Mercurial > illumos > illumos-gate

changeset 3398:6253059e76ed

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6494657 FP emulator has to handle the fact that quad fp ops may generate illegal_instruction traps
author svemuri
date Wed, 10 Jan 2007 09:54:56 -0800
parents d2f9d3ec4f8a
children 24dcc5339d8a
files usr/src/uts/sparc/v9/os/simulator.c
diffstat 1 files changed, 7 insertions(+), 5 deletions(-) [+]
line wrap: on
line diff
--- a/usr/src/uts/sparc/v9/os/simulator.c	Wed Jan 10 08:25:37 2007 -0800
+++ b/usr/src/uts/sparc/v9/os/simulator.c	Wed Jan 10 09:54:56 2007 -0800
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -57,6 +56,8 @@
 
 #define	IS_IBIT_SET(x)	(x & 0x2000)
 #define	IS_VIS1(op, op3)(op == 2 && op3 == 0x36)
+#define	IS_FLOAT_QUAD_OP(op, op3)(op == 2 && (op3 == 0x34 ||	\
+		op3 == 0x35))
 #define	IS_PARTIAL_OR_SHORT_FLOAT_LD_ST(op, op3, asi)		\
 		(op == 3 && (op3 == IOP_V8_LDDFA ||		\
 		op3 == IOP_V8_STDFA) &&	asi > ASI_SNFL)
@@ -812,7 +813,8 @@
 	}
 
 	if (IS_VIS1(optype, op3) ||
-	    IS_PARTIAL_OR_SHORT_FLOAT_LD_ST(optype, op3, asi)) {
+	    IS_PARTIAL_OR_SHORT_FLOAT_LD_ST(optype, op3, asi) ||
+	    IS_FLOAT_QUAD_OP(optype, op3)) {
 		klwp_t *lwp = ttolwp(curthread);
 		kfpu_t *fp = lwptofpu(lwp);
 		if (fpu_exists) {