Add support for detecting the DIT feature on ARM64 processors. This
mirrors https://go.dev/cl/597377, but using the platform specific
semantics.
Updates #66450
Change-Id: Ia107e3e3369de7825af70823b485afe2f587358e
Reviewed-on: https://go-review.googlesource.com/c/go/+/598335
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Replace reflect.DeepEqual with slices.Equal, which is much faster.
Remove some redundant helper functions.
Change-Id: I51b32a3d0c3fc5ad0d3b6ff0dd03f39c507e5762
GitHub-Last-Rev: e21f46d4a0
GitHub-Pull-Request: golang/go#67609
Reviewed-on: https://go-review.googlesource.com/c/go/+/587937
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Also clarify the permissions of created files,
and note that CopyFS will not overwrite files.
Update a few places in documentation to use 0oXXX for octal consts.
For #62484
Change-Id: I208ed2bde250304bc7fac2b93963ba57037e791e
Reviewed-on: https://go-review.googlesource.com/c/go/+/600775
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
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Replace reflect.DeepEqual with slices.Equal, which is much faster.
Change-Id: Ia93cc153d1f71ce92656129843be8dadcefbbca3
GitHub-Last-Rev: 0af0cc4205
GitHub-Pull-Request: golang/go#67610
Reviewed-on: https://go-review.googlesource.com/c/go/+/587817
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Commit-Queue: Ian Lance Taylor <iant@google.com>
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Change-Id: Ied098312399d2d6557ebf0ee294ca0e71dfa677b
GitHub-Last-Rev: 82f914e857
GitHub-Pull-Request: golang/go#68565
Reviewed-on: https://go-review.googlesource.com/c/go/+/600655
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Change-Id: Ia191daf8e748f17dcea6038166504fb50e7ddb0d
Reviewed-on: https://go-review.googlesource.com/c/go/+/589535
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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For #49884
Change-Id: I1623201c47c820a152773d2f43d0072a1466d3bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/588118
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Follow up review in CL 597535.
Updates #54846
Change-Id: Idf586552a22bbc6710c0888f046df0a5d1f0ce4a
Reviewed-on: https://go-review.googlesource.com/c/go/+/597537
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
By using cgo.Incomplete to represent not-in-heap type.
While at it, also removing the type conversions tests, since they could
not be present without //go:notinheap pragma.
Fixes#54846
Change-Id: I5ee2a4b6498d4100c9770ed7bd62f52623e42526
Reviewed-on: https://go-review.googlesource.com/c/go/+/597536
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
CL 388538 removed unused -G=0 node types.
However, the code for checking not-in-heap types for map and channel
type was also removed, which is likely not intentional.
This CL restores the check, porting removed code to noder.
Updates #54846
Change-Id: I2995836b90e36d2684197fefc9829fddfffe8585
Reviewed-on: https://go-review.googlesource.com/c/go/+/597535
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Keith Randall <khr@google.com>
So the bounds check which are eliminated during late fuse pass could be
detected correctly.
Fixes#67329
Change-Id: Id7992fbb8c26e0d43e7db66a0a3a2c0d9ed937a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/598635
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Follow up discussion in CL 594575.
The wrapping in "any" is only necessary if either casType or tagType is
an interface, as "==" in this situation is implemented by upconverting
to an interface anyway.
Change-Id: I73da771d25685a23eec612ac696965c892db4764
Reviewed-on: https://go-review.googlesource.com/c/go/+/596555
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Pull in the latest published version of github.com/google/pprof
as part of the continuous process of keeping Go's dependencies
up to date.
For #36905.
[git-generate]
cd src/cmd
go get github.com/google/pprof@v0.0.0-20240722153945-304e4f0156b8
go mod tidy
go mod vendor
Change-Id: If009cff7f2d99ec58315102963cbe07b6739c09a
Reviewed-on: https://go-review.googlesource.com/c/go/+/600596
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Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
CL 600436 moved runtime/internal/sys to internal/runtime/sys and updated
TestNewReleaseRebuildsStalePackagesInGOPATH in part accordingly. This is
the other part that's needed for it to pass.
For #65355.
Change-Id: I26cff96c15caf185a4ee2c8fb31ec6c877ab87e2
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/600595
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
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Reviewed-by: David Chase <drchase@google.com>
For atomic AND and OR operations on memory, we currently have two
views of the op. One just does the operation on the memory and returns
just a memory. The other does the operation on the memory and returns
the old value (before having the logical operation done to it) and
memory.
Update #61395
These two type differently, and there's currently some confusion in
our rules about which is which. Use different names for the two
different flavors so we don't get them confused.
Change-Id: I07b4542db672b2cee98169ac42b67db73c482093
Reviewed-on: https://go-review.googlesource.com/c/go/+/594976
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Nicolas Hillegeer <aktau@google.com>
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Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
When there are multiple declarations of a function, ensure that
those declarations at least agree on the size/alignment of arguments
and return values.
It's hard to be stricter given existing code and situations where
arguments differ only by typedefs. For instance:
int usleep(unsigned);
int usleep(useconds_t);
Fixes#67699.
Change-Id: I3b4b17afee92b55f9e712b4590ec608ab1f7ac91
Reviewed-on: https://go-review.googlesource.com/c/go/+/588977
Auto-Submit: Keith Randall <khr@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
An InlMark "read" can't make an otherwise dead store live. Without this
CL, we sometimes zero an object twice in succession because we think
there is a reader in between.
Kind of challenging to make a test for this. The second zeroing has the
same instruction on the same line number, so codegen tests can't see it.
Fixes#67957
Change-Id: I7fb97ebff50d8eb6246fc4802d1136b7cc76c45f
Reviewed-on: https://go-review.googlesource.com/c/go/+/592615
Reviewed-by: David Chase <drchase@google.com>
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x86 is better at storing constant ints than constant floats.
(It uses a constant directly in the instruction stream, instead of
loading it from a constant global memory.)
Noticed as part of #67957
Change-Id: I9b7b586ad8e0fe9ce245324f020e9526f82b209d
Reviewed-on: https://go-review.googlesource.com/c/go/+/592596
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The Go 1.24 development tree has opened. This is a time to update
all golang.org/x/... module versions that contribute packages to the
std and cmd modules in the standard library to latest master versions.
For #36905.
[git-generate]
go install golang.org/x/build/cmd/updatestd@latest
go install golang.org/x/tools/cmd/bundle@latest
updatestd -goroot=$(pwd) -branch=master
Change-Id: I5a012af9f041f79ab4d5b30569a154e0c2d1617e
Reviewed-on: https://go-review.googlesource.com/c/go/+/600535
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Various functions in binary_test.go were missing some t.Helper() calls,
so this adds them in.
Change-Id: I0e5894e3c3cf72627203694a32adca51fe1563f5
GitHub-Last-Rev: b28c9255b3
GitHub-Pull-Request: golang/go#63897
Reviewed-on: https://go-review.googlesource.com/c/go/+/539135
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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Auto-Submit: Keith Randall <khr@golang.org>
Cleanup and friction reduction
For #65355.
Change-Id: Ia14c9dc584a529a35b97801dd3e95b9acc99a511
Reviewed-on: https://go-review.googlesource.com/c/go/+/600436
Reviewed-by: Keith Randall <khr@google.com>
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Currently internal/trace/testdata contains three debugging tools which
were written early in the trace rewrite for debugging. Two of these are
completely redundant with go tool trace -d=1 and go tool trace -d=2. The
only remaining one landed in the last cycle and could easily also be
another debug mode.
This change thus merges gotraceeventstats into go tool trace as a new
debug mode, and updates the debug mode flag (-d) to accept a string,
giving each mode a more descriptive name.
Change-Id: I170f30440691b81de846b4e247deb3d0982fc205
Reviewed-on: https://go-review.googlesource.com/c/go/+/593975
Reviewed-by: Michael Pratt <mpratt@google.com>
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Return errors by UserConfigDir and UserCacheDir when XDG environment
variables contain relative paths.
Fixes#68470
Change-Id: Ib36b56d73b066e002023be55ecfe74d5c0eedb15
GitHub-Last-Rev: c03f371a04
GitHub-Pull-Request: golang/go#68471
Reviewed-on: https://go-review.googlesource.com/c/go/+/598655
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Since CL 523275, outerfn is always non-nil.
Change-Id: I42cfff90546e506e04a74fb4f754a25f1eadddc9
Reviewed-on: https://go-review.googlesource.com/c/go/+/598636
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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Since CL 522318, all closures are now hidden. Thus this CL removes all
codes that worries about hidden vs non-hidden closures.
Change-Id: I1ea124168c76cedbfc4053d2f150937a382aa330
Reviewed-on: https://go-review.googlesource.com/c/go/+/523275
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Reviewed-by: Than McIntosh <thanm@google.com>
The GNU/kFreeBSD project has been canceled.
https://wiki.debian.org/Debian_GNU/kFreeBSD
For #3533
Change-Id: I30990fced48e1ba43e1e59806379eb97bac3ab6c
Reviewed-on: https://go-review.googlesource.com/c/go/+/596937
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Multiple Ms can offer Events with identical timestamps. The Reader
edits those so the timestamps are strictly increasing, but it needs a
way to break the tie. Use something deterministic (such as the order of
the batches), rather than map iteration order.
Updates #68277
Change-Id: I4a1f70c1669ce1c9b52d09e2bc99acbc831ef9a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/596355
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
The current memmove implementation uses REP MOVSB to copy data larger than
2KB when the useAVXmemmove global variable is false and the CPU supports
the ERMS feature.
This feature is currently only enabled on CPUs in the Sandy Bridge (Client)
, Sandy Bridge (Server), Ivy Bridge (Client), and Ivy Bridge (Server)
microarchitectures.
For modern Intel CPU microarchitectures that support the ERMS feature, such
as Ice Lake (Server), Sapphire Rapids , REP MOVSB achieves better
performance than the AVX-based copy currently implemented in memmove.
Benchstat result:
goos: linux
goarch: amd64
pkg: runtime
cpu: Intel(R) Xeon(R) Gold 6348 CPU @ 2.60GHz
│ ./old.txt │ ./new.txt │
│ sec/op │ sec/op vs base │
Memmove/2048-2 25.24n ± 0% 24.27n ± 0% -3.84% (p=0.000 n=10)
Memmove/4096-2 44.87n ± 0% 33.16n ± 1% -26.11% (p=0.000 n=10)
geomean 33.65n 28.37n -15.71%
│ ./old.txt │ ./new.txt │
│ B/s │ B/s vs base │
Memmove/2048-2 75.56Gi ± 0% 78.59Gi ± 0% +4.02% (p=0.000 n=10)
Memmove/4096-2 85.01Gi ± 0% 115.05Gi ± 1% +35.34% (p=0.000 n=10)
geomean 80.14Gi 95.09Gi +18.65%
Fixes#66958
Change-Id: I1fafd1b51a16752f83ac15047cf3b29422a79d5d
GitHub-Last-Rev: 89cf5af32b
GitHub-Pull-Request: golang/go#66959
Reviewed-on: https://go-review.googlesource.com/c/go/+/580735
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Change-Id: I4550ce3135b3cd675010a3701618e9350f282453
GitHub-Last-Rev: d2e52f1496
GitHub-Pull-Request: golang/go#68519
Reviewed-on: https://go-review.googlesource.com/c/go/+/599535
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Rob Pike <r@golang.org>
Fixes#68340
Change-Id: I65037be6961e9ec720537713cb3f23ab9f5f8459
GitHub-Last-Rev: fadcb299c3
GitHub-Pull-Request: golang/go#68341
Reviewed-on: https://go-review.googlesource.com/c/go/+/597075
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Rob Pike <r@golang.org>
Fixes#64280
Change-Id: I1ad84d85b666a2ef52dc6ecdecd508b4e7fe24a6
GitHub-Last-Rev: 6242027261
GitHub-Pull-Request: golang/go#68524
Reviewed-on: https://go-review.googlesource.com/c/go/+/599575
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Robert Griesemer <gri@google.com>
Change-Id: Ibc861e7b2aebc8fd1e0ba15d8d35ae0ecfe7747e
Reviewed-on: https://go-review.googlesource.com/c/go/+/599996
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Following the "For the release team" steps in README:
cd doc
cp -R initial/ next
$EDITOR next/1-intro.md
Dropped '*' from the cp -R command to avoid needing to
create an empty next directory with a separate command.
For #68545.
For #67586.
Change-Id: I25215bc35a043e0f26d4a86ffe66eb3c26348fef
Reviewed-on: https://go-review.googlesource.com/c/go/+/600177
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Go 1.24 is in the process of being opened for development (to be
eventually released). This change marks the very beginning of its
development cycle, updating the Version value accordingly.
For #40705.
For #67586.
Change-Id: Ibd194f229e7dbd25bc2713f86330fab50ea1dfaa
Reviewed-on: https://go-review.googlesource.com/c/go/+/600176
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Change-Id: Idf3c4427426e3cb74c7749762f2b4f621cf82dba
GitHub-Last-Rev: 86f51a5d50
GitHub-Pull-Request: golang/go#68518
Reviewed-on: https://go-review.googlesource.com/c/go/+/599515
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Fixes#68472
Change-Id: I21282621d679d9e2b032256b338c0b5ff107c8f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/599816
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Runtime functions, e.g. internal/abi.NoEscape, should not be
instrumented with checkptr. But if they are inlined into a
checkptr-enabled function, they will be instrumented, and may
result in a check failure.
Let the compiler not inline runtime functions into checkptr-
enabled functions.
Also undo the change in the strings package in CL 598295, as the
compiler handles it now.
Fixes#68511.
Updates #68415.
Change-Id: I78eb380855ac9dd53c1a1a628ec0da75c3e5a1a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/599435
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Reviewed-by: Keith Randall <khr@google.com>
The function is called in nosplit context already.
Fixes#68525
Change-Id: I8b9e324335b7c605d5a20cacdd58df09b7a7cf52
Reviewed-on: https://go-review.googlesource.com/c/go/+/599675
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Fixes#63312
Change-Id: I7861bddcd4c6dc208b4449b923eb2785a122aadf
Reviewed-on: https://go-review.googlesource.com/c/go/+/553157
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Auto-Submit: Keith Randall <khr@golang.org>
Update x/telemetry to fix problems caused by the file rotation timer.
Commands run:
go get golang.org/x/telemetry@0b706e1
go mod tidy
go mod vendor
Fixesgolang/go#68497
Change-Id: I29861ec89dfaaf260eb051eb23ab9251903b5ea8
Reviewed-on: https://go-review.googlesource.com/c/go/+/598957
Reviewed-by: Michael Matloob <matloob@golang.org>
Auto-Submit: Robert Findley <rfindley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This restores behavior that we lost in CL 588675.
Fixes#68496
Change-Id: I1740986bed647835986d54109071b7a6b37413d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/599015
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
