Fix typo in __builtin_ia32_paddb256, __builtin_ia32_pavgb256

From-SVN: r195110

gcc/ChangeLog

+2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	* doc/extend.texi (X86 Built-in Functions): Add whitespace in
+	__builtin_ia32_paddb256 and __builtin_ia32_pavgb256
+	documentation.
+
 2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
 	PR target/55719

gcc/doc/extend.texi

@@ -10434,7 +10434,7 @@ v16hi builtin_ia32_packssdw256 (v8si,v8si)
 v32qi __builtin_ia32_packsswb256 (v16hi,v16hi)
 v16hi __builtin_ia32_packusdw256 (v8si,v8si)
 v32qi __builtin_ia32_packuswb256 (v16hi,v16hi)
-v32qi__builtin_ia32_paddb256 (v32qi,v32qi)
+v32qi __builtin_ia32_paddb256 (v32qi,v32qi)
 v16hi __builtin_ia32_paddw256 (v16hi,v16hi)
 v8si __builtin_ia32_paddd256 (v8si,v8si)
 v4di __builtin_ia32_paddq256 (v4di,v4di)
@@ -10445,7 +10445,7 @@ v16hi __builtin_ia32_paddusw256 (v16hi,v16hi)
 v4di __builtin_ia32_palignr256 (v4di,v4di,int)
 v4di __builtin_ia32_andsi256 (v4di,v4di)
 v4di __builtin_ia32_andnotsi256 (v4di,v4di)
-v32qi__builtin_ia32_pavgb256 (v32qi,v32qi)
+v32qi __builtin_ia32_pavgb256 (v32qi,v32qi)
 v16hi __builtin_ia32_pavgw256 (v16hi,v16hi)
 v32qi __builtin_ia32_pblendvb256 (v32qi,v32qi,v32qi)
 v16hi __builtin_ia32_pblendw256 (v16hi,v16hi,int)