X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fparms.lisp;h=6095c53341aae7457d956849f6af9e79b10ab2c0;hb=a4c3562138e342465826de31fb8c324ae8a4b594;hp=2db49109e20a7bb1254816c0a509f668ba30c8ee;hpb=c5759c03562c984984e368c2ab85a21dceb719ab;p=sbcl.git

diff --git a/src/compiler/mips/parms.lisp b/src/compiler/mips/parms.lisp
index 2db4910..6095c53 100644
--- a/src/compiler/mips/parms.lisp
+++ b/src/compiler/mips/parms.lisp
@@ -1,16 +1,15 @@
 (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)
 
-(def!constant n-byte-bits 8
-  "Number of bits per byte where a byte is the smallest addressable object.")
+;;; 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 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)