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Update to edea4a79e8d7dea2456b688f492c8af33d381dc2 which is likely to
be approximately the 1.14.2 release.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/227377
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Patch from Svante Signell.
Fixes GCC PR go/93900
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220592
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Patch from Svante Signell.
Fixes GCC PR go/93900
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220589
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/218017
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In libgo CacheLinePadSize is defined by the generated file cpugen.go.
Keep cpu_riscv64.go around, even though it is now empty, so that
we will pick up changes to it in future merges.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/216077
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/215342
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/214297
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Right now we generate hash functions for all types, just in case they
are used as map keys. That's a lot of wasted effort and binary size
for types which will never be used as a map key. Instead, generate
hash functions only for types that we know are map keys.
Just doing that is a bit too simple, since maps with an interface type
as a key might have to hash any concrete key type that implements that
interface. So for that case, implement hashing of such types at
runtime (instead of with generated code). It will be slower, but only
for maps with interface types as keys, and maybe only a bit slower as
the aeshash time probably dominates the dispatch time.
Reorg where we keep the equals and hash functions. Move the hash function
from the key type to the map type, saving a field in every non-map type.
That leaves only one function in the alg structure, so get rid of that and
just keep the equal function in the type descriptor itself.
While we're here, reorganize the rtype struct to more closely match
the gc version.
This is the gofrontend version of https://golang.org/cl/191198.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/212843
From-SVN: r279848
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PR go/93020
libgo: Hurd portability patches
By Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/212409
From-SVN: r279724
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Patch from Andreas Krebbel.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/201037
From-SVN: r276962
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/194698
From-SVN: r275691
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/193497
From-SVN: r275473
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/170706
From-SVN: r270214
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Since aix/ppc64 has been added to GC toolchain, a mix between new and
old files were created in gcc toolchain.
This commit corrects this merge for aix/ppc64 and aix/ppc.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/167658
From-SVN: r269797
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Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/167749
From-SVN: r269780
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PR go/89447
syscall, internal/syscall: adjust use of largefile functions
Consistently call __go_openat for openat. Use fstatat64, creat64,
sendfile64, and getdents64 where needed.
Based on patch by Rainer Orth.
Fixes https://gcc.gnu.org/PR89447
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/166420
From-SVN: r269521
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PR go/89407
internal/cpu: use #ifdef __s390x__ in C code
Patch by Jakub Jelinek.
Fixes https://gcc.gnu.org/PR89407
Reviewed-on: https://go-review.googlesource.com/c/163297
From-SVN: r269063
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PR go/89169
internal/cpu: do not require POWER8
Although the gc toolchain requires POWER8, the gccgo toolchain does not.
Fixes https://gcc.gnu.org/PR89169
Reviewed-on: https://go-review.googlesource.com/c/162979
From-SVN: r269019
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PR go/89123
internal/cpu, runtime: add S/390 CPU capability support
Patch by Robin Dapp.
Updates https://gcc.gnu.org/PR89123
Reviewed-on: https://go-review.googlesource.com/c/162887
From-SVN: r268941
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Patch by Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/161519
From-SVN: r268604
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Patch by Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/161517
From-SVN: r268602
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Patch by Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/160823
From-SVN: r268460
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Patch by Svante Signell.
Reviewed-on: https://go-review.googlesource.com/c/160822
From-SVN: r268459
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PR go/88927
runtime, internal/cpu: fix build for ARM GNU/Linux
Was failing with
../../../libgo/go/internal/cpu/cpu.go:138:2: error: reference to undefined name 'doinit'
138 | doinit()
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Fix it by adding in Go 1.12 internal/cpu/cpu_arm.go, and the code in
runtime that initializes the values.
Fixes https://gcc.gnu.org/PR88927.
Reviewed-on: https://go-review.googlesource.com/c/158717
From-SVN: r268131
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Restore some of the fixes that were applied to golang_org/x/net/lif
but were lost when 1.12 moved the directory to internal/x/net/lif.
Add support for reading /proc to fetch argc/argv/env for c-archive mode.
Reviewed-on: https://go-review.googlesource.com/c/158640
From-SVN: r268130
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Reviewed-on: https://go-review.googlesource.com/c/158019
gotools/:
* Makefile.am (go_cmd_vet_files): Update for Go1.12beta2 release.
(GOTOOLS_TEST_TIMEOUT): Increase to 600.
(check-runtime): Export LD_LIBRARY_PATH before computing GOARCH
and GOOS.
(check-vet): Copy golang.org/x/tools into check-vet-dir.
* Makefile.in: Regenerate.
gcc/testsuite/:
* go.go-torture/execute/names-1.go: Stop using debug/xcoff, which
is no longer externally visible.
From-SVN: r268084
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The current implementation of Gogo::pkgpath_for_symbol was written in
a way that allowed two distinct package paths to map to the same
symbol, which could cause collisions at link- time or compile-time.
Switch to a better mangling scheme to insure that we get a unique
packagepath symbol for each package. In the new scheme instead of having
separate mangling schemes for identifiers and package paths, the
main identifier mangler ("go_encode_id") now handles mangling of
both packagepath characters and identifier characters.
The new mangling scheme is more intrusive: "foo/bar.Baz" is mangled as
"foo..z2fbar.Baz" instead of "foo_bar.Baz". To mitigate this, this
patch also adds a demangling capability so that function names
returned from runtime.CallersFrames are converted back to their
original unmangled form.
Changing the pkgpath_for_symbol scheme requires updating a number of
//go:linkname directives and C "__asm__" directives to match the new
scheme, as well as updating the 'gotest' driver (which makes
assumptions about the correct mapping from pkgpath symbol to package
name).
Fixes golang/go#27534.
Reviewed-on: https://go-review.googlesource.com/c/135455
From-SVN: r265510
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Use inline assembly in the implementation of internal_cpu.xgetbv as
opposed to a call to the intrinsic _xgetbv(), since non-gcc compilers
(e.g. clang) may or may not have support for it.
Reviewed-on: https://go-review.googlesource.com/c/140137
From-SVN: r264882
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Reviewed-on: https://go-review.googlesource.com/138839
From-SVN: r264798
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This is enough to let libgo build when configured using
--with-multilib-list=m64,m32,mx32. I don't have an x32-enabled kernel
so I haven't tested whether it executes correctly.
For https://gcc.gnu.org/PR87470
Reviewed-on: https://go-review.googlesource.com/138817
From-SVN: r264772
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In internal/bytealg correct a +build tag to never build indexbyte_generic.go
for the gofrontend, where we always use indexbyte_native.go.
For internal/cpu let the Makefile define CacheLineSize using goarch.sh,
rather than trying to enumerate all the possibilities in cpu_ARCH.go files.
In internal/poll call the C fcntl function rather than using SYS_FCNTL.
Change mksysinfo.sh to ensure that F_GETPIPE_SZ is always defined,
and check that in internal/poll.
Reviewed-on: https://go-review.googlesource.com/137256
From-SVN: r264572
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Reviewed-on: https://go-review.googlesource.com/136435
gotools/:
* Makefile.am (mostlyclean-local): Run chmod on check-go-dir to
make sure it is writable.
(check-go-tools): Likewise.
(check-vet): Copy internal/objabi to check-vet-dir.
* Makefile.in: Rebuild.
From-SVN: r264546
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Reviewed-on: https://go-review.googlesource.com/115196
From-SVN: r261041
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Reviewed-on: https://go-review.googlesource.com/90775
From-SVN: r259866
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PR go/84484
libgo: add support for riscv64
Patch by Andreas Schwab.
Reviewed-on: https://go-review.googlesource.com/96377
* go.test/go-test.exp (go-set-goarch): Recognize riscv64-*-*.
From-SVN: r257914
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CL 84555 added support for the SuperH architecture, but didn't add the
randomTrap definition to be used for the getrandom syscall on Linux.
Add it now.
Reviewed-on: https://go-review.googlesource.com/90535
From-SVN: r257171
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Reviewed-on: https://go-review.googlesource.com/87897
From-SVN: r256794
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Update the Go library to the 1.10beta1 release.
Requires a few changes to the compiler for modifications to the map
runtime code, and to handle some nowritebarrier cases in the runtime.
Reviewed-on: https://go-review.googlesource.com/86455
gotools/:
* Makefile.am (go_cmd_vet_files): New variable.
(go_cmd_buildid_files, go_cmd_test2json_files): New variables.
(s-zdefaultcc): Change from constants to functions.
(noinst_PROGRAMS): Add vet, buildid, and test2json.
(cgo$(EXEEXT)): Link against $(LIBGOTOOL).
(vet$(EXEEXT)): New target.
(buildid$(EXEEXT)): New target.
(test2json$(EXEEXT)): New target.
(install-exec-local): Install all $(noinst_PROGRAMS).
(uninstall-local): Uninstasll all $(noinst_PROGRAMS).
(check-go-tool): Depend on $(noinst_PROGRAMS). Copy down
objabi.go.
(check-runtime): Depend on $(noinst_PROGRAMS).
(check-cgo-test, check-carchive-test): Likewise.
(check-vet): New target.
(check): Depend on check-vet. Look at cmd_vet-testlog.
(.PHONY): Add check-vet.
* Makefile.in: Rebuild.
From-SVN: r256365
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Reviewed-on: https://go-review.googlesource.com/64551
From-SVN: r253016
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Reviewed-on: https://go-review.googlesource.com/63753
From-SVN: r252767
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libgo: remove old MIPS architecture names
This removes the old names for the 3 main MIPS ABIs: mipso32, mipsn32
and mipsn64. It also removes the mipso64 ABI which has no equivalent
architecture name in go. This ABI has been dead for sometime and I doubt
anyone will miss it.
Change-Id: I087b243784edf6705fdaf9c32e3233da5e387283
From-SVN: r249485
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This removes the old names for the 3 main MIPS ABIs: mipso32, mipsn32
and mipsn64. It also removes the mipso64 ABI which has no equivalent
architecture name in go. This ABI has been dead for sometime and I doubt
anyone will miss it.
Reviewed-on: https://go-review.googlesource.com/46154
From-SVN: r249477
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Rename getrandom_linux_mipsn32.go to use the new architecture name for
the n32 ABI and enable building it on mips64p32 and mips64p32le.
Reviewed-on: https://go-review.googlesource.com/46151
From-SVN: r249474
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If GO_TESTING_GOTOOLS is set in the environment, permit tests using
gccgo to run the go tool. Like GO_BUILDER_NAME, this should not be set
normally. But it is needed when testing the go tool itself, and will
be set by the gotools Makefile in a future CL.
Reviewed-on: https://go-review.googlesource.com/45693
From-SVN: r249195
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Reviewed-on: https://go-review.googlesource.com/40775
From-SVN: r246957
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Patch by Andrwas Schwab.
Reviewed-on: https://go-review.googlesource.com/38456
From-SVN: r246410
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Compiler changes:
* Change map assignment to use mapassign and assign value directly.
* Change string iteration to use decoderune, faster for ASCII strings.
* Change makeslice to take int, and use makeslice64 for larger values.
* Add new noverflow field to hmap struct used for maps.
Unresolved problems, to be fixed later:
* Commented out test in go/types/sizes_test.go that doesn't compile.
* Commented out reflect.TestStructOf test for padding after zero-sized field.
Reviewed-on: https://go-review.googlesource.com/35231
gotools/:
Updates for Go 1.8rc1.
* Makefile.am (go_cmd_go_files): Add bug.go.
(s-zdefaultcc): Write defaultPkgConfig.
* Makefile.in: Rebuild.
From-SVN: r244456
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Since sparc is a valid architecture, the name of
getrandom_linux_sparc.go means that it will be ignored on sparc64,
even though it's whitelisted with a +build line.
On SPARC, clone has a unique return value convention which requires
some inline assembly to convert it to the normal convention.
Reviewed-on: https://go-review.googlesource.com/30873
From-SVN: r241051
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Reviewed-on: https://go-review.googlesource.com/29678
From-SVN: r240457
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Also change the configure script to set GOARCH correctly for ia64, and
add ia64 as a processor to match.sh and gotest.
Reviewed-on: https://go-review.googlesource.com/25549
From-SVN: r239225
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