- 15 Oct, 2016 3 commits
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Austin Clements authored
This pragma cancels the effect of go:nowritebarrierrec. This is useful in the scheduler because there are places where we enter a function without a valid P (and hence cannot have write barriers), but then obtain a P. This allows us to annotate the function with go:nowritebarrierrec and split out the part after we've obtained a P into a go:yeswritebarrierrec function. Change-Id: Ic8ce4b6d3c074a1ecd8280ad90eaf39f0ffbcc2a Reviewed-on: https://go-review.googlesource.com/30938Reviewed-by:
Matthew Dempsky <mdempsky@google.com> Reviewed-by:
Keith Randall <khr@golang.org>
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Ilya Tocar authored
This simplifies code and provides performance iprovments: Similar to https://go-review.googlesource.com/#/c/28577 CountHard1-48 1.74ms ±14% 0.17ms ±14% -90.16% (p=0.000 n=19+19) CountHard2-48 1.78ms ±15% 0.25ms ±13% -86.10% (p=0.000 n=19+20) CountHard3-48 1.78ms ±12% 0.80ms ±11% -55.19% (p=0.000 n=17+20) CountTorture-48 13.5µs ±14% 13.6µs ±11% ~ (p=0.625 n=18+19) CountTortureOverlapping-48 6.92ms ±13% 8.42ms ±11% +21.72% (p=0.000 n=19+17) Change-Id: Ief120aee918a66487c76be56e0796871c8502f89 Reviewed-on: https://go-review.googlesource.com/28586 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org>
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Daniel Theophanes authored
Many database systems allow returning multiple result sets in a single query. This can be useful when dealing with many intermediate results on the server and there is a need to return more then one arity of data to the client. Fixes #12382 Change-Id: I480a9ac6dadfc8743e0ba8b6d868ccf8442a9ca1 Reviewed-on: https://go-review.googlesource.com/30592Reviewed-by:
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- 14 Oct, 2016 3 commits
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Rob Pike authored
If a labeled statement is the target of a goto, we must treat it as the boundary of a new basic block, but only if it is not already the boundary of a basic block such as a labeled for loop. Fixes #16624 Now reports 100% coverage for the test in the issue. Change-Id: If118bb6ff53a96c738e169d92c03cb3ce97bad0e Reviewed-on: https://go-review.googlesource.com/30977Reviewed-by:
Ian Lance Taylor <iant@golang.org> Reviewed-by:
Robert Griesemer <gri@golang.org>
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Robert Griesemer authored
Fixes #17398. Change-Id: Iac7899031c1bfbadc4f84e5b374eaf1f01dff8c8 Reviewed-on: https://go-review.googlesource.com/31190Reviewed-by:
Rob Pike <r@golang.org> Reviewed-by:
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Alex Brainman authored
Fixes #15355 Change-Id: Idbab7a627c5de249bb62d519c5a47f3d2f6c82a7 Reviewed-on: https://go-review.googlesource.com/22796Reviewed-by:
Russ Cox <rsc@golang.org> Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
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- 13 Oct, 2016 23 commits
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Brad Fitzpatrick authored
Make a zero-byte write to a hijacked connection not log anything, so handlers can test whether a connection is hacked by doing a Write(nil). Fixes #16456 Change-Id: Id56caf822c8592067bd8422672f0c1aec89e866c Reviewed-on: https://go-review.googlesource.com/30812Reviewed-by:
Joe Tsai <thebrokentoaster@gmail.com>
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Michael Munday authored
Adds a test to check that block cipher modes accept a zero-length input. Fixes #17435. Change-Id: Ie093c4cdff756b5c2dcb79342e167b3de5622389 Reviewed-on: https://go-review.googlesource.com/31070 Run-TryBot: Michael Munday <munday@ca.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Filippo Valsorda authored
Closes #15815 Change-Id: I08154dbff416198cf7787e446b1e00e62c03a972 Reviewed-on: https://go-review.googlesource.com/30917Reviewed-by:
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Austin Clements authored
This clarifies some of the titles so they're more "news" friendly and less implementation-oriented. Change-Id: Ied02aa1e6824b04db5d32ecdd58e972515b1f588 Reviewed-on: https://go-review.googlesource.com/29830Reviewed-by:
Rick Hudson <rlh@golang.org>
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Alan Donovan authored
This change is a copy of CL 22788 in x/tools. It has no observable effect yet, but brings the two packages in synch. Change-Id: I266c77547cb46deb69b1a36e1674dfebc430e3a5 Reviewed-on: https://go-review.googlesource.com/22936Reviewed-by:
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Alex Brainman authored
This CL also includes vendored copy of debug/pe, otherwise bootstrapping fails. Updates #15345 Change-Id: I3a8ac990e3cb12cb4d24ec11b618b68190397fd1 Reviewed-on: https://go-review.googlesource.com/22603Reviewed-by:
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Russ Cox authored
No functional changes here. Just makes next CL easier to read. Change-Id: Icf7b2281b4da6cb59ff4edff05943b2ee288576a Reviewed-on: https://go-review.googlesource.com/30945 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Anthony Canino authored
"abc"[1] is not like 'b', in that -"abc"[1] is uint8 math, not ideal constant math. Delay the constantification until after ideal constant folding is over. Fixes #11370. Change-Id: Iba2fc00ca2455959e7bab8f4b8b4aac14b1f9858 Reviewed-on: https://go-review.googlesource.com/15740 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
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Russ Cox authored
Fixes #15146. Change-Id: I229611b9cc995a1391681c492c4d742195c787ea Reviewed-on: https://go-review.googlesource.com/30943 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Ian Lance Taylor authored
When we need to generate a call to _cgoCheckPointer, we need to type assert the result back to the desired type. That is harder when the type is unsafe.Pointer, as the package can have values of unsafe.Pointer types without actually importing unsafe, by mixing C void* and :=. We used to handle this by generating a special function for each needed type, and defining that function in a separate file where we did import unsafe. Simplify the code by not generating those functions, but instead just import unsafe under the alias _cgo_unsafe. This is a simplification step toward a fix for issue #16591. Change-Id: I0edb3e04b6400ca068751709fe063397cf960a54 Reviewed-on: https://go-review.googlesource.com/30973 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
name old time/op new time/op delta Template 349ms ± 5% 339ms ± 7% -2.89% (p=0.000 n=27+29) Unicode 187ms ±11% 182ms ±11% -2.77% (p=0.039 n=29+29) GoTypes 1.05s ± 3% 1.04s ± 4% ~ (p=0.103 n=29+29) Compiler 4.57s ± 3% 4.55s ± 3% ~ (p=0.202 n=30+29) name old user-ns/op new user-ns/op delta Template 510M ±21% 521M ±18% ~ (p=0.281 n=30+29) Unicode 303M ±34% 300M ±28% ~ (p=0.592 n=30+30) GoTypes 1.52G ± 9% 1.50G ± 9% ~ (p=0.314 n=30+30) Compiler 6.50G ± 5% 6.44G ± 5% ~ (p=0.362 n=29+30) name old alloc/op new alloc/op delta Template 44.7MB ± 0% 44.0MB ± 0% -1.63% (p=0.000 n=28+28) Unicode 34.6MB ± 0% 34.5MB ± 0% -0.18% (p=0.000 n=30+29) GoTypes 125MB ± 0% 123MB ± 0% -1.14% (p=0.000 n=30+30) Compiler 515MB ± 0% 513MB ± 0% -0.52% (p=0.000 n=30+30) name old allocs/op new allocs/op delta Template 427k ± 0% 416k ± 0% -2.66% (p=0.000 n=30+30) Unicode 323k ± 0% 322k ± 0% -0.28% (p=0.000 n=30+30) GoTypes 1.21M ± 0% 1.18M ± 0% -1.84% (p=0.000 n=29+30) Compiler 4.40M ± 0% 4.36M ± 0% -0.95% (p=0.000 n=30+30) Passes toolstash -cmp. Change-Id: Ifee7d012b1cddadda01450e027eef8d4ecf5581f Reviewed-on: https://go-review.googlesource.com/30980 Run-TryBot: Matthew Dempsky <mdempsky@google.com> Reviewed-by:
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Matthew Dempsky authored
Change-Id: I36cf3523e00b80e2d3a690f251edd5d6f665d156 Reviewed-on: https://go-review.googlesource.com/30975 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
Previously, we used OKEY nodes to represent keyed struct literal elements. The field names were represented by an ONAME node, but this is clumsy because it's the only remaining case where ONAME was used to represent a bare identifier and not a variable. This CL introduces a new OSTRUCTKEY node op for use in struct literals. These ops instead store the field name in the node's own Sym field. This is similar in spirit to golang.org/cl/20890. Significant reduction in allocations for struct literal heavy code like package unicode: name old time/op new time/op delta Template 345ms ± 6% 341ms ± 6% ~ (p=0.141 n=29+28) Unicode 200ms ± 9% 184ms ± 7% -7.77% (p=0.000 n=29+30) GoTypes 1.04s ± 3% 1.05s ± 3% ~ (p=0.096 n=30+30) Compiler 4.47s ± 9% 4.49s ± 6% ~ (p=0.890 n=29+29) name old user-ns/op new user-ns/op delta Template 523M ±13% 516M ±17% ~ (p=0.400 n=29+30) Unicode 334M ±27% 314M ±30% ~ (p=0.093 n=30+30) GoTypes 1.53G ±10% 1.52G ±10% ~ (p=0.572 n=30+30) Compiler 6.28G ± 7% 6.34G ±11% ~ (p=0.300 n=30+30) name old alloc/op new alloc/op delta Template 44.5MB ± 0% 44.4MB ± 0% -0.35% (p=0.000 n=27+30) Unicode 39.2MB ± 0% 34.5MB ± 0% -11.79% (p=0.000 n=26+30) GoTypes 125MB ± 0% 125MB ± 0% -0.12% (p=0.000 n=29+30) Compiler 515MB ± 0% 515MB ± 0% -0.10% (p=0.000 n=29+30) name old allocs/op new allocs/op delta Template 426k ± 0% 424k ± 0% -0.39% (p=0.000 n=29+30) Unicode 374k ± 0% 323k ± 0% -13.67% (p=0.000 n=29+30) GoTypes 1.21M ± 0% 1.21M ± 0% -0.14% (p=0.000 n=29+29) Compiler 4.40M ± 0% 4.39M ± 0% -0.13% (p=0.000 n=29+30) Passes toolstash/buildall. Change-Id: Iba4ee765dd1748f67e52fcade1cd75c9f6e13fa9 Reviewed-on: https://go-review.googlesource.com/30974 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
aindex is overkill when it's only ever used with known integer constants, so just use typArray directly instead. Change-Id: I43fc14e604172df859b3ad9d848d219bbe48e434 Reviewed-on: https://go-review.googlesource.com/30979 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Alex Brainman authored
This CL introduces first test for readConsole. And new test discovered couple of problems with readConsole. Console characters consist of multiple bytes each, but byte blocks returned by syscall.ReadFile have no character boundaries. Some multi-byte characters might start at the end of one block, and end at the start of next block. readConsole feeds these blocks to syscall.MultiByteToWideChar to convert them into utf16, but if some multi-byte characters have no ending or starting bytes, the syscall.MultiByteToWideChar might get confused. Current version of syscall.MultiByteToWideChar call will make syscall.MultiByteToWideChar ignore all these not complete multi-byte characters. The CL solves this issue by changing processing from "randomly sized block of bytes at a time" to "one multi-byte character at a time". New readConsole code calls syscall.ReadFile to get 1 byte first. Then it feeds this byte to syscall.MultiByteToWideChar. The new syscall.MultiByteToWideChar call uses MB_ERR_INVALID_CHARS flag to make syscall.MultiByteToWideChar return error if input is not complete character. If syscall.MultiByteToWideChar returns correspondent error, we read another byte and pass 2 byte buffer into syscall.MultiByteToWideChar, and so on until success. Old readConsole code would also sometimes return no data if user buffer was smaller then uint16 size, which would confuse callers that supply 1 byte buffer. This CL fixes that problem too. Fixes #17097 Change-Id: I88136cdf6a7bf3aed5fbb9ad2c759b6c0304ce30 Reviewed-on: https://go-review.googlesource.com/29493 Run-TryBot: Alex Brainman <alex.brainman@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Hiroshi Ioka authored
* convert important functions to methods * rename EscXXX to XXX in NodeEscState * rename local variables more friendly * simplify redundant code * update comments Change-Id: I8442bf4f8dde84523d9a2ad3d04b1cd326bd4719 Reviewed-on: https://go-review.googlesource.com/30893 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
David Chase <drchase@google.com>
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Alex Browne authored
It is easy to make the mistake of duplicating json struct field tags especially when copy/pasting. This commit causes go vet to report the mistake. Only field tags in the same struct type are considered, because that is the only case which is undoubtedly an error. Fixes #12791. Change-Id: I4130e4c04b177694cc0daf8f1acaf0751d4f062b Reviewed-on: https://go-review.googlesource.com/16704 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Michael Pratt authored
Change-Id: Iafc392ba06452419542ec85e91d44991839eb6f8 Reviewed-on: https://go-review.googlesource.com/19593 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
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Shenghou Ma authored
Fixes #9039. Change-Id: I7d213b4f8e4cda73ea7687fb97dbd22e58163949 Reviewed-on: https://go-review.googlesource.com/9683 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Shenghou Ma authored
Change-Id: I7d213b4f8e4cda73ea7687fb97dbd22e58163948 Reviewed-on: https://go-review.googlesource.com/9682 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Russ Cox authored
For #9039. Change-Id: I2b1bcd76857ff332411ca21a0cc5def3097a8eaf Reviewed-on: https://go-review.googlesource.com/30936 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
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Allan Simon authored
There was an inconsistency between the (json encoding + documentation) and the xml encoding implementation. Pointer to an empty value was not being serialized (i.e simply ignored). Which had the effect of making impossible to have a struct with a string field for which we wanted to serialize the value "" Fixes #5452 Change-Id: Id858701801158409be01e962d2cda843424bd22a Reviewed-on: https://go-review.googlesource.com/15684Reviewed-by:
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Xia Bin authored
Gccgo isn't locking the OS thread properly during calls. Change-Id: Idb2475291405e390cbb83abb27a402fd0381d0c4 Reviewed-on: https://go-review.googlesource.com/18882 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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- 12 Oct, 2016 11 commits
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Russ Cox authored
Change-Id: I74f47f519dfee10cd079ad9a4e09e36e8d74c6dc Reviewed-on: https://go-review.googlesource.com/30937 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Joe Tsai authored
Change-Id: I9ddb7d2a97d28aba7a107b65f278993daf7807fa Reviewed-on: https://go-review.googlesource.com/30960Reviewed-by:
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Lynn Boger authored
Some of the branch instructions (BEQ, BNE, BLT, etc.) accept all the valid CR values as operands, but the CR register value is not parsed and not put into the instruction, so that CR0 is always used regardless of what was specified on the instruction. For example BEQ CR2,label becomes beq cr0,label. This adds the change to the PPC64 assembler to recognize the CR value and set the approppriate field in the instruction so the correct CR is used. This also adds some general comments on the branch instruction BC and its operand values. Fixes #17408 Change-Id: I8e956372a42846a4c09a7259e9172eaa29118e71 Reviewed-on: https://go-review.googlesource.com/30930 Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Keith Randall authored
To compile: m[k] = v instead of: mapassign(maptype, m, &k, &v), do do: *mapassign(maptype, m, &k) = v mapassign returns a pointer to the value slot in the map. It is just like mapaccess except that it will allocate a new slot if k is not already present in the map. This makes map accesses faster but potentially larger (codewise). It is faster because the write into the map is done when the compiler knows the concrete type, so it can be done with a few store instructions instead of calling typedmemmove. We also potentially avoid stack temporaries to hold v. The code can be larger when the map has pointers in its value type, since there is a write barrier call in addition to the mapassign call. That makes the code at the callsite a bit bigger (go binary is 0.3% bigger). This CL is in preparation for doing operations like m[k] += v with only a single runtime call. That will roughly double the speed of such operations. Update #17133 Update #5147 Change-Id: Ia435f032090a2ed905dac9234e693972fe8c2dc5 Reviewed-on: https://go-review.googlesource.com/30815 Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by:
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Russ Cox authored
Functions like ToLower and ToUpper return the invalid rune back, so we might as well do the same here. I changed my mind about panicking when I tried to document the behavior. Fixes #16690 (again). Change-Id: If1c68bfcd66daea160fd19948e7672b0e1add106 Reviewed-on: https://go-review.googlesource.com/30935 Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by:
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David Crawshaw authored
Fixes #17415 Change-Id: I6f896d549092e5e0dba72351e5385992b4cbe90f Reviewed-on: https://go-review.googlesource.com/30933 Run-TryBot: David Crawshaw <crawshaw@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Adam Langley authored
Since this changes the offered curves in the ClientHello, all the test data needs to be updated too. Change-Id: I227934711104349c0f0eab11d854e5a2adcbc363 Reviewed-on: https://go-review.googlesource.com/30825Reviewed-by:
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Adam Langley authored
X25519 (RFC 7748) is now commonly used for key agreement in TLS connections, as specified in https://tools.ietf.org/html/draft-ietf-tls-curve25519-01. This change adds support for that in crypto/tls, but does not enabled it by default so that there's less test noise. A future change will enable it by default and will update all the test data at the same time. Change-Id: I91802ecd776d73aae5c65bcb653d12e23c413ed4 Reviewed-on: https://go-review.googlesource.com/30824Reviewed-by:
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Adam Langley authored
When updating the test data against OpenSSL, the handshake can fail and the stdout/stderr output of OpenSSL is very useful in finding out why. However, printing that output has been broken for some time because its no longer sent to a byte.Buffer. This change fixes that. Change-Id: I6f846c7dc80f1ccee9fa1be36f0b579b3754e05f Reviewed-on: https://go-review.googlesource.com/30823Reviewed-by:
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Adam Langley authored
This change imports the curve25519 package from x/crypto at revision 594708b89f21ece706681be23d04a6513a22de6e. Change-Id: I379eaa71492959e404259fc1273d0057573bc243 Reviewed-on: https://go-review.googlesource.com/30822Reviewed-by:
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Adam Langley authored
We will need OpenSSL 1.1.0 in order to test some of the features expected for Go 1.8. However, 1.1.0 also disables (by default) some things that we still want to test, such as RC4, 3DES and SSLv3. Thus developers wanting to update the crypto/tls test data will need to build OpenSSL from source. This change updates the test data with transcripts generated by 1.1.0 (in order to reduce future diffs) and also causes a banner to be printed if 1.1.0 is not used when updating. (The test for an ALPN mismatch is removed because OpenSSL now terminates the connection with a fatal alert if no known ALPN protocols are offered. There's no point testing against this because it's an OpenSSL behaviour.) Change-Id: I957516975e0b8c7def84184f65c81d0b68f1c551 Reviewed-on: https://go-review.googlesource.com/30821 Run-TryBot: Adam Langley <agl@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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