-;;; -*- Package: ALPHA -*-
-;;;
-;;; **********************************************************************
-;;; This code was written as part of the CMU Common Lisp project at
-;;; Carnegie Mellon University, and has been placed in the public domain.
-;;;
+;;;; the VM definition of predicate VOPs for the Alpha
-;;;
-;;; **********************************************************************
-;;;
-;;; This file contains the VM definition of predicate VOPs for the Alpha.
-;;;
-;;; Written by Rob MacLachlan
-;;;
-;;; Converted by Sean Hallgren.
-;;;
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
(in-package "SB!VM")
-
-
\f
-;;;; The Branch VOP.
+;;;; the Branch VOP
-;;; The unconditional branch, emitted when we can't drop through to the desired
-;;; destination. Dest is the continuation we transfer control to.
-;;;
+;;; The unconditional branch, emitted when we can't drop through to
+;;; the desired destination. Dest is the continuation we transfer
+;;; control to.
(define-vop (branch)
(:info dest)
(:generator 5
(inst br zero-tn dest)))
-
\f
-;;;; Conditional VOPs:
+;;;; conditional VOPs
(define-vop (if-eq)
(:args (x :scs (any-reg descriptor-reg zero null))
- (y :scs (any-reg descriptor-reg zero null)))
+ (y :scs (any-reg descriptor-reg zero null)))
(:conditional)
(:temporary (:scs (non-descriptor-reg)) temp)
(:info target not-p)
(:generator 3
(inst cmpeq x y temp)
(if not-p
- (inst beq temp target)
- (inst bne temp target))))
+ (inst beq temp target)
+ (inst bne temp target))))