Skip to content
GitLab
Explore
Sign in
Register
Primary navigation
Search or go to…
Project
cmucl
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Build
Pipelines
Jobs
Pipeline schedules
Artifacts
Deploy
Releases
Package registry
Model registry
Operate
Environments
Terraform modules
Monitor
Incidents
Service Desk
Analyze
Value stream analytics
Contributor analytics
CI/CD analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Terms and privacy
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
Carl Shapiro
cmucl
Commits
d10fbdc6
Commit
d10fbdc6
authored
34 years ago
by
wlott
Browse files
Options
Downloads
Patches
Plain Diff
Added support for generating trace-tables.
parent
1a0e5e70
No related branches found
No related tags found
No related merge requests found
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
compiler/codegen.lisp
+66
-16
66 additions, 16 deletions
compiler/codegen.lisp
with
66 additions
and
16 deletions
compiler/codegen.lisp
+
66
−
16
View file @
d10fbdc6
...
...
@@ -7,7 +7,7 @@
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/codegen.lisp,v 1.1
3
1991/0
2
/2
6 22
:0
5
:2
7 ram
Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/codegen.lisp,v 1.1
4
1991/0
3
/2
0 03
:0
0
:2
5 wlott
Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -21,7 +21,8 @@
(
in-package
'c
)
(
export
'
(
component-header-length
sb-allocated-size
current-nfp-tn
callee-nfp-tn
callee-return-pc-tn
*code-segment*
*elsewhere*
))
callee-nfp-tn
callee-return-pc-tn
*code-segment*
*elsewhere*
trace-table-entry
pack-trace-table
))
;;;; Utilities used during code generation.
...
...
@@ -75,6 +76,7 @@
;;;; Generate-code and support routines.
(
defvar
*trace-table-info*
)
(
defvar
*code-segment*
nil
)
(
defvar
*elsewhere*
nil
)
...
...
@@ -92,7 +94,8 @@
;;; Generate-Code -- Interface
;;;
(
defun
generate-code
(
component
)
(
let
((
prev-env
nil
))
(
let
((
prev-env
nil
)
(
*trace-table-info*
nil
))
(
do-ir2-blocks
(
block
component
)
(
let
((
1block
(
ir2-block-block
block
)))
(
when
(
and
(
eq
(
block-info
1block
)
block
)
...
...
@@ -113,23 +116,70 @@
(
if
gen
(
funcall
gen
vop
)
(
format
t
"Missing generator for ~S.~%"
(
template-name
(
vop-info
vop
)))))))
)
(
assemble
(
*code-segment*
nil
)
(
insert-segment
*elsewhere*
))
(
expand-pseudo-instructions
*code-segment*
)
(
when
(
and
(
policy
(
lambda-bind
(
block-home-lambda
(
block-next
(
component-head
component
))))
(
or
(
>=
speed
cspeed
)
(
>=
space
cspeed
)))
*assembly-optimize*
)
(
optimize-segment
*code-segment*
))
(
finalize-segment
*code-segment*
))
(
template-name
(
vop-info
vop
)))))))
(
assemble
(
*code-segment*
nil
)
(
insert-segment
*elsewhere*
))
(
expand-pseudo-instructions
*code-segment*
)
(
when
(
and
(
policy
(
lambda-bind
(
block-home-lambda
(
block-next
(
component-head
component
))))
(
or
(
>=
speed
cspeed
)
(
>=
space
cspeed
)))
*assembly-optimize*
)
(
optimize-segment
*code-segment*
))
(
let
((
length
(
finalize-segment
*code-segment*
))
)
(
values
length
(
nreverse
*trace-table-info*
)))))
(
defun
emit-label-elsewhere
(
label
)
(
assemble
(
*elsewhere*
nil
)
(
emit-label
label
)))
(
defun
label-elsewhere-p
(
label
)
(
<=
(
label-position
*elsewhere*
)
(
label-position
label
)))
(
defun
trace-table-entry
(
state
)
(
let
((
label
(
gen-label
)))
(
emit-label
label
)
(
push
(
cons
label
state
)
*trace-table-info*
))
(
undefined-value
))
;;; COMPUTE-TRACE-TABLE -- interface.
;;;
;;; Convert the list of (label . state) entries into an ivector.
;;;
(
eval-when
(
compile
load
eval
)
(
defconstant
bits-per-state
3
)
(
defconstant
bits-per-entry
16
)
(
defconstant
bits-per-offset
(
-
bits-per-entry
bits-per-state
))
(
defconstant
max-offset
(
ash
1
bits-per-offset
)))
;;;
(
defun
pack-trace-table
(
table
)
(
declare
(
list
table
))
(
let
((
last-posn
0
)
(
last-state
0
)
(
result
(
make-array
(
length
table
)
:element-type
'
(
unsigned-byte
#.
bits-per-entry
)))
(
index
0
))
(
dolist
(
entry
table
)
(
let*
((
posn
(
label-position
(
car
entry
)))
(
state
(
cdr
entry
)))
(
flet
((
push-entry
(
offset
state
)
(
when
(
>=
index
(
length
result
))
(
setf
result
(
replace
(
make-array
(
truncate
(
*
(
length
result
)
5
)
4
)
:element-type
'
(
unsigned-byte
#.
bits-per-entry
))
result
)))
(
setf
(
aref
result
index
)
(
logior
(
ash
offset
bits-per-state
)
state
))
(
incf
index
)))
(
do
((
offset
(
-
posn
last-posn
)
(
-
offset
max-offset
)))
((
<
offset
max-offset
)
(
push-entry
offset
state
))
(
push-entry
0
last-state
)))
(
setf
last-posn
posn
)
(
setf
last-state
state
)))
(
if
(
eql
(
length
result
)
index
)
result
(
subseq
result
0
index
))))
This diff is collapsed.
Click to expand it.
Preview
0%
Loading
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Save comment
Cancel
Please
register
or
sign in
to comment