- New callback to ask nodes about constant stack pointer adjustment

[libfirm] / ir / be / mips / mips_emitter.c

diff --git a/ir/be/mips/mips_emitter.c b/ir/be/mips/mips_emitter.c
index 552c9dc..23b93d5 100644 (file)
--- a/ir/be/mips/mips_emitter.c
+++ b/ir/be/mips/mips_emitter.c
@@ -332,18 +332,6 @@ static char *get_unique_label(char *buf, size_t buflen, const char *prefix)
        return buf;
 }
 
-
-/**
- * Returns the target label for a control flow node.
- */
-static char *get_cfop_target(const ir_node *irn, char *buf)
-{
-       ir_node *bl = get_irn_link(irn);
-
-       snprintf(buf, SNPRINTF_BUF_LEN, "BLOCK_%ld", get_irn_node_nr(bl));
-       return buf;
-}
-
 /************************************************************************/
 /* ABI Handling                                                         */
 /************************************************************************/
@@ -353,11 +341,10 @@ static void mips_emit_IncSP(const ir_node *node, mips_emit_env_t *env)
        FILE *F      = env->out;
        int   offset = be_get_IncSP_offset(node);
 
-       if(offset == 0)
+       if(offset == 0) {
+               fprintf(F, "\t\t\t\t # omitted IncSP with 0\n");
                return;
-
-       if(be_get_IncSP_direction(node) != be_stack_dir_expand)
-               offset = -offset;
+       }
 
        fprintf(F, "\taddi $sp, $sp, %d\n", -offset);
 }
@@ -388,7 +375,7 @@ static void mips_emit_Perm(const ir_node *node, mips_emit_env_t *env)
 {
        FILE *F = env->out;
 
-       assert(/*get_irn_n_outs(node) == 2 &&*/ get_irn_arity(node) == 2);
+       assert(get_irn_arity(node) == 2);
 
        lc_efprintf(mips_get_arg_env(), F, "\txor %1S, %1S, %2S\t\t\t# perm\n", node, node, node);
        mips_emit_nops(F, 3);
@@ -401,7 +388,7 @@ static void mips_emit_Perm(const ir_node *node, mips_emit_env_t *env)
 static void mips_emit_Spill(const ir_node* node, mips_emit_env_t *env)
 {
        FILE   *F   = env->out;
-       entity *ent = be_get_spill_entity(node);
+       entity *ent = be_get_frame_entity(node);
 
        lc_efprintf(mips_get_arg_env(), F, "\tsw %1S, %d($fp)\n", node, get_entity_offset_bytes(ent));
 }
@@ -409,7 +396,7 @@ static void mips_emit_Spill(const ir_node* node, mips_emit_env_t *env)
 static void mips_emit_Reload(const ir_node* node, mips_emit_env_t *env)
 {
        FILE   *F   = env->out;
-       entity *ent = be_get_spill_entity(node);
+       entity *ent = be_get_frame_entity(node);
 
        lc_efprintf(mips_get_arg_env(), F, "\tlw %1D, %d($fp)\n", node, get_entity_offset_bytes(ent));
 }
@@ -642,6 +629,7 @@ void mips_register_emitters(void)
        op_be_RegParams->ops.generic = (op_func) mips_emit_nothing;
        op_be_Spill->ops.generic = (op_func) mips_emit_Spill;
        op_be_Reload->ops.generic = (op_func) mips_emit_Reload;
+       op_be_Perm->ops.generic = (op_func) mips_emit_Perm;
 
        op_Start->ops.generic = (op_func) mips_emit_nothing;
        op_Proj->ops.generic = (op_func) mips_emit_nothing;