* INVOKESPECIAL: use software null pointer, checking a register should be

  faster than accessing memory
* createnativestub: save floats with M_FST for native functions

diff --git a/src/vm/jit/alpha/codegen.c b/src/vm/jit/alpha/codegen.c
index a9f5647ef48b90441c0945c9f29fccc5302919e5..ec15cc4159f7741718565d6eeb30b1eb605abd6f 100644 (file)
--- a/src/vm/jit/alpha/codegen.c
+++ b/src/vm/jit/alpha/codegen.c
@@ -31,7 +31,7 @@
             Christian Thalinger
            Christian Ullrich
 
-   $Id: codegen.c 2860 2005-06-28 18:37:28Z twisti $
+   $Id: codegen.c 2910 2005-07-05 08:48:07Z twisti $
 
 */
 
@@ -3166,8 +3166,8 @@ gen_method:
                                break;
 
                        case ICMD_INVOKESPECIAL:
-                               gen_nullptr_check(rd->argintregs[0]);
-                               M_ILD(REG_ITMP1, rd->argintregs[0], 0); /* hardware nullptr   */
+                               M_BEQZ(rd->argintregs[0], 0);
+                               codegen_addxnullrefs(cd, mcodeptr);
                                /* fall through */
 
                        case ICMD_INVOKESTATIC:
@@ -4279,14 +4279,20 @@ functionptr createnativestub(functionptr f, methodinfo *m, codegendata *cd,
 
                                } else {
                                        s2 = nmd->params[j].regoff;
-                                       M_DST(s1, REG_SP, s2 * 8);
+                                       if (IS_2_WORD_TYPE(t))
+                                               M_DST(s1, REG_SP, s2 * 8);
+                                       else
+                                               M_FST(s1, REG_SP, s2 * 8);
                                }
 
                        } else {
                                s1 = md->params[i].regoff + stackframesize;
                                s2 = nmd->params[j].regoff;
                                M_DLD(REG_FTMP1, REG_SP, s1 * 8);
-                               M_DST(REG_FTMP1, REG_SP, s2 * 8);
+                               if (IS_2_WORD_TYPE(t))
+                                       M_DST(REG_FTMP1, REG_SP, s2 * 8);
+                               else
+                                       M_FST(REG_FTMP1, REG_SP, s2 * 8);
                        }
                }
        }