* config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,

	override sparc.h definition.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82091 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 21 insertions, 0 deletions

diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index 991975a26ad..04ddcb95d17 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -223,6 +223,27 @@ Boston, MA 02111-1307, USA.  */
 "
 #endif
 
+/* Support for a compile-time default CPU, et cetera.  The rules are:
+   --with-cpu is ignored if -mcpu is specified.
+   --with-tune is ignored if -mtune is specified.
+   --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
+     are specified.
+   In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
+   here, otherwise say -mcpu=v7 would be passed even when -m64.
+   CC1_SPEC above takes care of this instead.  */
+#undef OPTION_DEFAULT_SPECS
+#if DEFAULT_ARCH32_P
+#define OPTION_DEFAULT_SPECS \
+  {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+  {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
+#else
+#define OPTION_DEFAULT_SPECS \
+  {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
+  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+  {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
+#endif
+
 #if DEFAULT_ARCH32_P
 #define MULTILIB_DEFAULTS { "m32" }
 #else