- 08 Oct, 2019 13 commits
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Katie Hockman authored
Fixes #34702 Change-Id: I98320d54726e646a310e583283ddab676c3503e7 Reviewed-on: https://go-review.googlesource.com/c/go/+/199838 Run-TryBot: Katie Hockman <katie@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Dan Peterson authored
Fixes #27841 Change-Id: Ifcfd938aff8680cf7b44dfc09fde01d6105345a0 Reviewed-on: https://go-review.googlesource.com/c/go/+/198257 Run-TryBot: Dan Peterson <dpiddy@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Bryan C. Mills <bcmills@google.com>
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Davor Kapsa authored
Change-Id: Icbf97d640fb26eed646f9e85c1f1c94b1469ca4f Reviewed-on: https://go-review.googlesource.com/c/go/+/199778Reviewed-by:
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Robert Griesemer authored
Avoid confusion between (now gone) objSet and objset types. Also: rename visited -> seen in initorder.go. No functional changes. Change-Id: Ib0aa25e006eee55a79a739194d0d26190354a9f2 Reviewed-on: https://go-review.googlesource.com/c/go/+/198044Reviewed-by:
Matthew Dempsky <mdempsky@google.com>
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Robert Griesemer authored
- remove Checker.cycle in favor of using a "seen" map - rename Checker.typeCycle -> Checker.cycle - remove TODO in api.go since the API is frozen Change-Id: I182a8215978dad54e9c6e79c21c5ec88ec802349 Reviewed-on: https://go-review.googlesource.com/c/go/+/198042Reviewed-by:
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Robert Griesemer authored
For Go 1.13, we rewrote the go/types cycle detection scheme. Unfortunately, it was a bit too clever and introduced a bug (#34333). Here's an example: type A struct { f1 *B f2 B } type B A When type-checking this code, the first cycle A->*B->B->A (via field f1) is ok because there's a pointer indirection. Though in the process B is considered "type-checked" (and painted/marked from "grey" to black"). When type-checking f2, since B is already completely set up, go/types doesn't complain about the invalid cycle A->B->A (via field f2) anymore. On the other hand, with the fields f1, f2 swapped: type A struct { f2 B f1 *B } go/types reports an error because the cycle A->B->A is type-checked first. In general, we cannot know the "right" order in which types need to be type-checked. This CL fixes the issue as follows: 1) The global object path cycle detection does not take (pointer, function, reference type) indirections into account anymore for cycle detection. That mechanism was incorrect to start with and the primary cause for this issue. As a consequence we don't need Checker.indirectType and indir anymore. 2) After processing type declarations, Checker.validType is called to verify that a type doesn't expand indefinitively. This corresponds essentially to cmd/compile's dowidth computation (without size computation). 3) Cycles involving only defined types (e.g.: type (A B; B C; C A)) require separate attention as those must now be detected when resolving "forward chains" of type declarations. Checker.underlying was changed to detect these cycles. All three cycle detection mechanism use an object path ([]Object) to report cycles. The cycle error reporting mechanism is now factored out into Checker.cycleError and used by all three mechanisms. It also makes an attempt to report the cycle starting with the "first" (earliest in the source) object. Fixes #34333. Change-Id: I2c6446445e47344cc2cd034d3c74b1c345b8c1e6 Reviewed-on: https://go-review.googlesource.com/c/go/+/196338 Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
Lynn Boger authored
This improves the code generated for LoweredMove and LoweredZero by using LXVD2X and STXVD2X to move 16 bytes at a time. These instructions are now used if the size to be moved or zeroed is >= 64. These same instructions have already been used in the asm implementations for memmove and memclr. Some examples where this shows an improvement on power8: MakeSlice/Byte 27.3ns ± 1% 25.2ns ± 0% -7.69% MakeSlice/Int16 40.2ns ± 0% 35.2ns ± 0% -12.39% MakeSlice/Int 94.9ns ± 1% 77.9ns ± 0% -17.92% MakeSlice/Ptr 129ns ± 1% 103ns ± 0% -20.16% MakeSlice/Struct/24 176ns ± 1% 131ns ± 0% -25.67% MakeSlice/Struct/32 200ns ± 1% 142ns ± 0% -29.09% MakeSlice/Struct/40 220ns ± 2% 156ns ± 0% -28.82% GrowSlice/Byte 81.4ns ± 0% 73.4ns ± 0% -9.88% GrowSlice/Int16 118ns ± 1% 98ns ± 0% -17.03% GrowSlice/Int 178ns ± 1% 134ns ± 1% -24.65% GrowSlice/Ptr 249ns ± 4% 212ns ± 0% -14.94% GrowSlice/Struct/24 294ns ± 5% 215ns ± 0% -27.08% GrowSlice/Struct/32 315ns ± 1% 248ns ± 0% -21.49% GrowSlice/Struct/40 382ns ± 4% 289ns ± 1% -24.38% ExtendSlice/IntSlice 109ns ± 1% 90ns ± 1% -17.51% ExtendSlice/PointerSlice 142ns ± 2% 118ns ± 0% -16.75% ExtendSlice/NoGrow 6.02ns ± 0% 5.88ns ± 0% -2.33% Append 27.2ns ± 0% 27.6ns ± 0% +1.38% AppendGrowByte 4.20ms ± 3% 2.60ms ± 0% -38.18% AppendGrowString 134ms ± 3% 102ms ± 2% -23.62% AppendSlice/1Bytes 5.65ns ± 0% 5.67ns ± 0% +0.35% AppendSlice/4Bytes 6.40ns ± 0% 6.55ns ± 0% +2.34% AppendSlice/7Bytes 8.74ns ± 0% 8.84ns ± 0% +1.14% AppendSlice/8Bytes 5.68ns ± 0% 5.70ns ± 0% +0.40% AppendSlice/15Bytes 9.31ns ± 0% 9.39ns ± 0% +0.86% AppendSlice/16Bytes 14.0ns ± 0% 5.8ns ± 0% -58.32% AppendSlice/32Bytes 5.72ns ± 0% 5.68ns ± 0% -0.66% AppendSliceLarge/1024Bytes 918ns ± 8% 615ns ± 1% -33.00% AppendSliceLarge/4096Bytes 3.25µs ± 1% 1.92µs ± 1% -40.84% AppendSliceLarge/16384Bytes 8.70µs ± 2% 4.69µs ± 0% -46.08% AppendSliceLarge/65536Bytes 18.1µs ± 3% 7.9µs ± 0% -56.30% AppendSliceLarge/262144Bytes 69.8µs ± 2% 25.9µs ± 0% -62.91% AppendSliceLarge/1048576Bytes 258µs ± 1% 93µs ± 0% -63.96% Change-Id: I21625dbe231a2029ddb9f7d73f5a6417b35c1e49 Reviewed-on: https://go-review.googlesource.com/c/go/+/199639 Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Cherry Zhang <cherryyz@google.com>
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diaxu01 authored
This CL adds system register error checking test cases. There're two kinds of error test cases: 1. illegal combination. MRS should be used in this way: MRS <system register>, <general register>. MSR should be used in this way: MSR <general register>, <system register>. Error usage examples: MRS R8, VTCR_EL2 // ERROR "illegal combination" MSR VTCR_EL2, R8 // ERROR "illegal combination" 2. illegal read or write access. Error usage examples: MSR R7, MIDR_EL1 // ERROR "expected writable system register or pstate" MRS OSLAR_EL1, R3 // ERROR "expected readable system register" This CL reads system registers readable and writeable property to check whether they're used with legal read or write access. This property is named AccessFlags in sysRegEnc.go, and it is automatically generated by modifing the system register generator. Change-Id: Ic83d5f372de38d1ecd0df1ca56b354ee157f16b4 Reviewed-on: https://go-review.googlesource.com/c/go/+/194917Reviewed-by:
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Tobias Klauser authored
This fixes TestFormats after CL 198037 Change-Id: I3fb7d667f7c2a1fd88a320482310d33b75e068c4 Reviewed-on: https://go-review.googlesource.com/c/go/+/199777 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by:
Michael Munday <mike.munday@ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Tobias Klauser authored
Reimplement syscall wrappers for linux/arm64 in terms of supported syscalls (or in case of Ustat make it return ENOSYS) and remove the manually added SYS_* consts for the deprecated syscalls. Adapted from golang.org/x/sys/unix where this is already done since CL 119655. Change-Id: I94ab48a4645924df3822497d0575f1a1573d509f Reviewed-on: https://go-review.googlesource.com/c/go/+/199140 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Michael Munday authored
This commit adds SSA rules for the s390x combined compare-and-branch instructions. These have a shorter encoding than separate compare and branch instructions and they also don't clobber the condition code (a.k.a. flag register) reducing pressure on the flag allocator. I have deleted the 'loop_test.go' file and replaced it with a new codegen test which performs a wider range of checks. Object sizes from compilebench: name old object-bytes new object-bytes delta Template 562kB ± 0% 561kB ± 0% -0.28% (p=0.000 n=10+10) Unicode 217kB ± 0% 217kB ± 0% -0.17% (p=0.000 n=10+10) GoTypes 2.03MB ± 0% 2.02MB ± 0% -0.59% (p=0.000 n=10+10) Compiler 8.16MB ± 0% 8.11MB ± 0% -0.62% (p=0.000 n=10+10) SSA 27.4MB ± 0% 27.0MB ± 0% -1.45% (p=0.000 n=10+10) Flate 356kB ± 0% 356kB ± 0% -0.12% (p=0.000 n=10+10) GoParser 438kB ± 0% 436kB ± 0% -0.51% (p=0.000 n=10+10) Reflect 1.37MB ± 0% 1.37MB ± 0% -0.42% (p=0.000 n=10+10) Tar 485kB ± 0% 483kB ± 0% -0.39% (p=0.000 n=10+10) XML 630kB ± 0% 621kB ± 0% -1.45% (p=0.000 n=10+10) [Geo mean] 1.14MB 1.13MB -0.60% name old text-bytes new text-bytes delta HelloSize 763kB ± 0% 754kB ± 0% -1.30% (p=0.000 n=10+10) CmdGoSize 10.7MB ± 0% 10.6MB ± 0% -0.91% (p=0.000 n=10+10) [Geo mean] 2.86MB 2.82MB -1.10% Change-Id: Ibca55d9c0aa1254aee69433731ab5d26a43a7c18 Reviewed-on: https://go-review.googlesource.com/c/go/+/198037 Run-TryBot: Michael Munday <mike.munday@ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Keith Randall <khr@golang.org>
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Cuong Manh Le authored
Fixes #21561 Change-Id: I89c59752060dd9570d17d73acbbaceaefce5d8ce Reviewed-on: https://go-review.googlesource.com/c/go/+/197560 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by:
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Richard Musiol authored
When running wasm in the browser, the "process" global is not defined. This causes functions like os.Getpid() to panic, which is unusual. For example on Windows os.Getpid() returns -1 and does not panic. This change adds a dummy polyfill for "process" which returns -1 or an error. It also extends the polyfill for "fs". Fixes #34627 Replaces CL 199357 Change-Id: Ifeb12fe7e152c517848933a9ab5f6f749896dcef Reviewed-on: https://go-review.googlesource.com/c/go/+/199698 Run-TryBot: Richard Musiol <neelance@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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- 07 Oct, 2019 13 commits
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David Chase authored
The lines on nodes within the IF-tree generated for switch statements looks like control flow so the lines get marked as statement boundaries. Except for the first/root comparison, explicitly disable the marks. Change-Id: I64b966ed8e427cdc6b816ff6b6a2eb754346edc7 Reviewed-on: https://go-review.googlesource.com/c/go/+/198738 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Jeremy Faller <jeremy@golang.org>
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Matthew Dempsky authored
Previously, when emitting type switches without an explicit "case nil" clause, we would emit: if x == nil { goto Lnil } ... Lnil: goto Ldefault But we can instead just emit: if x == nil { goto Ldefault } Doesn't pass toolstash-check; seems like it causes some harmless instruction scheduling changes. Change-Id: Ie233dda26756911e93a08b3db40407ba38694c62 Reviewed-on: https://go-review.googlesource.com/c/go/+/199644 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by: -
Ben Schwartz authored
Currently, nonblocking receive on an open channel is about 700 times faster than nonblocking receive on a closed channel. This change makes closed channels equally fast. Fixes #32529 relevant benchstat output: name old time/op new time/op delta MakeChan/Byte-40 140ns ± 4% 137ns ± 7% -2.38% (p=0.023 n=17+19) MakeChan/Int-40 174ns ± 5% 173ns ± 6% ~ (p=0.437 n=18+19) MakeChan/Ptr-40 315ns ±15% 301ns ±15% ~ (p=0.051 n=20+20) MakeChan/Struct/0-40 123ns ± 8% 99ns ±11% -19.18% (p=0.000 n=20+17) MakeChan/Struct/32-40 297ns ± 8% 241ns ±18% -19.13% (p=0.000 n=20+20) MakeChan/Struct/40-40 344ns ± 5% 273ns ±23% -20.49% (p=0.000 n=20+20) ChanNonblocking-40 0.32ns ± 2% 0.32ns ± 2% -1.25% (p=0.000 n=19+18) SelectUncontended-40 5.72ns ± 1% 5.71ns ± 2% ~ (p=0.326 n=19+19) SelectSyncContended-40 10.9µs ±10% 10.6µs ± 3% -2.77% (p=0.009 n=20+16) SelectAsyncContended-40 1.00µs ± 0% 1.10µs ± 0% +10.75% (p=0.000 n=18+19) SelectNonblock-40 1.22ns ± 2% 1.21ns ± 4% ~ (p=0.141 n=18+19) ChanUncontended-40 240ns ± 4% 233ns ± 4% -2.82% (p=0.000 n=20+20) ChanContended-40 86.7µs ± 0% 82.7µs ± 0% -4.64% (p=0.000 n=20+19) ChanSync-40 294ns ± 7% 284ns ± 9% -3.44% (p=0.006 n=20+20) ChanSyncWork-40 38.4µs ±19% 34.0µs ± 4% -11.33% (p=0.000 n=20+18) ChanProdCons0-40 1.50µs ± 1% 1.63µs ± 0% +8.53% (p=0.000 n=19+19) ChanProdCons10-40 1.17µs ± 0% 1.18µs ± 1% +0.44% (p=0.000 n=19+20) ChanProdCons100-40 985ns ± 0% 959ns ± 1% -2.64% (p=0.000 n=20+20) ChanProdConsWork0-40 1.50µs ± 0% 1.60µs ± 2% +6.54% (p=0.000 n=18+20) ChanProdConsWork10-40 1.26µs ± 0% 1.26µs ± 2% +0.40% (p=0.015 n=20+19) ChanProdConsWork100-40 1.27µs ± 0% 1.22µs ± 0% -4.15% (p=0.000 n=20+19) SelectProdCons-40 1.50µs ± 1% 1.53µs ± 1% +1.95% (p=0.000 n=20+20) ChanCreation-40 82.1ns ± 5% 81.6ns ± 7% ~ (p=0.483 n=19+19) ChanSem-40 877ns ± 0% 719ns ± 0% -17.98% (p=0.000 n=18+19) ChanPopular-40 1.75ms ± 2% 1.78ms ± 3% +1.76% (p=0.002 n=20+19) ChanClosed-40 215ns ± 1% 0ns ± 6% -99.82% (p=0.000 n=20+18) Change-Id: I6d5ca4f1530cc9e1a9f3ef553bbda3504a036448 Reviewed-on: https://go-review.googlesource.com/c/go/+/181543 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
Currently, escape analysis is able to record at most one dereference when a parameter leaks to the heap; that is, at call sites, it can't distinguish between any of these three functions: func x1(p ****int) { sink = *p } func x2(p ****int) { sink = **p } func x3(p ****int) { sink = ***p } Similarly, it's limited to recording parameter leaks to only the first 4 parameters, and only up to 6 dereferences. All of these limitations are due to the awkward encoding scheme used at the moment. This CL replaces the encoding scheme with a simple [8]uint8 array, which can handle up to the first 7 parameters, and up to 254 dereferences, which ought to be enough for anyone. And if not, it's much more easily increased. Shrinks export data size geometric mean for Kubernetes by 0.07%. Fixes #33981. Change-Id: I10a94b9accac9a0c91490e0d6d458316f5ca1e13 Reviewed-on: https://go-review.googlesource.com/c/go/+/197680Reviewed-by: -
Matthew Dempsky authored
This CL better abstracts away the parameter leak info that was directly encoded into the uint16 value. Followup CL will rewrite the implementation. Passes toolstash-check. Updates #33981. Change-Id: I27f81d26f5dd2d85f5b0e5250ca529819a1f11c2 Reviewed-on: https://go-review.googlesource.com/c/go/+/197679 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Richard Musiol authored
On wasm there is a special goroutine that handles asynchronous events. Blocking this goroutine often causes a deadlock. However, the stack trace of this goroutine was omitted when printing the deadlock error. This change adds an exception so the goroutine is not considered as an internal system goroutine and the stack trace gets printed, which helps with debugging the deadlock. Updates #32764 Change-Id: Icc8f5ba3ca5a485d557b7bdd76bf2f1ffb92eb3e Reviewed-on: https://go-review.googlesource.com/c/go/+/199537 Run-TryBot: Richard Musiol <neelance@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Richard Musiol authored
CL 170950 had a regression that makes the compiler produce an invalid wasm binary if the data section is too large. Loading such a binary gives the following error: "LinkError: WebAssembly.instantiate(): data segment is out of bounds" This change fixes the issue by ensuring that the minimum size of the linear memory is larger than the end of the data section. Fixes #34395. Change-Id: I0c8629de7ffd0d85895ad31bf8c9d45fef197a57 Reviewed-on: https://go-review.googlesource.com/c/go/+/199358Reviewed-by:
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Keith Randall authored
We're allowed to remove a write barrier when both the old value in memory and the new value we're writing are not heap pointers. Improve both those checks a little bit. A pointer is known to not be a heap pointer if it is read from read-only memory. This sometimes happens for loads of pointers from string constants in read-only memory. Do a better job of tracking which parts of memory are known to be zero. Before we just kept track of a range of offsets in the most recently allocated object. For code that initializes the new object's fields in a nonstandard order, that tracking is imprecise. Instead, keep a bit map of the first 64 words of that object, so we can track precisely what we know to be zeroed. The new scheme is only precise up to the first 512 bytes of the object. After that, we'll use write barriers unnecessarily. Hopefully most initializers of large objects will use typedmemmove, which does only one write barrier check for the whole initialization. Fixes #34723 Update #21561 Change-Id: Idf6e1b7d525042fb67961302d4fc6f941393cac8 Reviewed-on: https://go-review.googlesource.com/c/go/+/199558 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Cuong Manh Le authored
Change-Id: Id43870de6608ef2e8c0ebef82fd710b2c3061e66 Reviewed-on: https://go-review.googlesource.com/c/go/+/199599Reviewed-by:
Tobias Klauser <tobias.klauser@gmail.com>
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Keith Randall authored
For commuting ops, check whether the second argument is dead before checking if the first argument is rematerializeable. Reusing the register holding a dead value is always best. Fixes #33580 Change-Id: I7372cfc03d514e6774d2d9cc727a3e6bf6ce2657 Reviewed-on: https://go-review.googlesource.com/c/go/+/199559 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
David Chase <drchase@google.com>
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Meng Zhuo authored
The current bytes test suit didn't come with endian based test which causing #34549 can passed the try-bot. This test will failed when little endian architecture simply using load and compare uint. Update #34549 Change-Id: I0973c2cd505ce21c2bed1deeb7d526f1e872118d Reviewed-on: https://go-review.googlesource.com/c/go/+/198358Reviewed-by:
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Cuong Manh Le authored
Add test to check that struct type in reflectlite is mirror of reflect. Note that the test does not check the field types, only check for number of fields and field name are the same. Updates #34486 Change-Id: Id5f9b26d35faec97863dd1fe7e5eab37d4913181 Reviewed-on: https://go-review.googlesource.com/c/go/+/199280 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Michael Munday authored
Add a Reset method to blocks that allows us to reduce the amount of code we generate for block rewrite rules. Thanks to Cherry for suggesting a similar fix to this in CL 196557. Compilebench result: name old time/op new time/op delta Template 211ms ± 1% 211ms ± 1% -0.30% (p=0.028 n=19+20) Unicode 83.7ms ± 3% 83.0ms ± 2% -0.79% (p=0.029 n=18+19) GoTypes 757ms ± 1% 755ms ± 1% -0.31% (p=0.034 n=19+19) Compiler 3.51s ± 1% 3.50s ± 1% -0.20% (p=0.013 n=18+18) SSA 11.7s ± 1% 11.7s ± 1% -0.38% (p=0.000 n=19+19) Flate 131ms ± 1% 130ms ± 1% -0.32% (p=0.024 n=18+18) GoParser 162ms ± 1% 162ms ± 1% ~ (p=0.059 n=20+18) Reflect 471ms ± 0% 470ms ± 0% -0.24% (p=0.045 n=20+17) Tar 187ms ± 1% 186ms ± 1% ~ (p=0.157 n=20+20) XML 255ms ± 1% 255ms ± 1% ~ (p=0.461 n=19+20) LinkCompiler 754ms ± 2% 755ms ± 2% ~ (p=0.919 n=17+17) ExternalLinkCompiler 2.82s ±16% 2.37s ±10% -15.94% (p=0.000 n=20+20) LinkWithoutDebugCompiler 439ms ± 4% 442ms ± 6% ~ (p=0.461 n=18+19) StdCmd 25.8s ± 2% 25.5s ± 1% -0.95% (p=0.000 n=20+20) name old user-time/op new user-time/op delta Template 240ms ± 8% 238ms ± 7% ~ (p=0.301 n=20+20) Unicode 107ms ±18% 104ms ±13% ~ (p=0.149 n=20+20) GoTypes 883ms ± 3% 888ms ± 2% ~ (p=0.211 n=20+20) Compiler 4.22s ± 1% 4.20s ± 1% ~ (p=0.077 n=20+18) SSA 14.1s ± 1% 14.1s ± 2% ~ (p=0.192 n=20+20) Flate 145ms ±10% 148ms ± 5% ~ (p=0.126 n=20+18) GoParser 186ms ± 7% 186ms ± 7% ~ (p=0.779 n=20+20) Reflect 538ms ± 3% 541ms ± 3% ~ (p=0.192 n=20+20) Tar 218ms ± 4% 217ms ± 6% ~ (p=0.835 n=19+20) XML 298ms ± 5% 298ms ± 5% ~ (p=0.749 n=19+20) LinkCompiler 818ms ± 5% 825ms ± 8% ~ (p=0.461 n=20+20) ExternalLinkCompiler 1.55s ± 4% 1.53s ± 5% ~ (p=0.063 n=20+18) LinkWithoutDebugCompiler 460ms ±12% 460ms ± 7% ~ (p=0.925 n=20+20) name old object-bytes new object-bytes delta Template 554kB ± 0% 554kB ± 0% ~ (all equal) Unicode 215kB ± 0% 215kB ± 0% ~ (all equal) GoTypes 2.01MB ± 0% 2.01MB ± 0% ~ (all equal) Compiler 7.97MB ± 0% 7.97MB ± 0% +0.00% (p=0.000 n=20+20) SSA 26.8MB ± 0% 26.9MB ± 0% +0.27% (p=0.000 n=20+20) Flate 340kB ± 0% 340kB ± 0% ~ (all equal) GoParser 434kB ± 0% 434kB ± 0% ~ (all equal) Reflect 1.34MB ± 0% 1.34MB ± 0% ~ (all equal) Tar 480kB ± 0% 480kB ± 0% ~ (all equal) XML 622kB ± 0% 622kB ± 0% ~ (all equal) name old export-bytes new export-bytes delta Template 20.4kB ± 0% 20.4kB ± 0% ~ (all equal) Unicode 8.21kB ± 0% 8.21kB ± 0% ~ (all equal) GoTypes 36.6kB ± 0% 36.6kB ± 0% ~ (all equal) Compiler 115kB ± 0% 115kB ± 0% +0.08% (p=0.000 n=20+20) SSA 141kB ± 0% 141kB ± 0% +0.07% (p=0.000 n=20+20) Flate 5.11kB ± 0% 5.11kB ± 0% ~ (all equal) GoParser 8.93kB ± 0% 8.93kB ± 0% ~ (all equal) Reflect 11.8kB ± 0% 11.8kB ± 0% ~ (all equal) Tar 10.9kB ± 0% 10.9kB ± 0% ~ (all equal) XML 17.4kB ± 0% 17.4kB ± 0% ~ (all equal) name old text-bytes new text-bytes delta HelloSize 742kB ± 0% 742kB ± 0% ~ (all equal) CmdGoSize 10.7MB ± 0% 10.7MB ± 0% ~ (all equal) name old data-bytes new data-bytes delta HelloSize 10.7kB ± 0% 10.7kB ± 0% ~ (all equal) CmdGoSize 312kB ± 0% 312kB ± 0% ~ (all equal) name old bss-bytes new bss-bytes delta HelloSize 122kB ± 0% 122kB ± 0% ~ (all equal) CmdGoSize 146kB ± 0% 146kB ± 0% ~ (all equal) name old exe-bytes new exe-bytes delta HelloSize 1.10MB ± 0% 1.10MB ± 0% ~ (all equal) CmdGoSize 14.9MB ± 0% 14.9MB ± 0% ~ (all equal) Change-Id: Ic89a8e62423b3d9fd9391159e0663acf450803b5 Reviewed-on: https://go-review.googlesource.com/c/go/+/198419 Run-TryBot: Michael Munday <mike.munday@ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Daniel Martí <mvdan@mvdan.cc>
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- 06 Oct, 2019 2 commits
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Shenghou Ma authored
CL 197938 actually fixes those regression on Darwin as syscalls are no longer labeled as always blocking and consume a thread. Fixes #33953 Fixes #32326 Change-Id: I82c98516c23cd36f762bc5433d7b71ea8939a0ac Reviewed-on: https://go-review.googlesource.com/c/go/+/199477 Run-TryBot: Minux Ma <minux@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Serhat Giydiren authored
Fixes #31590 Change-Id: I7fd6dcc5c34496776439ff0295f18b5fb5cb538a Reviewed-on: https://go-review.googlesource.com/c/go/+/199141Reviewed-by:
Emmanuel Odeke <emm.odeke@gmail.com>
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- 05 Oct, 2019 7 commits
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Cuong Manh Le authored
CL 191198 updated runtime rtype and mapType without adopting the changes to reflectlite, causing mismatch between them. This CL updates those changes to reflectlite. Fixes #34486 Change-Id: I2bb043673d997f97bb0b12c4ad471474803b2160 Reviewed-on: https://go-review.googlesource.com/c/go/+/197559 Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Cuong Manh Le authored
Updates #34486 Change-Id: Iec9a5d120013aaa287eccf2999b3f2b831be070e Reviewed-on: https://go-review.googlesource.com/c/go/+/197558Reviewed-by:
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Daniel Martí authored
TestScripts/mod_get_svn would stop with the following prompt if the real user didn't have vcs-test.golang.org in their known_hosts file: The authenticity of host 'vcs-test.golang.org (35.184.38.56)' can't be established. ECDSA key fingerprint is SHA256:[...] Are you sure you want to continue connecting (yes/no/[fingerprint])? This was bad because it relied on the user's real ssh known_hosts file. Worse even, if the user didn't expert or notice the prompt, it could hang a 'go test' run for quite a while. Work around that by forcing svn to not use ssh at all. Other potentially better approaches were tried, but none worked on svn 1.12.2 with openssh 8.0p1. Fixes #33883. Change-Id: I2f925fa892f2fa53c77d86b0034141162517ee69 Reviewed-on: https://go-review.googlesource.com/c/go/+/199142 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Tobias Klauser authored
Updates #24715 Change-Id: Ie7cdac346fb024858441bfd4028bf09adab3c9d0 Reviewed-on: https://go-review.googlesource.com/c/go/+/198545 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Tobias Klauser authored
Updates #24715 Change-Id: If5d9591a820f6e921e69e722d46bf91d2ae738cb Reviewed-on: https://go-review.googlesource.com/c/go/+/198543 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Alex Brainman authored
syscall, internal/syscall/windows, internal/syscall/windows/registry: make go generate use new golang.org/x/sys/windows/mkwinsyscall Updates #34388 Change-Id: I327a1c1557c47fa6c113c7a1a507a8e7355f9d1a Reviewed-on: https://go-review.googlesource.com/c/go/+/199277 Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Jason A. Donenfeld <Jason@zx2c4.com>
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Tai authored
When translating C types, cache the in-progress type under its parent names, so that anonymous structs can also be translated for multiple typedefs, without clashing. Standalone types are not affected by this change. Also updated the test for issue 9026 because the C struct name generation algorithm has changed. Fixes #31891 Change-Id: I00cc64852a2617ce33da13f74caec886af05b9f2 Reviewed-on: https://go-review.googlesource.com/c/go/+/181857 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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- 04 Oct, 2019 5 commits
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Alex Gaynor authored
Change-Id: Icb1c3eb30147180ba5949a25c65b48307b14c1ca GitHub-Last-Rev: 937ae8641321139b9165ce7d57abeac5a67dc24d GitHub-Pull-Request: golang/go#34704 Reviewed-on: https://go-review.googlesource.com/c/go/+/199157 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Chase authored
add preceding "+" for a line that is certainly a statement, and "_" for a line this is certainly not a statement. Change-Id: I831435dbc2302f25db1320b99d3513fe61fe1fa2 Reviewed-on: https://go-review.googlesource.com/c/go/+/198737 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Chase authored
Two changes, one to cause the back end to not number ITab operations (these tend to disappear and are also followed by something more robust) and to explicitly unmark (as statements) all but the first bit of the code generated to implement a type switch. Change-Id: I9f7bf7cbf7ccc5d7eda57f7fb080e600eb312eb0 Reviewed-on: https://go-review.googlesource.com/c/go/+/198739 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Chase authored
Calls are code-generated in an alternate path that inherits its positions from values, not from *SSAGenState. The default position on *SSAGenState was marked as not-a-statement, but this was not applied to the value itself, leading to spurious "is statement" marks in the output (convention: after code generation in the compiler, everything is either definitely a statement or definitely not a statement, nothing is in the undetermined state). This CL causes a 35 statement regression in ssa/stmtlines_test. This is down from the earlier 150 because of all the other CLs preceding this one that deal with the root causes of the missing lines (repeated lines on nested calls hid missing lines). This also removes some line repeats from ssa/debug_test. Change-Id: Ie9a507bd5447e906b35bbd098e3295211df2ae01 Reviewed-on: https://go-review.googlesource.com/c/go/+/188018 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Chase authored
This was a cause of some statements being lost. Change-Id: I81c95dcf3df6ed8a03b7578a27f9b21d33b3cf39 Reviewed-on: https://go-review.googlesource.com/c/go/+/198484 Run-TryBot: David Chase <drchase@google.com> Reviewed-by:
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