This CL updates big.Jacobi to avoid forcing its y argument to escape
to the heap. The argument was escaping because it was being passed
through an empty interface to fmt.Sprintf during an assertion failure.
As a result, callers of Jacobi and Int.ModSqrt (which calls Jacobi)
could not keep this value on the stack.
Noticed when working on https://github.com/cockroachdb/apd/pull/103.
Change-Id: I5db9ee2149bf13b921886929425861721b53b085
GitHub-Last-Rev: 3ee07b5dc3
GitHub-Pull-Request: golang/go#50527
Reviewed-on: https://go-review.googlesource.com/c/go/+/377014
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
The assignment operation in the program seems to be redundant, the first judgment will continue to overwrite the previous value.
The subsequent slicing operation will cut all the values without frequency.
Change-Id: Id59fc36dd5bacfde881edaf0d9c1af5348286611
Reviewed-on: https://go-review.googlesource.com/c/go/+/244157
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Joe Tsai <joetsai@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
This does not enable GCM or CBC variants for ppc64, they
require more work to support bi-endian.
Updates #18499
Change-Id: Ic2bbe81c60107abc0a4803d8b9a833213286b1d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/404395
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Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
In the file net/dnsclient_unix.go in the function newRequest
error handling is missing after calling b.Finish(). If
the implementation of dnsmessage.Builder.Finish changes
it is theoretically possible that the missing error handling
introduces a nil pointer exception.
Fixes#50946
Change-Id: I3f0785f71def6649d6089d0af71c9e50f5ccb259
GitHub-Last-Rev: 2a2197f7e6
GitHub-Pull-Request: golang/go#50948
Reviewed-on: https://go-review.googlesource.com/c/go/+/381966
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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This provides clearer synchronization invariants: if it occurs at all,
the call to c.Process.Kill always occurs before Wait returns. It also
allows any unexpected errors from the goroutine to be propagated back
to Wait.
For #50436.
Change-Id: I7ddadc73e6e67399596e35393f5845646f6111ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/401896
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Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
`go mod tidy` results in panic due to nil pointer dereference with the
current implementation. Though the panic occurs only in a limited situation
described as below, we had better fix it.
Situation:
- go.mod is in the exactly system's temporary directory (i.e. temp root)
- `go mod tidy` in temp root or in the child directory not having go.mod
No go.mod are found in the situation (i.e. *modFile is nil), however,
*modFile is referred without nil check.
Although just adding nil check works well, the better solution is using
ModFile() function. It works as same as the current implementation and,
in addition, it has either nil check and user friendly error indication.
With using it, users can get a proper error message like "go.mod file not
found in current directory or any parent directory" instead of a panic.
Fixes#51992
Change-Id: I2ba26762778acca6cd637c8eb8c615fb747063f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/400554
Reviewed-by: Bryan Mills <bcmills@google.com>
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Auto-Submit: Bryan Mills <bcmills@google.com>
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Reviewed-by: David Chase <drchase@google.com>
Noder pass will build a closure to implement generic function
instantiation which may produce `.dict` and `.rcvr` ident.
Since we allow `.dict` during exporting, we should allow `.rcvr` too.
Fixes#52241.
Change-Id: Ifc3912ba5155b5ac1887f20830da64f4fb3fceb6
Reviewed-on: https://go-review.googlesource.com/c/go/+/404314
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
CL 404296 breaks the PPC64LE build because the .TOC. symbol is
visibility hidden and was skipped from the "unresolved symbol"
check (the check needs to be fix). In face, the .TOC. symbol is
special in that it doesn't have a type but we have special logic
to assign a value to it in the address pass. So we can actually
resolve a relocation to .TOC.. We already have a special case
for PIE. It also applies to non-PIE as well.
Fix PPC64LE builds.
Change-Id: Iaf7e36f10c4d0a40fc56b2135e5ff38815e203b1
Reviewed-on: https://go-review.googlesource.com/c/go/+/404302
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
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This patch reworks CL 394534 to fix things so that reading auxiliary
symbol info works properly in a cross-endian mode (running
debug/pe-based tool on a big-endian system). The previous
implementation read in all symbol records using the primary symbol
format, then just used a pointer cast to convert to the auxiliary
format, which doesn't play well if host and target have different
endianness.
Fixes#52079.
Change-Id: I143d94d9313a265f11ca7befd254bdb150698834
Reviewed-on: https://go-review.googlesource.com/c/go/+/397485
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This unrolls the counter loop and simplifies the load/storing
of text/ciphertext and keys by using unaligned VSX memory
operations.
Performance delta on POWER9:
name old time/op new time/op delta
Encrypt 19.9ns ± 0% 14.9ns ± 0% -24.95%
Decrypt 19.8ns ± 0% 14.6ns ± 0% -26.12%
Change-Id: Iba98d5c1d88c6bead45bc04c97ae64bcb6fc9f21
Reviewed-on: https://go-review.googlesource.com/c/go/+/404354
Run-TryBot: Paul Murphy <murp@ibm.com>
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They are usually needed when internally linking gcc code
compiled with -Os. These are typically generated by ld
or gold, but are missing when linking internally.
The PPC64 ELF ABI describes a set of functions to save/restore
non-volatile, callee-save registers using R1/R0/R12:
_savegpr0_n: Save Rn-R31 relative to R1, save LR (in R0), return
_restgpr0_n: Restore Rn-R31 from R1, and return to saved LR
_savefpr_n: Save Fn-F31 based on R1, and save LR (in R0), return
_restfpr_n: Restore Fn-F31 from R1, and return to 16(R1)
_savegpr1_n: Save Rn-R31 based on R12, return
_restgpr1_n: Restore Rn-R31 based on R12, return
_savevr_m: Save VRm-VR31 based on R0, R12 is scratch, return
_restvr_m: Restore VRm-VR31 based on R0, R12 is scratch, return
m is a value 20<=m<=31
n is a value 14<=n<=31
Add several new functions similar to those suggested by the
PPC64 ELFv2 ABI. And update the linker to scan external relocs
for these calls, and redirect them to runtime.elf_<func>+offset
in runtime/asm_ppc64x.go.
Similarly, code which generates plt stubs is moved into
a dedicated function. This avoids an extra scan of relocs.
fixes#52336
Change-Id: I2f0f8b5b081a7b294dff5c92b4b1db8eba9a9400
Reviewed-on: https://go-review.googlesource.com/c/go/+/400796
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Avoid coercing the CR bit into a GPR register type argument, and
move the existing usage to CRx_y register types. And, update the
compiler usage to this. This transformation is done internally,
so it should not alter existing assembly code.
Likewise, add assembly tests for all optab entries of BC/BR. This
found some cases which were not possible to realize with handwritten
asm, or assemble to something very unexpected if generated by the
compiler. The following optab entries are removed, and the cases
simplified or removed:
{as: ABR, a3: C_SCON, a6: C_LR, type_: 18, size: 4}
This existed only to pass the BH hint to JMP (LR) from compiler
generated code. It cannot be matched with asm. Instead, add and
support 4-operand form "BC{,L} $BO, $BI, $BH, (LR)".
{as: ABR, a1: C_REG, a6: C_CTR, type_: 18, size: 4}
Could be used like "BR R1, (CTR)", but always compiles to bctr
irrespective of arg 1. Any usage should be rewritten as "JMP (CTR)",
or rewritten if this was not the intended behavior.
{as: ABR, a6: C_ZOREG, type_: 15, size: 8}:
{as: ABC, a6: C_ZOREG, type_: 15, size: 8},
Not reachable: 0(reg) is coerced to reg in assembler frontend.
{as: ABC, a2: C_REG, a6: C_LR, type_: 18, size: 4}
{as: ABC, a2: C_REG, a6: C_CTR, type_: 18, size: 4}
Only usable from the compiler. However, the compiler does not
generate this form today. Without a BO operand (usually in a1), it
is not clear what this should assemble to.
Change-Id: I1b5151f884a5877e4a610e6fd41261e8e64c5454
Reviewed-on: https://go-review.googlesource.com/c/go/+/357775
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This race is benign, but it still trips up the race detector, so turn
this into an atomic read.
Fixes#52739.
Change-Id: Ib53362286b456513c8c69d6d2d73c6c90ec095f3
Reviewed-on: https://go-review.googlesource.com/c/go/+/404475
Auto-Submit: Jason Donenfeld <Jason@zx2c4.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Jason Donenfeld <Jason@zx2c4.com>
There is a TODO comment that checking hidden visibility is
probably not the right thing to do. I think it is indeed not. Here
we are not referencing symbols across DSO boundaries, just within
an executable binary. The hidden visibility is for references from
another DSO. So it doesn't actually matter.
This makes cgo internal linking tests work on ARM64 with newer
GCC. It failed and was disabled due to a visibility hidden symbol
in libgcc.a that we didn't handle correctly. Specifically, the
problem is that we didn't mark visibility hidden symbol references
SXREF, which caused the loader to not think it is an unresolved
external symbol, which in turn made it not loading an object file
from the libgcc.a archive which contains the actual definition.
Later stage when we try to resolve the relocation, we couldn't
resolve it. Enable the test as it works now.
Fixes#39466.
Change-Id: I2759e3ae15e7a7a1ab9a820223b688ad894509ed
Reviewed-on: https://go-review.googlesource.com/c/go/+/404296
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
For #52535
Change-Id: I6798a8379163497ebebcdadf836b8569735c282b
Reviewed-on: https://go-review.googlesource.com/c/go/+/404496
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
The path building rework broke the enforcement of EKU nesting, this
change goes back to using the old method of enforcement, since it ends
up being more efficient to check the chains after building, rather than
at each step during path building.
Fixes#52659
Change-Id: Ic7c3717a10c33905677cf7bc4bc0a20f5f15f259
Reviewed-on: https://go-review.googlesource.com/c/go/+/403554
Reviewed-by: Damien Neil <dneil@google.com>
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Reviewed-by: Filippo Valsorda <valsorda@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
This is a port of the printer changes from CLs 402256 and 404397
in the syntax package to go/printer, with adjustments for the
different AST structure and test framework.
For #52559.
Change-Id: Ib7165979a4bd9df91f7f0f1c23b756a41ca31eb3
Reviewed-on: https://go-review.googlesource.com/c/go/+/404194
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Without this change, the type parameter list "[P T | T]" is printed
as "[P T | T,]" in an attempt to avoid an ambiguity. But the type
parameter P cannot syntactically combine with the constraint T | T
and make a new valid expression.
This change introduces a specific combinesWithName predicate that
reports whether a constraint expression can combine with a type
parameter name to form a new valid (value) expression.
Use combinesWithName to accurately determine when a comma is needed.
For #49482.
Change-Id: Id1d17a18f0c9af04495da7b0453e83798f32b04a
Reviewed-on: https://go-review.googlesource.com/c/go/+/404397
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
pthread_attr_init in glibc and musl libc already explicitly clear the
pthread_attr argument before setting it, see
https://sourceware.org/git/?p=glibc.git;a=blob;f=nptl/pthread_attr_init.c
and https://git.musl-libc.org/cgit/musl/log/src/thread/pthread_attr_init.c
It looks like pthread_attr_init has been implemented like this for a
long time in both libcs. The comment and memset in _cgo_sys_thread_start
probably stem from a time where not all libcs did the explicit memset in
pthread_attr_init.
Also, the memset in _cgo_sys_thread_start is not performed on all linux
platforms further indicating that this isn't an issue anymore.
Change-Id: I920148b5d24751195ced7af5bb7c52a7f8293259
Reviewed-on: https://go-review.googlesource.com/c/go/+/404275
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
I've made it return 0 following what the other DataStart implementation
do when they do not found the section.
Fixes#52718
Change-Id: I44292fed15bb21b9aba712ad15ed74e0ce231b5a
GitHub-Last-Rev: 081a35ebec
GitHub-Pull-Request: golang/go#52722
Reviewed-on: https://go-review.googlesource.com/c/go/+/404254
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Reviewed-by: David Chase <drchase@google.com>
Change-Id: Ia670d96ce4926c88d5d955d31dd89837b236a806
Reviewed-on: https://go-review.googlesource.com/c/go/+/403994
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: mzh <mzh@golangcn.org>
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CL402374 default regabi for riscv64 but TestStmtLines
keep fail trybot within a tiny overlimit (2.006% > 2%).
This CL update this threshold to 3% for riscv64 as an
acceptable temporary solution.
Change-Id: I5c6f37099a76bc048998eb95f49944dbe55492f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/404195
Run-TryBot: mzh <mzh@golangcn.org>
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
The tests don't work on big-endian systems. This change handles more
of the tests added in CL 381317 like the other existing tests.
Fixes#52723
Change-Id: Ie9e048e75dbe0b5aca61b51cd0c50d7d878ff6d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/404495
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Reviewed-by: Bryan Mills <bcmills@google.com>
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Add support for ppc64le assembler to p256. Most of the changes
are due to the change in nistec interfaces.
There is a change to p256MovCond based on a reviewer's comment.
LXVD2X replaces the use of LXVW4X in one function.
In addition, some refactoring has been done to this file to
reduce size and improve readability:
- Eliminate the use of defines to switch between V and VSX
registers. V regs can be used for instructions some that
previously required VSX.
- Use XXPERMDI instead of VPERM to swap bytes loaded and
stored with LXVD2X and STXVD2X instructions. This eliminates
the need to load the byte swap string into a vector.
- Use VMRGEW and VMRGOW instead of VPERM in the VMULT
macros. This also avoids the need to load byte strings to
swap the high and low values.
These changes reduce the file by about 10% and shows an
improvement of about 2% at runtime.
For #52182
Change-Id: Ic48050fc81bb273b7b4023e54864f4255dcc2a4f
Reviewed-on: https://go-review.googlesource.com/c/go/+/399755
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Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
Reviewed-by: Paul Murphy <murp@ibm.com>
Use the batched reader to chunk large Read calls on windows to a max of
1 << 31 - 1 bytes. This prevents an infinite loop when trying to read
more than 1 << 32 -1 bytes, due to how RtlGenRandom works.
This change moves the batched function from rand_unix.go to rand.go,
since it is now needed for both windows and unix implementations.
Fixes#52561
Change-Id: Id98fc4b1427e5cb2132762a445b2aed646a37473
Reviewed-on: https://go-review.googlesource.com/c/go/+/402257
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This will allow us to use crypto/internal/edwards25519/field from
crypto/ecdh to implement X25519, dropping the dependency on
golang.org/x/crypto/curve25519.
For #52182
Change-Id: I3be9debc6e13bf06944b98668f34313a975914d0
Reviewed-on: https://go-review.googlesource.com/c/go/+/402556
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
So it's reachable from crypto/ecdsa and the upcoming crypto/ecdh.
No code changes.
For #52182
Change-Id: Ie3216052f46c6ef7ec64d8b87a233a9c50c4b16a
Reviewed-on: https://go-review.googlesource.com/c/go/+/398674
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
The goal of this CL is to move the implementation to the new interface
with the least amount of changes possible. A follow-up CL will add
documentation and cleanup the assembly API.
* SetBytes does the element and point validity checks now, which were
previously implemented with big.Int.
* p256BaseMult would return (0:0:1) if the scalar was zero, which is
not a valid encoding of the point at infinity, but would get
flattened into (0,0) by p256PointToAffine. The rest of the code can
cope with any encoding with Z = 0, not just (t²:t³:0) with t != 0.
* CombinedMult was only avoiding the big.Int and affine conversion
overhead, which is now gone when operating entirely on nistec types,
so it can be implemented entirely in the crypto/elliptic wrapper,
and will automatically benefit all NIST curves.
* Scalar multiplication can't operate on arbitrarily sized scalars (it
was using big.Int to reduce them), which is fair enough. Changed the
nistec point interface to let ScalarMult and ScalarBaseMult reject
scalars. The crypto/elliptic wrapper still does the big.Int
reduction as needed.
The ppc64le/s390x assembly is disabled but retained to make review of
the change that will re-enable it easier.
Very small performance changes, which we will more then recoup when
crypto/ecdsa moves to invoking nistec directly.
name old time/op new time/op delta
pkg:crypto/elliptic goos:darwin goarch:arm64
ScalarBaseMult/P256-8 11.3µs ± 0% 11.4µs ± 0% +0.87% (p=0.000 n=8+10)
ScalarMult/P256-8 42.2µs ± 0% 42.2µs ± 0% ~ (p=0.825 n=10+9)
MarshalUnmarshal/P256/Uncompressed-8 801ns ± 1% 334ns ± 0% -58.29% (p=0.000 n=9+10)
MarshalUnmarshal/P256/Compressed-8 798ns ± 0% 334ns ± 0% -58.13% (p=0.000 n=10+10)
pkg:crypto/ecdsa goos:darwin goarch:arm64
Sign/P256-8 19.3µs ± 1% 19.4µs ± 0% +0.81% (p=0.003 n=8+9)
Verify/P256-8 56.6µs ± 0% 56.3µs ± 1% -0.48% (p=0.003 n=7+10)
GenerateKey/P256-8 11.9µs ± 0% 12.0µs ± 0% +1.22% (p=0.000 n=7+9)
For #52182
Change-Id: I0690a387e20018f38da55141c0d2659280b1a630
Reviewed-on: https://go-review.googlesource.com/c/go/+/395775
Reviewed-by: Fernando Lobato Meeser <felobato@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This enables publicationBarrier to be used as an intrinsic
on ppc64le/ppc64.
A call to this appears in test/bench/go1 BinaryTree17
Change-Id: If53528a82de99688270473cbe23472f37046ad65
Reviewed-on: https://go-review.googlesource.com/c/go/+/404056
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Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Move the aesCipherGCM struct definition into cipher_asm.go, it is
needed to compile this file, but isn't used on PPC64.
Also, generate a KeySizeError if the key length is not supported
as was done in the ppc64le implementation, and is done in the
generic code.
Change-Id: I025fc63d614b57dac65a18d1ac3dbeec99356292
Reviewed-on: https://go-review.googlesource.com/c/go/+/399254
Reviewed-by: Filippo Valsorda <valsorda@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Paul Murphy <murp@ibm.com>
CL 403935 changed the API for typecheck.DeclFunc, while CL 403851 was
submitted in the mean time and added another call to it.
Change-Id: I0de59f34197bf241c1dd42cffbab7a91f9eb825d
Reviewed-on: https://go-review.googlesource.com/c/go/+/404434
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
No longer needed. We now always directly construct TFUNC types when
needed.
Change-Id: I1bb286c08539cbf97e331824f0f5464b5fd9c873
Reviewed-on: https://go-review.googlesource.com/c/go/+/403936
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
This CL reworks DeclFunc so that we no longer need to internally
create an ir.FuncType. The next CL will remove ir.FuncType entirely.
Change-Id: I1c02b1b0c35221f2448d6d3ab35cb327a2da40e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/403935
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Currently all typecheck.DeclFunc callers already construct a fresh new
ir.FuncType, which is the last type expression kind that we represent
in IR.
This CL pushes all of the ir.FuncType construction down into
typecheck.DeclFunc. The next CL will simplify the internals so that we
can get rid of ir.FuncType altogether.
Change-Id: I221ed324f157eb38bb57c8886609f53cc4fd99fe
Reviewed-on: https://go-review.googlesource.com/c/go/+/403848
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Ident, ParenExpr, SelectorExpr, and StarExpr used to need to be
allowed as Ntypes for the old -G=0 type checker to represent some type
expressions before type checking, but now they're only ever used to
represent value expressions.
Change-Id: Idd4901ae6149ecc81acf1c52de3bc914d9e73418
Reviewed-on: https://go-review.googlesource.com/c/go/+/403844
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Type arguments are always type expressions, which are semantically
represented by Ntype.
In fact, the slice should probably just be []*types.Type instead, and
that would remove a lot of ir.TypeNode wrapping/unwrapping. But this
lead to issues within the stenciling code, and I can't immediately
make sense why.
Change-Id: Ib944db30e4d21284bc2d8d954b68ecb70b4205a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/403843
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
As with ir.CompLitExpr.Ntype, there's no need for
ir.TypeAssertExpr.Ntype in a pure-types2 world.
Change-Id: Iff48c98330f072fd6b26099e13a19c56adecdc42
Reviewed-on: https://go-review.googlesource.com/c/go/+/403842
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
It's no longer needed, since type expressions are all evaluated by
types2. We can just use Node.Type instead.
Change-Id: If523bd96f96fc4f2337a26f563f84e4f194e654a
Reviewed-on: https://go-review.googlesource.com/c/go/+/403841
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: David Chase <drchase@google.com>
All callers were already using TypeNode to get an Ntype anyway, so
just push the TypeNode constructor down into NewCompLitExpr. Prep
refactoring for next CL to remove the Ntype field.
Change-Id: I671935afca707aaab11d1c46e39902bd37a485ba
Reviewed-on: https://go-review.googlesource.com/c/go/+/403840
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
