Rename to allow_hw_watchpoint_multi_tests

This changes skip_hw_watchpoint_multi_tests to invert the sense, and
renames it to allow_hw_watchpoint_multi_tests.

gdb/testsuite/gdb.base/break-idempotent.exp

@@ -185,7 +185,7 @@ foreach_with_prefix pie { "nopie" "pie" } {
 	}
 
 	if {[allow_hw_watchpoint_access_tests]
-	    && ![skip_hw_watchpoint_multi_tests]} {
+	    && [allow_hw_watchpoint_multi_tests]} {
 	    test_break $always_inserted "rwatch"
 	    test_break $always_inserted "awatch"
 	}

gdb/testsuite/gdb.base/watchpoint.exp

@@ -771,7 +771,7 @@ proc test_inaccessible_watchpoint {} {
 
 	# This step requires two HW watchpoints.  Since some platforms only
 	# have a single one, accept either SW or HW watchpoint in this case.
-	if {[skip_hw_watchpoint_multi_tests]} {
+	if {![allow_hw_watchpoint_multi_tests]} {
 	    set watchpoint_msg "(Watchpoint|Hardware watchpoint)"
 	}
 

gdb/testsuite/gdb.multi/watchpoint-multi.exp

@@ -62,7 +62,7 @@ gdb_breakpoint "marker_exit"
 
 gdb_test "inferior 1" "witching to inferior 1 .*" "switch back to inferior 1"
 
-if [skip_hw_watchpoint_multi_tests] {
+if {![allow_hw_watchpoint_multi_tests]} {
     # On single hardware watchpoint at least test the watchpoint in inferior
     # 2 is not hit.
 } else {

gdb/testsuite/gdb.threads/local-watch-wrong-thread.exp

@@ -19,7 +19,7 @@
 # thread other than the thread the local watchpoint was set in stops
 # for a breakpoint.
 
-require !skip_hw_watchpoint_multi_tests
+require allow_hw_watchpoint_multi_tests
 
 standard_testfile
 if {[gdb_compile_pthreads \

gdb/testsuite/gdb.threads/watchthreads-reorder.exp

@@ -25,7 +25,7 @@
 # could be assigned during continuation of a thread with pending SIGTRAP to the
 # different/new watchpoint, just based on the watchpoint/debug register number.
 
-require allow_hw_watchpoint_access_tests !skip_hw_watchpoint_multi_tests
+require allow_hw_watchpoint_access_tests allow_hw_watchpoint_multi_tests
 if {![istarget *-*-linux*]} {
     return 0
 }

gdb/testsuite/gdb.threads/watchthreads.exp

@@ -20,7 +20,7 @@
 
 # This test verifies that a watchpoint is detected in the proper thread
 # so the test is only meaningful on a system with hardware watchpoints.
-require !skip_hw_watchpoint_multi_tests
+require allow_hw_watchpoint_multi_tests
 
 proc target_no_stopped_data { } {
     return [istarget s390*-*-*]

gdb/testsuite/lib/gdb.exp

@@ -4064,21 +4064,21 @@ proc skip_hw_watchpoint_tests {} {
     return 1
 }
 
-# Return a 1 if we should skip tests that require *multiple* hardware
+# Return a 1 if we should run tests that require *multiple* hardware
 # watchpoints to be active at the same time
 
-proc skip_hw_watchpoint_multi_tests {} {
+proc allow_hw_watchpoint_multi_tests {} {
     if { [skip_hw_watchpoint_tests] } {
-	return 1
+	return 0
     }
 
     # These targets support just a single hardware watchpoint
     if { [istarget "arm*-*-*"]
 	 || [istarget "powerpc*-*-linux*"] } {
-	return 1
+	return 0
     }
 
-    return 0
+    return 1
 }
 
 # Return a 1 if we should run tests that require read/access watchpoints