The negation does not change the comparison to zero.
Also remove unnecessary x.Uses == 1 condition from equivalent BEQZ/BNEZ rules.
Change-Id: I62dd8e383e42bfe5c46d11bbf78d8e5ff862a1d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/426262
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The result of these operations are already extended.
Change-Id: Ifc8ba362dda7035d8fd0d40046a96f61d3082877
Reviewed-on: https://go-review.googlesource.com/c/go/+/426260
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Removes more than 2000 instructions from the Go binary on linux/risv64.
Change-Id: I6db3e3b1c93f29f00869adcba7c6192bfb90b25c
Reviewed-on: https://go-review.googlesource.com/c/go/+/426259
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Reviewed-by: Meng Zhuo <mzh@golangcn.org>
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A condition check was added to parse.go in CL 405542 to prevent
usage of scaled operands on ppc64. However while trying to improve
the error notification message, an if-condition was left out by
oversight. This CL corrects that.
Change-Id: I8cef3dd194c75343354ffe888b5e639e694badde
Reviewed-on: https://go-review.googlesource.com/c/go/+/426994
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: David Chase <drchase@google.com>
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Previously the first operand of MSR could be $0, which would be
converted to the ZR register. This is prohibited by CL 404316,
this CL restores this instruction format.
Change-Id: I5b5be59e76aa58423a0fb96942d1b2a9de62e311
Reviewed-on: https://go-review.googlesource.com/c/go/+/426198
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Run-TryBot: Eric Fang <eric.fang@arm.com>
For #53821
Change-Id: I686fe81268f70acc6a4c3e6b1d3ed0e07bb0d61c
Reviewed-on: https://go-review.googlesource.com/c/go/+/425775
Run-TryBot: xie cui <523516579@qq.com>
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Note that this changes the non-atomic operations in p.destroy() to atomic operations.
For #53821
Change-Id: I7bba77c9a2287ba697c87cce2c79293e4d1b3334
Reviewed-on: https://go-review.googlesource.com/c/go/+/425774
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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Note that this changes a non-atomic operation to atomic operation in gcStart().
For #53821
Change-Id: I754d254f6f190855144ff62151b6bae673b47867
Reviewed-on: https://go-review.googlesource.com/c/go/+/425776
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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And add some documentation for the debug query param.
Fixes#27737Fixes#53971
Change-Id: I629aaa2d4a43175381eb04872f1caad238519a41
Reviewed-on: https://go-review.googlesource.com/c/go/+/421635
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If x+delta cannot overflow/underflow, we can derive:
x+delta < x if delta<0 (this CL included)
x+delta > x if delta>0 (this CL not included due to
a recursive stack overflow)
Remove 95 bounds checks during ./make.bat
Fixes#51622
Change-Id: I60d9bd84c5d7e81bbf808508afd09be596644f09
Reviewed-on: https://go-review.googlesource.com/c/go/+/406175
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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Do not intercept integer compares that are used to increment libFuzzer's
8-bit counters. This is unnecessary and has a negative impact on the
fuzzing performance. This fixes#53760.
Change-Id: Id22efac968b18014eedabb6f0762e1456897024e
GitHub-Last-Rev: 52f69fd68c
GitHub-Pull-Request: golang/go#53786
Reviewed-on: https://go-review.googlesource.com/c/go/+/416796
Run-TryBot: Keith Randall <khr@golang.org>
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Reviewed-by: Keith Randall <khr@google.com>
go:notinheap will be replaced by runtime/internal/sys.NotInHeap, and for
longer term, we want to restrict all of its usages inside the runtime
package only.
Updates #46731
Change-Id: I267adc2a19f0dc8a1ed29b5b4aeec1a7dc7318d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/421880
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Looks like CL 413361 which added CaseClause.RTypes missed the need
to regenerate this file.
Also CL 413357 added DynamicTypeAssertExpr.SrcRType, same issue.
Change-Id: I45e4d0685cc2f9bdcef1fad2cfc92e7005ef363e
Reviewed-on: https://go-review.googlesource.com/c/go/+/426675
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CL 327871 changes methodWrapper to always perform inlining after global
escape analysis. However, inlining the method may reveal closures, which
require walking all function bodies to decide whether to capture free
variables by value or by ref.
To fix it, just not doing inline if the method contains any closures.
Fixes#53702
Change-Id: I4b0255b86257cc6fe7e5fafbc545cc5cff9113e1
Reviewed-on: https://go-review.googlesource.com/c/go/+/426334
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Shape-based stenciling in unified IR is done by converting type argument
to its underlying type. So it agressively check that type argument is
not a TFORW. However, for recursive instantiated type argument, it may
still be a TFORW when shapifying happens. Thus the assertion failed,
causing the compiler crashing.
To fix it, just allow fully instantiated type when shapifying.
Fixes#54512Fixes#54722
Change-Id: I527e3fd696388c8a37454e738f0324f0c2ec16cb
Reviewed-on: https://go-review.googlesource.com/c/go/+/426335
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When a base+displacement kind of operand is given in an index-mode
instruction, the assembler does not flag it as an invalid instruction
causing the user to get an incorrect encoding of that instruction
leading to incorrect execution of the program.
Enable assembler to recognize valid and invalid operands used in index
mode instructions by classifying SOREG type into two further types
XOREG (used uniquely in index addressing mode instructions) and SOREG
for instructions working on base+displacement operands.
Also cleaned up usage of obj.Addr.Scale on PPC64.
Change-Id: Ib4d84343ae57477c6c074f44c4c2749496e11b91
Reviewed-on: https://go-review.googlesource.com/c/go/+/405542
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When spilling arg to stack or register, if it's a newly created value,
the arg position should be preserved. Otherwise, we may end up using
position information from deadcode lines.
This fixes the minimized test case in #54625 by mdempsky@, and make
building std successfully. However, the inline trees for these tests
still be corrupted:
- fixedbugs/issue53982.go
- typeparam/issue47775.go
- typeparam/issue47775b.go
- typeparam/issue49432.go
We probably still mess up the inline position somewhere else.
Updates #54625
Change-Id: I0d87e26b9ab451b85b6e79787da74a2b79a16209
Reviewed-on: https://go-review.googlesource.com/c/go/+/425785
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The current implementation always returns false for non-comparable
values, update the doc to reflect that.
Change-Id: I87f2da408874b0a209c8f51949e3310da15c5904
Reviewed-on: https://go-review.googlesource.com/c/go/+/426195
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CL 426079 started checking errors from RecentTag.
Unfortunately, we forgot to run "-longtest" SlowBots, and it turns out
to have broken non-short tests for non-git VCS implementations,
because those don't implement the RecentTag method.
Updates #53935.
Change-Id: I5935f2f4b3f684515e99e8bf70a840154c36249f
Reviewed-on: https://go-review.googlesource.com/c/go/+/426495
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Avoid allocating large amounts of memory for corrupt input.
No test case because the problem can only happen for invalid data.
Let the fuzzer find cases like this.
Change-Id: I2d1745200611f0af06ca58adcc3e2309ad6742d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/425882
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The existing documentation did not explain the difference between
placing a _test.go file in the same package as what is being
tested vs. adding it to a separate _test package. This explains the
distinction and adds an example.
Concept is explained well here: https://stackoverflow.com/a/31443271Fixes#25223
Change-Id: Iebaba15207d8aa24f0b370d8dd4062eadb504b5c
GitHub-Last-Rev: 7f49c5f462
GitHub-Pull-Request: golang/go#54160
Reviewed-on: https://go-review.googlesource.com/c/go/+/420415
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The existing implementation creates more branches with more states: -1, 0, 1,
which makes it not very intuitive to understand, let's use sync.Once and boolean
instead to make it more straightforward.
Change-Id: I05766e5fdf7dba37d6565f84d3db4373f9342fe5
Reviewed-on: https://go-review.googlesource.com/c/go/+/425880
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In initLocal for GOOS=js, use internal/itoa introduced in CL 301549
instead of a local implementation.
Change-Id: If107d5cf0ce56f4d926507db2cbd6da422c6d15a
Reviewed-on: https://go-review.googlesource.com/c/go/+/425302
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Change-Id: Iebe31b91c6e81438120f50a8089a8efca3d5339d
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Change-Id: Ice7e3762d4a1d71e23d619be699697f5c6523cc5
Reviewed-on: https://go-review.googlesource.com/c/go/+/425879
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The current implementation ignores the error when it tries to get
the recent tag on revisions, which results in incorrect pseudo
version (v0.0.0-) is derived.
Fixes#53935
Change-Id: I153d851eb913fb7e40051e194c92b9ca5bf0e906
GitHub-Last-Rev: 6ba1d90df5
GitHub-Pull-Request: golang/go#54701
Reviewed-on: https://go-review.googlesource.com/c/go/+/426079
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Time.appendFormatRFC3339 is a specialized implementation of
Time.appendFormat. We expect the two to be identical.
Add a fuzz test to ensure this property.
Updates #54093
Change-Id: I0bc41ee6e016d3dac75d1ac372d8c9c7266d0299
Reviewed-on: https://go-review.googlesource.com/c/go/+/425100
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FileServer provides a read-only service. Methods other than GET or HEAD should
be denied with an Allow header.
Fixes#53501
Change-Id: I1d31b405eefd90565ecd474ac3f8d8d6e3b15072
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