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diff src/share/vm/adlc/formssel.hpp @ 4120:f03a3c8bd5e5

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7077312: Provide a CALL effect for instruct declaration in the ad file Summary: abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers) Reviewed-by: twisti, never
author roland
date Wed, 14 Sep 2011 09:22:51 +0200
parents c7b60b601eb4
children 8c92982cbbc4
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--- a/src/share/vm/adlc/formssel.hpp	Mon Nov 21 00:57:43 2011 -0800
+++ b/src/share/vm/adlc/formssel.hpp	Wed Sep 14 09:22:51 2011 +0200
@@ -111,6 +111,8 @@
   ComponentList  _components;      // List of Components matches MachNode's
                                    // operand structure
 
+  bool           _has_call;        // contain a call and caller save registers should be saved?
+
   // Public Methods
   InstructForm(const char *id, bool ideal_only = false);
   InstructForm(const char *id, InstructForm *instr, MatchRule *rule);
@@ -895,7 +897,8 @@
     DEF     = 0x2, USE_DEF   = 0x3,
     KILL    = 0x4, USE_KILL  = 0x5,
     SYNTHETIC = 0x8,
-    TEMP = USE | SYNTHETIC
+    TEMP = USE | SYNTHETIC,
+    CALL = 0x10
   };
 };