sparc: remove unnecessary convs before stores

[libfirm] / ir / be / bearch.h

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 93e247d..6307741 100644 (file)
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -593,6 +593,27 @@ struct arch_isa_if_t {
         * @deprecated, only necessary if backend still uses beabi functions
         */
        int (*register_saved_by)(const arch_register_t *reg, int callee);
+
+       /**
+        * Create a spill instruction. We assume that spill instructions
+        * do not need any additional registers and do not affect cpu-flags in any
+        * way.
+        * Construct a sequence of instructions after @p after (the resulting nodes
+        * are already scheduled).
+        * Returns a mode_M value which is used as input for a reload instruction.
+        */
+       ir_node *(*new_spill)(ir_node *value, ir_node *after);
+
+       /**
+        * Create a reload instruction. We assume that reload instructions do not
+        * need any additional registers and do not affect cpu-flags in any way.
+        * Constructs a sequence of instruction before @p before (the resulting
+        * nodes are already scheduled). A rewiring of users is not performed in
+        * this function.
+        * Returns a value representing the restored value.
+        */
+       ir_node *(*new_reload)(ir_node *value, ir_node *spilled_value,
+                              ir_node *before);
 };
 
 #define arch_env_done(env)                             ((env)->impl->done(env))
@@ -610,6 +631,9 @@ struct arch_isa_if_t {
 #define arch_env_mark_remat(env,node) \
        do { if ((env)->impl->mark_remat != NULL) (env)->impl->mark_remat((node)); } while(0)
 
+#define arch_env_new_spill(env,value,after)            ((env)->impl->new_spill(value, after))
+#define arch_env_new_reload(env,value,spilled,before)  ((env)->impl->new_reload(value, spilled, before))
+
 /**
  * ISA base class.
  */