Apparently people don't tend to pass untyped constant expressions
to panic.
For #68734
Change-Id: I6fff8137a0f001391de9e61860b67026a9db08c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/603096
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Change-Id: I016672af79d49a00ddc2d0449cdaac61e98b4ba0
GitHub-Last-Rev: 38d15d9a03
GitHub-Pull-Request: golang/go#68730
Reviewed-on: https://go-review.googlesource.com/c/go/+/602698
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Fixes#68548
Add GOENV=off, GOFLAGS= to the build of the stdlib, so that it matches
what runcmd does. This ensures that the runtime and the test are built
with the same flags. As opposed to before this CL, where flags were used
in the stdlib build but not the runcmd build.
(Part of the problem here is that cmd/internal/testdir/testdir_test.go
plays fast and loose with the build cache to make the tests run faster.
Maybe some of that fast-and-loose mechanism can be removed now that we
have a better build cache? I'm not sure.)
Change-Id: I449d4ff517c69311d0aa4411e7fb96c0cca49269
Reviewed-on: https://go-review.googlesource.com/c/go/+/600276
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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CL 586257 converted days to uint32 which is usually fine but fails for
negative days close to cycle boundaries.
Fixes#68718
Change-Id: I8dc5b8fe0c7c1921beb204da1913b9a1ab39280d
Reviewed-on: https://go-review.googlesource.com/c/go/+/602815
Reviewed-by: Rob Pike <r@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Use strings to simplify the code.
This is a follow-up for the CL 586715.
Change-Id: I9e5470ec271e8af1ad4ddbb5f01f43a8a4879557
GitHub-Last-Rev: b95d617978
GitHub-Pull-Request: golang/go#68713
Reviewed-on: https://go-review.googlesource.com/c/go/+/602697
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Change-Id: Ic5454758c87e9f84a829aed8a72b5ad977878585
GitHub-Last-Rev: 2eb8ced712
GitHub-Pull-Request: golang/go#68605
Reviewed-on: https://go-review.googlesource.com/c/go/+/601295
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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The speed of handing off a mutex to a waiting thread is sensitive to the
configuration of the spinning section of lock2. Measure that latency
directly, to complement our existing benchmarks of mutex throughput.
For #68578
Change-Id: I7637684bcff62eb05cc008491f095f653d13af4b
Reviewed-on: https://go-review.googlesource.com/c/go/+/602176
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Rhys Hiltner <rhys.hiltner@gmail.com>
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The flakes were introduced by me in CL 586655. It's unclear why only
FreeBSD seems affected, maybe other TCP stacks handle sending on a
half-closed connection differently, or aren't as quick to propagate the
RST over localhost.
Fixes#68155
Change-Id: I32a1b474a7d6531dbab93910c23568b867629e8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/602615
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
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Fixes#68690
Change-Id: Iebc27d5f385d787e568550a863f59f16c7a79fd7
Reviewed-on: https://go-review.googlesource.com/c/go/+/602178
Auto-Submit: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Rob Pike <r@golang.org>
Temporary measure to reduce the required MVP code.
For #54766.
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest-swissmap
Change-Id: I44dc8acd0dc8280c6beb40451998e84bc85c238a
Reviewed-on: https://go-review.googlesource.com/c/go/+/580915
Reviewed-by: Keith Randall <khr@golang.org>
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The two map implementations are still identical, but now the compiler
targets the appropriate ABI depending on GOEXPERIMENT.
For #54766.
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Change-Id: I8438f64f044ba9de30ddbf2b8ceb9b4edd2d5614
Reviewed-on: https://go-review.googlesource.com/c/go/+/580779
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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The _swiss.go files are identical to the originals (except build tag).
Later CLs will change them.
For #54766.
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Change-Id: I9943e2d6f1cfa227ffbf27c9ddc9ce853695d225
Reviewed-on: https://go-review.googlesource.com/c/go/+/580778
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This CL creates tests for the cipher.Stream interface in the new
cryptotest package. This set of tests is called from the tests of
implementations of the Stream interface e.g. ctr_test.go, ofb_test.go,
rc4_test.go, etc.
Updates #25309
Change-Id: I57204ef9f4c0ec09b94e88466deb03c6715e411d
Reviewed-on: https://go-review.googlesource.com/c/go/+/595564
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Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Russell Webb <russell.webb@protonmail.com>
Change-Id: Id0fb180a2d7910cdff7f4ab7154d9ceeb2f1cb71
GitHub-Last-Rev: 03658dd974
GitHub-Pull-Request: golang/go#68709
Reviewed-on: https://go-review.googlesource.com/c/go/+/602675
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Go asm syntax example:
MOVV R4, FCSR0
MOVV FCSR1, R5
MOVV F4, FCC0
MOVV FCC1, F5
Equivalent platform assembler syntax:
movgr2fcsr fcsr0, r4
movfcsr2gr r5, fcsr1
movfr2cf fcc0, f4
movcf2fr f5, fcc1
Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
This change also merges the case of floating point move instructions
and add checks for the range of special registers.
Change-Id: Ib08fbce83e7a31dc0ab4857bf9ba959855241d1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/580279
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Like slices.Repeat, use math/bits.Mul to detect overflow in order to
avoid a divide which is slow.
While here, also use builtin min/max to simplify code.
Change-Id: I4a6d8cd5df97fa75f4e324d4be1405ce53c03d31
GitHub-Last-Rev: 54ba5c7126
GitHub-Pull-Request: golang/go#68704
Reviewed-on: https://go-review.googlesource.com/c/go/+/602475
Auto-Submit: Ian Lance Taylor <iant@google.com>
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During the GC mark phase, one of the first behaviors of findRunnable is
to check if it should execute a GC mark worker. Mark workers often run
for many milliseconds in a row, so programs that invoke the scheduler
more frequently will see that condition trigger only a tiny fraction of
the time.
Obtaining a mark worker from the gcBgMarkWorkerPool involves a CAS on a
single memory location that's shared across the process. When GOMAXPROCS
is large, the resulting contention can waste a significant amount of CPU
time. But a sufficiently large GOMAXPROCS also means there's no need for
fractional mark workers, making it easier to check ahead of time if we
need to run a worker.
Check, without committing to a particular worker, whether we would even
want to run one.
For #68399
Change-Id: I5d8578c2101ee20a8a4156a029584356095ea118
Reviewed-on: https://go-review.googlesource.com/c/go/+/602477
Reviewed-by: Michael Pratt <mpratt@google.com>
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notes are used in sensitive locations in the runtime, such as those with
write barriers forbidden. Maps aren't designed for this sort of internal
use.
Notably, newm -> notewakeup doesn't allow write barriers, but mapaccess1
-> panic contains write barriers. The js runtime only builds right now
because the map access is optimized to mapaccess1_fast64, which happens
to not have a panic call.
The initial swisstable map implementation doesn't have a fast64 variant.
While we could add one, it is a bad idea in general to use a map in such
a fragile location. Simplify the implementation by storing the metadata
directly in the note, and using a linked list for checkTimeouts.
For #54766.
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Change-Id: Ib9d39f064ae4ad32dcc873f799428717eb6c2d5a
Reviewed-on: https://go-review.googlesource.com/c/go/+/595558
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If the length does not fit in int, saferio.ReadDataAt returns
io.ErrUnexpectedEOF. Treat is as an invalid format.
Fixes#68692.
For #68592.
Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest
Change-Id: Ie856f29c907fd10e6d9b7dfbb6f0d8008a75a1c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/602435
Auto-Submit: Michael Pratt <mpratt@google.com>
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For #62384
Change-Id: I6fc7a7b8b85e02c880f1d16e0467f5076d477f0f
GitHub-Last-Rev: 90ba7bae6a
GitHub-Pull-Request: golang/go#68651
Reviewed-on: https://go-review.googlesource.com/c/go/+/601776
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So the racy usage could be detected after re-writing "==" to
runtime.memequal call.
Updates #61204
Change-Id: Idb4ac37e55813cc87f9d16aa656fb447edf69ea1
Reviewed-on: https://go-review.googlesource.com/c/go/+/601117
Reviewed-by: Egon Elbre <egonelbre@gmail.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Change-Id: Ic0ea0f0de3f94e2d89bf76176c51f42e87b1bad7
GitHub-Last-Rev: 29517a07f9
GitHub-Pull-Request: golang/go#68695
Reviewed-on: https://go-review.googlesource.com/c/go/+/602177
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These are delay primitives for lock2. If a mutex isn't immediately
available, we can use procyield to tell the processor to wait for a
moment, or osyield to allow the OS to run a different process or thread
if one is waiting. We expect a processor-level yield to be faster than
an os-level yield, and for both of them to be fast relative to entering
a full sleep (via futexsleep or semasleep).
Each architecture has its own way of hinting to the processor that it's
in a spin-wait loop, so procyield presents an architecture-independent
interface for use in lock_futex.go and lock_sema.go.
Measure the (single-threaded) speed of these to confirm.
For #68578
Change-Id: I90cd46ea553f2990395aceb048206285558c877e
Reviewed-on: https://go-review.googlesource.com/c/go/+/601396
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There is no need to check whether the symbol is empty, since we have already
checked it before. In addition, it is enough to use C_ADDR to represent memory
access, C_LEXT and C_SEXT are not needed.
Change-Id: I7158d6b549482b35cd9ac5fba781648fb3f21922
Reviewed-on: https://go-review.googlesource.com/c/go/+/565615
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Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
If p.To.Sym is nil, that means we can get the target offset from
p.To.Target().pc - c.pc，only when p.To.Sym is not nil, we need relocation
to get the true address of target symbol.
Change-Id: Ied52f675c6aa6e8fb8d972b7699f5cadd1ecb268
Reviewed-on: https://go-review.googlesource.com/c/go/+/565627
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Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
When the kind of the operand is TYPE_BRANCH, we cannot determine
whether it is a long branch or a short branch, so we merge these
two classes into one.
Change-Id: I7d7fa8f62ff02791ec3de4e3e3f7610bc9cb1743
Reviewed-on: https://go-review.googlesource.com/c/go/+/565626
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Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
The instructions belonging to case 32 have the same structure as the
instructions in case 2.
The instructions in case 33 are actually two-register operation
instructions. We move their definitions from function oprrr to oprr and
merge their implementation into case 9.
Change-Id: Id04aaa497e78d8198a58f8d406876d16b3f393a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/565616
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Change-Id: I530df137bcb5094a828f97ecbe204265b50c8546
Reviewed-on: https://go-review.googlesource.com/c/go/+/602118
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This CL creates tests for the cipher.BlockMode interface in the new
cryptotest package. This set of tests is called from the tests of
implementations of the BlockMode interface e.g. cbc_test.go
Updates #25309
Change-Id: I3685bbee24d08d66f5bb4b7f001cbf520c844881
Reviewed-on: https://go-review.googlesource.com/c/go/+/595120
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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For #68682
Change-Id: I13b61f915925a9ee510e0a42e95da7a83678b3b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/602215
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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These methods will not be mirrored in types2 until the
bootstrap compiler reaches go1.23; therefore range-over-func
statements must not be used in code common to types + types2.
Fixes#66626
Change-Id: I3c2c15e3652ee95d9aff208d8a188b912ed5bc9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/575455
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This is a minor cleanup from CL 600436.
For #65355.
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Change-Id: I8e27f0c6ba6bd35f4aa2b9d53c394fb5f1eb433d
Reviewed-on: https://go-review.googlesource.com/c/go/+/595116
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This change replaces the usage of the "sort" package with the "slices"
package for sorting IP addresses and DNS records. The new approach
simplifies the code and improves readability by leveraging the
slices.SortFunc and slices.SortStableFunc functions.
- Updated addrselect.go to use slices.SortStableFunc for sorting IP
addresses based on RFC 6724.
- Refactored dnsclient.go to use slices.SortFunc for sorting SRV and MX
records by priority and weight.
This change also reduces the dependency tree for the package by
removing the dependency on "sort" and its transitive dependencies,
resulting in a leaner build.
Change-Id: I436dacc8dd1e8f2f7eeac44d6719ce248394d8a9
GitHub-Last-Rev: 3720a49081
GitHub-Pull-Request: golang/go#67503
Reviewed-on: https://go-review.googlesource.com/c/go/+/586635
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Auto-Submit: Ian Lance Taylor <iant@google.com>
With this CL, the go/types and types2 recording.go files are
mostly identical except for the use of different syntax trees.
Preparation for generating go/types/recording.go from types2
sources.
Change-Id: Iea85f8554ee04f1e1f7da63f8019725ac8f6caf5
Reviewed-on: https://go-review.googlesource.com/c/go/+/602117
Reviewed-by: Tim King <taking@google.com>
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This CL simply moves recording functions into recording.go and
adjust the imports as needed. There are no other code changes.
Preparation for generating go/types/recording.go from types2
sources.
Change-Id: Idc5850462a78afb1bfce78ba216722d07c8bca1e
Reviewed-on: https://go-review.googlesource.com/c/go/+/602116
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Reviewed-by: Tim King <taking@google.com>
Add two tests that verify that MapOf sets the map NeedsKeyUpdate and
HashMightPanic flags in the created map. Missing these flags would cause
correctness issues not otherwise caught in the reflect tests.
For #54766.
Change-Id: Icd5f117e0794e7b4d1b70fa94e5afbe97c4543e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/594656
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
CL 594740 rewrote type checking of method receiver types. Because that
CL takes apart receivers "manually" rather than using the regular code
for type checking type expressions, type parameters in receiver type
expressions were only recorded as definitions (in Info.Defs).
Before that CL, such type parameters were simultaneously considered
definitions (they are declared by the receiver type expression) and
uses (they are used to instantiate the receiver type expression).
Adjust the receiver type checking code accordingly and record its
type parameters also in Info.Uses and Info.Types.
While at it, in go/types, replace declareTypeParams (plural) with
declareTypeParam (singular) to more closely match types2 code.
No functionality or semantic change.
Fixes#68670.
For #51343.
Change-Id: Ibbca1a9b92e31b0dc972052a2827deeab49da98b
Reviewed-on: https://go-review.googlesource.com/c/go/+/601935
Auto-Submit: Robert Griesemer <gri@google.com>
Reviewed-by: Tim King <taking@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Follow up suggestion in CL 596396.
Updates #54542
Change-Id: I47bf66684bb8397dc1cfbc4479e2279e59a40cfb
Reviewed-on: https://go-review.googlesource.com/c/go/+/596515
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Fix required adding $GOEXE because windows will produce a .exe file.
Fixes: #68673
Cq-Include-Trybots: luci.golang.try:gotip-linux-amd64-longtest,gotip-windows-amd64-longtest
Change-Id: I25206de362ee4be6a9c54bd1baa405f325d79313
Reviewed-on: https://go-review.googlesource.com/c/go/+/602095
Reviewed-by: Michael Matloob <matloob@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This CL creates tests for the cipher.Block interface in the cryptotest
package. This set of tests is called from the tests of implementation
of the Block interface e.g. aes_test.go and des_test.go.
Updates #25309
Change-Id: Ieea3752147c8163fc73a849cfcb8fa011205d2c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/594018
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Russell Webb <russell.webb@protonmail.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
