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diff src/share/vm/c1/c1_Compilation.hpp @ 17980:0bf37f737702

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8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9 Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points. Reviewed-by: twisti, kvn
author roland
date Tue, 01 Apr 2014 09:36:49 +0200
parents 849eb7bfceac
children 52b4284cb496
line wrap: on
line diff
--- a/src/share/vm/c1/c1_Compilation.hpp	Mon Jun 09 15:42:31 2014 -0700
+++ b/src/share/vm/c1/c1_Compilation.hpp	Tue Apr 01 09:36:49 2014 +0200
@@ -88,6 +88,7 @@
   CodeOffsets        _offsets;
   CodeBuffer         _code;
   bool               _has_access_indexed;
+  int                _interpreter_frame_size; // Stack space needed in case of a deoptimization
 
   // compilation helpers
   void initialize();
@@ -262,6 +263,18 @@
 
   // Dump inlining replay data to the stream.
   void dump_inline_data(outputStream* out) { /* do nothing now */ }
+
+  // How much stack space would the interpreter need in case of a
+  // deoptimization (worst case)
+  void update_interpreter_frame_size(int size) {
+    if (_interpreter_frame_size < size) {
+      _interpreter_frame_size = size;
+    }
+  }
+
+  int interpreter_frame_size() const {
+    return _interpreter_frame_size;
+  }
 };