7123253: C1: in store check code, usage of registers may be incorrect
Summary: fix usage of input register in assembly code for store check.
Reviewed-by: never
--- a/hotspot/src/share/vm/c1/c1_LIR.cpp Thu Dec 22 10:55:53 2011 +0100
+++ b/hotspot/src/share/vm/c1/c1_LIR.cpp Fri Dec 23 09:36:23 2011 +0100
@@ -854,6 +854,9 @@
if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
+ if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
+ do_temp(opTypeCheck->_object);
+ }
if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);