mjit_compile.c: original_body_iseq

* mjit_compile.c (mjit_compile): name the original iseq pointer to
  eliminate magic numbers.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62340 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

mjit_compile.c

@@ -142,6 +142,8 @@ mjit_compile(FILE *f, const struct rb_iseq_constant_body *body, const char *func
 #endif
     fprintf(f, "VALUE\n%s(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp)\n{\n", funcname);
     fprintf(f, "    VALUE *stack = reg_cfp->sp;\n");
+    fprintf(f, "    static const VALUE *const original_body_iseq = (VALUE *)%p;\n",
+            body->iseq_encoded);
 
     /* Simulate `opt_pc` in setup_parameters_complex */
     if (body->param.flags.has_opt) {
@@ -157,7 +159,7 @@ mjit_compile(FILE *f, const struct rb_iseq_constant_body *body, const char *func
     }
 
     /* ISeq might be used for catch table too. For that usage, this code cancels JIT execution. */
-    fprintf(f, "    if (reg_cfp->pc != 0x%"PRIxVALUE") {\n", (VALUE)body->iseq_encoded);
+    fprintf(f, "    if (reg_cfp->pc != original_body_iseq) {\n");
     fprintf(f, "        return Qundef;\n");
     fprintf(f, "    }\n");
 

tool/ruby_vm/views/_mjit_compile_insn.erb

@@ -50,10 +50,10 @@
 %
 % # JIT: move sp and pc if necessary
 % if insn.handles_frame?
-        fprintf(f, "    reg_cfp->pc = (VALUE *)0x%"PRIxVALUE";\n", (VALUE)(body->iseq_encoded + next_pos)); /* ADD_PC(INSN_ATTR(width)); */
+        fprintf(f, "    reg_cfp->pc = original_body_iseq + %d;\n", next_pos); /* ADD_PC(INSN_ATTR(width)); */
         fprintf(f, "    reg_cfp->sp = reg_cfp->bp + %d;\n", b->stack_size + 1 - <%= insn.pops.size %>); /* POPN(INSN_ATTR(popn)); */
 % else
-        fprintf(f, "    reg_cfp->pc = (VALUE *)0x%"PRIxVALUE";\n", (VALUE)(body->iseq_encoded + pos));
+        fprintf(f, "    reg_cfp->pc = original_body_iseq + %d;\n", pos);
         fprintf(f, "    reg_cfp->sp = reg_cfp->bp + %d;\n", b->stack_size + 1);
 % end
 %

tool/ruby_vm/views/_mjit_compile_send.erb

@@ -23,12 +23,12 @@
             int param_size = iseq->body->param.size; /* TODO: check calling->argc for argument_arity_error */
 
 % # JIT: move sp and pc if necessary
-            fprintf(f, "    reg_cfp->pc = (VALUE *)0x%"PRIxVALUE";\n", (VALUE)(body->iseq_encoded + next_pos)); /* ADD_PC(INSN_ATTR(width)); */
+            fprintf(f, "    reg_cfp->pc = original_body_iseq + %d;\n", next_pos); /* ADD_PC(INSN_ATTR(width)); */
             fprintf(f, "    reg_cfp->sp = reg_cfp->bp + %d;\n", b->stack_size + 1 - <%= insn.pops.size %>); /* POPN(INSN_ATTR(popn)); */
 
 % # JIT: Invalidate call cache if it requires vm_search_method. This allows to inline some of following things.
             fprintf(f, "    if (UNLIKELY(GET_GLOBAL_METHOD_STATE() != %llu || RCLASS_SERIAL(CLASS_OF(stack[%d])) != %llu)) {\n", cc->method_state, b->stack_size - 1 - argc, cc->class_serial);
-            fprintf(f, "        reg_cfp->pc = (VALUE *)0x%"PRIxVALUE";\n", (VALUE)(body->iseq_encoded + pos));
+            fprintf(f, "        reg_cfp->pc = original_body_iseq + %d;\n", pos);
             fprintf(f, "        return Qundef; /* cancel JIT */\n");
             fprintf(f, "    }\n");