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Richard M Kreuter
cmucl-copy
Commits
dd93cb0b
Commit
dd93cb0b
authored
19 years ago
by
rtoy
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There are 106 bits in a double-double, not 105.
parent
e19ac0f5
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Tags
double-double-init-checkpoint-1
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Changes
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3 changed files
compiler/ppc/parms.lisp
+2
-4
2 additions, 4 deletions
compiler/ppc/parms.lisp
compiler/sparc/parms.lisp
+2
-4
2 additions, 4 deletions
compiler/sparc/parms.lisp
compiler/x86/parms.lisp
+2
-4
2 additions, 4 deletions
compiler/x86/parms.lisp
with
6 additions
and
12 deletions
compiler/ppc/parms.lisp
+
2
−
4
View file @
dd93cb0b
...
...
@@ -7,7 +7,7 @@
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/ppc/parms.lisp,v 1.11.2.
1
2006/06/1
0 00:24:37
rtoy Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/ppc/parms.lisp,v 1.11.2.
2
2006/06/1
3 16:44:21
rtoy Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -105,11 +105,9 @@
(
defconstant
double-float-digits
(
+
(
byte-size
double-float-significand-byte
)
word-bits
1
))
;; What is the right value for double-double floats? I (rtoy)
;; subtract 1 because the hidden bit in the low float doesn't count.
#+
double-double
(
defconstant
double-double-float-digits
(
+
double-float-digits
(
-
double-float-digits
1
)
))
(
*
2
double-float-digits
))
(
defconstant
float-inexact-trap-bit
(
ash
1
0
))
(
defconstant
float-divide-by-zero-trap-bit
(
ash
1
1
))
...
...
This diff is collapsed.
Click to expand it.
compiler/sparc/parms.lisp
+
2
−
4
View file @
dd93cb0b
...
...
@@ -5,7 +5,7 @@
;;; Carnegie Mellon University, and has been placed in the public domain.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/parms.lisp,v 1.50.12.
1
2006/06/
09
16:
05:1
8 rtoy Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/parms.lisp,v 1.50.12.
2
2006/06/
13
16:
43:0
8 rtoy Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -151,11 +151,9 @@
(
defconstant
long-float-digits
(
+
(
byte-size
long-float-significand-byte
)
word-bits
1
))
;; What is the right value for double-double floats? I (rtoy)
;; subtract 1 because the hidden bit in the low float doesn't count.
#+
double-double
(
defconstant
double-double-float-digits
(
1-
(
*
2
double-float-digits
))
)
(
*
2
double-float-digits
))
(
defconstant
float-inexact-trap-bit
(
ash
1
0
))
(
defconstant
float-divide-by-zero-trap-bit
(
ash
1
1
))
...
...
This diff is collapsed.
Click to expand it.
compiler/x86/parms.lisp
+
2
−
4
View file @
dd93cb0b
...
...
@@ -7,7 +7,7 @@
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/x86/parms.lisp,v 1.28.8.
1
2006/06/1
0 03:29:19
rtoy Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/x86/parms.lisp,v 1.28.8.
2
2006/06/1
3 16:44:21
rtoy Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -145,11 +145,9 @@
(
defconstant
long-float-digits
(
+
(
byte-size
long-float-significand-byte
)
word-bits
1
))
;; What is the right value for double-double floats? I (rtoy)
;; subtract 1 because the hidden bit in the low float doesn't count.
#+
double-double
(
defconstant
double-double-float-digits
(
1-
(
*
2
double-float-digits
))
)
(
*
2
double-float-digits
))
;;; pfw -- from i486 microprocessor programmers reference manual
(
defconstant
float-invalid-trap-bit
(
ash
1
0
))
...
...
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