unify sparc/ia32 SwitchJmp handling

[libfirm] / ir / be / sparc / sparc_emitter.c

diff --git a/ir/be/sparc/sparc_emitter.c b/ir/be/sparc/sparc_emitter.c
index d9734a6..499ea5a 100644 (file)
--- a/ir/be/sparc/sparc_emitter.c
+++ b/ir/be/sparc/sparc_emitter.c
@@ -845,78 +845,17 @@ static void emit_sparc_Ba(const ir_node *node)
        be_emit_finish_line_gas(node);
 }
 
-static void emit_jump_table(const ir_node *node)
+static void emit_sparc_SwitchJmp(const ir_node *node)
 {
        const sparc_switch_jmp_attr_t *attr = get_sparc_switch_jmp_attr_const(node);
-       long             switch_max    = LONG_MIN;
-       long             default_pn    = attr->default_proj_num;
-       ir_entity       *entity        = attr->jump_table;
-       ir_node         *default_block = NULL;
-       unsigned long    length;
-       const ir_edge_t *edge;
-       unsigned         i;
-       ir_node        **table;
-
-       /* go over all proj's and collect them */
-       foreach_out_edge(node, edge) {
-               ir_node *proj = get_edge_src_irn(edge);
-               long     pn   = get_Proj_proj(proj);
-
-               /* check for default proj */
-               if (pn == default_pn) {
-                       assert(default_block == NULL); /* more than 1 default_pn? */
-                       default_block = get_jump_target(proj);
-               } else {
-                       switch_max = pn > switch_max ? pn : switch_max;
-               }
-       }
-       assert(switch_max > LONG_MIN);
-
-       length = (unsigned long) switch_max + 1;
-       /* the 16000 isn't a real limit of the architecture. But should protect us
-        * from seamingly endless compiler runs */
-       if (length > 16000) {
-               /* switch lowerer should have broken this monster to pieces... */
-               panic("too large switch encountered");
-       }
-
-       table = XMALLOCNZ(ir_node*, length);
-       foreach_out_edge(node, edge) {
-               ir_node *proj = get_edge_src_irn(edge);
-               long     pn   = get_Proj_proj(proj);
-               if (pn == default_pn)
-                       continue;
-
-               table[pn] = get_jump_target(proj);
-       }
-
-       /* emit table */
-       be_gas_emit_switch_section(GAS_SECTION_RODATA);
-       be_emit_cstring("\t.align 4\n");
-       be_gas_emit_entity(entity);
-       be_emit_cstring(":\n");
-       for (i = 0; i < length; ++i) {
-               ir_node *block = table[i];
-               if (block == NULL)
-                       block = default_block;
-               be_emit_cstring("\t.long ");
-               be_gas_emit_block_name(block);
-               be_emit_char('\n');
-               be_emit_write_line();
-       }
-       be_gas_emit_switch_section(GAS_SECTION_TEXT);
-
-       xfree(table);
-}
 
-static void emit_sparc_SwitchJmp(const ir_node *node)
-{
        be_emit_cstring("\tjmp ");
        sparc_emit_source_register(node, 0);
        be_emit_finish_line_gas(node);
        fill_delay_slot();
 
-       emit_jump_table(node);
+       emit_jump_table(node, attr->default_proj_num, attr->jump_table,
+                       get_jump_target);
 }
 
 static void emit_fmov(const ir_node *node, const arch_register_t *src_reg,