mirror of
https://github.com/golang/go
synced 2024-11-18 15:54:42 -07:00
e89fdb8259
Change-Id: Ib7374dc87fa4d4ad5854155049e511a1ff51ca97 Reviewed-on: https://go-review.googlesource.com/8081 Reviewed-by: Minux Ma <minux@golang.org>
82 lines
4.3 KiB
Plaintext
82 lines
4.3 KiB
Plaintext
Overall:
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toolchain in Go
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new GC
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Language:
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permit omission of key type in map composite literals where key is a composite literal (https://golang.org/cl/2591)
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Build:
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Go 1.4 required to build (https://golang.org/cl/2470, https://golang.org/cl/2993)
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New Ports:
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darwin/arm, a.k.a iOS. (https://golang.org/cl/2118, 2119, 3273, 2121, 2122, ..., 2127)
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linux/arm64
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Removed Ports:
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dragonfly/386 (https://golang.org/cl/7543)
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API additions and behavior changes:
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archive/zip: add (*Writer).SetOffset method (https://golang.org/cl/7445)
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bufio: add Reader.Discard (https://golang.org/cl/2260)
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crypto/cipher: clarify what will happen if len(src) != len(dst) for the Stream interface. (https://golang.org/cl/1754)
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crypto/elliptic: add Name field to CurveParams struct (https://golang.org/cl/2133)
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crypto/tls: change default minimum version to TLS 1.0. (https://golang.org/cl/1791)
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crypto/x509: wildcards are now only accepted as the first label (https://golang.org/cl/5691)
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encoding/base64: add unpadded encodings (https://golang.org/cl/1511)
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flag: new nicer format for PrintDefaults (https://go-review.googlesource.com/7330)
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go/ast: add Implicit field to ast.EmptyStmt; changed meaning of ast.EmptyStmt.Semicolon position (https://golang.org/cl/5720)
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log: add SetOutput functions (https://golang.org/cl/2686, https://golang.org/cl/3023)
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math/big: add arbitrary precision Floats (many cl's)
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net/http: support for setting trailers from a server Handler (https://golang.org/cl/2157)
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net/http: ignore the Unix epoch time in ServeContent (https://golang.org/cl/7915)
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net/http/cgi: fix REMOTE_ADDR, REMOTE_HOST, add REMOTE_PORT (https://golang.org/cl/4933)
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net/smtp: add TLSConnectionState accessor (https://golang.org/cl/2151)
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os/signal: add Ignore and Reset (https://golang.org/cl/3580)
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runtime, syscall: use SYSCALL instruction on FreeBSD (Go 1.5 now requires FreeBSD 8-STABLE+) (https://golang.org/cl/3020)
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runtime, syscall: use get_random_bytes syscall for NaCl (Go 1.5 now requires NaCl SDK pepper-39 or above) (https://golang.org/cl/1755)
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strings: add Compare(x, y string) int, for symmetry with bytes.Compare (https://golang.org/cl/2828)
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syscall: Add Foreground and Pgid to SysProcAttr (https://golang.org/cl/5130)
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syscall: add missing Syscall9 for darwin/amd64 (https://golang.org/cl/6555)
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testing/quick: support generation of arrays (https://golang.org/cl/3865)
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Tools:
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build: external linking support for windows (https://golang.org/cl/7163, 7282, 7283, 7284, 7534, 7535)
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cmd/go, go/build: add ${SRCDIR} variable expansion to cgo lines (https://golang.org/cl/1756)
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cmd/go: std wildcard now excludes commands in main repo (https://golang.org/cl/5550)
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cmd/go: .swig/.swigcxx files now require SWIG 3.0.6 or later
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cmd/vet: better validation of struct tags (https://golang.org/cl/2685)
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cmd/ld: no longer record build timestamp in Windows PE file header (https://golang.org/cl/3740)
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cmd/trace: new command to view traces (https://golang.org/cl/3601)
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Performance:
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cmd/gc: optimize memclr of slices and arrays (https://golang.org/cl/2520)
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cmd/internal/gc: transitive inlining (https://golang.org/cl/5952)
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cmd/internal/gc: inline x := y.(*T) and x, ok := y.(*T) (https://golang.org/cl/7862)
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sort: number of Sort performance optimizations (https://golang.org/cl/2100, https://golang.org/cl/2614, ...)
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strconv: optimize decimal to string conversion (https://golang.org/cl/2105)
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math/big: faster assembly kernels for amd64 and 386 (https://golang.org/cl/2503, https://golang.org/cl/2560)
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math/big: faster "pure Go" kernels for platforms w/o assembly kernels (https://golang.org/cl/2480)
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regexp: port RE2's bitstate backtracker to the regexp package (https://golang.org/cl/2153)
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Assembler:
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ARM assembly syntax has had some features removed.
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- mentioning SP or PC as a hardware register
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These are always pseudo-registers except that in some contexts
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they're not, and it's confusing because the context should not affect
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which register you mean. Change the references to the hardware
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registers to be explicit: R13 for SP, R15 for PC.
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- constant creation using assignment
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The files say a=b when they could instead say #define a b.
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There is no reason to have both mechanisms.
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- R(0) to refer to R0.
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Some macros use this to a great extent. Again, it's easy just to
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use a #define to rename a register.
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Also expression evaluation now uses uint64s instead of signed integers and the
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precedence of operators is now Go-like rather than C-like.
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