- 21 Aug, 2018 11 commits
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Tim Cooper authored
Updates #26775 Change-Id: I83c9eeda59769d2f35e0cc98f3a8579861d5978b Reviewed-on: https://go-review.googlesource.com/119715Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Tim Cooper authored
Change-Id: Iaa5ded13e8ab4753e2e3d04c9fff203d854208ba Reviewed-on: https://go-review.googlesource.com/119435Reviewed-by:
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isharipo authored
Copying sym.Reloc in loops hurts performance as it has 48 byte size (on 64-bit platforms). There are quite many symbols and each of them has more than 1 relocation (so, it's possible to have more than 1kk relocs). The're also traversed more than once in some code paths. By using pointers to them, copies are avoided. For linking "hello world" example from net/http: name old time/op new time/op delta Linker-4 530ms ± 2% 521ms ± 3% -1.80% (p=0.000 n=17+20) Change-Id: I6518aec69d6adcd137f84b5c089ceab4cb4ea2dd Reviewed-on: https://go-review.googlesource.com/113636 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Philip Børgesen authored
The existing Decoder.tokenError implementation creates its error messages by concatenating "invalid character " + quoteChar(c) + " " + context. All context values however already start with a space leading to error messages containing two spaces. This change removes " " from the concatenation expression. Fixes #26587 Change-Id: I93d14319396636b2a40d55053bda88c98e94a81a GitHub-Last-Rev: 6db7e1991b15beee601f558be72a2737070d8f68 GitHub-Pull-Request: golang/go#26588 Reviewed-on: https://go-review.googlesource.com/125775Reviewed-by:
Daniel Martí <mvdan@mvdan.cc> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Jan Lehnardt authored
Companion PR to https://github.com/golang/sys/pull/13 Change-Id: I097fc97912840eb69ca232eded6ba939de0fead9 GitHub-Last-Rev: f8a8f7d96c96e3cb03010cb3d9607741f4bbc3a1 GitHub-Pull-Request: golang/go#26675 Reviewed-on: https://go-review.googlesource.com/126621 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Tim Cooper authored
name old time/op new time/op delta Dump/256-4 7.76µs ± 2% 5.82µs ± 2% -24.91% (p=0.008 n=5+5) Dump/1024-4 28.4µs ± 2% 22.6µs ± 3% -20.58% (p=0.008 n=5+5) Dump/4096-4 112µs ± 2% 88µs ± 0% -20.80% (p=0.016 n=5+4) Dump/16384-4 444µs ± 3% 361µs ± 7% -18.73% (p=0.008 n=5+5) name old alloc/op new alloc/op delta Dump/256-4 4.00kB ± 0% 1.39kB ± 0% -65.20% (p=0.008 n=5+5) Dump/1024-4 16.2kB ± 0% 5.5kB ± 0% -66.04% (p=0.008 n=5+5) Dump/4096-4 63.9kB ± 0% 20.6kB ± 0% -67.78% (p=0.008 n=5+5) Dump/16384-4 265kB ± 0% 82kB ± 0% -69.00% (p=0.008 n=5+5) name old allocs/op new allocs/op delta Dump/256-4 7.00 ± 0% 3.00 ± 0% -57.14% (p=0.008 n=5+5) Dump/1024-4 9.00 ± 0% 3.00 ± 0% -66.67% (p=0.008 n=5+5) Dump/4096-4 11.0 ± 0% 3.0 ± 0% -72.73% (p=0.008 n=5+5) Dump/16384-4 13.0 ± 0% 3.0 ± 0% -76.92% (p=0.008 n=5+5) Change-Id: I0a0d6de315b979142b05e333880da8a5e52b12ef Reviewed-on: https://go-review.googlesource.com/116495 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Alan Braithwaite authored
Change-Id: I76d878343c1cc14b53c700b0476ca050c1f9e6be GitHub-Last-Rev: 148a45f4b63f7f55312112bbbd982f9927ac9e6e GitHub-Pull-Request: golang/go#27107 Reviewed-on: https://go-review.googlesource.com/130235Reviewed-by:
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Tim Cooper authored
Change-Id: I93bc5de6bcb23c2639d7c2f3f5252fb6f09ca6e4 Reviewed-on: https://go-review.googlesource.com/126797Reviewed-by:
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Iskander Sharipov authored
Simplify `(T)` expressions to `T` where possible. Found using https://go-critic.github.io/overview.html#typeUnparen-ref Change-Id: Ic5ef335e03898f9fea1ff90fd83956376657fe67 Reviewed-on: https://go-review.googlesource.com/123379 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Joe Tsai <thebrokentoaster@gmail.com>
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Daniel Martí authored
It is possible to enter the parent-walking directory loop in a way that it will loop forever - if mdir is empty, and d reaches ".". To avoid this, make sure that the 'd = filepath.Dir(d)' step only happens if the parent directory is actually different than the current directory. This fixes some of the tests like TestImport/golang.org_x_net_context, which were never finishing before. While at it, also fix TestImport/golang.org_x_net, which seems to have the wrong expected error. The root of the x/net repo doesn't have a go.mod file, nor is part of a module itself, so it seems like the expected error should reflect that. After these two changes, 'go test cmd/go/internal/modload' passes on my linux/amd64 machine. Fixes #27080. Change-Id: Ie8bab0f9fbc9f447844cbbc64117420d9087db1b Reviewed-on: https://go-review.googlesource.com/129778 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Jeet Parekh authored
Fixes #26589 Change-Id: I180883a13cec229093654004b42c48d76ee20272 GitHub-Last-Rev: 2d9879de43fbcfb413116d69accdade6bc042c97 GitHub-Pull-Request: golang/go#26667 Reviewed-on: https://go-review.googlesource.com/126617Reviewed-by:
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- 20 Aug, 2018 29 commits
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Santhosh Kumar Tekuri authored
Change-Id: I4d6f7440747d4f935acddc9a5c5928ed911a2fb0 Reviewed-on: https://go-review.googlesource.com/120515Reviewed-by:
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Brad Fitzpatrick authored
Fixes #26563 Change-Id: I22b0c72d45fab9d3f31fda04da76a8c0b10cd8b6 Reviewed-on: https://go-review.googlesource.com/130115 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Andrew Bonventre <andybons@golang.org>
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Kevin Burke authored
A common error is to update the help text for a command in cmd/go, but fail to update alldocs.go, which actually prints the help text for the most common commands. Add a test that the long-form documentation help text matches the contents of alldocs.go, which will fail the build if we fail to keep the documentation in sync. We can get fancier with the test output if this is not sufficient. Fixes golang/go#26735. Change-Id: I2509765315eeb0f362633d812343d1324a01b73b Reviewed-on: https://go-review.googlesource.com/127920 Run-TryBot: Kevin Burke <kev@inburke.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Xia Bin authored
s.Func.Text only can be nil at the moment, otherwise there has some bugs in compiler's Go rumtime. Change-Id: Ib2ff9bb977352838e67f2b98a69468f6f350c1f3 Reviewed-on: https://go-review.googlesource.com/123535Reviewed-by:
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Iskander Sharipov authored
Performed `switch true {}` => `switch {}` replacement. Found using https://go-critic.github.io/overview.html#switchTrue-ref Change-Id: Ib39ea98531651966a5a56b7bd729b46e4eeb7f7c Reviewed-on: https://go-review.googlesource.com/123378 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
isharipo authored
Archreloc had this signature: func(*Link, *sym.Reloc, *sym.Symbol, *int64) bool The last *int64 argument is used as out parameter. Passed valus could be allocated on stack, but escape analysis fails here, leading to high number of unwanted allocs. If instead 4th arg is passed by value, and modified values is returned, no problems with allocations arise: func(*Link, *sym.Reloc, *sym.Symbol, int64) (int64, bool) There are 2 benefits: 1. code becomes more readable. 2. less allocations. For linking "hello world" example from net/http: name old time/op new time/op delta Linker-4 530ms ± 2% 520ms ± 2% -1.83% (p=0.001 n=17+16) It's top 1 in alloc_objects from memprofile: flat flat% sum% cum cum% 229379 33.05% 33.05% 229379 33.05% cmd/link/internal/ld.relocsym ... list relocsym: 229379 229379 (flat, cum) 33.05% of Total 229379 229379 183: var o int64 After the patch, ~230k of int64 allocs (~ 1.75mb) removed. Passes toolshash-check (toolstash cmp). Change-Id: I25504fe27967bcff70c4b7338790f3921d15473d Reviewed-on: https://go-review.googlesource.com/113637 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Ilya Tocar authored
When compiling with -race, we insert calls to racefuncentry, into every function. Add a rule that removes them in leaf functions, without instrumented loads/stores. Shaves ~30kb from "-race" version of go tool: file difference: go_old 15626192 go_new 15597520 [-28672 bytes] section differences: global text (code) = -24513 bytes (-0.358598%) read-only data = -5849 bytes (-0.167064%) Total difference -30362 bytes (-0.097928%) Fixes #24662 Change-Id: Ia63bf1827f4cf2c25e3e28dcd097c150994ade0a Reviewed-on: https://go-review.googlesource.com/121235 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Keith Randall <khr@golang.org>
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David Symonds authored
Splitting the string is unnecessary. Change-Id: I02796cb91602c1b9bf22721b985cd41b18cc92f2 Reviewed-on: https://go-review.googlesource.com/119936 Run-TryBot: David Symonds <dsymonds@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Rob Pike <r@golang.org>
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nogoegst authored
All the readers are denoted as `b` while for `Reader.Size()` it is `r`. Change-Id: Ib6f97306c11b3abb2ff30edbc9f9362cad36d080 GitHub-Last-Rev: 992f88b374b5a309303b7fa1622ee629d0fb741b GitHub-Pull-Request: golang/go#26205 Reviewed-on: https://go-review.googlesource.com/122156Reviewed-by:
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Ian Lance Taylor authored
Change-Id: I2fa547d1074ef0931196066678fadd7250a1148d Reviewed-on: https://go-review.googlesource.com/121936 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Shivansh Rai authored
Change-Id: I868dcaf84767d631bc8f1b6ef6bcb3ec18047259 Reviewed-on: https://go-review.googlesource.com/116135Reviewed-by:
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Ilya Tocar authored
We generate MOVBLZX for byte-sized LoadReg, so (MOVBQZX (LoadReg (Arg))) is the same as (LoadReg (Arg)). Remove those zero extension where possible. Triggers several times during all.bash. Fixes #25378 Updates #15300 Change-Id: If50656e66f217832a13ee8f49c47997f4fcc093a Reviewed-on: https://go-review.googlesource.com/115617 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Ilya Tocar authored
Memmove can use AVX/prefetches/other optional instructions, so only do it for small sizes, when call overhead dominates. Change-Id: Ice5e93deb11462217f7fb5fc350b703109bb4090 Reviewed-on: https://go-review.googlesource.com/112517 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Michael Munday <mike.munday@ibm.com>
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Jordan Rhee authored
Updates #26148 Change-Id: I4744ebcc77fda3acc1301a1d8857754c0ee797fa Reviewed-on: https://go-review.googlesource.com/130056 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Jordan Rhee authored
Updates #27103 Change-Id: I1f7d198879e5912661e4156a86e13de2698a5473 Reviewed-on: https://go-review.googlesource.com/130055Reviewed-by:
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Fazlul Shahriar authored
This fixes builds in Plan 9 under /n. Since directories in /n are automatically created, /n/go.mod always exists. Fixes #27074 Change-Id: Ie9a1155b7c316bdc27655f5b99172550b413838d Reviewed-on: https://go-review.googlesource.com/129804Reviewed-by:
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Shulhan authored
The updated list is taken from "src/go/build/syslist.go". Reason: one should not do web search to know the possible values of GOOS and GOARCH. The search result point to stackoverflow page which reference the above source and documentation on installation page [1]. It should available offline (as in local godoc), as part of package documentation. [1] https://golang.org/doc/install/source#environment Change-Id: I736804b8ef4dc11e0260fa862999212ab3f7b3fd Reviewed-on: https://go-review.googlesource.com/129935Reviewed-by:
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Brad Fitzpatrick authored
This reverts commit def3280e. Reason for revert: broke the vetall builder and I (Brad) forgot to run the trybots first. :( Change-Id: I255bedeb28d13e265f357060e57561e593145275 Reviewed-on: https://go-review.googlesource.com/130015Reviewed-by:
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Austin Clements authored
Change-Id: I8148eb17fe9f2cbb659c35d84cdd212b46dc23bf Reviewed-on: https://go-review.googlesource.com/129401 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Rick Hudson <rlh@golang.org>
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Austin Clements authored
Change-Id: Id5af75eaaf41f43bc6baa6d3fe2b852a2f93bb6f Reviewed-on: https://go-review.googlesource.com/129400 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Austin Clements authored
Change-Id: Ibae474a5c9a3528a042ddf19ddb4a88913a87606 Reviewed-on: https://go-review.googlesource.com/129399 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Austin Clements authored
Change-Id: I3d21587e02264fe5da1cc38d98779facfa09b927 Reviewed-on: https://go-review.googlesource.com/129398 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Austin Clements authored
netpoll is perhaps one of the most confusing uses of G lists currently since it passes around many lists as bare *g values right now. Switching to gList makes it much clearer what's an individual g and what's a list. Change-Id: I8d8993c4967c5bae049c7a094aad3a657928ba6c Reviewed-on: https://go-review.googlesource.com/129397 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Austin Clements authored
There are two manually managed G dequeues. Abstract these both into a shared gQueue type. This also introduces a gList type, which we'll use to replace several manually-managed G lists in follow-up CLs. This makes the code more readable and maintainable. gcFlushBgCredit in particular becomes much easier to follow. It also makes it easier to introduce more G queues in the future. Finally, the gList type clearly distinguishes between lists of Gs and individual Gs; currently both are represented by a *g, which can easily lead to confusion and bugs. Change-Id: Ic7798841b405d311fc8b6aa5a958ffa4c7993c6c Reviewed-on: https://go-review.googlesource.com/129396 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Giovanni Bajo authored
This allows to quickly visual inspect dependencies. Change-Id: Ice326ec69d7d57720f608b04cdf3ece153b8c5f1 Reviewed-on: https://go-review.googlesource.com/127599 Run-TryBot: Giovanni Bajo <rasky@develer.com> Reviewed-by:
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Jordan Rhee authored
Enable 'go tool objdump' to disassemble windows/arm images. Updates #26148 Change-Id: I7d11226f01d92288061f8e25980334b9bd82c41f Reviewed-on: https://go-review.googlesource.com/125649Reviewed-by:
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Jordan Rhee authored
Updates #26148 Change-Id: I407481f9c0f8e3565dcfcbbc53e5aa7427d74680 Reviewed-on: https://go-review.googlesource.com/125646Reviewed-by:
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Qais Patankar authored
Change-Id: I63b59c1ca8265e9af7eb3f9210ee1d17925de891 Reviewed-on: https://go-review.googlesource.com/129779Reviewed-by:
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Michael Munday authored
TMLL, LGDR and LDGR have all been added to the Go assembler previously, so we don't need to encode them using WORD and BYTE directives anymore. This is purely a cosmetic change, it does not change the contents of any object files. Change-Id: I93f815b91be310858297d8a0dc9e6d8e3f09dd65 Reviewed-on: https://go-review.googlesource.com/129895 Run-TryBot: Michael Munday <mike.munday@ibm.com> Reviewed-by:
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