* expr.c (JSR): Avoid undefined operation on PC.

From-SVN: r54987

* expr.c (JSR): Avoid undefined operation on PC.
From-SVN: r54987
b6532e57 · Andreas Schwab · Andreas Schwab · 97679694 · b6532e57 · b6532e57
Commit b6532e57 authored Jun 25, 2002 by Andreas Schwab Committed by Andreas Schwab Jun 25, 2002
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gcc/java/ChangeLog
+4 -0

gcc/java/expr.c
+5 -1

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--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
+2002-06-25  Andreas Schwab  <schwab@suse.de>
+
+	* expr.c (JSR): Avoid undefined operation on PC.
+
 2002-06-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

 	* decl.c (clear_binding_level): Const-ify.

--- a/gcc/java/expr.c
+++ b/gcc/java/expr.c
@@ -2946,7 +2946,11 @@ process_jvm_instruction (PC, byte_ops, length)
  }

 #define JSR(OPERAND_TYPE, OPERAND_VALUE) \
-  build_java_jsr (oldpc+OPERAND_VALUE, PC);
+  {						    \
+    /* OPERAND_VALUE may have side-effects on PC */ \
+    int opvalue = OPERAND_VALUE;		    \
+    build_java_jsr (oldpc + opvalue, PC);	    \
+  }

 /* Push a constant onto the stack. */
 #define PUSHC(OPERAND_TYPE, OPERAND_VALUE) \