From: Tom Tromey <tromey@redhat.com>
Date: Mon, 17 Jan 2005 19:29:04 +0000 (+0000)
Subject: verify-impl.c (get_short): Sign extend.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6db1446e54128140023bbc0b888fc1e4a28fa36b;p=gcc.git

verify-impl.c (get_short): Sign extend.

	* verify-impl.c (get_short): Sign extend.
	(get_int): Likewise.

From-SVN: r93772
---

diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 4e593ffe913..23ebb806428 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-17  Tom Tromey  <tromey@redhat.com>
+
+	* verify-impl.c (get_short): Sign extend.
+	(get_int): Likewise.
+
 2005-01-12  Ranjit Mathew  <rmathew@hotmail.com>
 
 	* expr.c (build_jni_stub): Replace mistaken use of TYPE_SIZE_UNIT
diff --git a/gcc/java/verify-impl.c b/gcc/java/verify-impl.c
index f48797892b2..ee8f426e5a3 100644
--- a/gcc/java/verify-impl.c
+++ b/gcc/java/verify-impl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2004  Free Software Foundation
+/* Copyright (C) 2001, 2002, 2003, 2004, 2005  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -1439,7 +1439,7 @@ get_ushort (void)
 static jint
 get_short (void)
 {
-  jint b1 = get_byte ();
+  signed char b1 = (signed char) get_byte ();
   jint b2 = get_byte ();
   jshort s = (b1 << 8) | b2;
   return (jint) s;
@@ -1452,7 +1452,10 @@ get_int (void)
   jint b2 = get_byte ();
   jint b3 = get_byte ();
   jint b4 = get_byte ();
-  return (b1 << 24) | (b2 << 16) | (b3 << 8) | b4;
+  jword result = (b1 << 24) | (b2 << 16) | (b3 << 8) | b4;
+  /* In the compiler, 'jint' might have more than 32 bits, so we must
+     sign extend.  */
+  return WORD_TO_INT (result);
 }
 
 static int