This is to support conversions, which are not T -> T.
Change-Id: I323887b116eee8133770a899ed82363bba38a9c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/689717
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Generated by arch/internal/simdgen CL 689735
A small number of conversions for testing purposes
Change-Id: I4d52c643d08c02794c3fea9778bb1ecbb5507de4
Reviewed-on: https://go-review.googlesource.com/c/go/+/689716
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
generated by simdgen CL 689655
(which names a different CL, because it was submitted before realizing
that git had lost a from a stack, somehow)
Change-Id: Iab2868e848c221de98995ba0c632f97e2ee97670
Reviewed-on: https://go-review.googlesource.com/c/go/+/692336
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
These all use int-vector-masked loads and stores.
Partial set of tests (for all NxK shapes, thought not all types).
Change-Id: I8f493aaa9228647e08ea5badb06dcfe716d6925d
Reviewed-on: https://go-review.googlesource.com/c/go/+/689336
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
This adds to the change in the earlier dev.simd CL.
Generated by arch/internal/simdgen CL 689276 .
Also includes one test for "it at least works once".
Change-Id: I44a268cfc3bea06c5522ac2cfa04fe13a833e1dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/689335
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This is "glue" changes and hand work for the AVX2
masked loads/stores. Does not include generated
function/method declarations or intrinsic registration.
Change-Id: Ic95f90b117d0c471f174407ce3f729f1f517b23c
Reviewed-on: https://go-review.googlesource.com/c/go/+/689295
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This pairs with CL 689275 which removes test generation from simdgen
This uses generics and attempts to encode the tests as compactly as
possible.
Some files, *_helpers_test.go, are generated.
Use t.Helper() to get the line number right for a failure.
Adds helper error return values and early exits to only report a
single test failure per operations and vector shape, for the
generated test failures.
Include the entire got and wanted vectors for that failure.
Provide an option to include the input vectors to failures, also
report the type of the test.
Sample failure test output (obtained by intentionally breaking
the "want" value for AndNot):
=== RUN TestAndNot
binary_test.go:214: For int16 vector elements:
binary_test.go:214: got =[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
binary_test.go:214: want=[-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1]
binary_test.go:214: x=[1 -1 0 2 4 8 1024 3 5 7 11 13 3000 5555 7777 11111]
binary_test.go:214: y=[1 -1 0 2 4 8 1024 3 5 7 11 13 3000 5555 7777 11111]
binary_test.go:214: at index 0, got=0, want=-1
binary_test.go:215: For int16 vector elements:
binary_test.go:215: got =[0 0 0 0 0 0 0 0]
binary_test.go:215: want=[-1 -1 -1 -1 -1 -1 -1 -1]
binary_test.go:215: x=[1 -1 0 2 4 8 1024 3]
binary_test.go:215: y=[1 -1 0 2 4 8 1024 3]
binary_test.go:215: at index 0, got=0, want=-1
binary_test.go:216: For int32 vector elements:
binary_test.go:216: got =[0 0 0 0]
binary_test.go:216: want=[-1 -1 -1 -1]
binary_test.go:216: x=[1 -1 0 2]
binary_test.go:216: y=[1 -1 0 2]
binary_test.go:216: at index 0, got=0, want=-1
(etc)
Change-Id: I0f6ee8390ebe7a2333002e9415b4d71527fa3c38
Reviewed-on: https://go-review.googlesource.com/c/go/+/686057
Reviewed-by: Junyang Shao <shaojunyang@google.com>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
This PR will be imported into Gerrit with the title and first
comment (this text) used to generate the subject and body of
the Gerrit change.
Change-Id: I3f9bc8a2459059a924a04fa02794e258957819b5
GitHub-Last-Rev: 6ad6f6a70e
GitHub-Pull-Request: golang/go#74311
Reviewed-on: https://go-review.googlesource.com/c/go/+/683215
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Ian Alexander <jitsu@google.com>
Reviewed-by: Michael Matloob <matloob@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
There is no need to have a dedicated stdcall variant for each
number of arguments. Instead, we can use a variadic function
that accepts any number of arguments and handles them uniformly.
While here, improve documentation of syscall_syscalln to make it clear
that it should not be used within the runtime package.
Change-Id: I022afc7f28d969fd7307bb2b1f4594246ac38d18
Reviewed-on: https://go-review.googlesource.com/c/go/+/691215
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Mark Freeman <mark@golang.org>
There is no need for loadlibrary, loadsystemlibrary and getprocaddress
to be implemented in the runtime and linknamed from syscall.
Change-Id: Icefd53a8e8f7012ed0c94c356be4179d5e45a01b
Reviewed-on: https://go-review.googlesource.com/c/go/+/690516
Reviewed-by: Mark Freeman <mark@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The Go toolchain has been copying files instead of moving them on
Windows since CL 72910. It did this because os.Rename doesn't respect
the destination directory ACL permissions, and we want to honor them.
The drawback is that copying files is slower than moving them.
This CL reintroduces the use of os.Rename, but it also sets the
destination file's ACL to inherit the permissions from the
destination directory.
On my computer this change speeds up a simple "go build" (with warm
cache) by 1 second, going from 3 seconds to 2 seconds.
Updates #22343
Change-Id: I65b2b6f301e9e18bf2588959764eb06b9a01dfa2
Reviewed-on: https://go-review.googlesource.com/c/go/+/691255
Reviewed-by: Mark Freeman <mark@golang.org>
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Reviewed-by: Damien Neil <dneil@google.com>
After CL 678937, we could have a situation where the value of the
stack pointer is in both SP and another register. We need to make sure
that regalloc picks SP when issuing a reference to local variables;
the assembler expects that.
Fixes#74836
Change-Id: I2ac73ece6eb44b4a78c1369f8a69e51ab9748754
Reviewed-on: https://go-review.googlesource.com/c/go/+/692395
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Mark Freeman <mark@golang.org>
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This CL is partially generated by CL 689775.
Change-Id: I0c36fd2a44706c88db1a1d5ea4a6d0b9f891d85f
Reviewed-on: https://go-review.googlesource.com/c/go/+/689795
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The module paths "go" and "toolchain" are reserved for the dependency on
the go and toolchain versions. Check for those paths in go mod init to
create modules, go mod edit, and in the module loader and return an
error when attempting to use those paths for a work module. Trying to
init or load a work module with a go.mod that specifies the module path
"go" panics since Go 1.21 (when the toolchain switching logic and the
implicit dependencies on the "go" module was introduced), and this
change returns a proper error instead of panicking.
Fixes#74784
Change-Id: I10e712f8fddbea63edaeb37e14c6d783722e623f
Reviewed-on: https://go-review.googlesource.com/c/go/+/691515
Reviewed-by: Ian Alexander <jitsu@google.com>
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Reviewed-by: Michael Matloob <matloob@google.com>
These metrics are useful for identifying finalizer and cleanup problems,
namely slow finalizers and/or cleanups holding up the queue, which can
lead to a memory leak.
Fixes#72948.
Change-Id: I1bb64a9ca751fcb462c96d986d0346e0c2894c95
Reviewed-on: https://go-review.googlesource.com/c/go/+/690396
Reviewed-by: Michael Pratt <mpratt@google.com>
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Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
We forgot to call the IsPrerelease function on FromToolchain(vers)
rather than on vers itself. IsPrerelase expects a version without the
"go" prefix. See the corresponding code in ModIsValid and ModIsPrefix
that call FromToolchain before passing the versions to IsValid and
IsLang respectively.
Fixes#74786
Change-Id: I3cf055e1348e6a9dc0334e414f06fe85eaf78024
Reviewed-on: https://go-review.googlesource.com/c/go/+/691655
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Auto-Submit: Michael Matloob <matloob@golang.org>
Reviewed-by: Michael Matloob <matloob@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Add the VECTOR FP (MINIMUM|MAXIMUM) instructions to the assembler and
use them in the compiler to implement min and max.
Note: I've allowed floating point registers to be used with the single
element instructions (those with the W instead of V prefix) to allow
easier integration into the compiler.
Change-Id: I5f80a510bd248cf483cce95f1979bf63fbae7de6
Reviewed-on: https://go-review.googlesource.com/c/go/+/684715
Reviewed-by: Keith Randall <khr@golang.org>
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Reviewed-by: Mark Freeman <mark@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Now that there is only one map implementation we can simplify names.
For #54766.
Change-Id: I6a6a636cc6a8fc5e7712c27782fc0ced7467b939
Reviewed-on: https://go-review.googlesource.com/c/go/+/691596
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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For #54766.
Change-Id: I6a6a636c40b5fe2e8b0d4a5e23933492bc8bb76e
Reviewed-on: https://go-review.googlesource.com/c/go/+/691595
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
After CL 628075, do not rely on the memory arg of an OpLocalAddr.
Fixes#74788
Change-Id: I4e893241e3949bb8f2d93c8b88cc102e155b725d
Reviewed-on: https://go-review.googlesource.com/c/go/+/691275
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Mark Freeman <mark@golang.org>
The different chacha20-poly1305 cipher suites were renamed to
include the _SHA256 suffix, which is the canonical naming convention.
The occurrences of the old names were still not updated, which can lead
to confusion when searching for the canonical names in the codebase.
Change-Id: I4f90e9cbedc3552c3481c8b0c616b6f915ddd345
Reviewed-on: https://go-review.googlesource.com/c/go/+/689135
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Same as clobbering fixed registers, but which register is clobbered
depends on which register was assigned to the input.
Add code similar to resultInArg0 processing that makes a register
copy before allowing the op to clobber the last available copy of a value.
(Will be used by subsequent CLs in this stack.)
Change-Id: I6bad88b2cb9ac3303d960ff0fb1611727292cfc4
Reviewed-on: https://go-review.googlesource.com/c/go/+/680335
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Mark Freeman <mark@golang.org>
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Get rid of large zeroing cases. We only use this code
for small things now.
Change-Id: Iba0a98785c5b4b72cf031763edb69ff741ca41af
Reviewed-on: https://go-review.googlesource.com/c/go/+/678936
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
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Reviewed-by: Mark Freeman <mark@golang.org>
Missed this change in CL 681936
Fixes#74808
Change-Id: I30f6402177c5f8efe9bd11d50fad1770a22762c5
Reviewed-on: https://go-review.googlesource.com/c/go/+/691675
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Mark Freeman <mark@golang.org>
Auto-Submit: Keith Randall <khr@google.com>
Fixing Equal method in regexp/syntax package fixes compilation of
some alternate patterns like "0A|0[aA]".
Fixes#59007
Change-Id: Idd519c6841167f932899b0ada347fb90a38a765e
GitHub-Last-Rev: 6f43cbca63
GitHub-Pull-Request: golang/go#66165
Reviewed-on: https://go-review.googlesource.com/c/go/+/569735
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Mark Freeman <mark@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
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Just using isUnsignedPowerOfTwo and log32u is enough.
Change-Id: I93d49ab71c6245d05f6507adbcb9ef2a696e75d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/691476
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
By calling logXu instead of duplicating the same ones.
Change-Id: Ide7a3ce072a6abafe1979f0158000457d90645c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/691475
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Same as CL 689815, but for modulus instead of division.
Updates #74485
Change-Id: I73000231c886a987a1093669ff207fd9117a8160
Reviewed-on: https://go-review.googlesource.com/c/go/+/689895
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Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
This info makes more sense in the flags instead of as a high
bit of the kind. This makes kind access simpler because we now
don't need to mask anything.
Cleaned up most direct field accesses to use methods instead.
(reflect making new types is the only remaining direct accessor.)
IfaceIndir -> !IsDirectIface everywhere.
gocore has been updated to handle the new location. So has delve.
TODO: any other tools need updating?
Change-Id: I123f97a4d4bdd0bff1641ee7e276d1cc0bd7e8eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/681936
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Fix incorrect expansion of "" and "." when $PATH contains an executable
file or, on Windows, a parent directory of a %PATH% element contains an
file with the same name as the %PATH% element but with one of the
%PATHEXT% extension (ex: C:\utils\bin is in PATH, and C:\utils\bin.exe
exists).
Fix incorrect expansion of ".." when $PATH contains an element which is
an the concatenation of the path to an executable file (or on Windows
a path that can be expanded to an executable by appending a %PATHEXT%
extension), a path separator and a name.
"", "." and ".." are now rejected early with ErrNotFound.
Fixes CVE-2025-47906
Fixes#74466
Change-Id: Ie50cc0a660fce8fbdc952a7f2e05c36062dcb50e
Reviewed-on: https://go-review.googlesource.com/c/go/+/685755
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Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
It is now always enabeld. The GOEXPERIMENT doesn't control
anything. Remove.
Change-Id: I50eb09f4537f90ec28152eb59a5a689127843fce
Reviewed-on: https://go-review.googlesource.com/c/go/+/684838
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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It is now always enabeld. The GOEXPERIMENT doesn't control
anything. Remove.
Change-Id: I24ecf0cd7be5d5dd20f4c558871a3ea97792055e
Reviewed-on: https://go-review.googlesource.com/c/go/+/684837
Reviewed-by: qiu laidongfeng <2645477756@qq.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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It's been true by default for a full release. It's time to remove the
old map.
Change-Id: I65507f07725e0084aabd389f37d73ade0b7dc35b
Reviewed-on: https://go-review.googlesource.com/c/go/+/690395
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Cherry Mui <cherryyz@google.com>
CL 617876 has changed the original behavior. This modification will restore it.
Change-Id: I72cce82ebed362f99da7548035435397c835c99b
GitHub-Last-Rev: 980ef25b43
GitHub-Pull-Request: golang/go#74705
Reviewed-on: https://go-review.googlesource.com/c/go/+/689436
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Knowing which goexperiments are enabled by the users is
useful information to have in the local telemetry database.
It also opens the door for uploading them in the future if
desired.
Change-Id: I12c8eaa3997dec0ed26703885f1c216676f5590d
Reviewed-on: https://go-review.googlesource.com/c/go/+/688135
Reviewed-by: Michael Matloob <matloob@google.com>
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Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Change-Id: I8fa8741e0db174f0c32af0a393ee1b037d5b7e51
Reviewed-on: https://go-review.googlesource.com/c/go/+/680455
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Mark Freeman <mark@golang.org>
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Reviewed-by: Roland Shoemaker <roland@golang.org>
Change the variable name from byte to b, and use range over int to
simplify the loop.
Change-Id: I8855053c26ce798311f12505cd5edf21d7caf1f5
GitHub-Last-Rev: 70c80545df
GitHub-Pull-Request: golang/go#74736
Reviewed-on: https://go-review.googlesource.com/c/go/+/690135
Reviewed-by: qiu laidongfeng <2645477756@qq.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Get rid of duffzero and large zeroing cases. We only use this code
for small things now.
Change-Id: Idcf330d0ac6433448efa8e32be7eb7f988e10122
Reviewed-on: https://go-review.googlesource.com/c/go/+/678619
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
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Reviewed-by: Keith Randall <khr@google.com>
Tests on Windows are dependent on the english names of system accounts
and groups.
But on a french install of Windows the system accounts are:
- AUTORITE NT\Système
- AUTORITE NT\SERVICE LOCAL
- AUTORITE NT\SERVICE RÉSEAU
To allow the tests to pass on non-english Windows we only log
differences in user/group names if GetSystemDefaultLCID() reports
a non-english LCID, instead of failing.
Change-Id: Ib81acc2896c45675fa3faf5dc390b57ec5159689
Reviewed-on: https://go-review.googlesource.com/c/go/+/688715
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Reviewed-by: Mark Freeman <mark@golang.org>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>