From: Andreas Schwab <schwab@suse.de>
Date: Tue, 25 Jun 2002 13:26:04 +0000 (+0000)
Subject: * expr.c (JSR): Avoid undefined operation on PC.
X-Git-Tag: releases/gcc-3.1.1~102
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=903c4b4bede48e711fad8874326e1d5b2e92d0d8;p=thirdparty%2Fgcc.git

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

From-SVN: r54986
---

diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 5b8edc088fdb..0e53dc73c3c8 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,7 @@
+2002-06-25  Andreas Schwab  <schwab@suse.de>
+
+	* expr.c (JSR): Avoid undefined operation on PC.
+
 2002-06-10  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
 
 	Don't use RTL inlining. Fix for PR java/6820.
diff --git a/gcc/java/expr.c b/gcc/java/expr.c
index e62c51bfc78f..d38571af00ce 100644
--- a/gcc/java/expr.c
+++ b/gcc/java/expr.c
@@ -2981,7 +2981,11 @@ 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) \