;;;; attributes for the PPC. This file is separate from other stuff so
;;;; that it can be compiled and loaded earlier.
+;;;; 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")
-(def!constant n-word-bits 32
- "Number of bits per word where a word holds one lisp descriptor.")
+;;; number of bits per word where a word holds one lisp descriptor
+(def!constant n-word-bits 32)
;;; the natural width of a machine word (as seen in e.g. register width,
;;; address space)
(def!constant n-machine-word-bits 32)
-(def!constant n-byte-bits 8
- "Number of bits per byte where a byte is the smallest addressable object.")
-
-(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits)))
- "Number of bits to shift between word addresses and byte addresses.")
-
-(def!constant n-word-bytes (/ n-word-bits n-byte-bits)
- "Number of bytes in a word.")
+;;; number of bits per byte where a byte is the smallest addressable
+;;; object
+(def!constant n-byte-bits 8)
(def!constant float-sign-shift 31)
(def!constant float-fast-bit 2) ; Non-IEEE mode
-
-;;; NUMBER-STACK-DISPLACEMENT
-;;;
-;;; The number of bytes reserved above the number stack pointer. These
-;;; slots are required by architecture, mostly (?) to make C backtrace
-;;; work. This must be a power of 2 - see BYTES-REQUIRED-FOR-NUMBER-STACK.
-;;;
-(def!constant number-stack-displacement
- (* #!-darwin 2
- #!+darwin 8
- sb!vm:n-word-bytes))
-
\f
-
-
;;; Where to put the different spaces.
-;;;
(def!constant read-only-space-start #x01000000)
(def!constant read-only-space-end #x04ff8000)
sb!kernel:two-arg-and
sb!kernel:two-arg-ior
sb!kernel:two-arg-xor
+ sb!kernel:two-arg-eqv
sb!kernel:two-arg-gcd
sb!kernel:two-arg-lcm))