hex is in fact immutable, declare it as a const to avoid accidental
modification, also for consistency with other packages.
Change-Id: I99f292e98c82d4c4526e46c9897d154d0c073da5
GitHub-Last-Rev: d2f06965e7
GitHub-Pull-Request: golang/go#62011
Reviewed-on: https://go-review.googlesource.com/c/go/+/519155
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Change-Id: I26be9a9faa27c6c03cf8b9dec5908d8617d61312
Reviewed-on: https://go-review.googlesource.com/c/go/+/518276
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This is encoded similarly to RLDICL, but can clear the least
significant bits.
Likewise, update the auxint encoding of RLDICL to match those
used by the rotate and mask word ssa opcodes for easier usage
within lowering rules. The RLDICL ssa opcode is not used yet.
Change-Id: I42486dd95714a3e8e2f19ab237a6cf3af520c905
Reviewed-on: https://go-review.googlesource.com/c/go/+/515575
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
The documentation of io.EOF: Read must return EOF itself, not an error
wrapping EOF, because callers will test for EOF using ==.
encoding/json package provides an example "ExampleDecoder" which uses
"err == io.EOF" as well, so I think it's more idiomatic to use == to test for io.EOF.
Change-Id: I8a9f06d655ca63b3ec3e7dbbdfc519a2686980e1
GitHub-Last-Rev: 665929e2a2
GitHub-Pull-Request: golang/go#62012
Reviewed-on: https://go-review.googlesource.com/c/go/+/519156
Auto-Submit: Bryan Mills <bcmills@google.com>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
This never belonged in escape analysis, but the non-unified generics
frontend didn't use typecheck. That frontend is gone, so now we can
desugar it earlier.
Change-Id: I70f34a851f27fce1133777c5eeca0f549fc60ede
Reviewed-on: https://go-review.googlesource.com/c/go/+/518958
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Keeps the top-level loop in Main slightly cleaner.
Change-Id: I9c8d38d4bbb34d53edc0796893534763e9eef2f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/518957
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Remove these in favor of the explicit *At variants that take a
src.XPos.
Change-Id: I2c095b75e43b58fe31e3e1b15c811a66ac5a0f83
Reviewed-on: https://go-review.googlesource.com/c/go/+/518956
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Instead of having the inliner specially recognize that eq/hash
functions can't be inlined, change the geneq and genhash to mark them
as //go:noinline.
This is a prereq for a subsequent CL that will move more logic for
handling rtypes from package types to package reflectdata.
Change-Id: I091a9ededcc083fe8305cf5443a9af7d3a9053b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/518955
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Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Skip the gotoolchain_net script test if any new-ish GOEXPERIMENT is
set, since it will fail under these circumstances.
Updates #62106.
Change-Id: Idfef8af7246a3fbe6481347872a94fe64bbaed7f
Reviewed-on: https://go-review.googlesource.com/c/go/+/519195
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
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On Darwin (and assume also on iOS but not sure), notetsleepg
cannot be called in a signal-handling context. Avoid this
by disabling block reads on Darwin.
An alternate approach was to add "sigNote" with a pipe-based
implementation on Darwin, but that ultimately would have required
at least one more linkname between runtime and syscall to avoid
racing with fork and opening the pipe, so, not.
Fixes#61768.
Change-Id: I0e8dd4abf9a606a3ff73fc37c3bd75f55924e07e
Reviewed-on: https://go-review.googlesource.com/c/go/+/518836
Run-TryBot: David Chase <drchase@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Relocate the definitions in cmddefs.go (used by the compiler and
the cover tool) to a separate package "covcmd". No change
in functionality, this is a pure refactoring, in preparation
for a subsequent change that will require updating the
imports for the package.
Change-Id: Ic1d277c94d9a574de0a11ec5ed77e892302b9a47
Reviewed-on: https://go-review.googlesource.com/c/go/+/517696
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Auto-Submit: Than McIntosh <thanm@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Most architectures have a crosscall1 function that takes a function
pointer, a setg_gcc function pointer and a g pointer. However,
crosscall_386 only takes a function pointer and the call to setg_gcc
is performed in the thread entry function.
Rename crosscall_386 to crosscall1 for consistency with other
architectures, as well as standardising the API - while not strictly
necessary, it will allow for further deduplication as the calling
code becomes more consistent.
Change-Id: I77cf42e1e15e0a4c5802359849a849c32cebd92f
Reviewed-on: https://go-review.googlesource.com/c/go/+/518618
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This reduces inconsistency with other architectures and will allow
for further code deduplication.
Change-Id: I5becbf29af2ef714974b5e338f869281f2b4de8e
Reviewed-on: https://go-review.googlesource.com/c/go/+/518617
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
The Content-Length must be a valid numeric value, empty values should not be accepted.
See: https://www.rfc-editor.org/rfc/rfc9110.html#name-content-lengthFixes#61679
Change-Id: Icbcd933087fe5e50199b62ff34c58bf92a09d3d4
GitHub-Last-Rev: 932e46b55b
GitHub-Pull-Request: golang/go#61865
Reviewed-on: https://go-review.googlesource.com/c/go/+/517336
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
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This CL removes a bunch of obsolete code, which made the overall
possible data flow of the compiler much harder to understand. In
particular, it:
1. Removes typecheck.Declare by inlining its only two remaining uses,
and simplifying them down to just the couple of relevant assignments
for each remaining caller.
2. Renames ir.Package.{Asms,Exports} to {AsmHdrDecls,PluginExports},
respectively, to better describe what they're used for. In particular,
PluginExports now actually holds only the subset of Exports that used
to be confusingly called "ptabs" in package reflectdata.
3. Renames reflectdata.WriteTabs to reflectdata.WritePluginTable, to
make it clearer what it does.
4. Removes the consistency checks on len(Exports) and len(ptabs),
since now it's plainly obvious that only the unified importer ever
appends to PluginExports.
Change-Id: Iedc9d0a4e7648de4e734f7e3e7df302580fed542
Reviewed-on: https://go-review.googlesource.com/c/go/+/518757
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Keith Randall <khr@golang.org>
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KDSA(Compute Digital Signature Authentication) instruction provides
support for the signing and verification of elliptic curves
Change-Id: I19996a307162dd4f476a1cfe4f8d1a74a609e6c1
Reviewed-on: https://go-review.googlesource.com/c/go/+/503215
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
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Even if a block is empty, we need to keep track of whether the
end-of-block instructions are preemptible.
This CL allows us to not mark the load+compare in instruction
sequences like
CMPL $0, runtime·writeBarrier(SB)
JEQ ...
Before, we had to mark the CMPL as uninterruptible because there
was no way to mark just the JEQ. Now there is, so there is no need
to mark the CMPL itself.
Change-Id: I4c27c0dc211c03b14637d420899cd2c2cccf3493
Reviewed-on: https://go-review.googlesource.com/c/go/+/518539
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@google.com>
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There's no need for separate fixups phases anymore.
Change-Id: Ie30a75bda4d326aa9811db3b3bd1dade0b242706
Reviewed-on: https://go-review.googlesource.com/c/go/+/517858
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Decls used to contain initializer statement for package-level
variables, but now it only contains ir.Funcs. So we might as well
rename it to Funcs and tighten its type to []*ir.Func.
Similarly, Externs always contains *ir.Names, so its type can be
constrained too.
Change-Id: I85b833e2f83d9d3559ab0ef8ab5d8324f4bc37b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/517855
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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This CL moves the early deadcode elimination pass into the unified
writer. This allows shrinking the export data, by simplifying
expressions and removing unreachable statements. It also means we
don't need to repeatedly apply deadcode elimination on inlined calls
or instantiated generics.
Change-Id: I19bdb04861e50815fccdab39790f4aaa076121fd
Reviewed-on: https://go-review.googlesource.com/c/go/+/517775
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
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types2 already computes the order that package-level variables need to
be initialized in. Start using it.
Change-Id: Idf2740f963b8146f7c927f57effdbf245f41d355
Reviewed-on: https://go-review.googlesource.com/c/go/+/517617
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Various tools expect tar files to contain entries for directories.
I dropped them when writing cmd/distpack because they're not
strictly necessary and omitting them saves space, but it also
turns out to break some things, so add them back.
We will backport this to release-branch.go1.21 so that Go 1.21.1
will include the directory entries. We can't do anything about
Go 1.21.0 retroactively.
% tar tzvf go1.22rsc1.src.tar.gz | sed 10q
drwxr-xr-x 0 0 0 0 Aug 10 10:07 go/
-rw-r--r-- 0 0 0 1337 Aug 10 10:07 go/CONTRIBUTING.md
-rw-r--r-- 0 0 0 1479 Aug 10 10:07 go/LICENSE
-rw-r--r-- 0 0 0 1303 Aug 10 10:07 go/PATENTS
-rw-r--r-- 0 0 0 1455 Aug 10 10:07 go/README.md
-rw-r--r-- 0 0 0 419 Aug 10 10:07 go/SECURITY.md
-rw-r--r-- 0 0 0 42 Aug 10 10:07 go/VERSION
drwxr-xr-x 0 0 0 0 Aug 10 10:07 go/api/
-rw-r--r-- 0 0 0 1142 Aug 10 10:07 go/api/README
-rw-r--r-- 0 0 0 35424 Aug 10 10:07 go/api/except.txt
% tar tzvf go1.22rsc1.darwin-amd64.tar.gz | sed 10q
drwxr-xr-x 0 0 0 0 Aug 10 10:07 go/
-rw-r--r-- 0 0 0 1337 Aug 10 10:07 go/CONTRIBUTING.md
-rw-r--r-- 0 0 0 1479 Aug 10 10:07 go/LICENSE
-rw-r--r-- 0 0 0 1303 Aug 10 10:07 go/PATENTS
-rw-r--r-- 0 0 0 1455 Aug 10 10:07 go/README.md
-rw-r--r-- 0 0 0 419 Aug 10 10:07 go/SECURITY.md
-rw-r--r-- 0 0 0 42 Aug 10 10:07 go/VERSION
drwxr-xr-x 0 0 0 0 Aug 10 10:07 go/api/
-rw-r--r-- 0 0 0 1142 Aug 10 10:07 go/api/README
-rw-r--r-- 0 0 0 35424 Aug 10 10:07 go/api/except.txt
%
Fixes#61862.
Change-Id: Iecd9ba893015295e88715b031b79a104236b9ced
Reviewed-on: https://go-review.googlesource.com/c/go/+/518335
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Reviewed-by: Heschi Kreinick <heschi@google.com>
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time.Since(base) is an idiom that can be used to read the system
monotonic time as efficiently as possible, when that matters.
The current code structure adds a few nanoseconds on top of
the 15-20ns the time read already takes. Remove those few.
After this CL, there is no reason at all for anyone to
//go:linkname runtime.nanotime1 instead.
Came up while investigating #61765.
Change-Id: Ic9e688af039babfc2a5a8e67dcbb02847a5eb686
Reviewed-on: https://go-review.googlesource.com/c/go/+/518336
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Change-Id: Iab170943e6e80ffe08bb061e563c106b53740372
Change-Id: Iab170943e6e80ffe08bb061e563c106b53740372
GitHub-Last-Rev: 2964e03f1f
GitHub-Pull-Request: golang/go#61828
Reviewed-on: https://go-review.googlesource.com/c/go/+/516875
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Reviewed-by: Russ Cox <rsc@golang.org>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This packages already contains other similar functions. Also add a test
for it.
Change-Id: Iafa8c14f5cb1f5ef89a0e16ccc855c568a3b5727
Reviewed-on: https://go-review.googlesource.com/c/go/+/518317
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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It was added by CL 288792 but was never used.
Change-Id: I0c21237c0c32ee5df2ebe99b6ecd8831f9c28649
Reviewed-on: https://go-review.googlesource.com/c/go/+/518316
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Reviewed-by: Michael Knyszek <mknyszek@google.com>
Change-Id: I9e95806116a8547ec782f66226d1b1382c6156de
Change-Id: I9e95806116a8547ec782f66226d1b1382c6156de
GitHub-Last-Rev: 5b4ce994c1
GitHub-Pull-Request: golang/go#61829
Reviewed-on: https://go-review.googlesource.com/c/go/+/516895
Auto-Submit: Ian Lance Taylor <iant@google.com>
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modules.txt gets a new ## workspace line at the start of the file if
it's generated in workspace mode. Then, when deciding whether the go
command runs in mod=vendor, we only do so if we're in the same mode
(workspace or not) as the modules.txt specifies.
For #60056
Change-Id: If478a9891a7135614326fcb80c4c33a431e4e531
Reviewed-on: https://go-review.googlesource.com/c/go/+/513756
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Makes it more convenient to add new bisection targets.
Change-Id: I7ac14018bac1e25751234a2267f8747a281b6088
Reviewed-on: https://go-review.googlesource.com/c/go/+/517616
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Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: David Chase <drchase@google.com>
The branch itself can't be marked, so we ensure we mark the last
ssa.Value in the block as uninterruptible, because that's where the
branch ends up getting its uninterruptibility from.
This is somewhat conservative, as we're marking an instruction as
uninterruptible that doesn't need to be. But it is an easy fix.
TODO: figure out a test
Change-Id: Icd314f0bbdce8f80019bafb9e861baca4e7ecbb1
Reviewed-on: https://go-review.googlesource.com/c/go/+/518055
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Add a new GODEBUG setting, tlsmaxrsasize, which allows controlling the
maximum RSA key size we will accept during TLS handshakes.
Change-Id: I52f060be132014d219f4cd438f59990011a35c96
Reviewed-on: https://go-review.googlesource.com/c/go/+/517495
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
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Split out the code that computes the initial inline "hairyness" budget
for a function so that it can be reused (in a later patch). This is a
pure refactoring; no change in compiler functionality.
Change-Id: I9b1b7b10a7c480559b837492b10eb08771b7a145
Reviewed-on: https://go-review.googlesource.com/c/go/+/514795
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Reviewed-by: Keith Randall <khr@golang.org>
Rename the ir-local function "reassigned" to "Reassigned" so that it
can be used as part of inline heuristic analysis. Fix up the header
comment along that way, which had some stale material. Add support for
detecting reassignments via OASOP (as opposed to just simple
assignments).
Updates #61502.
Change-Id: I50f40f81263c0d7f61f30fcf0258f0b0f93acdca
Reviewed-on: https://go-review.googlesource.com/c/go/+/511560
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Add some machinery to support computing function "properties" for use
in driving inlining heuristics, and a unit testing framework to check
to see if the property computations are correct for a given set of
canned Go source files. This CL is mainly the analysis skeleton and a
testing framework; the code to compute the actual props will arrive in
a later patch.
Updates #61502.
Change-Id: I7970b64f713d17d7fdd7e8e9ccc7d9b0490571bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/511557
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Add definitions for a set of Go function "properties" intended to be
useful for driving inlining decisions. This CL just defines a set of
flags and a container to hold them; a subsequent CL will add code to
compute the properties for a function given its IR/AST representation.
Updates #61502.
Change-Id: Ifa26c1ad055c02ca0ce9cf37078cee7b3385e18a
Reviewed-on: https://go-review.googlesource.com/c/go/+/511556
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Reviewed-by: Than McIntosh <thanm@google.com>
The URL return value from the fetch helper in web.get was always
either the passed in URL (on success) or nil (on failure).
Remove it to reduce code complexity.
For #61877.
Change-Id: I0ce4602b921d1c996aa988e7d3f83996511ccd72
Reviewed-on: https://go-review.googlesource.com/c/go/+/518016
Run-TryBot: Bryan Mills <bcmills@google.com>
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Auto-Submit: Bryan Mills <bcmills@google.com>
The -pgo build setting is added late, so sort it into place.
Noticed while working on CL 504536.
Change-Id: I080d2389dc0b3176fb72c9e2434e5f3ae70e294e
Reviewed-on: https://go-review.googlesource.com/c/go/+/504537
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This flag is not terribly useful with the go command, which will pass
all environment variables through to subprocesses it invokes,
but it can be useful in other build systems, notably blaze and bazel,
to pass compiler-debugging variables like GOSSAFUNC through to
the compiler.
We have been maintaining this as a patch against Google's internal
toolchain for many years, and it has proven useful in those non-go-command
contexts.
Change-Id: Ic123193319f3c838a694eda2575347c516b85ac7
Reviewed-on: https://go-review.googlesource.com/c/go/+/507977
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
In CL 517755 the test was added in the unconstrained os_test.go
because it appeared to be portable, but it turned out not to be
valid on plan9.
(The build error was masked on the misc-compile TryBots by #61923.)
Although the test can also compile and run on Windows, the bug it
checks for is specific to Linux and only really needs to run there, so
I am moving it to os_unix_test.go instead of adding yet another test
file for “Unix and Windows but not Plan 9”.
Updates #60181.
Change-Id: I41fd11b288217e95652b5daa72460c0d26bde606
Reviewed-on: https://go-review.googlesource.com/c/go/+/518255
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Change-Id: I097a2941f1d1a7fd98ccf1534940d03f47ac3229
Reviewed-on: https://go-review.googlesource.com/c/go/+/517675
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
For #50102
Change-Id: I28b5579611b07952b6379bc4603daf29a86a3be0
Reviewed-on: https://go-review.googlesource.com/c/go/+/518056
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Tianon Gravi (Andrew) <admwiggin@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Most of repetitive rules in riscv64 are simple, so that we can simplify and fold it with | without losting rules readability.
No change in the actual compiler code after running rulegen.
Change-Id: Id0bbfd93e63b49b7f66ecb62eb9440b4900c7938
Reviewed-on: https://go-review.googlesource.com/c/go/+/498455
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: M Zhuo <mzh@golangcn.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: M Zhuo <mzh@golangcn.org>
On amd64, the 8-byte move instruction is MOVQ, not MOVD.
Change-Id: I48d9b6f5f9f6c7f2e3fe20fd017b816cfb3983a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/517635
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Before CL 494915, this test would fail on Linux in io.Copy with error
"write /dev/stdout: copy_file_range: bad file descriptor" because the
copy_file_range syscall doesn't support destination files opened with
O_APPEND, see
https://man7.org/linux/man-pages/man2/copy_file_range.2.html#ERRORS
For #60181
Change-Id: I2eb4bcac71175121821e0033eb2297a2bc4ec759
Reviewed-on: https://go-review.googlesource.com/c/go/+/517755
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
