- 15 Sep, 2016 5 commits
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Matthew Dempsky authored
These are no longer reachable as gins dispatches to ginscon for all arch-specific instructions anyway. Change-Id: I7f34883c16058308d8afa0f960dcf554af31bfe4 Reviewed-on: https://go-review.googlesource.com/29211Reviewed-by:
Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Dave Cheney authored
After the removal of the old backend many types are no longer referenced outside internal/gc. Make these functions private so that tools like honnef.co/go/unused can spot when they become dead code. In doing so this CL identified several previously public helpers which are no longer used, so removes them. Change-Id: Idc2d485f493206de9d661bd3cb0ecb4684177b32 Reviewed-on: https://go-review.googlesource.com/29133 Run-TryBot: Dave Cheney <dave@cheney.net> Reviewed-by:
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Dave Cheney authored
Remove unused functions spotted by honnef.co/go/unused. Change-Id: Iabf3b201215ce21e420a60f4ef2679b36231eda7 Reviewed-on: https://go-review.googlesource.com/29132 Run-TryBot: Dave Cheney <dave@cheney.net> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Keith Randall authored
It's not everything, but it is a good start. I tried to make the CL delete only. goimports forced a few exceptions to that rule. Update #16357 Change-Id: I041925cb2fe68bb7ae1617af862b22c48da649c1 Reviewed-on: https://go-review.googlesource.com/29168 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
Martin Möhrmann <martisch@uos.de>
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Keith Randall authored
Get rid of BlockCheck. Josh goaded me into it, and I went down a rabbithole making it happen. NilCheck now panics if the pointer is nil and returns void, as before. BlockCheck is gone, and NilCheck is no longer a Control value for any block. It just exists (and deadcode knows not to throw it away). I rewrote the nilcheckelim pass to handle this case. In particular, there can now be multiple NilCheck ops per block. I moved all of the arch-dependent nil check elimination done as part of ssaGenValue into its own proper pass, so we don't have to duplicate that code for every architecture. Making the arch-dependent nil check its own pass means I needed to add a bunch of flags to the opcode table so I could write the code without arch-dependent ops everywhere. Change-Id: I419f891ac9b0de313033ff09115c374163416a9f Reviewed-on: https://go-review.googlesource.com/29120 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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- 14 Sep, 2016 24 commits
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Josh Bleecher Snyder authored
We will soon add dedicated builders for running vet/all. Their name will end with "-vetall". On those builders, run vet/all and nothing else. On all other builders, including local all.bash, don't run vet/all at all, because it is slow. This will probably be refined more over time. Change-Id: Ib1d0337adda84353931a325515c132068d4320cd Reviewed-on: https://go-review.googlesource.com/28962 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
Passes toolstash -cmp. Fixes #16870. Change-Id: I70dc3bbb3cd3031826e5a54b96ba1ea603c282d1 Reviewed-on: https://go-review.googlesource.com/27910 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Martin Möhrmann authored
when not instrumenting: - Intrinsify uses of slicebytetostringtmp within the runtime package in the ssa backend. - Pass OARRAYBYTESTRTMP nodes to the compiler backends for lowering instead of generating calls to slicebytetostringtmp. name old time/op new time/op delta ConcatStringAndBytes-4 27.9ns ± 2% 24.7ns ± 2% -11.52% (p=0.000 n=43+43) Fixes #17044 Change-Id: I51ce9c3b93284ce526edd0234f094e98580faf2d Reviewed-on: https://go-review.googlesource.com/29017 Run-TryBot: Martin Möhrmann <martisch@uos.de> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Keith Randall <khr@golang.org>
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Josh Bleecher Snyder authored
Change-Id: I63e7fd7f62aa80e1252b0c5b6c472439aa66da73 Reviewed-on: https://go-review.googlesource.com/29169Reviewed-by:
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Joe Tsai authored
It is unlikely that the value of UnixNano overflow in most use cases. However, the max date of 2262 is also within the range where it may be of concern to some users. Rather than have each person recompute when this overflows to validate if its okay for their use case, we just document it as within the years 1678 and 2262, for user's convenience. Fixes #16977 Change-Id: I4988738c147f4a6d30f8b8735c3941b75113bb16 Reviewed-on: https://go-review.googlesource.com/28478Reviewed-by:
Andrew Gerrand <adg@golang.org>
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Matthew Dempsky authored
Prepared with gofmt -r. Change-Id: Ib9f224cc20353acd9c5850dead1a2d32ca5427d3 Reviewed-on: https://go-review.googlesource.com/29165 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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Brad Fitzpatrick authored
No need to test so many sizes in race mode, especially for a package which doesn't use goroutines. Reduces test time from 2.5 minutes to 25 seconds. Updates #17104 Change-Id: I7065b39273f82edece385c0d67b3f2d83d4934b8 Reviewed-on: https://go-review.googlesource.com/29163Reviewed-by:
David Crawshaw <crawshaw@golang.org>
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Brad Fitzpatrick authored
No coverage is gained by running the 1e6 versions of the test over the 1e4 versions. It just adds 140 seconds of race overhead time. Updates #17104 Change-Id: I41408aedae34a8b1a148eebdda20269cdefffba3 Reviewed-on: https://go-review.googlesource.com/29159 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Found by vet. Change-Id: I9dbc6208ddbb5b407f4ddd20efbc166aac852cf7 Reviewed-on: https://go-review.googlesource.com/29162 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Josh Bleecher Snyder authored
CL 29110 brought the fix into the main tree. Change-Id: I7bf02670d40f22d35c63e05173419fdee9f93462 Reviewed-on: https://go-review.googlesource.com/29161 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Josh Bleecher Snyder authored
The standard sort swap method func (t T) Swap(i, j int) { t[i], t[j] = t[j], t[i] } uses no stack space on architectures for which FixedFrameSize == 0, currently 386 and amd64. Nevertheless, we insert a stack check prologue. This is because it contains a call to runtime.panicindex. However, for a few common runtime functions, we know at compile time that they require no arguments. Allow them to pass unnoticed. Triggers for 380 functions during make.bash. Cuts 4k off cmd/go. encoding/binary benchmarks: ReadSlice1000Int32s-8 9.49µs ± 3% 9.41µs ± 5% ~ (p=0.075 n=29+27) ReadStruct-8 1.50µs ± 3% 1.48µs ± 2% -1.49% (p=0.000 n=30+28) ReadInts-8 599ns ± 3% 600ns ± 3% ~ (p=0.471 n=30+29) WriteInts-8 836ns ± 4% 841ns ± 3% ~ (p=0.371 n=30+29) WriteSlice1000Int32s-8 8.84µs ± 3% 8.69µs ± 5% -1.71% (p=0.001 n=30+30) PutUvarint32-8 29.6ns ± 1% 28.1ns ± 3% -5.21% (p=0.000 n=28+28) PutUvarint64-8 82.6ns ± 5% 82.3ns ±10% -0.43% (p=0.014 n=27+30) Swap assembly before: "".T.Swap t=1 size=74 args=0x28 locals=0x0 0x0000 00000 (swap.go:5) TEXT "".T.Swap(SB), $0-40 0x0000 00000 (swap.go:5) MOVQ (TLS), CX 0x0009 00009 (swap.go:5) CMPQ SP, 16(CX) 0x000d 00013 (swap.go:5) JLS 67 0x000f 00015 (swap.go:5) FUNCDATA $0, gclocals·3cadd97b66f25a3a642be35e9362338f(SB) 0x000f 00015 (swap.go:5) FUNCDATA $1, gclocals·69c1753bd5f81501d95132d08af04464(SB) 0x000f 00015 (swap.go:5) MOVQ "".i+32(FP), AX 0x0014 00020 (swap.go:5) MOVQ "".t+16(FP), CX 0x0019 00025 (swap.go:5) CMPQ AX, CX 0x001c 00028 (swap.go:5) JCC $0, 60 0x001e 00030 (swap.go:5) MOVQ "".t+8(FP), DX 0x0023 00035 (swap.go:5) MOVBLZX (DX)(AX*1), BX 0x0027 00039 (swap.go:5) MOVQ "".j+40(FP), SI 0x002c 00044 (swap.go:5) CMPQ SI, CX 0x002f 00047 (swap.go:5) JCC $0, 60 0x0031 00049 (swap.go:5) MOVBLZX (DX)(SI*1), CX 0x0035 00053 (swap.go:5) MOVB CL, (DX)(AX*1) 0x0038 00056 (swap.go:5) MOVB BL, (DX)(SI*1) 0x003b 00059 (swap.go:5) RET 0x003c 00060 (swap.go:5) PCDATA $0, $1 0x003c 00060 (swap.go:5) CALL runtime.panicindex(SB) 0x0041 00065 (swap.go:5) UNDEF 0x0043 00067 (swap.go:5) NOP 0x0043 00067 (swap.go:5) CALL runtime.morestack_noctxt(SB) 0x0048 00072 (swap.go:5) JMP 0 Swap assembly after: "".T.Swap t=1 size=52 args=0x28 locals=0x0 0x0000 00000 (swap.go:5) TEXT "".T.Swap(SB), $0-40 0x0000 00000 (swap.go:5) FUNCDATA $0, gclocals·3cadd97b66f25a3a642be35e9362338f(SB) 0x0000 00000 (swap.go:5) FUNCDATA $1, gclocals·69c1753bd5f81501d95132d08af04464(SB) 0x0000 00000 (swap.go:5) MOVQ "".i+32(FP), AX 0x0005 00005 (swap.go:5) MOVQ "".t+16(FP), CX 0x000a 00010 (swap.go:5) CMPQ AX, CX 0x000d 00013 (swap.go:5) JCC $0, 45 0x000f 00015 (swap.go:5) MOVQ "".t+8(FP), DX 0x0014 00020 (swap.go:5) MOVBLZX (DX)(AX*1), BX 0x0018 00024 (swap.go:5) MOVQ "".j+40(FP), SI 0x001d 00029 (swap.go:5) CMPQ SI, CX 0x0020 00032 (swap.go:5) JCC $0, 45 0x0022 00034 (swap.go:5) MOVBLZX (DX)(SI*1), CX 0x0026 00038 (swap.go:5) MOVB CL, (DX)(AX*1) 0x0029 00041 (swap.go:5) MOVB BL, (DX)(SI*1) 0x002c 00044 (swap.go:5) RET 0x002d 00045 (swap.go:5) PCDATA $0, $1 0x002d 00045 (swap.go:5) CALL runtime.panicindex(SB) 0x0032 00050 (swap.go:5) UNDEF Change-Id: I57dad14af8aaa5e6112deac407cfadc2bfaf1f54 Reviewed-on: https://go-review.googlesource.com/24814 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
Josh Bleecher Snyder authored
cmd/cover, cmd/trace, and cmd/pprof all open browsers. 'go bug' will soon also open a browser. It is time to unify the browser-handling code. Change-Id: Iee6b443e21e938aeaaac366a1aefb1afbc7d9b2c Reviewed-on: https://go-review.googlesource.com/29160 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by:
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Brad Fitzpatrick authored
Don't benchmark so many sizes during the race builder's benchmark run. This package doesn't even use goroutines. Cuts off 10 seconds. Updates #17104 Change-Id: Ibb2c7272c18b9014a775949c656a5b930f197cd4 Reviewed-on: https://go-review.googlesource.com/29158Reviewed-by:
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Brad Fitzpatrick authored
Shave 6.5 minutes off the *-race build time. The *-race builders run: go test -short -race -run=^$ -benchtime=.1s -cpu=4 $PKG ... for each package with benchmarks. The point isn't to measure the speed of the packages, but rather to see if there are any races. (which is why a benchtime of 0.1 seconds is used) But running in race mode makes things slower and our benchmarks aren't all very fast to begin with. The regexp benchmarks in race were taking over 6.5 minutes. With this CL, it's now 8 seconds. Updates #17104 Change-Id: I054528d09b1568d37aac9f9b515d6ed90a5cf5b0 Reviewed-on: https://go-review.googlesource.com/29156 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
Keith Randall authored
Rip out the code that allows SSA to be used conditionally. No longer exists: ssa=0 flag GOSSAHASH GOSSAPKG SSATEST GOSSAFUNC now only controls the printing of the IR/html. Still need to rip out all of the old backend. It should no longer be callable after this CL. Update #16357 Change-Id: Ib30cc18fba6ca52232c41689ba610b0a94aa74f5 Reviewed-on: https://go-review.googlesource.com/29155 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Chase authored
It passed tests once, if anything's wrong, better to fail sooner than later. Change-Id: Ibb1c5db3f4c5535a4ff4681fd157db77082c5041 Reviewed-on: https://go-review.googlesource.com/28982 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
The go_test_bench:* tests run: go test -short -race -run=^$ -benchtime=.1s -cpu=4 $PKG ... on each discovered package with any tests. (The same set used for the "go_test:*" tests) That set was 168 packages: $ go tool dist test -list | grep go_test: | wc -l 168 But only 76 of those have a "func Benchmark", and running each "go_test_bench:" test and compiling it in race mode, just to do nothing took 1-2 seconds each. So stop doing that and filter out the useless packages earlier. Now: $ go tool dist test -list -race | grep go_test_bench: | wc -l 76 Should save 90-180 seconds. (or maybe 45 seconds for trybots, since they're sharded) Updates #17104 Change-Id: I08ccb072a0dc0454ea425540ee8e74b59f83b773 Reviewed-on: https://go-review.googlesource.com/29153 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: -
Josh Bleecher Snyder authored
CL 26668 exposed #17065. Skip the cgo race tests on darwin for now. Updates #17065 Change-Id: I0ad0ce2ff1af6d515b8ce6184ddeabc49806950f Reviewed-on: https://go-review.googlesource.com/29077 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Jan Mercl authored
The change corrects the values of the largest float32 value (f1) and the value of the halfway point between f1 and the next, overflow value (f2). Fixes #17012 Change-Id: Idaf9997b69d61fafbffdb980d751c9857732e14d Reviewed-on: https://go-review.googlesource.com/29171Reviewed-by:
Robert Griesemer <gri@golang.org>
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David Crawshaw authored
For #17068 Change-Id: I4e3ab166f08100292b779b651a9acfbfb44a55cd Reviewed-on: https://go-review.googlesource.com/29119 Run-TryBot: David Crawshaw <crawshaw@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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David Crawshaw authored
This gets -buildmode=pie -ldflags=-linkmode=internal working on Ubuntu 16.04. Fixes #17068 Change-Id: Ice5036199005fb528cc58279a7f057170dc6b73d Reviewed-on: https://go-review.googlesource.com/29118 Run-TryBot: David Crawshaw <crawshaw@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Michael Hudson-Doyle <michael.hudson@canonical.com> Reviewed-by:
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David Stainton authored
Fixes #16681 Change-Id: I6ff7ec81fe48ab06be3aae5b7ff92e9dc70960c3 Reviewed-on: https://go-review.googlesource.com/26990 Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Mikio Hara <mikioh.mikioh@gmail.com>
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Emmanuel Odeke authored
Updates #16360. Adds examples for: + Chmod + Chtimes + FileMode Change-Id: I1b61ee0392fa3774593a7f36aaf0fa1e484c778b Reviewed-on: https://go-review.googlesource.com/28963 Run-TryBot: Andrew Gerrand <adg@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Aaron Jacobs authored
While you could argue the previous wording technically said that -1 is an acceptable way to indicate "unknown" on the client, it could be read as ambiguous. Now it's clear that both 0 and -1 mean unknown. Change-Id: I3bc5a3fd5afd1999e487296ec121eb548415e6b0 Reviewed-on: https://go-review.googlesource.com/29130Reviewed-by:
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- 13 Sep, 2016 11 commits
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David Crawshaw authored
Created by running 'go generate'. That made debugging fun today. Change-Id: I9ffe00877851f2b198275220ad6058b9005daa72 Reviewed-on: https://go-review.googlesource.com/29117Reviewed-by:
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David Crawshaw authored
Change-Id: I11899096c71ee0e24e902c87914601fcd7ffd7a9 Reviewed-on: https://go-review.googlesource.com/28967Reviewed-by:
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Matthew Dempsky authored
Exported is no longer used since removing the text-format exporter, and Safe is only used within importfile so it can be made into a local variable. Change-Id: I92986f704d7952759c79d9243620a22c24602333 Reviewed-on: https://go-review.googlesource.com/29115 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Matthew Dempsky authored
Just use Ctxt.Bso instead. Change-Id: I68f1639f0b4c238ae5499ef49e78a5d734417979 Reviewed-on: https://go-review.googlesource.com/29114 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Hiroshi Ioka authored
Current code uses trees of bytes.Buffer as data representation. Each bytes.Buffer takes 4k bytes at least, so it's waste of memory. The change introduces trees of lazy-encoder as alternative one which reduce allocations. name old time/op new time/op delta Marshal-4 64.7µs ± 2% 42.0µs ± 1% -35.07% (p=0.000 n=9+10) name old alloc/op new alloc/op delta Marshal-4 35.1kB ± 0% 7.6kB ± 0% -78.27% (p=0.000 n=10+10) name old allocs/op new allocs/op delta Marshal-4 503 ± 0% 293 ± 0% -41.75% (p=0.000 n=10+10) Change-Id: I32b96c20b8df00414b282d69743d71a598a11336 Reviewed-on: https://go-review.googlesource.com/27030Reviewed-by:
Adam Langley <agl@golang.org> Reviewed-by:
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Adam Langley authored
If there are too few primes of the given length then it can be impossible to generate an RSA key with n distinct primes. This change approximates the expected number of candidate primes and causes key generation to return an error if it's unlikely to succeed. Fixes #16596. Change-Id: I53b60d0cb90e2d0e6f0662befa64d13f24af51a7 Reviewed-on: https://go-review.googlesource.com/28969Reviewed-by:
Minux Ma <minux@golang.org> Reviewed-by:
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Michael Munday authored
CL 28978 (6ec993ad) accidentally disabled the test (it would only run if amd64 AND s390x, whereas it should be amd64 OR s390x). Change-Id: I23c1ad71724ff55f5808d5896b19b62c8ec5af76 Reviewed-on: https://go-review.googlesource.com/28981Reviewed-by:
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Michael Munday authored
The new SSA backend modifies the ABI slightly: R0 is now a usable general purpose register. Fixes #16677. Change-Id: I367435ce921e0c7e79e021c80cf8ef5d1d1466cf Reviewed-on: https://go-review.googlesource.com/28978 Run-TryBot: Michael Munday <munday@ca.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Brad Fitzpatrick authored
This CL makes code like this work: res, err := http.Get("https://фу.бар/баз") So far, IDNA support is limited to the http1 and http2 Transports. The http package is currently responsible for converting domain names into Punycode before calling the net layer. The http package also has to Punycode-ify the hostname for the Host & :authority headers for HTTP/1 and HTTP/2, respectively. No automatic translation from Punycode back to Unicode is performed, per Go's historical behavior. Docs are updated where relevant. No changes needed to the Server package. Things are already in ASCII at that point. No changes to the net package, at least yet. Updates x/net/http2 to git rev 57c7820 for https://golang.org/cl/29071 Updates #13835 Change-Id: I1e9a74c60d00a197ea951a9505da5c3c3187099b Reviewed-on: https://go-review.googlesource.com/29072Reviewed-by:Chris Broadfoot <cbro@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
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Brad Fitzpatrick authored
Updates x/net/http2 (and x/net/lex/httplex) to git rev 749a502 for: http2: don't sniff first Request.Body byte in Transport until we have a conn https://golang.org/cl/29074 Fixes #17071 http2: add Transport support for unicode domain names https://golang.org/cl/29071 Updates #13835 http2: don't send bogus :path pseudo headers if Request.URL.Opaque is set https://golang.org/cl/27632 + http2: fix bug where '*' as a valid :path value in Transport https://golang.org/cl/29070 Updates #16847 http2: fix all vet warnings https://golang.org/cl/28344 Updates #16228 Updates #11041 Also uses the new -underscore flag to x/tools/cmd/bundle from https://golang.org/cl/29086 Change-Id: Ica0f6bf6e33266237e37527a166a783d78c059c4 Reviewed-on: https://go-review.googlesource.com/29110 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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Josh Bleecher Snyder authored
Consider repeatedly adding many items to a map and then deleting them all, as in #16070. The map itself doesn't need to grow above the high water mark of number of items. However, due to random collisions, the map can accumulate overflow buckets. Prior to this CL, those overflow buckets were never removed, which led to a slow memory leak. The problem with removing overflow buckets is iterators. The obvious approach is to repack keys and values and eliminate unused overflow buckets. However, keys, values, and overflow buckets cannot be manipulated without disrupting iterators. This CL takes a different approach, which is to reuse the existing map growth mechanism, which is well established, well tested, and safe in the presence of iterators. When a map has accumulated enough overflow buckets we trigger map growth, but grow into a map of the same size as before. The old overflow buckets will be left behind for garbage collection. For the code in #16070, instead of climbing (very slowly) forever, memory usage now cycles between 264mb and 483mb every 15 minutes or so. To avoid increasing the size of maps, the overflow bucket counter is only 16 bits. For large maps, the counter is incremented stochastically. Fixes #16070 Change-Id: If551d77613ec6836907efca58bda3deee304297e Reviewed-on: https://go-review.googlesource.com/25049 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
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