
+	} [current_compiler_flags]]
+}
+
+proc check_effective_target_has_arch_ppc64 { } {
+	return [check_no_compiler_messages_nocache arch_ppc64 assembly {
+		#ifndef _ARCH_PPC64
+		#error does not have ppc64 support.
+		#else
+		/* "has ppc64 support" */
+		#endif
+	} [current_compiler_flags]]
 }
 
 # Return 1 if this is a PowerPC target supporting -mcpu=power10.
@@ -11757,6 +11770,8 @@ proc check_effective_target___OPTIMIZE__ {} {
 	#ifndef __OPTIMIZE__
 	# error nein
 	#endif
+	/* Avoid pedwarn about empty TU.  */
+	int dummy;
     } [current_compiler_flags]]
 }