These rules should belong to lowering rules not optimizations.

Change-Id: I964d2c4b1d9bef0ede57...

Change-Id: I73081b85e763122be1f5c0dbab25cecc9cf809df
Reviewed-on: https://go-review.googlesource...

We have supported passing lists of arguments to the compiler and linker
for some time, since htt...

Since when go/types,types2 do not know about build constraints, and
runtime/cgo.Incomplete is on...

v.SetIterXXX(i) is semantically identical to v.Set(i.XXX()).
If the latter panics for unexported...

Same as CL 421880, but for test directory.

Updates #46731

Change-Id: If8d18df013a6833adcbd40ac...

After running the types2 type checker, walk info.Instances to reject
any not-in-heap type argume...

In go.dev/cl/419674 I added a mechanism to the inliner to allow
inlining to fail gracefully when...

Rotating by c, then by d, is the same as rotating by c+d.

Change-Id: I36df82261460ff80f7c6d39bc...

The current mknode has a few problems:
1) It tends not to run successfully if the tree is in a b...

Currently we use a full cmpstring to do the comparison for each
split in the binary search for a...

for i := 0; i < 9; i += 3

Currently we compute bounds of [0,8]. Really we know that it is [0,6]...

For #53821

Change-Id: I9f57b84f6a2c29d750fb20420daef903a9311a83
Reviewed-on: https://go-review....

Since when internal linking cgo on some platforms, like android, is not
fully supported.

Update...

The prove pass will mark some shifts bounded, and then we can use that
information to generate b...

The negation does not change the comparison to zero.

Also remove unnecessary x.Uses == 1 condit...

The result of these operations are already extended.

Change-Id: Ifc8ba362dda7035d8fd0d40046a96f...

Removes more than 2000 instructions from the Go binary on linux/risv64.

Change-Id: I6db3e3b1c93...

For #53821

Change-Id: Ib10a745799e8bc0dc1d02a9c3e5d00b2842a9edd
Reviewed-on: https://go-review....

For #53003

Change-Id: I13a761daca8b433b271a1feb711c103d9820772d
Reviewed-on: https://go-review....

For #53821

Change-Id: I246b65ddb1171d2cab42f98092c64f20ecef392a
Reviewed-on: https://go-review....

Call libc wrappers directly rather than calling using syscall(2).

Updates golang/go#36435

Chan...

A condition check was added to parse.go in CL 405542 to prevent
usage of scaled operands on ppc6...

Previously the first operand of MSR could be $0, which would be
converted to the ZR register. Th...

leve --> level

Change-Id: Ia5ff46c79c4dda2df426ec75d69e8fcede909b47
GitHub-Last-Rev: e57cad22d9...

For #53821

Change-Id: I686fe81268f70acc6a4c3e6b1d3ed0e07bb0d61c
Reviewed-on: https://go-review....

Note that this changes the non-atomic operations in p.destroy() to atomic operations.

For #5382...

For #53821

Change-Id: I1c8df255ce9e2345d4fa45bd4d1761b73b9fa064
Reviewed-on: https://go-review....

For #53821

Change-Id: I90ab52a45b7fb6b9e3ff1d6ea97251549306c7aa
Reviewed-on: https://go-review....

For #53821

Change-Id: I6ef90867e918d4907baa83c5a811f1f93e8c09a5
Reviewed-on: https://go-review....

Note that this changes a non-atomic operation to atomic operation in gcStart().

For #53821

Cha...

Updates #53821

Change-Id: Id579b2f8e48dfbe9f37e02d2fa8c94354f9887a4
Reviewed-on: https://go-rev...

And add some documentation for the debug query param.

Fixes #27737
Fixes #53971

Change-Id: I62...

Fixes #45928.

Change-Id: Ifbb0effbca4ab7c0eb56069fee40edb564553c35
Reviewed-on: https://go-revi...

If x+delta cannot overflow/underflow, we can derive:
x+delta < x if delta<0 (this CL included)...

Do not intercept integer compares that are used to increment libFuzzer's
8-bit counters. This is...

Change-Id: I2cc62efb7bb3b47f1ee3ed0bb77e35c47e2df9a1
GitHub-Last-Rev: 106cb494de6fb08302018bff55...

go:notinheap will be replaced by runtime/internal/sys.NotInHeap, and for
longer term, we want to...

Looks like CL 413361 which added CaseClause.RTypes missed the need
to regenerate this file.

Als...

It's unnecessary to to call atomic.AddInt32 since there is a mutex lock.

Change-Id: I31fcece17c...

For #20322
For #51572
Fixes #54712

Change-Id: I22fcfa820e83323bfdf1a40deee7286240f02b3e
GitHub-...

CL 327871 changes methodWrapper to always perform inlining after global
escape analysis. However...

Shape-based stenciling in unified IR is done by converting type argument
to its underlying type....

For #53725

Change-Id: I99a85b437d5f918dba74c4eccefcf8087193646a
Reviewed-on: https://go-review....

When a base+displacement kind of operand is given in an index-mode
instruction, the assembler do...

This CL enable sha512 for arm64 and ~390% performance
improvement.

Contributed under the Go Lic...

Benchmark on crypto/sha256 (provided by Xiaodong Liu):
name old time/op new tim...

Reference: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html

Change-Id:...

When spilling arg to stack or register, if it's a newly created value,
the arg position should b...

The current implementation always returns false for non-comparable
values, update the doc to ref...

cgo builds with -compiler=gccgo are broken as of CL 421879.

For #54761.
Updates #46731.

Change...

CL 426079 started checking errors from RecentTag.
Unfortunately, we forgot to run "-longtest" Sl...

Change-Id: I021fbc9786a3e3f858770fe3e109a0de487390d8
Reviewed-on: https://go-review.googlesource...

Change-Id: I3d8a9b901efabe62f432c06361826f46c78d2605
Reviewed-on: https://go-review.googlesource...

There was no noticeable change in performance.

Change-Id: I9c57bf836c8b6066e0620afb3d536ce99e4b...

Avoid allocating large amounts of memory for corrupt input.

No test case because the problem ca...

The existing documentation did not explain the difference between
placing a _test.go file in the...

The existing implementation creates more branches with more states: -1, 0, 1,
which makes it not...

In initLocal for GOOS=js, use internal/itoa introduced in CL 301549
instead of a local implement...

Change-Id: Iebe31b91c6e81438120f50a8089a8efca3d5339d
Reviewed-on: https://go-review.googlesource...

Change-Id: Ice7e3762d4a1d71e23d619be699697f5c6523cc5
Reviewed-on: https://go-review.googlesource...

The current implementation ignores the error when it tries to get
the recent tag on revisions, w...

Time.appendFormatRFC3339 is a specialized implementation of
Time.appendFormat. We expect the two...

assosciated -> associated

Change-Id: Id1cbbdea12f0239a9e173ece934c18cc9ffcf0f4
GitHub-Last-Rev:...

FileServer provides a read-only service. Methods other than GET or HEAD should
be denied with an...

Previously the first operand of FMOVD and FMOVS could be $0, which
would be converted to the ZR ...

If array element is not interface, array or struct, we just need to
check whether the array elem...

Prior to this commit, png.Decode would allow TrueColor PNG images that
have one but not both of ...

Change-Id: Ic3464e95ad8901df5477d7717760b8c6d08ce97b
Reviewed-on: https://go-review.googlesource...

Fixes #54048

Change-Id: I27350af451ff50532856092f2d99b6cc6dc6743d
Reviewed-on: https://go-revie...

uint32(sz) != n*uint32(ddSz) can go wrong if
the RHS overflows, so do it in wider precision.

Fi...

Updates #46731

Change-Id: Ia83f27c177cc2f57e240cb5c6708d4552423f5be
Reviewed-on: https://go-rev...

After this CL, the performance difference in crypto/elliptic
benchmarks on linux/riscv64 are:

n...

According to RISCV instruction set manual v2.2 Sec 2.4, we can
implement overflowing check for u...

Correctly set this flag while parsing the syscall result.

The FlagUp flag can not distinguish t...

R_PPC64_SECTOFF_LO_DS is defined as reloc 62 on all PPC64 ELF ABIs.

Fixes #53356

Change-Id: I5...

Fixes #53995

Change-Id: Ib0de237b57382feb6b8070f2310945aef6c7db01
Reviewed-on: https://go-revie...

For #46746

Change-Id: I879124974cdb55932cd9d07d3b384d49d5059857
Reviewed-on: https://go-review....

A recent change was made for ppc64x to treat ANDCCconst as
a tuple, allowing ANDconst to be remo...

Fixes #54408

Change-Id: I454199ae5bcd087b8fc4169b7622412105e71113
GitHub-Last-Rev: a33fe7e206d0...

updates #44853

Change-Id: I71905ee1bcb99ce7300bbed2daad3617d2643c53
Reviewed-on: https://go-rev...

This removes one of the branches in the atomicCas sequences for
ppc64/ppc64le.

Change-Id: Ibb46...

Both FileServer and NewFileTransport can try to seek a file, specifically
when MIME type sniffin...

To make it easier to extract the HTTP/2 error code (if any) from
net/http errors, implement an A...

After CL 419449, timeHistogram always have 8-byte alignment.

Change-Id: I93145502bcafa1712b811b...

Fixes #48866

Change-Id: I2bd2c806e44eb4064b1fb9a6509d79cecbbef013
Reviewed-on: https://go-revie...

Atomic types may be used anywhere in the runtime,
so they must omit its usual stack overflow che...

Fixes #40222

name old time/op new time/op delta
Splice/tcp-to-tc...

assistTimePool and lastUpdate are now atomic.Int64, so they are
guaranteed to have 64-bit alignm...

Change-Id: I9e59530953439dec6f4524c5a7adc75c98c12b8f
Reviewed-on: https://go-review.googlesource...

Change-Id: Ia4214a29775f1178273b9b7dc84c0420bfa968de
Reviewed-on: https://go-review.googlesource...

Avoid allocating large amounts of memory for corrupt input.

No test case because the problem ca...

This fixes a regression introduced when the "race" mode tag was moved to
the ToolTags field in C...

Change-Id: I95c941f83f74d57dfdd2d6803c9059691fb649b8
Reviewed-on: https://go-review.googlesource...

Updates #53563

Change-Id: I35a3fd56718e198f68cbf73075a78b2fbc66bd7d
Reviewed-on: https://go-rev...

The v.SetZero method is a faster equivalent of v.Set(Zero(v.Type())).

Performance:

...

Note that this changes a few unsynchronized operations of forcegcstate.idle to synchronized oper...

On the write side, g.selectDone has been converted
from non-atomic to atomic access.

For #53821...

For #53821

Change-Id: Ib096332fe6111bbcd2f5c4cbb29c2fef7a808e7e
Reviewed-on: https://go-review....

Note that this changes a non-atomic operation to atomic operation.

For #53821

Change-Id: I7989...