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The variable represents the RISC-V user-mode application profile for
which to compile. Valid values are rva20u64 (the default) and
rva22u64.
Setting GORISCV64=rva20u64 defines the riscv64.rva20u64 build tag,
sets the internal variable buildcfg.GORISCV64 to 20 and defines the
macro GORISCV64_rva20u64 for use in assembly language code.
Setting GORISCV64=rva22u64 defines the riscv64.rva20u64 and
riscv64.rva22u64 build tags, sets the internal variable
buildcfg.GORISCV64 to 22 and defines the macro GORISCV64_rva22u64
for use in assembly language code.
This patch only provides a mechanism for the compiler and hand-coded
assembly language functions to take advantage of the RISC-V
extensions mandated by the application profiles. Further patches
will be required to get the compiler/assembler and assembly language
functions to actually generate and use these extensions.
Fixes #61476
Change-Id: I9195ae6ee71703cd2112160e89157ab63b8391af
Reviewed-on: https://go-review.googlesource.com/c/go/+/541135
Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
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This change introduces new options to set the floating point
mode on ARM targets. The GOARM version number can optionally be
followed by ',hardfloat' or ',softfloat' to select whether to
use hardware instructions or software emulation for floating
point computations, respectively. For example,
GOARM=7,softfloat.
Previously, software floating point support was limited to
GOARM=5. With these options, software floating point is now
extended to all ARM versions, including GOARM=6 and 7. This
change also extends hardware floating point to GOARM=5.
GOARM=5 defaults to softfloat and GOARM=6 and 7 default to
hardfloat.
For #61588
Change-Id: I23dc86fbd0733b262004a2ed001e1032cf371e94
Reviewed-on: https://go-review.googlesource.com/c/go/+/514907
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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While at it, also using "slices" package to simplify code.
For #63489
Change-Id: I72b325f6ad379b996c108145885fa71706f6659f
Reviewed-on: https://go-review.googlesource.com/c/go/+/536055
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Also gofmt a test file to make sure the parser works.
Fixes #62267.
Change-Id: I9b9f12b06bae7df626231000879b5ed7df3cd9ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/522635
Reviewed-by: Ian Lance Taylor <iant@google.com>
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cmd/distpack removes GOROOT/test from its distribution.
For #24904.
Change-Id: I6d1a8c608a1a1fe3fddfe0cd5279202ea9c2b3ce
Reviewed-on: https://go-review.googlesource.com/c/go/+/504058
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Currently ArenaNew expects the type passed in to be a *T and it returns
a *T. This does not match the function's documentation.
Since this is an experiment, change ArenaNew to match the documentation.
This more closely aligns ArenaNew with arena.New. (Takes a type T,
returns a *T value.)
Note that this is a breaking change. However, as far as pkg.go.dev can
tell, there's exactly one package using it in the open source world.
Also, add smoke test for the exported API, which is just a wrapper
around the internal API. Clearly there's enough room for error here that
it should be tested, but we don't need thorough tests at this layer
because that already exists in the runtime. We just need to make sure it
basically works.
Fixes #60528.
Change-Id: I673cc4609378380ef80648b0c2eb2928e73f49c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/501860
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Fix spelling errors discovered using https://github.com/codespell-project/codespell. Errors in data files and vendored packages are ignored.
Change-Id: I83c7818222f2eea69afbd270c15b7897678131dc
GitHub-Last-Rev: 3491615b1b82832cc0064f535786546e89aa6184
GitHub-Pull-Request: golang/go#60758
Reviewed-on: https://go-review.googlesource.com/c/go/+/502576
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The go command already places $GOROOT/bin at the beginning of $PATH in
the test's environment as of Go 1.19¹, so there's no need for the test
to do it anymore. Start enjoying yet another benefit of using 'go test'.
¹ See go.dev/issue/57050.
For #56844.
Change-Id: If7732cd8b8979eabf185485d3c73858a4e546d69
Reviewed-on: https://go-review.googlesource.com/c/go/+/498271
Reviewed-by: Bryan Mills <bcmills@google.com>
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This reverts commit e7a9ca0a53db4b4f357b5d3caaef65e44ce08a90.
Reason for revert: Decided to delay to Go 1.22.
Change-Id: I4635cb4c1372b54cac573041be8a43e294de5183
Reviewed-on: https://go-review.googlesource.com/c/go/+/497975
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Change-Id: Ib4094c70b8aa5e818f9f017c59d464d4c178169d
Reviewed-on: https://go-review.googlesource.com/c/go/+/497716
Auto-Submit: Robert Griesemer <gri@google.com>
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The effect and motivation is for the test to be selected when doing
'go test cmd' and not when doing 'go test std' since it's primarily
about testing the Go compiler and linker. Other than that, it's run
by all.bash and 'go test std cmd' as before.
For #56844.
Fixes #60059.
Change-Id: I2d499af013f9d9b8761fdf4573f8d27d80c1fccf
Reviewed-on: https://go-review.googlesource.com/c/go/+/493876
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
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