8262726: AArch64: C1 StubAssembler::call_RT can corrupt stack

Reviewed-by: aph
openjdk · Mar 2, 2021 · be67aaa · be67aaa · openjdk-notifier · Mar 2, 2021
1 parent 0f6122b
commit be67aaa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp b/src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp
@@ -147,7 +147,7 @@ int StubAssembler::call_RT(Register oop_result1, Register metadata_result, addre
   if (arg1 == c_rarg2 || arg1 == c_rarg3 ||
       arg2 == c_rarg1 || arg2 == c_rarg3 ||
       arg3 == c_rarg1 || arg3 == c_rarg2) {
-    stp(arg3, arg2, Address(pre(sp, 2 * wordSize)));
+    stp(arg3, arg2, Address(pre(sp, -2 * wordSize)));
     stp(arg1, zr, Address(pre(sp, -2 * wordSize)));
     ldp(c_rarg1, zr, Address(post(sp, 2 * wordSize)));
     ldp(c_rarg3, c_rarg2, Address(post(sp, 2 * wordSize)));