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guile: backport commits to fix 32-bit

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https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71891 says the issue was
fixed in aff9ac968840e9c86719fb613bd2ed3c39b9905c, but to avoid
conflicts (which I don't know how to resolve, not knowing scheme), also
pull in 5e6288c9304b60f1875a44808ee3858e3d6efc83
0dab58fc2a6ac6a8354439749d598f8c24f57ddd and
e45b70dcded37eb77e71ec30445b12040b6bb1b7.
This commit is contained in:
Jeremy Drake 2025-01-07 11:01:36 -08:00 committed by Christoph Reiter
parent 46b716e9cd
commit b3b5d81c2a
5 changed files with 407 additions and 3 deletions
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40
guile/0401-Narrow-parameter-of-logand-immediate-if-no-bits-used.patch Normal file
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@ -0,0 +1,40 @@
From 5e6288c9304b60f1875a44808ee3858e3d6efc83 Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Mon, 23 Sep 2024 15:57:23 +0200
Subject: [PATCH] Narrow parameter of logand/immediate if no bits used
* module/language/cps/specialize-numbers.scm (specialize-operations):
Narrow ulogand/immediate param according to used bits.
---
module/language/cps/specialize-numbers.scm | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/module/language/cps/specialize-numbers.scm b/module/language/cps/specialize-numbers.scm
index 4ec88871c..f93250756 100644
--- a/module/language/cps/specialize-numbers.scm
+++ b/module/language/cps/specialize-numbers.scm
@@ -1,6 +1,6 @@
;;; Continuation-passing style (CPS) intermediate language (IL)
-;; Copyright (C) 2015-2021, 2023 Free Software Foundation, Inc.
+;; Copyright (C) 2015-2021,2023-2024 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -561,9 +561,11 @@ BITS indicating the significant bits needed for a variable. BITS may be
(specialize-unop cps k src op param a
(unbox-u64 a) (box-u64 result))))
- (('logand/immediate (? u64-result? ) param (? u64-operand? a))
+ (('logand/immediate (? u64-result?) param (? u64-operand? a))
(specialize-unop cps k src 'ulogand/immediate
- (logand param (1- (ash 1 64)))
+ (logand param
+ (or (intmap-ref sigbits result) -1)
+ (1- (ash 1 64)))
a
(unbox-u64 a) (box-u64 result)))
--
2.34.1

73
guile/0402-Fix-fixpoint-needed-bits-computation-in-specialize-n.patch Normal file
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@ -0,0 +1,73 @@
From 0dab58fc2a6ac6a8354439749d598f8c24f57ddd Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Wed, 25 Sep 2024 17:23:06 +0200
Subject: [PATCH] Fix fixpoint needed-bits computation in specialize-numbers
* module/language/cps/specialize-numbers.scm (next-power-of-two): Use
integer-length. No change.
(compute-significant-bits): Fix the fixpoint computation, which was
failing to complete in some cases with loops.
---
module/language/cps/specialize-numbers.scm | 27 ++++++++--------------
1 file changed, 10 insertions(+), 17 deletions(-)
diff --git a/module/language/cps/specialize-numbers.scm b/module/language/cps/specialize-numbers.scm
index cd884533c..f70c28e08 100644
--- a/module/language/cps/specialize-numbers.scm
+++ b/module/language/cps/specialize-numbers.scm
@@ -265,10 +265,7 @@
(sigbits-intersect a (sigbits-intersect b c)))
(define (next-power-of-two n)
- (let lp ((out 1))
- (if (< n out)
- out
- (lp (ash out 1)))))
+ (ash 1 (integer-length n)))
(define (range->sigbits min max)
(cond
@@ -310,18 +307,16 @@
BITS indicating the significant bits needed for a variable. BITS may be
#f to indicate all bits, or a non-negative integer indicating a bitmask."
(let ((preds (invert-graph (compute-successors cps kfun))))
- (let lp ((worklist (intmap-keys preds)) (visited empty-intset)
- (out empty-intmap))
+ (let lp ((worklist (intmap-keys preds)) (out empty-intmap))
(match (intset-prev worklist)
(#f out)
(label
- (let ((worklist (intset-remove worklist label))
- (visited* (intset-add visited label)))
+ (let ((worklist (intset-remove worklist label)))
(define (continue out*)
- (if (and (eq? out out*) (eq? visited visited*))
- (lp worklist visited out)
+ (if (eq? out out*)
+ (lp worklist out)
(lp (intset-union worklist (intmap-ref preds label))
- visited* out*)))
+ out*)))
(define (add-def out var)
(intmap-add out var 0 sigbits-union))
(define (add-defs out vars)
@@ -352,12 +347,10 @@ BITS indicating the significant bits needed for a variable. BITS may be
(($ $values args)
(match (intmap-ref cps k)
(($ $kargs _ vars)
- (if (intset-ref visited k)
- (fold (lambda (arg var out)
- (intmap-add out arg (intmap-ref out var)
- sigbits-union))
- out args vars)
- out))
+ (fold (lambda (arg var out)
+ (intmap-add out arg (intmap-ref out var (lambda (_) 0))
+ sigbits-union))
+ out args vars))
(($ $ktail)
(add-unknown-uses out args))))
(($ $call proc args)
--
2.34.1

56
guile/0403-Fix-boxing-of-non-fixnum-negative-u64-values.patch Normal file
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@ -0,0 +1,56 @@
From e45b70dcded37eb77e71ec30445b12040b6bb1b7 Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Wed, 25 Sep 2024 17:24:51 +0200
Subject: [PATCH] Fix boxing of non-fixnum negative u64 values
* module/language/cps/specialize-numbers.scm (u64->fixnum/truncate): New
helper.
(specialize-operations): Fix specialized boxing of u64 values to
truncate possibly-negative values, to avoid confusing CSE. Fixes
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71891.
---
module/language/cps/specialize-numbers.scm | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/module/language/cps/specialize-numbers.scm b/module/language/cps/specialize-numbers.scm
index f70c28e08..b46919a40 100644
--- a/module/language/cps/specialize-numbers.scm
+++ b/module/language/cps/specialize-numbers.scm
@@ -115,6 +115,13 @@
(letk ks64 ($kargs ('s64) (s64) ,tag-body))
(build-term
($continue ks64 src ($primcall 'u64->s64 #f (u64))))))
+(define (u64->fixnum/truncate cps k src u64 bits)
+ (with-cps cps
+ (letv truncated)
+ (let$ tag-body (u64->fixnum k src truncated))
+ (letk ku64 ($kargs ('truncated) (truncated) ,tag-body))
+ (build-term
+ ($continue ku64 src ($primcall 'ulogand/immediate bits (u64))))))
(define-simple-primcall scm->u64)
(define-simple-primcall scm->u64/truncate)
(define-simple-primcall u64->scm)
@@ -473,7 +480,19 @@ BITS indicating the significant bits needed for a variable. BITS may be
(define (box-s64 result)
(if (fixnum-result? result) tag-fixnum s64->scm))
(define (box-u64 result)
- (if (fixnum-result? result) u64->fixnum u64->scm))
+ (call-with-values
+ (lambda ()
+ (lookup-post-type types label result 0))
+ (lambda (type min max)
+ (cond
+ ((and (type<=? type &exact-integer)
+ (<= 0 min max (target-most-positive-fixnum)))
+ u64->fixnum)
+ ((only-fixnum-bits-used? result)
+ (lambda (cps k src u64)
+ (u64->fixnum/truncate cps k src u64 (intmap-ref sigbits result))))
+ (else
+ u64->scm)))))
(define (box-f64 result)
f64->scm)
--
2.34.1

217
guile/0404-Run-sigbits-fixpoint-based-on-use-def-graph-not-cfg.patch Normal file
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@ -0,0 +1,217 @@
From aff9ac968840e9c86719fb613bd2ed3c39b9905c Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Thu, 26 Sep 2024 11:14:52 +0200
Subject: [PATCH] Run sigbits fixpoint based on use/def graph, not cfg
* module/language/cps/specialize-numbers.scm (sigbits-ref): New helper.
(invert-graph*): New helper.
(compute-significant-bits): When visiting a term changes computed
needed-bits for one of its definitions, we need to revisit the variables
that contributed to its result (the uses), because they might need more
bits as well. Previously we were doing this by enqueueing predecessors
to the term, which worked if the uses were defined in predecessors, or
if all defining terms were already in the worklist, which is the case
without loops. But with loops, when revisiting a term, you could see
that it causes sigbits to change, enqueue its predecessors, but then the
predecessors don't change anything and the fixpoint stops before
reaching the definitions of the variables we need. So instead we
compute the use-def graph and enqueue defs directly.
---
module/language/cps/specialize-numbers.scm | 120 ++++++++++-----------
1 file changed, 54 insertions(+), 66 deletions(-)
diff --git a/module/language/cps/specialize-numbers.scm b/module/language/cps/specialize-numbers.scm
index b46919a40..4983326f6 100644
--- a/module/language/cps/specialize-numbers.scm
+++ b/module/language/cps/specialize-numbers.scm
@@ -286,6 +286,9 @@
(and (type<=? type (logior &exact-integer &u64 &s64))
(range->sigbits min max)))))
+(define (sigbits-ref sigbits var)
+ (intmap-ref sigbits var (lambda (_) 0)))
+
(define significant-bits-handlers (make-hash-table))
(define-syntax-rule (define-significant-bits-handler
((primop label types out def ...) param arg ...)
@@ -297,24 +300,42 @@
(define-significant-bits-handler ((logand label types out res) param a b)
(let ((sigbits (sigbits-intersect3 (inferred-sigbits types label a)
(inferred-sigbits types label b)
- (intmap-ref out res (lambda (_) 0)))))
+ (sigbits-ref out res))))
(intmap-add (intmap-add out a sigbits sigbits-union)
b sigbits sigbits-union)))
(define-significant-bits-handler ((logand/immediate label types out res) param a)
(let ((sigbits (sigbits-intersect3 (inferred-sigbits types label a)
param
- (intmap-ref out res (lambda (_) 0)))))
+ (sigbits-ref out res))))
(intmap-add out a sigbits sigbits-union)))
(define (significant-bits-handler primop)
(hashq-ref significant-bits-handlers primop))
+(define (invert-graph* defs)
+ "Given a graph LABEL->VAR..., return a graph VAR->LABEL.... Like the one
+in (language cps graphs), but different because it doesn't assume that
+the domain will be the same before and after."
+ (persistent-intmap
+ (intmap-fold (lambda (label vars out)
+ (intset-fold
+ (lambda (var out)
+ (intmap-add! out var (intset label) intset-union))
+ vars
+ out))
+ defs
+ empty-intmap)))
+
(define (compute-significant-bits cps types kfun)
"Given the locally inferred types @var{types}, compute a map of VAR ->
BITS indicating the significant bits needed for a variable. BITS may be
#f to indicate all bits, or a non-negative integer indicating a bitmask."
- (let ((preds (invert-graph (compute-successors cps kfun))))
- (let lp ((worklist (intmap-keys preds)) (out empty-intmap))
+ (let ((cps (intmap-select cps (compute-function-body cps kfun))))
+ ;; Label -> Var...
+ (define-values (defs uses) (compute-defs-and-uses cps))
+ ;; Var -> Label...
+ (define defs-by-var (invert-graph* defs))
+ (let lp ((worklist (intmap-keys cps)) (out empty-intmap))
(match (intset-prev worklist)
(#f out)
(label
@@ -322,69 +343,36 @@ BITS indicating the significant bits needed for a variable. BITS may be
(define (continue out*)
(if (eq? out out*)
(lp worklist out)
- (lp (intset-union worklist (intmap-ref preds label))
+ (lp (intset-fold
+ (lambda (use worklist)
+ (intset-union worklist (intmap-ref defs-by-var use)))
+ (intmap-ref uses label)
+ worklist)
out*)))
- (define (add-def out var)
- (intmap-add out var 0 sigbits-union))
- (define (add-defs out vars)
- (match vars
- (() out)
- ((var . vars) (add-defs (add-def out var) vars))))
- (define (add-unknown-use out var)
+ (define (add-unknown-use var out)
(intmap-add out var (inferred-sigbits types label var)
sigbits-union))
- (define (add-unknown-uses out vars)
- (match vars
- (() out)
- ((var . vars)
- (add-unknown-uses (add-unknown-use out var) vars))))
+ (define (default)
+ (intset-fold add-unknown-use (intmap-ref uses label) out))
(continue
(match (intmap-ref cps label)
- (($ $kfun src meta self)
- (if self (add-def out self) out))
- (($ $kargs names vars term)
- (let ((out (add-defs out vars)))
- (match term
- (($ $continue k src exp)
- (match exp
- ((or ($ $const) ($ $prim) ($ $fun) ($ $const-fun)
- ($ $code) ($ $rec))
- ;; No uses, so no info added to sigbits.
- out)
- (($ $values args)
- (match (intmap-ref cps k)
- (($ $kargs _ vars)
- (fold (lambda (arg var out)
- (intmap-add out arg (intmap-ref out var (lambda (_) 0))
- sigbits-union))
- out args vars))
- (($ $ktail)
- (add-unknown-uses out args))))
- (($ $call proc args)
- (add-unknown-use (add-unknown-uses out args) proc))
- (($ $callk label proc args)
- (let ((out (add-unknown-uses out args)))
- (if proc
- (add-unknown-use out proc)
- out)))
- (($ $calli args callee)
- (add-unknown-uses (add-unknown-use out callee) args))
- (($ $primcall name param args)
- (let ((h (significant-bits-handler name)))
- (if h
- (match (intmap-ref cps k)
- (($ $kargs _ defs)
- (h label types out param args defs)))
- (add-unknown-uses out args))))))
- (($ $branch kf kt src op param args)
- (add-unknown-uses out args))
- (($ $switch kf kt src arg)
- (add-unknown-use out arg))
- (($ $prompt k kh src escape? tag)
- (add-unknown-use out tag))
- (($ $throw src op param args)
- (add-unknown-uses out args)))))
- (_ out)))))))))
+ (($ $kargs _ _ ($ $continue k _ ($ $primcall op param args)))
+ (match (significant-bits-handler op)
+ (#f (default))
+ (h
+ (match (intmap-ref cps k)
+ (($ $kargs _ defs)
+ (h label types out param args defs))))))
+ (($ $kargs _ _ ($ $continue k _ ($ $values args)))
+ (match (intmap-ref cps k)
+ (($ $kargs _ vars)
+ (fold (lambda (arg var out)
+ (intmap-add out arg (sigbits-ref out var)
+ sigbits-union))
+ out args vars))
+ (($ $ktail)
+ (default))))
+ (_ (default))))))))))
(define (specialize-operations cps)
(define (u6-parameter? param)
@@ -416,7 +404,7 @@ BITS indicating the significant bits needed for a variable. BITS may be
(define (all-u64-bits-set? var)
(operand-in-range? var &exact-integer (1- (ash 1 64)) (1- (ash 1 64))))
(define (only-fixnum-bits-used? var)
- (let ((bits (intmap-ref sigbits var)))
+ (let ((bits (sigbits-ref sigbits var)))
(and bits (= bits (logand bits (target-most-positive-fixnum))))))
(define (fixnum-result? result)
(or (only-fixnum-bits-used? result)
@@ -429,7 +417,7 @@ BITS indicating the significant bits needed for a variable. BITS may be
min max
(target-most-positive-fixnum)))))))
(define (only-u64-bits-used? var)
- (let ((bits (intmap-ref sigbits var)))
+ (let ((bits (sigbits-ref sigbits var)))
(and bits (= bits (logand bits (1- (ash 1 64)))))))
(define (u64-result? result)
(or (only-u64-bits-used? result)
@@ -490,7 +478,7 @@ BITS indicating the significant bits needed for a variable. BITS may be
u64->fixnum)
((only-fixnum-bits-used? result)
(lambda (cps k src u64)
- (u64->fixnum/truncate cps k src u64 (intmap-ref sigbits result))))
+ (u64->fixnum/truncate cps k src u64 (sigbits-ref sigbits result))))
(else
u64->scm)))))
(define (box-f64 result)
@@ -576,7 +564,7 @@ BITS indicating the significant bits needed for a variable. BITS may be
(('logand/immediate (? u64-result?) param a)
(specialize-unop cps k src 'ulogand/immediate
(logand param
- (or (intmap-ref sigbits result) -1)
+ (or (sigbits-ref sigbits a) -1)
(1- (ash 1 64)))
a
(unbox-u64/truncate a) (box-u64 result)))
--
2.34.1

24
guile/PKGBUILD
View File

@ -3,7 +3,7 @@
pkgbase=guile pkgbase=guile
pkgname=("${pkgbase}" "lib${pkgbase}" "lib${pkgbase}-devel") pkgname=("${pkgbase}" "lib${pkgbase}" "lib${pkgbase}-devel")
pkgver=3.0.10 pkgver=3.0.10
pkgrel=2 pkgrel=3
pkgdesc="a portable, embeddable Scheme implementation written in C" pkgdesc="a portable, embeddable Scheme implementation written in C"
url="https://www.gnu.org/software/guile/" url="https://www.gnu.org/software/guile/"
msys2_references=( msys2_references=(
@ -37,7 +37,11 @@ source=("https://ftp.gnu.org/pub/gnu/${pkgname}/${pkgbase}-${pkgver}.tar.xz"
'0302-In-i18n.test-add-unresolved-for-host-type-msys.patch' '0302-In-i18n.test-add-unresolved-for-host-type-msys.patch'
'0303-In-tests-add-dynamic-link-to-msys-2.0-for-host-type-msys.patch' '0303-In-tests-add-dynamic-link-to-msys-2.0-for-host-type-msys.patch'
'0304-Skip-tests-using-setrlimit-for-MSYS-as-done-for-Cygwin.patch' '0304-Skip-tests-using-setrlimit-for-MSYS-as-done-for-Cygwin.patch'
'0305-Remove-failed-test-00-repl-server.test.patch') '0305-Remove-failed-test-00-repl-server.test.patch'
'0401-Narrow-parameter-of-logand-immediate-if-no-bits-used.patch'
'0402-Fix-fixpoint-needed-bits-computation-in-specialize-n.patch'
'0403-Fix-boxing-of-non-fixnum-negative-u64-values.patch'
'0404-Run-sigbits-fixpoint-based-on-use-def-graph-not-cfg.patch')
sha256sums=('bd7168517fd526333446d4f7ab816527925634094fbd37322e17e2b8d8e76388' sha256sums=('bd7168517fd526333446d4f7ab816527925634094fbd37322e17e2b8d8e76388'
'76482f80bd2b2ade6cdc015230f95a34ef9e13d3798dcd88b881afb63f7bab44' '76482f80bd2b2ade6cdc015230f95a34ef9e13d3798dcd88b881afb63f7bab44'
'07c0dd3718b8edd8eef545c90b7bf013bdd9418f0eda662c29e31064c4870422' '07c0dd3718b8edd8eef545c90b7bf013bdd9418f0eda662c29e31064c4870422'
@ -50,7 +54,11 @@ sha256sums=('bd7168517fd526333446d4f7ab816527925634094fbd37322e17e2b8d8e76388'
'd75375ab4a78695f2aa04b1499e85dce4f53599271cd88f9e51ae7b27590118a' 'd75375ab4a78695f2aa04b1499e85dce4f53599271cd88f9e51ae7b27590118a'
'150201aa84a21eb09bcf46784c92496801f014ee4091d88e6b9e1aedeece6a34' '150201aa84a21eb09bcf46784c92496801f014ee4091d88e6b9e1aedeece6a34'
'eb683df1331e063fd8d190650a01f30baba06f48b2c6dbce998ac2b3811574c6' 'eb683df1331e063fd8d190650a01f30baba06f48b2c6dbce998ac2b3811574c6'
'1f2b39f919a508dc83363daa80b5ccde14a9d07d70cea2f126b828494af675be') '1f2b39f919a508dc83363daa80b5ccde14a9d07d70cea2f126b828494af675be'
'b3012ea06e6f2e4a98ce3d72e9faa84662c3b027bf4023095375005368112ea1'
'944699d89f0e4f068f4a169e8a4d063e8f5295c1f1c19411d9b1d319b3b8ade1'
'e3e846eabe2a1e8b3e6136aca219a7b507a737fbbfa6e77e0864931e7f4549ff'
'80a3e4477a96cf68e29a8e8f688d48b97564c52f8dcd1c4a127749d4e45fd013')
prepare() { prepare() {
cd "${srcdir}/${pkgbase}-${pkgver}" cd "${srcdir}/${pkgbase}-${pkgver}"
@ -71,6 +79,16 @@ prepare() {
patch -p1 -i ${srcdir}/0304-Skip-tests-using-setrlimit-for-MSYS-as-done-for-Cygwin.patch patch -p1 -i ${srcdir}/0304-Skip-tests-using-setrlimit-for-MSYS-as-done-for-Cygwin.patch
patch -p1 -i ${srcdir}/0305-Remove-failed-test-00-repl-server.test.patch patch -p1 -i ${srcdir}/0305-Remove-failed-test-00-repl-server.test.patch
# backports to fix 32-bit
# https://git.savannah.gnu.org/gitweb/?p=guile.git;a=patch;h=5e6288c9304b60f1875a44808ee3858e3d6efc83
patch -p1 -i ${srcdir}/0401-Narrow-parameter-of-logand-immediate-if-no-bits-used.patch
# https://git.savannah.gnu.org/gitweb/?p=guile.git;a=patch;h=0dab58fc2a6ac6a8354439749d598f8c24f57ddd
patch -p1 -i ${srcdir}/0402-Fix-fixpoint-needed-bits-computation-in-specialize-n.patch
# https://git.savannah.gnu.org/gitweb/?p=guile.git;a=patch;h=e45b70dcded37eb77e71ec30445b12040b6bb1b7
patch -p1 -i ${srcdir}/0403-Fix-boxing-of-non-fixnum-negative-u64-values.patch
# https://git.savannah.gnu.org/gitweb/?p=guile.git;a=patch;h=aff9ac968840e9c86719fb613bd2ed3c39b9905c
patch -p1 -i ${srcdir}/0404-Run-sigbits-fixpoint-based-on-use-def-graph-not-cfg.patch
autoreconf -fi autoreconf -fi
} }