option-defaults.h (OPTION_DEFAULT_SPECS): Don't add --with-tune{,-32,-64}…

option-defaults.h (OPTION_DEFAULT_SPECS): Don't add --with-tune{,-32,-64} configured default for -mtune if...

	* config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
	add --with-tune{,-32,-64} configured default for -mtune if explicit
	-mcpu is used.

From-SVN: r152799

gcc/ChangeLog

+2009-10-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
+	add --with-tune{,-32,-64} configured default for -mtune if explicit
+	-mcpu is used.
+
 2009-10-14  DJ Delorie  <dj@redhat.com>
 	
 	* config/h8300/h8300.c (F): New.

gcc/config/rs6000/option-defaults.h

@@ -50,15 +50,15 @@
 /* Support for a compile-time default CPU, et cetera.  The rules are:
    --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
      and --with-cpu-64.
-   --with-tune is ignored if -mtune is specified; likewise --with-tune-32
-     and --with-tune-64.
+   --with-tune is ignored if -mtune or -mcpu is specified; likewise
+     --with-tune-32 and --with-tune-64.
    --with-float is ignored if -mhard-float or -msoft-float are
-    specified.  */
+     specified.  */
 #define OPTION_DEFAULT_SPECS \
+  {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
+  {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
+  {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
   {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
   {"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
   {"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
-  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
-  {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:-mtune=%(VALUE)}}" }, \
-  {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:-mtune=%(VALUE)}}" }, \
   {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }