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[Guile-commits] 10/16: Add cache-ref, cache-set! macro-instructions
From: |
Andy Wingo |
Subject: |
[Guile-commits] 10/16: Add cache-ref, cache-set! macro-instructions |
Date: |
Mon, 14 May 2018 10:48:36 -0400 (EDT) |
wingo pushed a commit to branch master
in repository guile.
commit f6de1b062041dd61a79157e48eb5376e85b42484
Author: Andy Wingo <address@hidden>
Date: Mon May 14 11:13:58 2018 +0200
Add cache-ref, cache-set! macro-instructions
* module/system/vm/assembler.scm (<cache-cell>): Remove "scope" member.
Just be an opaque key comparable with equal?.
(intern-cache-cell): Remove scope arg.
(intern-module-cache-cell): Remove; callers use intern-cache-cell now.
(cache-current-module!, cached-toplevel-box, cached-module-box): Create
cache keys that by construction won't collide between types.
(cache-ref, cache-set!): Add new macro assemblers.
* module/language/cps/reify-primitives.scm:
* module/language/cps/compile-bytecode.scm: Add cases for new macro
instructions.
---
module/language/cps/compile-bytecode.scm | 4 ++++
module/language/cps/reify-primitives.scm | 3 ++-
module/system/vm/assembler.scm | 29 ++++++++++++++++-------------
3 files changed, 22 insertions(+), 14 deletions(-)
diff --git a/module/language/cps/compile-bytecode.scm
b/module/language/cps/compile-bytecode.scm
index 426942c..fdf9953 100644
--- a/module/language/cps/compile-bytecode.scm
+++ b/module/language/cps/compile-bytecode.scm
@@ -175,6 +175,8 @@
(($ $primcall 'tail-pointer-ref/immediate (annotation . idx) (obj))
(emit-tail-pointer-ref/immediate asm (from-sp dst) (from-sp (slot
obj))
idx))
+ (($ $primcall 'cache-ref key ())
+ (emit-cache-ref asm (from-sp dst) key))
(($ $primcall 'resolve-module public? (name))
(emit-resolve-module asm (from-sp dst) (from-sp (slot name)) public?))
(($ $primcall 'lookup #f (mod name))
@@ -285,6 +287,8 @@
(($ $values ()) #f)
(($ $primcall 'cache-current-module! (scope) (mod))
(emit-cache-current-module! asm (from-sp (slot mod)) scope))
+ (($ $primcall 'cache-set! key (val))
+ (emit-cache-set! asm key (from-sp (slot val))))
(($ $primcall 'scm-set! annotation (obj idx val))
(emit-scm-set! asm (from-sp (slot obj)) (from-sp (slot idx))
(from-sp (slot val))))
diff --git a/module/language/cps/reify-primitives.scm
b/module/language/cps/reify-primitives.scm
index eec757b..0426ccd 100644
--- a/module/language/cps/reify-primitives.scm
+++ b/module/language/cps/reify-primitives.scm
@@ -239,7 +239,8 @@
wind unwind
push-fluid pop-fluid fluid-ref fluid-set!
push-dynamic-state pop-dynamic-state
- lsh rsh lsh/immediate rsh/immediate))
+ lsh rsh lsh/immediate rsh/immediate
+ cache-ref cache-set!))
(let ((table (make-hash-table)))
(for-each
(match-lambda ((inst . _) (hashq-set! table inst #t)))
diff --git a/module/system/vm/assembler.scm b/module/system/vm/assembler.scm
index 56644fd..4c4eec4 100644
--- a/module/system/vm/assembler.scm
+++ b/module/system/vm/assembler.scm
@@ -227,6 +227,9 @@
emit-resolve-module
emit-lookup
+ emit-cache-ref
+ emit-cache-set!
+
emit-call
emit-call-label
emit-tail-call
@@ -1121,9 +1124,8 @@ immediate, and @code{#f} otherwise."
(element-size uniform-vector-backing-store-element-size))
(define-record-type <cache-cell>
- (make-cache-cell scope key)
+ (make-cache-cell key)
cache-cell?
- (scope cache-cell-scope)
(key cache-cell-key))
(define (simple-vector? obj)
@@ -1232,16 +1234,11 @@ label."
(error "expected a non-immediate" obj))
(intern-constant asm obj))
-(define (intern-cache-cell asm scope key)
+(define (intern-cache-cell asm key)
"Intern a cache cell into the constant table, and return its label.
If there is already a cache cell with the given scope and key, it is
returned instead."
- (intern-constant asm (make-cache-cell scope key)))
-
-;; Return the label of the cell that holds the module for a scope.
-(define (intern-module-cache-cell asm scope)
- "Intern a cache cell for a module, and return its label."
- (intern-cache-cell asm scope #t))
+ (intern-constant asm (make-cache-cell key)))
@@ -1499,20 +1496,26 @@ returned instead."
(set-arity-definitions! arity (cons def (arity-definitions arity)))))
(define-macro-assembler (cache-current-module! asm module scope)
- (let ((mod-label (intern-module-cache-cell asm scope)))
+ (let ((mod-label (intern-cache-cell asm scope)))
(emit-static-set! asm module mod-label 0)))
+(define-macro-assembler (cache-ref asm dst key)
+ (emit-static-ref asm dst (intern-cache-cell asm key)))
+
+(define-macro-assembler (cache-set! asm key val)
+ (emit-static-set! asm val (intern-cache-cell asm key) 0))
+
(define-macro-assembler (cached-toplevel-box asm dst scope sym bound?)
(let ((sym-label (intern-non-immediate asm sym))
- (mod-label (intern-module-cache-cell asm scope))
- (cell-label (intern-cache-cell asm scope sym)))
+ (mod-label (intern-cache-cell asm scope))
+ (cell-label (intern-cache-cell asm (cons scope sym))))
(emit-toplevel-box asm dst cell-label mod-label sym-label bound?)))
(define-macro-assembler (cached-module-box asm dst module-name sym public?
bound?)
(let* ((sym-label (intern-non-immediate asm sym))
(key (cons public? module-name))
(mod-name-label (intern-constant asm key))
- (cell-label (intern-cache-cell asm key sym)))
+ (cell-label (intern-cache-cell asm (acons public? module-name sym))))
(emit-module-box asm dst cell-label mod-name-label sym-label bound?)))
(define-macro-assembler (slot-map asm proc-slot slot-map)
- [Guile-commits] branch master updated (e014bf3 -> 601d0ea), Andy Wingo, 2018/05/14
- [Guile-commits] 02/16: Remove implementation of lsh, rsh instructions, Andy Wingo, 2018/05/14
- [Guile-commits] 05/16: VM calls =? through intrinsic, Andy Wingo, 2018/05/14
- [Guile-commits] 04/16: VM calls "<?" through intrinsic., Andy Wingo, 2018/05/14
- [Guile-commits] 06/16: Remove unused macros in VM, Andy Wingo, 2018/05/14
- [Guile-commits] 08/16: Add scm_maybe_resolve_module, Andy Wingo, 2018/05/14
- [Guile-commits] 07/16: Mark call-scm<-scm-u64 as defining a result, Andy Wingo, 2018/05/14
- [Guile-commits] 12/16: Instruction explosion for cache-current-module, cached-toplevel-box, Andy Wingo, 2018/05/14
- [Guile-commits] 10/16: Add cache-ref, cache-set! macro-instructions,
Andy Wingo <=
- [Guile-commits] 03/16: VM calls out to heap-numbers-equal? through intrinsics, Andy Wingo, 2018/05/14
- [Guile-commits] 15/16: Use intrinsics for top-level refs outside captured scopes, Andy Wingo, 2018/05/14
- [Guile-commits] 16/16: Remove implementations of now-unused toplevel-box et al instructions, Andy Wingo, 2018/05/14
- [Guile-commits] 13/16: Remove backend support for cached-module-box et al., Andy Wingo, 2018/05/14
- [Guile-commits] 11/16: Instruction explosion for cached-module-box, Andy Wingo, 2018/05/14
- [Guile-commits] 09/16: Add intrinsics for module operations, Andy Wingo, 2018/05/14
- [Guile-commits] 01/16: lsh, rsh etc are intrinsics, Andy Wingo, 2018/05/14
- [Guile-commits] 14/16: Compile "define!" via intrinsic, Andy Wingo, 2018/05/14