diff --git a/code/irrat.lisp b/code/irrat.lisp
index da834b0628ff90310f45de49b3da958acd0537e2..7cfe94c92d2eb636f349c0df0f0bb0009b519901 100644
--- a/code/irrat.lisp
+++ b/code/irrat.lisp
@@ -5,7 +5,7 @@
 ;;; Carnegie Mellon University, and has been placed in the public domain.
 ;;;
 (ext:file-comment
-  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/irrat.lisp,v 1.29 1999/06/23 14:05:17 dtc Exp $")
+  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/code/irrat.lisp,v 1.30 1999/11/19 14:55:53 dtc Exp $")
 ;;;
 ;;; **********************************************************************
 ;;;
@@ -75,7 +75,7 @@
 #-x86 (def-math-rtn "log" 1)
 #-x86 (def-math-rtn "log10" 1)
 (def-math-rtn "pow" 2)
-#-(or x86 sparc-v7) (def-math-rtn "sqrt" 1)
+#-(or x86 sparc-v7 sparc-v8 sparc-v9) (def-math-rtn "sqrt" 1)
 (def-math-rtn "hypot" 2)
 #-(or hpux x86) (def-math-rtn "log1p" 1)
 
diff --git a/compiler/sparc/float.lisp b/compiler/sparc/float.lisp
index d07d70b9e49224c7d576049b5d1e14dab6b1f6ed..97243cf43a77b3917580afca5dbb218101dfdf58 100644
--- a/compiler/sparc/float.lisp
+++ b/compiler/sparc/float.lisp
@@ -5,7 +5,7 @@
 ;;; Carnegie Mellon University, and has been placed in the public domain.
 ;;;
 (ext:file-comment
-  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/float.lisp,v 1.25 1999/11/18 14:25:39 dtc Exp $")
+  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/float.lisp,v 1.26 1999/11/19 14:55:47 dtc Exp $")
 ;;;
 ;;; **********************************************************************
 ;;;
@@ -1272,7 +1272,9 @@
   (:results (y :scs (double-reg)))
   (:translate %sqrt)
   (:policy :fast-safe)
-  (:guard (backend-featurep :sparc-v7))
+  (:guard (or (backend-featurep :sparc-v7)
+	      (backend-featurep :sparc-v8)
+	      (backend-featurep :sparc-v9)))
   (:arg-types double-float)
   (:result-types double-float)
   (:note "inline float arithmetic")