From: cgd <cgd>
Date: Wed, 16 Apr 2003 00:52:08 +0000 (+0000)
Subject: 2003-04-15  Richard Sandiford  <rsandifo@redhat.com>
X-Git-Tag: cr-0x99~2339
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=2acf280d6168f2df7e93df05bb81c47fbad46bca;p=pf3gnuchains%2Fpf3gnuchains4x.git

2003-04-15  Richard Sandiford  <rsandifo@redhat.com>

        * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
        unsigned operands.
---

diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 76c676c6ed..1474f79829 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-15  Richard Sandiford  <rsandifo@redhat.com>
+
+	* vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
+	unsigned operands.
+
 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 
 	* interp.c (sim_open): 
diff --git a/sim/mips/vr.igen b/sim/mips/vr.igen
index 0eb5f4de2d..742a85d0ca 100644
--- a/sim/mips/vr.igen
+++ b/sim/mips/vr.igen
@@ -73,7 +73,9 @@
 		      (long) CIA);
 
   TRACE_ALU_INPUT2 (x, y);
-  product = (unsigned_p ? x * y : EXTEND32 (x) * EXTEND32 (y));
+  product = (unsigned_p
+	     ? V8_4 (x, 1) * V8_4 (y, 1)
+	     : EXTEND32 (x) * EXTEND32 (y));
   result = (subtract_p ? lhs - product : lhs + product);
   if (saturate_p)
     {