hooks.c (hook_int_void_1): New generic hook.

	* hooks.c (hook_int_void_1): New generic hook.
	* hooks.h (hook_int_void_1): Add prototype.
	* config/c4x/c4x.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
	Define to hook_int_void_1.
	* config/c4x/c4x.md: Replace dummies for the old pipeline model
	with dummies for the new one.

From-SVN: r82682

gcc/ChangeLog

+2004-06-06  Steven Bosscher  <stevenb@suse.de>
+
+	* hooks.c (hook_int_void_1): New generic hook.
+	* hooks.h (hook_int_void_1): Add prototype.
+	* config/c4x/c4x.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
+	Define to hook_int_void_1.
+	* config/c4x/c4x.md: Replace dummies for the old pipeline model
+	with dummies for the new one.
+
 2004-06-06  Roger Sayle  <roger@eyesopen.com>
 
 	* tree.h (lvalue_or_else): Delete function prototype.

gcc/config/c4x/c4x.c

@@ -235,6 +235,9 @@ static rtx c4x_struct_value_rtx (tree, int);
 #undef TARGET_SCHED_ADJUST_COST
 #define TARGET_SCHED_ADJUST_COST c4x_adjust_cost
 
+#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE hook_int_void_1
+
 #undef TARGET_ASM_GLOBALIZE_LABEL
 #define TARGET_ASM_GLOBALIZE_LABEL c4x_globalize_label
 

gcc/config/c4x/c4x.md

@@ -502,9 +502,8 @@
 ; Just some dummy definitions. The real work is done in c4x_adjust_cost.
 ; These are needed so the min/max READY_DELAY is known.
 
-(define_function_unit "dummy" 1 0 (const_int 0) 1 1)
-(define_function_unit "dummy" 1 0 (const_int 0) 2 1)
-(define_function_unit "dummy" 1 0 (const_int 0) 3 1)
+(define_insn_reservation "any_insn" 1 (const_int 1) "nothing")
+(define_insn_reservation "slowest_insn" 3 (const_int 0) "nothing")
 
 ; The attribute setar0 is set to 1 for insns where ar0 is a dst operand.
 ; Note that the attributes unarycc and binarycc do not apply

gcc/hooks.c

@@ -48,6 +48,13 @@ hook_int_void_no_regs (void)
   return NO_REGS;
 }
 
+/* Generic hook that returns 1.  */
+int
+hook_int_void_1 (void)
+{
+  return 1;
+}
+
 /* Generic hook that takes (bool) and returns false.  */
 bool
 hook_bool_bool_false (bool a ATTRIBUTE_UNUSED)

gcc/hooks.h

@@ -46,6 +46,7 @@ extern int hook_int_tree_tree_1 (tree, tree);
 extern int hook_int_rtx_0 (rtx);
 extern int hook_int_size_t_constcharptr_int_0 (size_t, const char *, int);
 extern int hook_int_void_no_regs (void);
+extern int hook_int_void_1 (void);
 
 extern unsigned hook_uint_uint_constcharptrptr_0 (unsigned, const char **);