start register allocator again, fix typo

[libfirm] / ir / be / beinsn.c

diff --git a/ir/be/beinsn.c b/ir/be/beinsn.c
index 4f93c5e..3abefbb 100644 (file)
--- a/ir/be/beinsn.c
+++ b/ir/be/beinsn.c
@@ -1,3 +1,6 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "irgraph_t.h"
 #include "irmode_t.h"
@@ -5,6 +8,7 @@
 
 #include "besched_t.h"
 #include "beinsn_t.h"
+#include "beabi.h"
 
 be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn)
 {
@@ -40,7 +44,6 @@ be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn)
 
                insn->next_insn = p;
        }
-
        else if(arch_irn_consider_in_reg_alloc(arch_env, env->cls, irn)) {
                arch_get_register_req(arch_env, &o.req, irn, -1);
                o.carrier = irn;
@@ -95,3 +98,13 @@ be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn)
 
        return insn;
 }
+
+be_insn_env_t *be_insn_env_init(be_insn_env_t *ie, const be_irg_t *birg, const arch_register_class_t *cls, struct obstack *obst)
+{
+       ie->aenv = birg->main_env->arch_env;
+       ie->cls  = cls;
+       ie->obst = obst;
+       ie->ignore_colors = bitset_obstack_alloc(obst, cls->n_regs);
+       be_abi_put_ignore_regs(birg->abi, cls, ie->ignore_colors);
+       return ie;
+}