i386.c (ix86_isa_flags_explicit): Remove.

	* config/i386/i386.c (ix86_isa_flags_explicit): Remove.
	(ix86_handle_option): Access ix86_isa_flags and
	ix86_isa_flags_explicit via opts pointer.  Don't assert that
	global structures are in use.
	(ix86_function_specific_save, ix86_function_specific_restore):
	Update ix86_isa_flags_explicit field name.
	* config/i386/i386.opt (ix86_isa_flags_explicit): New Variable
	entry.
	(ix86_isa_flags_explicit): Rename TargetSave entry to
	x_ix86_isa_flags_explicit.

From-SVN: r171310

gcc/ChangeLog

+2011-03-22  Joseph Myers  <joseph@codesourcery.com>
+
+	* config/i386/i386.c (ix86_isa_flags_explicit): Remove.
+	(ix86_handle_option): Access ix86_isa_flags and
+	ix86_isa_flags_explicit via opts pointer.  Don't assert that
+	global structures are in use.
+	(ix86_function_specific_save, ix86_function_specific_restore):
+	Update ix86_isa_flags_explicit field name.
+	* config/i386/i386.opt (ix86_isa_flags_explicit): New Variable
+	entry.
+	(ix86_isa_flags_explicit): Rename TargetSave entry to
+	x_ix86_isa_flags_explicit.
+
 2011-03-22  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.c (NUM_ARGS): Don't test TARGET_ABI_UNICOSMK.

gcc/config/i386/i386.opt

@@ -23,6 +23,11 @@
 Variable
 int ix86_isa_flags = TARGET_64BIT_DEFAULT | TARGET_SUBTARGET_ISA_DEFAULT
 
+; A mask of ix86_isa_flags that includes bit X if X was set or cleared
+; on the command line.
+Variable
+int ix86_isa_flags_explicit
+
 ;; Definitions to add to the cl_target_option structure
 ;; -march= processor
 TargetSave
@@ -46,7 +51,7 @@ unsigned char branch_cost
 
 ;; which flags were passed by the user
 TargetSave
-int ix86_isa_flags_explicit
+int x_ix86_isa_flags_explicit
 
 ;; which flags were passed by the user
 TargetSave