syscall.SyscallN is implemented by runtime.syscall_syscalln, which makes
sure that the variadic argument doesn't escape.
There is no need to worry about the lifetime of the elements of the
variadic argument, as the compiler will keep them live until the
function returns.
Fixes#70197.
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-windows-amd64-race
Change-Id: I12991f0be12062eea68f2b103fa0a794c1b527eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/625297
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CL 615295 changed the error message produced by the HTTP/2
implementation when a server sends more 1xx headers than expected.
Update a test that checks for this error.
For #65035
Change-Id: I57e22f6a880412e3a448e58693127540806d5ddb
Reviewed-on: https://go-review.googlesource.com/c/go/+/625195
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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For the SubFromLen64 codegen test case to work as intended, we need
to fold c-(-(x-d)) into x+(c-d).
Still, some instances of LeadingZeros are not optimized into single
CLZ instructions right now (actually, the LeadingZeros micro-benchmarks
are currently still compiled with redundant adds/subs of 64, due to
interference of loop optimizations before lowering), but perf numbers
indicate it's not that bad after all.
Micro-benchmark results on Loongson 3A5000 and 3A6000:
goos: linux
goarch: loong64
pkg: math/bits
cpu: Loongson-3A5000 @ 2500.00MHz
| bench.old | bench.new |
| sec/op | sec/op vs base |
LeadingZeros 3.660n ± 0% 1.348n ± 0% -63.17% (p=0.000 n=20)
LeadingZeros8 1.777n ± 0% 1.767n ± 0% -0.56% (p=0.000 n=20)
LeadingZeros16 2.816n ± 0% 1.770n ± 0% -37.14% (p=0.000 n=20)
LeadingZeros32 5.293n ± 1% 1.683n ± 0% -68.21% (p=0.000 n=20)
LeadingZeros64 3.622n ± 0% 1.349n ± 0% -62.76% (p=0.000 n=20)
geomean 3.229n 1.571n -51.35%
goos: linux
goarch: loong64
pkg: math/bits
cpu: Loongson-3A6000 @ 2500.00MHz
| bench.old | bench.new |
| sec/op | sec/op vs base |
LeadingZeros 2.410n ± 0% 1.103n ± 1% -54.23% (p=0.000 n=20)
LeadingZeros8 1.236n ± 0% 1.501n ± 0% +21.44% (p=0.000 n=20)
LeadingZeros16 2.106n ± 0% 1.501n ± 0% -28.73% (p=0.000 n=20)
LeadingZeros32 2.860n ± 0% 1.324n ± 0% -53.72% (p=0.000 n=20)
LeadingZeros64 2.6135n ± 0% 0.9509n ± 0% -63.62% (p=0.000 n=20)
geomean 2.159n 1.256n -41.81%
Updates #59120
This patch is a copy of CL 483356.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Iee81a17f7da06d77a427e73dfcc016f2b15ae556
Reviewed-on: https://go-review.googlesource.com/c/go/+/624575
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Reviewed-by: abner chenc <chenguoqi@loongson.cn>
A part of the keeping Go's vendored dependencies and generated code
up to date.
For #36905.
[git-generate]
cd src
go get golang.org/x/sys@v0.26.1-0.20241105152852-e0753d469443
go mod tidy
go mod vendor
cd cmd
go get golang.org/x/sys@v0.26.1-0.20241105152852-e0753d469443
go mod tidy
go mod vendor
go generate syscall internal/syscall/...
Change-Id: Ia84505f8934399f7c4518c6218892b81d30e5c17
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Support configuring which HTTP version(s) a server or client use
via an explicit set of protocols. The Protocols field takes
precedence over TLSNextProto and ForceAttemptHTTP2.
Fixes#67814
Change-Id: I09ece88f78ad4d98ca1f213157b5f62ae11e063f
Reviewed-on: https://go-review.googlesource.com/c/go/+/607496
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This CL adds support for git as a valid GOAUTH command.
Improves on implementation in cmd/auth/gitauth/gitauth.go
This follows the proposed design in
https://golang.org/issues/26232#issuecomment-461525141
For #26232
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Change-Id: I07810d9dc895d59e5db4bfa50cd42cb909208f93
Reviewed-on: https://go-review.googlesource.com/c/go/+/605275
Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: I4bcaa6b42571626c88e3374c328bbfe993476242
Reviewed-on: https://go-review.googlesource.com/c/go/+/625295
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Observed in the telemetry data. Was causing truncated error outputs.
Change-Id: I9f0a86e1e6caa855f97a3d6e51328c4c9685c937
Reviewed-on: https://go-review.googlesource.com/c/go/+/623535
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Reviewed-by: Robert Griesemer <gri@google.com>
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For #70155
Change-Id: I648791c484e19bb12c6e4f84e2dc42eaaa4db546
Reviewed-on: https://go-review.googlesource.com/c/go/+/624595
Reviewed-by: Damien Neil <dneil@google.com>
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When using bazel with hermetic_cc_toolchain resolv.h is not available.
Change-Id: I2aed72e6c14535cb1400b30d285bf05aa2498fde
GitHub-Last-Rev: 818c72323d
GitHub-Pull-Request: golang/go#70141
Reviewed-on: https://go-review.googlesource.com/c/go/+/623816
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Gets rendered at https://pkg.go.dev/internal/platform#Broken
Change-Id: I128d9f02f113b1b326bc7d6a0e48fe0c944546dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/624915
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Fixes: #70156
Change-Id: I2e5dc2a39a8e54ec5f18c5f9d1644208cffb2e9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/624695
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Reviewed-by: Keith Randall <khr@golang.org>
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For #69994
Change-Id: I7db39074f6a055efb29c1cbd0db4c286864a5da6
Reviewed-on: https://go-review.googlesource.com/c/go/+/621996
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Compared with the version generated by dec64.rules based on Ctz32,
the number of assembly instructions is reduced by half.
SwissMap uses TrailingZeros64 to find the first match in its control
group and may benefit from this CL on 386 architectures.
goos: linux
goarch: 386
cpu: 13th Gen Intel(R) Core(TM) i7-13700H
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
TrailingZeros64-20 0.8828n ± 1% 0.6299n ± 1% -28.65% (p=0.000 n=20)
Change-Id: Iba08a3f4e13efd3349715dfb7fcd5fd470286cd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/624376
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Reviewed-by: Keith Randall <khr@google.com>
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This stops the test from failing with a known failure mode, and
creates time to look into what the next steps should be, if any.
For #69840.
Change-Id: I060903d256ed65c5dfcd70ae76eb361cab63186f
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This moves the interception code ito package
cmd/go/internal/web/intercept so that it can also be used by
cmd/go/internal/auth.
For #26232
Change-Id: Id8148fca56f48adaf98ddd09a62657c08f890441
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The TestProfilerStackDepth/heap test can spuriously fail if the profiler
happens to capture a stack with an allocation several frames deep into
runtime code. The pprof API hides runtime frames at the leaf-end of
stacks, but those frames still count against the profiler's stack depth
limit. The test checks only the first stack it finds with the desired
prefix and fails if it's not deep enough or doesn't have the right root
frame. So it can fail in that scenario, even though the implementation
isn't really broken.
Relax the test to check that there is at least one stack with desired
prefix, depth, and root frame.
Fixes#70112
Change-Id: I337fb3cccd1ddde76530b03aa1ec0f9608aa4112
Reviewed-on: https://go-review.googlesource.com/c/go/+/623998
Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
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A fallthrough statement can be a labeled fallthrough per Go spec.
However, the hasFallthrough function is not considering this case,
causing mis-compilation.
Fixing this by un-wrapping (possible nested) labeled fallthrough
statements if any.
Fixes#70173
Change-Id: Ic93d4fb75ff02703a32dfc63c3e84a8b7f78c261
Reviewed-on: https://go-review.googlesource.com/c/go/+/624717
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Youlin Feng <fengyoulin@live.com>
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Fixes#70175
Change-Id: I13767d951455854b03ad6707ff9292cfe9097ee9
Reviewed-on: https://go-review.googlesource.com/c/go/+/624377
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If a variadic call to a variadic function has not enough/too many
arguments, then print the variadic argument in dotdotdot form
instead of as a slice type in the error message.
Fixes#70150
Change-Id: I81a802619b3b66195b303e2df2bafeb1433ad310
Reviewed-on: https://go-review.googlesource.com/c/go/+/624335
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...even when the file is empty or lacks a valid package decl.
+ test
Fixes#70162
Change-Id: Idf33998911475fe8cdfaa4786ac3ba1745f54963
Reviewed-on: https://go-review.googlesource.com/c/go/+/624655
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Change-Id: I2c68dde6e968e0643109161e52a76189e48b4d19
Reviewed-on: https://go-review.googlesource.com/c/go/+/624715
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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The original triple is `[13,17,5]` which don't existed in the Xorshift
RNG paper.
This CL use the right triple `[13,7,17]` for 64 bits RNG.
Fixes#70144
Change-Id: I3e3d475835980d9f28451ab73e3ce61eb2f1685e
Reviewed-on: https://go-review.googlesource.com/c/go/+/624295
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Update the comments about the list of Unix systems after CL 601357,
which moved one copy and eliminated another.
Change-Id: I12f5b14a53ce6f8b3a41c9a10f947465c291e2b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/623035
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Add support for assembling the FMA instructions present in the LoongArch
base ISA v1.00. This requires adding a new instruction format and making
use of a third source operand, which is put in RestArgs[0].
The single-precision instructions have the `.s` prefix in their official
mnemonics, and similar Go asm instructions all have `S` prefix for the
other architectures having FMA support, but in this change they instead
have `F` prefix in Go asm because loong64 currently follows the mips
backends in the naming convention. This could be changed later because
FMA is fully expressible in pure Go, making it unlikely to have to hand-
write such assembly in the wild.
Example mapping between actual encoding and Go asm syntax:
fmadd.s fd, fj, fk, fa -> FMADDF fa, fk, fj, fd
(prog.From = fa, prog.Reg = fk, prog.RestArgs[0] = fj and prog.To = fd)
fmadd.s fd, fd, fk, fa -> FMADDF fa, fk, fd
(prog.From = fa, prog.Reg = fk and prog.To = fd)
This patch is a copy of CL 477716.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: I9b4e4c601d6c5a854ee238f085849666e4faf090
Reviewed-on: https://go-review.googlesource.com/c/go/+/623877
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Fixes#70023
Change-Id: Ibac9c242f52a605e5fc307bdcaedb359bc2b1de9
Reviewed-on: https://go-review.googlesource.com/c/go/+/622238
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Change-Id: Ia4fbb436ca573b1820f2b4d06d2332f588334768
Reviewed-on: https://go-review.googlesource.com/c/go/+/624357
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Commands run (in both src and src/cmd):
go get golang.org/x/text@v0.19.0
go mod tidy
go mod vendor
This is in preparation for vendoring an updated x/tools it has a
requirement on x/text v0.19.0.
Change-Id: Ia61f668ce802a039d441eff1c3a105653edcc9cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/623856
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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Seems simple, but putting the return after fatal ensures that at the
point of the small group loop, no call has happened so the key is
still in a register. This ensures that we don't have to restore the
key from the stack before the comparison on each iteration. That gets
rid of a load from the inner loop.
name old time/op new time/op delta
MapAccessHit/Key=int64/Elem=int64/len=6-8 4.01ns ± 6% 3.85ns ± 3% -3.92% (p=0.001 n=10+10)
Change-Id: Ia23ac48e6c5522be88f7d9be0ff3489b2dfc52fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/624255
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Use matchEmptyOrDeleted instead of matchEmpty.
Streamline the code a bit.
TODO: replicate in all the _fast files.
Change-Id: I4df16a13a19df3aaae0c42e0c12f20552f08ead6
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It's a bit more efficient.
Change-Id: If813a597516c41fdac6f60e586641d0ee1cde025
Reviewed-on: https://go-review.googlesource.com/c/go/+/623818
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I don't think we have any code that uses this function.
Unless it is something for the future.
Change-Id: I7e44634f7a9c1d4d64d84c358447ccf213668d92
Reviewed-on: https://go-review.googlesource.com/c/go/+/622077
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Ever since we had to upgrade from our COS image, we've been experiencing
TSAN test failures. My best guess is that the ASLR randomization entropy
increased, causing TSAN to fail. TSAN already re-execs itself in Clang
18+ with ASLR disabled, so just execute the tests with ASLR disabled on
Linux.
Fixes#59418.
Change-Id: Icb4536ddf0f2f5e7850734564d40f5a208ab8d01
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This patch is a copy of CL 478595.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Ifb6e8183c83a5dfe5dec84e173a74d5de62692a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623875
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
All remaining unary bitop instructions in the LoongArch v1.00 base ISA
are added with this change.
While at it, add the missing W suffix to the current CLO/CLZ names. They
are not used anywhere as far as we know, so no breakage is expected.
Also, stop reusing SLL's instruction format for simplicity, in favor of
a new but trivial instruction format case.
This patch is a copy of CL 477717.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Idbcaca25dda1ed313674ef8b26da722e8d7151c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623876
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
We've already use size==0 to indicate sending until EOF for
poll.SendFile on non-Linux platforms: Windows/*BSD/macOS/Solaris.
Let's harmonize Linux with others, making poll.SendFile on Linux
match its comment.
Change-Id: Ibfe9c9aa8f16bc37812afce9f95995c715cce0bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/623057
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
*BSD can also returns (>0, EAGAIN) with non-blocking socket,
it's therefore not macOS-specific.
Change-Id: I57a393da31fab7788ad5779a038396be8236b0f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/623056
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
The function crypto/rand.read allocates on Plan 9, so this test
would always fail.
Fixes#69873
Change-Id: I8d661cb868c32f6985d0926f9ae7b30204cafbf4
Reviewed-on: https://go-review.googlesource.com/c/go/+/624015
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
When the SHA3 code was imported from x/crypto we determined the
keccackKats.json.deflate testcases were redundant with existing test
coverage and ACVP. While the testcases referencing the data were
already removed, we forgot to remove the data itself prior to this
commit.
Change-Id: Id2da9201653ff93e618e905bef53f57cf450b5b9
Reviewed-on: https://go-review.googlesource.com/c/go/+/623655
Reviewed-by: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This tests fails sporadically on the aix-ppc64 CI. I suspect this is
an aix performance related issue. Skip the test.
AIX seems slow to perform a non-blocking reading on a pipe, and this
results in too many threads being created. This happens as far back
as go1.22, where I stopped looking.
On the GCC farm machine gcc119, The failure rate seemed coupled to
GOMAXPROCS; about 1% for <=8, up to 40%+ for >=30 for all releases
tested.
For #70131
Change-Id: If002b55e5a4586d10cc7876d7c25259e61b17163
Reviewed-on: https://go-review.googlesource.com/c/go/+/623817
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
For #70130
Change-Id: Idd7ca3d11b78887709b83dd5c868de9cc506ecff
Reviewed-on: https://go-review.googlesource.com/c/go/+/623835
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
