* config.gcc: Reorganize --with-cpu logic. Set

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.h

diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 6941f3e..fe47b03 100644 (file)
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -483,6 +483,12 @@ extern int x86_prefetch_sse;
 #define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
   optimization_options ((LEVEL), (SIZE))
 
+/* Support for configure-time defaults of some command line options.  */
+#define OPTION_DEFAULT_SPECS \
+  {"arch", "%{!march=*:-march=%(VALUE)}"}, \
+  {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
+  {"cpu", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }
+
 /* Specs for the compiler proper */
 
 #ifndef CC1_CPU_SPEC