8133557: Missing test before a branch when checking for MethodCounters in TemplateTable::branch() on x86

Reviewed-by: kvn, coleenp
2015-08-14 15:08:55 -04:00 · 2015-08-14 15:08:55 -04:00 · b42d8f80f5
commit b42d8f80f5
parent 2fdc0d3f21
1 changed files with 1 additions and 0 deletions
--- a/hotspot/src/cpu/x86/vm/templateTable_x86.cpp
+++ b/hotspot/src/cpu/x86/vm/templateTable_x86.cpp
@ -2014,6 +2014,7 @@ void TemplateTable::branch(bool is_jsr, bool is_wide) {
    __ pop(rcx);
    __ pop(rdx);
    __ movptr(rax, Address(rcx, Method::method_counters_offset()));
+    __ testptr(rax, rax);
    __ jcc(Assembler::zero, dispatch);
    __ bind(has_counters);