sparc: implement float->unsigned conversions

[libfirm] / ir / be / TEMPLATE / TEMPLATE_emitter.c

diff --git a/ir/be/TEMPLATE/TEMPLATE_emitter.c b/ir/be/TEMPLATE/TEMPLATE_emitter.c
index a6ffd81..752d348 100644 (file)
--- a/ir/be/TEMPLATE/TEMPLATE_emitter.c
+++ b/ir/be/TEMPLATE/TEMPLATE_emitter.c
@@ -20,7 +20,6 @@
 /**
  * @file
  * @brief   emit assembler for a backend graph
- * @version $Id$
  */
 #include "config.h"
 
@@ -36,90 +35,40 @@
 #include "irargs_t.h"
 #include "irprog.h"
 
-#include "../besched.h"
-#include "../begnuas.h"
-#include "../beblocksched.h"
-#include "../benode.h"
+#include "besched.h"
+#include "begnuas.h"
+#include "beblocksched.h"
+#include "benode.h"
 
 #include "TEMPLATE_emitter.h"
 #include "gen_TEMPLATE_emitter.h"
+#include "gen_TEMPLATE_regalloc_if.h"
 #include "TEMPLATE_nodes_attr.h"
 #include "TEMPLATE_new_nodes.h"
 
 #define SNPRINTF_BUF_LEN 128
 
-/**
- * Returns the register at in position pos.
- */
-static const arch_register_t *get_in_reg(const ir_node *node, int pos)
-{
-       ir_node                *op;
-       const arch_register_t  *reg = NULL;
-
-       assert(get_irn_arity(node) > pos && "Invalid IN position");
-
-       /* The out register of the operator at position pos is the
-          in register we need. */
-       op = get_irn_n(node, pos);
-
-       reg = arch_get_irn_register(op);
-
-       assert(reg && "no in register found");
-       return reg;
-}
-
-/**
- * Returns the register at out position pos.
- */
-static const arch_register_t *get_out_reg(const ir_node *node, int pos)
-{
-       ir_node                *proj;
-       const arch_register_t  *reg = NULL;
-
-       /* 1st case: irn is not of mode_T, so it has only                 */
-       /*           one OUT register -> good                             */
-       /* 2nd case: irn is of mode_T -> collect all Projs and ask the    */
-       /*           Proj with the corresponding projnum for the register */
-
-       if (get_irn_mode(node) != mode_T) {
-               reg = arch_get_irn_register(node);
-       } else if (is_TEMPLATE_irn(node)) {
-               reg = arch_irn_get_register(node, pos);
-       } else {
-               const ir_edge_t *edge;
-
-               foreach_out_edge(node, edge) {
-                       proj = get_edge_src_irn(edge);
-                       assert(is_Proj(proj) && "non-Proj from mode_T node");
-                       if (get_Proj_proj(proj) == pos) {
-                               reg = arch_get_irn_register(proj);
-                               break;
-                       }
-               }
-       }
-
-       assert(reg && "no out register found");
-       return reg;
-}
-
-
-
 void TEMPLATE_emit_immediate(const ir_node *node)
 {
        const TEMPLATE_attr_t *attr = get_TEMPLATE_attr_const(node);
        be_emit_tarval(attr->value);
 }
 
-void TEMPLATE_emit_source_register(const ir_node *node, int pos)
+static void emit_register(const arch_register_t *reg)
 {
-       const arch_register_t *reg = get_in_reg(node, pos);
        be_emit_string(arch_register_get_name(reg));
 }
 
+void TEMPLATE_emit_source_register(const ir_node *node, int pos)
+{
+       const arch_register_t *reg = arch_get_irn_register_in(node, pos);
+       emit_register(reg);
+}
+
 void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
 {
-       const arch_register_t *reg = get_out_reg(node, pos);
-       be_emit_string(arch_register_get_name(reg));
+       const arch_register_t *reg = arch_get_irn_register_out(node, pos);
+       emit_register(reg);
 }
 
 /**
@@ -164,8 +113,42 @@ static void emit_be_IncSP(const ir_node *node)
        be_emit_finish_line_gas(node);
 }
 
+static void emit_be_Start(const ir_node *node)
+{
+       ir_graph *irg        = get_irn_irg(node);
+       ir_type  *frame_type = get_irg_frame_type(irg);
+       unsigned  size       = get_type_size_bytes(frame_type);
+
+       /* emit function prolog */
+
+       /* allocate stackframe */
+       if (size > 0) {
+               be_emit_cstring("\tsub ");
+               emit_register(&TEMPLATE_registers[REG_SP]);
+               be_emit_irprintf(", %u, ", size);
+               emit_register(&TEMPLATE_registers[REG_SP]);
+               be_emit_finish_line_gas(node);
+       }
+}
+
 static void emit_be_Return(const ir_node *node)
 {
+       ir_graph *irg        = get_irn_irg(node);
+       ir_type  *frame_type = get_irg_frame_type(irg);
+       unsigned  size       = get_type_size_bytes(frame_type);
+
+       /* emit function epilog here */
+
+       /* deallocate stackframe */
+       if (size > 0) {
+               be_emit_cstring("\tadd ");
+               emit_register(&TEMPLATE_registers[REG_SP]);
+               be_emit_irprintf(", %u, ", size);
+               emit_register(&TEMPLATE_registers[REG_SP]);
+               be_emit_finish_line_gas(node);
+       }
+
+       /* return */
        be_emit_cstring("\tret");
        be_emit_finish_line_gas(node);
 }
@@ -192,20 +175,20 @@ static inline void set_emitter(ir_op *op, emit_func func)
 static void TEMPLATE_register_emitters(void)
 {
        /* first clear the generic function pointer for all ops */
-       clear_irp_opcodes_generic_func();
+       ir_clear_opcodes_generic_func();
 
        /* register all emitter functions defined in spec */
        TEMPLATE_register_spec_emitters();
 
        /* custom emitters not provided by the spec */
        set_emitter(op_TEMPLATE_Jmp,   emit_TEMPLATE_Jmp);
-       set_emitter(op_be_Return,      emit_be_Return);
        set_emitter(op_be_IncSP,       emit_be_IncSP);
+       set_emitter(op_be_Return,      emit_be_Return);
+       set_emitter(op_be_Start,       emit_be_Start);
 
        /* no need to emit anything for the following nodes */
        set_emitter(op_Phi,            emit_nothing);
        set_emitter(op_be_Keep,        emit_nothing);
-       set_emitter(op_be_Start,       emit_nothing);
 }
 
 typedef void (*emit_func_ptr) (const ir_node *);