Index: sys/i386/i386/identcpu.c
===================================================================
RCS file: /cvs/freebsd/src/sys/i386/i386/identcpu.c,v
retrieving revision 1.190
diff -u -r1.190 identcpu.c
--- sys/i386/i386/identcpu.c	22 Oct 2008 00:01:53 -0000	1.190
+++ sys/i386/i386/identcpu.c	22 Oct 2008 20:10:15 -0000
@@ -841,10 +841,10 @@
 			    "AuthenticAMD") == 0)
 				cpu_feature &= ~CPUID_HTT;
 
-			if (!tsc_is_invariant &&
-			    (strcmp(cpu_vendor, "AuthenticAMD") == 0 &&
-			    (amd_pminfo & AMDPM_TSC_INVARIANT) != 0 ||
-			    I386_CPU_FAMILY(cpu_id) >= 0x10))) {
+			if ((!tsc_is_invariant &&
+			    strcmp(cpu_vendor, "AuthenticAMD") == 0 &&
+			    (amd_pminfo & AMDPM_TSC_INVARIANT) != 0) ||
+			    I386_CPU_FAMILY(cpu_id) >= 0x10) {
 				tsc_is_invariant = 1;
 				printf("\n  P-state invariant TSC");
 			}