diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 689f2916faa..cd95c4a9070 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2011-03-30  Joseph Myers  <joseph@codesourcery.com>
+	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR bootstrap/48337
+	* config/sparc/sparc.opt (sparc_cpu_and_features): Add
+	Init(PROCESSOR_V7).
+	(sparc_cpu): Likewise.
+	* config/sparc/sparc.c (sparc_option_override): Replace 0 by
+	PROCESSOR_V7.
+
 2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR target/48336
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index a90cdb324f5..1e7ce535654 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -695,7 +695,7 @@ sparc_option_override (void)
     { TARGET_CPU_ultrasparc3, PROCESSOR_ULTRASPARC3 },
     { TARGET_CPU_niagara, PROCESSOR_NIAGARA },
     { TARGET_CPU_niagara2, PROCESSOR_NIAGARA2 },
-    { -1, 0 }
+    { -1, PROCESSOR_V7 }
   };
   const struct cpu_default *def;
   /* Table of values for -m{cpu,tune}=.  This must match the order of
diff --git a/gcc/config/sparc/sparc.opt b/gcc/config/sparc/sparc.opt
index 9d8e26b7542..b7fac0946e6 100644
--- a/gcc/config/sparc/sparc.opt
+++ b/gcc/config/sparc/sparc.opt
@@ -86,11 +86,11 @@ Target
 Optimize tail call instructions in assembler and linker
 
 mcpu=
-Target RejectNegative Joined Var(sparc_cpu_and_features) Enum(sparc_processor_type)
+Target RejectNegative Joined Var(sparc_cpu_and_features) Enum(sparc_processor_type) Init(PROCESSOR_V7)
 Use features of and schedule code for given CPU
 
 mtune=
-Target RejectNegative Joined Var(sparc_cpu) Enum(sparc_processor_type)
+Target RejectNegative Joined Var(sparc_cpu) Enum(sparc_processor_type) Init(PROCESSOR_V7)
 Schedule code for given CPU
 
 Enum