Split the list of CA certificate directory locations in root_unix.go by
GOOS (aix, *bsd, js, linux, solaris).
On solaris, also include /etc/certs/CA as documented here:
https://docs.oracle.com/cd/E37838_01/html/E61024/kmf-cacerts.html
Same as CL 2208 did for certFiles.
Change-Id: Id24822d6a674bbbbf4088ebb8fe8437edad232b7
Reviewed-on: https://go-review.googlesource.com/c/go/+/248762
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
NetBSD does not supply AT_HWCAP, however we still need to initialise
cpu.HWCaps. For now specify the bare minimum until we add some form of
capabilities detection. See
https://golang.org/issue/30824#issuecomment-494901591
Follows CL 174129 which did the same for openbsd/arm64.
Updates #30824
Change-Id: I43a86b583bc60d259a66772703de06970124bb7f
Reviewed-on: https://go-review.googlesource.com/c/go/+/257998
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
The linker prunes methods that are not directly reachable if the
receiver type is never converted to interface. Currently, this
"never" is too strong: it is invalidated even if the interface
conversion is in an unreachable function. This CL improves it by
only considering interface conversions in reachable code. To do
that, we introduce a marker relocation R_USEIFACE, which marks
the target symbol as UsedInIface if the source symbol is reached.
binary size before after
cmd/compile 18897528 18887400
cmd/go 13607372 13470652
Change-Id: I66c6b69eeff9ae02d84d2e6f2bc7f1b29dd53910
Reviewed-on: https://go-review.googlesource.com/c/go/+/256797
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
As part of type checking make's arguments, we were converting untyped
float and complex constant arguments to integers. However, we were
doing this without concern for whether the argument was a declared
constant. Thus a call like "make([]T, n)" could change n from an
untyped float or untyped complex to an untyped integer.
The fix here is to simply change checkmake to not call SetVal, which
will be handled by defaultlit anyway. However, we also need to
properly return the defaultlit result value to the caller, so
checkmake's *Node parameter is also changed to **Node.
Fixes#41680.
Change-Id: I858927a052f384ec38684570d37b10a6906961f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/257966
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Adds a benchmark for TB.Helper, to use as a judge of future
improvements like CL 231717.
Change-Id: I17c40d482fc12caa3eb2c1cda39fd8c42356b422
Reviewed-on: https://go-review.googlesource.com/c/go/+/257317
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
Rather than generating the three possible RSA PSS parameters each time
they are needed just hardcode them and pick the required one based on
the hash function.
Fixes#41407
Change-Id: Id43bdaf40b3ca82c4c04c6588e3b643f63107657
Reviewed-on: https://go-review.googlesource.com/c/go/+/258037
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
This adds support for the extswsli instruction which combines
extsw followed by a shift.
New benchmark demonstrates the improvement:
name old time/op new time/op delta
ExtShift 1.34µs ± 0% 1.30µs ± 0% -3.15% (p=0.057 n=4+3)
Change-Id: I21b410676fdf15d20e0cbbaa75d7c6dcd3bbb7b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/257017
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Carlos Eduardo Seo <carlos.seo@gmail.com>
Trust: Lynn Boger <laboger@linux.vnet.ibm.com>
Updates Reader.ReadForm to check for overflow errors that may
result from a leeway addition of 10MiB to the input argument
maxMemory.
Fixes#40430
Change-Id: I510b8966c95c51d04695ba9d08fcfe005fd11a5d
Reviewed-on: https://go-review.googlesource.com/c/go/+/247477
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
When explaining why the slice from a make() call escapes for the -m -m
message, we print "non-const size" if any one of Isconst(n.Left) and
Isconst(n.Right) return false; but for OMAKESLICE nodes with no cap,
n.Right is nil, so Isconst(n.Right, CTINT) will be always false.
Only call Isconst on n.Right if it's not nil.
Fixes#41635
Change-Id: I8729801a9b234b68ae40adad64d66fa7653adf09
Reviewed-on: https://go-review.googlesource.com/c/go/+/257641
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
ENOTSUP was used as a signaling error in the custom implementation of
syscall.Getwd to fall back to the slow algorithm. Since CL 257637 Getwd
directly calls the respective function from libSystem.dylib which can no
longer return ENOTSUP.
Change-Id: I8e65e42b3ea069bf78969a29f2af1c55552e2949
Reviewed-on: https://go-review.googlesource.com/c/go/+/257644
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This CL revises the document of File.Fd that explicitly points
its user to runtime.SetFinalizer where contains the information
that a file descriptor could be closed in a finalizer and therefore
causes a failure in syscall.Write if runtime.KeepAlive is not invoked.
The CL also suggests an alternative of File.Fd towards File.SyscallConn.
Fixes#41505
Change-Id: I6816f0157add48b649bf1fb793cf19dcea6894b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/256899
Reviewed-by: Rob Pike <r@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
Allow Windows absolute paths, also fixed URI decoding on Windows.
Added a test, reorganized to make the test cleaner.
Also put some doc comments on exported functions that did not have them.
Fixes#41614.
Change-Id: I2871be0e5183fbd53ffb309896d6fe56c15a7727
Reviewed-on: https://go-review.googlesource.com/c/go/+/257677
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
On netbsd/arm64 `uname -m` reports `evbarm` which is mapped to
gohostarch=arm. Fix this by checking for "aarch64" in `uname -p` output
to fix self-hosted build on netbsd/arm64.
Updates #30824
Change-Id: I0f0450ff35af0bec51aeec3b210143ba892216c6
Reviewed-on: https://go-review.googlesource.com/c/go/+/257643
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Directly wrap the getcwd implementation provided by libSystem.dylib on
darwin and use it to implement Getwd like on the BSDs. This allows to
drop the custom implementation using getAttrList and to merge the
implementation of Getwd for darwin and the BSDs in syscall_bsd.go.
Same as CL 257497 did for golang.org/x/sys/unix
Change-Id: If30390c4c17cd463bb8fdcb5465f40d6fa11f391
Reviewed-on: https://go-review.googlesource.com/c/go/+/257637
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Direct syscalls using syscall numbers are no longer supported on darwin
since Go 1.12, see https://golang.org/doc/go1.12#darwin. Also,
/usr/include/sys/syscall.h is no longer available on recent macOS
versions, so remove the generating script.
Change-Id: I8e2579c3d0e94a61fc041d06280149ec6ccf13e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/257638
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Pick up GOOS=ios changes.
This is done by
cd $GOROOT/src
go get -d golang.org/x/net@latest
go mod tidy
go mod vendor
go get -d golang.org/x/sys@latest
go mod tidy
go mod vendor
cd $GOROOT/src/cmd
go get -d golang.org/x/sys@latest
go mod tidy
go mod vendor
Updates #38485.
Change-Id: Ic2b54febb1f851814c9d76c4b55a8837ac4779f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/257618
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
acquireLockRank and releaseLockRank are called from nosplit context, and
thus must be nosplit.
lockWithRank, unlockWithRank, and lockWithRankMayAcquire are called from
spittable context, and thus don't strictly need to be nosplit.
The stated reasoning for making these functions nosplit is to avoid
re-entrant calls due to a stack split on function entry taking a lock.
There are two potential issues at play here:
1. A stack split on function entry adds a new lock ordering edge before
we (a) take lock l, or (b) release lock l.
2. A stack split in a child call (such as to lock2) introduces a new
lock ordering edge _in the wrong order_ because e.g., in the case of
lockWithRank, we've noted that l is taken, but the stack split in
lock2 actually takes stack split locks _before_ l is actually locked.
(1) is indeed avoided by marking these functions nosplit, but this is
really just a bit of duct tape that generally has no effect overall. Any
earlier call can have a stack split and introduce the same new edge.
This includes lock/unlock which are not nosplit!
I began this CL as a change to extend nosplit to lock and unlock to try
to make this mitigation more effective, but I've realized that as long
as there is a _single_ nosplit call between a lock and unlock, we can
end up with the edge. There seems to be few enough cases without any
calls that is does not seem worth the extra cognitive load to extend
nosplit throughout all of the locking functions.
(2) is a real issue which would cause incorrect ordering, but it is
already handled by switching to the system stack before recording the
lock ordering. Adding / removing nosplit has no effect on this issue.
Change-Id: I94fbd21b2bf928dbf1bf71aabb6788fc0a012829
Reviewed-on: https://go-review.googlesource.com/c/go/+/254367
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Trust: Michael Pratt <mpratt@google.com>
The rules for go:notinheap were recently tweaked to disallow stack
allocation (CL 249917). This CL updates the documentation about
go:notinheap in runtime/HACKING.md.
Change-Id: Ibca5d9b9d02e1c22c6af1d303aa84c6303a86d92
Reviewed-on: https://go-review.googlesource.com/c/go/+/257357
Trust: Austin Clements <austin@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
We grow the backing store on append by 2x for small sizes and 1.25x
for large sizes. The threshold we use for picking the growth factor
used to depend on the old length, not the old capacity. That's kind of
unfortunate, because then doing append(s, 0, 0) and append(append(s,
0), 0) do different things. (If s has one more spot available, then
the former expression chooses its growth based on len(s) and the
latter on len(s)+1.) If we instead use the old capacity, we get more
consistent behavior. (Both expressions use len(s)+1 == cap(s) to
decide.)
Fixes#41239
Change-Id: I40686471d256edd72ec92aef973a89b52e235d4b
Reviewed-on: https://go-review.googlesource.com/c/go/+/257338
Trust: Keith Randall <khr@golang.org>
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
The CL 249758 added `FMOVQ $vcon, Vd` instruction and assembler used
128-bit simd literal-loading to load `$vcon` from pool into 128-bit vector
register `Vd`. Because Go does not have 128-bit integers for now, the
assembler will report an error of `immediate out of range` when
assembleing `FMOVQ $0x123456789abcdef0123456789abcdef, V0` instruction.
This patch lets 128-bit integers take two 64-bit operands, for the high
and low parts separately and adds `VMOVQ $hi, $lo, Vd` instruction to
move `$hi<<64+$lo' into 128-bit register `Vd`.
In addition, this patch renames `FMOVQ/FMOVD/FMOVS` ops to 'VMOVQ/VMOVD/VMOVS'
and uses them to move 128-bit, 64-bit and 32-bit constants into vector
registers, respectively
Update the go doc.
Fixes#40725
Change-Id: Ia3c83bb6463f104d2bee960905053a97299e0a3a
Reviewed-on: https://go-review.googlesource.com/c/go/+/255900
Trust: fannie zhang <Fannie.Zhang@arm.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
The 387 port needs to load a floating-point control word from a
global location to implement float32 arithmetic.
When compiling with -pie, loading that control word clobbers an
integer register. If that register had something important in it, boom.
Fix by using LEAL to materialize the address of the global location
first. LEAL with -pie works because the destination register is
used as the scratch register.
387 support is about to go away (#40255), so this will need to be
backported to have any effect.
No test. I have one, but it requires building with -pie, which
requires cgo. Our testing infrastructure doesn't make that easy.
Not worth it for a port which is about to vanish.
Fixes#41503
Change-Id: I140f9fc8fdce4e74a52c2c046e2bd30ae476d295
Reviewed-on: https://go-review.googlesource.com/c/go/+/257277
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Keith Randall <khr@golang.org>
In CL 255718 the -S=2 assembly output was enhanced to dump symbol
ABIs. This patch fixes a bug in that CL: when dumping the relocations
on a symbol, we were dumping the symbol's ABI as opposed to the
relocation target symbol's ABI.
Change-Id: I134128687757f549fa37b998cff1290765889140
Reviewed-on: https://go-review.googlesource.com/c/go/+/257202
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Suggested by @yaxinlx.
Fixes#41612.
Change-Id: I98b9968a95d090ee3c67ff02678e1874e6d98c33
Reviewed-on: https://go-review.googlesource.com/c/go/+/257159
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Other test flags passed to the test binary, such as -run or -count, are
equally pointless when -c or -i are used, since the test binary is never
run. However, custom flags in that scenario are far more likely to be
due to human error, such as:
# note the "ldflags" typo, which silently did nothing
go test -c -lflags=-w
Instead, make this scenario error. It seems unlikely that anyone is
using -c along with intended custom-defined test flags, and if they are,
removing those extra flags that do nothing is probably a good idea
anyway.
We don't add this restriction for the flags defined in 'go help
testflag', since they are far less likely to be typos or unintended
mistakes. Another reason not to do that change is that other commands
similarly silently ignore no-op flags, such as:
# -d disables the build, so -ldflags is never used
go get -d -ldflags=-w
Fixes#39484.
Change-Id: I6ba2f6866562fe8f8fceaf4cd862d874bf5cd978
Reviewed-on: https://go-review.googlesource.com/c/go/+/237697
Trust: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
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Reviewed-by: Bryan C. Mills <bcmills@google.com>
If a signal is sent to t.signal before the panic is triggered,
a panicking test may end up with "warning: no tests to run" because
the tRunner that invokes the test in t.Run calls runtime.Goexit on
panic, which causes the panicking test not be recorded in runTests.
Send the signal if and only if there is no panic.
Fixes#41479
Change-Id: I812f1303bfe02c443a1902732e68d21620d6672e
Reviewed-on: https://go-review.googlesource.com/c/go/+/256098
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
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Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
Trust: Bryan C. Mills <bcmills@google.com>
Now reports an error if cyclic maps and slices are to be encoded
instead of an infinite recursion. This case wasn't handled in CL 187920.
Fixes#40745.
Change-Id: Ia34b014ecbb71fd2663bb065ba5355a307dbcc15
GitHub-Last-Rev: 6f874944f4
GitHub-Pull-Request: golang/go#40756
Reviewed-on: https://go-review.googlesource.com/c/go/+/248358
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Trust: Daniel Martí <mvdan@mvdan.cc>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Go Bot <gobot@golang.org>
Allow ';' as a valid character for json field keys and struct tags.
Fixes#39189
Change-Id: I4b602a1b0674ff028db07623682f0d1e8e9fd6c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/234818
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Trust: Giovanni Bajo <rasky@develer.com>
Trust: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
CL 250357 exported net.ErrClosed to allow more reliable detection
of closed network connection errors. Use that error in crypto/tls
as well.
The error message is changed from "tls: use of closed connection"
to "use of closed network connection", so the code that detected such
errors by looking for that text in the error message will need to be
updated to use errors.Is(err, net.ErrClosed) instead.
Fixes#41066
Change-Id: Ic05c0ed6a4f57af2a0302d53b00851a59200be2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/256897
Reviewed-by: Katie Hockman <katie@golang.org>
Trust: Katie Hockman <katie@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
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Toolstash-check successful for remaining rules using GOARM value.
Change-Id: I254f80d17839ef4957c1b7afbdb4db363a3b9367
Reviewed-on: https://go-review.googlesource.com/c/go/+/240997
Run-TryBot: Giovanni Bajo <rasky@develer.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Giovanni Bajo <rasky@develer.com>
The IndexString implementation in the bytealg package requires that
the string passed into it be in the range '2 <= len(s) <= MaxLen'
where MaxLen may be any value (including 0).
CL 156998 added calls to bytealg.IndexString where MaxLen was not
first checked. This led to an illegal instruction on s390x with
the vector facility disabled.
This CL guards the calls to bytealg.IndexString with a MaxLen check.
If the check fails then the code now falls back to the pre CL 156998
implementation (a loop over the runes in the string).
Since the MaxLen check is now in place the generic implementation is
no longer called so I have returned it to its original unimplemented
state.
In future we may want to drop MaxLen to prevent this kind of
confusion.
Fixes#41552.
Change-Id: Ibeb3f08720444a05c08d719ed97f6cef2423bbe9
Reviewed-on: https://go-review.googlesource.com/c/go/+/256717
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add type casting to int32: L148-L156, L774-L778
Toolstash-check successful
Change-Id: Ib6544c1d7853c2811def5b18786e1fc5c18086ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/256097
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Giovanni Bajo <rasky@develer.com>
Introduce GOOS=ios for iOS systems. GOOS=ios matches "darwin"
build tag, like GOOS=android matches "linux" and GOOS=illumos
matches "solaris". Only ios/arm64 is supported (ios/amd64 is
not).
GOOS=ios and GOOS=darwin remain essentially the same at this
point. They will diverge at later time, to differentiate macOS
and iOS.
Uses of GOOS=="darwin" are changed to (GOOS=="darwin" || GOOS=="ios"),
except if it clearly means macOS (e.g. GOOS=="darwin" && GOARCH=="amd64"),
it remains GOOS=="darwin".
Updates #38485.
Change-Id: I4faacdc1008f42434599efb3c3ad90763a83b67c
Reviewed-on: https://go-review.googlesource.com/c/go/+/254740
Trust: Cherry Zhang <cherryyz@google.com>
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Reviewed-by: Austin Clements <austin@google.com>
The instructions have already been updated in greater
detail in "Step 2: Configure git authentication", but
the overview needs updated to reflect the new workflow.
Change-Id: I6f411a3dc500a9058036a4a828403c0153e4220a
Reviewed-on: https://go-review.googlesource.com/c/go/+/256857
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
This does not work yet for SSA-able aggregates.
Change-Id: Ib16b9c6158b25bb957145c5f934040b2bab9babd
Reviewed-on: https://go-review.googlesource.com/c/go/+/245132
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
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Reviewed-by: Cherry Zhang <cherryyz@google.com>
"mul by constant" until "div by constant"
L547-L609
Change-Id: I19ebb5694e383878f505d34df2591a51fe38431a
Reviewed-on: https://go-review.googlesource.com/c/go/+/254662
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
