clean up a bit

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 650e0c1..3e63b86 100644 (file)
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -229,13 +229,18 @@ int get_ia32_reg_nr(ir_node *irn, int pos, int in_out) {
        return arch_register_get_index(reg);
 }
 
+enum io_direction {
+  IN_REG,
+  OUT_REG
+};
+
 /**
  * Returns the name of the in register at position pos.
  */
-const char *get_ia32_reg_name(ir_node *irn, int pos, int in_out) {
+static const char *get_ia32_reg_name(ir_node *irn, int pos, enum io_direction in_out) {
        const arch_register_t *reg;
 
-       if (in_out == 1) {
+       if (in_out == IN_REG) {
                reg = get_in_reg(irn, pos);
        }
        else {
@@ -258,12 +263,7 @@ static int ia32_get_reg_name(lc_appendable_t *app,
        if (!X)
                return lc_arg_append(app, occ, "(null)", 6);
 
-       if (occ->conversion == 'S') {
-               buf = get_ia32_reg_name(X, nr, 1);
-       }
-       else { /* 'D' */
-               buf = get_ia32_reg_name(X, nr, 0);
-       }
+  buf = get_ia32_reg_name(X, nr, occ->conversion == 'S' ? IN_REG : OUT_REG);
 
        lc_appendable_chadd(app, '%');
        return lc_arg_append(app, occ, buf, strlen(buf));