From: Michael Snyder <msnyder@vmware.com>
Date: Fri, 18 Jul 2003 00:08:23 +0000 (+0000)
Subject: 2003-07-17  Michael Snyder  <msnyder@redhat.com>
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0f42aa719da7ba1e3fa6d093f3ea8cda2c25b3f9;p=deliverable%2Fbinutils-gdb.git

2003-07-17  Michael Snyder  <msnyder@redhat.com>

        * compile.c (decode): IMM16 is always zero-extended.
---

diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index 2112ad9268..77cb91260d 100644
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-17  Michael Snyder  <msnyder@redhat.com>
+
+	* compile.c (decode): IMM16 is always zero-extended.
+
 2003-06-24  Michael Snyder  <msnyder@redhat.com>
 
 	* sim-main.h (SIM_WIFSTOPPED, SIM_WSTOPSIG): Define.
diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c
index 7635655b3e..3819fdd692 100644
--- a/sim/h8300/compile.c
+++ b/sim/h8300/compile.c
@@ -818,7 +818,9 @@ decode (SIM_DESC sd, int addr, unsigned char *data, decoded_inst *dst)
 		       (looking_for & SIZE) == L_16U)
 		{
 		  cst[opnum] = (data[len / 2] << 8) + data[len / 2 + 1];
-		  if ((looking_for & SIZE) != L_16U)
+		  /* Immediates are always unsigned.  */
+		  if ((looking_for & SIZE) != L_16U &&
+		      (looking_for & MODE) != IMM)
 		    cst[opnum] = (short) cst[opnum];	/* Sign extend.  */
 		}
 	      else if (looking_for & ABSJMP)